bt_self_component_sink_configuration *,
const bt_value *params, void *)
{
- bt_component_class_initialize_method_status status;
- bt_self_component_add_port_status add_port_status;
- struct fs_sink_comp *fs_sink = NULL;
- bt_self_component *self_comp = bt_self_component_sink_as_self_component(self_comp_sink);
-
- fs_sink = new fs_sink_comp {bt2::SelfSinkComponent {self_comp_sink}};
- fs_sink->output_dir_path = g_string_new(NULL);
- status = configure_component(fs_sink, params);
- if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
- /* configure_component() logs errors */
- goto end;
- }
+ try {
+ bt_component_class_initialize_method_status status;
+ bt_self_component_add_port_status add_port_status;
+ struct fs_sink_comp *fs_sink = NULL;
+ bt_self_component *self_comp = bt_self_component_sink_as_self_component(self_comp_sink);
+
+ fs_sink = new fs_sink_comp {bt2::SelfSinkComponent {self_comp_sink}};
+ fs_sink->output_dir_path = g_string_new(NULL);
+ status = configure_component(fs_sink, params);
+ if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
+ /* configure_component() logs errors */
+ goto end;
+ }
- if (fs_sink->assume_single_trace &&
- g_file_test(fs_sink->output_dir_path->str, G_FILE_TEST_EXISTS)) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(
- fs_sink->logger, "Single trace mode, but output path exists: output-path=\"{}\"",
- fs_sink->output_dir_path->str);
- status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
- goto end;
- }
+ if (fs_sink->assume_single_trace &&
+ g_file_test(fs_sink->output_dir_path->str, G_FILE_TEST_EXISTS)) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(
+ fs_sink->logger, "Single trace mode, but output path exists: output-path=\"{}\"",
+ fs_sink->output_dir_path->str);
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ goto end;
+ }
- status = ensure_output_dir_exists(fs_sink);
- if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
- /* ensure_output_dir_exists() logs errors */
- goto end;
- }
+ status = ensure_output_dir_exists(fs_sink);
+ if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
+ /* ensure_output_dir_exists() logs errors */
+ goto end;
+ }
- fs_sink->traces = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL,
- (GDestroyNotify) fs_sink_trace_destroy);
- if (!fs_sink->traces) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to allocate one GHashTable.");
- status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
- goto end;
- }
+ fs_sink->traces = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL,
+ (GDestroyNotify) fs_sink_trace_destroy);
+ if (!fs_sink->traces) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to allocate one GHashTable.");
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ goto end;
+ }
- add_port_status =
- bt_self_component_sink_add_input_port(self_comp_sink, in_port_name, NULL, NULL);
- if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
- status = (bt_component_class_initialize_method_status) add_port_status;
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to add input port.");
- goto end;
- }
+ add_port_status =
+ bt_self_component_sink_add_input_port(self_comp_sink, in_port_name, NULL, NULL);
+ if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
+ status = (bt_component_class_initialize_method_status) add_port_status;
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to add input port.");
+ goto end;
+ }
- bt_self_component_set_data(self_comp, fs_sink);
+ bt_self_component_set_data(self_comp, fs_sink);
end:
- if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
- destroy_fs_sink_comp(fs_sink);
- }
+ if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
+ destroy_fs_sink_comp(fs_sink);
+ }
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ }
}
static inline struct fs_sink_stream *borrow_stream(struct fs_sink_comp *fs_sink,
static inline bt_component_class_sink_consume_method_status
handle_event_msg(struct fs_sink_comp *fs_sink, const bt_message *msg)
{
- int ret;
- bt_component_class_sink_consume_method_status status =
- BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
- const bt_event *ir_event = bt_message_event_borrow_event_const(msg);
- const bt_stream *ir_stream = bt_event_borrow_stream_const(ir_event);
- struct fs_sink_stream *stream;
- struct fs_sink_ctf_event_class *ec = NULL;
- const bt_clock_snapshot *cs = NULL;
-
- stream = borrow_stream(fs_sink, ir_stream);
- if (G_UNLIKELY(!stream)) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to borrow stream.");
- status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
- goto end;
- }
+ try {
+ int ret;
+ bt_component_class_sink_consume_method_status status =
+ BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
+ const bt_event *ir_event = bt_message_event_borrow_event_const(msg);
+ const bt_stream *ir_stream = bt_event_borrow_stream_const(ir_event);
+ struct fs_sink_stream *stream;
+ struct fs_sink_ctf_event_class *ec = NULL;
+ const bt_clock_snapshot *cs = NULL;
+
+ stream = borrow_stream(fs_sink, ir_stream);
+ if (G_UNLIKELY(!stream)) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to borrow stream.");
+ status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ goto end;
+ }
- ret = try_translate_event_class_trace_ir_to_ctf_ir(fs_sink, stream->sc,
- bt_event_borrow_class_const(ir_event), &ec);
- if (ret) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to translate event class to CTF IR.");
- status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
- goto end;
- }
+ ret = try_translate_event_class_trace_ir_to_ctf_ir(
+ fs_sink, stream->sc, bt_event_borrow_class_const(ir_event), &ec);
+ if (ret) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger,
+ "Failed to translate event class to CTF IR.");
+ status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ goto end;
+ }
- BT_ASSERT_DBG(ec);
+ BT_ASSERT_DBG(ec);
- if (stream->sc->default_clock_class) {
- cs = bt_message_event_borrow_default_clock_snapshot_const(msg);
- }
+ if (stream->sc->default_clock_class) {
+ cs = bt_message_event_borrow_default_clock_snapshot_const(msg);
+ }
- /*
+ /*
* If this event's stream does not support packets, then we
* lazily create artificial packets.
