version 1.1.2.2, 2011/12/24 17:30:29
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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 "rtlm.h" |
#include "rtlm.h" |
#include "mqtt.h" |
#include "mqtt.h" |
Line 7
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Line 52
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io_enableDEBUG; |
io_enableDEBUG; |
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extern char compiled[], compiledby[], compilehost[]; |
extern char compiled[], compiledby[], compilehost[]; |
intptr_t Kill; | volatile intptr_t Kill; |
| sched_root_task_t *root; |
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struct tagArgs *args; |
struct tagArgs *args; |
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Line 17 Usage(void)
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Line 63 Usage(void)
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{ |
{ |
printf( " -= MQTT Subscriber Client =- Subscriber from ELWIX\n" |
printf( " -= MQTT Subscriber Client =- Subscriber from ELWIX\n" |
"=== %s@%s === Compiled: %s ===\n\n" |
"=== %s@%s === Compiled: %s ===\n\n" |
" Syntax: mqtt_subs [options] <connect_to_broker[:port]> <ConnectID> <topic> [exec_script <value>]\n\n" | " Syntax: mqtt_subs [options] <connect_to_broker[:port]> <ConnectID> [exec_script <value>]\n\n" |
"\t-l <value2file>\t\tSave received values to file\n" |
"\t-l <value2file>\t\tSave received values to file\n" |
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"\t-u\t\t\tUnsubscribe given topic(s)\n" |
"\t-s <topic[|QoS]>\tSubscribe for this topic, if wish add different |QoS to topic\n" |
"\t-s <topic[|QoS]>\tSubscribe for this topic, if wish add different |QoS to topic\n" |
"\t-q <QoS>\t\tQoS level (0-at most 1, 1-at least 1, 2-exactly 1)\n" |
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"\t-d\t\t\tSend duplicate message\n\n" |
"\t-d\t\t\tSend duplicate message\n\n" |
"\t-C\t\t\tNot clear before connect!\n" |
"\t-C\t\t\tNot clear before connect!\n" |
"\t-p <port>\t\tDifferent port for connect (default: 1883)\n" |
"\t-p <port>\t\tDifferent port for connect (default: 1883)\n" |
Line 39 static void
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Line 85 static void
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cleanArgs(struct tagArgs * __restrict args) |
cleanArgs(struct tagArgs * __restrict args) |
{ |
{ |
mqtt_msgFree(&args->msg, 42); |
mqtt_msgFree(&args->msg, 42); |
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mqtt_subFree(&args->subscr); |
AIT_FREE_VAL(&args->Will.Msg); |
AIT_FREE_VAL(&args->Will.Msg); |
AIT_FREE_VAL(&args->Will.Topic); |
AIT_FREE_VAL(&args->Will.Topic); |
AIT_FREE_VAL(&args->User); |
AIT_FREE_VAL(&args->User); |
Line 46 cleanArgs(struct tagArgs * __restrict args)
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Line 93 cleanArgs(struct tagArgs * __restrict args)
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AIT_FREE_VAL(&args->Publish); |
AIT_FREE_VAL(&args->Publish); |
AIT_FREE_VAL(&args->Value); |
AIT_FREE_VAL(&args->Value); |
AIT_FREE_VAL(&args->ConnID); |
AIT_FREE_VAL(&args->ConnID); |
io_freeVars(&args->Subscribes); |
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} |
} |
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static int |
static int |
Subscribe(int sock, FILE *lf) |
Subscribe(int sock, FILE *lf) |
{ |
{ |
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u_char *qoses, *qos; |
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u_short mid; |
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mqtt_subscr_t *sub; |
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#ifdef __NetBSD__ |
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srandom(getpid() ^ time(NULL)); |
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#else |
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srandomdev(); |
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#endif |
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mid = random() % USHRT_MAX; |
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printf(" > Execute SUBSCRIBE request #%d ... ", mid); |
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qoses = mqtt_cli_Subscribe(args->cli, args->subscr, mid, args->Dup, MQTT_QOS_ACK); |
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if (!qoses) { |
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printf("Error:: Subscribe #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
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return -1; |
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} else |
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printf("OK\n"); |
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for (sub = args->subscr, qos = qoses; sub->sub_topic.msg_base; sub++, qos++) |
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printf(" + Topic %s with QoS %d subscribe %s\n", (char*) |
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sub->sub_topic.msg_base, sub->sub_ret, *qos ? "done" : "failed"); |
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free(qoses); |
return 0; |
return 0; |
} |
} |
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static int |
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Unsubscribe(int sock) |
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{ |
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u_short mid; |
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#ifdef __NetBSD__ |
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srandom(getpid() ^ time(NULL)); |
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#else |
