X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fcontext.c;h=1311b5c2a0e684e81d51fb2adf688e3db66bf5d4;hp=5408bc81c942c5ceead7a951b164e8b60c4d46f4;hb=20d0dcf9609dcd28aebe87c167d6600ddbe668d1;hpb=20d24215ef299a387abac4850f82359de8a86f4d diff --git a/lib/context.c b/lib/context.c index 5408bc81..1311b5c2 100644 --- a/lib/context.c +++ b/lib/context.c @@ -26,14 +26,14 @@ #include #include #include +#include #include +#include +#include #include #include /* For O_RDONLY */ -/* TODO ybrosseau: should be hidden in the CTF format */ -#include /* for ctf_move_pos_slow */ - #include struct bt_context *bt_context_create(void) @@ -57,19 +57,28 @@ struct bt_context *bt_context_create(void) } int bt_context_add_trace(struct bt_context *ctx, const char *path, - const char *format_str) + const char *format_name, + void (*packet_seek)(struct stream_pos *pos, size_t index, + int whence)) { struct trace_descriptor *td; struct format *fmt; struct bt_trace_handle *handle; - - fmt = bt_lookup_format(g_quark_from_string(format_str)); - td = fmt->open_trace(path, O_RDONLY, - ctf_move_pos_slow, NULL); + int ret; + + fmt = bt_lookup_format(g_quark_from_string(format_name)); + if (!fmt) { + fprintf(stderr, "[error] [Context] Format \"%s\" unknown.\n\n", + format_name); + ret = -1; + goto end; + } + td = fmt->open_trace(path, O_RDONLY, packet_seek, NULL); if (!td) { fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n", path); - return -1; + ret = -1; + goto end; } /* Create an handle for the trace */ @@ -77,7 +86,8 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path, if (handle < 0) { fprintf(stderr, "[error] [Context] Creating trace handle %s .\n\n", path); - return -1; + ret = -1; + goto end; } handle->format = fmt; handle->td = td; @@ -88,7 +98,11 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path, g_hash_table_insert(ctx->trace_handles, (gpointer) (unsigned long) handle->id, handle); - return trace_collection_add(ctx->tc, td); + ret = trace_collection_add(ctx->tc, td); + if (ret == 0) + return handle->id; +end: + return ret; } void bt_context_remove_trace(struct bt_context *ctx, int handle_id)