[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_TAG "PLUGIN-UTILS-COUNTER-FLT"
#include "logging.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;
	}

	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
14b7ef9e 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
68d9d039 PP	23	#define BT_LOG_TAG "PLUGIN-UTILS-COUNTER-FLT"
	24	#include "logging.h"
	25
71c5da58	26	#include <babeltrace2/babeltrace.h>
85e7137b	27	#include "common/macros.h"
57952005	28	#include "common/common.h"
57952005	29	#include "common/assert.h"
14b7ef9e PP	30	#include <inttypes.h>
	31	#include <stdint.h>
	32
	33	#include "counter.h"
	34
168baad4	35	#define PRINTF_COUNT(_what, _var, args...) \
14b7ef9e PP	36	do { \
14b7ef9e PP	37	if (counter->count._var != 0 \|\| !counter->hide_zero) { \
168baad4	38	printf("%15" PRIu64 " %s message%s\n", \
14b7ef9e	39	counter->count._var, \
168baad4 PP	40	(_what), \
168baad4 PP	41	counter->count._var == 1 ? "" : "s"); \
14b7ef9e PP	42	} \
	43	} while (0)
	44
1043fdea PP	45	static
	46	const char * const in_port_name = "in";
	47
14b7ef9e PP	48	static
	49	uint64_t get_total_count(struct counter *counter)
	50	{
	51	return counter->count.event +
	52	counter->count.stream_begin +
	53	counter->count.stream_end +
168baad4 PP	54	counter->count.stream_activity_begin +
168baad4 PP	55	counter->count.stream_activity_end +
14b7ef9e PP	56	counter->count.packet_begin +
14b7ef9e PP	57	counter->count.packet_end +
168baad4 PP	58	counter->count.disc_events +
168baad4 PP	59	counter->count.disc_packets +
40bf6fd0	60	counter->count.msg_iter_inactivity +
14b7ef9e PP	61	counter->count.other;
	62	}
	63
	64	static
3fd7b79d	65	void print_count(struct counter *counter)
14b7ef9e	66	{
3fd7b79d PP	67	uint64_t total = get_total_count(counter);
3fd7b79d PP	68
168baad4 PP	69	PRINTF_COUNT("Event", event);
	70	PRINTF_COUNT("Stream beginning", stream_begin);
	71	PRINTF_COUNT("Stream end", stream_end);
	72	PRINTF_COUNT("Stream activity beginning", stream_activity_begin);
	73	PRINTF_COUNT("Stream activity end", stream_activity_end);
	74	PRINTF_COUNT("Packet beginning", packet_begin);
	75	PRINTF_COUNT("Packet end", packet_end);
	76	PRINTF_COUNT("Discarded event", disc_events);
	77	PRINTF_COUNT("Discarded packet", disc_packets);
	78	PRINTF_COUNT("Message iterator inactivity", msg_iter_inactivity);
14b7ef9e PP	79
14b7ef9e PP	80	if (counter->count.other > 0) {
168baad4	81	PRINTF_COUNT("Other (unknown)", other);
14b7ef9e PP	82	}
14b7ef9e PP	83
b09a5592	84	printf("%s%15" PRIu64 " message%s (TOTAL)%s\n",
14b7ef9e PP	85	bt_common_color_bold(), total, total == 1 ? "" : "s",
	86	bt_common_color_reset());
	87	counter->last_printed_total = total;
	88	}
	89
	90	static
b09a5592	91	void try_print_count(struct counter *counter, uint64_t msg_count)
14b7ef9e	92	{
14b7ef9e PP	93	if (counter->step == 0) {
	94	/* No update */
	95	return;
	96	}
	97
b09a5592	98	counter->at += msg_count;
14b7ef9e	99
3fd7b79d PP	100	if (counter->at >= counter->step) {
	101	counter->at = 0;
	102	print_count(counter);
14b7ef9e PP	103	putchar('\n');
	104	}
	105	}
	106
	107	static
	108	void try_print_last(struct counter *counter)
	109	{
	110	const uint64_t total = get_total_count(counter);
	111
	112	if (total != counter->last_printed_total) {
3fd7b79d	113	print_count(counter);
14b7ef9e PP	114	}
	115	}
	116
	117	void destroy_private_counter_data(struct counter *counter)
	118	{
b09a5592	119	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
14b7ef9e PP	120	g_free(counter);
	121	}
	122
