X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lib%2Fgraph%2Fcomponent-class.c;h=7f90720e91059151b57cd735b58b44b2d4dd229a;hb=7474e7d3f0d005280c6614be5c818735e65d8b3b;hp=57ade14d70eb1a3da7c241e1cdd9e5be2b7a3aa6;hpb=e2f7325d1e58710ee928373592adcee466f93d06;p=babeltrace.git

diff --git a/lib/graph/component-class.c b/lib/graph/component-class.c
index 57ade14d..7f90720e 100644
--- a/lib/graph/component-class.c
+++ b/lib/graph/component-class.c
@@ -24,6 +24,8 @@
 #define BT_LOG_TAG "COMP-CLASS"
 #include <babeltrace/lib-logging-internal.h>
 
+#include <babeltrace/assert-internal.h>
+#include <babeltrace/assert-pre-internal.h>
 #include <babeltrace/compiler-internal.h>
 #include <babeltrace/graph/component-class.h>
 #include <babeltrace/graph/component-class-const.h>
@@ -34,10 +36,7 @@
 #include <babeltrace/graph/component-class-sink.h>
 #include <babeltrace/graph/component-class-sink-const.h>
 #include <babeltrace/graph/component-class-internal.h>
-#include <babeltrace/object.h>
 #include <babeltrace/types.h>
-#include <babeltrace/assert-internal.h>
-#include <babeltrace/assert-pre-internal.h>
 #include <glib.h>
 
 #define BT_ASSERT_PRE_COMP_CLS_HOT(_cc) \
@@ -135,15 +134,15 @@ end:
 
 struct bt_component_class_source *bt_component_class_source_create(
 		const char *name,
-		bt_component_class_source_notification_iterator_next_method method)
+		bt_component_class_source_message_iterator_next_method method)
 {
 	struct bt_component_class_source *source_class = NULL;
 	int ret;
 
 	BT_ASSERT_PRE_NON_NULL(name, "Name");
-	BT_ASSERT_PRE_NON_NULL(method, "Notification iterator next method");
+	BT_ASSERT_PRE_NON_NULL(method, "Message iterator next method");
 	BT_LOGD("Creating source component class: "
-		"name=\"%s\", notif-iter-next-method-addr=%p",
+		"name=\"%s\", msg-iter-next-method-addr=%p",
 		name, method);
 	source_class = g_new0(struct bt_component_class_source, 1);
 	if (!source_class) {
@@ -164,7 +163,7 @@ struct bt_component_class_source *bt_component_class_source_create(
 		goto end;
 	}
 
-	source_class->methods.notif_iter_next = method;
+	source_class->methods.msg_iter_next = method;
 	BT_LIB_LOGD("Created source component class: %!+C", source_class);
 
 end:
@@ -173,15 +172,15 @@ end:
 
 struct bt_component_class_filter *bt_component_class_filter_create(
 		const char *name,
-		bt_component_class_filter_notification_iterator_next_method method)
+		bt_component_class_filter_message_iterator_next_method method)
 {
 	struct bt_component_class_filter *filter_class = NULL;
 	int ret;
 
 	BT_ASSERT_PRE_NON_NULL(name, "Name");
-	BT_ASSERT_PRE_NON_NULL(method, "Notification iterator next method");
+	BT_ASSERT_PRE_NON_NULL(method, "Message iterator next method");
 	BT_LOGD("Creating filter component class: "
-		"name=\"%s\", notif-iter-next-method-addr=%p",
+		"name=\"%s\", msg-iter-next-method-addr=%p",
 		name, method);
 	filter_class = g_new0(struct bt_component_class_filter, 1);
 	if (!filter_class) {
@@ -202,7 +201,7 @@ struct bt_component_class_filter *bt_component_class_filter_create(
 		goto end;
 	}
 
