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lib: add seeking (beginning, ns from origin), with auto-seeking support
[babeltrace.git] / include / babeltrace / plugin / plugin-dev.h
diff --git a/include/babeltrace/plugin/plugin-dev.h b/include/babeltrace/plugin/plugin-dev.h
index 5b941a3bbe7dc2ab9c308bafffdfb8001b3f0d7f..1be7aa9388c4284ae676598b454f489e546bebf3 100644 (file)
--- a/include/babeltrace/plugin/plugin-dev.h
+++ b/include/babeltrace/plugin/plugin-dev.h
@@ -184,10 +184,12 @@ enum __bt_plugin_component_class_descriptor_attribute_type {
        BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD        = 6,
        BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 7,
        BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 8,
-       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD              = 9,
-       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD             = 10,
-       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 11,
-       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 12,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 9,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 10,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD         = 11,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD              = 12,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD     = 13,
+       BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD          = 14,
 };
 
 /* Component class attribute (internal use) */
@@ -243,14 +245,6 @@ struct __bt_plugin_component_class_descriptor_attribute {
                bt_component_class_source_output_port_connected_method source_output_port_connected_method;
                bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 
-               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD */
-               bt_component_class_filter_input_port_disconnected_method filter_input_port_disconnected_method;
-               bt_component_class_sink_input_port_disconnected_method sink_input_port_disconnected_method;
-
-               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD */
-               bt_component_class_source_output_port_disconnected_method source_output_port_disconnected_method;
-               bt_component_class_filter_output_port_disconnected_method filter_output_port_disconnected_method;
-
                /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD */
                bt_component_class_source_message_iterator_init_method source_msg_iter_init_method;
                bt_component_class_filter_message_iterator_init_method filter_msg_iter_init_method;
@@ -258,6 +252,22 @@ struct __bt_plugin_component_class_descriptor_attribute {
                /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
                bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
                bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
+
+               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
+               bt_component_class_source_message_iterator_seek_ns_from_origin_method source_msg_iter_seek_ns_from_origin_method;
+               bt_component_class_filter_message_iterator_seek_ns_from_origin_method filter_msg_iter_seek_ns_from_origin_method;
+
+               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
+               bt_component_class_source_message_iterator_seek_beginning_method source_msg_iter_seek_beginning_method;
+               bt_component_class_filter_message_iterator_seek_beginning_method filter_msg_iter_seek_beginning_method;
+
+               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
+               bt_component_class_source_message_iterator_can_seek_ns_from_origin_method source_msg_iter_can_seek_ns_from_origin_method;
+               bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method filter_msg_iter_can_seek_ns_from_origin_method;
+
+               /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
+               bt_component_class_source_message_iterator_can_seek_beginning_method source_msg_iter_can_seek_beginning_method;
+               bt_component_class_filter_message_iterator_can_seek_beginning_method filter_msg_iter_can_seek_beginning_method;
        } value;
 } __attribute__((packed));
 
@@ -859,76 +869,76 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
        __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 
 /*
- * Defines an input port disconnected method attribute attached to a
- * specific filter component class descriptor.
+ * Defines an iterator initialization method attribute attached to a
+ * specific source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Port disconnected method
- *                 (bt_component_class_filter_input_port_disconnected_method).
+ * _x:             Iterator initialization method
+ *                 (bt_component_class_source_message_iterator_init_method).
  */
-#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, filter, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, source, _x)
 
