X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fcontext.c;h=373944c20c2144fd0e0d0ab20a56578f635cc641;hp=5408bc81c942c5ceead7a951b164e8b60c4d46f4;hb=5f0b5523775fe5fe8dcc7c232aa831979a36498c;hpb=20d24215ef299a387abac4850f82359de8a86f4d diff --git a/lib/context.c b/lib/context.c index 5408bc81..373944c2 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) @@ -50,6 +50,7 @@ struct bt_context *bt_context_create(void) g_direct_equal, NULL, (GDestroyNotify) bt_trace_handle_destroy); + ctx->current_iterator = NULL; ctx->tc = g_new0(struct trace_collection, 1); init_trace_collection(ctx->tc); @@ -57,19 +58,40 @@ 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 mmap_stream_list *stream_list, + FILE *metadata) { 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); - if (!td) { - fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n", - path); - return -1; + 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; + } + if (path) { + td = fmt->open_trace(path, O_RDONLY, packet_seek, NULL); + if (!td) { + fprintf(stderr, "[warning] [Context] Cannot open_trace of the format %s .\n\n", + path); + ret = -1; + goto end; + } + } else { + td = fmt->open_mmap_trace(stream_list, packet_seek, metadata); + if (!td) { + fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n", + path); + ret = -1; + goto end; + } } /* Create an handle for the trace */ @@ -77,18 +99,39 @@ 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; strncpy(handle->path, path, PATH_MAX); handle->path[PATH_MAX - 1] = '\0'; + if (fmt->set_handle) + fmt->set_handle(td, handle); + if (fmt->set_context) + fmt->set_context(td, ctx); + /* Add new handle to container */ 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) + goto end; + + ret = fmt->convert_index_timestamp(td); + if (ret < 0) + goto end; + + handle->real_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_REAL); + handle->real_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_REAL); + handle->cycles_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_CYCLES); + handle->cycles_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_CYCLES); + + return handle->id; +end: + return ret; } void bt_context_remove_trace(struct bt_context *ctx, int handle_id) @@ -101,14 +144,13 @@ void bt_context_remove_trace(struct bt_context *ctx, int handle_id) /* Remove from containers */ trace_collection_remove(ctx->tc, handle->td); - g_hash_table_remove(ctx->trace_handles, - (gpointer) (unsigned long) handle_id); - /* Close the trace */ handle->format->close_trace(handle->td); - /* Destory the handle */ - bt_trace_handle_destroy(handle); + /* Remove and free the handle */ + g_hash_table_remove(ctx->trace_handles, + (gpointer) (unsigned long) handle_id); + } static