#include <babeltrace/graph/component.h>
#include <babeltrace/graph/component-source-internal.h>
#include <babeltrace/graph/component-class-internal.h>
+#include <babeltrace/graph/component-class-sink-colander-internal.h>
+#include <babeltrace/graph/component-sink.h>
#include <babeltrace/graph/notification.h>
#include <babeltrace/graph/notification-iterator.h>
#include <babeltrace/graph/notification-iterator-internal.h>
#include <babeltrace/graph/notification-stream-internal.h>
#include <babeltrace/graph/notification-discarded-elements-internal.h>
#include <babeltrace/graph/port.h>
+#include <babeltrace/graph/graph-internal.h>
#include <babeltrace/types.h>
#include <stdint.h>
#include <inttypes.h>
#include <stdlib.h>
struct discarded_elements_state {
- struct bt_ctf_clock_value *cur_begin;
+ struct bt_clock_value *cur_begin;
uint64_t cur_count;
};
struct stream_state {
- struct bt_ctf_stream *stream; /* owned by this */
- struct bt_ctf_packet *cur_packet; /* owned by this */
+ struct bt_stream *stream; /* owned by this */
+ struct bt_packet *cur_packet; /* owned by this */
struct discarded_elements_state discarded_packets_state;
struct discarded_elements_state discarded_events_state;
bt_bool is_ended;
/* ACTION_TYPE_MAP_PORT_TO_COMP_IN_STREAM */
struct {
- struct bt_ctf_stream *stream; /* owned by this */
+ struct bt_stream *stream; /* owned by this */
struct bt_component *component; /* owned by this */
struct bt_port *port; /* owned by this */
} map_port_to_comp_in_stream;
/* ACTION_TYPE_ADD_STREAM_STATE */
struct {
- struct bt_ctf_stream *stream; /* owned by this */
+ struct bt_stream *stream; /* owned by this */
struct stream_state *stream_state; /* owned by this */
} add_stream_state;
/* ACTION_TYPE_SET_STREAM_STATE_CUR_PACKET */
struct {
struct stream_state *stream_state; /* weak */
- struct bt_ctf_packet *packet; /* owned by this */
+ struct bt_packet *packet; /* owned by this */
} set_stream_state_cur_packet;
/* ACTION_TYPE_UPDATE_STREAM_STATE_DISCARDED_PACKETS */
/* ACTION_TYPE_UPDATE_STREAM_STATE_DISCARDED_EVENTS */
struct {
struct stream_state *stream_state; /* weak */
- struct bt_ctf_clock_value *cur_begin; /* owned by this */
+ struct bt_clock_value *cur_begin; /* owned by this */
uint64_t cur_count;
} update_stream_state_discarded_elements;
} payload;
};
static
-void stream_destroy_listener(struct bt_ctf_stream *stream, void *data)
+void stream_destroy_listener(struct bt_stream *stream, void *data)
{
struct bt_notification_iterator_private_connection *iterator = data;
action->payload.push_notif.notif = NULL;
break;
case ACTION_TYPE_MAP_PORT_TO_COMP_IN_STREAM:
- bt_ctf_stream_map_component_to_port(
+ bt_stream_map_component_to_port(
action->payload.map_port_to_comp_in_stream.stream,
action->payload.map_port_to_comp_in_stream.component,
action->payload.map_port_to_comp_in_stream.port);
* could be reused for another stream, and they
* must have different states.
