[babeltrace.git] / src / plugins / utils / counter / counter.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.
 */

#define BT_LOG_OUTPUT_LEVEL (counter->log_level)
#define BT_LOG_TAG "PLUGIN/FLT.UTILS.COUNTER"
#include "logging/log.h"

#include <babeltrace2/babeltrace.h>
#include "common/macros.h"
#include "common/common.h"
#include "common/assert.h"
#include <inttypes.h>
#include <stdint.h>

#include "counter.h"

#define PRINTF_COUNT(_what, _var, args...)				\
	do {								\
		if (counter->count._var != 0 || !counter->hide_zero) {	\
			printf("%15" PRIu64 " %s message%s\n",		\
				counter->count._var,			\
				(_what),				\
				counter->count._var == 1 ? "" : "s");	\
		}							\
	} while (0)

static
const char * const in_port_name = "in";

static
uint64_t get_total_count(struct counter *counter)
{
	return counter->count.event +
		counter->count.stream_begin +
		counter->count.stream_end +
		counter->count.stream_activity_begin +
		counter->count.stream_activity_end +
		counter->count.packet_begin +
		counter->count.packet_end +
		counter->count.disc_events +
		counter->count.disc_packets +
		counter->count.msg_iter_inactivity +
		counter->count.other;
}

static
void print_count(struct counter *counter)
{
	uint64_t total = get_total_count(counter);

	PRINTF_COUNT("Event", event);
	PRINTF_COUNT("Stream beginning", stream_begin);
	PRINTF_COUNT("Stream end", stream_end);
	PRINTF_COUNT("Stream activity beginning", stream_activity_begin);
	PRINTF_COUNT("Stream activity end", stream_activity_end);
	PRINTF_COUNT("Packet beginning", packet_begin);
	PRINTF_COUNT("Packet end", packet_end);
	PRINTF_COUNT("Discarded event", disc_events);
	PRINTF_COUNT("Discarded packet", disc_packets);
	PRINTF_COUNT("Message iterator inactivity", msg_iter_inactivity);

	if (counter->count.other > 0) {
		PRINTF_COUNT("Other (unknown)", other);
	}

	printf("%s%15" PRIu64 " message%s (TOTAL)%s\n",
		bt_common_color_bold(), total, total == 1 ? "" : "s",
		bt_common_color_reset());
	counter->last_printed_total = total;
}

static
void try_print_count(struct counter *counter, uint64_t msg_count)
{
	if (counter->step == 0) {
		/* No update */
		return;
	}

	counter->at += msg_count;

	if (counter->at >= counter->step) {
		counter->at = 0;
		print_count(counter);
		putchar('\n');
	}
}

static
void try_print_last(struct counter *counter)
{
	const uint64_t total = get_total_count(counter);

	if (total != counter->last_printed_total) {
		print_count(counter);
	}
}

void destroy_private_counter_data(struct counter *counter)
{
	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
	g_free(counter);
}

BT_HIDDEN
void counter_finalize(bt_self_component_sink *comp)
{
	struct counter *counter;

	BT_ASSERT(comp);
	counter = bt_self_component_get_data(
			bt_self_component_sink_as_self_component(comp));
	BT_ASSERT(counter);
	try_print_last(counter);
	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
	g_free(counter);
}

BT_HIDDEN
bt_self_component_status counter_init(
		bt_self_component_sink *component,
		const bt_value *params,
		__attribute__((unused)) void *init_method_data)
{
	bt_self_component_status ret;
	struct counter *counter = g_new0(struct counter, 1);
	const bt_value *step = NULL;
	const bt_value *hide_zero = NULL;

	if (!counter) {
		ret = BT_SELF_COMPONENT_STATUS_NOMEM;
		goto error;
	}

	counter->log_level = bt_component_get_logging_level(
		bt_self_component_as_component(
			bt_self_component_sink_as_self_component(component)));
	ret = bt_self_component_sink_add_input_port(component,
		"in", NULL, NULL);
	if (ret != BT_SELF_COMPONENT_STATUS_OK) {
		goto error;
	}

	counter->last_printed_total = -1ULL;
	counter->step = 10000;
	step = bt_value_map_borrow_entry_value_const(params, "step");
	if (step) {
		if (!bt_value_is_unsigned_integer(step)) {
			BT_LOGE("`step` parameter: expecting an unsigned integer value: "
				"type=%s", bt_common_value_type_string(
					bt_value_get_type(step)));
			goto error;
		}

