mqtt/src/daemon.c - diff

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Diff for /mqtt/src/daemon.c between versions 1.2 and 1.2.2.8

version 1.2, 2012/01/27 15:05:38	version 1.2.2.8, 2012/04/15 23:45:34
Line 27 initSession(int sock, ait_val_t * __restrict v)	Line 27 initSession(int sock, ait_val_t * __restrict v)
} else	} else
memset(sess, 0, sizeof(struct tagSession));	memset(sess, 0, sizeof(struct tagSession));

TAILQ_INIT(&sess->sess_sndqueue);	pthread_mutex_init(&sess->sess_mtx, NULL);

str = (const char*) cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry"));	SLIST_INIT(&sess->sess_txque[MQTT_QOS_ONCE]);
	SLIST_INIT(&sess->sess_txque[MQTT_QOS_ACK]);
	SLIST_INIT(&sess->sess_txque[MQTT_QOS_EXACTLY]);

	str = cfg_getAttribute(&cfg, "mqttd", "retry");
if (!str)	if (!str)
sess->sess_retry = DEFAULT_RETRY;	sess->sess_retry = DEFAULT_RETRY;
else	else
Line 43 initSession(int sock, ait_val_t * __restrict v)	Line 47 initSession(int sock, ait_val_t * __restrict v)
return NULL;	return NULL;
}	}

	/* init server actor */
	sess->sess_srv = mqtt_srv_Init(sock, sess->sess_buf);
	if (!sess->sess_srv) {
	ioDEBUG(3, "Error:: in srv_Init #%d - %s", mqtt_GetErrno(), mqtt_GetError());
	mqtt_msgFree(&sess->sess_buf, 42);
	free(sess);
	io_freeVar(v);
	return NULL;
	} else {
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_CONNECT, cmdCONNECT);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PUBLISH, cmdPUBLISH);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PUBREL, cmdPUBREL);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_SUBSCRIBE, cmdSUBSCRIBE);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_UNSUBSCRIBE, cmdUNSUBSCRIBE);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PINGREQ, cmdPINGREQ);
	mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_DISCONNECT, cmdDISCONNECT);
	}

sess->sess_sock = sock;	sess->sess_sock = sock;
strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr);	strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr);
io_freeVar(v);	io_freeVar(v);
Line 53 static void	Line 75 static void
finiSession(struct tagSession *sess, int preservSock)	finiSession(struct tagSession *sess, int preservSock)
{	{
struct tagStore *store;	struct tagStore *store;
	register int i;

ioTRACE(5);	ioTRACE(5);

Line 62 finiSession(struct tagSession *sess, int preservSock)	Line 85 finiSession(struct tagSession *sess, int preservSock)
if (call.FiniSessPUB)	if (call.FiniSessPUB)
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%");	call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%");

while ((store = TAILQ_FIRST(&sess->sess_sndqueue))) {	SESS_ELEM_LOCK(sess);
TAILQ_REMOVE(&sess->sess_sndqueue, store, st_node);	for (i = 0; i < MQTT_QOS_RESERVED; i++)
	while ((store = SLIST_FIRST(&sess->sess_txque[i]))) {
	SLIST_REMOVE_HEAD(&sess->sess_txque[i], st_node);

if (store->st_subscr.sub_topic._base)	if (store->st_subscr.sub_topic.msg_base)
free(store->st_subscr.sub_topic._base);	free(store->st_subscr.sub_topic.msg_base);
if (store->st_subscr.sub_value._base)	if (store->st_subscr.sub_value.msg_base)
free(store->st_subscr.sub_value._base);	free(store->st_subscr.sub_value.msg_base);

free(store);	free(store);
}	}
	SESS_ELEM_UNLOCK(sess);
	pthread_mutex_destroy(&sess->sess_mtx);

if (sess->sess_will.msg)	if (sess->sess_will.msg)
free(sess->sess_will.msg);	free(sess->sess_will.msg);
Line 81 finiSession(struct tagSession *sess, int preservSock)	Line 108 finiSession(struct tagSession *sess, int preservSock)
if (sess->sess_sock > STDERR_FILENO && !preservSock)	if (sess->sess_sock > STDERR_FILENO && !preservSock)
srv_Close(sess->sess_sock);	srv_Close(sess->sess_sock);