*/
- bt_ctf_stream_add_destroy_listener(
+ bt_stream_add_destroy_listener(
action->payload.set_stream_state_is_ended.stream_state->stream,
stream_destroy_listener, iterator);
action->payload.set_stream_state_is_ended.stream_state->is_ended = BT_TRUE;
}
static
-struct stream_state *create_stream_state(struct bt_ctf_stream *stream)
+struct stream_state *create_stream_state(struct bt_stream *stream)
{
struct stream_state *stream_state = g_new0(struct stream_state, 1);
stream_state->stream = bt_get(stream);
BT_LOGV("Created stream state: stream-addr=%p, stream-name=\"%s\", "
"stream-state-addr=%p",
- stream, bt_ctf_stream_get_name(stream), stream_state);
+ stream, bt_stream_get_name(stream), stream_state);
end:
return stream_state;
}
+static
+void destroy_base_notification_iterator(struct bt_object *obj)
+{
+ struct bt_notification_iterator *iterator =
+ container_of(obj, struct bt_notification_iterator, base);
+
+ BT_LOGD_STR("Putting current notification.");
+ bt_put(iterator->current_notification);
+ g_free(iterator);
+}
+
static
void bt_private_connection_notification_iterator_destroy(struct bt_object *obj)
{
*/
obj->ref_count.count++;
iterator = (void *) container_of(obj, struct bt_notification_iterator, base);
- BT_LOGD("Destroying notification iterator object: addr=%p",
+ BT_LOGD("Destroying private connection notification iterator object: addr=%p",
iterator);
bt_private_connection_notification_iterator_finalize(iterator);
assert(stream_gptr);
BT_LOGD_STR("Removing stream's destroy listener for notification iterator.");
- bt_ctf_stream_remove_destroy_listener(
+ bt_stream_remove_destroy_listener(
(void *) stream_gptr, stream_destroy_listener,
iterator);
}
bt_connection_remove_iterator(iterator->connection, iterator);
}
- BT_LOGD_STR("Putting current notification.");
- bt_put(iterator->current_notification);
- g_free(iterator);
+ destroy_base_notification_iterator(obj);
}
BT_HIDDEN
assert(notification_types);
assert(bt_port_is_connected(upstream_port));
assert(user_iterator);
- BT_LOGD("Creating notification iterator: "
+ BT_LOGD("Creating notification iterator on private connection: "
"upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
"upstream-port-addr=%p, upstream-port-name=\"%s\", "
"conn-addr=%p",
type == BT_COMPONENT_CLASS_TYPE_FILTER);
iterator = g_new0(struct bt_notification_iterator_private_connection, 1);
if (!iterator) {
- BT_LOGE_STR("Failed to allocate one notification iterator.");
+ BT_LOGE_STR("Failed to allocate one private connection notification iterator.");
status = BT_CONNECTION_STATUS_NOMEM;
goto end;
}
struct bt_private_connection_private_notification_iterator *private_iterator)
{
struct bt_notification_iterator_private_connection *iterator =
- bt_private_connection_notification_iterator_from_private(private_iterator);
+ bt_private_connection_notification_iterator_borrow_from_private(private_iterator);
return iterator ? iterator->user_data : NULL;
}
enum bt_notification_iterator_status ret =
BT_NOTIFICATION_ITERATOR_STATUS_OK;
struct bt_notification_iterator_private_connection *iterator =
- bt_private_connection_notification_iterator_from_private(private_iterator);
+ bt_private_connection_notification_iterator_borrow_from_private(private_iterator);
if (!iterator) {
BT_LOGW_STR("Invalid parameter: notification iterator is NULL.");
goto end;
}
- switch (iterator->type) {
- case BT_NOTIFICATION_ITERATOR_TYPE_PRIVATE_CONNECTION:
- {
- struct bt_notification_iterator_private_connection *priv_conn_iter =
- (void *) iterator;
-
- notification = bt_get(priv_conn_iter->current_notification);
- break;
- }
- default:
- BT_LOGF("Unknown notification iterator type: addr=%p, type=%d",
- iterator, iterator->type);
- abort();
- }
+ notification = bt_get(
+ bt_notification_iterator_borrow_current_notification(iterator));
end:
return notification;
bt_bool validate_notification(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream,
- struct bt_ctf_packet *notif_packet)
+ struct bt_stream *notif_stream,
+ struct bt_packet *notif_packet)
{
bt_bool is_valid = BT_TRUE;
