iterator->auto_seek.msgs = NULL;
}
+ if (iterator->upstream_msg_iters) {
+ /*
+ * At this point the message iterator is finalized, so
+ * it's detached from any upstream message iterator.
+ */
+ BT_ASSERT(iterator->upstream_msg_iters->len == 0);
+ g_ptr_array_free(iterator->upstream_msg_iters, TRUE);
+ iterator->upstream_msg_iters = NULL;
+ }
+
destroy_base_message_iterator(obj);
}
void bt_self_component_port_input_message_iterator_try_finalize(
struct bt_self_component_port_input_message_iterator *iterator)
{
+ uint64_t i;
typedef void (*method_t)(void *);
struct bt_component_class *comp_class = NULL;
method(iterator);
}
+ /* Detach upstream message iterators */
+ for (i = 0; i < iterator->upstream_msg_iters->len; i++) {
+ struct bt_self_component_port_input_message_iterator *upstream_msg_iter =
+ iterator->upstream_msg_iters->pdata[i];
+
+ upstream_msg_iter->downstream_msg_iter = NULL;
+ }
+
+ g_ptr_array_set_size(iterator->upstream_msg_iters, 0);
+
+ /* Detach downstream message iterator */
+ if (iterator->downstream_msg_iter) {
+ gboolean existed;
+
+ BT_ASSERT(iterator->downstream_msg_iter->upstream_msg_iters);
+ existed = g_ptr_array_remove_fast(
+ iterator->downstream_msg_iter->upstream_msg_iters,
+ iterator);
+ BT_ASSERT(existed);
+ }
+
iterator->upstream_component = NULL;
iterator->upstream_port = NULL;
set_self_comp_port_input_msg_iterator_state(iterator,
static
struct bt_self_component_port_input_message_iterator *
-bt_self_component_port_input_message_iterator_create_initial(
- struct bt_component *upstream_comp,
- struct bt_port *upstream_port)
+create_self_component_input_port_message_iterator(
+ struct bt_self_message_iterator *self_downstream_msg_iter,
+ struct bt_self_component_port_input *self_port)
{
+ typedef enum bt_component_class_message_iterator_init_method_status (*init_method_t)(
+ void *, void *, void *);
+
int ret;
- struct bt_self_component_port_input_message_iterator *iterator = NULL;
+ init_method_t init_method = NULL;
+ struct bt_self_component_port_input_message_iterator *iterator =
+ NULL;
+ struct bt_self_component_port_input_message_iterator *downstream_msg_iter =
+ (void *) self_downstream_msg_iter;
+ struct bt_port *port = (void *) self_port;
+ struct bt_port *upstream_port;
+ struct bt_component *comp;
+ struct bt_component *upstream_comp;
+ struct bt_component_class *upstream_comp_cls;
- BT_ASSERT(upstream_comp);
+ BT_ASSERT_PRE_NON_NULL(port, "Input port");
+ comp = bt_port_borrow_component_inline(port);
+ BT_ASSERT_PRE(bt_port_is_connected(port),
+ "Input port is not connected: %![port-]+p", port);
+ BT_ASSERT_PRE(comp, "Input port is not part of a component: %![port-]+p",
+ port);
+ BT_ASSERT_PRE(!bt_component_graph_is_canceled(comp),
+ "Input port's component's graph is canceled: "
+ "%![port-]+p, %![comp-]+c", port, comp);
+ BT_ASSERT(port->connection);
+ upstream_port = port->connection->upstream_port;
BT_ASSERT(upstream_port);
- BT_ASSERT(bt_port_is_connected(upstream_port));
- BT_LIB_LOGI("Creating initial message iterator on self component input port: "
- "%![up-comp-]+c, %![up-port-]+p", upstream_comp, upstream_port);
- BT_ASSERT(bt_component_get_class_type(upstream_comp) ==
+ upstream_comp = bt_port_borrow_component_inline(upstream_port);
+ BT_ASSERT(upstream_comp);
+ BT_ASSERT_PRE(
+ bt_component_borrow_graph(upstream_comp)->config_state !=
+ BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
+ "Graph is not configured: %!+g",
+ bt_component_borrow_graph(upstream_comp));
+ upstream_comp_cls = upstream_comp->class;
+ BT_ASSERT(upstream_comp->class->type ==
BT_COMPONENT_CLASS_TYPE_SOURCE ||
- bt_component_get_class_type(upstream_comp) ==
+ upstream_comp->class->type ==
BT_COMPONENT_CLASS_TYPE_FILTER);
+ BT_LIB_LOGI("Creating message iterator on self component input port: "
+ "%![up-comp-]+c, %![up-port-]+p", upstream_comp, upstream_port);
iterator = g_new0(
struct bt_self_component_port_input_message_iterator, 1);
if (!iterator) {
}
iterator->last_ns_from_origin = INT64_MIN;
-
iterator->auto_seek.msgs = g_queue_new();