	mqtt_srv_Fini(&sess->sess_srv);
mqtt_msgFree(&sess->sess_buf, 42);	mqtt_msgFree(&sess->sess_buf, 42);

free(sess);	free(sess);
Line 96 stopSession(struct tagSession *sess)	Line 124 stopSession(struct tagSession *sess)

assert(sess);	assert(sess);

pthread_mutex_lock(&mtx_sess);	SESS_LOCK;
TAILQ_REMOVE(&Sessions, sess, sess_node);	TAILQ_REMOVE(&Sessions, sess, sess_node);
pthread_mutex_unlock(&mtx_sess);	SESS_UNLOCK;

ret = mqtt_msgDISCONNECT(&msg);	ret = mqtt_msgDISCONNECT(&msg);
if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1)	if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1)
Line 165 KASession(struct tagSession *sess)	Line 193 KASession(struct tagSession *sess)
static void *	static void *
thrSession(struct tagSession *sess)	thrSession(struct tagSession *sess)
{	{
mqtt_msg_t msg = { NULL, 0 };
int ret, locKill = 42;	int ret, locKill = 42;
struct pollfd pfd;	struct pollfd pfd;
struct mqtthdr *hdr;	struct mqtthdr *hdr;
ait_val_t *v;	ait_val_t *v;
struct tagStore *store;

pthread_cleanup_push((void()(void)) stopSession, sess);	pthread_cleanup_push((void()(void)) stopSession, sess);
ioTRACE(2);	ioTRACE(2);
Line 198 thrSession(struct tagSession *sess)	Line 224 thrSession(struct tagSession *sess)
hdr = (struct mqtthdr*) sess->sess_buf->msg_base;	hdr = (struct mqtthdr*) sess->sess_buf->msg_base;

/* dispatch message type */	/* dispatch message type */
	if (mqtt_srv_Dispatch(sess->sess_srv, sess))
	ioLIBERR(mqtt);
switch (hdr->mqtt_msg.type) {	switch (hdr->mqtt_msg.type) {
case MQTT_TYPE_CONNECT:	case MQTT_TYPE_CONNECT:
ioDEBUG(5, "Exec CONNECT session");	ioDEBUG(5, "Exec CONNECT session");
pthread_mutex_lock(&mtx_sess);
TAILQ_REMOVE(&Sessions, sess, sess_node);
pthread_mutex_unlock(&mtx_sess);

if (call.FiniSessPUB)
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%");

while ((store = TAILQ_FIRST(&sess->sess_sndqueue))) {
TAILQ_REMOVE(&sess->sess_sndqueue, store, st_node);

if (store->st_subscr.sub_topic._base)
free(store->st_subscr.sub_topic._base);
if (store->st_subscr.sub_value._base)
free(store->st_subscr.sub_value._base);

free(store);
}

if (sess->sess_will.msg)
free(sess->sess_will.msg);
if (sess->sess_will.topic)
free(sess->sess_will.topic);

if ((v = io_allocVar())) {	if ((v = io_allocVar())) {
AIT_SET_STR(v, sess->sess_addr);	AIT_SET_STR(v, sess->sess_addr);
if (!schedEvent(root, startSession, v, (u_long) sess->sess_sock, sess, ret))	if (!schedEvent(root, startSession, v, (u_long) sess->sess_sock, sess, ret))
io_freeVar(v);	io_freeVar(v);
} else	} else
ioLIBERR(mqtt);	ioLIBERR(mqtt);

locKill ^= locKill;	locKill ^= locKill;

call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
sess->sess_addr, sess->sess_user);
continue;	continue;
case MQTT_TYPE_DISCONNECT:	case MQTT_TYPE_DISCONNECT:
ioDEBUG(5, "Exec DISCONNECT session");	ioDEBUG(5, "Exec DISCONNECT session");
pthread_mutex_lock(&mtx_sess);
TAILQ_REMOVE(&Sessions, sess, sess_node);
pthread_mutex_unlock(&mtx_sess);

finiSession(sess, 0);	finiSession(sess, 0);
locKill ^= locKill;	locKill ^= locKill;

