File:  [ELWIX - Embedded LightWeight unIX -] / mqtt / src / daemon.c
Revision 1.1.2.11: download - view: text, annotated - select for diffs - revision graph
Thu Dec 8 17:02:25 2011 UTC (12 years, 6 months ago) by misho
Branches: mqtt1_0
add new fields in db
patch modules for use it
and patch tests

    1: #include "global.h"
    2: #include "mqttd.h"
    3: 
    4: 
    5: extern char cliCmd[], *cliStr[];
    6: 
    7: 
    8: static void *
    9: startSession(sched_task_t *task)
   10: {
   11: 	u_char basebuf[USHRT_MAX];
   12: 	mqtt_cb_t cbs[MQTT_TYPE_MAX + 1] = { 0 };
   13: //	mqtt_msg_t *buf = { basebuf, sizeof basebuf };
   14: 	mqtthdr_connflgs_t flg;
   15: 	int ret = 0;
   16: 	struct timeval tv = { 0 };
   17: 	u_short ka;
   18: 
   19: 	FTRACE(4);
   20: 
   21: 	/*
   22: 	buf = mqtt_msgAlloc(USHRT_MAX);
   23: 	if (!buf) {
   24: 		syslog(LOG_ERR, "Error:: allocate message buf (%d) #%d - %s", (int) TASK_FD(task), 
   25: 				mqtt_GetErrno(), mqtt_GetError());
   26: 		goto end;
   27: 	}
   28: 	*/
   29: 
   30: 	if (recv(TASK_FD(task), basebuf, sizeof basebuf, 0) == -1) {
   31: 		VERB(3) syslog(LOG_ERR, "Error:: recv(%d) #%d - %s", (int) TASK_FD(task), 
   32: 				errno, strerror(errno));
   33: 		goto end;
   34: 	}
   35: 
   36: 	/*
   37: 	flg = mqtt_readCONNECT(buf, &ka, );
   38: 	if (flg.reserved) {
   39: 		VERB(3) syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", 
   40: 				mqtt_GetErrno(), mqtt_GetError());
   41: 		goto end;
   42: 	} */
   43: 
   44: 		/*
   45: 		for (ret = i = 0; cliCmd[i] && !(ret = (hdr->mqtt_msg.type == cliCmd[i])); i++);
   46: 		if (!ret) {
   47: 			VERB(2) syslog(LOG_ERR, "Error:: wrong command type #%d %s", 
   48: 					hdr->mqtt_msg.type, cliStr[i]);
   49: 			goto end;
   50: 		}
   51: 		*/
   52: 
   53: 	/* check online table for user */
   54: //	ChkSessPUB(&cfg, );
   55: 
   56: //	ret = mqttDispatcher(cbs, buf);
   57: //	mqtt_msgFree(&buf, 42);
   58: 
   59: 	/*
   60: 	switch (ret) {
   61: 		case -1:
   62: 			syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError());
   63: 			break;
   64: 		default:
   65: 			return NULL;
   66: 	}
   67: 	*/
   68: end:	/* close client connection */
   69: 	close(TASK_FD(task));
   70: 	VERB(1) syslog(LOG_DEBUG, "Close client %s with socket=%d", 
   71: 			(char*) TASK_ARG(task), (int) TASK_FD(task));
   72: 	if (TASK_ARG(task))
   73: 		free(TASK_ARG(task));
   74: 	return NULL;
   75: }
   76: 
   77: /* ----------------------------------------------------------------------- */
   78: 
   79: static void *
   80: thrSched(void *arg __unused)
   81: {
   82: 	FTRACE(1);
   83: 
   84: 	schedRun(root, (intptr_t*) &Kill);
   85: 	pthread_exit(NULL);
   86: }
   87: 
   88: int
   89: Run(int sock)
   90: {
   91: 	io_sockaddr_t sa;
   92: 	socklen_t sslen = sizeof sa.ss;
   93: 	int cli;
   94: 	char *str = NULL, szAddr[STRSIZ] = { 0 };
   95: 	pthread_t tid;
   96: 
   97: 	FTRACE(1);
   98: 
   99: 	if (pthread_create(&tid, NULL, thrSched, NULL)) {
  100: 		syslog(LOG_ERR, "Error:: thread scheduler #%d - %s", errno, strerror(errno));
  101: 		return -1;
  102: 	} else
  103: 		pthread_detach(tid);
  104: 	VERB(2) syslog(LOG_DEBUG, "Run scheduler management thread");
  105: 
  106: 	if (listen(sock, SOMAXCONN) == -1) {
  107: 		syslog(LOG_ERR, "Error:: listen(%d) #%d - %s\n", sock, errno, strerror(errno));
  108: 		pthread_cancel(tid);
  109: 		return -1;
  110: 	}
  111: 
  112: 	while (!Kill) {
  113: 		if ((cli = accept(sock, &sa.sa, &sslen)) == -1) {
  114: 			syslog(LOG_ERR, "Error:: accept() #%d - %s", errno, strerror(errno));
  115: 			continue;
  116: 		} else
  117: 			VERB(1) {
  118: 				switch (sa.sa.sa_family) {
  119: 					case AF_INET:
  120: 						inet_ntop(AF_INET, &sa.sin.sin_addr, szAddr, sslen);
  121: 						snprintf(szAddr, sizeof szAddr, "%s:%d", 
  122: 								szAddr, ntohs(sa.sin.sin_port));
  123: 						break;
  124: 					case AF_INET6:
  125: 						inet_ntop(AF_INET6, &sa.sin6.sin6_addr, szAddr, sslen);
  126: 						snprintf(szAddr, sizeof szAddr, "%s:%d", 
  127: 								szAddr, ntohs(sa.sin6.sin6_port));
  128: 						break;
  129: 					case AF_LOCAL:
  130: 						strlcpy(szAddr, sa.sun.sun_path, sizeof szAddr);
  131: 						break;
  132: 					default:
  133: 						close(cli);
  134: 						syslog(LOG_ERR, "Error:: unsupported address type %d", 
  135: 								sa.sa.sa_family);
  136: 						continue;
  137: 				}
  138: 				str = strdup(szAddr);
  139: 				syslog(LOG_DEBUG, "Connected client with socket=%d from %s", cli, str);
  140: 			}
  141: 
  142: 		if (!schedRead(root, startSession, str, cli)) {
  143: 			close(cli);
  144: 			VERB(1) syslog(LOG_DEBUG, "Terminated client with socket=%d", cli);
  145: 			if (str)
  146: 				free(str);
  147: 		}
  148: 	}
  149: 
  150: 	return 0;
  151: }

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