mqtt/src/daemon.c - diff

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Diff for /mqtt/src/daemon.c between versions 1.1.2.22 and 1.1.2.27

version 1.1.2.22, 2011/12/15 12:58:49	version 1.1.2.27, 2011/12/16 13:08:46
Line 1	Line 1
#include "global.h"	#include "global.h"
#include "rtlm.h"	#include "rtlm.h"
	#include "utils.h"
#include "mqttd.h"	#include "mqttd.h"


Line 64 finiSession(struct tagSession *sess)	Line 65 finiSession(struct tagSession *sess)
if (sess->sess_will.topic)	if (sess->sess_will.topic)
free(sess->sess_will.topic);	free(sess->sess_will.topic);

if (sess->sess_sock > STDERR_FILENO) {	if (sess->sess_sock > STDERR_FILENO)
shutdown(sess->sess_sock, SHUT_RDWR);	srv_Close(sess->sess_sock);
close(sess->sess_sock);
}

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

free(sess);	free(sess);
}	}

static void *	static void
thrSession(struct tagSession *sess)	stopSession(struct tagSession *sess)
{	{
void thrClean(struct tagSession *sess)	mqtt_msg_t msg = { NULL, 0 };
{	int ret;
pthread_mutex_lock(&mtx_sess);
TAILQ_REMOVE(&Sessions, sess, sess_node);	ioTRACE(4);
pthread_mutex_unlock(&mtx_sess);
ioDEBUG(1, "Close socket=%d", sess->sess_sock);	assert(sess);
finiSession(sess);
	pthread_mutex_lock(&mtx_sess);
	TAILQ_REMOVE(&Sessions, sess, sess_node);
	pthread_mutex_unlock(&mtx_sess);

	ret = mqtt_msgDISCONNECT(&msg);
	if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1)
	ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
	else {
	ioDEBUG(5, "Sended %d bytes for disconnect", ret);
	free(msg.msg_base);
	memset(&msg, 0, sizeof msg);
}	}

pthread_cleanup_push((void()(void)) thrClean, sess);	ioDEBUG(1, "Close socket=%d", sess->sess_sock);
	finiSession(sess);

	call.LOG(logg, "Session %s stopped from %s for user %s OK!\n", sess->sess_cid,
	sess->sess_addr, sess->sess_user);
	}

	static int
	KASession(struct tagSession *sess)
	{
	u_char basebuf[USHRT_MAX];
	mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf };
	int ret;
	struct pollfd pfd;

	ioTRACE(4);

	assert(sess);

	/* ping request */
	ret = mqtt_msgPINGREQ(&msg);
	if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) {
	ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
	stopSession(sess);
	return -1;
	} else {
	ioDEBUG(5, "Sended %d bytes for ping request", ret);
	free(msg.msg_base);
	memset(&msg, 0, sizeof msg);
	}

	pfd.fd = sess->sess_sock;
	pfd.events = POLLIN \| POLLPRI;
	if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1) {
	ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
	stopSession(sess);
	return -1;
	} else if (!ret) {
	/* problem!!! session is abandoned ... must be disconnect! */
	stopSession(sess);
	return 1;
	}
	/* receive & decode packet */
	if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) {
	ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno));
	stopSession(sess);
	return -1;
	}
	if (mqtt_readPINGRESP(&buf)) {
	/* problem!!! session is broken, not hear ping response ... must be disconnect! */
	stopSession(sess);
	return 2;
	}

	/* Keep Alive is OK! */
	return 0;
	}

	static void *
	thrSession(struct tagSession *sess)
	{
	pthread_cleanup_push((void()(void)) stopSession, sess);

ioTRACE(2);	ioTRACE(2);

pthread_cleanup_pop(42);	pthread_cleanup_pop(42);
Line 101 startSession(sched_task_t *task)	Line 172 startSession(sched_task_t *task)
mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf };	mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf };
mqtthdr_connflgs_t flg;	mqtthdr_connflgs_t flg;
mqtthdr_connack_t cack;	mqtthdr_connack_t cack;
struct tagSession *sess = NULL;	struct tagSession s, sess = NULL;
int ret;	int ret;
pthread_attr_t attr;	pthread_attr_t attr;

ioTRACE(4);	ioTRACE(4);

	assert(task);

