version 1.2.2.30, 2012/06/29 13:46:37
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version 1.3.2.1, 2012/07/03 12:22:56
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/************************************************************************* |
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* (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
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* by Michael Pounov <misho@openbsd-bg.org> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************** |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
#include "global.h" |
#include "global.h" |
#include "mqttd.h" |
#include "mqttd.h" |
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#include "utils.h" |
#include "rtlm.h" |
#include "rtlm.h" |
#include "mqttd_calls.h" |
#include "mqttd_calls.h" |
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Line 41 sendPacket(sched_task_t *task)
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Line 87 sendPacket(sched_task_t *task)
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return NULL; |
return NULL; |
} |
} |
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ioDEBUG(7, "Send packet length %d for socket %d\n", AIT_LEN(p), (u_int) TASK_FD(task)); |
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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) { |
Line 53 sendPacket(sched_task_t *task)
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Line 101 sendPacket(sched_task_t *task)
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return NULL; |
return NULL; |
} |
} |
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/* --------------------------------------------------- */ |
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static int |
static int |
pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen) | search4send(struct tagSession * __restrict sess, const char *topic, int datlen, char qos) |
{ |
{ |
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regex_t re; |
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regmatch_t match; |
ait_val_t *p = NULL; |
ait_val_t *p = NULL; |
struct tagSession *s = NULL; |
struct tagSession *s = NULL; |
struct tagStore *st_, *st = NULL; |
struct tagStore *st_, *st = NULL; |
regex_t re; |
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regmatch_t match; |
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int ret; |
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char szStr[STRSIZ]; |
char szStr[STRSIZ]; |
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int ret; |
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assert(sess); |
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TAILQ_FOREACH(s, &Sessions, sess_node) { |
TAILQ_FOREACH(s, &Sessions, sess_node) { |
SLIST_FOREACH_SAFE(st, &s->sess_subscr, st_node, st_) { |
SLIST_FOREACH_SAFE(st, &s->sess_subscr, st_node, st_) { |
if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { | /* check for QoS */ |
regerror(ret, &re, szStr, sizeof szStr); | if (st->st_subscr.sub_ret >= qos) { |
| if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { |
| regerror(ret, &re, szStr, sizeof szStr); |
| regfree(&re); |
| ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) |
| st->st_subscr.sub_topic.msg_base, szStr); |
| } |
| if (!regexec(&re, topic, 1, &match, 0)) { |
| /* MATCH */ |
| p = mkPkt(sess->sess_buf->msg_base, datlen); |
| schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); |
| } |
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regfree(&re); |
regfree(&re); |
ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) |
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st->st_subscr.sub_topic.msg_base, szStr); |
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} |
} |
if (!regexec(&re, psTopic, 1, &match, 0)) { |
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/* MATCH */ |
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p = mkPkt(sess->sess_buf->msg_base, datlen); |
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schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); |
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} |
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regfree(&re); |
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} |
} |
} |
} |
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return 0; |
return 0; |
} |
} |
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/* --------------------------------------------------- */ |
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void * |
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sendRetain(sched_task_t *task) |
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{ |
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mqtt_subscr_t *subs, *s; |
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struct tagSession *sess; |
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int siz; |
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ioTRACE(2); |
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assert(task); |
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sess = TASK_ARG(task); |
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assert(sess); |
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if (!sess->sess_buf) { |
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ioDEBUG(9, "WARNING! No allocated buffer!?!\n"); |
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return NULL; |
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} |
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subs = call.ReadPUB_topic(&cfg, pub, "%", "%", 1); |
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if (!subs) |
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return NULL; |
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for (s = subs; s && s->sub_topic.msg_base; s++) { |
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siz = s->sub_value.msg_len; |
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memcpy(sess->sess_buf->msg_base, s->sub_value.msg_base, |