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srandomdev(); |
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#endif |
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mid = random() % USHRT_MAX; |
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printf(" > Execute UNSUBSCRIBE request #%d ... ", mid); |
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if (mqtt_cli_Unsubscribe(args->cli, args->subscr, mid, args->Dup, MQTT_QOS_ACK)) { |
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printf("Error:: Unsubscribe #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
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return -1; |
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} else |
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printf("OK\n"); |
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return 0; |
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} |
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static void |
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sigz(int sig) |
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{ |
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int stat; |
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switch (sig) { |
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case SIGINT: |
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case SIGTERM: |
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Kill++; |
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break; |
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case SIGCHLD: |
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while (waitpid(-1, &stat, WNOHANG) > 0); |
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break; |
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} |
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} |
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static void * |
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execProc(sched_task_t *task) |
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{ |
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FILE *f; |
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char szLine[MAXPATHLEN + BUFSIZ] = { 0 }; |
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snprintf(szLine, sizeof szLine, "%s '%s' %hu %u", AIT_GET_STR(&args->Value), |
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(char*) TASK_ARG(task), (u_short) TASK_VAL(task), (u_int) TASK_DATLEN(task)); |
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if (TASK_ARG(task)) |
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io_free(TASK_ARG(task)); |
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f = popen(szLine, "w"); |
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if (!f) { |
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ioSYSERR(0); |
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return NULL; |
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} else |
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fputs(TASK_DATA(task), f); |
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pclose(f); |
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return NULL; |
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} |
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static void * |
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pubRX(sched_task_t *task) |
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{ |
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int siz, rlen; |
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char szTime[STRSIZ] = { 0 }, szTopic[STRSIZ] = { 0 }; |
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void *data = NULL; |
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u_short mid; |
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time_t tim; |
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struct mqtthdr *hdr; |
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rlen = RecvFrom(TASK_FD(task)); |
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if (rlen == -1) |
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goto end; |
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if (!rlen) { |
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Kill++; |
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return NULL; |
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} |
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while (rlen > 0) { |
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hdr = (struct mqtthdr*) args->msg->msg_base; |
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switch (hdr->mqtt_msg.type) { |
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case MQTT_TYPE_PUBLISH: |
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siz = mqtt_readPUBLISH(args->msg, szTopic, sizeof szTopic, &mid, &data); |
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if (siz == -1) |
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goto end; |
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else { |
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siz = mqtt_pktLen(hdr); |
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rlen -= siz; |
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ioVERBOSE(4) printf("Remains %d bytes, packet %d bytes\n", |
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rlen, siz); |
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} |
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/* send to output */ |
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tim = time(NULL); |
