#include "component-class.h"
#include "component.h"
-#include "component-sink.h"
-#include "component-source.h"
#include "connection.h"
#include "graph.h"
+#include "iterator.h"
#include "message-iterator-class.h"
#include "message/discarded-items.h"
#include "message/event.h"
-#include "message/iterator.h"
#include "message/message.h"
#include "message/message-iterator-inactivity.h"
#include "message/stream.h"
(_iter)->state == BT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR, \
"Message iterator is in the wrong state: %!+i", (_iter))
+#ifdef BT_DEV_MODE
+struct per_stream_state
+{
+ bt_packet *cur_packet;
+
+ /* Bit mask of expected message types. */
+ guint expected_msg_types;
+};
+#endif
+
+static void
+clear_per_stream_state (struct bt_message_iterator *iterator)
+{
+#ifdef BT_DEV_MODE
+ g_hash_table_remove_all(iterator->per_stream_state);
+#else
+ BT_USE_EXPR(iterator);
+#endif
+}
+
static inline
void set_msg_iterator_state(struct bt_message_iterator *iterator,
enum bt_message_iterator_state state)
"%!+i", iterator);
bt_message_iterator_try_finalize(iterator);
+ if (iterator->clock_expectation.type ==
+ CLOCK_EXPECTATION_ORIGIN_OTHER_NO_UUID) {
+ BT_CLOCK_CLASS_PUT_REF_AND_RESET(
+ iterator->clock_expectation.clock_class);
+ }
+
if (iterator->connection) {
/*
* Remove ourself from the originating connection so
iterator->msgs = NULL;
}
+#ifdef BT_DEV_MODE
+ g_hash_table_destroy(iterator->per_stream_state);
+#endif
+
g_free(iterator);
}
-BT_HIDDEN
void bt_message_iterator_try_finalize(
struct bt_message_iterator *iterator)
{
return;
}
-BT_HIDDEN
void bt_message_iterator_set_connection(
struct bt_message_iterator *iterator,
struct bt_connection *connection)
static
enum bt_message_iterator_can_seek_beginning_status can_seek_ns_from_origin_true(
- struct bt_message_iterator *iterator,
- int64_t ns_from_origin, bt_bool *can_seek)
+ struct bt_message_iterator *iterator __attribute__((unused)),
+ int64_t ns_from_origin __attribute__((unused)),
+ bt_bool *can_seek)
{
*can_seek = BT_TRUE;
static
enum bt_message_iterator_can_seek_beginning_status can_seek_beginning_true(
- struct bt_message_iterator *iterator,
+ struct bt_message_iterator *iterator __attribute__((unused)),
bt_bool *can_seek)
{
*can_seek = BT_TRUE;
g_ptr_array_set_size(iterator->msgs, MSG_BATCH_SIZE);
iterator->last_ns_from_origin = INT64_MIN;
+
+#ifdef BT_DEV_MODE
+ /* The per-stream state is only used for dev assertions right now. */
+ iterator->per_stream_state = g_hash_table_new_full(
+ g_direct_hash,
+ g_direct_equal,
+ NULL,
+ g_free);
+#endif
+
iterator->auto_seek.msgs = g_queue_new();
if (!iterator->auto_seek.msgs) {
BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GQueue.");
return status;
}
+BT_EXPORT
bt_message_iterator_create_from_message_iterator_status
bt_message_iterator_create_from_message_iterator(
struct bt_self_message_iterator *self_msg_iter,
input_port, message_iterator, __func__);
}
+BT_EXPORT
bt_message_iterator_create_from_sink_component_status
bt_message_iterator_create_from_sink_component(
struct bt_self_component_sink *self_comp,
input_port, message_iterator, __func__);
}
+BT_EXPORT
void *bt_self_message_iterator_get_data(
const struct bt_self_message_iterator *self_iterator)
{
return iterator->user_data;
}
+BT_EXPORT
void bt_self_message_iterator_set_data(
struct bt_self_message_iterator *self_iterator, void *data)
