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| version 1.4, 2014/04/27 16:29:40 | version 1.4.2.1, 2022/09/15 15:04:44 |
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| Line 1 | Line 1 |
| /************************************************************************* | |
| * (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> | |
| * by Michael Pounov <misho@elwix.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 - 2022 | |
| 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" |
| Line 39 int | Line 84 int |
| mqtt_KeepAlive(int sock, u_short ka, u_char tries) | mqtt_KeepAlive(int sock, u_short ka, u_char tries) |
| { | { |
| int ret = 0; | int ret = 0; |
| mqtt_msg_t msg = { NULL, 0 }; | mqtt_msg_t *msg = NULL; |
| if (sock < 3) | if (sock < 3) |
| return -1; /* error */ | return -1; /* error */ |
| if ((ret = mqtt_wait4data(sock, ka, POLLOUT))) | if (mqtt_wait4data(sock, ka, POLLOUT)) |
| return ret; | return ret; |
| /* ping request */ | /* ping request */ |
| if ((ret = mqtt_msgPINGREQ(&msg)) == -1) | if (!(msg = mqtt_msgPINGREQ())) |
| return -1; /* error */ | return -1; /* error */ |
| if ((ret = send(sock, msg.msg_base, ret, MSG_NOSIGNAL)) == -1) { | if ((ret = send(sock, msg->msg_base, msg->msg_len, MSG_NOSIGNAL)) == -1) { |
| LOGERR; | LOGERR; |
| goto end; | goto end; |
| } | } else |
| mqtt_msgFree(&msg, 0); | |
| while (tries--) { | while (tries--) { |
| if ((ret = mqtt_wait4data(sock, ka, POLLIN | POLLPRI))) { | if ((ret = mqtt_wait4data(sock, ka, POLLIN | POLLPRI))) { |
| Line 62 mqtt_KeepAlive(int sock, u_short ka, u_char tries) | Line 108 mqtt_KeepAlive(int sock, u_short ka, u_char tries) |
| continue; | continue; |
| } | } |
| /* receive & decode packet */ | /* receive & decode packet */ |
| if ((ret = recv(sock, msg.msg_base, msg.msg_len, 0)) == -1) { | msg = mqtt_msgAlloc(BUFSIZ); |
| if ((ret = recv(sock, msg->msg_base, msg->msg_len, 0)) == -1) { | |
| LOGERR; | LOGERR; |
| break; | break; |
| } | } |
| Line 73 mqtt_KeepAlive(int sock, u_short ka, u_char tries) | Line 120 mqtt_KeepAlive(int sock, u_short ka, u_char tries) |
| ret = 2; /* Session is broken ... must be disconnect! */ | ret = 2; /* Session is broken ... must be disconnect! */ |
| } | } |
| end: | end: |
| free(msg.msg_base); | mqtt_msgFree(&msg, 0); |
| return ret; | return ret; |
| } | } |
| #if 0 | |
| /* | /* |
| * mqtt_WillMessage() - Publish WILL message | * mqtt_WillMessage() - Publish WILL message |
| * | * |
| Line 127 mqtt_WillMessage(int sock, u_short ka, const char *top | Line 175 mqtt_WillMessage(int sock, u_short ka, const char *top |
| free(msg.msg_base); | free(msg.msg_base); |
| return ret; | return ret; |
| } | } |
| #endif |