[babeltrace.git] / 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 <babeltrace2/babeltrace-internal.h>
#include <babeltrace2/common-internal.h>
#include <plugins-common.h>
#include <babeltrace2/assert-internal.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,
		UNUSED_VAR 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 (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 MJ	26	#include <babeltrace2/babeltrace.h>
	27	#include <babeltrace2/babeltrace-internal.h>
	28	#include <babeltrace2/common-internal.h>
14b7ef9e	29	#include <plugins-common.h>
71c5da58	30	#include <babeltrace2/assert-internal.h>
14b7ef9e PP	31	#include <inttypes.h>
	32	#include <stdint.h>
	33
	34	#include "counter.h"
	35
168baad4	36	#define PRINTF_COUNT(_what, _var, args...) \
14b7ef9e PP	37	do { \
14b7ef9e PP	38	if (counter->count._var != 0 \|\| !counter->hide_zero) { \
168baad4	39	printf("%15" PRIu64 " %s message%s\n", \
14b7ef9e	40	counter->count._var, \
168baad4 PP	41	(_what), \
168baad4 PP	42	counter->count._var == 1 ? "" : "s"); \
14b7ef9e PP	43	} \
	44	} while (0)
	45
1043fdea PP	46	static
	47	const char * const in_port_name = "in";
	48
14b7ef9e 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 +
168baad4 PP	55	counter->count.stream_activity_begin +
168baad4 PP	56	counter->count.stream_activity_end +
14b7ef9e PP	57	counter->count.packet_begin +
14b7ef9e PP	58	counter->count.packet_end +
168baad4 PP	59	counter->count.disc_events +
168baad4 PP	60	counter->count.disc_packets +
40bf6fd0	61	counter->count.msg_iter_inactivity +
14b7ef9e PP	62	counter->count.other;
	63	}
	64
	65	static
3fd7b79d	66	void print_count(struct counter *counter)
14b7ef9e	67	{
3fd7b79d PP	68	uint64_t total = get_total_count(counter);
3fd7b79d PP	69
168baad4 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);
14b7ef9e PP	80
14b7ef9e PP	81	if (counter->count.other > 0) {
168baad4	82	PRINTF_COUNT("Other (unknown)", other);
14b7ef9e PP	83	}
14b7ef9e PP	84
b09a5592	85	printf("%s%15" PRIu64 " message%s (TOTAL)%s\n",
14b7ef9e 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
b09a5592	92	void try_print_count(struct counter *counter, uint64_t msg_count)
14b7ef9e	93	{
14b7ef9e PP	94	if (counter->step == 0) {
	95	/* No update */
	96	return;
	97	}
	98
b09a5592	99	counter->at += msg_count;
14b7ef9e	100
3fd7b79d PP	101	if (counter->at >= counter->step) {
	102	counter->at = 0;
	103	print_count(counter);
14b7ef9e 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) {
3fd7b79d	114	print_count(counter);
14b7ef9e PP	115	}
	116	}
	117
	118	void destroy_private_counter_data(struct counter *counter)
	119	{
b09a5592	120	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
14b7ef9e PP	121	g_free(counter);
	122	}
	123
834e9996	124	BT_HIDDEN
8eee8ea2	125	void counter_finalize(bt_self_component_sink *comp)
14b7ef9e PP	126	{
	127	struct counter *counter;
	128
834e9996 PP	129	BT_ASSERT(comp);
834e9996 PP	130	counter = bt_self_component_get_data(
bb61965b	131	bt_self_component_sink_as_self_component(comp));
8b45963b	132	BT_ASSERT(counter);
14b7ef9e	133	try_print_last(counter);
b09a5592	134	bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
14b7ef9e PP	135	g_free(counter);
	136	}
	137
834e9996	138	BT_HIDDEN
