lib: graph API: remove "listener removed" callback parameters
[babeltrace.git] / src / lib / graph / graph.c
index 62175cf98b8413eb59be2dd3b5399ac983ce0595..70d00c3de1d70dd03d20576b8868cf4acd3d5a44 100644 (file)
 #include <babeltrace2/value-const.h>
 #include "lib/value.h"
 #include <unistd.h>
+#include <stdbool.h>
 #include <glib.h>
 
+#include "component-class-sink-simple.h"
 #include "component.h"
 #include "component-sink.h"
 #include "connection.h"
 #include "graph.h"
+#include "interrupter.h"
 #include "message/event.h"
 #include "message/packet.h"
 
-typedef enum bt_graph_listener_status (*port_added_func_t)(
-               const void *, const void *, void *);
+typedef enum bt_graph_listener_func_status
+(*port_added_func_t)(const void *, const void *, void *);
 
-typedef enum bt_graph_listener_status (*ports_connected_func_t)(
-               const void *, const void *, const void *, const void *, void *);
-
-typedef enum bt_self_component_status (*comp_init_method_t)(const void *,
-               const void *, void *);
-
-struct bt_graph_listener {
-       bt_graph_listener_removed_func removed;
-       void *data;
-};
+typedef enum bt_component_class_initialize_method_status
+(*comp_init_method_t)(const void *, void *, const void *, void *);
 
 struct bt_graph_listener_port_added {
-       struct bt_graph_listener base;
        port_added_func_t func;
-};
-
-struct bt_graph_listener_ports_connected {
-       struct bt_graph_listener base;
-       ports_connected_func_t func;
+       void *data;
 };
 
 #define INIT_LISTENERS_ARRAY(_type, _listeners)                                \
        do {                                                            \
                _listeners = g_array_new(FALSE, TRUE, sizeof(_type));   \
                if (!(_listeners)) {                                    \
-                       BT_LOGE_STR("Failed to allocate one GArray.");  \
-               }                                                       \
-       } while (0)
-
-#define CALL_REMOVE_LISTENERS(_type, _listeners)                       \
-       do {                                                            \
-               size_t i;                                               \
-                                                                       \
-               if (!_listeners) {                                      \
-                       break;                                          \
-               }                                                       \
-               for (i = 0; i < (_listeners)->len; i++) {               \
-                       _type *listener =                               \
-                               &g_array_index((_listeners), _type, i); \
-                                                                       \
-                       if (listener->base.removed) {                   \
-                               listener->base.removed(listener->base.data); \
-                       }                                               \
+                       BT_LIB_LOGE_APPEND_CAUSE(                       \
+                               "Failed to allocate one GArray.");      \
                }                                                       \
        } while (0)
 
@@ -131,30 +105,7 @@ void destroy_graph(struct bt_object *obj)
         */
        BT_LIB_LOGI("Destroying graph: %!+g", graph);
        obj->ref_count++;
-
-       /*
-        * Cancel the graph to disallow some operations, like creating
-        * message iterators and adding ports to components.
-        */
-       (void) bt_graph_cancel((void *) graph);
-
-       /* Call all remove listeners */
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added,
-               graph->listeners.source_output_port_added);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added,
-               graph->listeners.filter_output_port_added);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added,
-               graph->listeners.filter_input_port_added);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added,
-               graph->listeners.sink_input_port_added);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected,
-               graph->listeners.source_filter_ports_connected);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected,
-               graph->listeners.filter_filter_ports_connected);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected,
-               graph->listeners.source_sink_ports_connected);
-       CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected,
-               graph->listeners.filter_sink_ports_connected);
+       graph->config_state = BT_GRAPH_CONFIGURATION_STATE_DESTROYING;
 
        if (graph->messages) {
                g_ptr_array_free(graph->messages, TRUE);
@@ -173,6 +124,14 @@ void destroy_graph(struct bt_object *obj)
                graph->components = NULL;
        }
 
+       if (graph->interrupters) {
+               BT_LOGD_STR("Putting interrupters.");
+               g_ptr_array_free(graph->interrupters, TRUE);
+               graph->interrupters = NULL;
+       }
+
+       BT_OBJECT_PUT_REF_AND_RESET(graph->default_interrupter);
+
        if (graph->sinks_to_consume) {
                g_queue_free(graph->sinks_to_consume);
                graph->sinks_to_consume = NULL;
@@ -198,30 +157,6 @@ void destroy_graph(struct bt_object *obj)
                graph->listeners.sink_input_port_added = NULL;
        }
 
-       if (graph->listeners.source_filter_ports_connected) {
-               g_array_free(graph->listeners.source_filter_ports_connected,
-                       TRUE);
-               graph->listeners.source_filter_ports_connected = NULL;
-       }
-
-       if (graph->listeners.filter_filter_ports_connected) {
-               g_array_free(graph->listeners.filter_filter_ports_connected,
-                       TRUE);
-               graph->listeners.filter_filter_ports_connected = NULL;
-       }
-
-       if (graph->listeners.source_sink_ports_connected) {
-               g_array_free(graph->listeners.source_sink_ports_connected,
-                       TRUE);
-               graph->listeners.source_sink_ports_connected = NULL;
-       }
-
-       if (graph->listeners.filter_sink_ports_connected) {
-               g_array_free(graph->listeners.filter_sink_ports_connected,
-                       TRUE);
-               graph->listeners.filter_sink_ports_connected = NULL;
-       }
-
        bt_object_pool_finalize(&graph->event_msg_pool);
        bt_object_pool_finalize(&graph->packet_begin_msg_pool);
        bt_object_pool_finalize(&graph->packet_end_msg_pool);
@@ -255,34 +190,40 @@ void notify_message_graph_is_destroyed(struct bt_message *msg)
        bt_message_unlink_graph(msg);
 }
 
-struct bt_graph *bt_graph_create(void)
+struct bt_graph *bt_graph_create(uint64_t mip_version)
 {
        struct bt_graph *graph;
        int ret;
 