{
"%!+i, user-data-addr=%p", iterator, data);
}
+BT_EXPORT
void bt_self_message_iterator_configuration_set_can_seek_forward(
bt_self_message_iterator_configuration *config,
bt_bool can_seek_forward)
bt_uuid_copy(iterator->clock_expectation.uuid, clock_class_uuid);
} else {
iterator->clock_expectation.type = CLOCK_EXPECTATION_ORIGIN_OTHER_NO_UUID;
+ iterator->clock_expectation.clock_class = clock_class;
+ bt_clock_class_get_ref(iterator->clock_expectation.clock_class);
}
break;
case CLOCK_EXPECTATION_ORIGIN_OTHER_NO_UUID:
if (!clock_class) {
BT_ASSERT_COND_DEV_MSG(
- "Expecting a clock class, got none.");
+ "Expecting clock class %![cc-]+K, got none.",
+ iterator->clock_expectation.clock_class);
result = false;
goto end;
}
- if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
+ if (clock_class != iterator->clock_expectation.clock_class) {
BT_ASSERT_COND_DEV_MSG(
- "Expecting a clock class without Unix epoch origin: %![cc-]+K",
+ "Expecting clock class %![cc-]+K, got %![cc-]+K.",
+ iterator->clock_expectation.clock_class,
clock_class);
result = false;
goto end;
}
- if (clock_class_uuid) {
- BT_ASSERT_COND_DEV_MSG(
- "Expecting a clock class without UUID: %![cc-]+K",
- clock_class);
- result = false;
- goto end;
- }
break;
}
}
return result;
}
+#ifdef BT_DEV_MODE
+static
+const bt_stream *get_stream_from_msg(const struct bt_message *msg)
+{
+ struct bt_stream *stream;
+
+ switch (msg->type) {
+ case BT_MESSAGE_TYPE_STREAM_BEGINNING:
+ case BT_MESSAGE_TYPE_STREAM_END:
+ {
+ struct bt_message_stream *msg_stream =
+ (struct bt_message_stream *) msg;
+ stream = msg_stream->stream;
+ break;
+ }
+ case BT_MESSAGE_TYPE_EVENT:
+ {
+ struct bt_message_event *msg_event =
+ (struct bt_message_event *) msg;
+ stream = msg_event->event->stream;
+ break;
+ }
+ case BT_MESSAGE_TYPE_PACKET_BEGINNING:
+ case BT_MESSAGE_TYPE_PACKET_END:
+ {
+ struct bt_message_packet *msg_packet =
+ (struct bt_message_packet *) msg;
+ stream = msg_packet->packet->stream;
+ break;
+ }
+ case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
+ case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
+ {
+ struct bt_message_discarded_items *msg_discarded =
+ (struct bt_message_discarded_items *) msg;
+ stream = msg_discarded->stream;
+ break;
+ }
+ case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
+ stream = NULL;
+ break;
+ default:
+ bt_common_abort();
+ }
+
+ return stream;
+}
+
+static
+GString *message_types_to_string(guint msg_types)
+{
+ GString *str = g_string_new("");
+
+ for (int msg_type = 1; msg_type <= BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY;
+ msg_type <<= 1) {
+ if (msg_type & msg_types) {
+ if (str->len > 0) {
+ g_string_append_c(str, '|');
+ }
+
+ g_string_append(str,
+ bt_common_message_type_string(msg_type));
+ }
+ }
+
+ return str;
+}
+
+static
+void update_expected_msg_type(const struct bt_stream *stream,
+ struct per_stream_state *state,
+ const struct bt_message *msg)
+{
+ switch (msg->type) {
+ case BT_MESSAGE_TYPE_STREAM_BEGINNING:
+ state->expected_msg_types = BT_MESSAGE_TYPE_STREAM_END;
+
+ if (stream->class->supports_packets) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_PACKET_BEGINNING;
+
+ if (stream->class->supports_discarded_packets) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_PACKETS;
+ }
+ } else {
+ state->expected_msg_types |= BT_MESSAGE_TYPE_EVENT;
+ }
