From: Richard Jones Date: Sat, 18 Apr 2009 15:29:00 +0000 (+0100) Subject: Split out send and reply operations into separate callbacks. X-Git-Tag: 1.0.2~13 X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=commitdiff_plain;h=42a8baf3c9abc6f742671f37e9e24b607e5f9857 Split out send and reply operations into separate callbacks. --- diff --git a/src/generator.ml b/src/generator.ml index 05cfcb4..6df04a5 100755 --- a/src/generator.ml +++ b/src/generator.ml @@ -2139,11 +2139,17 @@ check_state (guestfs_h *g, const char *caller) fun (shortname, style, _, _, _, _, _) -> let name = "guestfs_" ^ shortname in - (* Generate the state struct which stores the high-level + (* Generate the context struct which stores the high-level * state between callback functions. *) - pr "struct %s_state {\n" shortname; - pr " int cb_state;\n"; + pr "struct %s_ctx {\n" shortname; + pr " /* This flag is set by the callbacks, so we know we've done\n"; + pr " * the callbacks as expected, and in the right sequence.\n"; + pr " * 0 = not called, 1 = send called,\n"; + pr " * 2.. = send_file called,\n"; + pr " * 1000 = reply called.\n"; + pr " */\n"; + pr " int cb_sequence;\n"; pr " struct guestfs_message_header hdr;\n"; pr " struct guestfs_message_error err;\n"; (match fst style with @@ -2161,19 +2167,32 @@ check_state (guestfs_h *g, const char *caller) pr "};\n"; pr "\n"; - (* Generate the callback function. *) - pr "static void %s_cb (guestfs_h *g, void *data, XDR *xdr)\n" shortname; + (* Generate the send callback function. *) + pr "static void %s_send_cb (guestfs_h *g, void *data)\n" shortname; pr "{\n"; pr " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n"; - pr " struct %s_state *state = (struct %s_state *) data;\n" shortname shortname; + pr " struct %s_ctx *ctx = (struct %s_ctx *) data;\n" shortname shortname; pr "\n"; - pr " if (!xdr_guestfs_message_header (xdr, &state->hdr)) {\n"; - pr " error (g, \"%s: failed to parse reply header\");\n" name; + pr " guestfs__switch_to_receiving (g);\n"; + pr " ctx->cb_sequence = 1;\n"; + pr " ml->main_loop_quit (ml, g);\n"; + pr "}\n"; + pr "\n"; + + (* Generate the reply callback function. *) + pr "static void %s_reply_cb (guestfs_h *g, void *data, XDR *xdr)\n" shortname; + pr "{\n"; + pr " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n"; + pr " struct %s_ctx *ctx = (struct %s_ctx *) data;\n" shortname shortname; + pr "\n"; + pr " if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {\n"; + pr " error (g, \"%%s: failed to parse reply header\", \"%s\");\n" name; pr " return;\n"; pr " }\n"; - pr " if (state->hdr.status == GUESTFS_STATUS_ERROR) {\n"; - pr " if (!xdr_guestfs_message_error (xdr, &state->err)) {\n"; - pr " error (g, \"%s: failed to parse reply error\");\n" name; + pr " if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {\n"; + pr " if (!xdr_guestfs_message_error (xdr, &ctx->err)) {\n"; + pr " error (g, \"%%s: failed to parse reply error\", \"%s\");\n" + name; pr " return;\n"; pr " }\n"; pr " goto done;\n"; @@ -2189,14 +2208,14 @@ check_state (guestfs_h *g, const char *caller) | RPVList _ | RVGList _ | RLVList _ | RStat _ | RStatVFS _ | RHashtable _ -> - pr " if (!xdr_%s_ret (xdr, &state->ret)) {\n" name; - pr " error (g, \"%s: failed to parse reply\");\n" name; + pr " if (!xdr_%s_ret (xdr, &ctx->ret)) {\n" name; + pr " error (g, \"%%s: failed to parse reply\", \"%s\");\n" name; pr " return;\n"; pr " }\n"; ); pr " done:\n"; - pr " state->cb_state = 1;\n"; + pr " ctx->cb_sequence = 1000;\n"; pr " ml->main_loop_quit (ml, g);\n"; pr "}\n\n"; @@ -2222,13 +2241,13 @@ check_state (guestfs_h *g, const char *caller) | _ -> pr " struct %s_args args;\n" name ); - pr " struct %s_state state;\n" shortname; + pr " struct %s_ctx ctx;\n" shortname; pr " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n"; pr " int serial;\n"; pr "\n"; pr " if (check_state (g, \"%s\") == -1) return %s;\n" name error_code; pr "\n"; - pr " memset (&state, 0, sizeof state);\n"; + pr " memset (&ctx, 0, sizeof ctx);\n"; pr "\n"; (* Dispatch the main header and arguments. *) @@ -2254,13 +2273,24 @@ check_state (guestfs_h *g, const char *caller) ) args; pr " serial = guestfs__send (g, GUESTFS_PROC_%s,\n" (String.uppercase shortname); - pr " (xdrproc_t) xdr_%s_args, (char *) &args);\n" + pr " (xdrproc_t) xdr_%s_args, (char *) &args);\n" name; ); pr " if (serial == -1)\n"; pr " return %s;\n" error_code; pr "\n"; + (* Send the request. *) + pr " ctx.cb_sequence = 0;\n"; + pr " guestfs_set_send_callback (g, %s_send_cb, &ctx);\n" shortname; + pr " (void) ml->main_loop_run (ml, g);\n"; + pr " guestfs_set_send_callback (g, NULL, NULL);\n"; + pr " if (ctx.cb_sequence != 1) {\n"; + pr " error (g, \"%%s send failed, see earlier error messages\", \"%s\");\n" name; + pr " return %s;\n" error_code; + pr " }\n"; + pr "\n"; + (* Send any additional files requested. *) List.iter ( function @@ -2272,23 +2302,23 @@ check_state (guestfs_h *g, const char *caller) ) (snd style); (* Wait for the reply from the remote end. *) - pr " state.cb_state = 0;\n"; - pr " guestfs_set_reply_callback (g, %s_cb, &state);\n" shortname; + pr " ctx.cb_sequence = 0;\n"; + pr " guestfs_set_reply_callback (g, %s_reply_cb, &ctx);\n" shortname; pr " (void) ml->main_loop_run (ml, g);\n"; pr " guestfs_set_reply_callback (g, NULL, NULL);\n"; - pr " if (!state.cb_state) {\n"; - pr " error (g, \"%s failed, see earlier error messages\");\n" name; + pr " if (ctx.cb_sequence != 1000) {\n"; + pr " error (g, \"%%s reply failed, see earlier error messages\", \"%s\");\n" name; pr " return %s;\n" error_code; pr " }\n"; pr "\n"; - pr " if (check_reply_header (g, &state.hdr, GUESTFS_PROC_%s, serial) == -1)\n" + pr " if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_%s, serial) == -1)\n" (String.uppercase shortname); pr " return %s;\n" error_code; pr "\n"; - pr " if (state.hdr.status == GUESTFS_STATUS_ERROR) {\n"; - pr " error (g, \"%%s\", state.err.error_message);\n"; + pr " if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {\n"; + pr " error (g, \"%%s\", ctx.err.error_message);\n"; pr " return %s;\n" error_code; pr " }\n"; pr "\n"; @@ -2306,26 +2336,26 @@ check_state (guestfs_h *g, const char *caller) (match fst style with | RErr -> pr " return 0;\n" | RInt n | RInt64 n | RBool n -> - pr " return state.ret.%s;\n" n + pr " return ctx.ret.%s;\n" n | RConstString _ -> failwithf "RConstString cannot be returned from a daemon function" | RString n -> - pr " return state.ret.%s; /* caller will free */\n" n + pr " return ctx.ret.%s; /* caller will free */\n" n | RStringList n | RHashtable n -> pr " /* caller will free this, but we need to add a NULL entry */\n"; - pr " state.ret.%s.%s_val =\n" n n; - pr " safe_realloc (g, state.ret.%s.%s_val,\n" n n; - pr " sizeof (char *) * (state.ret.%s.%s_len + 1));\n" + pr " ctx.ret.%s.%s_val =\n" n n; + pr " safe_realloc (g, ctx.ret.%s.%s_val,\n" n n; + pr " sizeof (char *) * (ctx.ret.%s.%s_len + 1));\n" n n; - pr " state.ret.%s.%s_val[state.ret.%s.%s_len] = NULL;\n" n n n n; - pr " return state.ret.%s.%s_val;\n" n n + pr " ctx.ret.%s.%s_val[ctx.ret.%s.%s_len] = NULL;\n" n n n n; + pr " return ctx.ret.%s.%s_val;\n" n n | RIntBool _ -> pr " /* caller with free this */\n"; - pr " return safe_memdup (g, &state.ret, sizeof (state.ret));\n" + pr " return safe_memdup (g, &ctx.ret, sizeof (ctx.ret));\n" | RPVList n | RVGList n | RLVList n | RStat n | RStatVFS n -> pr " /* caller will free this */\n"; - pr " return safe_memdup (g, &state.ret.%s, sizeof (state.ret.%s));\n" n n + pr " return safe_memdup (g, &ctx.ret.%s, sizeof (ctx.ret.%s));\n" n n ); pr "}\n\n" diff --git a/src/guestfs-actions.c b/src/guestfs-actions.c index e477a75..e9de5d6 100644 --- a/src/guestfs-actions.c +++ b/src/guestfs-actions.c @@ -83,30 +83,46 @@ check_state (guestfs_h *g, const char *caller) return 0; } -struct mount_state { - int cb_state; +struct mount_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void mount_cb (guestfs_h *g, void *data, XDR *xdr) +static void mount_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct mount_state *state = (struct mount_state *) data; + struct mount_ctx *ctx = (struct mount_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_mount: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void mount_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct mount_ctx *ctx = (struct mount_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_mount"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_mount: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_mount"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -115,126 +131,176 @@ int guestfs_mount (guestfs_h *g, const char *mountpoint) { struct guestfs_mount_args args; - struct mount_state state; + struct mount_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_mount") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; args.mountpoint = (char *) mountpoint; serial = guestfs__send (g, GUESTFS_PROC_MOUNT, - (xdrproc_t) xdr_guestfs_mount_args, (char *) &args); + (xdrproc_t) xdr_guestfs_mount_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, mount_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, mount_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_mount"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, mount_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_mount failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_mount"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_MOUNT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_MOUNT, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct sync_state { - int cb_state; +struct sync_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void sync_cb (guestfs_h *g, void *data, XDR *xdr) +static void sync_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct sync_state *state = (struct sync_state *) data; + struct sync_ctx *ctx = (struct sync_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_sync: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void sync_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct sync_ctx *ctx = (struct sync_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_sync"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_sync: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_sync"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_sync (guestfs_h *g) { - struct sync_state state; + struct sync_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_sync") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_SYNC, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, sync_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, sync_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_sync"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, sync_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_sync failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_sync"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_SYNC, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_SYNC, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct touch_state { - int cb_state; +struct touch_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void touch_cb (guestfs_h *g, void *data, XDR *xdr) +static void touch_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct touch_state *state = (struct touch_state *) data; + struct touch_ctx *ctx = (struct touch_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_touch: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void touch_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct touch_ctx *ctx = (struct touch_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_touch"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_touch: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_touch"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -242,69 +308,94 @@ int guestfs_touch (guestfs_h *g, const char *path) { struct guestfs_touch_args args; - struct touch_state state; + struct touch_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_touch") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_TOUCH, - (xdrproc_t) xdr_guestfs_touch_args, (char *) &args); + (xdrproc_t) xdr_guestfs_touch_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, touch_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, touch_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_touch"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, touch_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_touch failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_touch"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_TOUCH, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_TOUCH, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct cat_state { - int cb_state; +struct cat_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_cat_ret ret; }; -static void cat_cb (guestfs_h *g, void *data, XDR *xdr) +static void cat_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct cat_state *state = (struct cat_state *) data; + struct cat_ctx *ctx = (struct cat_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_cat: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void cat_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct cat_ctx *ctx = (struct cat_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_cat"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_cat: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_cat"); return; } goto done; } - if (!xdr_guestfs_cat_ret (xdr, &state->ret)) { - error (g, "guestfs_cat: failed to parse reply"); + if (!xdr_guestfs_cat_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_cat"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -312,69 +403,94 @@ char *guestfs_cat (guestfs_h *g, const char *path) { struct guestfs_cat_args args; - struct cat_state state; + struct cat_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_cat") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_CAT, - (xdrproc_t) xdr_guestfs_cat_args, (char *) &args); + (xdrproc_t) xdr_guestfs_cat_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, cat_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, cat_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_cat"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, cat_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_cat failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_cat"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_CAT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_CAT, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } - return state.ret.content; /* caller will free */ + return ctx.ret.content; /* caller will free */ } -struct ll_state { - int cb_state; +struct ll_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_ll_ret ret; }; -static void ll_cb (guestfs_h *g, void *data, XDR *xdr) +static void ll_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct ll_state *state = (struct ll_state *) data; + struct ll_ctx *ctx = (struct ll_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_ll: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void ll_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct ll_ctx *ctx = (struct ll_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_ll"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_ll: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_ll"); return; } goto done; } - if (!xdr_guestfs_ll_ret (xdr, &state->ret)) { - error (g, "guestfs_ll: failed to parse reply"); + if (!xdr_guestfs_ll_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_ll"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -382,69 +498,94 @@ char *guestfs_ll (guestfs_h *g, const char *directory) { struct guestfs_ll_args args; - struct ll_state state; + struct ll_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_ll") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.directory = (char *) directory; serial = guestfs__send (g, GUESTFS_PROC_LL, - (xdrproc_t) xdr_guestfs_ll_args, (char *) &args); + (xdrproc_t) xdr_guestfs_ll_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, ll_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, ll_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_ll"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, ll_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_ll failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_ll"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LL, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } - return state.ret.listing; /* caller will free */ + return ctx.ret.listing; /* caller will free */ } -struct ls_state { - int cb_state; +struct ls_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_ls_ret ret; }; -static void ls_cb (guestfs_h *g, void *data, XDR *xdr) +static void ls_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct ls_state *state = (struct ls_state *) data; + struct ls_ctx *ctx = (struct ls_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_ls: failed to parse reply header"); +static void ls_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct ls_ctx *ctx = (struct ls_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_ls"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_ls: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_ls"); return; } goto done; } - if (!xdr_guestfs_ls_ret (xdr, &state->ret)) { - error (g, "guestfs_ls: failed to parse reply"); + if (!xdr_guestfs_ls_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_ls"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -452,630 +593,855 @@ char **guestfs_ls (guestfs_h *g, const char *directory) { struct guestfs_ls_args args; - struct ls_state state; + struct ls_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_ls") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.directory = (char *) directory; serial = guestfs__send (g, GUESTFS_PROC_LS, - (xdrproc_t) xdr_guestfs_ls_args, (char *) &args); + (xdrproc_t) xdr_guestfs_ls_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, ls_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, ls_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_ls"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, ls_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_ls failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_ls"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.listing.listing_val = - safe_realloc (g, state.ret.listing.listing_val, - sizeof (char *) * (state.ret.listing.listing_len + 1)); - state.ret.listing.listing_val[state.ret.listing.listing_len] = NULL; - return state.ret.listing.listing_val; -} - -struct list_devices_state { - int cb_state; + ctx.ret.listing.listing_val = + safe_realloc (g, ctx.ret.listing.listing_val, + sizeof (char *) * (ctx.ret.listing.listing_len + 1)); + ctx.ret.listing.listing_val[ctx.ret.listing.listing_len] = NULL; + return ctx.ret.listing.listing_val; +} + +struct list_devices_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_list_devices_ret ret; }; -static void list_devices_cb (guestfs_h *g, void *data, XDR *xdr) +static void list_devices_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct list_devices_ctx *ctx = (struct list_devices_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void list_devices_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct list_devices_state *state = (struct list_devices_state *) data; + struct list_devices_ctx *ctx = (struct list_devices_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_list_devices: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_list_devices"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_list_devices: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_list_devices"); return; } goto done; } - if (!xdr_guestfs_list_devices_ret (xdr, &state->ret)) { - error (g, "guestfs_list_devices: failed to parse reply"); + if (!xdr_guestfs_list_devices_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_list_devices"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_list_devices (guestfs_h *g) { - struct list_devices_state state; + struct list_devices_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_list_devices") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_LIST_DEVICES, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, list_devices_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, list_devices_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_list_devices"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, list_devices_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_list_devices failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_list_devices"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LIST_DEVICES, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LIST_DEVICES, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.devices.devices_val = - safe_realloc (g, state.ret.devices.devices_val, - sizeof (char *) * (state.ret.devices.devices_len + 1)); - state.ret.devices.devices_val[state.ret.devices.devices_len] = NULL; - return state.ret.devices.devices_val; -} - -struct list_partitions_state { - int cb_state; + ctx.ret.devices.devices_val = + safe_realloc (g, ctx.ret.devices.devices_val, + sizeof (char *) * (ctx.ret.devices.devices_len + 1)); + ctx.ret.devices.devices_val[ctx.ret.devices.devices_len] = NULL; + return ctx.ret.devices.devices_val; +} + +struct list_partitions_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_list_partitions_ret ret; }; -static void list_partitions_cb (guestfs_h *g, void *data, XDR *xdr) +static void list_partitions_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct list_partitions_ctx *ctx = (struct list_partitions_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void list_partitions_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct list_partitions_state *state = (struct list_partitions_state *) data; + struct list_partitions_ctx *ctx = (struct list_partitions_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_list_partitions: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_list_partitions"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_list_partitions: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_list_partitions"); return; } goto done; } - if (!xdr_guestfs_list_partitions_ret (xdr, &state->ret)) { - error (g, "guestfs_list_partitions: failed to parse reply"); + if (!xdr_guestfs_list_partitions_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_list_partitions"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_list_partitions (guestfs_h *g) { - struct list_partitions_state state; + struct list_partitions_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_list_partitions") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_LIST_PARTITIONS, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, list_partitions_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, list_partitions_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_list_partitions"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, list_partitions_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_list_partitions failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_list_partitions"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LIST_PARTITIONS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LIST_PARTITIONS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.partitions.partitions_val = - safe_realloc (g, state.ret.partitions.partitions_val, - sizeof (char *) * (state.ret.partitions.partitions_len + 1)); - state.ret.partitions.partitions_val[state.ret.partitions.partitions_len] = NULL; - return state.ret.partitions.partitions_val; -} - -struct pvs_state { - int cb_state; + ctx.ret.partitions.partitions_val = + safe_realloc (g, ctx.ret.partitions.partitions_val, + sizeof (char *) * (ctx.ret.partitions.partitions_len + 1)); + ctx.ret.partitions.partitions_val[ctx.ret.partitions.partitions_len] = NULL; + return ctx.ret.partitions.partitions_val; +} + +struct pvs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_pvs_ret ret; }; -static void pvs_cb (guestfs_h *g, void *data, XDR *xdr) +static void pvs_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct pvs_ctx *ctx = (struct pvs_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void pvs_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct pvs_state *state = (struct pvs_state *) data; + struct pvs_ctx *ctx = (struct pvs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_pvs: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_pvs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_pvs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_pvs"); return; } goto done; } - if (!xdr_guestfs_pvs_ret (xdr, &state->ret)) { - error (g, "guestfs_pvs: failed to parse reply"); + if (!xdr_guestfs_pvs_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_pvs"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_pvs (guestfs_h *g) { - struct pvs_state state; + struct pvs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_pvs") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_PVS, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, pvs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, pvs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_pvs"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, pvs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_pvs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_pvs"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_PVS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_PVS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.physvols.physvols_val = - safe_realloc (g, state.ret.physvols.physvols_val, - sizeof (char *) * (state.ret.physvols.physvols_len + 1)); - state.ret.physvols.physvols_val[state.ret.physvols.physvols_len] = NULL; - return state.ret.physvols.physvols_val; -} - -struct vgs_state { - int cb_state; + ctx.ret.physvols.physvols_val = + safe_realloc (g, ctx.ret.physvols.physvols_val, + sizeof (char *) * (ctx.ret.physvols.physvols_len + 1)); + ctx.ret.physvols.physvols_val[ctx.ret.physvols.physvols_len] = NULL; + return ctx.ret.physvols.physvols_val; +} + +struct vgs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_vgs_ret ret; }; -static void vgs_cb (guestfs_h *g, void *data, XDR *xdr) +static void vgs_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct vgs_state *state = (struct vgs_state *) data; + struct vgs_ctx *ctx = (struct vgs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_vgs: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void vgs_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct vgs_ctx *ctx = (struct vgs_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_vgs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_vgs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_vgs"); return; } goto done; } - if (!xdr_guestfs_vgs_ret (xdr, &state->ret)) { - error (g, "guestfs_vgs: failed to parse reply"); + if (!xdr_guestfs_vgs_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_vgs"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_vgs (guestfs_h *g) { - struct vgs_state state; + struct vgs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_vgs") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_VGS, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, vgs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, vgs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_vgs"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, vgs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_vgs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_vgs"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_VGS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_VGS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.volgroups.volgroups_val = - safe_realloc (g, state.ret.volgroups.volgroups_val, - sizeof (char *) * (state.ret.volgroups.volgroups_len + 1)); - state.ret.volgroups.volgroups_val[state.ret.volgroups.volgroups_len] = NULL; - return state.ret.volgroups.volgroups_val; -} - -struct lvs_state { - int cb_state; + ctx.ret.volgroups.volgroups_val = + safe_realloc (g, ctx.ret.volgroups.volgroups_val, + sizeof (char *) * (ctx.ret.volgroups.volgroups_len + 1)); + ctx.ret.volgroups.volgroups_val[ctx.ret.volgroups.volgroups_len] = NULL; + return ctx.ret.volgroups.volgroups_val; +} + +struct lvs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_lvs_ret ret; }; -static void lvs_cb (guestfs_h *g, void *data, XDR *xdr) +static void lvs_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct lvs_state *state = (struct lvs_state *) data; + struct lvs_ctx *ctx = (struct lvs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_lvs: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void lvs_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct lvs_ctx *ctx = (struct lvs_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_lvs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_lvs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_lvs"); return; } goto done; } - if (!xdr_guestfs_lvs_ret (xdr, &state->ret)) { - error (g, "guestfs_lvs: failed to parse reply"); + if (!xdr_guestfs_lvs_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_lvs"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_lvs (guestfs_h *g) { - struct lvs_state state; + struct lvs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_lvs") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_LVS, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, lvs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, lvs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_lvs"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, lvs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_lvs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_lvs"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LVS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LVS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.logvols.logvols_val = - safe_realloc (g, state.ret.logvols.logvols_val, - sizeof (char *) * (state.ret.logvols.logvols_len + 1)); - state.ret.logvols.logvols_val[state.ret.logvols.logvols_len] = NULL; - return state.ret.logvols.logvols_val; -} - -struct pvs_full_state { - int cb_state; + ctx.ret.logvols.logvols_val = + safe_realloc (g, ctx.ret.logvols.logvols_val, + sizeof (char *) * (ctx.ret.logvols.logvols_len + 1)); + ctx.ret.logvols.logvols_val[ctx.ret.logvols.logvols_len] = NULL; + return ctx.ret.logvols.logvols_val; +} + +struct pvs_full_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_pvs_full_ret ret; }; -static void pvs_full_cb (guestfs_h *g, void *data, XDR *xdr) +static void pvs_full_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct pvs_full_state *state = (struct pvs_full_state *) data; + struct pvs_full_ctx *ctx = (struct pvs_full_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_pvs_full: failed to parse reply header"); +static void pvs_full_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct pvs_full_ctx *ctx = (struct pvs_full_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_pvs_full"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_pvs_full: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_pvs_full"); return; } goto done; } - if (!xdr_guestfs_pvs_full_ret (xdr, &state->ret)) { - error (g, "guestfs_pvs_full: failed to parse reply"); + if (!xdr_guestfs_pvs_full_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_pvs_full"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } struct guestfs_lvm_pv_list *guestfs_pvs_full (guestfs_h *g) { - struct pvs_full_state state; + struct pvs_full_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_pvs_full") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_PVS_FULL, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, pvs_full_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, pvs_full_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_pvs_full"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, pvs_full_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_pvs_full failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_pvs_full"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_PVS_FULL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_PVS_FULL, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.physvols, sizeof (state.ret.physvols)); + return safe_memdup (g, &ctx.ret.physvols, sizeof (ctx.ret.physvols)); } -struct vgs_full_state { - int cb_state; +struct vgs_full_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_vgs_full_ret ret; }; -static void vgs_full_cb (guestfs_h *g, void *data, XDR *xdr) +static void vgs_full_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct vgs_full_ctx *ctx = (struct vgs_full_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void vgs_full_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct vgs_full_state *state = (struct vgs_full_state *) data; + struct vgs_full_ctx *ctx = (struct vgs_full_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_vgs_full: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_vgs_full"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_vgs_full: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_vgs_full"); return; } goto done; } - if (!xdr_guestfs_vgs_full_ret (xdr, &state->ret)) { - error (g, "guestfs_vgs_full: failed to parse reply"); + if (!xdr_guestfs_vgs_full_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_vgs_full"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } struct guestfs_lvm_vg_list *guestfs_vgs_full (guestfs_h *g) { - struct vgs_full_state state; + struct vgs_full_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_vgs_full") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_VGS_FULL, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, vgs_full_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, vgs_full_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_vgs_full"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, vgs_full_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_vgs_full failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_vgs_full"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_VGS_FULL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_VGS_FULL, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.volgroups, sizeof (state.ret.volgroups)); + return safe_memdup (g, &ctx.ret.volgroups, sizeof (ctx.ret.volgroups)); } -struct lvs_full_state { - int cb_state; +struct lvs_full_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_lvs_full_ret ret; }; -static void lvs_full_cb (guestfs_h *g, void *data, XDR *xdr) +static void lvs_full_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct lvs_full_ctx *ctx = (struct lvs_full_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void lvs_full_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct lvs_full_state *state = (struct lvs_full_state *) data; + struct lvs_full_ctx *ctx = (struct lvs_full_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_lvs_full: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_lvs_full"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_lvs_full: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_lvs_full"); return; } goto done; } - if (!xdr_guestfs_lvs_full_ret (xdr, &state->ret)) { - error (g, "guestfs_lvs_full: failed to parse reply"); + if (!xdr_guestfs_lvs_full_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_lvs_full"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } struct