Esempio n. 1
0
int main(int argc, char *argv[])
{
	struct pqos_config config;
	const struct pqos_cpuinfo *p_cpu = NULL;
	const struct pqos_cap *p_cap = NULL;
	int ret, exit_val = EXIT_SUCCESS;
	const struct pqos_capability *cap_mon = NULL;

	memset(&config, 0, sizeof(config));
        config.fd_log = STDOUT_FILENO;
        config.verbose = 0;
	/* PQoS Initialization - Check and initialize CAT and CMT capability */
	ret = pqos_init(&config);
	if (ret != PQOS_RETVAL_OK) {
		printf("Error initializing PQoS library!\n");
		exit_val = EXIT_FAILURE;
		goto error_exit;
	}
	/* Get CMT capability and CPU info pointer */
	ret = pqos_cap_get(&p_cap, &p_cpu);
	if (ret != PQOS_RETVAL_OK) {
		printf("Error retrieving PQoS capabilities!\n");
		exit_val = EXIT_FAILURE;
		goto error_exit;
	}
	/* Get input from user */
	monitoring_get_input(argc, argv);
	(void) pqos_cap_get_type(p_cap, PQOS_CAP_TYPE_MON, &cap_mon);
	/* Setup the monitoring resources */
	ret = setup_monitoring(p_cpu, cap_mon);
	if (ret != PQOS_RETVAL_OK) {
		printf("Error Setting up monitoring!\n");
                exit_val = EXIT_FAILURE;
                goto error_exit;
        }
	/* Start Monitoring */
	monitoring_loop();
	/* Stop Monitoring */
	stop_monitoring();
 error_exit:
	ret = pqos_fini();
	if (ret != PQOS_RETVAL_OK)
		printf("Error shutting down PQoS library!\n");
	return exit_val;
}
Esempio n. 2
0
// TODO: convert this to use metautils' common_main
int
main(int argc, char ** argv)
{
	int rc = 1;
	service_info_t *service = NULL;
	setenv("GS_DEBUG_ENABLE", "0", TRUE);

	supervisor_children_init();

	do {
		GError *err = NULL;
		regex_tag = g_regex_new("((stat|tag)\\.([^.=\\s]+))\\s*=\\s*(.*)",
				G_REGEX_CASELESS|G_REGEX_EXTENDED, 0, &err);
		if (!regex_tag) {
			FATAL("Cannot compile tag regex: %s", err->message);
			g_clear_error(&err);
			exit(-1);
		}
		regex_svc = g_regex_new("([^|]*)\\|([^|]*)\\|(.*)",
				G_REGEX_CASELESS, 0, &err);
		if (!regex_svc) {
			FATAL("Cannot compile svc regex: %s", err->message);
			g_clear_error(&err);
			exit(-1);
		}
	} while (0);

	static struct option long_options[] = {
		{"svc-id", 1, 0, 'i'},
		{"monitor", 1, 0, 'm'},
		{"svc-cmd", 1, 0, 'c'},
		{"syslog-id", 1, 0, 's'},
		{"auto-restart-children", 0, 0, 'a'},
		{"monitor-period", 1, 0, 'p'},
		{"no-tcp-check", 0, 0, 'n'},
		{"tag", 1, 0, 't'},
		{0, 0, 0, 0}
	};