+
+ if (stream->class->supports_discarded_events) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+ }
+
+ break;
+ case BT_MESSAGE_TYPE_STREAM_END:
+ state->expected_msg_types = 0;
+ break;
+ case BT_MESSAGE_TYPE_EVENT:
+ {
+ state->expected_msg_types = BT_MESSAGE_TYPE_EVENT;
+
+ if (stream->class->supports_packets) {
+ state->expected_msg_types |= BT_MESSAGE_TYPE_PACKET_END;
+ } else {
+ state->expected_msg_types |= BT_MESSAGE_TYPE_STREAM_END;
+ }
+
+ if (stream->class->supports_discarded_events) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+ }
+
+ break;
+ }
+ case BT_MESSAGE_TYPE_PACKET_BEGINNING:
+ {
+ state->expected_msg_types = BT_MESSAGE_TYPE_EVENT |
+ BT_MESSAGE_TYPE_PACKET_END;
+
+ if (stream->class->supports_discarded_events) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+ }
+
+ break;
+ }
+ case BT_MESSAGE_TYPE_PACKET_END:
+ {
+ state->expected_msg_types = BT_MESSAGE_TYPE_PACKET_BEGINNING |
+ BT_MESSAGE_TYPE_STREAM_END;
+
+ if (stream->class->supports_discarded_events) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+ }
+
+ if (stream->class->supports_discarded_packets) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_PACKETS;
+ }
+
+ break;
+ }
+ case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
+ state->expected_msg_types = BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+
+ if (state->cur_packet) {
+ state->expected_msg_types |= BT_MESSAGE_TYPE_EVENT |
+ BT_MESSAGE_TYPE_PACKET_END;
+ } else {
+ state->expected_msg_types |= BT_MESSAGE_TYPE_STREAM_END;
+
+ if (stream->class->supports_packets) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_PACKET_BEGINNING;
+
+ if (stream->class->supports_discarded_packets) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_PACKETS;
+ }
+ } else {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_EVENT;
+ }
+ }
+
+ break;
+ case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
+ state->expected_msg_types = BT_MESSAGE_TYPE_DISCARDED_PACKETS |
+ BT_MESSAGE_TYPE_PACKET_BEGINNING |
+ BT_MESSAGE_TYPE_STREAM_END;
+
+ if (stream->class->supports_discarded_events) {
+ state->expected_msg_types |=
+ BT_MESSAGE_TYPE_DISCARDED_EVENTS;
+ }
+ break;
+ default:
+ /*
+ * Other message types are not associated to a stream, so we
+ * should not get them here.
+ */
+ bt_common_abort();
+ }
+}
+
+static
+struct per_stream_state *get_per_stream_state(
+ struct bt_message_iterator *iterator,
+ const struct bt_stream *stream)
+{
+ struct per_stream_state *state = g_hash_table_lookup(
+ iterator->per_stream_state, stream);
+
+ if (!state) {
+ state = g_new0(struct per_stream_state, 1);
+ state->expected_msg_types = BT_MESSAGE_TYPE_STREAM_BEGINNING;
+ g_hash_table_insert(iterator->per_stream_state,
+ (gpointer) stream, state);
+ }
+
+ return state;
+}
+#endif
+
+#define NEXT_METHOD_NAME "bt_message_iterator_class_next_method"
+
+#ifdef BT_DEV_MODE
+static
+void assert_post_dev_expected_sequence(struct bt_message_iterator *iterator,
+ const struct bt_message *msg)
+{
+ const bt_stream *stream = get_stream_from_msg(msg);
+ struct per_stream_state *state;
+
+ if (!stream) {
+ goto end;
+ }
+
+ state = get_per_stream_state(iterator, stream);
+
+ /*
+ * We don't free the return value of message_types_to_string(), but
+ * that's because we know the program is going to abort anyway, and
+ * we don't want to call it if the assertion holds.
