X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=formats%2Fctf%2Fiterator.c;h=e5d32a890b503220a9ecefde2c31ae8464b12030;hb=e83ce12aec89eb2aea94e892e66ba451f281acbd;hp=5b36d168c73aa3c38f30eac48884aa40a798a6a4;hpb=6743ae7d80368d451ba9c4583ae826dc76af0061;p=babeltrace.git diff --git a/formats/ctf/iterator.c b/formats/ctf/iterator.c index 5b36d168..e5d32a89 100644 --- a/formats/ctf/iterator.c +++ b/formats/ctf/iterator.c @@ -17,6 +17,14 @@ * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #include @@ -111,22 +119,43 @@ struct bt_ctf_event *bt_ctf_iter_read_event_flags(struct bt_ctf_iter *iter, */ assert(iter); + if (flags) + *flags = 0; + ret = &iter->current_ctf_event; - file_stream = heap_maximum(iter->parent.stream_heap); + file_stream = bt_heap_maximum(iter->parent.stream_heap); if (!file_stream) { /* end of file for all streams */ goto stop; } + + /* + * If the packet is empty (contains only headers or is of size 0), the + * caller has to know that we can't read the current event and we need + * to do a bt_iter_next. + */ + if (file_stream->pos.data_offset == file_stream->pos.content_size + || file_stream->pos.content_size == 0) { + /* More events may come. */ + ret = NULL; + if (flags) + *flags |= BT_ITER_FLAG_RETRY; + goto end; + } + stream = &file_stream->parent; + if (iter->parent.end_pos && + iter->parent.end_pos->type == BT_SEEK_TIME && + stream->real_timestamp > iter->parent.end_pos->u.seek_time) { + goto stop; + } ret->parent = g_ptr_array_index(stream->events_by_id, stream->event_id); - if (flags) - *flags = 0; - if (!file_stream->pos.packet_cycles_index) + if (!file_stream->pos.packet_index) packet_index = NULL; else - packet_index = &g_array_index(file_stream->pos.packet_cycles_index, + packet_index = &g_array_index(file_stream->pos.packet_index, struct packet_index, file_stream->pos.cur_index); iter->events_lost = 0; if (packet_index && packet_index->events_discarded >