X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fiterator.c;fp=lib%2Fiterator.c;h=5e8a8ce8bee097059ff1c1d8d92e0f55ab611717;hp=fd58dec99ce45dc4e8a682220d20ebf3a6edb3dc;hb=b587c608bc908920415bc1b1c7d21e809408cf36;hpb=f1f52630ef26bb227cf1e8fedcff9b938d7a2f1e diff --git a/lib/iterator.c b/lib/iterator.c index fd58dec9..5e8a8ce8 100644 --- a/lib/iterator.c +++ b/lib/iterator.c @@ -659,12 +659,60 @@ static int babeltrace_filestream_seek(struct ctf_file_stream *file_stream, return ret; } +int bt_iter_add_trace(struct bt_iter *iter, + struct bt_trace_descriptor *td_read) +{ + struct ctf_trace *tin; + int stream_id, ret; + + 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_declaration *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; + struct bt_iter_pos pos; + + file_stream = g_ptr_array_index(stream->streams, + filenr); + if (!file_stream) + continue; + + pos.type = BT_SEEK_BEGIN; + ret = babeltrace_filestream_seek(file_stream, + &pos, stream_id); + + if (ret == EOF) { + ret = 0; + continue; + } else if (ret != 0 && ret != EAGAIN) { + goto error; + } + /* Add to heap */ + ret = bt_heap_insert(iter->stream_heap, file_stream); + if (ret) + goto error; + } + } + +error: + return ret; +} + int bt_iter_init(struct bt_iter *iter, struct bt_context *ctx, const struct bt_iter_pos *begin_pos, const struct bt_iter_pos *end_pos) { - int i, stream_id; + int i; int ret = 0; if (!iter || !ctx) @@ -685,49 +733,14 @@ int bt_iter_init(struct bt_iter *iter, goto error_heap_init; for (i = 0; i < ctx->tc->array->len; i++) { - struct ctf_trace *tin; struct bt_trace_descriptor *td_read; td_read = g_ptr_array_index(ctx->tc->array, i); if (!td_read) continue; - 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_declaration *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; - struct bt_iter_pos pos; - - file_stream = g_ptr_array_index(stream->streams, - filenr); - if (!file_stream) - continue; - - pos.type = BT_SEEK_BEGIN; - ret = babeltrace_filestream_seek(file_stream, - &pos, stream_id); - - if (ret == EOF) { - ret = 0; - continue; - } else if (ret != 0 && ret != EAGAIN) { - goto error; - } - /* Add to heap */ - ret = bt_heap_insert(iter->stream_heap, file_stream); - if (ret) - goto error; - } - } + ret = bt_iter_add_trace(iter, td_read); + if (ret < 0) + goto error; } ctx->current_iterator = iter;