int mosquitto_lib_cleanup(void)
{
_mosquitto_net_cleanup();
return MOSQ_ERR_SUCCESS;
}
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;
}