}
static
-struct lttng_live_trace *lttng_live_find_trace(struct lttng_live_session *session,
+struct lttng_live_trace *lttng_live_session_borrow_trace_by_id(struct lttng_live_session *session,
uint64_t trace_id)
{
uint64_t trace_idx;
trace->stream_iterators = g_ptr_array_new_with_free_func(
(GDestroyNotify) lttng_live_stream_iterator_destroy);
BT_ASSERT(trace->stream_iterators);
- trace->new_metadata_needed = true;
+ trace->metadata_stream_state = LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED;
g_ptr_array_add(session->traces, trace);
goto end;
}
BT_HIDDEN
-struct lttng_live_trace *lttng_live_borrow_trace(
+struct lttng_live_trace *lttng_live_session_borrow_or_create_trace_by_id(
struct lttng_live_session *session, uint64_t trace_id)
{
struct lttng_live_trace *trace;
- trace = lttng_live_find_trace(session, trace_id);
+ trace = lttng_live_session_borrow_trace_by_id(session, trace_id);
if (trace) {
goto end;
}
"session-id=%"PRIu64", session-name=\"%s\"",
session->id, session->session_name->str);
if (session->id != -1ULL) {
- if (lttng_live_detach_session(session)) {
+ if (lttng_live_session_detach(session)) {
if (!lttng_live_graph_is_canceled(
session->lttng_live_msg_iter)) {
/* Old relayd cannot detach sessions. */
enum lttng_live_stream_state orig_state = lttng_live_stream->state;
struct packet_index index;
- if (lttng_live_stream->trace->new_metadata_needed) {
+ if (lttng_live_stream->trace->metadata_stream_state ==
+ LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED) {
ret = LTTNG_LIVE_ITERATOR_STATUS_CONTINUE;
goto end;
}
if (!session->attached) {
enum lttng_live_viewer_status attach_status =
- lttng_live_attach_session(session,
+ lttng_live_session_attach(session,
lttng_live_msg_iter->self_msg_iter);
if (attach_status != LTTNG_LIVE_VIEWER_STATUS_OK) {
if (lttng_live_graph_is_canceled(lttng_live_msg_iter)) {
}
}
- status = lttng_live_get_new_streams(session,
+ status = lttng_live_session_get_new_streams(session,
lttng_live_msg_iter->self_msg_iter);
if (status != LTTNG_LIVE_ITERATOR_STATUS_OK &&
status != LTTNG_LIVE_ITERATOR_STATUS_END) {
status = lttng_live_metadata_update(trace);
switch (status) {
+ case LTTNG_LIVE_ITERATOR_STATUS_END:
case LTTNG_LIVE_ITERATOR_STATUS_OK:
trace_idx++;
break;
- case LTTNG_LIVE_ITERATOR_STATUS_END:
- /*
- * The trace has ended. Remove it of the array an
- * continue the iteration.
- * We can remove the trace safely when using the
- * g_ptr_array_remove_index_fast because it replaces
- * the element at trace_idx with the array's last
- * element. trace_idx is not incremented because of
- * that.
- */
- (void) g_ptr_array_remove_index_fast(session->traces,
- trace_idx);
- break;
+ case LTTNG_LIVE_ITERATOR_STATUS_CONTINUE:
+ case LTTNG_LIVE_ITERATOR_STATUS_AGAIN:
+ goto end;
default:
BT_COMP_LOGE_APPEND_CAUSE(self_comp,
"Error updating trace metadata: "
return status;
}
-BT_HIDDEN
-void lttng_live_need_new_streams(struct lttng_live_msg_iter *lttng_live_msg_iter)
-{
- uint64_t session_idx;
-
- for (session_idx = 0; session_idx < lttng_live_msg_iter->sessions->len;
- session_idx++) {
- struct lttng_live_session *session =
- g_ptr_array_index(lttng_live_msg_iter->sessions, session_idx);
- session->new_streams_needed = true;
- }
-}
-
static
void lttng_live_force_new_streams_and_metadata(struct lttng_live_msg_iter *lttng_live_msg_iter)
{
trace_idx++) {
struct lttng_live_trace *trace =
g_ptr_array_index(session->traces, trace_idx);
- trace->new_metadata_needed = true;
+
+ BT_ASSERT(trace->metadata_stream_state !=
+ LTTNG_LIVE_METADATA_STREAM_STATE_CLOSED);
+
+ trace->metadata_stream_state = LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED;
}
}
}
enum lttng_live_iterator_status emit_inactivity_message(
struct lttng_live_msg_iter *lttng_live_msg_iter,
struct lttng_live_stream_iterator *stream_iter,
- bt_message **message, uint64_t timestamp)
+ const bt_message **message, uint64_t timestamp)
{
enum lttng_live_iterator_status ret = LTTNG_LIVE_ITERATOR_STATUS_OK;
bt_logging_level log_level = lttng_live_msg_iter->log_level;
enum lttng_live_iterator_status lttng_live_iterator_next_handle_one_quiescent_stream(
struct lttng_live_msg_iter *lttng_live_msg_iter,
struct lttng_live_stream_iterator *lttng_live_stream,
- bt_message **message)
+ const bt_message **message)
{
enum lttng_live_iterator_status ret = LTTNG_LIVE_ITERATOR_STATUS_OK;
enum lttng_live_iterator_status lttng_live_iterator_next_handle_one_active_data_stream(
struct lttng_live_msg_iter *lttng_live_msg_iter,
struct lttng_live_stream_iterator *lttng_live_stream,
- bt_message **message)
+ const bt_message **message)
{
enum lttng_live_iterator_status ret = LTTNG_LIVE_ITERATOR_STATUS_OK;
bt_logging_level log_level = lttng_live_msg_iter->log_level;
trace_idx++) {
struct lttng_live_trace *trace =
g_ptr_array_index(session->traces, trace_idx);
- if (trace->new_metadata_needed) {
+ if (trace->metadata_stream_state == LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED) {
ret = LTTNG_LIVE_ITERATOR_STATUS_CONTINUE;
goto end;
}
*/
ret = LTTNG_LIVE_ITERATOR_STATUS_CONTINUE;
break;
- case CTF_MSG_ITER_STATUS_INVAL:
- /* No argument provided by the user, so don't return INVAL. */
case CTF_MSG_ITER_STATUS_ERROR:
default:
ret = LTTNG_LIVE_ITERATOR_STATUS_ERROR;
enum lttng_live_iterator_status lttng_live_iterator_close_stream(
struct lttng_live_msg_iter *lttng_live_msg_iter,
struct lttng_live_stream_iterator *stream_iter,
- bt_message **curr_msg)
+ const bt_message **curr_msg)
{
enum lttng_live_iterator_status live_status =
LTTNG_LIVE_ITERATOR_STATUS_OK;
enum lttng_live_iterator_status lttng_live_iterator_next_msg_on_stream(
struct lttng_live_msg_iter *lttng_live_msg_iter,
struct lttng_live_stream_iterator *stream_iter,
- bt_message **curr_msg)
+ const bt_message **curr_msg)
{
bt_logging_level log_level = lttng_live_msg_iter->log_level;
bt_self_component *self_comp = lttng_live_msg_iter->self_comp;
* iterator get it.