+ */
+ BT_ASSERT_POST_DEV(NEXT_METHOD_NAME,
+ "message-type-is-expected",
+ msg->type & state->expected_msg_types,
+ "Unexpected message type: %![stream-]s, %![iterator-]i, "
+ "%![message-]n, expected-msg-types=%s",
+ stream, iterator, msg,
+ message_types_to_string(state->expected_msg_types)->str);
+
+ update_expected_msg_type(stream, state, msg);
+
+end:
+ return;
+}
+
+static
+void assert_post_dev_expected_packet(struct bt_message_iterator *iterator,
+ const struct bt_message *msg)
+{
+ const bt_stream *stream = get_stream_from_msg(msg);
+ struct per_stream_state *state;
+ const bt_packet *actual_packet = NULL;
+ const bt_packet *expected_packet = NULL;
+
+ if (!stream) {
+ goto end;
+ }
+
+ state = get_per_stream_state(iterator, stream);
+
+ switch (msg->type) {
+ case BT_MESSAGE_TYPE_EVENT:
+ {
+ const struct bt_message_event *msg_event =
+ (const struct bt_message_event *) msg;
+
+ actual_packet = msg_event->event->packet;
+ expected_packet = state->cur_packet;
+ break;
+ }
+ case BT_MESSAGE_TYPE_PACKET_BEGINNING:
+ {
+ const struct bt_message_packet *msg_packet =
+ (const struct bt_message_packet *) msg;
+
+ BT_ASSERT(!state->cur_packet);
+ state->cur_packet = msg_packet->packet;
+ break;
+ }
+ case BT_MESSAGE_TYPE_PACKET_END:
+ {
+ const struct bt_message_packet *msg_packet =
+ (const struct bt_message_packet *) msg;
+
+ actual_packet = msg_packet->packet;
+ expected_packet = state->cur_packet;
+ BT_ASSERT(state->cur_packet);
+ state->cur_packet = NULL;
+ break;
+ }
+ default:
+ break;
+ }
+
+ BT_ASSERT_POST_DEV(NEXT_METHOD_NAME,
+ "message-packet-is-expected",
+ actual_packet == expected_packet,
+ "Message's packet is not expected: %![stream-]s, %![iterator-]i, "
+ "%![message-]n, %![received-packet-]a, %![expected-packet-]a",
+ stream, iterator, msg, actual_packet, expected_packet);
+
+end:
+ return;
+}
+
+static
+void assert_post_dev_next(
+ struct bt_message_iterator *iterator,
+ bt_message_iterator_class_next_method_status status,
+ bt_message_array_const msgs, uint64_t msg_count)
+{
+ if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
+ uint64_t i;
+
+ for (i = 0; i < msg_count; i++) {
+ assert_post_dev_expected_sequence(iterator, msgs[i]);
+ assert_post_dev_expected_packet(iterator, msgs[i]);
+ }
+ } else if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END) {
+ GHashTableIter iter;
+
+ gpointer stream_v, stream_state_v;
+
+ g_hash_table_iter_init(&iter, iterator->per_stream_state);
+ while (g_hash_table_iter_next(&iter, &stream_v,
+ &stream_state_v)) {
+ struct bt_stream *stream = stream_v;
+ struct per_stream_state *stream_state = stream_state_v;
+
+ BT_ASSERT_POST_DEV(NEXT_METHOD_NAME,
+ "stream-is-ended",
+ stream_state->expected_msg_types == 0,
+ "Stream is not ended: %![stream-]s, "
+ "%![iterator-]i, expected-msg-types=%s",
+ stream, iterator,
+ message_types_to_string(
+ stream_state->expected_msg_types)->str);
+ }
+
+ }
+}
+#endif
+
/*
* Call the `next` method of the iterator. Do some validation on the returned
* messages.