ee78f405	139	bt_self_component_status counter_init(
8eee8ea2 PP	140	bt_self_component_sink *component,
8eee8ea2 PP	141	const bt_value *params,
ce141536	142	UNUSED_VAR void *init_method_data)
14b7ef9e	143	{
ee78f405	144	bt_self_component_status ret;
14b7ef9e	145	struct counter *counter = g_new0(struct counter, 1);
8eee8ea2 PP	146	const bt_value *step = NULL;
8eee8ea2 PP	147	const bt_value *hide_zero = NULL;
14b7ef9e PP	148
14b7ef9e PP	149	if (!counter) {
834e9996 PP	150	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
834e9996 PP	151	goto error;
14b7ef9e PP	152	}
14b7ef9e PP	153
834e9996	154	ret = bt_self_component_sink_add_input_port(component,
14b7ef9e	155	"in", NULL, NULL);
834e9996 PP	156	if (ret != BT_SELF_COMPONENT_STATUS_OK) {
834e9996 PP	157	goto error;
14b7ef9e PP	158	}
	159
	160	counter->last_printed_total = -1ULL;
a79f976c	161	counter->step = 10000;
ce141536	162	step = bt_value_map_borrow_entry_value_const(params, "step");
68d9d039 PP	163	if (step) {
	164	if (!bt_value_is_unsigned_integer(step)) {
	165	BT_LOGE("`step` parameter: expecting an unsigned integer value: "
	166	"type=%s", bt_common_value_type_string(
	167	bt_value_get_type(step)));
	168	goto error;
14b7ef9e	169	}
68d9d039 PP	170
68d9d039 PP	171	counter->step = bt_value_unsigned_integer_get(step);
14b7ef9e PP	172	}
14b7ef9e PP	173
ce141536	174	hide_zero = bt_value_map_borrow_entry_value_const(params, "hide-zero");
68d9d039 PP	175	if (hide_zero) {
	176	if (!bt_value_is_bool(hide_zero)) {
	177	BT_LOGE("`hide-zero` parameter: expecting a boolean value: "
	178	"type=%s", bt_common_value_type_string(
	179	bt_value_get_type(hide_zero)));
	180	goto error;
	181	}
14b7ef9e	182
68d9d039	183	counter->hide_zero = (bool) bt_value_bool_get(hide_zero);
14b7ef9e PP	184	}
14b7ef9e PP	185
834e9996	186	bt_self_component_set_data(
bb61965b	187	bt_self_component_sink_as_self_component(component),
834e9996	188	counter);
14b7ef9e PP	189	goto end;
	190
	191	error:
	192	destroy_private_counter_data(counter);
68d9d039	193	ret = BT_SELF_COMPONENT_STATUS_ERROR;
14b7ef9e PP	194
14b7ef9e PP	195	end:
14b7ef9e PP	196	return ret;
	197	}
	198
834e9996	199	BT_HIDDEN
1043fdea PP	200	bt_self_component_status counter_graph_is_configured(
1043fdea PP	201	bt_self_component_sink *comp)
14b7ef9e	202	{
ee78f405	203	bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
14b7ef9e	204	struct counter *counter;
b09a5592	205	bt_self_component_port_input_message_iterator *iterator;
14b7ef9e	206
834e9996	207	counter = bt_self_component_get_data(
bb61965b	208	bt_self_component_sink_as_self_component(comp));
8b45963b	209	BT_ASSERT(counter);
b09a5592	210	iterator = bt_self_component_port_input_message_iterator_create(
1043fdea PP	211	bt_self_component_sink_borrow_input_port_by_name(comp,
1043fdea PP	212	in_port_name));
834e9996 PP	213	if (!iterator) {
834e9996 PP	214	status = BT_SELF_COMPONENT_STATUS_NOMEM;
14b7ef9e PP	215	goto end;
	216	}
	217
b09a5592 PP	218	BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
b09a5592 PP	219	counter->msg_iter, iterator);
14b7ef9e PP	220
14b7ef9e PP	221	end:
634f394c	222	return status;
14b7ef9e PP	223	}
14b7ef9e PP	224
834e9996	225	BT_HIDDEN
ee78f405	226	bt_self_component_status counter_consume(
8eee8ea2	227	bt_self_component_sink *comp)