	int c;
	int option_index = 0;
	gchar *optarg2 = NULL;
	gchar **kv = NULL;
	while (-1 != (c = getopt_long(argc, argv, "ac:i:m:np:s:t:",
			long_options, &option_index))) {
		switch (c) {
		case 'i':
			g_strlcpy(svc_id, optarg, sizeof(svc_id)-1);
			break;
		case 'm':
			g_strlcpy(svc_mon, optarg, sizeof(svc_mon)-1);
			break;
		case 'c':
			g_strlcpy(svc_cmd, optarg, sizeof(svc_cmd)-1);
			break;
		case 'n':
			kv = g_malloc0(3 * sizeof(gchar*));
			kv[0] = g_strdup("tag.agent_check");
			kv[1] = g_strdup("false");
			custom_tags = g_slist_prepend(custom_tags, kv);
			break;
		case 'a':
			auto_restart_children = TRUE;
			break;
		case 'p':
			monitor_period = strtoll(optarg, NULL, 10);
			break;
		case 's':
			g_strlcpy(syslog_id, optarg, sizeof(syslog_id)-1);
			break;
		case 't':
			if (!g_str_has_prefix(optarg, "tag."))
				optarg2 = g_strdup_printf("tag.%s", optarg);
			else
				optarg2 = g_strdup(optarg);
			kv = g_strsplit(optarg2, "=", 2);
			if (kv && g_strv_length(kv) == 2) {
				custom_tags = g_slist_prepend(custom_tags, kv);
			} else {
				g_printerr("Invalid tag, must contain '=': %s", optarg);
				g_strfreev(kv);
				kv = NULL;
			}
			g_free(optarg2);
			optarg2 = NULL;
			break;
		default:
			g_printerr("Unexpected option: %c\n", c);
			break;
		}
		option_index = 0;
	}

	if (argc <= 1 || strlen(svc_id) == 0 || strlen(svc_cmd) == 0) {
		g_printerr("Usage: %s\n", argv[0]);
		g_printerr("Mandatory options:\n");
		g_printerr("\t-i\t--svc-id <NS|type|ip:port>\n"
				"\t-c\t--svc-cmd </service/cmd/to/launch>\n\n"
				"Other options:\n"
				"\t-m\t--monitor </script/to/monitor>\n"
				"\t-p\t--monitor-period <seconds>\n"
				"\t-s\t--syslog-id <syslog-id>\n"
				"\t-t\t--tag <key=val>\n"
				"\t-a\t--auto-restart-children\n"
				"\t-n\t--no-tcp-check\n");
		return 1;
	}

	if (*syslog_id) {
		logger_init_level(GRID_LOGLVL_INFO);
		logger_syslog_open();
		g_log_set_default_handler(logger_syslog, NULL);
	}

	GError *error = NULL;
	if (!supervisor_children_register(CHILD_KEY, svc_cmd, &error)) {
		g_printerr("Child registration failure:\n\t%s\n", gerror_get_message(error));
		goto label_error;
	}

	if (0 != supervisor_children_set_limit(CHILD_KEY, SUPERV_LIMIT_THREAD_STACK, 8192 * 1024))
		WARN("Limit on thread stack size cannot be set: %s", strerror(errno));
	if (0 != supervisor_children_set_limit(CHILD_KEY, SUPERV_LIMIT_MAX_FILES, 32 * 1024))
		WARN("Limit on max opened files cannot be set: %s", strerror(errno));
	if (0 != supervisor_children_set_limit(CHILD_KEY, SUPERV_LIMIT_CORE_SIZE, -1))
		WARN("Limit on core file size cannot be set: %s", strerror(errno));

	supervisor_children_set_respawn(CHILD_KEY, FALSE);
	supervisor_children_set_working_directory(CHILD_KEY, "/tmp");
	supervisor_preserve_env(CHILD_KEY);

	service = g_malloc0(sizeof(service_info_t));
	if (0 != init_srvinfo(svc_id, service)) {
		g_printerr("Internal error: failed to init srvinfo\n");
		goto label_error;
	}

	freopen("/dev/null", "r", stdin);

	NOTICE("%s restarted, pid=%d", argv[0], getpid());

	signal(SIGQUIT, sighandler_supervisor);
	signal(SIGTERM, sighandler_supervisor);
	signal(SIGINT,  sighandler_supervisor);
	signal(SIGPIPE, sighandler_supervisor);
	signal(SIGUSR1, sighandler_supervisor);
	signal(SIGUSR2, sighandler_supervisor);
	signal(SIGCHLD, sighandler_supervisor);

	monitoring_loop(service);

	rc = 0;

label_error:
	g_slist_free_full(custom_tags, (GDestroyNotify) g_strfreev);
	service_info_clean(service);
	supervisor_children_cleanall();
	return rc;
}