--- mqtt/src/daemon.c	2011/12/05 08:15:50	1.1.2.7
+++ mqtt/src/daemon.c	2011/12/14 13:15:35	1.1.2.19
@@ -1,60 +1,185 @@
 #include "global.h"
+#include "rtlm.h"
+#include "mqttd.h"
 
 
-extern char cliCmd[], *cliStr[];
+static inline struct tagSession *
+initSession(int sock, ait_val_t * __restrict v)
+{
+	struct tagSession *sess = NULL;
+	const char *str;
 
+	FTRACE(5);
 
+	if (!v)
+		return NULL;
+
+	sess = malloc(sizeof(struct tagSession));
+	if (!sess) {
+		VERB(3) syslog(LOG_ERR, "Error:: in malloc #%d - %s", errno, strerror(errno));
+		io_freeVar(v);
+		return NULL;
+	} else
+		memset(sess, 0, sizeof(struct tagSession));
+
+	str = (const char*) cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry"));
+	if (!str)
+		sess->sess_retry = DEFAULT_RETRY;
+	else
+		sess->sess_retry = strtol(str, NULL, 0);
+
+	sess->sess_buf = mqtt_msgAlloc(0);
+	if (!sess->sess_buf) {
+		VERB(3) syslog(LOG_ERR, "Error:: in msgAlloc #%d - %s", mqtt_GetErrno(), mqtt_GetError());
+		free(sess);
+		io_freeVar(v);
+		return NULL;
+	}
+
+	sess->sess_sock = sock;
+	strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr);
+	io_freeVar(v);
+	return sess;
+}
+
+static void
+finiSession(struct tagSession *sess)
+{
+	register int i;
+	struct tagStore *store;
+
+	FTRACE(5);
+
+	if (!sess)
+		return;
+
+	for (i = 0; i < MQTT_QOS_RESERVED; i++)
+		while ((store = SLIST_FIRST(&sess->sess_store[i]))) {
+			SLIST_REMOVE_HEAD(&sess->sess_store[i], st_node);
+			free(store);
+		}
+
+	if (sess->sess_will.msg)
+		free(sess->sess_will.msg);
+	if (sess->sess_will.topic)
+		free(sess->sess_will.topic);
+
+	if (sess->sess_sock > STDERR_FILENO) {
+		shutdown(sess->sess_sock, SHUT_RDWR);
+		close(sess->sess_sock);
+	}
+
+	mqtt_msgFree(&sess->sess_buf, 42);
+
+	free(sess);
+}
+
 static void *
+thrSession(struct tagSession *sess)
+{
+	void thrClean(struct tagSession *sess)
+	{
+		pthread_mutex_lock(&mtx_sess);
+		TAILQ_REMOVE(&Sessions, sess, sess_node);
+		pthread_mutex_unlock(&mtx_sess);
+		VERB(1) syslog(LOG_DEBUG, "Close socket=%d", sess->sess_sock);
+		finiSession(sess);
+	}
+
+	pthread_cleanup_push((void(*)(void*)) thrClean, sess);
+
+	FTRACE(2);
+
+	pthread_cleanup_pop(42);
+	pthread_exit(NULL);
+}
+
+static void *
 startSession(sched_task_t *task)
 {
-	mqtt_msg_t *buf;
-	mqtt_cb_t cbs[MQTT_TYPE_MAX + 1] = { 0 };
-	struct mqtthdr *hdr;
-	int ret = 0;
-	register int i;
+	u_char basebuf[USHRT_MAX];
+	mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf };
+	mqtthdr_connflgs_t flg;
+	mqtthdr_connack_t cack;
+	struct tagSession *sess = NULL;
+	int ret;
+	pthread_attr_t attr;
 
 	FTRACE(4);
 