struct stream_state *stream_state;
assert(notif_stream);
stream_comp_cur_port =
- bt_ctf_stream_port_for_component(notif_stream,
+ bt_stream_port_for_component(notif_stream,
iterator->upstream_component);
if (!stream_comp_cur_port) {
/*
"iter-upstream-port-addr=%p, "
"iter-upstream-port-name=%s",
notif_stream,
- bt_ctf_stream_get_name(notif_stream),
+ bt_stream_get_name(notif_stream),
stream_comp_cur_port,
bt_port_get_name(stream_comp_cur_port),
iterator->upstream_port,
"stream-addr=%p, stream-name=\"%s\", "
"stream-state-addr=%p",
notif_stream,
- bt_ctf_stream_get_name(notif_stream), stream_state);
+ bt_stream_get_name(notif_stream), stream_state);
if (stream_state->is_ended) {
/*
BT_LOGW("Stream is already ended: "
"stream-addr=%p, stream-name=\"%s\"",
notif_stream,
- bt_ctf_stream_get_name(notif_stream));
+ bt_stream_get_name(notif_stream));
is_valid = BT_FALSE;
goto end;
}
BT_LOGW("Duplicate stream beginning notification: "
"stream-addr=%p, stream-name=\"%s\"",
notif_stream,
- bt_ctf_stream_get_name(notif_stream));
+ bt_stream_get_name(notif_stream));
is_valid = BT_FALSE;
goto end;
case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
"stream-addr=%p, stream-name=\"%s\", "
"packet-addr=%p",
notif_stream,
- bt_ctf_stream_get_name(notif_stream),
+ bt_stream_get_name(notif_stream),
notif_packet);
is_valid = BT_FALSE;
goto end;
static
int add_action_push_notif_stream_begin(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_stream *stream)
+ struct bt_stream *stream)
{
int ret = 0;
struct bt_notification *stream_begin_notif = NULL;
add_action_push_notif(iterator, stream_begin_notif);
BT_LOGV("Added \"push stream beginning notification\" action: "
"stream-addr=%p, stream-name=\"%s\"",
- stream, bt_ctf_stream_get_name(stream));
+ stream, bt_stream_get_name(stream));
goto end;
error:
static
int add_action_push_notif_stream_end(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_stream *stream)
+ struct bt_stream *stream)
{
int ret = 0;
struct bt_notification *stream_end_notif = NULL;
add_action_push_notif(iterator, stream_end_notif);
BT_LOGV("Added \"push stream end notification\" action: "
"stream-addr=%p, stream-name=\"%s\"",
- stream, bt_ctf_stream_get_name(stream));
+ stream, bt_stream_get_name(stream));
goto end;
error:
static
int add_action_push_notif_packet_begin(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_packet *packet)
+ struct bt_packet *packet)
{
int ret = 0;
struct bt_notification *packet_begin_notif = NULL;
static
int add_action_push_notif_packet_end(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_packet *packet)
+ struct bt_packet *packet)
{
int ret = 0;
struct bt_notification *packet_end_notif = NULL;
void add_action_set_stream_state_cur_packet(
struct bt_notification_iterator_private_connection *iterator,
struct stream_state *stream_state,
- struct bt_ctf_packet *packet)
+ struct bt_packet *packet)
{
struct action action = {
.type = ACTION_TYPE_SET_STREAM_STATE_CUR_PACKET,
struct bt_notification_iterator_private_connection *iterator,
enum action_type type,
struct stream_state *stream_state,
- struct bt_ctf_clock_value *cur_begin,
+ struct bt_clock_value *cur_begin,
uint64_t cur_count)
{
struct action action = {
int ensure_stream_state_exists(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *stream_begin_notif,
- struct bt_ctf_stream *notif_stream,
+ struct bt_stream *notif_stream,
struct stream_state **_stream_state)
{
int ret = 0;
}
static
-struct bt_ctf_field *get_struct_field_uint(struct bt_ctf_field *struct_field,
+struct bt_field *get_struct_field_uint(struct bt_field *struct_field,
const char *field_name)
{
- struct bt_ctf_field *field = NULL;
- struct bt_ctf_field_type *ft = NULL;
+ struct bt_field *field = NULL;
+ struct bt_field_type *ft = NULL;
- field = bt_ctf_field_structure_get_field_by_name(struct_field,
+ field = bt_field_structure_get_field_by_name(struct_field,
field_name);
if (!field) {
BT_LOGV_STR("`%s` field does not exist.");
goto end;
}
- if (!bt_ctf_field_is_integer(field)) {
+ if (!bt_field_is_integer(field)) {
