X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=src%2Fguestfs-actions.c;h=dfca2048b403c767f5db9582eb1302556fac1f0f;hb=6b668620681ada82857e09922a0feb004ee65882;hp=f7f0fb93a08ce2f43bcc8c82f996d2f88f8f7dca;hpb=ca49c50e06834bbc68e21630a5552c57494f2b53;p=libguestfs.git diff --git a/src/guestfs-actions.c b/src/guestfs-actions.c index f7f0fb9..dfca204 100644 --- a/src/guestfs-actions.c +++ b/src/guestfs-actions.c @@ -9709,3 +9709,187 @@ int guestfs_resize2fs (guestfs_h *g, return 0; } +struct find_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 = reply_cb called. + */ + int cb_sequence; + struct guestfs_message_header hdr; + struct guestfs_message_error err; + struct guestfs_find_ret ret; +}; + +static void find_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct find_ctx *ctx = (struct find_ctx *) data; + + /* This should definitely not happen. */ + if (ctx->cb_sequence != 0) { + ctx->cb_sequence = 9999; + error (g, "%s: internal error: reply callback called twice", "guestfs_find"); + return; + } + + ml->main_loop_quit (ml, g); + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_find"); + return; + } + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_find"); + return; + } + goto done; + } + if (!xdr_guestfs_find_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_find"); + return; + } + done: + ctx->cb_sequence = 1; +} + +char **guestfs_find (guestfs_h *g, + const char *directory) +{ + struct guestfs_find_args args; + struct find_ctx ctx; + guestfs_main_loop *ml = guestfs_get_main_loop (g); + int serial; + + if (check_state (g, "guestfs_find") == -1) return NULL; + guestfs_set_busy (g); + + memset (&ctx, 0, sizeof ctx); + + args.directory = (char *) directory; + serial = guestfs__send_sync (g, GUESTFS_PROC_FIND, + (xdrproc_t) xdr_guestfs_find_args, (char *) &args); + if (serial == -1) { + guestfs_end_busy (g); + return NULL; + } + + guestfs__switch_to_receiving (g); + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, find_reply_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_reply_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s reply failed, see earlier error messages", "guestfs_find"); + guestfs_end_busy (g); + return NULL; + } + + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_FIND, serial) == -1) { + guestfs_end_busy (g); + return NULL; + } + + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); + free (ctx.err.error_message); + guestfs_end_busy (g); + return NULL; + } + + guestfs_end_busy (g); + /* caller will free this, but we need to add a NULL entry */ + ctx.ret.names.names_val = + safe_realloc (g, ctx.ret.names.names_val, + sizeof (char *) * (ctx.ret.names.names_len + 1)); + ctx.ret.names.names_val[ctx.ret.names.names_len] = NULL; + return ctx.ret.names.names_val; +} + +struct e2fsck_f_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 = reply_cb called. + */ + int cb_sequence; + struct guestfs_message_header hdr; + struct guestfs_message_error err; +}; + +static void e2fsck_f_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct e2fsck_f_ctx *ctx = (struct e2fsck_f_ctx *) data; + + /* This should definitely not happen. */ + if (ctx->cb_sequence != 0) { + ctx->cb_sequence = 9999; + error (g, "%s: internal error: reply callback called twice", "guestfs_e2fsck_f"); + return; + } + + ml->main_loop_quit (ml, g); + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_e2fsck_f"); + return; + } + if (ctx->hdr.status == GUESTFS_STATUS_ERROR) { + if (!xdr_guestfs_message_error (xdr, &ctx->err)) { + error (g, "%s: failed to parse reply error", "guestfs_e2fsck_f"); + return; + } + goto done; + } + done: + ctx->cb_sequence = 1; +} + +int guestfs_e2fsck_f (guestfs_h *g, + const char *device) +{ + struct guestfs_e2fsck_f_args args; + struct e2fsck_f_ctx ctx; + guestfs_main_loop *ml = guestfs_get_main_loop (g); + int serial; + + if (check_state (g, "guestfs_e2fsck_f") == -1) return -1; + guestfs_set_busy (g); + + memset (&ctx, 0, sizeof ctx); + + args.device = (char *) device; + serial = guestfs__send_sync (g, GUESTFS_PROC_E2FSCK_F, + (xdrproc_t) xdr_guestfs_e2fsck_f_args, (char *) &args); + if (serial == -1) { + guestfs_end_busy (g); + return -1; + } + + guestfs__switch_to_receiving (g); + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, e2fsck_f_reply_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_reply_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1) { + error (g, "%s reply failed, see earlier error messages", "guestfs_e2fsck_f"); + guestfs_end_busy (g); + return -1; + } + + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_E2FSCK_F, serial) == -1) { + guestfs_end_busy (g); + return -1; + } + + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); + free (ctx.err.error_message); + guestfs_end_busy (g); + return -1; + } + + guestfs_end_busy (g); + return 0; +} +