+       BT_ASSERT_PRE_NO_ERROR();
+       BT_ASSERT_PRE(mip_version <= bt_get_maximal_mip_version(),
+               "Unknown MIP version: mip-version=%" PRIu64 ", "
+               "max-mip-version=%" PRIu64,
+               mip_version, bt_get_maximal_mip_version());
        BT_LOGI_STR("Creating graph object.");
        graph = g_new0(struct bt_graph, 1);
        if (!graph) {
-               BT_LOGE_STR("Failed to allocate one graph.");
+               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one graph.");
                goto end;
        }
 
        bt_object_init_shared(&graph->base, destroy_graph);
+       graph->mip_version = mip_version;
        graph->connections = g_ptr_array_new_with_free_func(
                (GDestroyNotify) bt_object_try_spec_release);
        if (!graph->connections) {
-               BT_LOGE_STR("Failed to allocate one GPtrArray.");
+               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
                goto error;
        }
        graph->components = g_ptr_array_new_with_free_func(
                (GDestroyNotify) bt_object_try_spec_release);
        if (!graph->components) {
-               BT_LOGE_STR("Failed to allocate one GPtrArray.");
+               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
                goto error;
        }
        graph->sinks_to_consume = g_queue_new();
        if (!graph->sinks_to_consume) {
-               BT_LOGE_STR("Failed to allocate one GQueue.");
+               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GQueue.");
                goto error;
        }
 
@@ -291,7 +232,6 @@ struct bt_graph *bt_graph_create(void)
                graph->listeners.source_output_port_added);
 
        if (!graph->listeners.source_output_port_added) {
-               ret = -1;
                goto error;
        }
 
@@ -299,7 +239,6 @@ struct bt_graph *bt_graph_create(void)
                graph->listeners.filter_output_port_added);
 
        if (!graph->listeners.filter_output_port_added) {
-               ret = -1;
                goto error;
        }
 
@@ -307,7 +246,6 @@ struct bt_graph *bt_graph_create(void)
                graph->listeners.filter_input_port_added);
 
        if (!graph->listeners.filter_input_port_added) {
-               ret = -1;
                goto error;
        }
 
@@ -315,48 +253,31 @@ struct bt_graph *bt_graph_create(void)
                graph->listeners.sink_input_port_added);
 
        if (!graph->listeners.sink_input_port_added) {
-               ret = -1;
-               goto error;
-       }
-
-       INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected,
-               graph->listeners.source_filter_ports_connected);
-
-       if (!graph->listeners.source_filter_ports_connected) {
-               ret = -1;
                goto error;
        }
 
-       INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected,
-               graph->listeners.source_sink_ports_connected);
-
-       if (!graph->listeners.source_sink_ports_connected) {
-               ret = -1;
+       graph->interrupters = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref_no_null_check);
+       if (!graph->interrupters) {
+               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
                goto error;
        }
 
-       INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected,
-               graph->listeners.filter_filter_ports_connected);
-
-       if (!graph->listeners.filter_filter_ports_connected) {
-               ret = -1;
-               goto error;
-       }
-
-       INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected,
-               graph->listeners.filter_sink_ports_connected);
-
-       if (!graph->listeners.filter_sink_ports_connected) {
-               ret = -1;
+       graph->default_interrupter = bt_interrupter_create();
+       if (!graph->default_interrupter) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to create one interrupter object.");
                goto error;
        }
 
+       bt_graph_add_interrupter(graph, graph->default_interrupter);
        ret = bt_object_pool_initialize(&graph->event_msg_pool,
                (bt_object_pool_new_object_func) bt_message_event_new,
                (bt_object_pool_destroy_object_func) destroy_message_event,
                graph);
        if (ret) {
-               BT_LOGE("Failed to initialize event message pool: ret=%d",
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to initialize event message pool: ret=%d",
                        ret);
                goto error;
        }
@@ -366,7 +287,8 @@ struct bt_graph *bt_graph_create(void)
                (bt_object_pool_destroy_object_func) destroy_message_packet_begin,
                graph);
        if (ret) {
-               BT_LOGE("Failed to initialize packet beginning message pool: ret=%d",
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to initialize packet beginning message pool: ret=%d",
                        ret);
                goto error;
        }
@@ -376,7 +298,8 @@ struct bt_graph *bt_graph_create(void)
                (bt_object_pool_destroy_object_func) destroy_message_packet_end,
                graph);
        if (ret) {
-               BT_LOGE("Failed to initialize packet end message pool: ret=%d",
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to initialize packet end message pool: ret=%d",
                        ret);
                goto error;
        }
@@ -393,26 +316,25 @@ error:
        goto end;
 }
 
-enum bt_graph_status bt_graph_connect_ports(
+enum bt_graph_connect_ports_status bt_graph_connect_ports(
                struct bt_graph *graph,
                const struct bt_port_output *upstream_port_out,
                const struct bt_port_input *downstream_port_in,
                const struct bt_connection **user_connection)
 {
-       enum bt_graph_status status = BT_GRAPH_STATUS_OK;
-       enum bt_graph_listener_status listener_status;
+       enum bt_graph_connect_ports_status status = BT_FUNC_STATUS_OK;
        struct bt_connection *connection = NULL;
        struct bt_port *upstream_port = (void *) upstream_port_out;
        struct bt_port *downstream_port = (void *) downstream_port_in;
        struct bt_component *upstream_component = NULL;
        struct bt_component *downstream_component = NULL;
-       enum bt_self_component_status component_status;
+       enum bt_component_class_port_connected_method_status port_connected_status;
        bool init_can_consume;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(upstream_port, "Upstream port");
        BT_ASSERT_PRE_NON_NULL(downstream_port, "Downstream port port");
-       BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
        BT_ASSERT_PRE(
                graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
                "Graph is not in the \"configuring\" state: %!+g", graph);
@@ -440,8 +362,8 @@ enum bt_graph_status bt_graph_connect_ports(
        connection = bt_connection_create(graph, (void *) upstream_port,
                (void *) downstream_port);
        if (!connection) {
-               BT_LOGW("Cannot create connection object.");
-               status = BT_GRAPH_STATUS_NOMEM;
+               BT_LIB_LOGE_APPEND_CAUSE("Cannot create connection object.");
+               status = BT_FUNC_STATUS_MEMORY_ERROR;
                goto end;
        }
 
@@ -458,17 +380,22 @@ enum bt_graph_status bt_graph_connect_ports(
         */
        BT_LIB_LOGD("Notifying upstream component that its port is connected: "
                "%![comp-]+c, %![port-]+p", upstream_component, upstream_port);
-       component_status = bt_component_port_connected(upstream_component,
+       port_connected_status = bt_component_port_connected(upstream_component,
                (void *) upstream_port, (void *) downstream_port);
-       if (component_status != BT_SELF_COMPONENT_STATUS_OK) {
-               BT_LIB_LOGW("Error while notifying upstream component that its port is connected: "
-                       "status=%s, %![graph-]+g, %![up-comp-]+c, "
-                       "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p",
-                       bt_self_component_status_string(component_status),
-                       graph, upstream_component, downstream_component,
-                       upstream_port, downstream_port);
+       if (port_connected_status != BT_FUNC_STATUS_OK) {
+               if (port_connected_status < 0) {
+                       BT_LIB_LOGW_APPEND_CAUSE(
+                               "Upstream component's \"port connected\" method failed: "
+                               "status=%s, %![graph-]+g, %![up-comp-]+c, "
+                               "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p",
+                               bt_common_func_status_string(
+                                       port_connected_status),
+                               graph, upstream_component, downstream_component,
+                               upstream_port, downstream_port);
+               }
+
                bt_connection_end(connection, true);
-               status = (int) component_status;
+               status = (int) port_connected_status;
                goto end;
        }
 