-	buf = mqtt_msgAlloc(USHRT_MAX);
-	if (!buf) {
-		syslog(LOG_ERR, "Error:: allocate message buf (%d) #%d - %s", (int) TASK_FD(task), 
-				mqtt_GetErrno(), mqtt_GetError());
+	sess = initSession(TASK_FD(task), TASK_ARG(task));
+	if (!sess) {
+		io_freeVar(TASK_ARG(task));
+		close(TASK_FD(task));
+		return NULL;
+	}
+
+	/* receive & decode packet */
+	if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) {
+		VERB(3) syslog(LOG_ERR, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
+		finiSession(sess);
+		return NULL;
+	}
+	cack = mqtt_readCONNECT(&buf, &sess->sess_ka, sess->sess_cid, sizeof sess->sess_cid, 
+			sess->sess_user, sizeof sess->sess_user, sess->sess_pass, sizeof sess->sess_pass, 
+			&sess->sess_will.topic, &sess->sess_will.msg);
+	ret = cack.retcode;
+	flg.flags = cack.reserved;
+	if (flg.reserved) {
+		VERB(3) syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError());
 		goto end;
+	} else {
+		sess->sess_clean = flg.clean_sess;
+		sess->sess_will.qos = flg.will_qos;
+		sess->sess_will.retain = flg.will_retain;
+		sess->sess_will.flag = flg.will_flg;
 	}
 
-	if (recv(TASK_FD(task), buf->msg_base, buf->msg_len, 0) == -1) {
-		syslog(LOG_ERR, "Error:: recv(%d) #%d - %s", (int) TASK_FD(task), 
-				errno, strerror(errno));
-		mqtt_msgFree(&buf, 42);
+	/* check online table for user */
+	if (call.LoginACC(&cfg, acc, sess->sess_user, sess->sess_pass) < 1) {
+		VERB(1) syslog(LOG_WARNING, "Login:: DENIED for username %s and password %s", 
+				sess->sess_user, sess->sess_pass);
 		goto end;
+	} else
+		VERB(1) syslog(LOG_WARNING, "Login:: ALLOWED for username %s ...", sess->sess_user);
+
+	ret = mqtt_msgCONNACK(&msg, ret);
+	if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) {
+		VERB(3) syslog(LOG_ERR, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
+		finiSession(sess);
+		return NULL;
 	} else {
-		hdr = (struct mqtthdr*) buf->msg_base;
-		for (ret = i = 0; cliCmd[i] && !(ret = (hdr->mqtt_msg.type == cliCmd[i])); i++);
-		if (!ret) {
-			syslog(LOG_ERR, "Error:: wrong command type #%d %s", 
-					hdr->mqtt_msg.type, cliStr[i]);
-			mqtt_msgFree(&buf, 42);
-			goto end;
-		}
+		VERB(5) ioLOGGER(LOG_DEBUG, "Sended %d bytes", ret);
+		free(msg.msg_base);
+		msg.msg_len = 0;
 	}
 
-	ret = mqttDispatcher(cbs, buf);
+	/* Start session thread OK ... */
+	pthread_attr_init(&attr);
+	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 
-	mqtt_msgFree(&buf, 42);
+	pthread_mutex_lock(&mtx_sess);
+	TAILQ_INSERT_TAIL(&Sessions, sess, sess_node);
+	pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess);
+	pthread_mutex_unlock(&mtx_sess);
 
-	switch (ret) {
-		case -1:
-			syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError());
-			break;
-		default:
-			return NULL;
-	}
+	VERB(1) ioLOGGER(LOG_DEBUG, "ConnID=%s(%s) for %s login OK!", 
+			sess->sess_cid, sess->sess_user, sess->sess_addr);
+
+	pthread_attr_destroy(&attr);
+	return NULL;
 end:	/* close client connection */
-	close(TASK_FD(task));
-	VERB(1) syslog(LOG_DEBUG, "Close client %s with socket=%d", 
-			(char*) TASK_ARG(task), (int) TASK_FD(task));
-	if (TASK_ARG(task))
-		free(TASK_ARG(task));
+	ret = mqtt_msgCONNACK(&msg, ret);
+	if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) {
+		VERB(3) syslog(LOG_ERR, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
+	} else {
+		VERB(5) ioLOGGER(LOG_DEBUG, "Sended %d bytes", ret);
+		free(msg.msg_base);
+		msg.msg_len = 0;
+	}
+
+	VERB(1) ioLOGGER(LOG_DEBUG, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock);
+	finiSession(sess);
 	return NULL;
 }
 