*
* comes the time to write a new event and the packet's content
* size is >= 4 MiB), except the last one which can be smaller.
*/
- if (G_UNLIKELY(!stream->sc->has_packets)) {
- if (stream->packet_state.is_open &&
- bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser) / 8 >= 4 * 1024 * 1024) {
- /*
+ if (G_UNLIKELY(!stream->sc->has_packets)) {
+ if (stream->packet_state.is_open &&
+ bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser) / 8 >=
+ 4 * 1024 * 1024) {
+ /*
* Stream's current packet is larger than 4 MiB:
* close it. A new packet will be opened just
* below.
*/
- ret = fs_sink_stream_close_packet(stream, NULL);
- if (ret) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to close packet.");
- status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
- goto end;
+ ret = fs_sink_stream_close_packet(stream, NULL);
+ if (ret) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to close packet.");
+ status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ goto end;
+ }
}
- }
- if (!stream->packet_state.is_open) {
- /* Stream's packet is not currently opened: open it */
- ret = fs_sink_stream_open_packet(stream, NULL, NULL);
- if (ret) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to open packet.");
- status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
- goto end;
+ if (!stream->packet_state.is_open) {
+ /* Stream's packet is not currently opened: open it */
+ ret = fs_sink_stream_open_packet(stream, NULL, NULL);
+ if (ret) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to open packet.");
+ status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ goto end;
+ }
}
}
- }
- BT_ASSERT_DBG(stream->packet_state.is_open);
- ret = fs_sink_stream_write_event(stream, cs, ir_event, ec);
- if (G_UNLIKELY(ret)) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to write event.");
- status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
- goto end;
- }
+ BT_ASSERT_DBG(stream->packet_state.is_open);
+ ret = fs_sink_stream_write_event(stream, cs, ir_event, ec);
+ if (G_UNLIKELY(ret)) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to write event.");
+ status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ goto end;
+ }
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
+ }
}
static inline bt_component_class_sink_consume_method_status
bt_component_class_sink_graph_is_configured_method_status
ctf_fs_sink_graph_is_configured(bt_self_component_sink *self_comp)
{
- bt_component_class_sink_graph_is_configured_method_status status;
- bt_message_iterator_create_from_sink_component_status msg_iter_status;
- fs_sink_comp *fs_sink = (fs_sink_comp *) bt_self_component_get_data(
- bt_self_component_sink_as_self_component(self_comp));
-
- msg_iter_status = bt_message_iterator_create_from_sink_component(
- self_comp, bt_self_component_sink_borrow_input_port_by_name(self_comp, in_port_name),
- &fs_sink->upstream_iter);
- if (msg_iter_status != BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK) {
- status = (bt_component_class_sink_graph_is_configured_method_status) msg_iter_status;
- BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to create upstream iterator.");
- goto end;
- }
+ try {
+ bt_component_class_sink_graph_is_configured_method_status status;
+ bt_message_iterator_create_from_sink_component_status msg_iter_status;
+ fs_sink_comp *fs_sink = (fs_sink_comp *) bt_self_component_get_data(
+ bt_self_component_sink_as_self_component(self_comp));
+
+ msg_iter_status = bt_message_iterator_create_from_sink_component(
+ self_comp, bt_self_component_sink_borrow_input_port_by_name(self_comp, in_port_name),
+ &fs_sink->upstream_iter);
+ if (msg_iter_status != BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK) {
+ status = (bt_component_class_sink_graph_is_configured_method_status) msg_iter_status;
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(fs_sink->logger, "Failed to create upstream iterator.");
+ goto end;
+ }
- status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
+ status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2c::Error&) {
+ return BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_ERROR;
+ }
}
void ctf_fs_sink_finalize(bt_self_component_sink *self_comp)
ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs,
uint64_t capacity, uint64_t *count)
{
- bt_message_iterator_class_next_method_status status;
- struct ctf_fs_msg_iter_data *msg_iter_data =
- (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator);
- uint64_t i = 0;
+ try {
+ bt_message_iterator_class_next_method_status status;
+ struct ctf_fs_msg_iter_data *msg_iter_data =
+ (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator);
+ uint64_t i = 0;
- if (G_UNLIKELY(msg_iter_data->next_saved_error)) {
- /*
+ if (G_UNLIKELY(msg_iter_data->next_saved_error)) {
+ /*
* Last time we were called, we hit an error but had some
* messages to deliver, so we stashed the error here. Return
* it now.
