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fixed debug messages

    1: #include "global.h"
    2: #include "mqttd.h"
    3: #include "rtlm.h"
    4: #include "utils.h"
    5: #include "daemon.h"
    6: 
    7: 
    8: io_enableDEBUG;
    9: 
   10: sl_config cfg;
   11: sessions_t Sessions;
   12: sched_root_task_t *root;
   13: sqlite3 *acc, *pub;
   14: pthread_mutex_t mtx_sess;
   15: FILE *logg;
   16: extern char compiled[], compiledby[], compilehost[];
   17: static char szCfgName[MAXPATHLEN];
   18: intptr_t Kill;
   19: 
   20: 
   21: static void
   22: Usage(void)
   23: {
   24: 	printf(	" -= MQTT Broker =- MQTT Service from ELWIX\n"
   25: 		"=== %s@%s === Compiled: %s ===\n\n"
   26: 		"\t-c <config>\tService config\n"
   27: 		"\t-b\t\tBatch mode\n"
   28: 		"\t-v\t\tVerbose (more -vvv, more verbose)\n"
   29: 		"\t-h\t\tHelp! This screen\n\n", 
   30: 		compiledby, compilehost, compiled);
   31: }
   32: 
   33: static void
   34: sigHand(int sig)
   35: {
   36: 	int stat;
   37: 
   38: 	switch (sig) {
   39: 		case SIGHUP:
   40: 			UnloadConfig(&cfg);
   41: 			if (!LoadConfig(szCfgName, &cfg)) {
   42: 				ioDEBUG(1, "Config reload OK!");
   43: 				break;
   44: 			}
   45: 
   46: 			syslog(LOG_ERR, "Error:: can't reload #%d - %s", cfg_GetErrno(), cfg_GetError());
   47: 		case SIGTERM:
   48: 			ioDEBUG(1, "Terminate MQTT service in progress");
   49: 			Kill++;
   50: 			break;
   51: 		case SIGCHLD:
   52: 			while (waitpid(-1, &stat, WNOHANG) > 0);
   53: 			break;
   54: 	}
   55: }
   56: 
   57: 
   58: int
   59: main(int argc, char **argv)
   60: {
   61: 	char ch, batch = 0, szStr[STRSIZ];
   62: 	register int i;
   63: 	int sock = -1, ret = 0;
   64: 	struct passwd *pass;
   65: 	struct sigaction sa;
   66: 
   67: 	TAILQ_INIT(&Sessions);
   68: 
   69: 	strlcpy(szCfgName, DEFAULT_CONFIG, sizeof szCfgName);
   70: 	while ((ch = getopt(argc, argv, "hvbc:")) != -1)
   71: 		switch (ch) {
   72: 			case 'c':
   73: 				strlcpy(szCfgName, optarg, sizeof szCfgName);
   74: 				break;
   75: 			case 'b':
   76: 				batch++;
   77: 				break;
   78: 			case 'v':
   79: 				io_incDebug;
   80: 				break;
   81: 			case 'h':
   82: 			default:
   83: 				Usage();
   84: 				return 1;
   85: 		}
   86: 	argc -= optind;
   87: 	argv += optind;
   88: 
   89: 	if (LoadConfig(szCfgName, &cfg)) {
   90: 		printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError());
   91: 		return 1;
   92: 	}
   93: 	pthread_mutex_init(&mtx_sess, NULL);
   94: 	openlog("mqttd", LOG_PID | LOG_CONS, LOG_DAEMON);
   95: 	for (i = 0; i < 3; i++)
   96: 		if (!mqttLoadRTLM(&cfg, i)) {
   97: 			printf("Error:: Can't load RTL module\n");
   98: 			while (i--)
   99: 				mqttUnloadRTLM(i);
  100: 			UnloadConfig(&cfg);
  101: 			closelog();
  102: 			pthread_mutex_destroy(&mtx_sess);
  103: 			return 2;
  104: 		}
  105: 	acc = call.OpenACC(&cfg);
  106: 	if (!acc) {
  107: 		ret = 3;
  108: 		goto end;
  109: 	}
  110: 	pub = call.OpenPUB(&cfg);
  111: 	if (!pub) {
  112: 		ret = 3;
  113: 		goto end;
  114: 	}
  115: 	logg = call.OpenLOG(&cfg);
  116: 	if (!logg) {
  117: 		ret = 3;
  118: 		goto end;
  119: 	}
  120: 
  121: 	if (mqttMkDir(&cfg)) {
  122: 		printf("Error:: in statedir #%d - %s\n", errno, strerror(errno));
  123: 		ret = 3;
  124: 		goto end;
  125: 	}
  126: 
  127: 	if (!batch)
  128: 		switch (fork()) {
  129: 			case -1:
  130: 				printf("Error:: in fork() #%d - %s\n", errno, strerror(errno));
  131: 				ret = 5;
  132: 				goto end;
  133: 			case 0:
  134: 				setsid();
  135: 
  136: 				ret = open("/dev/null", O_RDWR);
  137: 				if (ret != -1) {
  138: 					dup2(ret, STDIN_FILENO);
  139: 					dup2(ret, STDOUT_FILENO);
  140: 					dup2(ret, STDERR_FILENO);
  141: 					close(ret);
  142: 				}
  143: 				ioDEBUG(2, "Welcome MQTT service into shadow land!");
  144: 				break;
  145: 			default:
  146: 				ioDEBUG(2, "MQTT service go to shadow land ...");
  147: 				sleep(1);
  148: 				ret = 0;
  149: 				goto end;
  150: 		}
  151: 	else
  152: 		ioVERBOSE(1) printf("Start service in batch mode ...\n");
  153: 
  154: 	memset(&sa, 0, sizeof sa);
  155: 	sigemptyset(&sa.sa_mask);
  156: 	sa.sa_handler = sigHand;
  157: 	sigaction(SIGHUP, &sa, NULL);
  158: 	sigaction(SIGTERM, &sa, NULL);
  159: 	sigaction(SIGCHLD, &sa, NULL);
  160: 	ioDEBUG(2, "Service is ready for start engine ...");
  161: 
  162: 	if ((sock = srv_Socket(&cfg)) == -1) {
  163: 		ret = 4;
  164: 		goto end;
  165: 	}
  166: 
  167: 	cfg_LoadAttribute(&cfg, CFG("mqttd"), CFG("user"), CFG(szStr), sizeof szStr, MQTT_USER);
  168: 	pass = getpwnam(szStr);
  169: 	if (pass) {
  170: 		setgid(pass->pw_gid);
  171: 		setuid(pass->pw_uid);
  172: 		ioDEBUG(2, "Try to change group #%d and user #%d", pass->pw_gid, pass->pw_uid);
  173: 	}
  174: 
  175: 	if (!(root = schedBegin())) {
  176: 		printf("Error:: scheduler #%d - %s\n", sched_GetErrno(), sched_GetError());
  177: 		ret = 6;
  178: 		goto end;
  179: 	}
  180: 
  181: 	Run(sock);
  182: 
  183: 	schedEnd(&root);
  184: end:
  185: 	srv_Close(sock);
  186: 	call.CloseLOG(logg);
  187: 	call.ClosePUB(pub);
  188: 	call.CloseACC(acc);
  189: 	for (i = 0; i < 3; i++)
  190: 		mqttUnloadRTLM(i);
  191: 	closelog();
  192: 	UnloadConfig(&cfg);
  193: 	pthread_mutex_destroy(&mtx_sess);
  194: 	return ret;
  195: }