X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fcontext.c;h=e2c1739c41ff548a21ae13a3e62f983779590e5b;hp=32efb85db0f57b81c65dafee81d56e97c4926dee;hb=09349576c27925daab50630bff7d219eebc8df98;hpb=282e19520f9e89533e17a343f0809981e41530c8 diff --git a/lib/context.c b/lib/context.c index 32efb85d..e2c1739c 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); @@ -57,7 +58,11 @@ struct bt_context *bt_context_create(void) } int bt_context_add_trace(struct bt_context *ctx, const char *path, - const char *format_name) + 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; @@ -71,13 +76,22 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path, ret = -1; goto end; } - 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); - 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 */ @@ -90,16 +104,34 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path, } handle->format = fmt; handle->td = td; - strncpy(handle->path, path, PATH_MAX); - handle->path[PATH_MAX - 1] = '\0'; + if (path) { + 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); ret = trace_collection_add(ctx->tc, td); - if (ret == 0) - return handle->id; + 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; } @@ -114,14 +146,13 @@ 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