*/
- BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error);
- status = msg_iter_data->next_saved_status;
- goto end;
- }
-
- do {
- status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
- if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
- i++;
+ BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error);
+ status = msg_iter_data->next_saved_status;
+ goto end;
}
- } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK);
- if (i > 0) {
- /*
+ do {
+ status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
+ if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
+ i++;
+ }
+ } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK);
+
+ if (i > 0) {
+ /*
* Even if ctf_fs_iterator_next_one() returned something
* else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
* accumulated message objects in the output
* called, possibly without any accumulated
* message, in which case we'll return it.
*/
- if (status < 0) {
- /*
+ if (status < 0) {
+ /*
* Save this error for the next _next call. Assume that
* this component always appends error causes when
* returning an error status code, which will cause the
* current thread error to be non-NULL.
*/
- msg_iter_data->next_saved_error = bt_current_thread_take_error();
- BT_ASSERT(msg_iter_data->next_saved_error);
- msg_iter_data->next_saved_status = status;
- }
+ msg_iter_data->next_saved_error = bt_current_thread_take_error();
+ BT_ASSERT(msg_iter_data->next_saved_error);
+ msg_iter_data->next_saved_status = status;
+ }
- *count = i;
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
- }
+ *count = i;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
+ }
end:
- return status;
+ return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ }
}
bt_message_iterator_class_seek_beginning_method_status
ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it)
{
- struct ctf_fs_msg_iter_data *msg_iter_data =
- (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it);
+ try {
+ struct ctf_fs_msg_iter_data *msg_iter_data =
+ (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it);
- BT_ASSERT(msg_iter_data);
+ BT_ASSERT(msg_iter_data);
- ctf_msg_iter_reset(msg_iter_data->msg_iter);
- ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data);
+ ctf_msg_iter_reset(msg_iter_data->msg_iter);
+ ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data);
- return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK;
+ return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK;
+ } catch (const std::bad_alloc&) {
+ return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_ERROR;
+ }
}
void ctf_fs_iterator_finalize(bt_self_message_iterator *it)
bt_self_message_iterator_configuration *config,
bt_self_component_port_output *self_port)
{
- struct ctf_fs_port_data *port_data;
- bt_message_iterator_class_initialize_method_status status;
- enum ctf_msg_iter_medium_status medium_status;
-
- port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data(
- bt_self_component_port_output_as_self_component_port(self_port));
- BT_ASSERT(port_data);
-
- ctf_fs_msg_iter_data *msg_iter_data = new ctf_fs_msg_iter_data {self_msg_iter};
- msg_iter_data->ds_file_group = port_data->ds_file_group;
-
- medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, self_msg_iter,
- msg_iter_data->logger,
- &msg_iter_data->msg_iter_medops_data);
- BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK ||
- medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR ||
- medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR);
- if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger,
- "Failed to create ctf_fs_ds_group_medops");
- status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status);
- goto error;
- }
+ try {
+ struct ctf_fs_port_data *port_data;
+ bt_message_iterator_class_initialize_method_status status;
+ enum ctf_msg_iter_medium_status medium_status;
+
+ port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data(
+ bt_self_component_port_output_as_self_component_port(self_port));
+ BT_ASSERT(port_data);
+
+ ctf_fs_msg_iter_data *msg_iter_data = new ctf_fs_msg_iter_data {self_msg_iter};
+ msg_iter_data->ds_file_group = port_data->ds_file_group;
+
+ medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group,
+ self_msg_iter, msg_iter_data->logger,
+ &msg_iter_data->msg_iter_medops_data);
+ BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK ||
+ medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR ||
+ medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR);
+ if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger,
+ "Failed to create ctf_fs_ds_group_medops");
+ status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status);
+ goto error;
+ }
- msg_iter_data->msg_iter = ctf_msg_iter_create(
- msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc,
- bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8,
- ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data, self_msg_iter,
- msg_iter_data->logger);
- if (!msg_iter_data->msg_iter) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger,
- "Cannot create a CTF message iterator.");
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
- goto error;
- }
+ msg_iter_data->msg_iter = ctf_msg_iter_create(
+ msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc,
+ bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8,
+ ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data, self_msg_iter,
+ msg_iter_data->logger);
+ if (!msg_iter_data->msg_iter) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger,
+ "Cannot create a CTF message iterator.");
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ goto error;
+ }
- /*
+ /*
* This iterator can seek forward if its stream class has a default
* clock class.
