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add new fields in db
patch modules for use it
and patch tests

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