mqtt/src/mqttd_calls.c - diff

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Diff for /mqtt/src/mqttd_calls.c between versions 1.3 and 1.4.4.1

version 1.3, 2012/07/03 09:02:50	version 1.4.4.1, 2013/01/18 10:17:22
Line 1	Line 1
	/*************************************************************************
	* (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
	* by Michael Pounov <misho@openbsd-bg.org>
	*
	* $Author$
	* $Id$
	*
	**************************************************************************
	The ELWIX and AITNET software is distributed under the following
	terms:

	All of the documentation and software included in the ELWIX and AITNET
	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

	Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
	by Michael Pounov <misho@elwix.org>. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:
	1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.
	3. All advertising materials mentioning features or use of this software
	must display the following acknowledgement:
	This product includes software developed by Michael Pounov <misho@elwix.org>
	ELWIX - Embedded LightWeight unIX and its contributors.
	4. Neither the name of AITNET nor the names of its contributors
	may be used to endorse or promote products derived from this software
	without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	SUCH DAMAGE.
	*/
#include "global.h"	#include "global.h"
#include "mqttd.h"	#include "mqttd.h"
#include "utils.h"	#include "utils.h"
Line 10 mkPkt(void * __restrict data, int dlen)	Line 55 mkPkt(void * __restrict data, int dlen)
{	{
ait_val_t *p = NULL;	ait_val_t *p = NULL;

if (!(p = io_allocVar())) {	if (!(p = ait_allocVar())) {
ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError());	EVERBOSE(7, "Error:: in send packet prepare #%d - %s",
	elwix_GetErrno(), elwix_GetError());
return NULL;	return NULL;
}	}

Line 27 freePkt(ait_val_t ** __restrict p)	Line 73 freePkt(ait_val_t ** __restrict p)
if (!p)	if (!p)
return;	return;

io_freeVar(p);	ait_freeVar(p);
}	}

static void *	static void *
Line 38 sendPacket(sched_task_t *task)	Line 84 sendPacket(sched_task_t *task)
u_char *pos;	u_char *pos;

if (!p \|\| AIT_ISEMPTY(p)) {	if (!p \|\| AIT_ISEMPTY(p)) {
ioDEBUG(9, "Error:: invalid packet or found empty content ...");	EVERBOSE(9, "Error:: invalid packet or found empty content ...");
return NULL;	return NULL;
}	}

ioDEBUG(7, "Send packet length %d for socket %d\n", AIT_LEN(p), (u_int) TASK_FD(task));	EVERBOSE(7, "Send packet length %d for socket %d\n", AIT_LEN(p), (u_int) TASK_FD(task));

for (slen = AIT_LEN(p), pos = AIT_GET_BUF(p); slen > 0; slen -= n, pos += n) {	for (slen = AIT_LEN(p), pos = AIT_GET_BUF(p); slen > 0; slen -= n, pos += n) {
n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL);	n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL);
if (n == -1) {	if (n == -1) {
ioSYSERR(0);	ESYSERR(0);
break;	break;
}	}
}	}
Line 76 search4send(struct tagSession * __restrict sess, const	Line 122 search4send(struct tagSession * __restrict sess, const
if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) {	if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) {
regerror(ret, &re, szStr, sizeof szStr);	regerror(ret, &re, szStr, sizeof szStr);
regfree(&re);	regfree(&re);
ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*)	EVERBOSE(3, "Error:: regcomp(%s) %s\n", (char*)
st->st_subscr.sub_topic.msg_base, szStr);	st->st_subscr.sub_topic.msg_base, szStr);
}	}
if (!regexec(&re, topic, 1, &match, 0)) {	if (!regexec(&re, topic, 1, &match, 0)) {
Line 102 sendRetain(sched_task_t *task)	Line 148 sendRetain(sched_task_t *task)
struct tagSession *sess;	struct tagSession *sess;
int siz;	int siz;

ioTRACE(2);	ETRACE(2);

assert(task);	assert(task);

Line 110 sendRetain(sched_task_t *task)	Line 156 sendRetain(sched_task_t *task)
assert(sess);	assert(sess);

if (!sess->sess_buf) {	if (!sess->sess_buf) {
ioDEBUG(9, "WARNING! No allocated buffer!?!\n");	EVERBOSE(9, "WARNING! No allocated buffer!?!\n");
return NULL;	return NULL;
}	}