*/
- if (msg_iter_data->ds_file_group->sc->default_clock_class) {
- bt_self_message_iterator_configuration_set_can_seek_forward(config, true);
- }
+ if (msg_iter_data->ds_file_group->sc->default_clock_class) {
+ bt_self_message_iterator_configuration_set_can_seek_forward(config, true);
+ }
- bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data);
- msg_iter_data = NULL;
+ bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data);
+ msg_iter_data = NULL;
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
- goto end;
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
+ goto end;
error:
- bt_self_message_iterator_set_data(self_msg_iter, NULL);
+ bt_self_message_iterator_set_data(self_msg_iter, NULL);
end:
- ctf_fs_msg_iter_data_destroy(msg_iter_data);
- return status;
+ ctf_fs_msg_iter_data_destroy(msg_iter_data);
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ }
}
static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
bt_self_component_source_configuration *,
const bt_value *params, void *)
{
- struct ctf_fs_component *ctf_fs;
- bt_component_class_initialize_method_status ret =
- BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
+ try {
+ struct ctf_fs_component *ctf_fs;
+ bt_component_class_initialize_method_status ret =
+ BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
+
+ ctf_fs = ctf_fs_create(params, self_comp_src);
+ if (!ctf_fs) {
+ ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ }
- ctf_fs = ctf_fs_create(params, self_comp_src);
- if (!ctf_fs) {
- ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ return ret;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
}
-
- return ret;
}
bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class_src,
__attribute__((unused)) void *method_data,
const bt_value **result)
{
- bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
-
- bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src},
- bt2::PrivateQueryExecutor {priv_query_exec}, "PLUGIN/SRC.CTF.FS/QUERY"};
-
- if (strcmp(object, "metadata-info") == 0) {
- status = metadata_info_query(params, logger, result);
- } else if (strcmp(object, "babeltrace.trace-infos") == 0) {
- status = trace_infos_query(params, logger, result);
- } else if (!strcmp(object, "babeltrace.support-info")) {
- status = support_info_query(params, logger, result);
- } else {
- BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object);
- status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
- goto end;
- }
+ try {
+ bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
+ bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src},
+ bt2::PrivateQueryExecutor {priv_query_exec},
+ "PLUGIN/SRC.CTF.FS/QUERY"};
+
+ if (strcmp(object, "metadata-info") == 0) {
+ status = metadata_info_query(params, logger, result);
+ } else if (strcmp(object, "babeltrace.trace-infos") == 0) {
+ status = trace_infos_query(params, logger, result);
+ } else if (!strcmp(object, "babeltrace.support-info")) {
+ status = support_info_query(params, logger, result);
+ } else {
+ BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object);
+ status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
+ goto end;
+ }
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR;
+ }
}
lttng_live_msg_iter_next(bt_self_message_iterator *self_msg_it, bt_message_array_const msgs,
uint64_t capacity, uint64_t *count)
{
- bt_message_iterator_class_next_method_status status;
- enum lttng_live_viewer_status viewer_status;
- struct lttng_live_msg_iter *lttng_live_msg_iter =
- (struct lttng_live_msg_iter *) bt_self_message_iterator_get_data(self_msg_it);
- struct lttng_live_component *lttng_live = lttng_live_msg_iter->lttng_live_comp;
- enum lttng_live_iterator_status stream_iter_status;
- uint64_t session_idx;
+ try {
+ bt_message_iterator_class_next_method_status status;
+ enum lttng_live_viewer_status viewer_status;
+ struct lttng_live_msg_iter *lttng_live_msg_iter =
+ (struct lttng_live_msg_iter *) bt_self_message_iterator_get_data(self_msg_it);
+ struct lttng_live_component *lttng_live = lttng_live_msg_iter->lttng_live_comp;
+ enum lttng_live_iterator_status stream_iter_status;
+ uint64_t session_idx;
- *count = 0;
+ *count = 0;
- BT_ASSERT_DBG(lttng_live_msg_iter);
+ BT_ASSERT_DBG(lttng_live_msg_iter);
- if (G_UNLIKELY(lttng_live_msg_iter->was_interrupted)) {
- /*
+ if (G_UNLIKELY(lttng_live_msg_iter->was_interrupted)) {
+ /*
* The iterator was interrupted in a previous call to the
* `_next()` method. We currently do not support generating
* messages after such event. The babeltrace2 CLI should never
* is to prevent other graph users from using this live
* iterator in an messed up internal state.
*/
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
- BT_CPPLOGE_APPEND_CAUSE_SPEC(
- lttng_live_msg_iter->logger,
- "Message iterator was interrupted during a previous call to the `next()` and currently does not support continuing after such event.");
- goto end;
- }
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(
+ lttng_live_msg_iter->logger,
+ "Message iterator was interrupted during a previous call to the `next()` and currently does not support continuing after such event.");
+ goto end;
+ }
- /*
+ /*
* Clear all the invalid message reference that might be left over in
* the output array.
*/
- memset(msgs, 0, capacity * sizeof(*msgs));
+ memset(msgs, 0, capacity * sizeof(*msgs));
- /*
+ /*
* If no session are exposed on the relay found at the url provided by
* the user, session count will be 0. In this case, we return status
* end to return gracefully.
*/
- if (lttng_live_msg_iter->sessions->len == 0) {
- if (lttng_live->params.sess_not_found_act != SESSION_NOT_FOUND_ACTION_CONTINUE) {
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
- goto end;
- } else {
- /*
+ if (lttng_live_msg_iter->sessions->len == 0) {
+ if (lttng_live->params.sess_not_found_act != SESSION_NOT_FOUND_ACTION_CONTINUE) {
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
+ goto end;
+ } else {
+ /*
* The are no more active session for this session
* name. Retry to create a viewer session for the
* requested session name.
