[babeltrace.git] / src / plugins / utils / dummy / dummy.c

/*
 * Copyright 2017 Philippe Proulx <pproulx@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 <babeltrace2/babeltrace.h>
#include "common/macros.h"
#include "common/assert.h"
#include "dummy.h"

static
const char * const in_port_name = "in";

void destroy_private_dummy_data(struct dummy *dummy)
{
	bt_self_component_port_input_message_iterator_put_ref(dummy->msg_iter);
	g_free(dummy);

}

BT_HIDDEN
void dummy_finalize(bt_self_component_sink *comp)
{
	struct dummy *dummy;

	BT_ASSERT(comp);
	dummy = bt_self_component_get_data(
			bt_self_component_sink_as_self_component(comp));
	BT_ASSERT(dummy);
	destroy_private_dummy_data(dummy);
}

BT_HIDDEN
bt_component_class_init_method_status dummy_init(
		bt_self_component_sink *component,
		const bt_value *params,
		__attribute__((unused)) void *init_method_data)
{
	bt_component_class_init_method_status status =
		BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
	bt_self_component_add_port_status add_port_status;
	struct dummy *dummy = g_new0(struct dummy, 1);

	if (!dummy) {
		status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
		goto end;
	}

	add_port_status = bt_self_component_sink_add_input_port(component,
		"in", NULL, NULL);
	switch (add_port_status) {
	case BT_SELF_COMPONENT_ADD_PORT_STATUS_ERROR:
		status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
		goto error;
	case BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR:
		status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
		goto error;
	default:
		break;
	}

	bt_self_component_set_data(
		bt_self_component_sink_as_self_component(component), dummy);
	goto end;

error:
	destroy_private_dummy_data(dummy);

end:
	return status;
}

BT_HIDDEN
bt_component_class_sink_graph_is_configured_method_status dummy_graph_is_configured(
		bt_self_component_sink *comp)
{
	bt_component_class_sink_graph_is_configured_method_status status =
		BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
	struct dummy *dummy;
	bt_self_component_port_input_message_iterator *iterator;

	dummy = bt_self_component_get_data(
		bt_self_component_sink_as_self_component(comp));
	BT_ASSERT(dummy);
	iterator = bt_self_component_port_input_message_iterator_create(
		bt_self_component_sink_borrow_input_port_by_name(comp,
			in_port_name));
	if (!iterator) {
		status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_MEMORY_ERROR;
		goto end;
	}

	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
		dummy->msg_iter, iterator);

end:
	return status;
}

BT_HIDDEN
bt_component_class_sink_consume_method_status dummy_consume(
		bt_self_component_sink *component)
{
	bt_component_class_sink_consume_method_status status =
		BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
	bt_message_array_const msgs;
	uint64_t count;
	struct dummy *dummy;
	bt_message_iterator_next_status next_status;
	uint64_t i;

	dummy = bt_self_component_get_data(
		bt_self_component_sink_as_self_component(component));
	BT_ASSERT(dummy);

	if (G_UNLIKELY(!dummy->msg_iter)) {
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
		goto end;
	}

	/* Consume one message  */
	next_status = bt_self_component_port_input_message_iterator_next(
		dummy->msg_iter, &msgs, &count);
	switch (next_status) {
	case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK:
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;

		for (i = 0; i < count; i++) {
			bt_message_put_ref(msgs[i]);
		}

		break;
	case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN:
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_AGAIN;
		goto end;
	case BT_MESSAGE_ITERATOR_NEXT_STATUS_END:
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
		goto end;
	case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR:
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
		goto end;
	case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR:
		status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_MEMORY_ERROR;
		goto end;
	default:
		break;
	}