@@ -476,33 +403,27 @@ enum bt_graph_status bt_graph_connect_ports(
        BT_LIB_LOGD("Notifying downstream component that its port is connected: "
                "%![comp-]+c, %![port-]+p", downstream_component,
                downstream_port);
-       component_status = bt_component_port_connected(downstream_component,
+       port_connected_status = bt_component_port_connected(downstream_component,
                (void *) downstream_port, (void *) upstream_port);
-       if (component_status != BT_SELF_COMPONENT_STATUS_OK) {
-               BT_LIB_LOGW("Error while notifying downstream component that its port is connected: "
-                       "status=%s, %![graph-]+g, %![up-comp-]+c, "
-                       "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p",
-                       bt_self_component_status_string(component_status),
-                       graph, upstream_component, downstream_component,
-                       upstream_port, downstream_port);
+       if (port_connected_status != BT_FUNC_STATUS_OK) {
+               if (port_connected_status < 0) {
+                       BT_LIB_LOGW_APPEND_CAUSE(
+                               "Downstream component's \"port connected\" method failed: "
+                               "status=%s, %![graph-]+g, %![up-comp-]+c, "
+                               "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p",
+                               bt_common_func_status_string(
+                                       port_connected_status),
+                               graph, upstream_component, downstream_component,
+                               upstream_port, downstream_port);
+               }
+
                bt_connection_end(connection, true);
-               status = (int) component_status;
+               status = (int) port_connected_status;
                goto end;
        }
 
        connection->notified_downstream_port_connected = true;
 
-       /*
-        * Notify the graph's creator that both ports are connected.
-        */
-       BT_LOGD_STR("Notifying graph's user that new component ports are connected.");
-       listener_status = bt_graph_notify_ports_connected(graph, upstream_port, downstream_port);
-       if (listener_status != BT_GRAPH_LISTENER_STATUS_OK) {
-               status = (int) listener_status;
-               goto end;
-       }
-
-       connection->notified_graph_ports_connected = true;
        BT_LIB_LOGI("Connected component ports within graph: "
                "%![graph-]+g, %![up-comp-]+c, %![down-comp-]+c, "
                "%![up-port-]+p, %![down-port-]+p",
@@ -516,7 +437,7 @@ enum bt_graph_status bt_graph_connect_ports(
        }
 
 end:
-       if (status != BT_GRAPH_STATUS_OK) {
+       if (status != BT_FUNC_STATUS_OK) {
                bt_graph_make_faulty(graph);
        }
 
@@ -527,35 +448,43 @@ end:
 }
 
 static inline
-enum bt_graph_status consume_graph_sink(struct bt_component_sink *comp)
+int consume_graph_sink(struct bt_component_sink *comp)
 {
-       enum bt_self_component_status comp_status;
+       enum bt_component_class_sink_consume_method_status consume_status;
        struct bt_component_class_sink *sink_class = NULL;
 
-       BT_ASSERT(comp);
+       BT_ASSERT_DBG(comp);
        sink_class = (void *) comp->parent.class;
-       BT_ASSERT(sink_class->methods.consume);
+       BT_ASSERT_DBG(sink_class->methods.consume);
        BT_LIB_LOGD("Calling user's consume method: %!+c", comp);
-       comp_status = sink_class->methods.consume((void *) comp);
+       consume_status = sink_class->methods.consume((void *) comp);
        BT_LOGD("User method returned: status=%s",
-               bt_self_component_status_string(comp_status));
-       BT_ASSERT_POST(comp_status == BT_SELF_COMPONENT_STATUS_OK ||
-               comp_status == BT_SELF_COMPONENT_STATUS_END ||
-               comp_status == BT_SELF_COMPONENT_STATUS_AGAIN ||
-               comp_status == BT_SELF_COMPONENT_STATUS_ERROR ||
-               comp_status == BT_SELF_COMPONENT_STATUS_NOMEM,
+               bt_common_func_status_string(consume_status));
+       BT_ASSERT_POST_DEV(consume_status == BT_FUNC_STATUS_OK ||
+               consume_status == BT_FUNC_STATUS_END ||
+               consume_status == BT_FUNC_STATUS_AGAIN ||
+               consume_status == BT_FUNC_STATUS_ERROR ||
+               consume_status == BT_FUNC_STATUS_MEMORY_ERROR,
                "Invalid component status returned by consuming method: "
-               "status=%s", bt_self_component_status_string(comp_status));
-       if (comp_status < 0) {
-               BT_LOGW_STR("Consume method failed.");
+               "status=%s", bt_common_func_status_string(consume_status));
+       BT_ASSERT_POST_DEV_NO_ERROR_IF_NO_ERROR_STATUS(consume_status);
+       if (consume_status) {
+               if (consume_status < 0) {
+                       BT_LIB_LOGW_APPEND_CAUSE(
+                               "Component's \"consume\" method failed: "
+                               "status=%s, %![comp-]+c",
+                               bt_common_func_status_string(consume_status),
+                               comp);
+               }
+
                goto end;
        }
 
        BT_LIB_LOGD("Consumed from sink: %![comp-]+c, status=%s",
-               comp, bt_self_component_status_string(comp_status));
+               comp, bt_common_func_status_string(consume_status));
 
 end:
-       return (int) comp_status;
+       return consume_status;
 }
 
 /*
@@ -564,14 +493,14 @@ end:
  * still something to consume afterwards.
  */
 static inline
-enum bt_graph_status consume_sink_node(struct bt_graph *graph, GList *node)
+int consume_sink_node(struct bt_graph *graph, GList *node)
 {
-       enum bt_graph_status status;
+       int status;
        struct bt_component_sink *sink;
 
        sink = node->data;
        status = consume_graph_sink(sink);
-       if (G_UNLIKELY(status != BT_GRAPH_STATUS_END)) {
+       if (G_UNLIKELY(status != BT_FUNC_STATUS_END)) {
                g_queue_push_tail_link(graph->sinks_to_consume, node);
                goto end;
        }
@@ -581,30 +510,30 @@ enum bt_graph_status consume_sink_node(struct bt_graph *graph, GList *node)
 