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strftime(szTime, sizeof szTime, "%Y-%m-%d %H:%M:%S", localtime(&tim)); |
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fprintf(TASK_ARG(task), "\n[%s] Message ID: %04hu, QoS: %hhu, " |
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"Length: %u, Topic: %s\n", szTime, mid, hdr->mqtt_msg.qos, |
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siz, szTopic); |
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if (data) { |
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fputs((const char*) data, TASK_ARG(task)); |
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free(data); |
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} |
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fprintf(TASK_ARG(task), "\n"); |
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fflush(TASK_ARG(task)); |
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/* if exists exec script */ |
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if (!AIT_ISEMPTY(&args->Value)) |
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schedEvent(root, execProc, io_strdup(szTopic), mid, data, siz); |
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memmove(args->msg->msg_base, args->msg->msg_base + siz, rlen); |
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break; |
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case MQTT_TYPE_PINGREQ: |
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siz = mqtt_msgPINGRESP(args->msg); |
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if (siz == -1) |
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goto end; |
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else |
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rlen -= siz; |
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/* send ping reply */ |
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if (SendTo(TASK_FD(task), siz) == -1) |
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goto end; |
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memmove(args->msg->msg_base, args->msg->msg_base + siz, rlen); |
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break; |
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default: |
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ioVERBOSE(1) printf("Unwanted message type #%d ...\n", hdr->mqtt_msg.type); |
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goto end; |
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} |
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} |
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end: |
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schedReadSelf(task); |
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return NULL; |
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} |
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int |
int |
main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
char ch, batch = 1; | char ch, un = 0, idx = 0, batch = 1; |
ait_val_t *v, val; | ait_val_t val; |
u_short port = atoi(MQTT_PORT); |
u_short port = atoi(MQTT_PORT); |
int sock, ret = 0; | mqtt_subscr_t *sub; |
char szLogName[MAXPATHLEN] = { 0 }; | int ret = 0; |
| char *str, szStr[STRSIZ], szLogName[MAXPATHLEN] = { 0 }; |
FILE *lf; |
FILE *lf; |
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struct sigaction sa; |
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if (!(args = malloc(sizeof(struct tagArgs)))) { | if (!(args = io_malloc(sizeof(struct tagArgs)))) { |
printf("Error:: in arguments #%d - %s\n", errno, strerror(errno)); |
printf("Error:: in arguments #%d - %s\n", errno, strerror(errno)); |
return 1; |
return 1; |
} else |
} else |
memset(args, 0, sizeof(struct tagArgs)); |
memset(args, 0, sizeof(struct tagArgs)); |
if (!(args->Subscribes = io_allocVars(1))) { | if (!(args->subscr = mqtt_subAlloc(idx))) { |
printf("Error:: in subscribes array #%d - %s\n", io_GetErrno(), io_GetError()); | printf("Error:: in subscribes array #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
free(args); | io_free(args); |
return 1; |
return 1; |
} else |
} else |
args->free = cleanArgs; |
args->free = cleanArgs; |
Line 81 main(int argc, char **argv)
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Line 290 main(int argc, char **argv)
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if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) { |
if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) { |
printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
return 1; |
return 1; |
} |
} |
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Line 90 main(int argc, char **argv)
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Line 299 main(int argc, char **argv)
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AIT_SET_STR(&args->Pass, ""); |
AIT_SET_STR(&args->Pass, ""); |
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args->ka = MQTT_KEEPALIVE; |
args->ka = MQTT_KEEPALIVE; |
while ((ch = getopt(argc, argv, "T:U:P:p:s:q:dl:W:M:CDvh")) != -1) | while ((ch = getopt(argc, argv, "T:U:P:p:s:q:dl:W:M:CDvuh")) != -1) |
switch (ch) { |
switch (ch) { |
case 'T': |
case 'T': |
args->ka = (u_short) strtol(optarg, NULL, 0); |
args->ka = (u_short) strtol(optarg, NULL, 0); |
Line 115 main(int argc, char **argv)
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Line 324 main(int argc, char **argv)
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port = (u_short) strtol(optarg, NULL, 0); |
port = (u_short) strtol(optarg, NULL, 0); |
break; |
break; |
case 's': |
case 's': |