guestfs_lvm_lv_list *guestfs_lvs_full (guestfs_h *g) { - struct lvs_full_state state; + struct lvs_full_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_lvs_full") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_LVS_FULL, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, lvs_full_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, lvs_full_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_lvs_full"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, lvs_full_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_lvs_full failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_lvs_full"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LVS_FULL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LVS_FULL, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.logvols, sizeof (state.ret.logvols)); + return safe_memdup (g, &ctx.ret.logvols, sizeof (ctx.ret.logvols)); } -struct read_lines_state { - int cb_state; +struct read_lines_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_read_lines_ret ret; }; -static void read_lines_cb (guestfs_h *g, void *data, XDR *xdr) +static void read_lines_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct read_lines_ctx *ctx = (struct read_lines_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void read_lines_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct read_lines_state *state = (struct read_lines_state *) data; + struct read_lines_ctx *ctx = (struct read_lines_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_read_lines: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_read_lines"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_read_lines: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_read_lines"); return; } goto done; } - if (!xdr_guestfs_read_lines_ret (xdr, &state->ret)) { - error (g, "guestfs_read_lines: failed to parse reply"); + if (!xdr_guestfs_read_lines_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_read_lines"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1083,69 +1449,94 @@ char **guestfs_read_lines (guestfs_h *g, const char *path) { struct guestfs_read_lines_args args; - struct read_lines_state state; + struct read_lines_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_read_lines") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_READ_LINES, - (xdrproc_t) xdr_guestfs_read_lines_args, (char *) &args); + (xdrproc_t) xdr_guestfs_read_lines_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, read_lines_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, read_lines_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_read_lines"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, read_lines_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_read_lines failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_read_lines"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_READ_LINES, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_READ_LINES, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.lines.lines_val = - safe_realloc (g, state.ret.lines.lines_val, - sizeof (char *) * (state.ret.lines.lines_len + 1)); - state.ret.lines.lines_val[state.ret.lines.lines_len] = NULL; - return state.ret.lines.lines_val; -} - -struct aug_init_state { - int cb_state; + ctx.ret.lines.lines_val = + safe_realloc (g, ctx.ret.lines.lines_val, + sizeof (char *) * (ctx.ret.lines.lines_len + 1)); + ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL; + return ctx.ret.lines.lines_val; +} + +struct aug_init_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_init_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_init_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_init_ctx *ctx = (struct aug_init_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_init_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_init_state *state = (struct aug_init_state *) data; + struct aug_init_ctx *ctx = (struct aug_init_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_init: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_init"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_init: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_init"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1154,131 +1545,181 @@ int guestfs_aug_init (guestfs_h *g, int flags) { struct guestfs_aug_init_args args; - struct aug_init_state state; + struct aug_init_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_init") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.root = (char *) root; args.flags = flags; serial = guestfs__send (g, GUESTFS_PROC_AUG_INIT, - (xdrproc_t) xdr_guestfs_aug_init_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_init_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_init_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_init_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_init"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_init_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_init failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_init"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_INIT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_INIT, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_close_state { - int cb_state; +struct aug_close_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_close_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_close_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_close_state *state = (struct aug_close_state *) data; + struct aug_close_ctx *ctx = (struct aug_close_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_close: failed to parse reply header"); +static void aug_close_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_close_ctx *ctx = (struct aug_close_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_close"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_close: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_close"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_aug_close (guestfs_h *g) { - struct aug_close_state state; + struct aug_close_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_close") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_AUG_CLOSE, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_close_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_close_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_close"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_close_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_close failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_close"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_CLOSE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_CLOSE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_defvar_state { - int cb_state; +struct aug_defvar_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_defvar_ret ret; }; -static void aug_defvar_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_defvar_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_defvar_ctx *ctx = (struct aug_defvar_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_defvar_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_defvar_state *state = (struct aug_defvar_state *) data; + struct aug_defvar_ctx *ctx = (struct aug_defvar_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_defvar: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_defvar"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_defvar: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_defvar"); return; } goto done; } - if (!xdr_guestfs_aug_defvar_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_defvar: failed to parse reply"); + if (!xdr_guestfs_aug_defvar_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_defvar"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1287,70 +1728,95 @@ int guestfs_aug_defvar (guestfs_h *g, const char *expr) { struct guestfs_aug_defvar_args args; - struct aug_defvar_state state; + struct aug_defvar_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_defvar") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.name = (char *) name; args.expr = expr ? (char **) &expr : NULL; serial = guestfs__send (g, GUESTFS_PROC_AUG_DEFVAR, - (xdrproc_t) xdr_guestfs_aug_defvar_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_defvar_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_defvar_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_defvar_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_defvar"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_defvar_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_defvar failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_defvar"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_DEFVAR, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_DEFVAR, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.nrnodes; + return ctx.ret.nrnodes; } -struct aug_defnode_state { - int cb_state; +struct aug_defnode_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_defnode_ret ret; }; -static void aug_defnode_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_defnode_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_defnode_ctx *ctx = (struct aug_defnode_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_defnode_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_defnode_state *state = (struct aug_defnode_state *) data; + struct aug_defnode_ctx *ctx = (struct aug_defnode_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_defnode: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_defnode"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_defnode: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_defnode"); return; } goto done; } - if (!xdr_guestfs_aug_defnode_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_defnode: failed to parse reply"); + if (!xdr_guestfs_aug_defnode_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_defnode"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1360,72 +1826,97 @@ struct guestfs_int_bool *guestfs_aug_defnode (guestfs_h *g, const char *val) { struct guestfs_aug_defnode_args args; - struct aug_defnode_state state; + struct aug_defnode_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_defnode") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.name = (char *) name; args.expr = (char *) expr; args.val = (char *) val; serial = guestfs__send (g, GUESTFS_PROC_AUG_DEFNODE, - (xdrproc_t) xdr_guestfs_aug_defnode_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_defnode_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_defnode_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_defnode_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_defnode"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_defnode_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_defnode failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_defnode"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_DEFNODE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_DEFNODE, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller with free this */ - return safe_memdup (g, &state.ret, sizeof (state.ret)); + return safe_memdup (g, &ctx.ret, sizeof (ctx.ret)); } -struct aug_get_state { - int cb_state; +struct aug_get_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_get_ret ret; }; -static void aug_get_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_get_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_get_ctx *ctx = (struct aug_get_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_get_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_get_state *state = (struct aug_get_state *) data; + struct aug_get_ctx *ctx = (struct aug_get_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_get: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_get"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_get: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_get"); return; } goto done; } - if (!xdr_guestfs_aug_get_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_get: failed to parse reply"); + if (!xdr_guestfs_aug_get_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_get"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1433,64 +1924,89 @@ char *guestfs_aug_get (guestfs_h *g, const char *path) { struct guestfs_aug_get_args args; - struct aug_get_state state; + struct aug_get_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_get") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_AUG_GET, - (xdrproc_t) xdr_guestfs_aug_get_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_get_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_get_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_get_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_get"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_get_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_get failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_get"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_GET, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_GET, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } - return state.ret.val; /* caller will free */ + return ctx.ret.val; /* caller will free */ } -struct aug_set_state { - int cb_state; +struct aug_set_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_set_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_set_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_set_ctx *ctx = (struct aug_set_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_set_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_set_state *state = (struct aug_set_state *) data; + struct aug_set_ctx *ctx = (struct aug_set_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_set: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_set"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_set: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_set"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1499,65 +2015,90 @@ int guestfs_aug_set (guestfs_h *g, const char *val) { struct guestfs_aug_set_args args; - struct aug_set_state state; + struct aug_set_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_set") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; args.val = (char *) val; serial = guestfs__send (g, GUESTFS_PROC_AUG_SET, - (xdrproc_t) xdr_guestfs_aug_set_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_set_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_set_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_set_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_set"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_set_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_set failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_set"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_SET, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_SET, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_insert_state { - int cb_state; +struct aug_insert_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_insert_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_insert_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_insert_ctx *ctx = (struct aug_insert_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_insert_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_insert_state *state = (struct aug_insert_state *) data; + struct aug_insert_ctx *ctx = (struct aug_insert_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_insert: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_insert"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_insert: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_insert"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1567,71 +2108,96 @@ int guestfs_aug_insert (guestfs_h *g, int before) { struct guestfs_aug_insert_args args; - struct aug_insert_state state; + struct aug_insert_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_insert") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; args.label = (char *) label; args.before = before; serial = guestfs__send (g, GUESTFS_PROC_AUG_INSERT, - (xdrproc_t) xdr_guestfs_aug_insert_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_insert_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_insert_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_insert_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_insert"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_insert_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_insert failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_insert"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_INSERT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_INSERT, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_rm_state { - int cb_state; +struct aug_rm_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_rm_ret ret; }; -static void aug_rm_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_rm_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_rm_state *state = (struct aug_rm_state *) data; + struct aug_rm_ctx *ctx = (struct aug_rm_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_rm: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_rm_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_rm_ctx *ctx = (struct aug_rm_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_rm"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_rm: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_rm"); return; } goto done; } - if (!xdr_guestfs_aug_rm_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_rm: failed to parse reply"); + if (!xdr_guestfs_aug_rm_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_rm"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1639,64 +2205,89 @@ int guestfs_aug_rm (guestfs_h *g, const char *path) { struct guestfs_aug_rm_args args; - struct