[babeltrace.git] / src / lib / graph / component.h

#ifndef BABELTRACE_GRAPH_COMPONENT_INTERNAL_H
#define BABELTRACE_GRAPH_COMPONENT_INTERNAL_H

/*
 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "common/macros.h"
#include <babeltrace2/graph/component.h>
#include <babeltrace2/graph/component-class.h>
#include "lib/object.h"
#include <babeltrace2/types.h>
#include <babeltrace2/logging.h>
#include "common/assert.h"
#include <glib.h>
#include <stdbool.h>
#include <stdio.h>

#include "component-class.h"
#include "port.h"

typedef void (*bt_component_destroy_listener_func)(
		struct bt_component *class, void *data);

struct bt_component_destroy_listener {
	bt_component_destroy_listener_func func;
	void *data;
};

struct bt_graph;

struct bt_component {
	struct bt_object base;
	struct bt_component_class *class;
	GString *name;
	bt_logging_level log_level;

	/*
	 * Internal destroy function specific to a source, filter, or
	 * sink component object.
	 */
	void (*destroy)(struct bt_component *);

	/* User-defined data */
	void *user_data;

	/* Input and output ports (weak references) */
	GPtrArray *input_ports;
	GPtrArray *output_ports;

	/* Array of struct bt_component_destroy_listener */
	GArray *destroy_listeners;

	bool initialized;
};

static inline
struct bt_graph *bt_component_borrow_graph(struct bt_component *comp)
{
	BT_ASSERT_DBG(comp);
	return (void *) bt_object_borrow_parent(&comp->base);
}

BT_HIDDEN
int bt_component_create(struct bt_component_class *component_class,
		const char *name, bt_logging_level log_level,
		struct bt_component **component);

BT_HIDDEN
enum bt_component_class_port_connected_method_status
bt_component_port_connected(
		struct bt_component *comp,
		struct bt_port *self_port, struct bt_port *other_port);

BT_HIDDEN
void bt_component_set_graph(struct bt_component *component,
		struct bt_graph *graph);

BT_HIDDEN
uint64_t bt_component_get_input_port_count(const struct bt_component *comp);

BT_HIDDEN
uint64_t bt_component_get_output_port_count(const struct bt_component *comp);

BT_HIDDEN
struct bt_port_input *bt_component_borrow_input_port_by_index(
		struct bt_component *comp, uint64_t index);

BT_HIDDEN
struct bt_port_output *bt_component_borrow_output_port_by_index(
		struct bt_component *comp, uint64_t index);

BT_HIDDEN
struct bt_port_input *bt_component_borrow_input_port_by_name(
		struct bt_component *comp, const char *name);

BT_HIDDEN
struct bt_port_output *bt_component_borrow_output_port_by_name(
		struct bt_component *comp, const char *name);

BT_HIDDEN
enum bt_self_component_add_port_status bt_component_add_input_port(
		struct bt_component *component, const char *name,
		void *user_data, struct bt_port **port);

BT_HIDDEN
enum bt_self_component_add_port_status bt_component_add_output_port(
		struct bt_component *component, const char *name,
		void *user_data, struct bt_port **port);

BT_HIDDEN
void bt_component_remove_port(struct bt_component *component,
		struct bt_port *port);

BT_HIDDEN
void bt_component_add_destroy_listener(struct bt_component *component,
		bt_component_destroy_listener_func func, void *data);

BT_HIDDEN
void bt_component_remove_destroy_listener(struct bt_component *component,
		bt_component_destroy_listener_func func, void *data);