834e9996	123	BT_HIDDEN
8eee8ea2	124	void counter_finalize(bt_self_component_sink *comp)
14b7ef9e PP	125	{
	126	struct counter *counter;
	127
834e9996 PP	128	BT_ASSERT(comp);
834e9996 PP	129	counter = bt_self_component_get_data(
bb61965b	130	bt_self_component_sink_as_self_component(comp));
8b45963b	131	BT_ASSERT(counter);
14b7ef9e	132	try_print_last(counter);
b09a5592	133	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
14b7ef9e PP	134	g_free(counter);
	135	}
	136
834e9996	137	BT_HIDDEN
ee78f405	138	bt_self_component_status counter_init(
8eee8ea2 PP	139	bt_self_component_sink *component,
8eee8ea2 PP	140	const bt_value *params,
f807570c	141	__attribute__((unused)) void *init_method_data)
14b7ef9e	142	{
ee78f405	143	bt_self_component_status ret;
14b7ef9e	144	struct counter *counter = g_new0(struct counter, 1);
8eee8ea2 PP	145	const bt_value *step = NULL;
8eee8ea2 PP	146	const bt_value *hide_zero = NULL;
14b7ef9e PP	147
14b7ef9e PP	148	if (!counter) {
834e9996 PP	149	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
834e9996 PP	150	goto error;
14b7ef9e PP	151	}
14b7ef9e PP	152
834e9996	153	ret = bt_self_component_sink_add_input_port(component,
14b7ef9e	154	"in", NULL, NULL);
834e9996 PP	155	if (ret != BT_SELF_COMPONENT_STATUS_OK) {
834e9996 PP	156	goto error;
14b7ef9e PP	157	}
	158
	159	counter->last_printed_total = -1ULL;
a79f976c	160	counter->step = 10000;
ce141536	161	step = bt_value_map_borrow_entry_value_const(params, "step");
68d9d039 PP	162	if (step) {
	163	if (!bt_value_is_unsigned_integer(step)) {
	164	BT_LOGE("`step` parameter: expecting an unsigned integer value: "
	165	"type=%s", bt_common_value_type_string(
	166	bt_value_get_type(step)));
	167	goto error;
14b7ef9e	168	}
68d9d039 PP	169
68d9d039 PP	170	counter->step = bt_value_unsigned_integer_get(step);
14b7ef9e PP	171	}
14b7ef9e PP	172
ce141536	173	hide_zero = bt_value_map_borrow_entry_value_const(params, "hide-zero");
68d9d039 PP	174	if (hide_zero) {
	175	if (!bt_value_is_bool(hide_zero)) {
	176	BT_LOGE("`hide-zero` parameter: expecting a boolean value: "
	177	"type=%s", bt_common_value_type_string(
	178	bt_value_get_type(hide_zero)));
	179	goto error;
	180	}
14b7ef9e	181
68d9d039	182	counter->hide_zero = (bool) bt_value_bool_get(hide_zero);
14b7ef9e PP	183	}
14b7ef9e PP	184
834e9996	185	bt_self_component_set_data(
bb61965b	186	bt_self_component_sink_as_self_component(component),
834e9996	187	counter);
14b7ef9e PP	188	goto end;
	189
	190	error:
	191	destroy_private_counter_data(counter);
68d9d039	192	ret = BT_SELF_COMPONENT_STATUS_ERROR;
14b7ef9e PP	193
14b7ef9e PP	194	end:
14b7ef9e PP	195	return ret;
	196	}
	197
834e9996	198	BT_HIDDEN
1043fdea PP	199	bt_self_component_status counter_graph_is_configured(
1043fdea PP	200	bt_self_component_sink *comp)
14b7ef9e	201	{
ee78f405	202	bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
14b7ef9e	203	struct counter *counter;
b09a5592	204	bt_self_component_port_input_message_iterator *iterator;
14b7ef9e	205
834e9996	206	counter = bt_self_component_get_data(
bb61965b	207	bt_self_component_sink_as_self_component(comp));
8b45963b	208	BT_ASSERT(counter);
b09a5592	209	iterator = bt_self_component_port_input_message_iterator_create(
1043fdea PP	210	bt_self_component_sink_borrow_input_port_by_name(comp,
1043fdea PP	211	in_port_name));
834e9996 PP	212	if (!iterator) {
834e9996 PP	213	status = BT_SELF_COMPONENT_STATUS_NOMEM;
14b7ef9e PP	214	goto end;
	215	}
	216
b09a5592 PP	217	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