@@ -64,8 +189,13 @@ static void *
 thrSched(void *arg __unused)
 {
 	FTRACE(1);
+	struct tagSession *sess;
 
 	schedRun(root, (intptr_t*) &Kill);
+
+	TAILQ_FOREACH(sess, &Sessions, sess_node)
+		if (sess->sess_tid)
+			pthread_cancel(sess->sess_tid);
 	pthread_exit(NULL);
 }
 
@@ -75,8 +205,8 @@ Run(int sock)
 	io_sockaddr_t sa;
 	socklen_t sslen = sizeof sa.ss;
 	int cli;
-	char *str = NULL, szAddr[STRSIZ] = { 0 };
 	pthread_t tid;
+	ait_val_t *v;
 
 	FTRACE(1);
 
@@ -85,7 +215,7 @@ Run(int sock)
 		return -1;
 	} else
 		pthread_detach(tid);
-	VERB(2) syslog(LOG_DEBUG, "Run scheduler management thread");
+	VERB(2) ioLOGGER(LOG_DEBUG, "Run scheduler management thread");
 
 	if (listen(sock, SOMAXCONN) == -1) {
 		syslog(LOG_ERR, "Error:: listen(%d) #%d - %s\n", sock, errno, strerror(errno));
@@ -97,37 +227,20 @@ Run(int sock)
 		if ((cli = accept(sock, &sa.sa, &sslen)) == -1) {
 			syslog(LOG_ERR, "Error:: accept() #%d - %s", errno, strerror(errno));
 			continue;
+		}
+		v = io_allocVar();
+		if (!v) {
+			ioLIBERR(mqtt);
+			break;
 		} else
-			VERB(1) {
-				switch (sa.sa.sa_family) {
-					case AF_INET:
-						inet_ntop(AF_INET, &sa.sin.sin_addr, szAddr, sslen);
-						snprintf(szAddr, sizeof szAddr, "%s:%d", 
-								szAddr, ntohs(sa.sin.sin_port));
-						break;
-					case AF_INET6:
-						inet_ntop(AF_INET6, &sa.sin6.sin6_addr, szAddr, sslen);
-						snprintf(szAddr, sizeof szAddr, "%s:%d", 
-								szAddr, ntohs(sa.sin6.sin6_port));
-						break;
-					case AF_LOCAL:
-						strlcpy(szAddr, sa.sun.sun_path, sizeof szAddr);
-						break;
-					default:
-						close(cli);
-						syslog(LOG_ERR, "Error:: unsupported address type %d", 
-								sa.sa.sa_family);
-						continue;
-				}
-				str = strdup(szAddr);
-				syslog(LOG_DEBUG, "Connected client with socket=%d from %s", cli, str);
-			}
+			io_n2addr(&sa, v);
+		VERB(1) ioLOGGER(LOG_DEBUG, "Connected client with socket=%d from %s:%d", cli, 
+				AIT_GET_STR(v), io_n2port(&sa));
 
-		if (!schedRead(root, startSession, str, cli)) {
+		if (!schedRead(root, startSession, v, cli)) {
+			io_freeVar(v);
 			close(cli);
-			VERB(1) syslog(LOG_DEBUG, "Terminated client with socket=%d", cli);
-			if (str)
-				free(str);
+			VERB(1) ioLOGGER(LOG_DEBUG, "Terminated client with socket=%d", cli);
 		}
 	}