*/
- 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_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Error creating LTTng live viewer session");
- } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
- } else {
- bt_common_abort();
+ 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_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Error creating LTTng live viewer session");
+ } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
+ } else {
+ bt_common_abort();
+ }
+ goto end;
}
- goto end;
}
}
- }
- if (lttng_live_msg_iter->active_stream_iter == 0) {
- lttng_live_force_new_streams_and_metadata(lttng_live_msg_iter);
- }
+ if (lttng_live_msg_iter->active_stream_iter == 0) {
+ lttng_live_force_new_streams_and_metadata(lttng_live_msg_iter);
+ }
- /*
+ /*
* Here the muxing of message is done.
*
* We need to iterate over all the streams of all the traces of all the
* sessions to pick the message with the smallest timestamp and we
* return it.
*/
- while (*count < capacity) {
- struct lttng_live_stream_iterator *youngest_stream_iter = NULL,
- *candidate_stream_iter = NULL;
- int64_t youngest_msg_ts_ns = INT64_MAX;
-
- BT_ASSERT_DBG(lttng_live_msg_iter->sessions);
- session_idx = 0;
- while (session_idx < lttng_live_msg_iter->sessions->len) {
- struct lttng_live_session *session = (lttng_live_session *) g_ptr_array_index(
- lttng_live_msg_iter->sessions, session_idx);
-
- /* Find the best candidate message to send downstream. */
- stream_iter_status = next_stream_iterator_for_session(lttng_live_msg_iter, session,
- &candidate_stream_iter);
-
- /* If we receive an END status, it means that either:
+ while (*count < capacity) {
+ struct lttng_live_stream_iterator *youngest_stream_iter = NULL,
+ *candidate_stream_iter = NULL;
+ int64_t youngest_msg_ts_ns = INT64_MAX;
+
+ BT_ASSERT_DBG(lttng_live_msg_iter->sessions);
+ session_idx = 0;
+ while (session_idx < lttng_live_msg_iter->sessions->len) {
+ struct lttng_live_session *session = (lttng_live_session *) g_ptr_array_index(
+ lttng_live_msg_iter->sessions, session_idx);
+
+ /* Find the best candidate message to send downstream. */
+ stream_iter_status = next_stream_iterator_for_session(lttng_live_msg_iter, session,
+ &candidate_stream_iter);
+
+ /* If we receive an END status, it means that either:
* - Those traces never had active streams (UST with no
* data produced yet),
* - All live stream iterators have ENDed.*/
- if (stream_iter_status == LTTNG_LIVE_ITERATOR_STATUS_END) {
- if (session->closed && session->traces->len == 0) {
- /*
+ if (stream_iter_status == LTTNG_LIVE_ITERATOR_STATUS_END) {
+ if (session->closed && session->traces->len == 0) {
+ /*
* Remove the session from the list.
* session_idx is not modified since
* g_ptr_array_remove_index_fast
* replaces the the removed element with
* the array's last element.
*/
- g_ptr_array_remove_index_fast(lttng_live_msg_iter->sessions, session_idx);
- } else {
- session_idx++;
+ g_ptr_array_remove_index_fast(lttng_live_msg_iter->sessions, session_idx);
+ } else {
+ session_idx++;
+ }
+ continue;
}
- continue;
- }
- if (stream_iter_status != LTTNG_LIVE_ITERATOR_STATUS_OK) {
- goto return_status;
- }
+ if (stream_iter_status != LTTNG_LIVE_ITERATOR_STATUS_OK) {
+ goto return_status;
+ }
- if (G_UNLIKELY(youngest_stream_iter == NULL) ||
- candidate_stream_iter->current_msg_ts_ns < youngest_msg_ts_ns) {
- youngest_msg_ts_ns = candidate_stream_iter->current_msg_ts_ns;
- youngest_stream_iter = candidate_stream_iter;
- } else if (candidate_stream_iter->current_msg_ts_ns == youngest_msg_ts_ns) {
- /*
+ if (G_UNLIKELY(youngest_stream_iter == NULL) ||
+ candidate_stream_iter->current_msg_ts_ns < youngest_msg_ts_ns) {
+ youngest_msg_ts_ns = candidate_stream_iter->current_msg_ts_ns;
+ youngest_stream_iter = candidate_stream_iter;
+ } else if (candidate_stream_iter->current_msg_ts_ns == youngest_msg_ts_ns) {
+ /*
* The currently selected message to be sent
* downstream next has the exact same timestamp
* that of the current candidate message. We
* must break the tie in a predictable manner.
*/
- BT_CPPLOGD_STR_SPEC(
- lttng_live_msg_iter->logger,
- "Two of the next message candidates have the same timestamps, pick one deterministically.");
- /*
+ BT_CPPLOGD_STR_SPEC(
+ lttng_live_msg_iter->logger,
+ "Two of the next message candidates have the same timestamps, pick one deterministically.");
+ /*
* Order the messages in an arbitrary but
* deterministic way.
