[lttng-tools.git] / tests / utils / testapp / gen-ust-nevents / gen-ust-nevents.c

/*
 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#define _LGPL_SOURCE
#include <arpa/inet.h>
#include <getopt.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "utils.h"
#include "signal-helper.h"

#define TRACEPOINT_DEFINE
#include "tp.h"

static struct option long_options[] =
{
	/* These options set a flag. */
	{"iter", required_argument, 0, 'i'},
	{"wait", required_argument, 0, 'w'},
	{"create-in-main", required_argument, 0, 'm'},
	{"wait-before-first-event", required_argument, 0, 'b'},
	{0, 0, 0, 0}
};

int main(int argc, char **argv)
{
	int i, netint, ret = 0, option_index, option;
	long values[] = { 1, 2, 3 };
	char text[10] = "test";
	double dbl = 2.0;
	float flt = 2222.0;
	unsigned int nr_iter = 100;
	useconds_t nr_usec = 0;
	char *wait_before_first_event_file_path = NULL;
	char *create_in_main_file_path = NULL;

	while ((option = getopt_long(argc, argv, "i:w:b:m:",
			long_options, &option_index)) != -1) {
		switch (option) {
		case 'b':
			wait_before_first_event_file_path = strdup(optarg);
			break;
		case 'm':
			create_in_main_file_path = strdup(optarg);
			break;
		case 'i':
			nr_iter = atoi(optarg);
			break;
		case 'w':
			nr_usec = atoi(optarg);
			break;
		case '?':
			/* getopt_long already printed an error message. */
		default:
			ret = -1;
			goto end;
		}
	}

	if (set_signal_handler()) {
		ret = -1;
		goto end;
	}

	/*
	 * The two following sync points allow for tests to do work after the
	 * app has started BUT before it generates any events.
	 */
	if (create_in_main_file_path) {
		ret = create_file(create_in_main_file_path);
		if (ret != 0) {
			goto end;
		}
	}

	if (wait_before_first_event_file_path) {
		ret = wait_on_file(wait_before_first_event_file_path);
		if (ret != 0) {
			goto end;
		}
	}

	for (i = 0; i < nr_iter; i++) {
		netint = htonl(i);
		tracepoint(tp, tptest1, i, netint, values, text, strlen(text),
			   dbl, flt);
		tracepoint(tp, tptest2, i, netint, values, text, strlen(text),
				dbl, flt);
		tracepoint(tp, tptest3, i, netint, values, text, strlen(text),
				dbl, flt);
		tracepoint(tp, tptest4, i, netint, values, text, strlen(text),
				dbl, flt);
		tracepoint(tp, tptest5, i, netint, values, text, strlen(text),
				dbl, flt);
		if (nr_usec) {
		        if (usleep_safe(nr_usec)) {
				ret = -1;
				goto end;
			}
		}
		if (should_quit) {
			break;
		}
	}

end:
	free(create_in_main_file_path);
	free(wait_before_first_event_file_path);
	exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
}
Commit	Line	Data
ffb08a8c	1	/*
9d16b343	2	* Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
ffb08a8c	3	*
9d16b343	4	* SPDX-License-Identifier: LGPL-2.1-only
ffb08a8c	5	*
ffb08a8c JD	6	*/
ffb08a8c JD	7
70dac0d7	8	#define _LGPL_SOURCE
ffb08a8c	9	#include <arpa/inet.h>
8db430e7	10	#include <getopt.h>
ffb08a8c JD	11	#include <stdarg.h>
	12	#include <stdio.h>
	13	#include <stdlib.h>
	14	#include <string.h>
	15	#include <sys/mman.h>
	16	#include <sys/stat.h>
	17	#include <sys/types.h>
	18	#include <unistd.h>
ae941114	19	#include "utils.h"
95983a02	20	#include "signal-helper.h"
ffb08a8c JD	21
	22	#define TRACEPOINT_DEFINE
	23	#include "tp.h"
	24
8db430e7 FD	25	static struct option long_options[] =
	26	{
	27	/* These options set a flag. */
	28	{"iter", required_argument, 0, 'i'},
	29	{"wait", required_argument, 0, 'w'},
4bb5f0b0 FD	30	{"create-in-main", required_argument, 0, 'm'},
4bb5f0b0 FD	31	{"wait-before-first-event", required_argument, 0, 'b'},
8db430e7 FD	32	{0, 0, 0, 0}
	33	};
	34
ffb08a8c JD	35	int main(int argc, char **argv)
ffb08a8c JD	36	{
8db430e7	37	int i, netint, ret = 0, option_index, option;
ffb08a8c JD	38	long values[] = { 1, 2, 3 };
	39	char text[10] = "test";
	40	double dbl = 2.0;
	41	float flt = 2222.0;
	42	unsigned int nr_iter = 100;
	43	useconds_t nr_usec = 0;
4bb5f0b0 FD	44	char *wait_before_first_event_file_path = NULL;
4bb5f0b0 FD	45	char *create_in_main_file_path = NULL;
ffb08a8c	46
4bb5f0b0	47	while ((option = getopt_long(argc, argv, "i:w:b:m:",
8db430e7 FD	48	long_options, &option_index)) != -1) {
8db430e7 FD	49	switch (option) {
4bb5f0b0 FD	50	case 'b':
	51	wait_before_first_event_file_path = strdup(optarg);
	52	break;
	53	case 'm':
	54	create_in_main_file_path = strdup(optarg);
	55	break;
8db430e7 FD	56	case 'i':
	57	nr_iter = atoi(optarg);
	58	break;
	59	case 'w':
	60	nr_usec = atoi(optarg);
	61	break;
	62	case '?':
	63	/* getopt_long already printed an error message. */
8db430e7 FD	64	default:
	65	ret = -1;
	66	goto end;
	67	}
	68	}
	69
95983a02 JG	70	if (set_signal_handler()) {
	71	ret = -1;
	72	goto end;
	73	}
	74
4bb5f0b0 FD	75	/*
	76	* The two following sync points allow for tests to do work after the
	77	* app has started BUT before it generates any events.
	78	*/
	79	if (create_in_main_file_path) {
	80	ret = create_file(create_in_main_file_path);
	81	if (ret != 0) {
	82	goto end;
	83	}
	84	}
	85
	86	if (wait_before_first_event_file_path) {
	87	ret = wait_on_file(wait_before_first_event_file_path);
	88	if (ret != 0) {
	89	goto end;
	90	}
	91	}
ffb08a8c JD	92
	93	for (i = 0; i < nr_iter; i++) {
	94	netint = htonl(i);
	95	tracepoint(tp, tptest1, i, netint, values, text, strlen(text),
	96	dbl, flt);
	97	tracepoint(tp, tptest2, i, netint, values, text, strlen(text),
	98	dbl, flt);
	99	tracepoint(tp, tptest3, i, netint, values, text, strlen(text),
	100	dbl, flt);
	101	tracepoint(tp, tptest4, i, netint, values, text, strlen(text),
	102	dbl, flt);
	103	tracepoint(tp, tptest5, i, netint, values, text, strlen(text),
	104	dbl, flt);
ae941114 JG	105	if (nr_usec) {
	106	if (usleep_safe(nr_usec)) {
	107	ret = -1;
	108	goto end;
	109	}
	110	}
95983a02 JG	111	if (should_quit) {
	112	break;
	113	}
ffb08a8c JD	114	}
ffb08a8c JD	115
ae941114	116	end:
4bb5f0b0 FD	117	free(create_in_main_file_path);
	118	free(wait_before_first_event_file_path);
	119	exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
ffb08a8c	120	}