if (!iterator->auto_seek.msgs) {
BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GQueue.");
- ret = -1;
- goto end;
+ goto error;
+ }
+
+ iterator->upstream_msg_iters = g_ptr_array_new();
+ if (!iterator->upstream_msg_iters) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
+ goto error;
}
iterator->upstream_component = upstream_comp;
can_seek_beginning_true;
}
- BT_LIB_LOGI("Created initial message iterator on self component input port: "
- "%![up-port-]+p, %![up-comp-]+c, %![iter-]+i",
- upstream_port, upstream_comp, iterator);
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(iterator);
-
-end:
- return iterator;
-}
-
-struct bt_self_component_port_input_message_iterator *
-bt_self_component_port_input_message_iterator_create(
- struct bt_self_component_port_input *self_port)
-{
- typedef enum bt_component_class_message_iterator_init_method_status (*init_method_t)(
- void *, void *, void *);
-
- init_method_t init_method = NULL;
- struct bt_self_component_port_input_message_iterator *iterator =
- NULL;
- struct bt_port *port = (void *) self_port;
- struct bt_port *upstream_port;
- struct bt_component *comp;
- struct bt_component *upstream_comp;
- struct bt_component_class *upstream_comp_cls;
-
- BT_ASSERT_PRE_NON_NULL(port, "Port");
- comp = bt_port_borrow_component_inline(port);
- BT_ASSERT_PRE(bt_port_is_connected(port),
- "Port is not connected: %![port-]+p", port);
- BT_ASSERT_PRE(comp, "Port is not part of a component: %![port-]+p",
- port);
- BT_ASSERT_PRE(!bt_component_graph_is_canceled(comp),
- "Port's component's graph is canceled: "
- "%![port-]+p, %![comp-]+c", port, comp);
- BT_ASSERT(port->connection);
- upstream_port = port->connection->upstream_port;
- BT_ASSERT(upstream_port);
- upstream_comp = bt_port_borrow_component_inline(upstream_port);
- BT_ASSERT(upstream_comp);
- BT_ASSERT_PRE(
- bt_component_borrow_graph(upstream_comp)->config_state !=
- BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
- "Graph is not configured: %!+g",
- bt_component_borrow_graph(upstream_comp));
- upstream_comp_cls = upstream_comp->class;
- BT_ASSERT(upstream_comp->class->type ==
- BT_COMPONENT_CLASS_TYPE_SOURCE ||
- upstream_comp->class->type ==
- BT_COMPONENT_CLASS_TYPE_FILTER);
- iterator = bt_self_component_port_input_message_iterator_create_initial(
- upstream_comp, upstream_port);
- if (!iterator) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot create self component input port message iterator.");
- goto error;
- }
-
switch (upstream_comp_cls->type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
{
}
}
+ if (downstream_msg_iter) {
+ /* Set this message iterator's downstream message iterator */
+ iterator->downstream_msg_iter = downstream_msg_iter;
+
+ /*
+ * Add this message iterator to the downstream message
+ * iterator's array of upstream message iterators.
+ */
+ g_ptr_array_add(downstream_msg_iter->upstream_msg_iters,
+ iterator);
+ }
+
set_self_comp_port_input_msg_iterator_state(iterator,
BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE);
g_ptr_array_add(port->connection->iterators, iterator);
return iterator;
}
+struct bt_self_component_port_input_message_iterator *
+bt_self_component_port_input_message_iterator_create_from_message_iterator(
+ struct bt_self_message_iterator *self_msg_iter,
+ struct bt_self_component_port_input *input_port)
+{
+ BT_ASSERT_PRE_NON_NULL(self_msg_iter, "Message iterator");
+ return create_self_component_input_port_message_iterator(self_msg_iter,
+ input_port);
+}
+
+struct bt_self_component_port_input_message_iterator *
+bt_self_component_port_input_message_iterator_create_from_sink_component(
+ struct bt_self_component_sink *self_comp,
+ struct bt_self_component_port_input *input_port)
+{
+ BT_ASSERT_PRE_NON_NULL(self_comp, "Sink component");
+ return create_self_component_input_port_message_iterator(NULL,
+ input_port);
+}
+
void *bt_self_message_iterator_get_data(
const struct bt_self_message_iterator *self_iterator)
{
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