        /* Don't forward an END status if there are sinks left to consume. */
        if (!g_queue_is_empty(graph->sinks_to_consume)) {
-               status = BT_GRAPH_STATUS_OK;
+               status = BT_FUNC_STATUS_OK;
                goto end;
        }
 
 end:
        BT_LIB_LOGD("Consumed sink node: %![comp-]+c, status=%s",
-               sink, bt_graph_status_string(status));
+               sink, bt_common_func_status_string(status));
        return status;
 }
 
 BT_HIDDEN
-enum bt_graph_status bt_graph_consume_sink_no_check(struct bt_graph *graph,
+int bt_graph_consume_sink_no_check(struct bt_graph *graph,
                struct bt_component_sink *sink)
 {
-       enum bt_graph_status status;
+       int status;
        GList *sink_node;
        int index;
 
        BT_LIB_LOGD("Making specific sink consume: %![comp-]+c", sink);
-       BT_ASSERT(bt_component_borrow_graph((void *) sink) == graph);
+       BT_ASSERT_DBG(bt_component_borrow_graph((void *) sink) == graph);
 
        if (g_queue_is_empty(graph->sinks_to_consume)) {
                BT_LOGD_STR("Graph's sink queue is empty: end of graph.");
-               status = BT_GRAPH_STATUS_END;
+               status = BT_FUNC_STATUS_END;
                goto end;
        }
 
@@ -612,12 +541,12 @@ enum bt_graph_status bt_graph_consume_sink_no_check(struct bt_graph *graph,
        if (index < 0) {
                BT_LIB_LOGD("Sink component is not marked as consumable: "
                        "component sink is ended: %![comp-]+c", sink);
-               status = BT_GRAPH_STATUS_END;
+               status = BT_FUNC_STATUS_END;
                goto end;
        }
 
        sink_node = g_queue_pop_nth_link(graph->sinks_to_consume, index);
-       BT_ASSERT(sink_node);
+       BT_ASSERT_DBG(sink_node);
        status = consume_sink_node(graph, sink_node);
 
 end:
@@ -625,19 +554,19 @@ end:
 }
 
 static inline
-enum bt_graph_status consume_no_check(struct bt_graph *graph)
+int consume_no_check(struct bt_graph *graph)
 {
-       enum bt_graph_status status = BT_GRAPH_STATUS_OK;
+       int status = BT_FUNC_STATUS_OK;
        struct bt_component *sink;
        GList *current_node;
 
-       BT_ASSERT_PRE(graph->has_sink,
+       BT_ASSERT_PRE_DEV(graph->has_sink,
                "Graph has no sink component: %!+g", graph);
        BT_LIB_LOGD("Making next sink component consume: %![graph-]+g", graph);
 
        if (G_UNLIKELY(g_queue_is_empty(graph->sinks_to_consume))) {
                BT_LOGD_STR("Graph's sink queue is empty: end of graph.");
-               status = BT_GRAPH_STATUS_END;
+               status = BT_FUNC_STATUS_END;
                goto end;
        }
 
@@ -650,15 +579,16 @@ end:
        return status;
 }
 
-enum bt_graph_status bt_graph_consume(struct bt_graph *graph)
+enum bt_graph_run_once_status bt_graph_run_once(struct bt_graph *graph)
 {
-       enum bt_graph_status status;
+       enum bt_graph_run_once_status status;
 
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
-       BT_ASSERT_PRE(graph->can_consume,
+       BT_ASSERT_PRE_NO_ERROR();
+       BT_ASSERT_PRE_DEV_NON_NULL(graph, "Graph");
+       BT_ASSERT_PRE_DEV(graph->can_consume,
                "Cannot consume graph in its current state: %!+g", graph);
-       BT_ASSERT_PRE(graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY,
+       BT_ASSERT_PRE_DEV(graph->config_state !=
+               BT_GRAPH_CONFIGURATION_STATE_FAULTY,
                "Graph is in a faulty state: %!+g", graph);
        bt_graph_set_can_consume(graph, false);
        status = bt_graph_configure(graph);
@@ -674,12 +604,12 @@ end:
        return status;
 }
 
-enum bt_graph_status bt_graph_run(struct bt_graph *graph)
+enum bt_graph_run_status bt_graph_run(struct bt_graph *graph)
 {
-       enum bt_graph_status status;
+       enum bt_graph_run_status status;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
        BT_ASSERT_PRE(graph->can_consume,
                "Cannot consume graph in its current state: %!+g", graph);
        BT_ASSERT_PRE(graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY,
@@ -695,20 +625,20 @@ enum bt_graph_status bt_graph_run(struct bt_graph *graph)
 
        do {
                /*
-                * Check if the graph is canceled at each iteration. If
-                * the graph was canceled by another thread or by a
-                * signal handler, this is not a warning nor an error,
-                * it was intentional: log with a DEBUG level only.
+                * Check if the graph is interrupted at each iteration.
+                * If the graph was interrupted by another thread or by
+                * a signal handler, this is NOT a warning nor an error;
+                * it was intentional: log with an INFO level only.
                 */
-               if (G_UNLIKELY(graph->canceled)) {
-                       BT_LIB_LOGI("Stopping the graph: graph is canceled: "
-                               "%!+g", graph);
-                       status = BT_GRAPH_STATUS_CANCELED;
+               if (G_UNLIKELY(bt_graph_is_interrupted(graph))) {
+                       BT_LIB_LOGI("Stopping the graph: "
+                               "graph was interrupted: %!+g", graph);
+                       status = BT_FUNC_STATUS_AGAIN;
                        goto end;
                }
 
                status = consume_no_check(graph);
-               if (G_UNLIKELY(status == BT_GRAPH_STATUS_AGAIN)) {
+               if (G_UNLIKELY(status == BT_FUNC_STATUS_AGAIN)) {
                        /*
                         * If AGAIN is received and there are multiple
                         * sinks, go ahead and consume from the next
@@ -721,44 +651,44 @@ enum bt_graph_status bt_graph_run(struct bt_graph *graph)
                         * sleep for an arbitrary amount of time.
                         */
                        if (graph->sinks_to_consume->length > 1) {
-                               status = BT_GRAPH_STATUS_OK;
+                               status = BT_FUNC_STATUS_OK;
                        }
                }
-       } while (status == BT_GRAPH_STATUS_OK);
+       } while (status == BT_FUNC_STATUS_OK);
 
