X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=src%2Fguestfs-actions.c;h=e143c27bf61ac08ffa2a675f8d48c954ad8f98e3;hb=b86d7b975629ae099ad9a137ced6f23b17c1531a;hp=ae8afcfcf9148fe148147ed0216a36c2a79796ee;hpb=79cdf81e2fb717ea4372a55170d16800cdbddf23;p=libguestfs.git diff --git a/src/guestfs-actions.c b/src/guestfs-actions.c index ae8afcf..e143c27 100644 --- a/src/guestfs-actions.c +++ b/src/guestfs-actions.c @@ -6389,3 +6389,91 @@ int guestfs_mount_vfs (guestfs_h *g, return 0; } +struct debug_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, + * 1001 = reply called. + */ + int cb_sequence; + struct guestfs_message_header hdr; + struct guestfs_message_error err; + struct guestfs_debug_ret ret; +}; + +static void debug_reply_cb (guestfs_h *g, void *data, XDR *xdr) +{ + guestfs_main_loop *ml = guestfs_get_main_loop (g); + struct debug_ctx *ctx = (struct debug_ctx *) data; + + ml->main_loop_quit (ml, g); + + if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) { + error (g, "%s: failed to parse reply header", "guestfs_debug"); + 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_debug"); + return; + } + goto done; + } + if (!xdr_guestfs_debug_ret (xdr, &ctx->ret)) { + error (g, "%s: failed to parse reply", "guestfs_debug"); + return; + } + done: + ctx->cb_sequence = 1001; +} + +char *guestfs_debug (guestfs_h *g, + const char *subcmd, + char * const* const extraargs) +{ + struct guestfs_debug_args args; + struct debug_ctx ctx; + guestfs_main_loop *ml = guestfs_get_main_loop (g); + int serial; + + if (check_state (g, "guestfs_debug") == -1) return NULL; + guestfs_set_busy (g); + + memset (&ctx, 0, sizeof ctx); + + args.subcmd = (char *) subcmd; + args.extraargs.extraargs_val = (char **) extraargs; + for (args.extraargs.extraargs_len = 0; extraargs[args.extraargs.extraargs_len]; args.extraargs.extraargs_len++) ; + serial = guestfs__send_sync (g, GUESTFS_PROC_DEBUG, + (xdrproc_t) xdr_guestfs_debug_args, (char *) &args); + if (serial == -1) { + guestfs_set_ready (g); + return NULL; + } + + guestfs__switch_to_receiving (g); + ctx.cb_sequence = 0; + guestfs_set_reply_callback (g, debug_reply_cb, &ctx); + (void) ml->main_loop_run (ml, g); + guestfs_set_reply_callback (g, NULL, NULL); + if (ctx.cb_sequence != 1001) { + error (g, "%s reply failed, see earlier error messages", "guestfs_debug"); + guestfs_set_ready (g); + return NULL; + } + + if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_DEBUG, serial) == -1) { + guestfs_set_ready (g); + return NULL; + } + + if (ctx.hdr.status == GUESTFS_STATUS_ERROR) { + error (g, "%s", ctx.err.error_message); + guestfs_set_ready (g); + return NULL; + } + + guestfs_set_ready (g); + return ctx.ret.result; /* caller will free */ +} +