		counter->step = bt_value_unsigned_integer_get(step);
	}

	hide_zero = bt_value_map_borrow_entry_value_const(params, "hide-zero");
	if (hide_zero) {
		if (!bt_value_is_bool(hide_zero)) {
			BT_LOGE("`hide-zero` parameter: expecting a boolean value: "
				"type=%s", bt_common_value_type_string(
					bt_value_get_type(hide_zero)));
			goto error;
		}

		counter->hide_zero = (bool) bt_value_bool_get(hide_zero);
	}

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

error:
	destroy_private_counter_data(counter);
	ret = BT_SELF_COMPONENT_STATUS_ERROR;

end:
	return ret;
}

BT_HIDDEN
bt_self_component_status counter_graph_is_configured(
		bt_self_component_sink *comp)
{
	bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
	struct counter *counter;
	bt_self_component_port_input_message_iterator *iterator;

	counter = bt_self_component_get_data(
		bt_self_component_sink_as_self_component(comp));
	BT_ASSERT(counter);
	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_SELF_COMPONENT_STATUS_NOMEM;
		goto end;
	}

	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
		counter->msg_iter, iterator);

end:
	return status;
}

BT_HIDDEN
bt_self_component_status counter_consume(
		bt_self_component_sink *comp)
{
	bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK;
	struct counter *counter;
	bt_message_iterator_status it_ret;
	uint64_t msg_count;
	bt_message_array_const msgs;

	counter = bt_self_component_get_data(
			bt_self_component_sink_as_self_component(comp));
	BT_ASSERT(counter);

	if (G_UNLIKELY(!counter->msg_iter)) {
		try_print_last(counter);
		ret = BT_SELF_COMPONENT_STATUS_END;
		goto end;
	}

	/* Consume messages */
	it_ret = bt_self_component_port_input_message_iterator_next(
		counter->msg_iter, &msgs, &msg_count);
	if (it_ret < 0) {
		ret = BT_SELF_COMPONENT_STATUS_ERROR;
		goto end;
	}

	switch (it_ret) {
	case BT_MESSAGE_ITERATOR_STATUS_OK:
	{
		uint64_t i;

		for (i = 0; i < msg_count; i++) {
			const bt_message *msg = msgs[i];

			BT_ASSERT(msg);
			switch (bt_message_get_type(msg)) {
			case BT_MESSAGE_TYPE_EVENT:
				counter->count.event++;
				break;
			case BT_MESSAGE_TYPE_PACKET_BEGINNING:
				counter->count.packet_begin++;
				break;
			case BT_MESSAGE_TYPE_PACKET_END:
				counter->count.packet_end++;
				break;
			case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
				counter->count.msg_iter_inactivity++;
				break;
			case BT_MESSAGE_TYPE_STREAM_BEGINNING:
				counter->count.stream_begin++;
				break;
			case BT_MESSAGE_TYPE_STREAM_END:
				counter->count.stream_end++;
				break;
			case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
				counter->count.stream_activity_begin++;
				break;
			case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
				counter->count.stream_activity_end++;
				break;
			case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
				counter->count.disc_events++;
				break;
			case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
				counter->count.disc_packets++;
				break;
			default:
				counter->count.other++;
			}

			bt_message_put_ref(msg);
		}

		ret = BT_SELF_COMPONENT_STATUS_OK;
		break;
	}
	case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
		ret = BT_SELF_COMPONENT_STATUS_AGAIN;
		goto end;
	case BT_MESSAGE_ITERATOR_STATUS_END:
		try_print_last(counter);
		ret = BT_SELF_COMPONENT_STATUS_END;
		goto end;
	case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
		ret = BT_SELF_COMPONENT_STATUS_NOMEM;
		goto end;
	default:
		break;
	}

	try_print_count(counter, msg_count);