-       if (g_queue_is_empty(graph->sinks_to_consume)) {
-               status = BT_GRAPH_STATUS_END;
+       if (status == BT_FUNC_STATUS_END) {
+               /*
+                * The last call to consume_no_check() returned
+                * `BT_FUNC_STATUS_END`, but bt_graph_run() has no
+                * `BT_GRAPH_RUN_STATUS_END` status: replace with
+                * `BT_GRAPH_RUN_STATUS_OK` (success: graph ran
+                * completely).
+                */
+               status = BT_FUNC_STATUS_OK;
        }
 
 end:
        BT_LIB_LOGI("Graph ran: %![graph-]+g, status=%s", graph,
-               bt_graph_status_string(status));
+               bt_common_func_status_string(status));
        bt_graph_set_can_consume(graph, true);
        return status;
 }
 
-enum bt_graph_status
+enum bt_graph_add_listener_status
 bt_graph_add_source_component_output_port_added_listener(
                struct bt_graph *graph,
                bt_graph_source_component_output_port_added_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
+               void *data, bt_listener_id *out_listener_id)
 {
        struct bt_graph_listener_port_added listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
                .func = (port_added_func_t) func,
+               .data = data,
        };
-       int listener_id;
+       bt_listener_id listener_id;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
        g_array_append_val(graph->listeners.source_output_port_added, listener);
        listener_id = graph->listeners.source_output_port_added->len - 1;
        BT_LIB_LOGD("Added \"source component output port added\" listener to graph: "
@@ -769,31 +699,24 @@ bt_graph_add_source_component_output_port_added_listener(
                *out_listener_id = listener_id;
        }
 
-       return BT_GRAPH_STATUS_OK;
+       return BT_FUNC_STATUS_OK;
 }
 
-enum bt_graph_status
+enum bt_graph_add_listener_status
 bt_graph_add_filter_component_output_port_added_listener(
                struct bt_graph *graph,
                bt_graph_filter_component_output_port_added_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
+               void *data, bt_listener_id *out_listener_id)
 {
        struct bt_graph_listener_port_added listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
                .func = (port_added_func_t) func,
+               .data = data,
        };
-       int listener_id;
+       bt_listener_id listener_id;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
        g_array_append_val(graph->listeners.filter_output_port_added, listener);
        listener_id = graph->listeners.filter_output_port_added->len - 1;
        BT_LIB_LOGD("Added \"filter component output port added\" listener to graph: "
@@ -804,31 +727,24 @@ bt_graph_add_filter_component_output_port_added_listener(
                *out_listener_id = listener_id;
        }
 
-       return BT_GRAPH_STATUS_OK;
+       return BT_FUNC_STATUS_OK;
 }
 
-enum bt_graph_status
+enum bt_graph_add_listener_status
 bt_graph_add_filter_component_input_port_added_listener(
                struct bt_graph *graph,
                bt_graph_filter_component_input_port_added_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
+               void *data, bt_listener_id *out_listener_id)
 {
        struct bt_graph_listener_port_added listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
                .func = (port_added_func_t) func,
+               .data = data,
        };
-       int listener_id;
+       bt_listener_id listener_id;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
        g_array_append_val(graph->listeners.filter_input_port_added, listener);
        listener_id = graph->listeners.filter_input_port_added->len - 1;
        BT_LIB_LOGD("Added \"filter component input port added\" listener to graph: "
@@ -839,31 +755,24 @@ bt_graph_add_filter_component_input_port_added_listener(
                *out_listener_id = listener_id;
        }
 
-       return BT_GRAPH_STATUS_OK;
+       return BT_FUNC_STATUS_OK;
 }
 
-enum bt_graph_status
+enum bt_graph_add_listener_status
 bt_graph_add_sink_component_input_port_added_listener(
                struct bt_graph *graph,
                bt_graph_sink_component_input_port_added_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
+               void *data, bt_listener_id *out_listener_id)
 {
        struct bt_graph_listener_port_added listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
                .func = (port_added_func_t) func,
+               .data = data,
        };
-       int listener_id;
+       bt_listener_id listener_id;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
        g_array_append_val(graph->listeners.sink_input_port_added, listener);
        listener_id = graph->listeners.sink_input_port_added->len - 1;
        BT_LIB_LOGD("Added \"sink component input port added\" listener to graph: "
@@ -874,161 +783,17 @@ bt_graph_add_sink_component_input_port_added_listener(
                *out_listener_id = listener_id;
        }
 
-       return BT_GRAPH_STATUS_OK;
-}
-
-enum bt_graph_status
-bt_graph_add_source_filter_component_ports_connected_listener(
-               struct bt_graph *graph,
-               bt_graph_source_filter_component_ports_connected_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
-{
-       struct bt_graph_listener_ports_connected listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
-               .func = (ports_connected_func_t) func,
-       };
-       int listener_id;
-
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
-       g_array_append_val(graph->listeners.source_filter_ports_connected,
-               listener);
-       listener_id = graph->listeners.source_filter_ports_connected->len - 1;
-       BT_LIB_LOGD("Added \"source to filter component ports connected\" listener to graph: "
-               "%![graph-]+g, listener-addr=%p, id=%d", graph, listener,
-               listener_id);
-
-       if (listener_id) {
-               *out_listener_id = listener_id;
-       }
-
-       return BT_GRAPH_STATUS_OK;
-}
-
-enum bt_graph_status
-bt_graph_add_source_sink_component_ports_connected_listener(
-               struct bt_graph *graph,
-               bt_graph_source_sink_component_ports_connected_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
-{
-       struct bt_graph_listener_ports_connected listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
-               .func = (ports_connected_func_t) func,
-       };
-       int listener_id;
-
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
-       g_array_append_val(graph->listeners.source_sink_ports_connected,
-               listener);
-       listener_id = graph->listeners.source_sink_ports_connected->len - 1;
-       BT_LIB_LOGD("Added \"source to sink component ports connected\" listener to graph: "
-               "%![graph-]+g, listener-addr=%p, id=%d", graph, listener,
-               listener_id);
-
-       if (listener_id) {
-               *out_listener_id = listener_id;
-       }
-
-       return BT_GRAPH_STATUS_OK;
-}
-
-enum bt_graph_status
-bt_graph_add_filter_filter_component_ports_connected_listener(
-               struct bt_graph *graph,
-               bt_graph_filter_filter_component_ports_connected_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
-{
-       struct bt_graph_listener_ports_connected listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
-               .func = (ports_connected_func_t) func,
-       };
-       int listener_id;
-
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
-       g_array_append_val(graph->listeners.filter_filter_ports_connected,
-               listener);
-       listener_id = graph->listeners.filter_filter_ports_connected->len - 1;
-       BT_LIB_LOGD("Added \"filter to filter component ports connected\" listener to graph: "
-               "%![graph-]+g, listener-addr=%p, id=%d", graph, listener,
-               listener_id);
-
-       if (listener_id) {
-               *out_listener_id = listener_id;
-       }
-
-       return BT_GRAPH_STATUS_OK;
-}
-
-enum bt_graph_status
-bt_graph_add_filter_sink_component_ports_connected_listener(
-               struct bt_graph *graph,
-               bt_graph_filter_sink_component_ports_connected_listener_func func,
-               bt_graph_listener_removed_func listener_removed, void *data,
-               int *out_listener_id)
-{
-       struct bt_graph_listener_ports_connected listener = {
-               .base = {
-                       .removed = listener_removed,
-                       .data = data,
-               },
-               .func = (ports_connected_func_t) func,
-       };
-       int listener_id;
-
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       BT_ASSERT_PRE_NON_NULL(func, "Listener");
-       BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener");
-       BT_ASSERT_PRE(!graph->in_remove_listener,
-               "Graph currently executing a \"listener removed\" listener: "
-               "%!+g", graph);
-       g_array_append_val(graph->listeners.filter_sink_ports_connected,
-               listener);
-       listener_id = graph->listeners.filter_sink_ports_connected->len - 1;
-       BT_LIB_LOGD("Added \"filter to sink component ports connected\" listener to graph: "
-               "%![graph-]+g, listener-addr=%p, id=%d", graph, listener,
-               listener_id);
-
-       if (listener_id) {
-               *out_listener_id = listener_id;
-       }
-
-       return BT_GRAPH_STATUS_OK;
+       return BT_FUNC_STATUS_OK;
 }
 
