X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fiterator.c;h=2527f89f96934050bc00ec3fd2acc6dffbbb9540;hp=ca6e5917e449b328f6ba0869397297b60d7e4e57;hb=98a0490342a1b8f8841ef52aaaef2cef11782ff1;hpb=e003e87103a3fd72d543ec3191c20df56599b0f5 diff --git a/lib/iterator.c b/lib/iterator.c index ca6e5917..2527f89f 100644 --- a/lib/iterator.c +++ b/lib/iterator.c @@ -29,6 +29,10 @@ #include #include +static int babeltrace_filestream_seek(struct ctf_file_stream *file_stream, + const struct bt_iter_pos *begin_pos, + unsigned long stream_id); + struct stream_saved_pos { /* * Use file_stream pointer to check if the trace collection we @@ -247,6 +251,39 @@ int bt_iter_set_pos(struct bt_iter *iter, const struct bt_iter_pos *iter_pos) goto error; } return 0; + case BT_SEEK_BEGIN: + tc = iter->ctx->tc; + for (i = 0; i < tc->array->len; i++) { + struct ctf_trace *tin; + struct trace_descriptor *td_read; + int stream_id; + + td_read = g_ptr_array_index(tc->array, i); + tin = container_of(td_read, struct ctf_trace, parent); + + /* Populate heap with each stream */ + for (stream_id = 0; stream_id < tin->streams->len; + stream_id++) { + struct ctf_stream_class *stream; + int filenr; + + stream = g_ptr_array_index(tin->streams, + stream_id); + if (!stream) + continue; + for (filenr = 0; filenr < stream->streams->len; + filenr++) { + struct ctf_file_stream *file_stream; + file_stream = g_ptr_array_index( + stream->streams, + filenr); + ret = babeltrace_filestream_seek( + file_stream, iter_pos, + stream_id); + } + } + } + break; default: /* not implemented */ return -EINVAL; @@ -474,14 +511,22 @@ int bt_iter_init(struct bt_iter *iter, filenr); if (begin_pos) { - ret = babeltrace_filestream_seek(file_stream, begin_pos, + ret = babeltrace_filestream_seek( + file_stream, + begin_pos, + stream_id); + } else { + struct bt_iter_pos pos; + pos.type = BT_SEEK_BEGIN; + ret = babeltrace_filestream_seek( + file_stream, &pos, stream_id); - if (ret == EOF) { - ret = 0; - continue; - } else if (ret) { - goto error; - } + } + if (ret == EOF) { + ret = 0; + continue; + } else if (ret) { + goto error; } /* Add to heap */ ret = heap_insert(iter->stream_heap, file_stream);