-	filter_class->methods.notif_iter_next = method;
+	filter_class->methods.msg_iter_next = method;
 	BT_LIB_LOGD("Created filter component class: %!+C", filter_class);
 
 end:
@@ -246,7 +245,8 @@ end:
 	return (void *) sink_class;
 }
 
-int bt_component_class_source_set_init_method(
+extern enum bt_component_class_status
+bt_component_class_source_set_init_method(
 		struct bt_component_class_source *comp_cls,
 		bt_component_class_source_init_method method)
 {
@@ -256,10 +256,11 @@ int bt_component_class_source_set_init_method(
 	comp_cls->methods.init = method;
 	BT_LIB_LOGV("Set source component class's initialization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_init_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_init_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_init_method method)
 {
@@ -269,10 +270,11 @@ int bt_component_class_filter_set_init_method(
 	comp_cls->methods.init = method;
 	BT_LIB_LOGV("Set filter component class's initialization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_init_method(
+extern enum bt_component_class_status
+bt_component_class_sink_set_init_method(
 		struct bt_component_class_sink *comp_cls,
 		bt_component_class_sink_init_method method)
 {
@@ -282,10 +284,11 @@ int bt_component_class_sink_set_init_method(
 	comp_cls->methods.init = method;
 	BT_LIB_LOGV("Set sink component class's initialization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_finalize_method(
+extern enum bt_component_class_status
+bt_component_class_source_set_finalize_method(
 		struct bt_component_class_source *comp_cls,
 		bt_component_class_source_finalize_method method)
 {
@@ -295,10 +298,11 @@ int bt_component_class_source_set_finalize_method(
 	comp_cls->methods.finalize = method;
 	BT_LIB_LOGV("Set source component class's finalization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_finalize_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_finalize_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_finalize_method method)
 {
@@ -308,10 +312,11 @@ int bt_component_class_filter_set_finalize_method(
 	comp_cls->methods.finalize = method;
 	BT_LIB_LOGV("Set filter component class's finalization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_finalize_method(
+extern enum bt_component_class_status
+bt_component_class_sink_set_finalize_method(
 		struct bt_component_class_sink *comp_cls,
 		bt_component_class_sink_finalize_method method)
 {
@@ -321,10 +326,11 @@ int bt_component_class_sink_set_finalize_method(
 	comp_cls->methods.finalize = method;
 	BT_LIB_LOGV("Set sink component class's finalization method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_query_method(
+extern enum bt_component_class_status
+bt_component_class_source_set_query_method(
 		struct bt_component_class_source *comp_cls,
 		bt_component_class_source_query_method method)
 {
@@ -334,10 +340,11 @@ int bt_component_class_source_set_query_method(
 	comp_cls->methods.query = method;
 	BT_LIB_LOGV("Set source component class's query method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_query_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_query_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_query_method method)
 {
@@ -347,10 +354,11 @@ int bt_component_class_filter_set_query_method(
 	comp_cls->methods.query = method;
 	BT_LIB_LOGV("Set filter component class's query method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_query_method(
+extern enum bt_component_class_status
+bt_component_class_sink_set_query_method(
 		struct bt_component_class_sink *comp_cls,
 		bt_component_class_sink_query_method method)
 {
@@ -360,10 +368,11 @@ int bt_component_class_sink_set_query_method(
 	comp_cls->methods.query = method;
 	BT_LIB_LOGV("Set sink component class's query method: "
 		"%!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_accept_input_port_connection_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_accept_input_port_connection_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_accept_input_port_connection_method method)
 {
@@ -373,10 +382,11 @@ int bt_component_class_filter_set_accept_input_port_connection_method(
 	comp_cls->methods.accept_input_port_connection = method;
 	BT_LIB_LOGV("Set filter component class's \"accept input port connection\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_accept_input_port_connection_method(
+extern enum bt_component_class_status
+bt_component_class_sink_set_accept_input_port_connection_method(
 		struct bt_component_class_sink *comp_cls,
 		bt_component_class_sink_accept_input_port_connection_method method)
 {
@@ -386,10 +396,11 @@ int bt_component_class_sink_set_accept_input_port_connection_method(
 	comp_cls->methods.accept_input_port_connection = method;
 	BT_LIB_LOGV("Set sink component class's \"accept input port connection\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_accept_output_port_connection_method(
+extern enum bt_component_class_status
+bt_component_class_source_set_accept_output_port_connection_method(
 		struct bt_component_class_source *comp_cls,
 		bt_component_class_source_accept_output_port_connection_method method)
 {
@@ -399,10 +410,11 @@ int bt_component_class_source_set_accept_output_port_connection_method(
 	comp_cls->methods.accept_output_port_connection = method;
 	BT_LIB_LOGV("Set source component class's \"accept output port connection\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_accept_output_port_connection_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_accept_output_port_connection_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_accept_output_port_connection_method method)