end:
	return ret;
}
Commit	Line	Data
358340ec PP	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
9d87d0ea	23	#define BT_LOG_OUTPUT_LEVEL (counter->log_level)
350ad6c1	24	#define BT_LOG_TAG "PLUGIN/FLT.UTILS.COUNTER"
9d87d0ea	25	#include "logging/log.h"
fdd3a2da	26
3fadfbc0	27	#include <babeltrace2/babeltrace.h>
91d81473	28	#include "common/macros.h"
578e048b	29	#include "common/common.h"
578e048b	30	#include "common/assert.h"
358340ec PP	31	#include <inttypes.h>
	32	#include <stdint.h>
	33
	34	#include "counter.h"
	35
0e847b69	36	#define PRINTF_COUNT(_what, _var, args...) \
358340ec PP	37	do { \
358340ec PP	38	if (counter->count._var != 0 \|\| !counter->hide_zero) { \
0e847b69	39	printf("%15" PRIu64 " %s message%s\n", \
358340ec	40	counter->count._var, \
0e847b69 PP	41	(_what), \
0e847b69 PP	42	counter->count._var == 1 ? "" : "s"); \
358340ec PP	43	} \
	44	} while (0)
	45
5badd463 PP	46	static
	47	const char * const in_port_name = "in";
	48
358340ec PP	49	static
	50	uint64_t get_total_count(struct counter *counter)
	51	{
	52	return counter->count.event +
	53	counter->count.stream_begin +
	54	counter->count.stream_end +
0e847b69 PP	55	counter->count.stream_activity_begin +
0e847b69 PP	56	counter->count.stream_activity_end +
358340ec PP	57	counter->count.packet_begin +
358340ec PP	58	counter->count.packet_end +
0e847b69 PP	59	counter->count.disc_events +
0e847b69 PP	60	counter->count.disc_packets +
b9fd9cbb	61	counter->count.msg_iter_inactivity +
358340ec PP	62	counter->count.other;
	63	}
	64
	65	static
d4393e08	66	void print_count(struct counter *counter)
358340ec	67	{
d4393e08 PP	68	uint64_t total = get_total_count(counter);
d4393e08 PP	69
0e847b69 PP	70	PRINTF_COUNT("Event", event);
	71	PRINTF_COUNT("Stream beginning", stream_begin);
	72	PRINTF_COUNT("Stream end", stream_end);
	73	PRINTF_COUNT("Stream activity beginning", stream_activity_begin);
	74	PRINTF_COUNT("Stream activity end", stream_activity_end);
	75	PRINTF_COUNT("Packet beginning", packet_begin);
	76	PRINTF_COUNT("Packet end", packet_end);
	77	PRINTF_COUNT("Discarded event", disc_events);
	78	PRINTF_COUNT("Discarded packet", disc_packets);
	79	PRINTF_COUNT("Message iterator inactivity", msg_iter_inactivity);
358340ec PP	80
358340ec PP	81	if (counter->count.other > 0) {
0e847b69	82	PRINTF_COUNT("Other (unknown)", other);
358340ec PP	83	}
358340ec PP	84
d6e69534	85	printf("%s%15" PRIu64 " message%s (TOTAL)%s\n",
358340ec PP	86	bt_common_color_bold(), total, total == 1 ? "" : "s",
	87	bt_common_color_reset());
	88	counter->last_printed_total = total;
	89	}
	90
	91	static
d6e69534	92	void try_print_count(struct counter *counter, uint64_t msg_count)
358340ec	93	{
358340ec PP	94	if (counter->step == 0) {
	95	/* No update */
	96	return;
	97	}
	98
d6e69534	99	counter->at += msg_count;
358340ec	100
d4393e08 PP	101	if (counter->at >= counter->step) {
	102	counter->at = 0;
	103	print_count(counter);
358340ec PP	104	putchar('\n');
	105	}
	106	}
	107
	108	static
	109	void try_print_last(struct counter *counter)
	110	{
	111	const uint64_t total = get_total_count(counter);
	112
	113	if (total != counter->last_printed_total) {
d4393e08	114	print_count(counter);
358340ec PP	115	}
	116	}
	117
	118	void destroy_private_counter_data(struct counter *counter)
	119	{
d6e69534	120	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
358340ec PP	121	g_free(counter);
	122	}
	123
d94d92ac	124	BT_HIDDEN
b19ff26f	125	void counter_finalize(bt_self_component_sink *comp)
358340ec PP	126	{
	127	struct counter *counter;