b09a5592 PP	218	counter->msg_iter, iterator);
14b7ef9e PP	219
14b7ef9e PP	220	end:
634f394c	221	return status;
14b7ef9e PP	222	}
14b7ef9e PP	223
834e9996	224	BT_HIDDEN
ee78f405	225	bt_self_component_status counter_consume(
8eee8ea2	226	bt_self_component_sink *comp)
14b7ef9e	227	{
ee78f405	228	bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK;
14b7ef9e	229	struct counter *counter;
ee78f405	230	bt_message_iterator_status it_ret;
b09a5592 PP	231	uint64_t msg_count;
b09a5592 PP	232	bt_message_array_const msgs;
14b7ef9e	233
834e9996	234	counter = bt_self_component_get_data(
bb61965b	235	bt_self_component_sink_as_self_component(comp));
8b45963b	236	BT_ASSERT(counter);
14b7ef9e	237
85e7137b	238	if (G_UNLIKELY(!counter->msg_iter)) {
14b7ef9e	239	try_print_last(counter);
834e9996	240	ret = BT_SELF_COMPONENT_STATUS_END;
14b7ef9e PP	241	goto end;
	242	}
	243
b09a5592 PP	244	/* Consume messages */
	245	it_ret = bt_self_component_port_input_message_iterator_next(
	246	counter->msg_iter, &msgs, &msg_count);
14b7ef9e	247	if (it_ret < 0) {
834e9996	248	ret = BT_SELF_COMPONENT_STATUS_ERROR;
14b7ef9e PP	249	goto end;
	250	}
	251
	252	switch (it_ret) {
b09a5592	253	case BT_MESSAGE_ITERATOR_STATUS_OK:
14b7ef9e	254	{
3fd7b79d PP	255	uint64_t i;
3fd7b79d PP	256
b09a5592 PP	257	for (i = 0; i < msg_count; i++) {
b09a5592 PP	258	const bt_message *msg = msgs[i];
3fd7b79d	259
b09a5592 PP	260	BT_ASSERT(msg);
	261	switch (bt_message_get_type(msg)) {
	262	case BT_MESSAGE_TYPE_EVENT:
3fd7b79d PP	263	counter->count.event++;
3fd7b79d PP	264	break;
168baad4 PP	265	case BT_MESSAGE_TYPE_PACKET_BEGINNING:
	266	counter->count.packet_begin++;
	267	break;
	268	case BT_MESSAGE_TYPE_PACKET_END:
	269	counter->count.packet_end++;
	270	break;
40bf6fd0 FD	271	case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
40bf6fd0 FD	272	counter->count.msg_iter_inactivity++;
3fd7b79d	273	break;
b09a5592	274	case BT_MESSAGE_TYPE_STREAM_BEGINNING:
3fd7b79d PP	275	counter->count.stream_begin++;
3fd7b79d PP	276	break;
b09a5592	277	case BT_MESSAGE_TYPE_STREAM_END:
3fd7b79d PP	278	counter->count.stream_end++;
3fd7b79d PP	279	break;
168baad4 PP	280	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
168baad4 PP	281	counter->count.stream_activity_begin++;
3fd7b79d	282	break;
168baad4 PP	283	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
	284	counter->count.stream_activity_end++;
	285	break;
	286	case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
	287	counter->count.disc_events++;
	288	break;
	289	case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
	290	counter->count.disc_packets++;
3fd7b79d	291	break;
3fd7b79d PP	292	default:
3fd7b79d PP	293	counter->count.other++;
14b7ef9e	294	}
3fd7b79d	295
b09a5592	296	bt_message_put_ref(msg);
14b7ef9e	297	}
834e9996 PP	298
	299	ret = BT_SELF_COMPONENT_STATUS_OK;
	300	break;
14b7ef9e	301	}
b09a5592	302	case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
834e9996 PP	303	ret = BT_SELF_COMPONENT_STATUS_AGAIN;
834e9996 PP	304	goto end;
b09a5592	305	case BT_MESSAGE_ITERATOR_STATUS_END:
834e9996 PP	306	try_print_last(counter);
	307	ret = BT_SELF_COMPONENT_STATUS_END;
	308	goto end;
b09a5592	309	case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
834e9996 PP	310	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
834e9996 PP	311	goto end;
14b7ef9e PP	312	default:
	313	break;
	314	}
	315
b09a5592	316	try_print_count(counter, msg_count);
14b7ef9e PP	317
14b7ef9e PP	318	end:
14b7ef9e PP	319	return ret;
14b7ef9e PP	320	}