end:
	return status;
}
Commit	Line	Data
	1	/*
	2	* Copyright 2017 Philippe Proulx <pproulx@efficios.com>
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a copy
	5	* of this software and associated documentation files (the "Software"), to deal
	6	* in the Software without restriction, including without limitation the rights
	7	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	8	* copies of the Software, and to permit persons to whom the Software is
	9	* furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	17	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	18	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	19	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	20	* SOFTWARE.
	21	*/
	22
	23	#include <babeltrace2/babeltrace.h>
	24	#include "common/macros.h"
	25	#include "common/assert.h"
	26	#include "dummy.h"
	27
	28	static
	29	const char * const in_port_name = "in";
	30
	31	void destroy_private_dummy_data(struct dummy *dummy)
	32	{
	33	bt_self_component_port_input_message_iterator_put_ref(dummy->msg_iter);
	34	g_free(dummy);
	35
	36	}
	37
	38	BT_HIDDEN
	39	void dummy_finalize(bt_self_component_sink *comp)
	40	{
	41	struct dummy *dummy;
	42
	43	BT_ASSERT(comp);
	44	dummy = bt_self_component_get_data(
	45	bt_self_component_sink_as_self_component(comp));
	46	BT_ASSERT(dummy);
	47	destroy_private_dummy_data(dummy);
	48	}
	49
	50	BT_HIDDEN
	51	bt_component_class_init_method_status dummy_init(
	52	bt_self_component_sink *component,
	53	const bt_value *params,
	54	__attribute__((unused)) void *init_method_data)
	55	{
	56	bt_component_class_init_method_status status =
	57	BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
	58	bt_self_component_add_port_status add_port_status;
	59	struct dummy *dummy = g_new0(struct dummy, 1);
	60
	61	if (!dummy) {
	62	status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
	63	goto end;
	64	}
	65
	66	add_port_status = bt_self_component_sink_add_input_port(component,
	67	"in", NULL, NULL);
	68	switch (add_port_status) {
	69	case BT_SELF_COMPONENT_ADD_PORT_STATUS_ERROR:
	70	status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
	71	goto error;
	72	case BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR:
	73	status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
	74	goto error;
	75	default:
	76	break;
	77	}
	78
	79	bt_self_component_set_data(
	80	bt_self_component_sink_as_self_component(component), dummy);
	81	goto end;
	82
	83	error:
	84	destroy_private_dummy_data(dummy);
	85
	86	end:
	87	return status;
	88	}
	89
	90	BT_HIDDEN
	91	bt_component_class_sink_graph_is_configured_method_status dummy_graph_is_configured(
	92	bt_self_component_sink *comp)
	93	{
	94	bt_component_class_sink_graph_is_configured_method_status status =
	95	BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
	96	struct dummy *dummy;
	97	bt_self_component_port_input_message_iterator *iterator;
	98
	99	dummy = bt_self_component_get_data(
	100	bt_self_component_sink_as_self_component(comp));
	101	BT_ASSERT(dummy);
	102	iterator = bt_self_component_port_input_message_iterator_create(
	103	bt_self_component_sink_borrow_input_port_by_name(comp,
	104	in_port_name));
	105	if (!iterator) {
	106	status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_MEMORY_ERROR;
	107	goto end;
	108	}
	109
	110	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
	111	dummy->msg_iter, iterator);
	112
	113	end:
	114	return status;
	115	}
	116
	117	BT_HIDDEN
	118	bt_component_class_sink_consume_method_status dummy_consume(
	119	bt_self_component_sink *component)
	120	{
	121	bt_component_class_sink_consume_method_status status =
	122	BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
	123	bt_message_array_const msgs;
	124	uint64_t count;
	125	struct dummy *dummy;
	126	bt_message_iterator_next_status next_status;
	127	uint64_t i;
	128
	129	dummy = bt_self_component_get_data(
	130	bt_self_component_sink_as_self_component(component));
	131	BT_ASSERT(dummy);
	132
	133	if (G_UNLIKELY(!dummy->msg_iter)) {
	134	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
	135	goto end;
	136	}
	137
	138	/* Consume one message */
	139	next_status = bt_self_component_port_input_message_iterator_next(
	140	dummy->msg_iter, &msgs, &count);
	141	switch (next_status) {
	142	case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK:
	143	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
	144
	145	for (i = 0; i < count; i++) {
	146	bt_message_put_ref(msgs[i]);
	147	}
	148
	149	break;
	150	case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN:
	151	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_AGAIN;
	152	goto end;
	153	case BT_MESSAGE_ITERATOR_NEXT_STATUS_END:
	154	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
	155	goto end;
	156	case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR:
	157	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
	158	goto end;
	159	case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR:
	160	status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_MEMORY_ERROR;
	161	goto end;
	162	default:
	163	break;
	164	}
	165
	166	end:
	167	return status;
	168	}