BT_LOGV("Skipping `%s` field because its type is not an integer field type: "
"field-addr=%p, ft-addr=%p, ft-id=%s", field_name,
- field, ft, bt_ctf_field_type_id_string(
- bt_ctf_field_type_get_type_id(ft)));
+ field, ft, bt_field_type_id_string(
+ bt_field_type_get_type_id(ft)));
BT_PUT(field);
goto end;
}
- ft = bt_ctf_field_get_type(field);
+ ft = bt_field_get_type(field);
assert(ft);
- if (bt_ctf_field_type_integer_is_signed(ft)) {
+ if (bt_field_type_integer_is_signed(ft)) {
BT_LOGV("Skipping `%s` integer field because its type is signed: "
"field-addr=%p, ft-addr=%p", field_name, field, ft);
BT_PUT(field);
}
static
-uint64_t get_packet_context_events_discarded(struct bt_ctf_packet *packet)
+uint64_t get_packet_context_events_discarded(struct bt_packet *packet)
{
- struct bt_ctf_field *packet_context = NULL;
- struct bt_ctf_field *field = NULL;
+ struct bt_field *packet_context = NULL;
+ struct bt_field *field = NULL;
uint64_t retval = -1ULL;
int ret;
- packet_context = bt_ctf_packet_get_context(packet);
+ packet_context = bt_packet_get_context(packet);
if (!packet_context) {
goto end;
}
goto end;
}
- assert(bt_ctf_field_is_integer(field));
- ret = bt_ctf_field_unsigned_integer_get_value(field, &retval);
+ assert(bt_field_is_integer(field));
+ ret = bt_field_unsigned_integer_get_value(field, &retval);
if (ret) {
BT_LOGV("Cannot get raw value of packet's context field's `events_discarded` integer field: "
"packet-addr=%p, field-addr=%p",
}
static
-uint64_t get_packet_context_packet_seq_num(struct bt_ctf_packet *packet)
+uint64_t get_packet_context_packet_seq_num(struct bt_packet *packet)
{
- struct bt_ctf_field *packet_context = NULL;
- struct bt_ctf_field *field = NULL;
+ struct bt_field *packet_context = NULL;
+ struct bt_field *field = NULL;
uint64_t retval = -1ULL;
int ret;
- packet_context = bt_ctf_packet_get_context(packet);
+ packet_context = bt_packet_get_context(packet);
if (!packet_context) {
goto end;
}
goto end;
}
- assert(bt_ctf_field_is_integer(field));
- ret = bt_ctf_field_unsigned_integer_get_value(field, &retval);
+ assert(bt_field_is_integer(field));
+ ret = bt_field_unsigned_integer_get_value(field, &retval);
if (ret) {
BT_LOGV("Cannot get raw value of packet's context field's `packet_seq_num` integer field: "
"packet-addr=%p, field-addr=%p",
static
int handle_discarded_packets(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_packet *packet,
- struct bt_ctf_clock_value *ts_begin,
- struct bt_ctf_clock_value *ts_end,
+ struct bt_packet *packet,
+ struct bt_clock_value *ts_begin,
+ struct bt_clock_value *ts_end,
struct stream_state *stream_state)
{
struct bt_notification *notif = NULL;
static
int handle_discarded_events(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_packet *packet,
- struct bt_ctf_clock_value *ts_begin,
- struct bt_ctf_clock_value *ts_end,
+ struct bt_packet *packet,
+ struct bt_clock_value *ts_begin,
+ struct bt_clock_value *ts_end,
struct stream_state *stream_state)
{
struct bt_notification *notif = NULL;
}
static
-int get_field_clock_value(struct bt_ctf_field *root_field,
+int get_field_clock_value(struct bt_field *root_field,
const char *field_name,
- struct bt_ctf_clock_value **user_clock_val)
+ struct bt_clock_value **user_clock_val)
{
- struct bt_ctf_field *field;
- struct bt_ctf_field_type *ft = NULL;
- struct bt_ctf_clock_class *clock_class = NULL;
- struct bt_ctf_clock_value *clock_value = NULL;
+ struct bt_field *field;
+ struct bt_field_type *ft = NULL;
+ struct bt_clock_class *clock_class = NULL;
+ struct bt_clock_value *clock_value = NULL;
uint64_t val;
int ret = 0;
goto end;
}
- ft = bt_ctf_field_get_type(field);
+ ft = bt_field_get_type(field);
assert(ft);
- clock_class = bt_ctf_field_type_integer_get_mapped_clock_class(ft);
+ clock_class = bt_field_type_integer_get_mapped_clock_class(ft);
if (!clock_class) {
BT_LOGW("Integer field type has no mapped clock class but it's expected to have one: "
"ft-addr=%p", ft);
goto end;
}
- ret = bt_ctf_field_unsigned_integer_get_value(field, &val);
+ ret = bt_field_unsigned_integer_get_value(field, &val);
