Example #1
0
int mosquitto_lib_cleanup(void)
{
	_mosquitto_net_cleanup();

	return MOSQ_ERR_SUCCESS;
}
Example #2
0
int main(int argc, char *argv[])
{
	int *listensock = NULL;
	int listensock_count = 0;
	int listensock_index = 0;
	struct mqtt3_config config;
	char buf[1024];
	int i, j;
	FILE *pid;
	int listener_max;
	int rc;
	char err[256];
#ifdef WIN32
	SYSTEMTIME st;
#else
	struct timeval tv;
#endif

#if defined(WIN32) || defined(__CYGWIN__)
	if(argc == 2){
		if(!strcmp(argv[1], "run")){
			service_run();
			return 0;
		}else if(!strcmp(argv[1], "install")){
			service_install();
			return 0;
		}else if(!strcmp(argv[1], "uninstall")){
			service_uninstall();
			return 0;
		}
	}
#endif


#ifdef WIN32
	GetSystemTime(&st);
	srand(st.wSecond + st.wMilliseconds);
#else
	gettimeofday(&tv, NULL);
	srand(tv.tv_sec + tv.tv_usec);
#endif

	memset(&int_db, 0, sizeof(struct mosquitto_db));

	_mosquitto_net_init();

	mqtt3_config_init(&config);
	rc = mqtt3_config_parse_args(&config, argc, argv);
	if(rc != MOSQ_ERR_SUCCESS) return rc;
	int_db.config = &config;

	if(config.daemon){
#ifndef WIN32
		switch(fork()){
			case 0:
				break;
			case -1:
				strerror_r(errno, err, 256);
			_mosquitto_log_printf(NULL, MOSQ_LOG_ERR, "Error in fork: %s", err);
				return 1;
			default:
				return MOSQ_ERR_SUCCESS;
		}
#else
		_mosquitto_log_printf(NULL, MOSQ_LOG_WARNING, "Warning: Can't start in daemon mode in Windows.");
#endif
	}

	if(config.daemon && config.pid_file){
		pid = _mosquitto_fopen(config.pid_file, "wt");
		if(pid){
			fprintf(pid, "%d", getpid());
			fclose(pid);
		}else{
			_mosquitto_log_printf(NULL, MOSQ_LOG_ERR, "Error: Unable to write pid file.");
			return 1;
		}
	}
	rc = drop_privileges(&config);
	if(rc != MOSQ_ERR_SUCCESS) return rc;

	rc = mqtt3_db_open(&config, &int_db);
	if(rc != MOSQ_ERR_SUCCESS){
		_mosquitto_log_printf(NULL, MOSQ_LOG_ERR, "Error: Couldn't open database.");
		return rc;
	}

	/* Initialise logging only after initialising the database in case we're
	 * logging to topics */
	mqtt3_log_init(config.log_type, config.log_dest);
	_mosquitto_log_printf(NULL, MOSQ_LOG_INFO, "mosquitto version %s (build date %s) starting", VERSION, TIMESTAMP);
	if(config.config_file){
		_mosquitto_log_printf(NULL, MOSQ_LOG_INFO, "Config loaded from %s.", config.config_file);
	}else{
		_mosquitto_log_printf(NULL, MOSQ_LOG_INFO, "Using default config.");
	}

	rc = mosquitto_security_module_init(&int_db);
	if(rc) return rc;
	rc = mosquitto_security_init(&int_db, false);
	if(rc) return rc;

#ifdef WITH_SYS_TREE
	if(config.sys_interval > 0){
		/* Set static $SYS messages */
		snprintf(buf, 1024, "mosquitto version %s", VERSION);
		mqtt3_db_messages_easy_queue(&int_db, NULL, "$SYS/broker/version", 2, strlen(buf), buf, 1);
		snprintf(buf, 1024, "%s", TIMESTAMP);
		mqtt3_db_messages_easy_queue(&int_db, NULL, "$SYS/broker/timestamp", 2, strlen(buf), buf, 1);
#ifdef CHANGESET
		snprintf(buf, 1024, "%s", CHANGESET);
		mqtt3_db_messages_easy_queue(&int_db, NULL, "$SYS/broker/changeset", 2, strlen(buf), buf, 1);
#endif
	}
#endif

	listener_max = -1;
	listensock_index = 0;
	for(i=0; i<config.listener_count; i++){
		if(mqtt3_socket_listen(&config.listeners[i])){
			_mosquitto_free(int_db.contexts);
			mqtt3_db_close(&int_db);
			if(config.pid_file){
				remove(config.pid_file);
			}
			return 1;
		}
		listensock_count += config.listeners[i].sock_count;
		listensock = _mosquitto_realloc(listensock, sizeof(int)*listensock_count);
		if(!listensock){
			_mosquitto_free(int_db.contexts);
			mqtt3_db_close(&int_db);
			if(config.pid_file){
				remove(config.pid_file);
			}
			return 1;
		}
		for(j=0; j<config.listeners[i].sock_count; j++){
			if(config.listeners[i].socks[j] == INVALID_SOCKET){
				_mosquitto_free(int_db.contexts);
				mqtt3_db_close(&int_db);
				if(config.pid_file){
					remove(config.pid_file);
				}
				return 1;
			}
			listensock[listensock_index] = config.listeners[i].socks[j];
			if(listensock[listensock_index] > listener_max){
				listener_max = listensock[listensock_index];
			}
			listensock_index++;
		}
	}

	signal(SIGINT, handle_sigint);
	signal(SIGTERM, handle_sigint);
#ifdef SIGHUP
	signal(SIGHUP, handle_sighup);
#endif
#ifndef WIN32
	signal(SIGUSR1, handle_sigusr1);
	signal(SIGUSR2, handle_sigusr2);
	signal(SIGPIPE, SIG_IGN);
#endif

#ifdef WITH_BRIDGE
	for(i=0; i<config.bridge_count; i++){
		if(mqtt3_bridge_new(&int_db, &(config.bridges[i]))){
			_mosquitto_log_printf(NULL, MOSQ_LOG_WARNING, "Warning: Unable to connect to bridge %s.", 
					config.bridges[i].name);
		}
	}
#endif

	run = 1;
	rc = mosquitto_main_loop(&int_db, listensock, listensock_count, listener_max);

	_mosquitto_log_printf(NULL, MOSQ_LOG_INFO, "mosquitto version %s terminating", VERSION);
	mqtt3_log_close();

#ifdef WITH_PERSISTENCE
	if(config.persistence){
		mqtt3_db_backup(&int_db, true, true);
	}
#endif

	for(i=0; i<int_db.context_count; i++){
		if(int_db.contexts[i]){
			mqtt3_context_cleanup(&int_db, int_db.contexts[i], true);
		}
	}
	_mosquitto_free(int_db.contexts);
	int_db.contexts = NULL;
	mqtt3_db_close(&int_db);

	if(listensock){
		for(i=0; i<listensock_count; i++){
			if(listensock[i] != INVALID_SOCKET){
#ifndef WIN32
				close(listensock[i]);
#else
				closesocket(listensock[i]);
#endif
			}
		}
		_mosquitto_free(listensock);
	}

	mosquitto_security_module_cleanup(&int_db);

	if(config.pid_file){
		remove(config.pid_file);
	}

	_mosquitto_net_cleanup();
	mqtt3_config_cleanup(int_db.config);

	return rc;
}