aug_rm_state state; + struct aug_rm_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_rm") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_AUG_RM, - (xdrproc_t) xdr_guestfs_aug_rm_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_rm_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_rm_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_rm_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_rm"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_rm_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_rm failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_rm"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_RM, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_RM, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.nrnodes; + return ctx.ret.nrnodes; } -struct aug_mv_state { - int cb_state; +struct aug_mv_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_mv_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_mv_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_mv_ctx *ctx = (struct aug_mv_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_mv_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_mv_state *state = (struct aug_mv_state *) data; + struct aug_mv_ctx *ctx = (struct aug_mv_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_mv: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_mv"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_mv: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_mv"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1705,70 +2296,95 @@ int guestfs_aug_mv (guestfs_h *g, const char *dest) { struct guestfs_aug_mv_args args; - struct aug_mv_state state; + struct aug_mv_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_mv") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.src = (char *) src; args.dest = (char *) dest; serial = guestfs__send (g, GUESTFS_PROC_AUG_MV, - (xdrproc_t) xdr_guestfs_aug_mv_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_mv_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_mv_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_mv_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_mv"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_mv_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_mv failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_mv"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_MV, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_MV, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_match_state { - int cb_state; +struct aug_match_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_match_ret ret; }; -static void aug_match_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_match_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_match_state *state = (struct aug_match_state *) data; + struct aug_match_ctx *ctx = (struct aug_match_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_match: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_match_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_match_ctx *ctx = (struct aug_match_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_match"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_match: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_match"); return; } goto done; } - if (!xdr_guestfs_aug_match_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_match: failed to parse reply"); + if (!xdr_guestfs_aug_match_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_match"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1776,196 +2392,271 @@ char **guestfs_aug_match (guestfs_h *g, const char *path) { struct guestfs_aug_match_args args; - struct aug_match_state state; + struct aug_match_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_match") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_AUG_MATCH, - (xdrproc_t) xdr_guestfs_aug_match_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_match_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_match_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_match_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_match"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_match_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_match failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_match"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_MATCH, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_MATCH, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.matches.matches_val = - safe_realloc (g, state.ret.matches.matches_val, - sizeof (char *) * (state.ret.matches.matches_len + 1)); - state.ret.matches.matches_val[state.ret.matches.matches_len] = NULL; - return state.ret.matches.matches_val; -} - -struct aug_save_state { - int cb_state; + ctx.ret.matches.matches_val = + safe_realloc (g, ctx.ret.matches.matches_val, + sizeof (char *) * (ctx.ret.matches.matches_len + 1)); + ctx.ret.matches.matches_val[ctx.ret.matches.matches_len] = NULL; + return ctx.ret.matches.matches_val; +} + +struct aug_save_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_save_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_save_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_save_state *state = (struct aug_save_state *) data; + struct aug_save_ctx *ctx = (struct aug_save_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_save: failed to parse reply header"); +static void aug_save_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_save_ctx *ctx = (struct aug_save_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_save"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_save: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_save"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_aug_save (guestfs_h *g) { - struct aug_save_state state; + struct aug_save_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_save") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_AUG_SAVE, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_save_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_save_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_save"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_save_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_save failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_save"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_SAVE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_SAVE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_load_state { - int cb_state; +struct aug_load_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void aug_load_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_load_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_load_ctx *ctx = (struct aug_load_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_load_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_load_state *state = (struct aug_load_state *) data; + struct aug_load_ctx *ctx = (struct aug_load_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_load: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_load"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_load: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_load"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_aug_load (guestfs_h *g) { - struct aug_load_state state; + struct aug_load_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_load") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_AUG_LOAD, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_load_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_load_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_load"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_load_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_load failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_load"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_LOAD, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_LOAD, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct aug_ls_state { - int cb_state; +struct aug_ls_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_aug_ls_ret ret; }; -static void aug_ls_cb (guestfs_h *g, void *data, XDR *xdr) +static void aug_ls_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct aug_ls_ctx *ctx = (struct aug_ls_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void aug_ls_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct aug_ls_state *state = (struct aug_ls_state *) data; + struct aug_ls_ctx *ctx = (struct aug_ls_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_aug_ls: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_aug_ls"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_aug_ls: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_aug_ls"); return; } goto done; } - if (!xdr_guestfs_aug_ls_ret (xdr, &state->ret)) { - error (g, "guestfs_aug_ls: failed to parse reply"); + if (!xdr_guestfs_aug_ls_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_aug_ls"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -1973,69 +2664,94 @@ char **guestfs_aug_ls (guestfs_h *g, const char *path) { struct guestfs_aug_ls_args args; - struct aug_ls_state state; + struct aug_ls_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_aug_ls") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_AUG_LS, - (xdrproc_t) xdr_guestfs_aug_ls_args, (char *) &args); + (xdrproc_t) xdr_guestfs_aug_ls_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, aug_ls_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, aug_ls_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_aug_ls"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, aug_ls_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_aug_ls failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_aug_ls"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_AUG_LS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_AUG_LS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.matches.matches_val = - safe_realloc (g, state.ret.matches.matches_val, - sizeof (char *) * (state.ret.matches.matches_len + 1)); - state.ret.matches.matches_val[state.ret.matches.matches_len] = NULL; - return state.ret.matches.matches_val; -} - -struct rm_state { - int cb_state; + ctx.ret.matches.matches_val = + safe_realloc (g, ctx.ret.matches.matches_val, + sizeof (char *) * (ctx.ret.matches.matches_len + 1)); + ctx.ret.matches.matches_val[ctx.ret.matches.matches_len] = NULL; + return ctx.ret.matches.matches_val; +} + +struct rm_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void rm_cb (guestfs_h *g, void *data, XDR *xdr) +static void rm_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct rm_ctx *ctx = (struct rm_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void rm_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct rm_state *state = (struct rm_state *) data; + struct rm_ctx *ctx = (struct rm_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_rm: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_rm"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_rm: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_rm"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2043,64 +2759,89 @@ int guestfs_rm (guestfs_h *g, const char *path) { struct guestfs_rm_args args; - struct rm_state state; + struct rm_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_rm") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_RM, - (xdrproc_t) xdr_guestfs_rm_args, (char *) &args); + (xdrproc_t) xdr_guestfs_rm_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, rm_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, rm_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_rm"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, rm_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_rm failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_rm"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_RM, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_RM, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct rmdir_state { - int cb_state; +struct rmdir_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void rmdir_cb (guestfs_h *g, void *data, XDR *xdr) +static void rmdir_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct rmdir_ctx *ctx = (struct rmdir_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void rmdir_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct rmdir_state *state = (struct rmdir_state *) data; + struct rmdir_ctx *ctx = (struct rmdir_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_rmdir: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_rmdir"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_rmdir: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_rmdir"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2108,64 +2849,89 @@ int guestfs_rmdir (guestfs_h *g, const char *path) { struct guestfs_rmdir_args args; - struct rmdir_state state; + struct rmdir_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_rmdir") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_RMDIR, - (xdrproc_t) xdr_guestfs_rmdir_args, (char *) &args); + (xdrproc_t) xdr_guestfs_rmdir_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, rmdir_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, rmdir_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_rmdir"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, rmdir_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_rmdir failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_rmdir"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_RMDIR, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_RMDIR, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct rm_rf_state { - int cb_state; +struct rm_rf_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void rm_rf_cb (guestfs_h *g, void *data, XDR *xdr) +static void rm_rf_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct rm_rf_state *state = (struct rm_rf_state *) data; + struct rm_rf_ctx *ctx = (struct rm_rf_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_rm_rf: failed to parse reply header"); +static void rm_rf_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct rm_rf_ctx *ctx = (struct rm_rf_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_rm_rf"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_rm_rf: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_rm_rf"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2173,64 +2939,89 @@ int guestfs_rm_rf (guestfs_h *g, const char *path) { struct guestfs_rm_rf_args args; - struct rm_rf_state state; + struct rm_rf_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_rm_rf") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_RM_RF, - (xdrproc_t) xdr_guestfs_rm_rf_args, (char *) &args); + (xdrproc_t) xdr_guestfs_rm_rf_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, rm_rf_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, rm_rf_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_rm_rf"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, rm_rf_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_rm_rf failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_rm_rf"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_RM_RF, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_RM_RF, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct mkdir_state { - int cb_state; +struct mkdir_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void mkdir_cb (guestfs_h *g, void *data, XDR *xdr) +static void mkdir_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct mkdir_ctx *ctx = (struct mkdir_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void mkdir_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct mkdir_state *state = (struct mkdir_state *) data; + struct mkdir_ctx *ctx = (struct mkdir_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_mkdir: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_mkdir"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_mkdir: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_mkdir"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2238,64 +3029,89 @@ int guestfs_mkdir (guestfs_h *g, const char *path) { struct guestfs_mkdir_args args; - struct mkdir_state state; + struct mkdir_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_mkdir") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_MKDIR, - (xdrproc_t) xdr_guestfs_mkdir_args, (char *) &args); + (xdrproc_t) xdr_guestfs_mkdir_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, mkdir_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, mkdir_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_mkdir"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, mkdir_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_mkdir failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_mkdir"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_MKDIR, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_MKDIR, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct mkdir_p_state { - int cb_state; +struct mkdir_p_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void mkdir_p_cb (guestfs_h *g, void *data, XDR *xdr) +static void mkdir_p_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct mkdir_p_ctx *ctx = (struct mkdir_p_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void mkdir_p_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct mkdir_p_state *state = (struct mkdir_p_state *) data; + struct mkdir_p_ctx *ctx = (struct mkdir_p_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_mkdir_p: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_mkdir_p"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_mkdir_p: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_mkdir_p"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2303,64 +3119,89 @@ int guestfs_mkdir_p (guestfs_h *g, const char *path) { struct guestfs_mkdir_p_args args; - struct mkdir_p_state state; + struct mkdir_p_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_mkdir_p") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_MKDIR_P, - (xdrproc_t) xdr_guestfs_mkdir_p_args, (char *) &args); + (xdrproc_t) xdr_guestfs_mkdir_p_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, mkdir_p_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, mkdir_p_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_mkdir_p"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, mkdir_p_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_mkdir_p failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_mkdir_p"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_MKDIR_P, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_MKDIR_P, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct chmod_state { - int cb_state; +struct chmod_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void chmod_cb (guestfs_h *g, void *data, XDR *xdr) +static void chmod_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct chmod_ctx *ctx = (struct chmod_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void chmod_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct chmod_state *state = (struct chmod_state *) data; + struct chmod_ctx *ctx = (struct chmod_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_chmod: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_chmod"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_chmod: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_chmod"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2369,65 +3210,90 @@ int guestfs_chmod (guestfs_h *g, const char *path) { struct guestfs_chmod_args args; - struct chmod_state state; + struct chmod_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_chmod") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.mode = mode; args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_CHMOD, - (xdrproc_t) xdr_guestfs_chmod_args, (char *) &args); + (xdrproc_t) xdr_guestfs_chmod_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, chmod_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, chmod_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_chmod"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, chmod_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_chmod failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_chmod"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_CHMOD, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_CHMOD, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct chown_state { - int cb_state; +struct chown_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void chown_cb (guestfs_h *g, void *data, XDR *xdr) +static void chown_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct chown_state *state = (struct chown_state *) data; + struct chown_ctx *ctx = (struct chown_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_chown: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void chown_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct chown_ctx *ctx = (struct chown_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_chown"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_chown: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_chown"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2437,71 +3303,96 @@ int guestfs_chown (guestfs_h *g, const char *path) { struct guestfs_chown_args args; - struct chown_state state; + struct chown_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_chown") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.owner = owner; args.group = group; args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_CHOWN, - (xdrproc_t) xdr_guestfs_chown_args, (char *) &args); + (xdrproc_t) xdr_guestfs_chown_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, chown_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, chown_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_chown"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, chown_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_chown failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_chown"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_CHOWN, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_CHOWN, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct exists_state { - int cb_state; +struct exists_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_exists_ret ret; }; -static void exists_cb (guestfs_h *g, void *data, XDR *xdr) +static void exists_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct exists_state *state = (struct exists_state *) data; + struct exists_ctx *ctx = (struct exists_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_exists: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void exists_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct exists_ctx *ctx = (struct exists_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_exists"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_exists: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_exists"); return; } goto done; } - if (!xdr_guestfs_exists_ret (xdr, &state->ret)) { - error (g, "guestfs_exists: failed to parse reply"); + if (!xdr_guestfs_exists_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_exists"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2509,69 +3400,94 @@ int guestfs_exists (guestfs_h *g, const char *path) { struct guestfs_exists_args args; - struct exists_state state; + struct exists_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_exists") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_EXISTS, - (xdrproc_t) xdr_guestfs_exists_args, (char *) &args); + (xdrproc_t) xdr_guestfs_exists_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, exists_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, exists_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_exists"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, exists_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_exists failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_exists"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_EXISTS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_EXISTS, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.existsflag; + return ctx.ret.existsflag; } -struct is_file_state { - int cb_state; +struct is_file_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_is_file_ret ret; }; -static void is_file_cb (guestfs_h *g, void *data, XDR *xdr) +static void is_file_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct is_file_ctx *ctx = (struct is_file_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void is_file_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct is_file_state *state = (struct is_file_state *) data; + struct is_file_ctx *ctx = (struct is_file_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_is_file: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_is_file"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_is_file: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_is_file"); return; } goto done; } - if (!xdr_guestfs_is_file_ret (xdr, &state->ret)) { - error (g, "guestfs_is_file: failed to parse reply"); + if (!xdr_guestfs_is_file_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_is_file"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2579,69 +3495,94 @@ int guestfs_is_file (guestfs_h *g, const char *path) { struct guestfs_is_file_args args; - struct is_file_state state; + struct is_file_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_is_file") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_IS_FILE, - (xdrproc_t) xdr_guestfs_is_file_args, (char *) &args); + (xdrproc_t) xdr_guestfs_is_file_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, is_file_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, is_file_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_is_file"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, is_file_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_is_file failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_is_file"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_IS_FILE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_IS_FILE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.fileflag; + return ctx.ret.fileflag; } -struct is_dir_state { - int cb_state; +struct is_dir_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_is_dir_ret ret; }; -static void is_dir_cb (guestfs_h *g, void *data, XDR *xdr) +static void is_dir_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct is_dir_ctx *ctx = (struct is_dir_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void is_dir_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct is_dir_state *state = (struct is_dir_state *) data; + struct is_dir_ctx *ctx = (struct is_dir_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_is_dir: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_is_dir"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_is_dir: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_is_dir"); return; } goto done; } - if (!xdr_guestfs_is_dir_ret (xdr, &state->ret)) { - error (g, "guestfs_is_dir: failed to parse reply"); + if (!xdr_guestfs_is_dir_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_is_dir"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2649,64 +3590,89 @@ int guestfs_is_dir (guestfs_h *g, const char *path) { struct guestfs_is_dir_args args; - struct is_dir_state state; + struct is_dir_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_is_dir") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_IS_DIR, - (xdrproc_t) xdr_guestfs_is_dir_args, (char *) &args); + (xdrproc_t) xdr_guestfs_is_dir_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, is_dir_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, is_dir_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_is_dir"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, is_dir_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_is_dir failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_is_dir"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_IS_DIR, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_IS_DIR, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.dirflag; + return ctx.ret.dirflag; } -struct pvcreate_state { - int cb_state; +struct pvcreate_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void pvcreate_cb (guestfs_h *g, void *data, XDR *xdr) +static void pvcreate_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct pvcreate_state *state = (struct pvcreate_state *) data; + struct pvcreate_ctx *ctx = (struct pvcreate_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_pvcreate: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void pvcreate_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct pvcreate_ctx *ctx = (struct pvcreate_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_pvcreate"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_pvcreate: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_pvcreate"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2714,64 +3680,89 @@ int guestfs_pvcreate (guestfs_h *g, const char *device) { struct guestfs_pvcreate_args args; - struct pvcreate_state state; + struct pvcreate_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_pvcreate") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_PVCREATE, - (xdrproc_t) xdr_guestfs_pvcreate_args, (char *) &args); + (xdrproc_t) xdr_guestfs_pvcreate_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, pvcreate_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, pvcreate_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_pvcreate"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, pvcreate_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_pvcreate failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_pvcreate"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_PVCREATE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_PVCREATE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct vgcreate_state { - int cb_state; +struct vgcreate_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void vgcreate_cb (guestfs_h *g, void *data, XDR *xdr) +static void vgcreate_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct vgcreate_state *state = (struct vgcreate_state *) data; + struct vgcreate_ctx *ctx = (struct vgcreate_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_vgcreate: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void vgcreate_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct vgcreate_ctx *ctx = (struct vgcreate_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_vgcreate"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_vgcreate: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_vgcreate"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2780,66 +3771,91 @@ int guestfs_vgcreate (guestfs_h *g, char * const* const physvols) { struct guestfs_vgcreate_args args; - struct vgcreate_state state; + struct vgcreate_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_vgcreate") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.volgroup = (char *) volgroup; args.physvols.physvols_val = (char **) physvols; for (args.physvols.physvols_len = 0; physvols[args.physvols.physvols_len]; args.physvols.physvols_len++) ; serial = guestfs__send (g, GUESTFS_PROC_VGCREATE, - (xdrproc_t) xdr_guestfs_vgcreate_args, (char *) &args); + (xdrproc_t) xdr_guestfs_vgcreate_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, vgcreate_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, vgcreate_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_vgcreate"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, vgcreate_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_vgcreate failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_vgcreate"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_VGCREATE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_VGCREATE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct lvcreate_state { - int cb_state; +struct lvcreate_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void lvcreate_cb (guestfs_h *g, void *data, XDR *xdr) +static void lvcreate_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct lvcreate_state *state = (struct lvcreate_state *) data; + struct lvcreate_ctx *ctx = (struct lvcreate_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_lvcreate: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void lvcreate_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct lvcreate_ctx *ctx = (struct lvcreate_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_lvcreate"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_lvcreate: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_lvcreate"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2849,66 +3865,91 @@ int guestfs_lvcreate (guestfs_h *g, int mbytes) { struct guestfs_lvcreate_args args; - struct lvcreate_state state; + struct lvcreate_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_lvcreate") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.logvol = (char *) logvol; args.volgroup = (char *) volgroup; args.mbytes = mbytes; serial = guestfs__send (g, GUESTFS_PROC_LVCREATE, - (xdrproc_t) xdr_guestfs_lvcreate_args, (char *) &args); + (xdrproc_t) xdr_guestfs_lvcreate_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, lvcreate_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, lvcreate_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_lvcreate"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, lvcreate_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_lvcreate failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_lvcreate"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LVCREATE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LVCREATE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct mkfs_state { - int cb_state; +struct mkfs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void mkfs_cb (guestfs_h *g, void *data, XDR *xdr) +static void mkfs_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct mkfs_ctx *ctx = (struct mkfs_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void mkfs_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct mkfs_state *state = (struct mkfs_state *) data; + struct mkfs_ctx *ctx = (struct mkfs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_mkfs: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_mkfs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_mkfs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_mkfs"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2917,65 +3958,90 @@ int guestfs_mkfs (guestfs_h *g, const char *device) { struct guestfs_mkfs_args args; - struct mkfs_state state; + struct mkfs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_mkfs") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.fstype = (char *) fstype; args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_MKFS, - (xdrproc_t) xdr_guestfs_mkfs_args, (char *) &args); + (xdrproc_t) xdr_guestfs_mkfs_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, mkfs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, mkfs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_mkfs"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, mkfs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_mkfs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_mkfs"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_MKFS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_MKFS, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct sfdisk_state { - int cb_state; +struct