	128
d94d92ac PP	129	BT_ASSERT(comp);
d94d92ac PP	130	counter = bt_self_component_get_data(
707b7d35	131	bt_self_component_sink_as_self_component(comp));
f6ccaed9	132	BT_ASSERT(counter);
358340ec	133	try_print_last(counter);
d6e69534	134	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
358340ec PP	135	g_free(counter);
	136	}
	137
d94d92ac	138	BT_HIDDEN
4cdfc5e8	139	bt_self_component_status counter_init(
b19ff26f PP	140	bt_self_component_sink *component,
b19ff26f PP	141	const bt_value *params,
c88dd1cb	142	__attribute__((unused)) void *init_method_data)
358340ec	143	{
4cdfc5e8	144	bt_self_component_status ret;
358340ec	145	struct counter *counter = g_new0(struct counter, 1);
b19ff26f PP	146	const bt_value *step = NULL;
b19ff26f PP	147	const bt_value *hide_zero = NULL;
358340ec PP	148
358340ec PP	149	if (!counter) {
d94d92ac PP	150	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
d94d92ac PP	151	goto error;
358340ec PP	152	}
358340ec PP	153
9d87d0ea PP	154	counter->log_level = bt_component_get_logging_level(
	155	bt_self_component_as_component(
	156	bt_self_component_sink_as_self_component(component)));
d94d92ac	157	ret = bt_self_component_sink_add_input_port(component,
358340ec	158	"in", NULL, NULL);
d94d92ac PP	159	if (ret != BT_SELF_COMPONENT_STATUS_OK) {
d94d92ac PP	160	goto error;
358340ec PP	161	}
	162
	163	counter->last_printed_total = -1ULL;
a5bc50e4	164	counter->step = 10000;
05e21286	165	step = bt_value_map_borrow_entry_value_const(params, "step");
fdd3a2da PP	166	if (step) {
	167	if (!bt_value_is_unsigned_integer(step)) {
	168	BT_LOGE("`step` parameter: expecting an unsigned integer value: "
	169	"type=%s", bt_common_value_type_string(
	170	bt_value_get_type(step)));
	171	goto error;
358340ec	172	}
fdd3a2da PP	173
fdd3a2da PP	174	counter->step = bt_value_unsigned_integer_get(step);
358340ec PP	175	}
358340ec PP	176
05e21286	177	hide_zero = bt_value_map_borrow_entry_value_const(params, "hide-zero");
fdd3a2da PP	178	if (hide_zero) {
	179	if (!bt_value_is_bool(hide_zero)) {
	180	BT_LOGE("`hide-zero` parameter: expecting a boolean value: "
	181	"type=%s", bt_common_value_type_string(
	182	bt_value_get_type(hide_zero)));
	183	goto error;
	184	}
358340ec	185
fdd3a2da	186	counter->hide_zero = (bool) bt_value_bool_get(hide_zero);
358340ec PP	187	}
358340ec PP	188
d94d92ac	189	bt_self_component_set_data(
707b7d35	190	bt_self_component_sink_as_self_component(component),
d94d92ac	191	counter);
358340ec PP	192	goto end;
	193
	194	error:
	195	destroy_private_counter_data(counter);
fdd3a2da	196	ret = BT_SELF_COMPONENT_STATUS_ERROR;
358340ec PP	197
358340ec PP	198	end:
358340ec PP	199	return ret;
	200	}
	201
d94d92ac	202	BT_HIDDEN
5badd463 PP	203	bt_self_component_status counter_graph_is_configured(
5badd463 PP	204	bt_self_component_sink *comp)
358340ec	205	{
4cdfc5e8	206	bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
358340ec	207	struct counter *counter;
d6e69534	208	bt_self_component_port_input_message_iterator *iterator;
358340ec	209
d94d92ac	210	counter = bt_self_component_get_data(
707b7d35	211	bt_self_component_sink_as_self_component(comp));
f6ccaed9	212	BT_ASSERT(counter);
d6e69534	213	iterator = bt_self_component_port_input_message_iterator_create(
5badd463 PP	214	bt_self_component_sink_borrow_input_port_by_name(comp,
5badd463 PP	215	in_port_name));
d94d92ac PP	216	if (!iterator) {
d94d92ac PP	217	status = BT_SELF_COMPONENT_STATUS_NOMEM;
358340ec PP	218	goto end;
	219	}
	220
d6e69534 PP	221	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