if (ret) {
BT_LOGW("Cannot get integer field's raw value: "
"field-addr=%p", field);
goto end;
}
- clock_value = bt_ctf_clock_value_create(clock_class, val);
+ clock_value = bt_clock_value_create(clock_class, val);
if (!clock_value) {
BT_LOGE_STR("Cannot create clock value from clock class.");
ret = -1;
}
static
-int get_ts_begin_ts_end_from_packet(struct bt_ctf_packet *packet,
- struct bt_ctf_clock_value **user_ts_begin,
- struct bt_ctf_clock_value **user_ts_end)
+int get_ts_begin_ts_end_from_packet(struct bt_packet *packet,
+ struct bt_clock_value **user_ts_begin,
+ struct bt_clock_value **user_ts_end)
{
- struct bt_ctf_field *packet_context = NULL;
- struct bt_ctf_clock_value *ts_begin = NULL;
- struct bt_ctf_clock_value *ts_end = NULL;
+ struct bt_field *packet_context = NULL;
+ struct bt_clock_value *ts_begin = NULL;
+ struct bt_clock_value *ts_end = NULL;
int ret = 0;
- packet_context = bt_ctf_packet_get_context(packet);
+ packet_context = bt_packet_get_context(packet);
if (!packet_context) {
goto end;
}
static
int handle_discarded_elements(
struct bt_notification_iterator_private_connection *iterator,
- struct bt_ctf_packet *packet, struct stream_state *stream_state)
+ struct bt_packet *packet, struct stream_state *stream_state)
{
- struct bt_ctf_clock_value *ts_begin = NULL;
- struct bt_ctf_clock_value *ts_end = NULL;
+ struct bt_clock_value *ts_begin = NULL;
+ struct bt_clock_value *ts_end = NULL;
int ret;
ret = get_ts_begin_ts_end_from_packet(packet, &ts_begin, &ts_end);
int handle_packet_switch(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *packet_begin_notif,
- struct bt_ctf_packet *new_packet,
+ struct bt_packet *new_packet,
struct stream_state *stream_state)
{
int ret = 0;
int handle_notif_stream_begin(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream)
+ struct bt_stream *notif_stream)
{
int ret = 0;
struct stream_state *stream_state;
int handle_notif_stream_end(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream)
+ struct bt_stream *notif_stream)
{
int ret = 0;
struct stream_state *stream_state;
int handle_notif_discarded_elements(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream)
+ struct bt_stream *notif_stream)
{
int ret = 0;
struct stream_state *stream_state;
int handle_notif_packet_begin(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream,
- struct bt_ctf_packet *notif_packet)
+ struct bt_stream *notif_stream,
+ struct bt_packet *notif_packet)
{
int ret = 0;
struct stream_state *stream_state;
int handle_notif_packet_end(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream,
- struct bt_ctf_packet *notif_packet)
+ struct bt_stream *notif_stream,
+ struct bt_packet *notif_packet)
{
int ret = 0;
struct stream_state *stream_state;
int handle_notif_event(
struct bt_notification_iterator_private_connection *iterator,
struct bt_notification *notif,
- struct bt_ctf_stream *notif_stream,
- struct bt_ctf_packet *notif_packet)
+ struct bt_stream *notif_stream,
+ struct bt_packet *notif_packet)
{
int ret = 0;
struct stream_state *stream_state;
struct bt_notification *notif)
{
int ret = 0;
- struct bt_ctf_event *notif_event = NULL;
- struct bt_ctf_stream *notif_stream = NULL;
- struct bt_ctf_packet *notif_packet = NULL;
+ struct bt_event *notif_event = NULL;
+ struct bt_stream *notif_stream = NULL;
+ struct bt_packet *notif_packet = NULL;
assert(notif);
case BT_NOTIFICATION_TYPE_EVENT:
notif_event = bt_notification_event_borrow_event(notif);
assert(notif_event);
- notif_packet = bt_ctf_event_borrow_packet(notif_event);
+ notif_packet = bt_event_borrow_packet(notif_event);
assert(notif_packet);
break;
case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
}
if (notif_packet) {
- notif_stream = bt_ctf_packet_borrow_stream(notif_packet);
+ notif_stream = bt_packet_borrow_stream(notif_packet);
assert(notif_stream);
}
{
struct bt_notification_iterator_private_connection *priv_conn_iter =
(void *) iterator;
+ struct bt_notification *notif;
/*
* Make sure that the iterator's queue contains at least
* iterator's current notification.