sfdisk_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void sfdisk_cb (guestfs_h *g, void *data, XDR *xdr) +static void sfdisk_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct sfdisk_ctx *ctx = (struct sfdisk_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void sfdisk_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct sfdisk_state *state = (struct sfdisk_state *) data; + struct sfdisk_ctx *ctx = (struct sfdisk_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_sfdisk: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_sfdisk"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_sfdisk: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_sfdisk"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -2987,13 +4053,13 @@ int guestfs_sfdisk (guestfs_h *g, char * const* const lines) { struct guestfs_sfdisk_args args; - struct sfdisk_state state; + struct sfdisk_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_sfdisk") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; args.cyls = cyls; @@ -3002,54 +4068,79 @@ int guestfs_sfdisk (guestfs_h *g, args.lines.lines_val = (char **) lines; for (args.lines.lines_len = 0; lines[args.lines.lines_len]; args.lines.lines_len++) ; serial = guestfs__send (g, GUESTFS_PROC_SFDISK, - (xdrproc_t) xdr_guestfs_sfdisk_args, (char *) &args); + (xdrproc_t) xdr_guestfs_sfdisk_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, sfdisk_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, sfdisk_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_sfdisk"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, sfdisk_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_sfdisk failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_sfdisk"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_SFDISK, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_SFDISK, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct write_file_state { - int cb_state; +struct write_file_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void write_file_cb (guestfs_h *g, void *data, XDR *xdr) +static void write_file_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct write_file_ctx *ctx = (struct write_file_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void write_file_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct write_file_state *state = (struct write_file_state *) data; + struct write_file_ctx *ctx = (struct write_file_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_write_file: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_write_file"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_write_file: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_write_file"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3059,66 +4150,91 @@ int guestfs_write_file (guestfs_h *g, int size) { struct guestfs_write_file_args args; - struct write_file_state state; + struct write_file_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_write_file") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; args.content = (char *) content; args.size = size; serial = guestfs__send (g, GUESTFS_PROC_WRITE_FILE, - (xdrproc_t) xdr_guestfs_write_file_args, (char *) &args); + (xdrproc_t) xdr_guestfs_write_file_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, write_file_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, write_file_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_write_file"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, write_file_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_write_file failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_write_file"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_WRITE_FILE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_WRITE_FILE, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct umount_state { - int cb_state; +struct umount_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void umount_cb (guestfs_h *g, void *data, XDR *xdr) +static void umount_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct umount_state *state = (struct umount_state *) data; + struct umount_ctx *ctx = (struct umount_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_umount: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void umount_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct umount_ctx *ctx = (struct umount_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_umount"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_umount: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_umount"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3126,262 +4242,362 @@ int guestfs_umount (guestfs_h *g, const char *pathordevice) { struct guestfs_umount_args args; - struct umount_state state; + struct umount_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_umount") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.pathordevice = (char *) pathordevice; serial = guestfs__send (g, GUESTFS_PROC_UMOUNT, - (xdrproc_t) xdr_guestfs_umount_args, (char *) &args); + (xdrproc_t) xdr_guestfs_umount_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, umount_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, umount_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_umount"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, umount_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_umount failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_umount"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_UMOUNT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_UMOUNT, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct mounts_state { - int cb_state; +struct mounts_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_mounts_ret ret; }; -static void mounts_cb (guestfs_h *g, void *data, XDR *xdr) +static void mounts_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct mounts_ctx *ctx = (struct mounts_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void mounts_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct mounts_state *state = (struct mounts_state *) data; + struct mounts_ctx *ctx = (struct mounts_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_mounts: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_mounts"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_mounts: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_mounts"); return; } goto done; } - if (!xdr_guestfs_mounts_ret (xdr, &state->ret)) { - error (g, "guestfs_mounts: failed to parse reply"); + if (!xdr_guestfs_mounts_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_mounts"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } char **guestfs_mounts (guestfs_h *g) { - struct mounts_state state; + struct mounts_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_mounts") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_MOUNTS, NULL, NULL); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, mounts_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, mounts_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_mounts"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, mounts_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_mounts failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_mounts"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_MOUNTS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_MOUNTS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.devices.devices_val = - safe_realloc (g, state.ret.devices.devices_val, - sizeof (char *) * (state.ret.devices.devices_len + 1)); - state.ret.devices.devices_val[state.ret.devices.devices_len] = NULL; - return state.ret.devices.devices_val; -} - -struct umount_all_state { - int cb_state; + ctx.ret.devices.devices_val = + safe_realloc (g, ctx.ret.devices.devices_val, + sizeof (char *) * (ctx.ret.devices.devices_len + 1)); + ctx.ret.devices.devices_val[ctx.ret.devices.devices_len] = NULL; + return ctx.ret.devices.devices_val; +} + +struct umount_all_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void umount_all_cb (guestfs_h *g, void *data, XDR *xdr) +static void umount_all_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct umount_all_ctx *ctx = (struct umount_all_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void umount_all_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct umount_all_state *state = (struct umount_all_state *) data; + struct umount_all_ctx *ctx = (struct umount_all_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_umount_all: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_umount_all"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_umount_all: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_umount_all"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_umount_all (guestfs_h *g) { - struct umount_all_state state; + struct umount_all_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_umount_all") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_UMOUNT_ALL, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, umount_all_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, umount_all_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_umount_all"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, umount_all_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_umount_all failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_umount_all"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_UMOUNT_ALL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_UMOUNT_ALL, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct lvm_remove_all_state { - int cb_state; +struct lvm_remove_all_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void lvm_remove_all_cb (guestfs_h *g, void *data, XDR *xdr) +static void lvm_remove_all_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct lvm_remove_all_state *state = (struct lvm_remove_all_state *) data; + struct lvm_remove_all_ctx *ctx = (struct lvm_remove_all_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_lvm_remove_all: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void lvm_remove_all_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct lvm_remove_all_ctx *ctx = (struct lvm_remove_all_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_lvm_remove_all"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_lvm_remove_all: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_lvm_remove_all"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } int guestfs_lvm_remove_all (guestfs_h *g) { - struct lvm_remove_all_state state; + struct lvm_remove_all_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_lvm_remove_all") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); serial = guestfs__send (g, GUESTFS_PROC_LVM_REMOVE_ALL, NULL, NULL); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, lvm_remove_all_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, lvm_remove_all_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_lvm_remove_all"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, lvm_remove_all_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_lvm_remove_all failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_lvm_remove_all"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LVM_REMOVE_ALL, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LVM_REMOVE_ALL, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct file_state { - int cb_state; +struct file_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_file_ret ret; }; -static void file_cb (guestfs_h *g, void *data, XDR *xdr) +static void file_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct file_ctx *ctx = (struct file_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void file_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct file_state *state = (struct file_state *) data; + struct file_ctx *ctx = (struct file_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_file: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_file"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_file: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_file"); return; } goto done; } - if (!xdr_guestfs_file_ret (xdr, &state->ret)) { - error (g, "guestfs_file: failed to parse reply"); + if (!xdr_guestfs_file_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_file"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3389,69 +4605,94 @@ char *guestfs_file (guestfs_h *g, const char *path) { struct guestfs_file_args args; - struct file_state state; + struct file_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_file") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_FILE, - (xdrproc_t) xdr_guestfs_file_args, (char *) &args); + (xdrproc_t) xdr_guestfs_file_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, file_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, file_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_file"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, file_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_file failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_file"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_FILE, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_FILE, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } - return state.ret.description; /* caller will free */ + return ctx.ret.description; /* caller will free */ } -struct command_state { - int cb_state; +struct command_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_command_ret ret; }; -static void command_cb (guestfs_h *g, void *data, XDR *xdr) +static void command_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct command_ctx *ctx = (struct command_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void command_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct command_state *state = (struct command_state *) data; + struct command_ctx *ctx = (struct command_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_command: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_command"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_command: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_command"); return; } goto done; } - if (!xdr_guestfs_command_ret (xdr, &state->ret)) { - error (g, "guestfs_command: failed to parse reply"); + if (!xdr_guestfs_command_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_command"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3459,70 +4700,95 @@ char *guestfs_command (guestfs_h *g, char * const* const arguments) { struct guestfs_command_args args; - struct command_state state; + struct command_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_command") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.arguments.arguments_val = (char **) arguments; for (args.arguments.arguments_len = 0; arguments[args.arguments.arguments_len]; args.arguments.arguments_len++) ; serial = guestfs__send (g, GUESTFS_PROC_COMMAND, - (xdrproc_t) xdr_guestfs_command_args, (char *) &args); + (xdrproc_t) xdr_guestfs_command_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, command_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, command_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_command"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, command_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_command failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_command"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_COMMAND, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_COMMAND, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } - return state.ret.output; /* caller will free */ + return ctx.ret.output; /* caller will free */ } -struct command_lines_state { - int cb_state; +struct command_lines_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_command_lines_ret ret; }; -static void command_lines_cb (guestfs_h *g, void *data, XDR *xdr) +static void command_lines_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct command_lines_ctx *ctx = (struct command_lines_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void command_lines_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct command_lines_state *state = (struct command_lines_state *) data; + struct command_lines_ctx *ctx = (struct command_lines_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_command_lines: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_command_lines"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_command_lines: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_command_lines"); return; } goto done; } - if (!xdr_guestfs_command_lines_ret (xdr, &state->ret)) { - error (g, "guestfs_command_lines: failed to parse reply"); + if (!xdr_guestfs_command_lines_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_command_lines"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3530,75 +4796,100 @@ char **guestfs_command_lines (guestfs_h *g, char * const* const arguments) { struct guestfs_command_lines_args args; - struct command_lines_state state; + struct command_lines_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_command_lines") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.arguments.arguments_val = (char **) arguments; for (args.arguments.arguments_len = 0; arguments[args.arguments.arguments_len]; args.arguments.arguments_len++) ; serial = guestfs__send (g, GUESTFS_PROC_COMMAND_LINES, - (xdrproc_t) xdr_guestfs_command_lines_args, (char *) &args); + (xdrproc_t) xdr_guestfs_command_lines_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, command_lines_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, command_lines_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_command_lines"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, command_lines_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_command_lines failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_command_lines"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_COMMAND_LINES, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_COMMAND_LINES, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.lines.lines_val = - safe_realloc (g, state.ret.lines.lines_val, - sizeof (char *) * (state.ret.lines.lines_len + 1)); - state.ret.lines.lines_val[state.ret.lines.lines_len] = NULL; - return state.ret.lines.lines_val; -} - -struct stat_state { - int cb_state; + ctx.ret.lines.lines_val = + safe_realloc (g, ctx.ret.lines.lines_val, + sizeof (char *) * (ctx.ret.lines.lines_len + 1)); + ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL; + return ctx.ret.lines.lines_val; +} + +struct stat_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_stat_ret ret; }; -static void stat_cb (guestfs_h *g, void *data, XDR *xdr) +static void stat_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct stat_ctx *ctx = (struct stat_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void stat_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct stat_state *state = (struct stat_state *) data; + struct stat_ctx *ctx = (struct stat_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_stat: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_stat"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_stat: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_stat"); return; } goto done; } - if (!xdr_guestfs_stat_ret (xdr, &state->ret)) { - error (g, "guestfs_stat: failed to parse reply"); + if (!xdr_guestfs_stat_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_stat"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3606,70 +4897,95 @@ struct guestfs_stat *guestfs_stat (guestfs_h *g, const char *path) { struct guestfs_stat_args args; - struct stat_state state; + struct stat_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_stat") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_STAT, - (xdrproc_t) xdr_guestfs_stat_args, (char *) &args); + (xdrproc_t) xdr_guestfs_stat_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, stat_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, stat_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_stat"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, stat_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_stat failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_stat"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_STAT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_STAT, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.statbuf, sizeof (state.ret.statbuf)); + return safe_memdup (g, &ctx.ret.statbuf, sizeof (ctx.ret.statbuf)); } -struct lstat_state { - int cb_state; +struct lstat_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_lstat_ret ret; }; -static void lstat_cb (guestfs_h *g, void *data, XDR *xdr) +static void lstat_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct lstat_ctx *ctx = (struct lstat_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void lstat_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct lstat_state *state = (struct lstat_state *) data; + struct lstat_ctx *ctx = (struct lstat_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_lstat: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_lstat"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_lstat: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_lstat"); return; } goto done; } - if (!xdr_guestfs_lstat_ret (xdr, &state->ret)) { - error (g, "guestfs_lstat: failed to parse reply"); + if (!xdr_guestfs_lstat_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_lstat"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3677,70 +4993,95 @@ struct guestfs_stat *guestfs_lstat (guestfs_h *g, const char *path) { struct guestfs_lstat_args args; - struct lstat_state state; + struct lstat_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_lstat") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_LSTAT, - (xdrproc_t) xdr_guestfs_lstat_args, (char *) &args); + (xdrproc_t) xdr_guestfs_lstat_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, lstat_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, lstat_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_lstat"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, lstat_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_lstat failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_lstat"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_LSTAT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_LSTAT, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.statbuf, sizeof (state.ret.statbuf)); + return safe_memdup (g, &ctx.ret.statbuf, sizeof (ctx.ret.statbuf)); } -struct statvfs_state { - int cb_state; +struct statvfs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_statvfs_ret ret; }; -static void statvfs_cb (guestfs_h *g, void *data, XDR *xdr) +static void statvfs_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct statvfs_ctx *ctx = (struct statvfs_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void statvfs_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct statvfs_state *state = (struct statvfs_state *) data; + struct statvfs_ctx *ctx = (struct statvfs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_statvfs: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_statvfs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_statvfs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_statvfs"); return; } goto done; } - if (!xdr_guestfs_statvfs_ret (xdr, &state->ret)) { - error (g, "guestfs_statvfs: failed to parse reply"); + if (!xdr_guestfs_statvfs_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_statvfs"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3748,70 +5089,95 @@ struct guestfs_statvfs *guestfs_statvfs (guestfs_h *g, const char *path) { struct guestfs_statvfs_args args; - struct statvfs_state state; + struct statvfs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_statvfs") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.path = (char *) path; serial = guestfs__send (g, GUESTFS_PROC_STATVFS, - (xdrproc_t) xdr_guestfs_statvfs_args, (char *) &args); + (xdrproc_t) xdr_guestfs_statvfs_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, statvfs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, statvfs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_statvfs"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, statvfs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_statvfs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_statvfs"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_STATVFS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_STATVFS, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this */ - return safe_memdup (g, &state.ret.statbuf, sizeof (state.ret.statbuf)); + return safe_memdup (g, &ctx.ret.statbuf, sizeof (ctx.ret.statbuf)); } -struct tune2fs_l_state { - int cb_state; +struct tune2fs_l_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_tune2fs_l_ret ret; }; -static void tune2fs_l_cb (guestfs_h *g, void *data, XDR *xdr) +static void tune2fs_l_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct tune2fs_l_state *state = (struct tune2fs_l_state *) data; + struct tune2fs_l_ctx *ctx = (struct tune2fs_l_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_tune2fs_l: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void tune2fs_l_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct tune2fs_l_ctx *ctx = (struct tune2fs_l_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_tune2fs_l"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_tune2fs_l: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_tune2fs_l"); return; } goto done; } - if (!xdr_guestfs_tune2fs_l_ret (xdr, &state->ret)) { - error (g, "guestfs_tune2fs_l: failed to parse reply"); + if (!xdr_guestfs_tune2fs_l_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_tune2fs_l"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3819,69 +5185,94 @@ char **guestfs_tune2fs_l (guestfs_h *g, const char *device) { struct guestfs_tune2fs_l_args args; - struct tune2fs_l_state state; + struct tune2fs_l_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_tune2fs_l") == -1) return NULL; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_TUNE2FS_L, - (xdrproc_t) xdr_guestfs_tune2fs_l_args, (char *) &args); + (xdrproc_t) xdr_guestfs_tune2fs_l_args, (char *) &args); if (serial == -1) return NULL; - state.cb_state = 0; - guestfs_set_reply_callback (g, tune2fs_l_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, tune2fs_l_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_tune2fs_l"); + return NULL; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, tune2fs_l_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_tune2fs_l failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_tune2fs_l"); return NULL; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_TUNE2FS_L, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_TUNE2FS_L, serial) == -1) return NULL; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return NULL; } /* caller will free this, but we need to add a NULL entry */ - state.ret.superblock.superblock_val = - safe_realloc (g, state.ret.superblock.superblock_val, - sizeof (char *) * (state.ret.superblock.superblock_len + 1)); - state.ret.superblock.superblock_val[state.ret.superblock.superblock_len] = NULL; - return state.ret.superblock.superblock_val; -} - -struct blockdev_setro_state { - int cb_state; + ctx.ret.superblock.superblock_val = + safe_realloc (g, ctx.ret.superblock.superblock_val, + sizeof (char *) * (ctx.ret.superblock.superblock_len + 1)); + ctx.ret.superblock.superblock_val[ctx.ret.superblock.superblock_len] = NULL; + return ctx.ret.superblock.superblock_val; +} + +struct blockdev_setro_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void blockdev_setro_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_setro_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_setro_ctx *ctx = (struct blockdev_setro_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_setro_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_setro_state *state = (struct blockdev_setro_state *) data; + struct blockdev_setro_ctx *ctx = (struct blockdev_setro_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_setro: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_setro"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_setro: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_setro"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3889,64 +5280,89 @@ int guestfs_blockdev_setro (guestfs_h *g, const char *device) { struct guestfs_blockdev_setro_args args; - struct blockdev_setro_state state; + struct blockdev_setro_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_setro") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_SETRO, - (xdrproc_t) xdr_guestfs_blockdev_setro_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_setro_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_setro_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_setro_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_setro"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_setro_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_setro failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_setro"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_SETRO, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_SETRO, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct blockdev_setrw_state { - int cb_state; +struct blockdev_setrw_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void blockdev_setrw_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_setrw_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_setrw_ctx *ctx = (struct blockdev_setrw_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_setrw_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_setrw_state *state = (struct blockdev_setrw_state *) data; + struct blockdev_setrw_ctx *ctx = (struct blockdev_setrw_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_setrw: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_setrw"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_setrw: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_setrw"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -3954,69 +5370,94 @@ int guestfs_blockdev_setrw (guestfs_h *g, const char *device) { struct guestfs_blockdev_setrw_args args; - struct blockdev_setrw_state state; + struct blockdev_setrw_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_setrw") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_SETRW, - (xdrproc_t) xdr_guestfs_blockdev_setrw_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_setrw_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_setrw_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_setrw_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_setrw"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_setrw_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_setrw failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_setrw"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_SETRW, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_SETRW, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct blockdev_getro_state { - int cb_state; +struct blockdev_getro_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_blockdev_getro_ret ret; }; -static void blockdev_getro_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_getro_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_getro_state *state = (struct blockdev_getro_state *) data; + struct blockdev_getro_ctx *ctx = (struct blockdev_getro_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_getro: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_getro_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_getro_ctx *ctx = (struct blockdev_getro_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_getro"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_getro: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_getro"); return; } goto done; } - if (!xdr_guestfs_blockdev_getro_ret (xdr, &state->ret)) { - error (g, "guestfs_blockdev_getro: failed to parse reply"); + if (!xdr_guestfs_blockdev_getro_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_blockdev_getro"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4024,69 +5465,94 @@ int guestfs_blockdev_getro (guestfs_h *g, const char *device) { struct guestfs_blockdev_getro_args args; - struct blockdev_getro_state state; + struct blockdev_getro_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_getro") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_GETRO, - (xdrproc_t) xdr_guestfs_blockdev_getro_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_getro_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_getro_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_getro_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_getro"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_getro_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_getro failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getro"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_GETRO, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_GETRO, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.ro; + return ctx.ret.ro; } -struct blockdev_getss_state { - int cb_state; +struct blockdev_getss_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_blockdev_getss_ret ret; }; -static void blockdev_getss_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_getss_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_getss_ctx *ctx = (struct blockdev_getss_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_getss_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_getss_state *state = (struct blockdev_getss_state *) data; + struct blockdev_getss_ctx *ctx = (struct blockdev_getss_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_getss: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_getss"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_getss: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_getss"); return; } goto done; } - if (!xdr_guestfs_blockdev_getss_ret (xdr, &state->ret)) { - error (g, "guestfs_blockdev_getss: failed to parse reply"); + if (!xdr_guestfs_blockdev_getss_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_blockdev_getss"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4094,69 +5560,94 @@ int guestfs_blockdev_getss (guestfs_h *g, const char *device) { struct guestfs_blockdev_getss_args args; - struct blockdev_getss_state state; + struct blockdev_getss_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_getss") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_GETSS, - (xdrproc_t) xdr_guestfs_blockdev_getss_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_getss_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_getss_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_getss_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_getss"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_getss_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_getss failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getss"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_GETSS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_GETSS, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.sectorsize; + return ctx.ret.sectorsize; } -struct blockdev_getbsz_state { - int cb_state; +struct blockdev_getbsz_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_blockdev_getbsz_ret ret; }; -static void blockdev_getbsz_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_getbsz_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_getbsz_ctx *ctx = (struct blockdev_getbsz_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_getbsz_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_getbsz_state *state = (struct blockdev_getbsz_state *) data; + struct blockdev_getbsz_ctx *ctx = (struct blockdev_getbsz_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_getbsz: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_getbsz"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_getbsz: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_getbsz"); return; } goto done; } - if (!xdr_guestfs_blockdev_getbsz_ret (xdr, &state->ret)) { - error (g, "guestfs_blockdev_getbsz: failed to parse reply"); + if (!xdr_guestfs_blockdev_getbsz_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_blockdev_getbsz"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4164,64 +5655,89 @@ int guestfs_blockdev_getbsz (guestfs_h *g, const char *device) { struct guestfs_blockdev_getbsz_args args; - struct blockdev_getbsz_state state; + struct blockdev_getbsz_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_getbsz") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_GETBSZ, - (xdrproc_t) xdr_guestfs_blockdev_getbsz_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_getbsz_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_getbsz_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_getbsz_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_getbsz"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_getbsz_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_getbsz failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getbsz"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_GETBSZ, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_GETBSZ, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.blocksize; + return ctx.ret.blocksize; } -struct blockdev_setbsz_state { - int cb_state; +struct blockdev_setbsz_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void blockdev_setbsz_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_setbsz_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_setbsz_ctx *ctx = (struct blockdev_setbsz_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_setbsz_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_setbsz_state *state = (struct blockdev_setbsz_state *) data; + struct blockdev_setbsz_ctx *ctx = (struct blockdev_setbsz_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_setbsz: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_setbsz"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_setbsz: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_setbsz"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4230,70 +5746,95 @@ int guestfs_blockdev_setbsz (guestfs_h *g, int blocksize) { struct guestfs_blockdev_setbsz_args args; - struct blockdev_setbsz_state state; + struct blockdev_setbsz_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_setbsz") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; args.blocksize = blocksize; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_SETBSZ, - (xdrproc_t) xdr_guestfs_blockdev_setbsz_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_setbsz_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_setbsz_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_setbsz_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_setbsz"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_setbsz_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_setbsz failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_setbsz"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_SETBSZ, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_SETBSZ, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct blockdev_getsz_state { - int cb_state; +struct blockdev_getsz_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_blockdev_getsz_ret ret; }; -static void blockdev_getsz_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_getsz_send_cb (guestfs_h *g, void *data) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_getsz_state *state = (struct blockdev_getsz_state *) data; + struct blockdev_getsz_ctx *ctx = (struct blockdev_getsz_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_getsz: failed to parse reply header"); + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_getsz_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_getsz_ctx *ctx = (struct blockdev_getsz_ctx *) data; + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_getsz"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_getsz: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_getsz"); return; } goto done; } - if (!xdr_guestfs_blockdev_getsz_ret (xdr, &state->ret)) { - error (g, "guestfs_blockdev_getsz: failed to parse reply"); + if (!xdr_guestfs_blockdev_getsz_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_blockdev_getsz"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4301,69 +5842,94 @@ int64_t guestfs_blockdev_getsz (guestfs_h *g, const char *device) { struct guestfs_blockdev_getsz_args args; - struct blockdev_getsz_state state; + struct blockdev_getsz_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_getsz") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_GETSZ, - (xdrproc_t) xdr_guestfs_blockdev_getsz_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_getsz_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_getsz_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_getsz_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_getsz"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_getsz_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_getsz failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getsz"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_GETSZ, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_GETSZ, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.sizeinsectors; + return ctx.ret.sizeinsectors; } -struct blockdev_getsize64_state { - int cb_state; +struct blockdev_getsize64_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; struct guestfs_blockdev_getsize64_ret ret; }; -static void blockdev_getsize64_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_getsize64_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_getsize64_ctx *ctx = (struct blockdev_getsize64_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_getsize64_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_getsize64_state *state = (struct blockdev_getsize64_state *) data; + struct blockdev_getsize64_ctx *ctx = (struct blockdev_getsize64_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_getsize64: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_getsize64"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_getsize64: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_getsize64"); return; } goto done; } - if (!xdr_guestfs_blockdev_getsize64_ret (xdr, &state->ret)) { - error (g, "guestfs_blockdev_getsize64: failed to parse reply"); + if (!xdr_guestfs_blockdev_getsize64_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_blockdev_getsize64"); return; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4371,64 +5937,89 @@ int64_t guestfs_blockdev_getsize64 (guestfs_h *g, const char *device) { struct guestfs_blockdev_getsize64_args args; - struct blockdev_getsize64_state state; + struct blockdev_getsize64_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_getsize64") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_GETSIZE64, - (xdrproc_t) xdr_guestfs_blockdev_getsize64_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_getsize64_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_getsize64_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_getsize64_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_getsize64"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_getsize64_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_getsize64 failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getsize64"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_GETSIZE64, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_GETSIZE64, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } - return state.ret.sizeinbytes; + return ctx.ret.sizeinbytes; } -struct blockdev_flushbufs_state { - int cb_state; +struct blockdev_flushbufs_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void blockdev_flushbufs_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_flushbufs_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_flushbufs_ctx *ctx = (struct blockdev_flushbufs_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_flushbufs_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_flushbufs_state *state = (struct blockdev_flushbufs_state *) data; + struct blockdev_flushbufs_ctx *ctx = (struct blockdev_flushbufs_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_flushbufs: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_flushbufs"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_flushbufs: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_flushbufs"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4436,64 +6027,89 @@ int guestfs_blockdev_flushbufs (guestfs_h *g, const char *device) { struct guestfs_blockdev_flushbufs_args args; - struct blockdev_flushbufs_state state; + struct blockdev_flushbufs_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_flushbufs") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_FLUSHBUFS, - (xdrproc_t) xdr_guestfs_blockdev_flushbufs_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_flushbufs_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_flushbufs_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_flushbufs_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_flushbufs"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_flushbufs_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_flushbufs failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_flushbufs"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_FLUSHBUFS, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_FLUSHBUFS, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } return 0; } -struct blockdev_rereadpt_state { - int cb_state; +struct blockdev_rereadpt_ctx { + /* This flag is set by the callbacks, so we know we've done + * the callbacks as expected, and in the right sequence. + * 0 = not called, 1 = send called, + * 2.. = send_file called, + * 1000 = reply called. + */ + int cb_sequence; struct guestfs_message_header hdr; struct guestfs_message_error err; }; -static void blockdev_rereadpt_cb (guestfs_h *g, void *data, XDR *xdr) +static void blockdev_rereadpt_send_cb (guestfs_h *g, void *data) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct blockdev_rereadpt_ctx *ctx = (struct blockdev_rereadpt_ctx *) data; + + guestfs__switch_to_receiving (g); + ctx->cb_sequence = 1; + ml->main_loop_quit (ml, g); +} + +static void blockdev_rereadpt_reply_cb (guestfs_h *g, void *data, XDR *xdr) { guestfs_main_loop *ml = guestfs_get_main_loop (g); - struct blockdev_rereadpt_state *state = (struct blockdev_rereadpt_state *) data; + struct blockdev_rereadpt_ctx *ctx = (struct blockdev_rereadpt_ctx *) data; - if (!xdr_guestfs_message_header (xdr, &state->hdr)) { - error (g, "guestfs_blockdev_rereadpt: failed to parse reply header"); + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_blockdev_rereadpt"); return; } - if (state->hdr.status == GUESTFS_STATUS_ERROR) { - if (!xdr_guestfs_message_error (xdr, &state->err)) { - error (g, "guestfs_blockdev_rereadpt: failed to parse reply error"); + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_blockdev_rereadpt"); return; } goto done; } done: - state->cb_state = 1; + ctx->cb_sequence = 1000; ml->main_loop_quit (ml, g); } @@ -4501,34 +6117,43 @@ int guestfs_blockdev_rereadpt (guestfs_h *g, const char *device) { struct guestfs_blockdev_rereadpt_args args; - struct blockdev_rereadpt_state state; + struct blockdev_rereadpt_ctx ctx; guestfs_main_loop *ml = guestfs_get_main_loop (g); int serial; if (check_state (g, "guestfs_blockdev_rereadpt") == -1) return -1; - memset (&state, 0, sizeof state); + memset (&ctx, 0, sizeof ctx); args.device = (char *) device; serial = guestfs__send (g, GUESTFS_PROC_BLOCKDEV_REREADPT, - (xdrproc_t) xdr_guestfs_blockdev_rereadpt_args, (char *) &args); + (xdrproc_t) xdr_guestfs_blockdev_rereadpt_args, (char *) &args); if (serial == -1) return -1; - state.cb_state = 0; - guestfs_set_reply_callback (g, blockdev_rereadpt_cb, &state); + ctx.cb_sequence = 0; + guestfs_set_send_callback (g, blockdev_rereadpt_send_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_send_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s send failed, see earlier error messages", "guestfs_blockdev_rereadpt"); + return -1; + } + + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, blockdev_rereadpt_reply_cb, &ctx); (void) ml->main_loop_run (ml, g); guestfs_set_reply_callback (g, NULL, NULL); - if (!state.cb_state) { - error (g, "guestfs_blockdev_rereadpt failed, see earlier error messages"); + if (ctx.cb_sequence != 1000) { + error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_rereadpt"); return -1; } - if (check_reply_header (g, &state.hdr, GUESTFS_PROC_BLOCKDEV_REREADPT, serial) == -1) + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_BLOCKDEV_REREADPT, serial) == -1) return -1; - if (state.hdr.status == GUESTFS_STATUS_ERROR) { - error (g, "%s", state.err.error_message); + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); return -1; } diff --git a/src/guestfs.c b/src/guestfs.c index 89b16e2..47272f2 100644 --- a/src/guestfs.c +++ b/src/guestfs.c @@ -829,14 +829,8 @@ guestfs_launch (guestfs_h *g) goto cleanup3; } - g->sock_watch = - g->main_loop->add_handle (g->main_loop, g, g->sock, - GUESTFS_HANDLE_READABLE, - sock_read_event, NULL); - if (g->sock_watch == -1) { - error (g, "could not watch daemon communications socket"); + if (guestfs__switch_to_receiving (g) == -1) goto cleanup3; - } g->state = LAUNCHING; return 0; @@ -1244,20 +1238,12 @@ sock_write_event (struct guestfs_main_loop *ml, guestfs_h *g, void *data, fprintf (stderr, "sock_write_event: done writing, switching back to reading events\n"); free (g->msg_out); + g->msg_out = NULL; g->msg_out_pos = g->msg_out_size = 0; - if (g->main_loop->remove_handle (g->main_loop, g, g->sock_watch) == -1) { - error (g, "remove_handle failed in sock_write_event"); - return; - } - g->sock_watch = - g->main_loop->add_handle (g->main_loop, g, g->sock, - GUESTFS_HANDLE_READABLE, - sock_read_event, NULL); - if (g->sock_watch == -1) { - error (g, "add_handle failed in sock_write_event"); - return; - } + /* Done writing, call the higher layer. */ + if (g->send_cb) + g->send_cb (g, g->send_cb_data); } void @@ -1380,19 +1366,8 @@ guestfs__send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args) memcpy (g->msg_out + 4, buffer, len); - /* Change the handle to sock_write_event. */ - if (g->main_loop->remove_handle (g->main_loop, g, g->sock_watch) == -1) { - error (g, "remove_handle failed in dispatch"); - goto cleanup1; - } - g->sock_watch = - g->main_loop->add_handle (g->main_loop, g, g->sock, - GUESTFS_HANDLE_WRITABLE, - sock_write_event, NULL); - if (g->sock_watch == -1) { - error (g, "add_handle failed in dispatch"); + if (guestfs__switch_to_sending (g) == -1) goto cleanup1; - } return serial; @@ -1404,6 +1379,55 @@ guestfs__send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args) return -1; } +/* Change the daemon socket handler so that we are now writing. + * This sets the handle to sock_write_event. + */ +int +guestfs__switch_to_sending (guestfs_h *g) +{ + if (g->sock_watch >= 0) { + if (g->main_loop->remove_handle (g->main_loop, g, g->sock_watch) == -1) { + error (g, "remove_handle failed"); + g->sock_watch = -1; + return -1; + } + } + + g->sock_watch = + g->main_loop->add_handle (g->main_loop, g, g->sock, + GUESTFS_HANDLE_WRITABLE, + sock_write_event, NULL); + if (g->sock_watch == -1) { + error (g, "add_handle failed"); + return -1; + } + + return 0; +} + +int +guestfs__switch_to_receiving (guestfs_h *g) +{ + if (g->sock_watch >= 0) { + if (g->main_loop->remove_handle (g->main_loop, g, g->sock_watch) == -1) { + error (g, "remove_handle failed"); + g->sock_watch = -1; + return -1; + } + } + + g->sock_watch = + g->main_loop->add_handle (g->main_loop, g, g->sock, + GUESTFS_HANDLE_READABLE, + sock_read_event, NULL); + if (g->sock_watch == -1) { + error (g, "add_handle failed"); + return -1; + } + + return 0; +} + #if 0 static int cancel = 0; /* XXX Implement file cancellation. */ @@ -1489,19 +1513,8 @@ send_file_chunk (guestfs_h *g, int cancel, const char *buf, size_t len) g->msg_out_size = len; g->msg_out_pos = 0; - /* Change the handle to sock_write_event. */ - if (g->main_loop->remove_handle (g->main_loop, g, g->sock_watch) == -1) { - error (g, "remove_handle failed in dispatch"); + if (guestfs__switch_to_sending (g) == -1) goto cleanup1; - } - g->sock_watch = - g->main_loop->add_handle (g->main_loop, g, g->sock, - GUESTFS_HANDLE_WRITABLE, - sock_write_event, NULL); - if (g->sock_watch == -1) { - error (g, "add_handle failed in dispatch"); - goto cleanup1; - } return 0; diff --git a/src/guestfs.h b/src/guestfs.h index bce035f..39b2687 100644 --- a/src/guestfs.h +++ b/src/guestfs.h @@ -74,6 +74,8 @@ extern char *guestfs_safe_strdup (guestfs_h *g, const char *str); extern void *guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size); extern int guestfs__send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args); +extern int guestfs__switch_to_sending (guestfs_h *g); +extern int guestfs__switch_to_receiving (guestfs_h *g); /* Main loop. */ #define GUESTFS_HANDLE_READABLE 0x1