#endif /* BABELTRACE_GRAPH_COMPONENT_INTERNAL_H */
Commit	Line	Data
	1	#ifndef BABELTRACE_GRAPH_COMPONENT_INTERNAL_H
	2	#define BABELTRACE_GRAPH_COMPONENT_INTERNAL_H
	3
	4	/*
	5	* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
	6	* Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice shall be included in
	16	* all copies or substantial portions of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	21	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	24	* SOFTWARE.
	25	*/
	26
	27	#include "common/macros.h"
	28	#include <babeltrace2/graph/component.h>
	29	#include <babeltrace2/graph/component-class.h>
	30	#include "lib/object.h"
	31	#include <babeltrace2/types.h>
	32	#include <babeltrace2/logging.h>
	33	#include "common/assert.h"
	34	#include <glib.h>
	35	#include <stdbool.h>
	36	#include <stdio.h>
	37
	38	#include "component-class.h"
	39	#include "port.h"
	40
	41	typedef void (*bt_component_destroy_listener_func)(
	42	struct bt_component class, void data);
	43
	44	struct bt_component_destroy_listener {
	45	bt_component_destroy_listener_func func;
	46	void *data;
	47	};
	48
	49	struct bt_graph;
	50
	51	struct bt_component {
	52	struct bt_object base;
	53	struct bt_component_class *class;
	54	GString *name;
	55	bt_logging_level log_level;
	56
	57	/*
	58	* Internal destroy function specific to a source, filter, or
	59	* sink component object.
	60	*/
	61	void (destroy)(struct bt_component );
	62
	63	/* User-defined data */
	64	void *user_data;
	65
	66	/* Input and output ports (weak references) */
	67	GPtrArray *input_ports;
	68	GPtrArray *output_ports;
	69
	70	/* Array of struct bt_component_destroy_listener */
	71	GArray *destroy_listeners;
	72
	73	bool initialized;
	74	};
	75
	76	static inline
	77	struct bt_graph bt_component_borrow_graph(struct bt_component comp)
	78	{
	79	BT_ASSERT_DBG(comp);
	80	return (void *) bt_object_borrow_parent(&comp->base);
	81	}
	82
	83	BT_HIDDEN
	84	int bt_component_create(struct bt_component_class *component_class,
	85	const char *name, bt_logging_level log_level,
	86	struct bt_component **component);
	87
	88	BT_HIDDEN
	89	enum bt_component_class_port_connected_method_status
	90	bt_component_port_connected(
	91	struct bt_component *comp,
	92	struct bt_port self_port, struct bt_port other_port);
	93
	94	BT_HIDDEN
	95	void bt_component_set_graph(struct bt_component *component,
	96	struct bt_graph *graph);
	97
	98	BT_HIDDEN
	99	uint64_t bt_component_get_input_port_count(const struct bt_component *comp);
	100
	101	BT_HIDDEN
	102	uint64_t bt_component_get_output_port_count(const struct bt_component *comp);
	103
	104	BT_HIDDEN
	105	struct bt_port_input *bt_component_borrow_input_port_by_index(
	106	struct bt_component *comp, uint64_t index);
	107
	108	BT_HIDDEN
	109	struct bt_port_output *bt_component_borrow_output_port_by_index(
	110	struct bt_component *comp, uint64_t index);
	111
	112	BT_HIDDEN
	113	struct bt_port_input *bt_component_borrow_input_port_by_name(
	114	struct bt_component comp, const char name);
	115
	116	BT_HIDDEN
	117	struct bt_port_output *bt_component_borrow_output_port_by_name(
	118	struct bt_component comp, const char name);
	119
	120	BT_HIDDEN
	121	enum bt_self_component_add_port_status bt_component_add_input_port(
	122	struct bt_component component, const char name,
	123	void user_data, struct bt_port *port);
	124
	125	BT_HIDDEN
	126	enum bt_self_component_add_port_status bt_component_add_output_port(
	127	struct bt_component component, const char name,
	128	void user_data, struct bt_port *port);
	129
	130	BT_HIDDEN
	131	void bt_component_remove_port(struct bt_component *component,
	132	struct bt_port *port);
	133
	134	BT_HIDDEN
	135	void bt_component_add_destroy_listener(struct bt_component *component,
	136	bt_component_destroy_listener_func func, void *data);
	137
	138	BT_HIDDEN
	139	void bt_component_remove_destroy_listener(struct bt_component *component,
	140	bt_component_destroy_listener_func func, void *data);
	141
	142	#endif /* BABELTRACE_GRAPH_COMPONENT_INTERNAL_H */