 /*
- * Defines an input port disconnected method attribute attached to a
- * specific sink component class descriptor.
+ * Defines an iterator finalize method attribute attached to a specific
+ * source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Port disconnected method
- *                 (bt_component_class_sink_input_port_disconnected_method).
+ * _x:             Iterator finalize method
+ *                 (bt_component_class_source_message_iterator_finalize_method).
  */
-#define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, sink, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 
 /*
- * Defines an output port disconnected method attribute attached to a
- * specific source component class descriptor.
+ * Defines an iterator "seek nanoseconds from origin" method attribute
+ * attached to a specific source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Port disconnected method
- *                 (bt_component_class_source_output_port_disconnected_method).
+ * _x:             Iterator "seek nanoseconds from origin" method
+ *                 (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, source, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 
 /*
- * Defines an output port disconnected method attribute attached to a
- * specific filter component class descriptor.
+ * Defines an iterator "seek beginning" method attribute attached to a
+ * specific source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Port disconnected method
- *                 (bt_component_class_filter_output_port_disconnected_method).
+ * _x:             Iterator "seek beginning" method
+ *                 (bt_component_class_source_message_iterator_seek_beginning_method).
  */
-#define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, filter, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 
 /*
- * Defines an iterator initialization method attribute attached to a
- * specific source component class descriptor.
+ * Defines an iterator "can seek nanoseconds from origin" method
+ * attribute attached to a specific source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Iterator initialization method
- *                 (bt_component_class_source_message_iterator_init_method).
+ * _x:             Iterator "can seek nanoseconds from origin" method
+ *                 (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, source, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 
 /*
- * Defines an iterator finalize method attribute attached to a specific
- * source component class descriptor.
+ * Defines an iterator "can seek beginning" method attribute attached to a
+ * specific source component class descriptor.
  *
  * _id:            Plugin descriptor ID (C identifier).
  * _comp_class_id: Component class descriptor ID (C identifier).
- * _x:             Iterator finalize method
- *                 (bt_component_class_source_message_iterator_finalize_method).
+ * _x:             Iterator "can seek beginning" method
+ *                 (bt_component_class_source_message_iterator_can_seek_beginning_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 
 /*
  * Defines an iterator initialization method attribute attached to a
@@ -954,6 +964,54 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
        __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 
+/*
+ * Defines an iterator "seek nanoseconds from origin" method attribute
+ * attached to a specific filter component class descriptor.
+ *
+ * _id:            Plugin descriptor ID (C identifier).
+ * _comp_class_id: Component class descriptor ID (C identifier).
+ * _x:             Iterator "seek nanoseconds from origin" method
+ *                 (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
+
+/*
+ * Defines an iterator "seek beginning" method attribute attached to a
+ * specific filter component class descriptor.
+ *
+ * _id:            Plugin descriptor ID (C identifier).
+ * _comp_class_id: Component class descriptor ID (C identifier).
+ * _x:             Iterator "seek beginning" method
+ *                 (bt_component_class_filter_message_iterator_seek_beginning_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
+
+/*
+ * Defines an iterator "can seek nanoseconds from origin" method
+ * attribute attached to a specific filter component class descriptor.
+ *
+ * _id:            Plugin descriptor ID (C identifier).
+ * _comp_class_id: Component class descriptor ID (C identifier).
+ * _x:             Iterator "can seek nanoseconds from origin" method
+ *                 (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
+
+/*
+ * Defines an iterator "can seek beginning" method attribute attached to a
+ * specific filter component class descriptor.
+ *
+ * _id:            Plugin descriptor ID (C identifier).
+ * _comp_class_id: Component class descriptor ID (C identifier).
+ * _x:             Iterator "can seek beginning" method
+ *                 (bt_component_class_filter_message_iterator_can_seek_beginning_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
+
 /*
  * Defines a plugin descriptor with an automatic ID.
  *
@@ -1299,72 +1357,76 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
        BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an input port disconnected method attribute attached to a
- * filter component class descriptor which is attached to the automatic
+ * Defines an iterator initialization method attribute attached to a
+ * source component class descriptor which is attached to the automatic
  * plugin descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Port disconnected (bt_component_class_filter_input_port_disconnected_method).
+ * _x:    Iterator initialization method
+ *        (bt_component_class_source_message_iterator_init_method).
  */
-#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
-       BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an input port disconnected method attribute attached to a
- * sink component class descriptor which is attached to the automatic
- * plugin descriptor.
+ * Defines an iterator finalize method attribute attached to a source
+ * component class descriptor which is attached to the automatic plugin
+ * descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Port disconnected (bt_component_class_sink_input_port_disconnected_method).
+ * _x:    Iterator finalize method
+ *        (bt_component_class_source_message_iterator_finalize_method).
  */
-#define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
-       BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an output port disconnected method attribute attached to a
- * source component class descriptor which is attached to the automatic
- * plugin descriptor.
+ * Defines an iterator "seek nanoseconds from origin" method attribute
+ * attached to a source component class descriptor which is attached to
+ * the automatic plugin descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Port disconnected (bt_component_class_source_output_port_disconnected_method).
+ * _x:    Iterator "seek nanoseconds from origin" method
+ *        (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
-       BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an output port disconnected method attribute attached to a
- * filter component class descriptor which is attached to the automatic
- * plugin descriptor.
+ * Defines an iterator "seek beginning" method attribute
+ * attached to a source component class descriptor which is attached to
+ * the automatic plugin descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Port disconnected (bt_component_class_filter_output_port_disconnected_method).
+ * _x:    Iterator "seek beginning" method
+ *        (bt_component_class_source_message_iterator_seek_beginning_method).
  */
-#define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
-       BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an iterator initialization method attribute attached to a
- * source component class descriptor which is attached to the automatic
- * plugin descriptor.
+ * Defines an iterator "can seek nanoseconds from origin" method
+ * attribute attached to a source component class descriptor which is
+ * attached to the automatic plugin descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Iterator initialization method
- *        (bt_component_class_source_message_iterator_init_method).
+ * _x:    Iterator "can seek nanoseconds from origin" method
+ *        (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
-       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
 