 BT_HIDDEN
-enum bt_graph_listener_status bt_graph_notify_port_added(
+enum bt_graph_listener_func_status bt_graph_notify_port_added(
                struct bt_graph *graph, struct bt_port *port)
 {
        uint64_t i;
        GArray *listeners;
        struct bt_component *comp;
-       enum bt_graph_listener_status status = BT_GRAPH_LISTENER_STATUS_OK;
+       enum bt_graph_listener_func_status status = BT_FUNC_STATUS_OK;
 
        BT_ASSERT(graph);
        BT_ASSERT(port);
@@ -1045,7 +810,7 @@ enum bt_graph_listener_status bt_graph_notify_port_added(
                        listeners = graph->listeners.source_output_port_added;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
@@ -1060,7 +825,7 @@ enum bt_graph_listener_status bt_graph_notify_port_added(
                        listeners = graph->listeners.filter_output_port_added;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
@@ -1072,13 +837,13 @@ enum bt_graph_listener_status bt_graph_notify_port_added(
                        listeners = graph->listeners.sink_input_port_added;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
        }
        default:
-               abort();
+               bt_common_abort();
        }
 
        for (i = 0; i < listeners->len; i++) {
@@ -1088,8 +853,9 @@ enum bt_graph_listener_status bt_graph_notify_port_added(
 
 
                BT_ASSERT(listener->func);
-               status = listener->func(comp, port, listener->base.data);
-               if (status != BT_GRAPH_LISTENER_STATUS_OK) {
+               status = listener->func(comp, port, listener->data);
+               BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS(status);
+               if (status != BT_FUNC_STATUS_OK) {
                        goto end;
                }
        }
@@ -1098,99 +864,6 @@ end:
        return status;
 }
 
-BT_HIDDEN
-enum bt_graph_listener_status bt_graph_notify_ports_connected(
-               struct bt_graph *graph, struct bt_port *upstream_port,
-               struct bt_port *downstream_port)
-{
-       uint64_t i;
-       GArray *listeners;
-       struct bt_component *upstream_comp;
-       struct bt_component *downstream_comp;
-       enum bt_graph_listener_status status = BT_GRAPH_LISTENER_STATUS_OK;
-
-       BT_ASSERT(graph);
-       BT_ASSERT(upstream_port);
-       BT_ASSERT(downstream_port);
-       BT_LIB_LOGD("Notifying graph listeners that ports were connected: "
-               "%![graph-]+g, %![up-port-]+p, %![down-port-]+p",
-               graph, upstream_port, downstream_port);
-       upstream_comp = bt_port_borrow_component_inline(upstream_port);
-       BT_ASSERT(upstream_comp);
-       downstream_comp = bt_port_borrow_component_inline(downstream_port);
-       BT_ASSERT(downstream_comp);
-
-       switch (upstream_comp->class->type) {
-       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-       {
-               switch (downstream_comp->class->type) {
-               case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       listeners =
-                               graph->listeners.source_filter_ports_connected;
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_SINK:
-                       listeners =
-                               graph->listeners.source_sink_ports_connected;
-                       break;
-               default:
-                       abort();
-               }
-
-               break;
-       }
-       case BT_COMPONENT_CLASS_TYPE_FILTER:
-       {
-               switch (downstream_comp->class->type) {
-               case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       listeners =
-                               graph->listeners.filter_filter_ports_connected;
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_SINK:
-                       listeners =
-                               graph->listeners.filter_sink_ports_connected;
-                       break;
-               default:
-                       abort();
-               }
-
-               break;
-       }
-       default:
-               abort();
-       }
-
-       for (i = 0; i < listeners->len; i++) {
-               struct bt_graph_listener_ports_connected *listener =
-                       &g_array_index(listeners,
-                               struct bt_graph_listener_ports_connected, i);
-
-               BT_ASSERT(listener->func);
-               status = listener->func(upstream_comp, downstream_comp,
-                       upstream_port, downstream_port, listener->base.data);
-               if (status != BT_GRAPH_LISTENER_STATUS_OK) {
-                       goto end;
-               }
-       }
-
-end:
-       return status;
-}
-
-enum bt_graph_status bt_graph_cancel(struct bt_graph *graph)
-{
-
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       graph->canceled = true;
-       BT_LIB_LOGI("Canceled graph: %!+i", graph);
-       return BT_GRAPH_STATUS_OK;
-}
-
-bt_bool bt_graph_is_canceled(const struct bt_graph *graph)
-{
-       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
-       return graph->canceled ? BT_TRUE : BT_FALSE;
-}
-
 BT_HIDDEN
 void bt_graph_remove_connection(struct bt_graph *graph,
                struct bt_connection *connection)
@@ -1202,7 +875,6 @@ void bt_graph_remove_connection(struct bt_graph *graph,
        g_ptr_array_remove(graph->connections, connection);
 }
 