v = io_allocVar(); | sub = mqtt_subRealloc(&args->subscr, idx + 1); |
if (!v) { | if (!sub) { |
printf("Error:: not enough memory #%d - %s\n", errno, strerror(errno)); | printf("Error:: #%d - %s\n", mqtt_GetErrno(), mqtt_GetError()); |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
return 1; |
return 1; |
} else |
} else |
AIT_SET_STR(v, optarg); | sub += idx++; |
io_arrayElem(args->Subscribes, io_arraySize(args->Subscribes), v); | |
| strlcpy(szStr, optarg, sizeof szStr); |
| if ((str = strchr(szStr, '|'))) { |
| *str++ = 0; |
| *str -= 0x30; |
| if (*str < 0 || *str > MQTT_QOS_RESERVED) |
| sub->sub_ret = (u_char) args->QoS; |
| else |
| sub->sub_ret = (u_char) *str; |
| } else |
| sub->sub_ret = (u_char) args->QoS; |
| sub->sub_topic.msg_base = strdup(szStr); |
| sub->sub_topic.msg_len = strlen(szStr); |
break; |
break; |
case 'q': |
case 'q': |
args->QoS = (char) strtol(optarg, NULL, 0); |
args->QoS = (char) strtol(optarg, NULL, 0); |
if (args->QoS > MQTT_QOS_EXACTLY) { |
if (args->QoS > MQTT_QOS_EXACTLY) { |
printf("Error:: invalid QoS level %d\n", args->QoS); |
printf("Error:: invalid QoS level %d\n", args->QoS); |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
return 1; |
return 1; |
} |
} |
break; |
break; |
Line 149 main(int argc, char **argv)
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Line 370 main(int argc, char **argv)
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case 'v': |
case 'v': |
io_incDebug; |
io_incDebug; |
break; |
break; |
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case 'u': |
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un = 1; |
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break; |
case 'h': |
case 'h': |
default: |
default: |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
Usage(); |
Usage(); |
return 1; |
return 1; |
} |
} |
argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
if (argc < 3) { | if (argc < 2) { |
printf("Error:: host for connect not found, connection id or topic not supplied!\n\n"); |
printf("Error:: host for connect not found, connection id or topic not supplied!\n\n"); |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
Usage(); |
Usage(); |
return 1; |
return 1; |
} else { |
} else { |
AIT_FREE_VAL(&args->ConnID); |
AIT_FREE_VAL(&args->ConnID); |
AIT_SET_STR(&args->ConnID, argv[1]); |
AIT_SET_STR(&args->ConnID, argv[1]); |
AIT_FREE_VAL(&args->Publish); |
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AIT_SET_STR(&args->Publish, argv[2]); |
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} |
} |
if (argc > 3) { | if (argc > 2) { |
AIT_FREE_VAL(&args->Value); |
AIT_FREE_VAL(&args->Value); |
AIT_SET_STR(&args->Value, argv[3]); | AIT_SET_STR(&args->Value, argv[2]); |
} |
} |
if (!io_gethostbyname(*argv, port, &args->addr)) { |
if (!io_gethostbyname(*argv, port, &args->addr)) { |
printf("Error:: host not valid #%d - %s\n", io_GetErrno(), io_GetError()); |
printf("Error:: host not valid #%d - %s\n", io_GetErrno(), io_GetError()); |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
Usage(); |
Usage(); |
return 1; |
return 1; |
} |
} |
ioVERBOSE(1) printf("Connecting to %s:%d ...\n", io_n2addr(&args->addr, &val), io_n2port(&args->addr)); | printf("Connecting to %s:%d ... ", io_n2addr(&args->addr, &val), io_n2port(&args->addr)); |
| AIT_FREE_VAL(&val); |
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if ((sock = InitClient()) == -1) { | sa.sa_handler = sigz; |
args->free(args); | sigemptyset(&sa.sa_mask); |
free(args); | sigaction(SIGTERM, &sa, NULL); |
return 2; | sigaction(SIGINT, &sa, NULL); |
| sigaction(SIGCHLD, &sa, NULL); |
| |
| if (!batch) |
| switch (fork()) { |
| case -1: /* error */ |
| printf("Error:: in fork() #%d - %s\n", errno, strerror(errno)); |
| ret = 2; |
| goto end; |
| case 0: /* child */ |
| setsid(); |
| |
| ret = open("/dev/null", O_RDWR); |
| if (ret != -1) { |
| dup2(ret, STDIN_FILENO); |
| dup2(ret, STDOUT_FILENO); |
| dup2(ret, STDERR_FILENO); |
| close(ret); |
| } |
| break; |
| default: /* parent */ |
| printf(">> Service started\n"); |
| ret = 0; |
| goto end; |
| } |
| |
| if (!(args->cli = mqtt_cli_Open(&args->addr.sa, args->ka))) { |
| ret = 2; |
| goto end; |
} |
} |
|
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printf("Connected ... "); | switch ((ret = ConnectClient(args->cli->sock))) { |
switch ((ret = ConnectClient(sock))) { | |
case -1: |
case -1: |
printf(">> FAILED!\n"); |
printf(">> FAILED!\n"); |
break; |
break; |
Line 220 main(int argc, char **argv)
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Line 470 main(int argc, char **argv)
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else |
else |
lf = stdout; |
lf = stdout; |
if (lf) { |
if (lf) { |
ret = Subscribe(sock, lf); | ret = Subscribe(args->cli->sock, lf); |
| |
| root = schedBegin(); |
| |
| schedRead(root, pubRX, lf, args->cli->sock, NULL, 0); |
| schedRun(root, &Kill); |
| |
| schedEnd(&root); |
| |
| if (un) |
| Unsubscribe(args->cli->sock); |
fclose(lf); |
fclose(lf); |
shutdown(sock, SHUT_RDWR); |
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} else |
} else |
printf("Error:: in subscribe file #%d - %s\n", errno, strerror(errno)); | printf("Error:: in output file #%d - %s\n", errno, strerror(errno)); |
CloseClient(sock); | } else |
} else { | |
close(sock); | |
ret = 3; |
ret = 3; |
} |
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|
|
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mqtt_cli_Close(&args->cli); |
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end: |
args->free(args); |
args->free(args); |
free(args); | io_free(args); |
return ret; |
return ret; |
} |
} |