 {
@@ -412,10 +424,11 @@ int bt_component_class_filter_set_accept_output_port_connection_method(
 	comp_cls->methods.accept_output_port_connection = method;
 	BT_LIB_LOGV("Set filter component class's \"accept output port connection\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_input_port_connected_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_input_port_connected_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_input_port_connected_method method)
 {
@@ -425,10 +438,11 @@ int bt_component_class_filter_set_input_port_connected_method(
 	comp_cls->methods.input_port_connected = method;
 	BT_LIB_LOGV("Set filter component class's \"input port connected\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_input_port_connected_method(
+extern enum bt_component_class_status
+bt_component_class_sink_set_input_port_connected_method(
 		struct bt_component_class_sink *comp_cls,
 		bt_component_class_sink_input_port_connected_method method)
 {
@@ -438,10 +452,11 @@ int bt_component_class_sink_set_input_port_connected_method(
 	comp_cls->methods.input_port_connected = method;
 	BT_LIB_LOGV("Set sink component class's \"input port connected\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_output_port_connected_method(
+extern enum bt_component_class_status
+bt_component_class_source_set_output_port_connected_method(
 		struct bt_component_class_source *comp_cls,
 		bt_component_class_source_output_port_connected_method method)
 {
@@ -451,10 +466,11 @@ int bt_component_class_source_set_output_port_connected_method(
 	comp_cls->methods.output_port_connected = method;
 	BT_LIB_LOGV("Set source component class's \"output port connected\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_output_port_connected_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_output_port_connected_method(
 		struct bt_component_class_filter *comp_cls,
 		bt_component_class_filter_output_port_connected_method method)
 {
@@ -464,114 +480,177 @@ int bt_component_class_filter_set_output_port_connected_method(
 	comp_cls->methods.output_port_connected = method;
 	BT_LIB_LOGV("Set filter component class's \"output port connected\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
+}
+
+int bt_component_class_source_set_message_iterator_init_method(
+		struct bt_component_class_source *comp_cls,
+		bt_component_class_source_message_iterator_init_method method)
+{
+	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
+	BT_ASSERT_PRE_NON_NULL(method, "Method");
+	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
+	comp_cls->methods.msg_iter_init = method;
+	BT_LIB_LOGV("Set source component class's message iterator initialization method"
+		": %!+C", comp_cls);
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_input_port_disconnected_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_init_method(
 		struct bt_component_class_filter *comp_cls,
-		bt_component_class_filter_input_port_disconnected_method method)
+		bt_component_class_filter_message_iterator_init_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.input_port_disconnected = method;
-	BT_LIB_LOGV("Set filter component class's \"input port disconnected\" method"
+	comp_cls->methods.msg_iter_init = method;
+	BT_LIB_LOGV("Set filter component class's message iterator initialization method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_sink_set_input_port_disconnected_method(
-		struct bt_component_class_sink *comp_cls,
-		bt_component_class_sink_input_port_disconnected_method method)
+extern enum bt_component_class_status
+bt_component_class_source_set_message_iterator_finalize_method(
+		struct bt_component_class_source *comp_cls,
+		bt_component_class_source_message_iterator_finalize_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.input_port_disconnected = method;
-	BT_LIB_LOGV("Set sink component class's \"input port disconnected\" method"
+	comp_cls->methods.msg_iter_finalize = method;
+	BT_LIB_LOGV("Set source component class's message iterator finalization method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_output_port_disconnected_method(
+extern enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_finalize_method(
+		struct bt_component_class_filter *comp_cls,
+		bt_component_class_filter_message_iterator_finalize_method method)
+{
+	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
+	BT_ASSERT_PRE_NON_NULL(method, "Method");
+	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
+	comp_cls->methods.msg_iter_finalize = method;
+	BT_LIB_LOGV("Set filter component class's message iterator finalization method"
+		": %!+C", comp_cls);
+	return BT_COMPONENT_CLASS_STATUS_OK;
+}
+
+enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_seek_ns_from_origin_method(
+		struct bt_component_class_filter *comp_cls,
+		bt_component_class_filter_message_iterator_seek_ns_from_origin_method method)
+{
+	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
+	BT_ASSERT_PRE_NON_NULL(method, "Method");
+	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
+	comp_cls->methods.msg_iter_seek_ns_from_origin = method;
+	BT_LIB_LOGV("Set filter component class's message iterator \"seek nanoseconds from origin\" method"
+		": %!+C", comp_cls);
+	return BT_COMPONENT_CLASS_STATUS_OK;
+}
+
+enum bt_component_class_status
+bt_component_class_source_set_message_iterator_seek_ns_from_origin_method(
 		struct bt_component_class_source *comp_cls,