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 142 startSession(sched_task_t *task)	Line 215 startSession(sched_task_t *task)
ret = MQTT_RETCODE_DENIED;	ret = MQTT_RETCODE_DENIED;
goto end;	goto end;
} else {	} else {
ioDEBUG(0, "Login:: ALLOWED for username %s ...", sess->sess_user);	ioDEBUG(1, "Login:: ALLOWED for username %s ...", sess->sess_user);
ret = MQTT_RETCODE_ACCEPTED;	ret = MQTT_RETCODE_ACCEPTED;
}	}
	if (call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%") > 0) {
	ioDEBUG(2, "Old session %s should be disconnect!", sess->sess_cid);
	TAILQ_FOREACH(s, &Sessions, sess_node)
	if (!strcmp(s->sess_cid, sess->sess_cid)) {
	/* found stale session & disconnect it! */
	stopSession(s);
	break;
	}
	}
	if (call.InitSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, sess->sess_addr,
	sess->sess_will.flag, sess->sess_will.topic, sess->sess_will.msg,
	sess->sess_will.qos, sess->sess_will.retain) == -1) {
	ioDEBUG(0, "Session %s DENIED for username %s", sess->sess_cid, sess->sess_user);
	ret = MQTT_RETCODE_DENIED;
	goto end;
	} else {
	ioDEBUG(0, "Session %s from %s and username %s is started",
	sess->sess_cid, sess->sess_addr, sess->sess_user);
	ret = MQTT_RETCODE_ACCEPTED;
	}

ret = mqtt_msgCONNACK(&msg, ret);	ret = mqtt_msgCONNACK(&msg, ret);
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 154 startSession(sched_task_t *task)	Line 247 startSession(sched_task_t *task)
} else {	} else {
ioDEBUG(5, "Sended %d bytes", ret);	ioDEBUG(5, "Sended %d bytes", ret);
free(msg.msg_base);	free(msg.msg_base);
msg.msg_len = 0;	memset(&msg, 0, sizeof msg);
}	}

/* Start session thread OK ... */	/* Start session thread OK ... */
Line 166 startSession(sched_task_t *task)	Line 259 startSession(sched_task_t *task)
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);	pthread_mutex_unlock(&mtx_sess);

ioDEBUG(1, "ConnID=%s(%s) for %s login OK!", sess->sess_cid, sess->sess_user, sess->sess_addr);	call.LOG(logg, "Session %s started from %s for user %s OK!\n", sess->sess_cid,
	sess->sess_addr, sess->sess_user);

pthread_attr_destroy(&attr);	pthread_attr_destroy(&attr);
return NULL;	return NULL;
Line 177 end: /* close client connection */	Line 271 end: /* close client connection */
} else {	} else {
ioDEBUG(5, "Sended %d bytes", ret);	ioDEBUG(5, "Sended %d bytes", ret);
free(msg.msg_base);	free(msg.msg_base);
msg.msg_len = 0;	memset(&msg, 0, sizeof msg);
}	}

ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock);	ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock);
Line 210 Run(int sock)	Line 304 Run(int sock)
int cli;	int cli;
pthread_t tid;	pthread_t tid;
ait_val_t *v;	ait_val_t *v;
	char str[STRSIZ];

ioTRACE(1);	ioTRACE(1);

Line 220 Run(int sock)	Line 315 Run(int sock)
pthread_detach(tid);	pthread_detach(tid);
ioDEBUG(2, "Run scheduler management thread");	ioDEBUG(2, "Run scheduler management thread");

if (listen(sock, 5 /SOMAXCONN/) == -1) {	if (listen(sock, SOMAXCONN) == -1) {
ioLOGERR(0);	ioLOGERR(0);
return -1;	return -1;
}	}
Line 236 Run(int sock)	Line 331 Run(int sock)
if (!v) {	if (!v) {
ioLIBERR(mqtt);	ioLIBERR(mqtt);
break;	break;
} else	} else {
io_n2addr(&sa, v);	memset(str, 0, sizeof str);
ioDEBUG(1, "Connected client with socket=%d from %s:%d", cli,	snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa));
AIT_GET_STR(v), io_n2port(&sa));	AIT_SET_STR(v, str);
	}
	ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v));

if (!schedRead(root, startSession, v, cli)) {	if (!schedRead(root, startSession, v, cli)) {
io_freeVar(v);	io_freeVar(v);

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.2.22
changed lines
	Added in v.1.1.2.27