call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
sess->sess_addr, sess->sess_user);
continue;	continue;
case MQTT_TYPE_PUBLISH:	case MQTT_TYPE_PUBLISH:
ioDEBUG(5, "Exec PUBLISH topic QoS=%d", hdr->mqtt_msg.qos);	ioDEBUG(5, "Exec PUBLISH topic QoS=%d", hdr->mqtt_msg.qos);
if (Publish(sess))	/*
	if (cmdPUBLISH(sess))
locKill ^= locKill;	locKill ^= locKill;
	*/
break;	break;
case MQTT_TYPE_PUBREL:	case MQTT_TYPE_PUBREL:
break;	break;
Line 260 thrSession(struct tagSession *sess)	Line 256 thrSession(struct tagSession *sess)
case MQTT_TYPE_UNSUBSCRIBE:	case MQTT_TYPE_UNSUBSCRIBE:
break;	break;
case MQTT_TYPE_PINGREQ:	case MQTT_TYPE_PINGREQ:
	ioDEBUG(5, "Exec PINGREQ session");
break;	break;
default:	default:
ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED",	ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED",
Line 288 startSession(sched_task_t *task)	Line 285 startSession(sched_task_t *task)
assert(task);	assert(task);

if (!TASK_DATA(task)) {	if (!TASK_DATA(task)) {
	/* flow from accept new clients */
sess = initSession(TASK_FD(task), TASK_ARG(task));	sess = initSession(TASK_FD(task), TASK_ARG(task));
if (!sess) {	if (!sess) {
io_freeVar(TASK_ARG(task));	io_freeVar(TASK_ARG(task));
Line 368 startSession(sched_task_t *task)	Line 366 startSession(sched_task_t *task)
pthread_attr_init(&attr);	pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

pthread_mutex_lock(&mtx_sess);	SESS_LOCK;
TAILQ_INSERT_TAIL(&Sessions, sess, sess_node);	TAILQ_INSERT_TAIL(&Sessions, sess, sess_node);
pthread_create(&sess->sess_tid, &attr, (void()(void*)) thrSession, sess);	pthread_create(&sess->sess_tid, &attr, (void()(void*)) thrSession, sess);
pthread_mutex_unlock(&mtx_sess);	SESS_UNLOCK;

call.LOG(logg, "Session %s started from %s for user %s (timeout=%d) OK!\n", sess->sess_cid,	call.LOG(logg, "Session %s started from %s for user %s (timeout=%d) OK!\n", sess->sess_cid,
sess->sess_addr, sess->sess_user, sess->sess_ka);	sess->sess_addr, sess->sess_user, sess->sess_ka);
Line 399 static void *	Line 397 static void *
thrSched(void *arg __unused)	thrSched(void *arg __unused)
{	{
struct tagSession *sess;	struct tagSession *sess;
struct timespec pl = { 0, 10000000 };	struct timespec pl = { 0, 100000000 };

ioTRACE(1);	ioTRACE(1);

	/* start scheduler loop */
schedPolling(root, &pl, NULL);	schedPolling(root, &pl, NULL);
schedRun(root, &Kill);	schedRun(root, &Kill);

Line 425 Run(int sock)	Line 424 Run(int sock)

ioTRACE(1);	ioTRACE(1);

	/* start alternative thread for scheduler */
if (pthread_create(&tid, NULL, thrSched, NULL)) {	if (pthread_create(&tid, NULL, thrSched, NULL)) {
ioSYSERR(0);	ioSYSERR(0);
return -1;	return -1;
Line 437 Run(int sock)	Line 437 Run(int sock)
return -1;	return -1;
}	}

	/* state machine - accept new connections */
while (!Kill) {	while (!Kill) {
if ((cli = accept(sock, &sa.sa, &sslen)) == -1) {	if ((cli = accept(sock, &sa.sa, &sslen)) == -1) {
if (!Kill)	if (!Kill)
Line 446 Run(int sock)	Line 447 Run(int sock)
}	}
v = io_allocVar();	v = io_allocVar();
if (!v) {	if (!v) {
ioLIBERR(mqtt);	ioLIBERR(io);
break;	break;
} else {	} else {
memset(str, 0, sizeof str);	memset(str, 0, sizeof str);
snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa));	snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa));
	AIT_FREE_VAL(v);
AIT_SET_STR(v, str);	AIT_SET_STR(v, str);
}	}
ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v));	ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v));

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Removed from v.1.2
changed lines
	Added in v.1.2.2.8