-		bt_component_class_source_output_port_disconnected_method method)
+		bt_component_class_source_message_iterator_seek_ns_from_origin_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.output_port_disconnected = method;
-	BT_LIB_LOGV("Set source component class's \"output port disconnected\" method"
+	comp_cls->methods.msg_iter_seek_ns_from_origin = method;
+	BT_LIB_LOGV("Set source component class's message iterator \"seek nanoseconds from origin\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_output_port_disconnected_method(
+enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_seek_beginning_method(
 		struct bt_component_class_filter *comp_cls,
-		bt_component_class_filter_output_port_disconnected_method method)
+		bt_component_class_filter_message_iterator_seek_beginning_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.output_port_disconnected = method;
-	BT_LIB_LOGV("Set filter component class's \"output port disconnected\" method"
+	comp_cls->methods.msg_iter_seek_beginning = method;
+	BT_LIB_LOGV("Set filter component class's message iterator \"seek beginning\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_notification_iterator_init_method(
+enum bt_component_class_status
+bt_component_class_source_set_message_iterator_seek_beginning_method(
 		struct bt_component_class_source *comp_cls,
-		bt_component_class_source_notification_iterator_init_method method)
+		bt_component_class_source_message_iterator_seek_beginning_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.notif_iter_init = method;
-	BT_LIB_LOGV("Set source component class's notification iterator initialization method"
+	comp_cls->methods.msg_iter_seek_beginning = method;
+	BT_LIB_LOGV("Set source component class's message iterator \"seek beginning\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_notification_iterator_init_method(
+enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_can_seek_beginning_method(
 		struct bt_component_class_filter *comp_cls,
-		bt_component_class_filter_notification_iterator_init_method method)
+		bt_component_class_filter_message_iterator_can_seek_beginning_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.notif_iter_init = method;
-	BT_LIB_LOGV("Set filter component class's notification iterator initialization method"
+	comp_cls->methods.msg_iter_can_seek_beginning = method;
+	BT_LIB_LOGV("Set filter component class's message iterator \"can seek beginning\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_source_set_notification_iterator_finalize_method(
+enum bt_component_class_status
+bt_component_class_source_set_message_iterator_can_seek_beginning_method(
 		struct bt_component_class_source *comp_cls,
-		bt_component_class_source_notification_iterator_finalize_method method)
+		bt_component_class_source_message_iterator_can_seek_beginning_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.notif_iter_finalize = method;
-	BT_LIB_LOGV("Set source component class's notification iterator finalization method"
+	comp_cls->methods.msg_iter_can_seek_beginning = method;
+	BT_LIB_LOGV("Set source component class's message iterator \"can seek beginning\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_filter_set_notification_iterator_finalize_method(
+enum bt_component_class_status
+bt_component_class_filter_set_message_iterator_can_seek_ns_from_origin_method(
 		struct bt_component_class_filter *comp_cls,
-		bt_component_class_filter_notification_iterator_finalize_method method)
+		bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method method)
+{
+	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
+	BT_ASSERT_PRE_NON_NULL(method, "Method");
+	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
+	comp_cls->methods.msg_iter_can_seek_ns_from_origin = method;
+	BT_LIB_LOGV("Set filter component class's message iterator \"can seek nanoseconds from origin\" method"
+		": %!+C", comp_cls);
+	return BT_COMPONENT_CLASS_STATUS_OK;
+}
+
+enum bt_component_class_status
+bt_component_class_source_set_message_iterator_can_seek_ns_from_origin_method(
+		struct bt_component_class_source *comp_cls,
+		bt_component_class_source_message_iterator_can_seek_ns_from_origin_method method)
 {
 	BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
 	BT_ASSERT_PRE_NON_NULL(method, "Method");
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
-	comp_cls->methods.notif_iter_finalize = method;
-	BT_LIB_LOGV("Set filter component class's notification iterator finalization method"
+	comp_cls->methods.msg_iter_can_seek_ns_from_origin = method;
+	BT_LIB_LOGV("Set source component class's message iterator \"can seek nanoseconds from origin\" method"
 		": %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_set_description(
+bt_component_class_status bt_component_class_set_description(
 		struct bt_component_class *comp_cls,
 		const char *description)
 {
@@ -584,10 +663,10 @@ int bt_component_class_set_description(
 		comp_cls,
 		bt_component_class_get_name(comp_cls),
 		bt_component_class_type_string(comp_cls->type));
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
-int bt_component_class_set_help(
+bt_component_class_status bt_component_class_set_help(
 		struct bt_component_class *comp_cls,
 		const char *help)
 {
@@ -596,7 +675,7 @@ int bt_component_class_set_help(
 	BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
 	g_string_assign(comp_cls->help, help);
 	BT_LIB_LOGV("Set component class's help text: %!+C", comp_cls);
-	return 0;
+	return BT_COMPONENT_CLASS_STATUS_OK;
 }
 