Line 122 sendRetain(sched_task_t *task)	Line 168 sendRetain(sched_task_t *task)
siz = s->sub_value.msg_len;	siz = s->sub_value.msg_len;
memcpy(sess->sess_buf->msg_base, s->sub_value.msg_base,	memcpy(sess->sess_buf->msg_base, s->sub_value.msg_base,
MIN(sess->sess_buf->msg_len, s->sub_value.msg_len));	MIN(sess->sess_buf->msg_len, s->sub_value.msg_len));
ioDEBUG(7, "Sending retain message %d bytes, QoS %hhd topic '%s' data length %d\n",	EVERBOSE(7, "Sending retain message %d bytes, QoS %hhd topic '%s' data length %d\n",
siz, s->sub_ret, (char*) s->sub_topic.msg_base, s->sub_value.msg_len);	siz, s->sub_ret, (char*) s->sub_topic.msg_base, s->sub_value.msg_len);
if (siz > 0)	if (siz > 0)
search4send(sess, s->sub_topic.msg_base, siz, s->sub_ret);	search4send(sess, s->sub_topic.msg_base, siz, s->sub_ret);
Line 137 pubWill(struct tagSession * __restrict sess)	Line 183 pubWill(struct tagSession * __restrict sess)
{	{
int datlen;	int datlen;

ioTRACE(2);	ETRACE(2);

/* prepare will packet */	/* prepare will packet */
datlen = mqtt_msgPUBLISH(sess->sess_buf, sess->sess_will.topic, 0xDEAD, 0, 1, 0,	datlen = mqtt_msgPUBLISH(sess->sess_buf, sess->sess_will.topic, 0xDEAD, 0, 1, 0,
Line 200 cmdPUBLISH(void srv, int len, void arg)	Line 246 cmdPUBLISH(void srv, int len, void arg)
u_short mid = 0;	u_short mid = 0;
ait_val_t *p = NULL;	ait_val_t *p = NULL;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec PUBLISH session");	EVERBOSE(5, "Exec PUBLISH session");
siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, NULL);	siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, NULL);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in readPUBLISH #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in readPUBLISH #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}

Line 219 cmdPUBLISH(void srv, int len, void arg)	Line 265 cmdPUBLISH(void srv, int len, void arg)
return 0;	return 0;
siz = mqtt_msgPUBACK(sess->sess_buf, mid);	siz = mqtt_msgPUBACK(sess->sess_buf, mid);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgPUBACK #%d - %s",	EVERBOSE(5, "Error:: in msgPUBACK #%d - %s",
mqtt_GetErrno(), mqtt_GetError());	mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}
Line 229 cmdPUBLISH(void srv, int len, void arg)	Line 275 cmdPUBLISH(void srv, int len, void arg)
return 0;	return 0;
siz = mqtt_msgPUBREC(sess->sess_buf, mid);	siz = mqtt_msgPUBREC(sess->sess_buf, mid);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgPUBREC #%d - %s",	EVERBOSE(5, "Error:: in msgPUBREC #%d - %s",
mqtt_GetErrno(), mqtt_GetError());	mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}
Line 254 cmdPUBREL(void srv, int len, void arg)	Line 300 cmdPUBREL(void srv, int len, void arg)
u_short mid = 0;	u_short mid = 0;
ait_val_t *p = NULL;	ait_val_t *p = NULL;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec PUBREL session");	EVERBOSE(5, "Exec PUBREL session");
mid = mqtt_readPUBREL(sess->sess_buf);	mid = mqtt_readPUBREL(sess->sess_buf);
if (mid == (u_short) -1) {	if (mid == (u_short) -1) {
ioDEBUG(5, "Error:: in readPUBREL #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in readPUBREL #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}

Line 272 cmdPUBREL(void srv, int len, void arg)	Line 318 cmdPUBREL(void srv, int len, void arg)

siz = mqtt_msgPUBCOMP(sess->sess_buf, mid);	siz = mqtt_msgPUBCOMP(sess->sess_buf, mid);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}

Line 295 cmdSUBSCRIBE(void srv, int len, void arg)	Line 341 cmdSUBSCRIBE(void srv, int len, void arg)
void *ptr;	void *ptr;
ait_val_t *p = NULL;	ait_val_t *p = NULL;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec SUBSCRIBE session");	EVERBOSE(5, "Exec SUBSCRIBE session");
siz = mqtt_readSUBSCRIBE(sess->sess_buf, &mid, &subs);	siz = mqtt_readSUBSCRIBE(sess->sess_buf, &mid, &subs);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in readSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in readSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}

/* add to db */	/* add to db */
for (i = 0; i < siz; i++) {	for (i = 0; i < siz; i++) {
store = io_malloc(sizeof(struct tagStore));	store = e_malloc(sizeof(struct tagStore));
if (!store) {	if (!store) {
ioSYSERR(0);	ELIBERR(elwix);
continue;	continue;
} else {	} else {
store->st_msgid = mid;	store->st_msgid = mid;
Line 324 cmdSUBSCRIBE(void srv, int len, void arg)	Line 370 cmdSUBSCRIBE(void srv, int len, void arg)