*/
assert(priv_conn_iter->queue->length > 0);
- bt_put(priv_conn_iter->current_notification);
- priv_conn_iter->current_notification =
- g_queue_pop_tail(priv_conn_iter->queue);
- assert(priv_conn_iter->current_notification);
+ notif = g_queue_pop_tail(priv_conn_iter->queue);
+ bt_notification_iterator_replace_current_notification(
+ iterator, notif);
+ bt_put(notif);
+ break;
+ }
+ case BT_NOTIFICATION_ITERATOR_TYPE_OUTPUT_PORT:
+ {
+ struct bt_notification_iterator_output_port *out_port_iter =
+ (void *) iterator;
+
+ /*
+ * Keep current notification in case there's an error:
+ * restore this notification so that the current
+ * notification is not changed from the user's point of
+ * view.
+ */
+ struct bt_notification *old_notif =
+ bt_get(bt_notification_iterator_borrow_current_notification(iterator));
+ enum bt_graph_status graph_status;
+
+ /*
+ * Put current notification since it's possibly
+ * about to be replaced by a new one by the
+ * colander sink.
+ */
+ bt_notification_iterator_replace_current_notification(
+ iterator, NULL);
+ graph_status = bt_graph_consume_sink_no_check(
+ out_port_iter->graph,
+ out_port_iter->colander);
+ switch (graph_status) {
+ case BT_GRAPH_STATUS_CANCELED:
+ status = BT_NOTIFICATION_ITERATOR_STATUS_CANCELED;
+ break;
+ case BT_GRAPH_STATUS_AGAIN:
+ status = BT_NOTIFICATION_ITERATOR_STATUS_AGAIN;
+ break;
+ case BT_GRAPH_STATUS_END:
+ status = BT_NOTIFICATION_ITERATOR_STATUS_END;
+ break;
+ case BT_GRAPH_STATUS_NOMEM:
+ status = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
+ break;
+ case BT_GRAPH_STATUS_OK:
+ status = BT_NOTIFICATION_ITERATOR_STATUS_OK;
+ assert(bt_notification_iterator_borrow_current_notification(iterator));
+ break;
+ default:
+ /* Other errors */
+ status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
+ }
+
+ if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
+ /* Error/exception: restore old notification */
+ bt_notification_iterator_replace_current_notification(
+ iterator, old_notif);
+ }
+
+ bt_put(old_notif);
break;
}
default:
{
return bt_private_component_from_component(
bt_private_connection_notification_iterator_get_component(
- (void *) bt_private_connection_notification_iterator_from_private(private_iterator)));
+ (void *) bt_private_connection_notification_iterator_borrow_from_private(private_iterator)));
+}
+
+static
+void bt_output_port_notification_iterator_destroy(struct bt_object *obj)
+{
+ struct bt_notification_iterator_output_port *iterator =
+ (void *) container_of(obj, struct bt_notification_iterator, base);
+
+ BT_LOGD("Destroying output port notification iterator object: addr=%p",
+ iterator);
+ BT_LOGD_STR("Putting graph.");
+ bt_put(iterator->graph);
+ BT_LOGD_STR("Putting output port.");
+ bt_put(iterator->output_port);
+ BT_LOGD_STR("Putting colander sink component.");
+ bt_put(iterator->colander);
+ destroy_base_notification_iterator(obj);
+}
+
+struct bt_notification_iterator *bt_output_port_notification_iterator_create(
+ struct bt_port *output_port,
+ const char *colander_component_name,
+ const enum bt_notification_type *notification_types)
+{
+ struct bt_notification_iterator *iterator_base = NULL;
+ struct bt_notification_iterator_output_port *iterator = NULL;
+ struct bt_component_class *colander_comp_cls = NULL;
+ struct bt_component *output_port_comp = NULL;
+ struct bt_component *colander_comp;
+ struct bt_graph *graph = NULL;
+ enum bt_graph_status graph_status;
+ const char *colander_comp_name;
+ struct bt_port *colander_in_port = NULL;
+ struct bt_component_class_sink_colander_data colander_data;
+
+ if (!output_port) {
+ BT_LOGW_STR("Invalid parameter: port is NULL.");
+ goto error;
+ }
+
+ if (bt_port_get_type(output_port) != BT_PORT_TYPE_OUTPUT) {
+ BT_LOGW_STR("Invalid parameter: port is not an output port.");
+ goto error;
+ }
+
+ output_port_comp = bt_port_get_component(output_port);