 const char *bt_component_class_get_name(const struct bt_component_class *comp_cls)
@@ -652,3 +731,51 @@ void _bt_component_class_freeze(const struct bt_component_class *comp_cls)
 	BT_LIB_LOGD("Freezing component class: %!+C", comp_cls);
 	((struct bt_component_class *) comp_cls)->frozen = true;
 }
+
+void bt_component_class_get_ref(
+		const struct bt_component_class *component_class)
+{
+	bt_object_get_ref(component_class);
+}
+
+void bt_component_class_put_ref(
+		const struct bt_component_class *component_class)
+{
+	bt_object_put_ref(component_class);
+}
+
+void bt_component_class_source_get_ref(
+		const struct bt_component_class_source *component_class_source)
+{
+	bt_object_get_ref(component_class_source);
+}
+
+void bt_component_class_source_put_ref(
+		const struct bt_component_class_source *component_class_source)
+{
+	bt_object_put_ref(component_class_source);
+}
+
+void bt_component_class_filter_get_ref(
+		const struct bt_component_class_filter *component_class_filter)
+{
+	bt_object_get_ref(component_class_filter);
+}
+
+void bt_component_class_filter_put_ref(
+		const struct bt_component_class_filter *component_class_filter)
+{
+	bt_object_put_ref(component_class_filter);
+}
+
+void bt_component_class_sink_get_ref(
+		const struct bt_component_class_sink *component_class_sink)
+{
+	bt_object_get_ref(component_class_sink);
+}
+
+void bt_component_class_sink_put_ref(
+		const struct bt_component_class_sink *component_class_sink)
+{
+	bt_object_put_ref(component_class_sink);
+}