#include <stdlib.h>
#include <babeltrace/babeltrace.h>
-#include <babeltrace/callbacks-internal.h>
#include <babeltrace/context.h>
#include <babeltrace/context-internal.h>
#include <babeltrace/iterator-internal.h>
for (i = 0; i < stream_pos->packet_index->len; i++) {
index = &g_array_index(stream_pos->packet_index,
struct packet_index, i);
- if (index->timestamp_begin >= timestamp ||
- index->timestamp_end <= timestamp)
+ if (index->timestamp_end <= timestamp)
continue;
stream_pos->packet_seek(&stream_pos->parent, i, SEEK_SET);
switch (iter_pos->type) {
case BT_SEEK_RESTORE:
if (!iter_pos->u.restore)
- goto error_arg;
+ return -EINVAL;
heap_free(iter->stream_heap);
ret = heap_init(iter->stream_heap, 0, stream_compare);
case BT_SEEK_TIME:
tc = iter->ctx->tc;
- if (!iter_pos->u.seek_time)
- goto error_arg;
-
heap_free(iter->stream_heap);
ret = heap_init(iter->stream_heap, 0, stream_compare);
if (ret < 0)
return 0;
default:
/* not implemented */
- goto error_arg;
+ return -EINVAL;
}
return 0;
-error_arg:
- ret = -EINVAL;
error:
heap_free(iter->stream_heap);
if (heap_init(iter->stream_heap, 0, stream_compare) < 0) {
int bt_iter_init(struct bt_iter *iter,
struct bt_context *ctx,
- struct bt_iter_pos *begin_pos,
- struct bt_iter_pos *end_pos)
+ const struct bt_iter_pos *begin_pos,
+ const struct bt_iter_pos *end_pos)
{
int i, stream_id;
int ret = 0;
+ if (ctx->current_iterator) {
+ ret = -1;
+ goto error_ctx;
+ }
+
iter->stream_heap = g_new(struct ptr_heap, 1);
iter->end_pos = end_pos;
- iter->callbacks = g_array_new(0, 1, sizeof(struct bt_stream_callbacks));
- iter->recalculate_dep_graph = 0;
- iter->main_callbacks.callback = NULL;
- iter->dep_gc = g_ptr_array_new();
bt_context_get(ctx);
iter->ctx = ctx;
filenr);
if (begin_pos) {
- ret = babeltrace_filestream_seek(file_stream, begin_pos,
+ ret = babeltrace_filestream_seek(
+ file_stream,
+ begin_pos,
stream_id);
- if (ret == EOF) {
- ret = 0;
- continue;
- } else if (ret) {
- goto error;
- }
+ } 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;
}
/* Add to heap */
ret = heap_insert(iter->stream_heap, file_stream);
}
}
+ ctx->current_iterator = iter;
return 0;
error:
heap_free(iter->stream_heap);
error_heap_init:
g_free(iter->stream_heap);
+error_ctx:
return ret;
}
struct bt_iter *bt_iter_create(struct bt_context *ctx,
- struct bt_iter_pos *begin_pos,
- struct bt_iter_pos *end_pos)
+ const struct bt_iter_pos *begin_pos,
+ const struct bt_iter_pos *end_pos)
{
struct bt_iter *iter;
int ret;
void bt_iter_fini(struct bt_iter *iter)
{
- struct bt_stream_callbacks *bt_stream_cb;
- struct bt_callback_chain *bt_chain;
- int i, j;
-
if (iter->stream_heap) {
heap_free(iter->stream_heap);
g_free(iter->stream_heap);
}
-
- /* free all events callbacks */
- if (iter->main_callbacks.callback)
- g_array_free(iter->main_callbacks.callback, TRUE);
-
- /* free per-event callbacks */
- for (i = 0; i < iter->callbacks->len; i++) {
- bt_stream_cb = &g_array_index(iter->callbacks,
- struct bt_stream_callbacks, i);
- if (!bt_stream_cb || !bt_stream_cb->per_id_callbacks)
- continue;
- for (j = 0; j < bt_stream_cb->per_id_callbacks->len; j++) {
- bt_chain = &g_array_index(bt_stream_cb->per_id_callbacks,
- struct bt_callback_chain, j);
- if (bt_chain->callback) {
- g_array_free(bt_chain->callback, TRUE);
- }
- }
- g_array_free(bt_stream_cb->per_id_callbacks, TRUE);
- }
-
+ iter->ctx->current_iterator = NULL;
bt_context_put(iter->ctx);
}