*/
- int ret = common_muxing_compare_messages(candidate_stream_iter->current_msg,
- youngest_stream_iter->current_msg);
- if (ret < 0) {
- /*
+ int ret = common_muxing_compare_messages(candidate_stream_iter->current_msg,
+ youngest_stream_iter->current_msg);
+ if (ret < 0) {
+ /*
* The `candidate_stream_iter->current_msg`
* should go first. Update the next
* iterator and the current timestamp.
*/
- youngest_msg_ts_ns = candidate_stream_iter->current_msg_ts_ns;
- youngest_stream_iter = candidate_stream_iter;
- } else if (ret == 0) {
- /* Unable to pick which one should go first. */
- BT_CPPLOGW_SPEC(
- lttng_live_msg_iter->logger,
- "Cannot deterministically pick next live stream message iterator because they have identical next messages: "
- "next-stream-iter-addr={}"
- "candidate-stream-iter-addr={}",
- fmt::ptr(youngest_stream_iter), fmt::ptr(candidate_stream_iter));
+ youngest_msg_ts_ns = candidate_stream_iter->current_msg_ts_ns;
+ youngest_stream_iter = candidate_stream_iter;
+ } else if (ret == 0) {
+ /* Unable to pick which one should go first. */
+ BT_CPPLOGW_SPEC(
+ lttng_live_msg_iter->logger,
+ "Cannot deterministically pick next live stream message iterator because they have identical next messages: "
+ "next-stream-iter-addr={}"
+ "candidate-stream-iter-addr={}",
+ fmt::ptr(youngest_stream_iter), fmt::ptr(candidate_stream_iter));
+ }
}
- }
- session_idx++;
- }
+ session_idx++;
+ }
- if (!youngest_stream_iter) {
- stream_iter_status = LTTNG_LIVE_ITERATOR_STATUS_AGAIN;
- goto return_status;
- }
+ if (!youngest_stream_iter) {
+ stream_iter_status = LTTNG_LIVE_ITERATOR_STATUS_AGAIN;
+ goto return_status;
+ }
- BT_ASSERT_DBG(youngest_stream_iter->current_msg);
- /* Ensure monotonicity. */
- BT_ASSERT_DBG(lttng_live_msg_iter->last_msg_ts_ns <=
- youngest_stream_iter->current_msg_ts_ns);
+ BT_ASSERT_DBG(youngest_stream_iter->current_msg);
+ /* Ensure monotonicity. */
+ BT_ASSERT_DBG(lttng_live_msg_iter->last_msg_ts_ns <=
+ youngest_stream_iter->current_msg_ts_ns);
- /*
+ /*
* Insert the next message to the message batch. This will set
* stream iterator current message to NULL so that next time
* we fetch the next message of that stream iterator
*/
- BT_MESSAGE_MOVE_REF(msgs[*count], youngest_stream_iter->current_msg);
- (*count)++;
+ BT_MESSAGE_MOVE_REF(msgs[*count], youngest_stream_iter->current_msg);
+ (*count)++;
- /* Update the last timestamp in nanoseconds sent downstream. */
- lttng_live_msg_iter->last_msg_ts_ns = youngest_msg_ts_ns;
- youngest_stream_iter->current_msg_ts_ns = INT64_MAX;
+ /* Update the last timestamp in nanoseconds sent downstream. */
+ lttng_live_msg_iter->last_msg_ts_ns = youngest_msg_ts_ns;
+ youngest_stream_iter->current_msg_ts_ns = INT64_MAX;
- stream_iter_status = LTTNG_LIVE_ITERATOR_STATUS_OK;
- }
+ stream_iter_status = LTTNG_LIVE_ITERATOR_STATUS_OK;
+ }
return_status:
- switch (stream_iter_status) {
- case LTTNG_LIVE_ITERATOR_STATUS_OK:
- case LTTNG_LIVE_ITERATOR_STATUS_AGAIN:
- /*
+ switch (stream_iter_status) {
+ case LTTNG_LIVE_ITERATOR_STATUS_OK:
+ case LTTNG_LIVE_ITERATOR_STATUS_AGAIN:
+ /*
* If we gathered messages, return _OK even if the graph was
* interrupted. This allows for the components downstream to at
* least get the those messages. If the graph was indeed
* application will tear down the graph. This component class
* doesn't support restarting after an interruption.