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MIN(sess->sess_buf->msg_len, s->sub_value.msg_len)); |
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ioDEBUG(7, "Sending retain message %d bytes, QoS %hhd topic '%s' data length %d\n", |
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siz, s->sub_ret, (char*) s->sub_topic.msg_base, s->sub_value.msg_len); |
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if (siz > 0) |
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search4send(sess, s->sub_topic.msg_base, siz, s->sub_ret); |
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} |
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mqtt_subFree(&subs); |
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return NULL; |
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} |
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int |
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pubWill(struct tagSession * __restrict sess) |
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{ |
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int datlen; |
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ioTRACE(2); |
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/* prepare will packet */ |
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datlen = mqtt_msgPUBLISH(sess->sess_buf, sess->sess_will.topic, 0xDEAD, 0, 1, 0, |
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sess->sess_will.msg, sess->sess_will.msg ? strlen(sess->sess_will.msg) : 0); |
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if (datlen == -1) |
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return -1; /* error */ |
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return search4send(sess, sess->sess_will.topic, datlen, MQTT_QOS_ACK); |
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} |
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static int |
static int |
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pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen) |
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{ |
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return search4send(sess, psTopic, datlen, MQTT_QOS_ONCE); |
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} |
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static int |
pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
{ |
{ |
ait_val_t *p = NULL; | struct mqtthdr *hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
struct tagSession *s = NULL; | |
struct tagStore *st_, *st = NULL; | |
regex_t re; | |
regmatch_t match; | |
int ret; | |
char szStr[STRSIZ]; | |
struct mqtthdr *hdr; | |
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p = mkPkt(sess->sess_buf->msg_base, datlen); |
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hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
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/* write topic to database */ |
/* write topic to database */ |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
sess->sess_addr, hdr->mqtt_msg.retain); |
sess->sess_addr, hdr->mqtt_msg.retain); |
call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, AIT_GET_BUF(p), AIT_LEN(p), | call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, |
sess->sess_user, sess->sess_addr, hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); | sess->sess_buf->msg_base, datlen, sess->sess_user, sess->sess_addr, |
| hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); |
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TAILQ_FOREACH(s, &Sessions, sess_node) { | search4send(sess, psTopic, datlen, MQTT_QOS_ACK); |
SLIST_FOREACH_SAFE(st, &s->sess_subscr, st_node, st_) { | |
/* check for QoS */ | |
if (st->st_subscr.sub_ret < MQTT_QOS_ACK) | |
continue; | |
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if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { |
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regerror(ret, &re, szStr, sizeof szStr); |
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regfree(&re); |
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ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) |
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st->st_subscr.sub_topic.msg_base, szStr); |
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} |
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if (!regexec(&re, psTopic, 1, &match, 0)) { |
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/* MATCH */ |
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schedWrite(root, sendPacket, mkPkt(AIT_GET_BUF(p), AIT_LEN(p)), |
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s->sess_sock, NULL, 0); |
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} |
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regfree(&re); |
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} |
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} |
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/* delete not retain message */ |
/* delete not retain message */ |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
sess->sess_addr, 0); |
sess->sess_addr, 0); |
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freePkt(&p); |
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return 0; |
return 0; |
} |
} |
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static int |
static int |
pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
{ |
{ |
ait_val_t *p = NULL; | struct mqtthdr *hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
struct tagSession *s = NULL; | |
struct tagStore *st_, *st = NULL; | |
regex_t re; | |
regmatch_t match; | |
int ret; | |
char szStr[STRSIZ]; | |
struct mqtthdr *hdr; | |
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p = mkPkt(sess->sess_buf->msg_base, datlen); |
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hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
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/* write topic to database */ |
