static
int convert_trace(struct bt_trace_descriptor *td_write,
struct bt_context *ctx)
{
struct bt_ctf_iter *iter;
struct ctf_text_stream_pos *sout;
struct bt_iter_pos *begin_pos = NULL, *end_pos = NULL;
struct bt_ctf_event *ctf_event;
int ret;
sout = container_of(td_write, struct ctf_text_stream_pos,
trace_descriptor);
if (!sout->parent.event_cb) {
return 0;
}
if (opt_stream_intersection) {
iter = bt_ctf_iter_create_intersect(ctx, &begin_pos, &end_pos);
} else {
begin_pos = bt_iter_create_time_pos(NULL, 0);
begin_pos->type = BT_SEEK_BEGIN;
iter = bt_ctf_iter_create(ctx, begin_pos, NULL);
}
if (!iter) {
ret = -1;
goto error_iter;
}
while ((ctf_event = bt_ctf_iter_read_event(iter))) {
ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
if (ret) {
fprintf(stderr, "[error] Writing event failed.\n");
goto end;
}
ret = bt_iter_next(bt_ctf_get_iter(iter));
if (ret < 0) {
goto end;
}
}
ret = 0;
end:
bt_ctf_iter_destroy(iter);
error_iter:
bt_iter_free_pos(begin_pos);
bt_iter_free_pos(end_pos);
return ret;
}
int set_values_position(const LttvTracesetPosition *pos)
{
LttvTracesetPosition previous_pos;
previous_pos.iter = pos->iter;
previous_pos.bt_pos = bt_iter_get_pos(bt_ctf_get_iter(pos->iter));
/* Seek to the new desired position */
lttv_traceset_seek_to_position(pos);
/*Read the event*/
struct bt_ctf_event *event = bt_ctf_iter_read_event(pos->iter);
if(event != NULL){
((LttvTracesetPosition *)pos)->timestamp = bt_ctf_get_timestamp(event);
LttvEvent lttv_event;
lttv_event.bt_event = event;
((LttvTracesetPosition *)pos)->cpu_id = lttv_traceset_get_cpuid_from_event(<tv_event);
}
else {
/* The event is null */
return 0;
}
/* Reassign the previously saved position */
lttv_traceset_seek_to_position(&previous_pos);
/*We must desallocate because the function bt_iter_get_pos() does a g_new */
bt_iter_free_pos(previous_pos.bt_pos);
if (pos->timestamp == G_MAXUINT64) {
return 0;
}
return 1;
}
void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos)
{
bt_iter_free_pos(traceset_pos->bt_pos);
g_free(traceset_pos);
}