*/
-#define NEXT_METHOD_NAME "bt_message_iterator_class_next_method"
-
static
enum bt_message_iterator_class_next_method_status
call_iterator_next_method(
"Clock snapshots are not monotonic");
}
+#ifdef BT_DEV_MODE
+ assert_post_dev_next(iterator, status, msgs, *user_count);
+#endif
+
BT_ASSERT_POST_DEV_NO_ERROR_IF_NO_ERROR_STATUS(NEXT_METHOD_NAME,
status);
return status;
}
+BT_EXPORT
enum bt_message_iterator_next_status
bt_message_iterator_next(
struct bt_message_iterator *iterator,
* by its downstream owner.
*
* For the same reason, there is no way that this iterator could
- * have seeked (cannot seek a self message iterator).
+ * have sought (cannot seek a self message iterator).
*/
BT_ASSERT_DBG(iterator->state ==
BT_MESSAGE_ITERATOR_STATE_ACTIVE);
return status;
}
+BT_EXPORT
struct bt_component *
bt_message_iterator_borrow_component(
struct bt_message_iterator *iterator)
return iterator->upstream_component;
}
+BT_EXPORT
struct bt_self_component *bt_self_message_iterator_borrow_component(
struct bt_self_message_iterator *self_iterator)
{
return (void *) iterator->upstream_component;
}
+BT_EXPORT
struct bt_self_component_port_output *bt_self_message_iterator_borrow_port(
struct bt_self_message_iterator *self_iterator)
{
#define CAN_SEEK_NS_FROM_ORIGIN_METHOD_NAME \
"bt_message_iterator_class_can_seek_ns_from_origin_method"
+BT_EXPORT
enum bt_message_iterator_can_seek_ns_from_origin_status
bt_message_iterator_can_seek_ns_from_origin(
struct bt_message_iterator *iterator,
#define CAN_SEEK_BEGINNING_METHOD_NAME \
"bt_message_iterator_class_can_seek_beginning"
+BT_EXPORT
enum bt_message_iterator_can_seek_beginning_status
bt_message_iterator_can_seek_beginning(
struct bt_message_iterator *iterator,
#define SEEK_BEGINNING_METHOD_NAME \
"bt_message_iterator_class_seek_beginning_method"
+BT_EXPORT
enum bt_message_iterator_seek_beginning_status
bt_message_iterator_seek_beginning(struct bt_message_iterator *iterator)
{
iterator, bt_common_func_status_string(status));
}
+ clear_per_stream_state(iterator);
+
set_iterator_state_after_seeking(iterator, status);
return status;
}
+BT_EXPORT
bt_bool
bt_message_iterator_can_seek_forward(
bt_message_iterator *iterator)
/*
* This function is installed as the iterator's next callback after we have
- * auto-seeked (seeked to the beginning and fast-forwarded) to send the
+ * auto-sought (sought to the beginning and fast-forwarded) to send the
* messages saved in iterator->auto_seek.msgs. Once this is done, the original
* next callback is put back.
*/
"bt_message_iterator_class_seek_ns_from_origin_method"
+BT_EXPORT
enum bt_message_iterator_seek_ns_from_origin_status
bt_message_iterator_seek_ns_from_origin(
struct bt_message_iterator *iterator,
iterator, bt_common_func_status_string(status));
}
+ clear_per_stream_state(iterator);
+
switch (status) {
case BT_FUNC_STATUS_OK:
break;
}
}
+ clear_per_stream_state(iterator);
+
/*
* The following messages returned by the next method (including
* post_auto_seek_next) must be after (or at) `ns_from_origin`.
return status;
}
+BT_EXPORT
bt_bool bt_self_message_iterator_is_interrupted(
const struct bt_self_message_iterator *self_msg_iter)
{
return (bt_bool) bt_graph_is_interrupted(iterator->graph);
}
+BT_EXPORT
void bt_message_iterator_get_ref(
const struct bt_message_iterator *iterator)
{
bt_object_get_ref(iterator);
}
+BT_EXPORT
void bt_message_iterator_put_ref(
const struct bt_message_iterator *iterator)
{
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