/* convert topic to regexp */	/* convert topic to regexp */
if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) {	if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) {
ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError());
} else {	} else {
ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1);	ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1);
if (!ptr) {	if (!ptr) {
ioSYSERR(0);	ESYSERR(0);
continue;	continue;
} else {	} else {
store->st_subscr.sub_topic.msg_base = ptr;	store->st_subscr.sub_topic.msg_base = ptr;
Line 353 cmdSUBSCRIBE(void srv, int len, void arg)	Line 399 cmdSUBSCRIBE(void srv, int len, void arg)
/* send acknowledge */	/* send acknowledge */
siz = mqtt_msgSUBACK(sess->sess_buf, subs, mid);	siz = mqtt_msgSUBACK(sess->sess_buf, subs, mid);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in msgSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());
goto end;	goto end;
} else {	} else {
p = mkPkt(sess->sess_buf->msg_base, siz);	p = mkPkt(sess->sess_buf->msg_base, siz);
Line 377 cmdUNSUBSCRIBE(void srv, int len, void arg)	Line 423 cmdUNSUBSCRIBE(void srv, int len, void arg)
struct tagStore store, tmp;	struct tagStore store, tmp;
ait_val_t *p = NULL;	ait_val_t *p = NULL;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec UNSUBSCRIBE session");	EVERBOSE(5, "Exec UNSUBSCRIBE session");
siz = mqtt_readUNSUBSCRIBE(sess->sess_buf, &mid, &subs);	siz = mqtt_readUNSUBSCRIBE(sess->sess_buf, &mid, &subs);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in readUNSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in readUNSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
}	}

Line 402 cmdUNSUBSCRIBE(void srv, int len, void arg)	Line 448 cmdUNSUBSCRIBE(void srv, int len, void arg)
free(store->st_subscr.sub_topic.msg_base);	free(store->st_subscr.sub_topic.msg_base);
if (store->st_subscr.sub_value.msg_base)	if (store->st_subscr.sub_value.msg_base)
free(store->st_subscr.sub_value.msg_base);	free(store->st_subscr.sub_value.msg_base);
io_free(store);	e_free(store);
}	}
}	}

Line 413 cmdUNSUBSCRIBE(void srv, int len, void arg)	Line 459 cmdUNSUBSCRIBE(void srv, int len, void arg)
/* send acknowledge */	/* send acknowledge */
siz = mqtt_msgUNSUBACK(sess->sess_buf, mid);	siz = mqtt_msgUNSUBACK(sess->sess_buf, mid);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgUNSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in msgUNSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());
goto end;	goto end;
} else {	} else {
p = mkPkt(sess->sess_buf->msg_base, siz);	p = mkPkt(sess->sess_buf->msg_base, siz);
Line 433 cmdPINGREQ(void srv, int len, void arg)	Line 479 cmdPINGREQ(void srv, int len, void arg)
int siz = 0;	int siz = 0;
ait_val_t *p = NULL;	ait_val_t *p = NULL;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec PINGREQ session");	EVERBOSE(5, "Exec PINGREQ session");
siz = mqtt_msgPINGRESP(sess->sess_buf);	siz = mqtt_msgPINGRESP(sess->sess_buf);
if (siz == -1) {	if (siz == -1) {
ioDEBUG(5, "Error:: in msgPINGRESP #%d - %s", mqtt_GetErrno(), mqtt_GetError());	EVERBOSE(5, "Error:: in msgPINGRESP #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;	return 0;
} else {	} else {
p = mkPkt(sess->sess_buf->msg_base, siz);	p = mkPkt(sess->sess_buf->msg_base, siz);
Line 458 cmdCONNECT(void srv, int len, void arg)	Line 504 cmdCONNECT(void srv, int len, void arg)
struct tagStore *store;	struct tagStore *store;
struct tagSession sess = (struct tagSession) arg;	struct tagSession sess = (struct tagSession) arg;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec CONNECT session");	EVERBOSE(5, "Exec CONNECT session");
TAILQ_REMOVE(&Sessions, sess, sess_node);	TAILQ_REMOVE(&Sessions, sess, sess_node);

schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL);	schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL);
Line 485 cmdCONNECT(void srv, int len, void arg)	Line 531 cmdCONNECT(void srv, int len, void arg)
if (store->st_subscr.sub_value.msg_base)	if (store->st_subscr.sub_value.msg_base)
free(store->st_subscr.sub_value.msg_base);	free(store->st_subscr.sub_value.msg_base);

io_free(store);	e_free(store);
}	}

if (sess->sess_will.flag)	if (sess->sess_will.flag)
Line 507 cmdDISCONNECT(void srv, int len, void arg)	Line 553 cmdDISCONNECT(void srv, int len, void arg)
{	{
struct tagSession sess = (struct tagSession) arg;	struct tagSession sess = (struct tagSession) arg;

ioTRACE(2);	ETRACE(2);

if (!sess)	if (!sess)
return -1;	return -1;

ioDEBUG(5, "Exec DISCONNECT session");	EVERBOSE(5, "Exec DISCONNECT session");

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

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Removed from v.1.3
changed lines
	Added in v.1.4.4.1