14b7ef9e	228	{
ee78f405	229	bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK;
14b7ef9e	230	struct counter *counter;
ee78f405	231	bt_message_iterator_status it_ret;
b09a5592 PP	232	uint64_t msg_count;
b09a5592 PP	233	bt_message_array_const msgs;
14b7ef9e	234
834e9996	235	counter = bt_self_component_get_data(
bb61965b	236	bt_self_component_sink_as_self_component(comp));
8b45963b	237	BT_ASSERT(counter);
14b7ef9e	238
b09a5592	239	if (unlikely(!counter->msg_iter)) {
14b7ef9e	240	try_print_last(counter);
834e9996	241	ret = BT_SELF_COMPONENT_STATUS_END;
14b7ef9e PP	242	goto end;
	243	}
	244
b09a5592 PP	245	/* Consume messages */
	246	it_ret = bt_self_component_port_input_message_iterator_next(
	247	counter->msg_iter, &msgs, &msg_count);
14b7ef9e	248	if (it_ret < 0) {
834e9996	249	ret = BT_SELF_COMPONENT_STATUS_ERROR;
14b7ef9e PP	250	goto end;
	251	}
	252
	253	switch (it_ret) {
b09a5592	254	case BT_MESSAGE_ITERATOR_STATUS_OK:
14b7ef9e	255	{
3fd7b79d PP	256	uint64_t i;
3fd7b79d PP	257
b09a5592 PP	258	for (i = 0; i < msg_count; i++) {
b09a5592 PP	259	const bt_message *msg = msgs[i];
3fd7b79d	260
b09a5592 PP	261	BT_ASSERT(msg);
	262	switch (bt_message_get_type(msg)) {
	263	case BT_MESSAGE_TYPE_EVENT:
3fd7b79d PP	264	counter->count.event++;
3fd7b79d PP	265	break;
168baad4 PP	266	case BT_MESSAGE_TYPE_PACKET_BEGINNING:
	267	counter->count.packet_begin++;
	268	break;
	269	case BT_MESSAGE_TYPE_PACKET_END:
	270	counter->count.packet_end++;
	271	break;
40bf6fd0 FD	272	case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
40bf6fd0 FD	273	counter->count.msg_iter_inactivity++;
3fd7b79d	274	break;
b09a5592	275	case BT_MESSAGE_TYPE_STREAM_BEGINNING:
3fd7b79d PP	276	counter->count.stream_begin++;
3fd7b79d PP	277	break;
b09a5592	278	case BT_MESSAGE_TYPE_STREAM_END:
3fd7b79d PP	279	counter->count.stream_end++;
3fd7b79d PP	280	break;
168baad4 PP	281	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
168baad4 PP	282	counter->count.stream_activity_begin++;
3fd7b79d	283	break;
168baad4 PP	284	case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
	285	counter->count.stream_activity_end++;
	286	break;
	287	case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
	288	counter->count.disc_events++;
	289	break;
	290	case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
	291	counter->count.disc_packets++;
3fd7b79d	292	break;
3fd7b79d PP	293	default:
3fd7b79d PP	294	counter->count.other++;
14b7ef9e	295	}
3fd7b79d	296
b09a5592	297	bt_message_put_ref(msg);
14b7ef9e	298	}
834e9996 PP	299
	300	ret = BT_SELF_COMPONENT_STATUS_OK;
	301	break;
14b7ef9e	302	}
b09a5592	303	case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
834e9996 PP	304	ret = BT_SELF_COMPONENT_STATUS_AGAIN;
834e9996 PP	305	goto end;
b09a5592	306	case BT_MESSAGE_ITERATOR_STATUS_END:
834e9996 PP	307	try_print_last(counter);
	308	ret = BT_SELF_COMPONENT_STATUS_END;
	309	goto end;
b09a5592	310	case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
834e9996 PP	311	ret = BT_SELF_COMPONENT_STATUS_NOMEM;
834e9996 PP	312	goto end;
14b7ef9e PP	313	default:
	314	break;
	315	}
	316
b09a5592	317	try_print_count(counter, msg_count);
14b7ef9e PP	318
14b7ef9e PP	319	end:
14b7ef9e PP	320	return ret;
14b7ef9e PP	321	}