*/
while (!stream_iter->current_msg) {
- bt_message *msg = NULL;
+ const bt_message *msg = NULL;
int64_t curr_msg_ts_ns = INT64_MAX;
stream_iter_status = lttng_live_iterator_next_msg_on_stream(
lttng_live_msg_iter, stream_iter, &msg);
}
BT_HIDDEN
-bt_component_class_message_iterator_next_method_status lttng_live_msg_iter_next(
+bt_message_iterator_class_next_method_status lttng_live_msg_iter_next(
bt_self_message_iterator *self_msg_it,
bt_message_array_const msgs, uint64_t capacity,
uint64_t *count)
{
- bt_component_class_message_iterator_next_method_status status;
+ bt_message_iterator_class_next_method_status status;
enum lttng_live_viewer_status viewer_status;
struct lttng_live_msg_iter *lttng_live_msg_iter =
bt_self_message_iterator_get_data(self_msg_it);
* is to prevent other graph users from using this live
* iterator in an messed up internal state.
*/
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
BT_COMP_LOGE_APPEND_CAUSE(self_comp,
"Message iterator was interrupted during a previous call to the `next()` and currently does not support continuing after such event.");
goto end;
if (lttng_live_msg_iter->sessions->len == 0) {
if (lttng_live->params.sess_not_found_act !=
SESSION_NOT_FOUND_ACTION_CONTINUE) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
goto end;
} else {
/*
viewer_status = lttng_live_create_viewer_session(lttng_live_msg_iter);
if (viewer_status != LTTNG_LIVE_VIEWER_STATUS_OK) {
if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_ERROR) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
BT_COMP_LOGE_APPEND_CAUSE(self_comp,
"Error creating LTTng live viewer session");
} else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_AGAIN;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
} else {
bt_common_abort();
}
* doesn't support restarting after an interruption.
*/
if (*count > 0) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
} else {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_AGAIN;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
}
break;
case LTTNG_LIVE_ITERATOR_STATUS_END:
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
break;
case LTTNG_LIVE_ITERATOR_STATUS_NOMEM:
BT_COMP_LOGE_APPEND_CAUSE(self_comp,
"Memory error preparing the next batch of messages: "
"live-iter-status=%s",
lttng_live_iterator_status_string(stream_iter_status));
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
break;
case LTTNG_LIVE_ITERATOR_STATUS_ERROR:
case LTTNG_LIVE_ITERATOR_STATUS_INVAL:
"live-iter-status=%s",
lttng_live_iterator_status_string(stream_iter_status));
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
/* Put all existing messages on error. */
put_messages(msgs, *count);
break;
}
BT_HIDDEN
-bt_component_class_message_iterator_initialize_method_status lttng_live_msg_iter_init(
+bt_message_iterator_class_initialize_method_status lttng_live_msg_iter_init(
bt_self_message_iterator *self_msg_it,
bt_self_message_iterator_configuration *config,
- bt_self_component_source *self_comp_src,
+ bt_self_component *self_comp,
bt_self_component_port_output *self_port)
{
- bt_component_class_message_iterator_initialize_method_status status;
- bt_self_component *self_comp =
- bt_self_component_source_as_self_component(self_comp_src);
+ bt_message_iterator_class_initialize_method_status status;
struct lttng_live_component *lttng_live;
struct lttng_live_msg_iter *lttng_live_msg_iter;
enum lttng_live_viewer_status viewer_status;
lttng_live_msg_iter = lttng_live_msg_iter_create(lttng_live,
self_msg_it);
if (!lttng_live_msg_iter) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
BT_COMP_LOGE_APPEND_CAUSE(self_comp,
"Failed to create lttng_live_msg_iter");
goto error;
}
bt_self_message_iterator_set_data(self_msg_it, lttng_live_msg_iter);
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
goto end;
error:
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
lttng_live_msg_iter_destroy(lttng_live_msg_iter);
end:
return status;
projects / babeltrace.git / blobdiff