/* write topic to database */ |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
sess->sess_addr, hdr->mqtt_msg.retain); |
sess->sess_addr, hdr->mqtt_msg.retain); |
call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, AIT_GET_BUF(p), AIT_LEN(p), | call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, |
sess->sess_user, sess->sess_addr, hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); | sess->sess_buf->msg_base, datlen, sess->sess_user, sess->sess_addr, |
| hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); |
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TAILQ_FOREACH(s, &Sessions, sess_node) { | return search4send(sess, psTopic, datlen, MQTT_QOS_EXACTLY); |
SLIST_FOREACH_SAFE(st, &s->sess_subscr, st_node, st_) { | |
/* check for QoS */ | |
if (st->st_subscr.sub_ret < MQTT_QOS_EXACTLY) | |
continue; | |
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if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { | |
regerror(ret, &re, szStr, sizeof szStr); | |
regfree(&re); | |
ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) | |
st->st_subscr.sub_topic.msg_base, szStr); | |
} | |
if (!regexec(&re, psTopic, 1, &match, 0)) { | |
/* MATCH */ | |
schedWrite(root, sendPacket, mkPkt(AIT_GET_BUF(p), AIT_LEN(p)), | |
s->sess_sock, NULL, 0); | |
} | |
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regfree(&re); | |
} | |
} | |
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freePkt(&p); | |
return 0; | |
} |
} |
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Line 305 cmdSUBSCRIBE(void *srv, int len, void *arg)
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Line 353 cmdSUBSCRIBE(void *srv, int len, void *arg)
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} |
} |
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/* add to db */ |
/* add to db */ |
for (i = 0; i < siz; i++, subs[i].sub_ret = MQTT_QOS_DENY) { | for (i = 0; i < siz; i++) { |
/* convert topic to sql search statement */ | store = io_malloc(sizeof(struct tagStore)); |
if (mqtt_sqlTopic(subs[i].sub_topic.msg_base, buf, sizeof buf) == -1) { | if (!store) { |
ioDEBUG(5, "Error:: in db #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | ioSYSERR(0); |
continue; |
continue; |
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} else { |
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store->st_msgid = mid; |
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mqtt_subCopy(&store->st_subscr, &subs[i]); |
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subs[i].sub_ret = MQTT_QOS_DENY; |
} |
} |
if (call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf, | |
sess->sess_user, sess->sess_addr, subs[i].sub_ret) > 0) { | /* add to cache */ |
store = io_malloc(sizeof(struct tagStore)); | SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); |
if (!store) { | |
| /* convert topic to regexp */ |
| 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()); |
| } else { |
| ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); |
| if (!ptr) { |
ioSYSERR(0); |
ioSYSERR(0); |
continue; |
continue; |
} else { |
} else { |
store->st_msgid = mid; | store->st_subscr.sub_topic.msg_base = ptr; |
mqtt_subCopy(&store->st_subscr, &subs[i]); | store->st_subscr.sub_topic.msg_len = strlen(buf) + 1; |
| memcpy(store->st_subscr.sub_topic.msg_base, buf, |
| store->st_subscr.sub_topic.msg_len); |
} |
} |
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/* add to cache */ | /* store to db */ |
SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); | call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf, |
| sess->sess_user, sess->sess_addr, store->st_subscr.sub_ret); |
| /* subscribe pass */ |
| subs[i].sub_ret = MQTT_QOS_PASS; |
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/* convert topic to regexp */ | call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) QoS=%d from %s\n", sess->sess_cid, |
if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) { | store->st_subscr.sub_topic.msg_base, |
ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | store->st_subscr.sub_topic.msg_len, |
| store->st_subscr.sub_ret, sess->sess_addr); |
subs[i].sub_ret = MQTT_QOS_DENY; | |
} else { | |
ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); | |
if (!ptr) | |
ioSYSERR(0); | |
else { | |
store->st_subscr.sub_topic.msg_base = ptr; | |
store->st_subscr.sub_topic.msg_len = strlen(buf) + 1; | |
memcpy(store->st_subscr.sub_topic.msg_base, buf, | |
store->st_subscr.sub_topic.msg_len); | |
} | |
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call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) from %s\n", sess->sess_cid, | |
store->st_subscr.sub_topic.msg_base, | |
store->st_subscr.sub_topic.msg_len, sess->sess_addr); | |
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subs[i].sub_ret = MQTT_QOS_PASS; | |
} | |
} |
} |
} |
} |
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Line 466 cmdCONNECT(void *srv, int len, void *arg)
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Line 511 cmdCONNECT(void *srv, int len, void *arg)
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ioDEBUG(5, "Exec CONNECT session"); |
ioDEBUG(5, "Exec CONNECT session"); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
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schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL); |
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if (sess->sess_clean) { |
if (sess->sess_clean) { |
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, "%"); |
Line 485 cmdCONNECT(void *srv, int len, void *arg)
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Line 532 cmdCONNECT(void *srv, int len, void *arg)
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io_free(store); |
io_free(store); |
} |
} |
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if (sess->sess_will.flag) |
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pubWill(sess); |
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if (sess->sess_will.msg) |
if (sess->sess_will.msg) |
free(sess->sess_will.msg); |
free(sess->sess_will.msg); |