-BT_ASSERT_PRE_FUNC
 static inline
 bool component_name_exists(struct bt_graph *graph, const char *name)
 {
@@ -1226,16 +898,16 @@ end:
 }
 
 static
-enum bt_graph_status add_component_with_init_method_data(
+int add_component_with_init_method_data(
                struct bt_graph *graph,
                struct bt_component_class *comp_cls,
                comp_init_method_t init_method,
                const char *name, const struct bt_value *params,
                void *init_method_data, bt_logging_level log_level,
-               struct bt_component **user_component)
+               const struct bt_component **user_component)
 {
-       enum bt_graph_status graph_status = BT_GRAPH_STATUS_OK;
-       enum bt_self_component_status comp_status;
+       int status = BT_FUNC_STATUS_OK;
+       enum bt_component_class_initialize_method_status init_status;
        struct bt_component *component = NULL;
        int ret;
        bool init_can_consume;
@@ -1244,7 +916,6 @@ enum bt_graph_status add_component_with_init_method_data(
        BT_ASSERT(comp_cls);
        BT_ASSERT_PRE_NON_NULL(graph, "Graph");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
-       BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
        BT_ASSERT_PRE(
                graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
                "Graph is not in the \"configuring\" state: %!+g", graph);
@@ -1264,8 +935,9 @@ enum bt_graph_status add_component_with_init_method_data(
        if (!params) {
                new_params = bt_value_map_create();
                if (!new_params) {
-                       BT_LOGE_STR("Cannot create empty map value object.");
-                       graph_status = BT_GRAPH_STATUS_NOMEM;
+                       BT_LIB_LOGE_APPEND_CAUSE(
+                               "Cannot create empty map value object.");
+                       status = BT_FUNC_STATUS_MEMORY_ERROR;
                        goto end;
                }
 
@@ -1274,9 +946,10 @@ enum bt_graph_status add_component_with_init_method_data(
 
        ret = bt_component_create(comp_cls, name, log_level, &component);
        if (ret) {
-               BT_LOGE("Cannot create empty component object: ret=%d",
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Cannot create empty component object: ret=%d",
                        ret);
-               graph_status = BT_GRAPH_STATUS_NOMEM;
+               status = BT_FUNC_STATUS_MEMORY_ERROR;
                goto end;
        }
 
@@ -1290,13 +963,25 @@ enum bt_graph_status add_component_with_init_method_data(
        bt_value_freeze(params);
 
        if (init_method) {
+               /*
+                * There is no use for config objects right now, so just pass
+                * NULL.
+                */
                BT_LOGD_STR("Calling user's initialization method.");
-               comp_status = init_method(component, params, init_method_data);
+               init_status = init_method(component, NULL, params, init_method_data);
                BT_LOGD("User method returned: status=%s",
-                       bt_self_component_status_string(comp_status));
-               if (comp_status != BT_SELF_COMPONENT_STATUS_OK) {
-                       BT_LOGW_STR("Initialization method failed.");
-                       graph_status = (int) comp_status;
+                       bt_common_func_status_string(init_status));
+               BT_ASSERT_POST_DEV_NO_ERROR_IF_NO_ERROR_STATUS(init_status);
+               if (init_status != BT_FUNC_STATUS_OK) {
+                       if (init_status < 0) {
+                               BT_LIB_LOGW_APPEND_CAUSE(
+                                       "Component initialization method failed: "
+                                       "status=%s, %![comp-]+c",
+                                       bt_common_func_status_string(init_status),
+                                       component);
+                       }
+
+                       status = init_status;
                        bt_component_set_graph(component, NULL);
                        g_ptr_array_remove_fast(graph->components, component);
                        goto end;
@@ -1311,7 +996,8 @@ enum bt_graph_status add_component_with_init_method_data(
 
        /*
         * If it's a sink component, it needs to be part of the graph's
-        * sink queue to be consumed by bt_graph_consume().
+        * sink queue to be consumed by bt_graph_run() or
+        * bt_graph_run_once().
         */
        if (bt_component_is_sink(component)) {
                graph->has_sink = true;
@@ -1338,7 +1024,7 @@ enum bt_graph_status add_component_with_init_method_data(
        }
 
 end:
-       if (graph_status != BT_GRAPH_STATUS_OK) {
+       if (status != BT_FUNC_STATUS_OK) {
                bt_graph_make_faulty(graph);
        }
 
@@ -1346,157 +1032,128 @@ end:
        bt_object_put_ref(new_params);
        (void) init_can_consume;
        bt_graph_set_can_consume(graph, init_can_consume);
-       return graph_status;
+       return status;
 }
 
-enum bt_graph_status
-bt_graph_add_source_component_with_init_method_data(
+enum bt_graph_add_component_status
+bt_graph_add_source_component_with_initialize_method_data(
                struct bt_graph *graph,
                const struct bt_component_class_source *comp_cls,
                const char *name, const struct bt_value *params,
                void *init_method_data, bt_logging_level log_level,
                const struct bt_component_source **component)
 {
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
        return add_component_with_init_method_data(graph,
                (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init,
                name, params, init_method_data, log_level, (void *) component);
 }
 
-enum bt_graph_status bt_graph_add_source_component(
+enum bt_graph_add_component_status bt_graph_add_source_component(
                struct bt_graph *graph,
                const struct bt_component_class_source *comp_cls,
                const char *name, const struct bt_value *params,
-               bt_logging_level log_level,
+               enum bt_logging_level log_level,
                const struct bt_component_source **component)
 {
-       return bt_graph_add_source_component_with_init_method_data(
+       BT_ASSERT_PRE_NO_ERROR();
+       return bt_graph_add_source_component_with_initialize_method_data(
                graph, comp_cls, name, params, NULL, log_level, component);
 }
 
-enum bt_graph_status
-bt_graph_add_filter_component_with_init_method_data(
+enum bt_graph_add_component_status
+bt_graph_add_filter_component_with_initialize_method_data(
                struct bt_graph *graph,
                const struct bt_component_class_filter *comp_cls,
                const char *name, const struct bt_value *params,
-               void *init_method_data, bt_logging_level log_level,
+               void *init_method_data, enum bt_logging_level log_level,
                const struct bt_component_filter **component)
 {
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
        return add_component_with_init_method_data(graph,
                (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init,
                name, params, init_method_data, log_level, (void *) component);
 }
 
-enum bt_graph_status bt_graph_add_filter_component(
+enum bt_graph_add_component_status bt_graph_add_filter_component(
                struct bt_graph *graph,
                const struct bt_component_class_filter *comp_cls,
                const char *name, const struct bt_value *params,
-               bt_logging_level log_level,
+               enum bt_logging_level log_level,
                const struct bt_component_filter **component)
 {
-       return bt_graph_add_filter_component_with_init_method_data(
+       BT_ASSERT_PRE_NO_ERROR();
+       return bt_graph_add_filter_component_with_initialize_method_data(
                graph, comp_cls, name, params, NULL, log_level, component);
 }
 