+ if (!output_port_comp) {
+ BT_LOGW("Cannot get output port's component: "
+ "port-addr=%p, port-name=\"%s\"",
+ output_port, bt_port_get_name(output_port));
+ goto error;
+ }
+
+ graph = bt_component_get_graph(output_port_comp);
+ assert(graph);
+
+ /* Create notification iterator */
+ BT_LOGD("Creating notification iterator on output port: "
+ "comp-addr=%p, comp-name\"%s\", port-addr=%p, port-name=\"%s\"",
+ output_port_comp, bt_component_get_name(output_port_comp),
+ output_port, bt_port_get_name(output_port));
+ iterator = g_new0(struct bt_notification_iterator_output_port, 1);
+ if (!iterator) {
+ BT_LOGE_STR("Failed to allocate one output port notification iterator.");
+ goto error;
+ }
+
+ init_notification_iterator((void *) iterator,
+ BT_NOTIFICATION_ITERATOR_TYPE_OUTPUT_PORT,
+ bt_output_port_notification_iterator_destroy);
+
+ /* Create colander component */
+ colander_comp_cls = bt_component_class_sink_colander_get();
+ if (!colander_comp_cls) {
+ BT_LOGW("Cannot get colander sink component class.");
+ goto error;
+ }
+
+ BT_MOVE(iterator->graph, graph);
+ iterator_base = (void *) iterator;
+ colander_comp_name =
+ colander_component_name ? colander_component_name : "colander";
+ colander_data.notification = &iterator_base->current_notification;
+ colander_data.notification_types = notification_types;
+ graph_status = bt_graph_add_component_with_init_method_data(
+ iterator->graph, colander_comp_cls, colander_comp_name,
+ NULL, &colander_data, &iterator->colander);
+ if (graph_status != BT_GRAPH_STATUS_OK) {
+ BT_LOGW("Cannot add colander sink component to graph: "
+ "graph-addr=%p, name=\"%s\", graph-status=%s",
+ iterator->graph, colander_comp_name,
+ bt_graph_status_string(graph_status));
+ goto error;
+ }
+
+ /*
+ * Connect provided output port to the colander component's
+ * input port.
+ */
+ colander_in_port = bt_component_sink_get_input_port_by_index(
+ iterator->colander, 0);
+ assert(colander_in_port);
+ graph_status = bt_graph_connect_ports(iterator->graph,
+ output_port, colander_in_port, NULL);
+ if (graph_status != BT_GRAPH_STATUS_OK) {
+ BT_LOGW("Cannot add colander sink component to graph: "
+ "graph-addr=%p, name=\"%s\", graph-status=%s",
+ iterator->graph, colander_comp_name,
+ bt_graph_status_string(graph_status));
+ goto error;
+ }
+
+ /*
+ * At this point everything went fine. Make the graph
+ * nonconsumable forever so that only this notification iterator
+ * can consume (thanks to bt_graph_consume_sink_no_check()).
+ * This avoids leaking the notification created by the colander
+ * sink and moved to the base notification iterator's current
+ * notification member.
+ */
+ bt_graph_set_can_consume(iterator->graph, BT_FALSE);
+ goto end;
+
+error:
+ if (iterator && iterator->graph && iterator->colander) {
+ int ret;
+
+ /* Remove created colander component from graph if any */
+ colander_comp = iterator->colander;
+ BT_PUT(iterator->colander);
+
+ /*
+ * At this point the colander component's reference
+ * count is 0 because iterator->colander was the only
+ * owner. We also know that it is not connected because
+ * this is the last operation before this function
+ * succeeds.
+ *
+ * Since we honor the preconditions here,
+ * bt_graph_remove_unconnected_component() always
+ * succeeds.
+ */
+ ret = bt_graph_remove_unconnected_component(iterator->graph,
+ colander_comp);
+ assert(ret == 0);
+ }
+
+ BT_PUT(iterator);
+
+end:
+ bt_put(colander_in_port);
+ bt_put(colander_comp_cls);
+ bt_put(output_port_comp);
+ bt_put(graph);
+ return (void *) iterator;
+}
+
+struct bt_notification_iterator *
+bt_private_connection_notification_iterator_from_private(
+ struct bt_private_connection_private_notification_iterator *private_notification_iterator)
+{
+ return bt_get(
+ bt_private_connection_notification_iterator_borrow_from_private(
+ private_notification_iterator));
}
projects / babeltrace.git / blobdiff