 /*
- * Defines an iterator finalize method attribute attached to a source
- * component class descriptor which is attached to the automatic plugin
- * descriptor.
+ * Defines an iterator "can seek beginning" method attribute
+ * attached to a source component class descriptor which is attached to
+ * the automatic plugin descriptor.
  *
  * _name: Component class name (C identifier).
- * _x:    Iterator finalize method
- *        (bt_component_class_source_message_iterator_finalize_method).
+ * _x:    Iterator "can seek beginning" method
+ *        (bt_component_class_source_message_iterator_can_seek_beginning_method).
  */
-#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
-       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
+       BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
 
 /*
  * Defines an iterator initialization method attribute attached to a
@@ -1390,6 +1452,54 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
        BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
 
+/*
+ * Defines an iterator "seek nanoseconds from origin" method attribute
+ * attached to a filter component class descriptor which is attached to
+ * the automatic plugin descriptor.
+ *
+ * _name: Component class name (C identifier).
+ * _x:    Iterator "seek nanoseconds from origin" method
+ *        (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
+       BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
+
+/*
+ * Defines an iterator "seek beginning" method attribute
+ * attached to a filter component class descriptor which is attached to
+ * the automatic plugin descriptor.
+ *
+ * _name: Component class name (C identifier).
+ * _x:    Iterator "seek beginning" method
+ *        (bt_component_class_filter_message_iterator_seek_beginning_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
+       BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
+
+/*
+ * Defines an iterator "can seek nanoseconds from origin" method
+ * attribute attached to a filter component class descriptor which is
+ * attached to the automatic plugin descriptor.
+ *
+ * _name: Component class name (C identifier).
+ * _x:    Iterator "can seek nanoseconds from origin" method
+ *        (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
+       BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
+
+/*
+ * Defines an iterator "can seek beginning" method attribute
+ * attached to a filter component class descriptor which is attached to
+ * the automatic plugin descriptor.
+ *
+ * _name: Component class name (C identifier).
+ * _x:    Iterator "can seek beginning" method
+ *        (bt_component_class_filter_message_iterator_can_seek_beginning_method).
+ */
+#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
+       BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
+
 #define BT_PLUGIN_MODULE() \
        static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
        _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
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