-enum bt_graph_status
-bt_graph_add_sink_component_with_init_method_data(
+enum bt_graph_add_component_status
+bt_graph_add_sink_component_with_initialize_method_data(
                struct bt_graph *graph,
                const struct bt_component_class_sink *comp_cls,
                const char *name, const struct bt_value *params,
-               void *init_method_data, bt_logging_level log_level,
+               void *init_method_data, enum bt_logging_level log_level,
                const struct bt_component_sink **component)
 {
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
        return add_component_with_init_method_data(graph,
                (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init,
                name, params, init_method_data, log_level, (void *) component);
 }
 
-enum bt_graph_status bt_graph_add_sink_component(
+enum bt_graph_add_component_status bt_graph_add_sink_component(
                struct bt_graph *graph,
                const struct bt_component_class_sink *comp_cls,
                const char *name, const struct bt_value *params,
-               bt_logging_level log_level,
+               enum bt_logging_level log_level,
                const struct bt_component_sink **component)
 {
-       return bt_graph_add_sink_component_with_init_method_data(
+       BT_ASSERT_PRE_NO_ERROR();
+       return bt_graph_add_sink_component_with_initialize_method_data(
                graph, comp_cls, name, params, NULL, log_level, component);
 }
 
-BT_HIDDEN
-int bt_graph_remove_unconnected_component(struct bt_graph *graph,
-               struct bt_component *component)
+enum bt_graph_add_component_status
+bt_graph_add_simple_sink_component(struct bt_graph *graph, const char *name,
+               bt_graph_simple_sink_component_initialize_func init_func,
+               bt_graph_simple_sink_component_consume_func consume_func,
+               bt_graph_simple_sink_component_finalize_func finalize_func,
+               void *user_data, const bt_component_sink **component)
 {
-       bool init_can_consume;
-       uint64_t count;
-       uint64_t i;
-       int ret = 0;
-
-       BT_ASSERT(graph);
-       BT_ASSERT(component);
-       BT_ASSERT(component->base.ref_count == 0);
-       BT_ASSERT(bt_component_borrow_graph(component) == graph);
-
-       init_can_consume = graph->can_consume;
-       count = bt_component_get_input_port_count(component);
-
-       for (i = 0; i < count; i++) {
-               struct bt_port *port = (void *)
-                       bt_component_borrow_input_port_by_index(component, i);
-
-               BT_ASSERT(port);
-
-               if (bt_port_is_connected(port)) {
-                       BT_LIB_LOGW("Cannot remove component from graph: "
-                               "an input port is connected: "
-                               "%![graph-]+g, %![comp-]+c, %![port-]+p",
-                               graph, component, port);
-                       goto error;
-               }
-       }
-
-       count = bt_component_get_output_port_count(component);
-
-       for (i = 0; i < count; i++) {
-               struct bt_port *port = (void *)
-                       bt_component_borrow_output_port_by_index(component, i);
-
-               BT_ASSERT(port);
-
-               if (bt_port_is_connected(port)) {
-                       BT_LIB_LOGW("Cannot remove component from graph: "
-                               "an output port is connected: "
-                               "%![graph-]+g, %![comp-]+c, %![port-]+p",
-                               graph, component, port);
-                       goto error;
-               }
-       }
-
-       bt_graph_set_can_consume(graph, false);
-
-       /* Possibly remove from sinks to consume */
-       (void) g_queue_remove(graph->sinks_to_consume, component);
+       enum bt_graph_add_component_status status;
+       struct bt_component_class_sink *comp_cls;
+       struct simple_sink_init_method_data init_method_data = {
+               .init_func = init_func,
+               .consume_func = consume_func,
+               .finalize_func = finalize_func,
+               .user_data = user_data,
+       };
 
-       if (graph->sinks_to_consume->length == 0) {
-               graph->has_sink = false;
-       }
+       BT_ASSERT_PRE_NO_ERROR();
 
        /*
-        * This calls bt_object_try_spec_release() on the component, and
-        * since its reference count is 0, its destructor is called. Its
-        * destructor calls the user's finalization method (if set).
+        * Other preconditions are checked by
+        * bt_graph_add_sink_component_with_init_method_data().
         */
-       g_ptr_array_remove(graph->components, component);
-       goto end;
+       BT_ASSERT_PRE_NON_NULL(consume_func, "Consume function");
 
-error:
-       ret = -1;
+       comp_cls = bt_component_class_sink_simple_borrow();
+       if (!comp_cls) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Cannot borrow simple sink component class.");
+               status = BT_FUNC_STATUS_MEMORY_ERROR;
+               goto end;
+       }
+
+       status = bt_graph_add_sink_component_with_initialize_method_data(graph,
+               comp_cls, name, NULL, &init_method_data,
+               BT_LOGGING_LEVEL_NONE, component);
 
 end:
-       (void) init_can_consume;
-       bt_graph_set_can_consume(graph, init_can_consume);
-       return ret;
+       return status;
 }
 
 BT_HIDDEN
@@ -1517,6 +1174,33 @@ void bt_graph_add_message(struct bt_graph *graph,
        g_ptr_array_add(graph->messages, msg);
 }
 
+BT_HIDDEN
+bool bt_graph_is_interrupted(const struct bt_graph *graph)
+{
+       BT_ASSERT_DBG(graph);
+       return bt_interrupter_array_any_is_set(graph->interrupters);
+}
+
+enum bt_graph_add_interrupter_status bt_graph_add_interrupter(
+               struct bt_graph *graph, const struct bt_interrupter *intr)
+{
+       BT_ASSERT_PRE_NO_ERROR();
+       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
+       BT_ASSERT_PRE_NON_NULL(intr, "Interrupter");
+       g_ptr_array_add(graph->interrupters, (void *) intr);
+       bt_object_get_ref_no_null_check(intr);
+       BT_LIB_LOGD("Added interrupter to graph: %![graph-]+g, %![intr-]+z",
+               graph, intr);
+       return BT_FUNC_STATUS_OK;
+}
+
+void bt_graph_interrupt(struct bt_graph *graph)
+{
+       BT_ASSERT_PRE_NON_NULL(graph, "Graph");
+       bt_interrupter_set(graph->default_interrupter);
+       BT_LIB_LOGI("Interrupted graph: %!+g", graph);
+}
+
 void bt_graph_get_ref(const struct bt_graph *graph)
 {
        bt_object_get_ref(graph);
This page took 0.043685 seconds and 4 git commands to generate.