version 1.2, 2012/01/27 15:05:38
|
version 1.5, 2017/10/08 22:49:24
|
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 "mqtt.h" |
#include "mqtt.h" |
#include "client.h" |
#include "client.h" |
|
|
|
|
int |
int |
InitClient(void) |
|
{ |
|
int sock; |
|
|
|
sock = socket(args->addr.sa.sa_family, SOCK_STREAM, IPPROTO_TCP); |
|
if (sock == -1) { |
|
printf("Error:: socket() #%d - %s\n", errno, strerror(errno)); |
|
return -1; |
|
} |
|
if (connect(sock, &args->addr.sa, args->addr.sa.sa_len) == -1) { |
|
printf("Error:: connect() #%d - %s\n", errno, strerror(errno)); |
|
return -1; |
|
} |
|
|
|
return sock; |
|
} |
|
|
|
int |
|
ConnectClient(int sock) |
ConnectClient(int sock) |
{ |
{ |
int siz = 0; |
int siz = 0; |
Line 41 ConnectClient(int sock)
|
Line 68 ConnectClient(int sock)
|
printf("Error:: send() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: send() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
} else |
} else |
ioVERBOSE(3) printf("Sended CONNECT %d bytes\n", siz); | EVERBS(3) printf("Sended CONNECT %d bytes\n", siz); |
|
|
pfd.fd = sock; |
pfd.fd = sock; |
pfd.events = POLLIN | POLLPRI; |
pfd.events = POLLIN | POLLPRI; |
Line 50 ConnectClient(int sock)
|
Line 77 ConnectClient(int sock)
|
printf("Error:: poll() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: poll() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
case 0: |
case 0: |
ioVERBOSE(3) printf("Timeout reached (%d) ...\n", args->ka * 1000); | EVERBS(3) printf("Timeout reached (%d) ...\n", args->ka * 1000); |
return -1; |
return -1; |
} |
} |
if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) |
if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) |
return -1; |
return -1; |
|
|
|
memset(args->msg->msg_base, 0, args->msg->msg_len); |
siz = recv(sock, args->msg->msg_base, args->msg->msg_len, 0); |
siz = recv(sock, args->msg->msg_base, args->msg->msg_len, 0); |
if (siz == -1) { |
if (siz == -1) { |
printf("Error:: recv() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: recv() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
} else |
} else |
ioVERBOSE(3) printf("Received %d bytes\n", siz); | EVERBS(3) printf("Received %d bytes\n", siz); |
|
|
return (u_char) mqtt_readCONNACK(args->msg); |
return (u_char) mqtt_readCONNACK(args->msg); |
} |
} |
|
|
int |
|
CloseClient(int sock) |
|
{ |
|
int siz = 0; |
|
|
|
siz = mqtt_msgDISCONNECT(args->msg); |
|
if (siz == -1) { |
|
printf("Error:: msgDISCONNECT #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
|
return -1; |
|
} |
|
|
|
siz = send(sock, args->msg->msg_base, siz, 0); |
|
if (siz == -1) { |
|
printf("Error:: send() #%d - %s\n", errno, strerror(errno)); |
|
return -1; |
|
} else |
|
ioVERBOSE(3) printf("Sended DISCONNECT %d bytes\n", siz); |
|
|
|
shutdown(sock, SHUT_RDWR); |
|
close(sock); |
|
return siz; |
|
} |
|
|
|
int |
|
KAClient(int sock) |
|
{ |
|
int siz = 0; |
|
struct pollfd pfd; |
|
|
|
siz = mqtt_msgPINGREQ(args->msg); |
|
if (siz == -1) { |
|
printf("Error:: msgPINGREQ #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
|
return -1; |
|
} |
|
if (SendTo(sock, siz) == -1) |
|
return -1; |
|
|
|
pfd.fd = sock; |
|
pfd.events = POLLIN | POLLPRI; |
|
switch (poll(&pfd, 1, args->ka * 1000)) { |
|
case -1: |
|
printf("Error:: poll() #%d - %s\n", errno, strerror(errno)); |
|
return -1; |
|
case 0: |
|
ioVERBOSE(3) printf("Timeout reached (%d) ...\n", args->ka * 1000); |
|
return -1; |
|
} |
|
if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) |
|
return -1; |
|
|
|
siz = recv(sock, args->msg->msg_base, args->msg->msg_len, 0); |
|
if (siz == -1) { |
|
printf("Error:: recv() #%d - %s\n", errno, strerror(errno)); |
|
return -1; |
|
} else |
|
ioVERBOSE(3) printf("Received %d bytes\n", siz); |
|
|
|
return mqtt_readPINGRESP(args->msg); |
|
} |
|
|
|
void * |
void * |
OpenFile(void) |
OpenFile(void) |
{ |
{ |
Line 161 CloseFile(void)
|
Line 129 CloseFile(void)
|
} |
} |
} |
} |
|
|
inline int | int |
SendTo(int sock, int siz) |
SendTo(int sock, int siz) |
{ |
{ |
siz = send(sock, args->msg->msg_base, siz, 0); | siz = send(sock, args->msg->msg_base, siz, MSG_NOSIGNAL); |
if (siz == -1) { |
if (siz == -1) { |
printf("Error:: send() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: send() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
} else |
} else |
ioVERBOSE(3) printf("Sended PUBLISH %d bytes\n", siz); | EVERBS(3) printf("Sended %d bytes\n", siz); |
|
|
return siz; |
return siz; |
} |
} |
|
|
inline int | int |
RecvFrom(int sock) |
RecvFrom(int sock) |
{ |
{ |
struct pollfd pfd; |
struct pollfd pfd; |
int siz = 0; |
int siz = 0; |
|
|
|
memset(args->msg->msg_base, 0, args->msg->msg_len); |
|
|
pfd.fd = sock; |
pfd.fd = sock; |
pfd.events = POLLIN | POLLPRI; |
pfd.events = POLLIN | POLLPRI; |
do { |
do { |
Line 188 RecvFrom(int sock)
|
Line 158 RecvFrom(int sock)
|
printf("Error:: poll() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: poll() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
case 0: |
case 0: |
ioVERBOSE(3) printf("Timeout reached (%d) ...\n", args->ka * 1000); | EVERBS(3) printf("Timeout reached (%d) ...\n", args->ka * 1000); |
if (KAClient(sock) == -1) | if (mqtt_KeepAlive(sock, args->ka, 1) == -1) |
return -1; |
return -1; |
continue; |
continue; |
} |
} |
Line 202 RecvFrom(int sock)
|
Line 172 RecvFrom(int sock)
|
printf("Error:: recv() #%d - %s\n", errno, strerror(errno)); |
printf("Error:: recv() #%d - %s\n", errno, strerror(errno)); |
return -1; |
return -1; |
} else |
} else |
ioVERBOSE(3) printf("Received %d bytes\n", siz); | EVERBS(3) printf("Received %d bytes\n", siz); |
|
|
return siz; |
return siz; |
} |
} |