d6e69534 PP	222	counter->msg_iter, iterator);
358340ec PP	223
358340ec PP	224	end:
bf55043c	225	return status;
358340ec PP	226	}
358340ec PP	227
d94d92ac	228	BT_HIDDEN
4cdfc5e8	229	bt_self_component_status counter_consume(
b19ff26f	230	bt_self_component_sink *comp)
358340ec	231	{
4cdfc5e8	232	bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK;
358340ec	233	struct counter *counter;
4cdfc5e8	234	bt_message_iterator_status it_ret;
d6e69534 PP	235	uint64_t msg_count;
d6e69534 PP	236	bt_message_array_const msgs;
358340ec	237
d94d92ac	238	counter = bt_self_component_get_data(
707b7d35	239	bt_self_component_sink_as_self_component(comp));
f6ccaed9	240	BT_ASSERT(counter);
358340ec	241
91d81473	242	if (G_UNLIKELY(!counter->msg_iter)) {
358340ec	243	try_print_last(counter);
d94d92ac	244	ret = BT_SELF_COMPONENT_STATUS_END;
358340ec PP	245	goto end;
	246	}
	247
d6e69534 PP	248	/* Consume messages */
	249	it_ret = bt_self_component_port_input_message_iterator_next(
	250	counter->msg_iter, &msgs, &msg_count);
358340ec	251	if (it_ret < 0) {
d94d92ac	252	ret = BT_SELF_COMPONENT_STATUS_ERROR;
358340ec PP	253	goto end;
	254	}
	255
	256	switch (it_ret) {
d6e69534	257	case BT_MESSAGE_ITERATOR_STATUS_OK:
358340ec	258	{
d4393e08 PP	259	uint64_t i;
d4393e08 PP	260
d6e69534 PP	261	for (i = 0; i < msg_count; i++) {
d6e69534 PP	262	const bt_message *msg = msgs[i];
d4393e08	263
d6e69534 PP	264	BT_ASSERT(msg);
	265	switch (bt_message_get_type(msg)) {
	266	case BT_MESSAGE_TYPE_EVENT:
d4393e08 PP	267	counter->count.event++;
d4393e08 PP	268	break;
0e847b69 PP	269	case BT_MESSAGE_TYPE_PACKET_BEGINNING:
	270	counter->count.packet_begin++;
	271	break;
	272	case BT_MESSAGE_TYPE_PACKET_END:
	273	counter->count.packet_end++;
	274	break;
b9fd9cbb FD	275	case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
b9fd9cbb FD	276	counter->count.msg_iter_inactivity++;
d4393e08	277	break;
d6e69534	278	case BT_MESSAGE_TYPE_STREAM_BEGINNING:
d4393e08 PP	279	counter->count.stream_begin++;
d4393e08 PP	280	break;
d6e69534	281	case BT_MESSAGE_TYPE_STREAM_END:
d4393e08 PP	282	counter->count.stream_end++;
d4393e08 PP	283	break;
0e847b69 PP	284	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
0e847b69 PP	285	counter->count.stream_activity_begin++;
d4393e08	286	break;
0e847b69 PP	287	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
	288	counter->count.stream_activity_end++;
	289	break;
	290	case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
	291	counter->count.disc_events++;
	292	break;
	293	case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
	294	counter->count.disc_packets++;
d4393e08	295	break;
d4393e08 PP	296	default:
d4393e08 PP	297	counter->count.other++;
358340ec	298	}
d4393e08	299
d6e69534	300	bt_message_put_ref(msg);
358340ec	301	}
d94d92ac PP	302
	303	ret = BT_SELF_COMPONENT_STATUS_OK;
	304	break;
358340ec	305	}
d6e69534	306	case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
d94d92ac PP	307	ret = BT_SELF_COMPONENT_STATUS_AGAIN;
d94d92ac PP	308	goto end;
d6e69534	309	case BT_MESSAGE_ITERATOR_STATUS_END:
d94d92ac PP	310	try_print_last(counter);
	311	ret = BT_SELF_COMPONENT_STATUS_END;
	312	goto end;
d6e69534	313	case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
d94d92ac PP	314	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
d94d92ac PP	315	goto end;
358340ec PP	316	default:
	317	break;
	318	}
	319
d6e69534	320	try_print_count(counter, msg_count);
358340ec PP	321
358340ec PP	322	end:
358340ec PP	323	return ret;
358340ec PP	324	}