*/
- if (*count > 0) {
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
- } else {
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
- }
- break;
- case LTTNG_LIVE_ITERATOR_STATUS_END:
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
- break;
- case LTTNG_LIVE_ITERATOR_STATUS_NOMEM:
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Memory error preparing the next batch of messages: "
- "live-iter-status={}",
- stream_iter_status);
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
- break;
- case LTTNG_LIVE_ITERATOR_STATUS_ERROR:
- case LTTNG_LIVE_ITERATOR_STATUS_INVAL:
- case LTTNG_LIVE_ITERATOR_STATUS_UNSUPPORTED:
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Error preparing the next batch of messages: "
- "live-iter-status={}",
- stream_iter_status);
+ if (*count > 0) {
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
+ } else {
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN;
+ }
+ break;
+ case LTTNG_LIVE_ITERATOR_STATUS_END:
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
+ break;
+ case LTTNG_LIVE_ITERATOR_STATUS_NOMEM:
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Memory error preparing the next batch of messages: "
+ "live-iter-status={}",
+ stream_iter_status);
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ break;
+ case LTTNG_LIVE_ITERATOR_STATUS_ERROR:
+ case LTTNG_LIVE_ITERATOR_STATUS_INVAL:
+ case LTTNG_LIVE_ITERATOR_STATUS_UNSUPPORTED:
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Error preparing the next batch of messages: "
+ "live-iter-status={}",
+ stream_iter_status);
- status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
- /* Put all existing messages on error. */
- put_messages(msgs, *count);
- break;
- default:
- bt_common_abort();
- }
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ /* Put all existing messages on error. */
+ put_messages(msgs, *count);
+ break;
+ default:
+ bt_common_abort();
+ }
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ }
}
static struct lttng_live_msg_iter *
lttng_live_msg_iter_init(bt_self_message_iterator *self_msg_it,
bt_self_message_iterator_configuration *, bt_self_component_port_output *)
{
- 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;
- bt_self_component *self_comp = bt_self_message_iterator_borrow_component(self_msg_it);
-
- lttng_live = (lttng_live_component *) bt_self_component_get_data(self_comp);
-
- /* There can be only one downstream iterator at the same time. */
- BT_ASSERT(!lttng_live->has_msg_iter);
- lttng_live->has_msg_iter = true;
-
- lttng_live_msg_iter = lttng_live_msg_iter_create(lttng_live, self_msg_it);
- if (!lttng_live_msg_iter) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live->logger, "Failed to create lttng_live_msg_iter");
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
- goto error;
- }
+ try {
+ 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;
+ bt_self_component *self_comp = bt_self_message_iterator_borrow_component(self_msg_it);
+
+ lttng_live = (lttng_live_component *) bt_self_component_get_data(self_comp);
+
+ /* There can be only one downstream iterator at the same time. */
+ BT_ASSERT(!lttng_live->has_msg_iter);
+ lttng_live->has_msg_iter = true;
+
+ lttng_live_msg_iter = lttng_live_msg_iter_create(lttng_live, self_msg_it);
+ if (!lttng_live_msg_iter) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live->logger,
+ "Failed to create lttng_live_msg_iter");
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ goto error;
+ }
- viewer_status = live_viewer_connection_create(lttng_live->params.url->str, false,
- lttng_live_msg_iter, lttng_live_msg_iter->logger,
- <tng_live_msg_iter->viewer_connection);
- if (viewer_status != LTTNG_LIVE_VIEWER_STATUS_OK) {
- if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_ERROR) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Failed to create viewer connection");
- } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
- /*
+ viewer_status = live_viewer_connection_create(
+ lttng_live->params.url->str, false, lttng_live_msg_iter, lttng_live_msg_iter->logger,
+ <tng_live_msg_iter->viewer_connection);
+ if (viewer_status != LTTNG_LIVE_VIEWER_STATUS_OK) {
+ if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_ERROR) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Failed to create viewer connection");
+ } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
+ /*
* Interruption in the _iter_init() method is not
* supported. Return an error.
*/
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Interrupted while creating viewer connection");
- }
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Interrupted while creating viewer connection");
+ }
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
- goto error;
- }
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ goto error;
+ }
- 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) {
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Failed to create viewer session");
- } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
- /*
+ 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) {
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Failed to create viewer session");
+ } else if (viewer_status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
+ /*
* Interruption in the _iter_init() method is not
* supported. Return an error.
*/
- BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
- "Interrupted when creating viewer session");
- }
-
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
- goto error;
- }
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(lttng_live_msg_iter->logger,
+ "Interrupted when creating viewer session");
+ }
- if (lttng_live_msg_iter->sessions->len == 0) {
- switch (lttng_live->params.sess_not_found_act) {
- case SESSION_NOT_FOUND_ACTION_CONTINUE:
- BT_CPPLOGI_SPEC(
- lttng_live_msg_iter->logger,
- "Unable to connect to the requested live viewer session. Keep "
- "trying to connect because of {}=\"{}\" component parameter: url=\"{}\"",
- SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_CONTINUE_STR,
- lttng_live->params.url->str);
- break;
- case SESSION_NOT_FOUND_ACTION_FAIL:
- BT_CPPLOGE_APPEND_CAUSE_SPEC(
- lttng_live_msg_iter->logger,
- "Unable to connect to the requested live viewer session. Fail "
- "the message iterator initialization because of {}=\"{}\" "
- "component parameter: url =\"{}\"",
- SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_FAIL_STR,
- lttng_live->params.url->str);
status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
goto error;
- case SESSION_NOT_FOUND_ACTION_END:
- BT_CPPLOGI_SPEC(
- lttng_live_msg_iter->logger,
- "Unable to connect to the requested live viewer session. End gracefully at the first _next() "
- "call because of {}=\"{}\" component parameter: "
- "url=\"{}\"",
- SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_END_STR,
- lttng_live->params.url->str);
- break;
- default:
- bt_common_abort();
}
- }
- bt_self_message_iterator_set_data(self_msg_it, lttng_live_msg_iter);
- status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
- goto end;
+ if (lttng_live_msg_iter->sessions->len == 0) {
+ switch (lttng_live->params.sess_not_found_act) {
+ case SESSION_NOT_FOUND_ACTION_CONTINUE:
+ BT_CPPLOGI_SPEC(
+ lttng_live_msg_iter->logger,
+ "Unable to connect to the requested live viewer session. "
+ "Keep trying to connect because of {}=\"{}\" component parameter: url=\"{}\"",
+ SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_CONTINUE_STR,
+ lttng_live->params.url->str);
+ break;
+ case SESSION_NOT_FOUND_ACTION_FAIL:
+ BT_CPPLOGE_APPEND_CAUSE_SPEC(
+ lttng_live_msg_iter->logger,
+ "Unable to connect to the requested live viewer session. "
+ "Fail the message iterator initialization because of {}=\"{}\" "
+ "component parameter: url =\"{}\"",
+ SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_FAIL_STR,
+ lttng_live->params.url->str);
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ goto error;
+ case SESSION_NOT_FOUND_ACTION_END:
+ BT_CPPLOGI_SPEC(lttng_live_msg_iter->logger,
+ "Unable to connect to the requested live viewer session. "
+ "End gracefully at the first _next() call because of {}=\"{}\""
+ " component parameter: url=\"{}\"",
+ SESS_NOT_FOUND_ACTION_PARAM, SESS_NOT_FOUND_ACTION_END_STR,
+ lttng_live->params.url->str);
+ break;
+ default:
+ bt_common_abort();
+ }
+ }
+
+ bt_self_message_iterator_set_data(self_msg_it, lttng_live_msg_iter);
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
+ goto end;
error:
- lttng_live_msg_iter_destroy(lttng_live_msg_iter);
+ lttng_live_msg_iter_destroy(lttng_live_msg_iter);
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ }
}
static struct bt_param_validation_map_value_entry_descr list_sessions_params[] = {
__attribute__((unused)) void *method_data,
const bt_value **result)
{
- bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
- bt2c::Logger logger {bt2::SelfComponentClass {comp_class},
- bt2::PrivateQueryExecutor {priv_query_exec},
- "PLUGIN/SRC.CTF.LTTNG-LIVE/QUERY"};
-
- if (strcmp(object, "sessions") == 0) {
- status = lttng_live_query_list_sessions(params, result, logger);
- } else if (strcmp(object, "babeltrace.support-info") == 0) {
- status = lttng_live_query_support_info(params, result, logger);
- } else {
- BT_CPPLOGI_SPEC(logger, "Unknown query object `{}`", object);
- status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
- goto end;
- }
+ try {
+ bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
+ bt2c::Logger logger {bt2::SelfComponentClass {comp_class},
+ bt2::PrivateQueryExecutor {priv_query_exec},
+ "PLUGIN/SRC.CTF.LTTNG-LIVE/QUERY"};
+
+ if (strcmp(object, "sessions") == 0) {
+ status = lttng_live_query_list_sessions(params, result, logger);
+ } else if (strcmp(object, "babeltrace.support-info") == 0) {
+ status = lttng_live_query_support_info(params, result, logger);
+ } else {
+ BT_CPPLOGI_SPEC(logger, "Unknown query object `{}`", object);
+ status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
+ goto end;
+ }
end:
- return status;
+ return status;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR;
+ }
}
static void lttng_live_component_destroy_data(struct lttng_live_component *lttng_live)
lttng_live_component_init(bt_self_component_source *self_comp_src,
bt_self_component_source_configuration *, const bt_value *params, void *)
{
- struct lttng_live_component *lttng_live;
- bt_component_class_initialize_method_status ret;
- bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src);
- bt_self_component_add_port_status add_port_status;
+ try {
+ struct lttng_live_component *lttng_live;
+ bt_component_class_initialize_method_status ret;
+ bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src);
+ bt_self_component_add_port_status add_port_status;
+
+ ret = lttng_live_component_create(params, self_comp_src, <tng_live);
+ if (ret != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
+ goto error;
+ }
- ret = lttng_live_component_create(params, self_comp_src, <tng_live);
- if (ret != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) {
- goto error;
- }
+ add_port_status =
+ bt_self_component_source_add_output_port(self_comp_src, "out", NULL, NULL);
+ if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
+ ret = (bt_component_class_initialize_method_status) add_port_status;
+ goto end;
+ }
- add_port_status = bt_self_component_source_add_output_port(self_comp_src, "out", NULL, NULL);
- if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
- ret = (bt_component_class_initialize_method_status) add_port_status;
+ bt_self_component_set_data(self_comp, lttng_live);
goto end;
- }
-
- bt_self_component_set_data(self_comp, lttng_live);
- goto end;
error:
- lttng_live_component_destroy_data(lttng_live);
- lttng_live = NULL;
+ lttng_live_component_destroy_data(lttng_live);
+ lttng_live = NULL;
end:
- return ret;
+ return ret;
+ } catch (const std::bad_alloc&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ } catch (const bt2::Error&) {
+ return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ }
}