version 1.1.1.1.2.1, 2011/11/23 00:42:17
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version 1.4.4.2, 2013/07/16 14:34:58
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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, 2013 |
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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" |
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#include "mqttd.h" |
#include "rtlm.h" |
#include "rtlm.h" |
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#include "utils.h" |
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#include "daemon.h" |
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sl_config cfg; | cfg_root_t cfg; |
| sessions_t Sessions; |
| sched_root_task_t *root; |
| sqlite3 *acc, *pub; |
| FILE *logg; |
| extern char compiled[], compiledby[], compilehost[]; |
| static char szCfgName[MAXPATHLEN]; |
| volatile intptr_t Kill; |
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static void |
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Usage(void) |
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{ |
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printf( " -= MQTT Broker =- MQTT Service from ELWIX\n" |
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"=== %s@%s === Compiled: %s ===\n\n" |
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"\t-c <config>\tService config\n" |
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"\t-b\t\tBatch mode\n" |
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"\t-v\t\tVerbose (more -vvv, more verbose)\n" |
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"\t-h\t\tHelp! This screen\n\n", |
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compiledby, compilehost, compiled); |
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} |
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static void |
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sigHand(int sig) |
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{ |
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int stat; |
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switch (sig) { |
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case SIGHUP: |
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cfgUnloadConfig(&cfg); |
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if (!cfgLoadConfig(szCfgName, &cfg)) { |
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EVERBOSE(1, "Config reload OK!"); |
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break; |
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} |
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ELIBERR(cfg); |
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case SIGINT: |
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case SIGTERM: |
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EVERBOSE(1, "Terminate MQTT service in progress"); |
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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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case SIGPIPE: |
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break; |
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} |
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} |
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int |
int |
main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
return 0; | char ch, batch = 0; |
| register int i; |
| int sock = -1, ret = 0; |
| struct passwd *pass; |
| struct sigaction sa; |
| ait_val_t v; |
| |
| TAILQ_INIT(&Sessions); |
| |
| strlcpy(szCfgName, DEFAULT_CONFIG, sizeof szCfgName); |
| while ((ch = getopt(argc, argv, "hvbc:")) != -1) |
| switch (ch) { |
| case 'c': |
| strlcpy(szCfgName, optarg, sizeof szCfgName); |
| break; |
| case 'b': |
| batch++; |
| break; |
| case 'v': |
| e_incVerbose; |
| EVERBS(2) elwix_Debug |= ELWIX_DEBUG_TRACE; |
| break; |
| case 'h': |
| default: |
| Usage(); |
| return 1; |
| } |
| argc -= optind; |
| argv += optind; |
| |
| if (cfgLoadConfig(szCfgName, &cfg)) { |
| printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError()); |
| return 1; |
| } |
| openlog("mqttd", LOG_PID | LOG_CONS, LOG_DAEMON); |
| /* load 3 plugins */ |
| for (i = 0; i < 3; i++) |
| if (!mqttLoadRTLM(&cfg, i)) { |
| printf("Error:: Can't load RTL module\n"); |
| mqttUnloadRTLM(acc); |
| mqttUnloadRTLM(pub); |
| mqttUnloadRTLM(logg); |
| cfgUnloadConfig(&cfg); |
| closelog(); |
| return 2; |
| } |
| acc = call.OpenACC(&cfg); |
| if (!acc) { |
| ret = 3; |
| goto end; |
| } |
| pub = call.OpenPUB(&cfg); |
| if (!pub) { |
| ret = 3; |
| goto end; |
| } |
| logg = call.OpenLOG(&cfg); |
| if (!logg) { |
| ret = 3; |
| goto end; |
| } |
| |
| |
| if (mqttMkDir(&cfg)) { |
| printf("Error:: in statedir #%d - %s\n", errno, strerror(errno)); |
| ret = 3; |
| goto end; |
| } |
| |
| if (!batch) |
| switch (fork()) { |
| case -1: |
| printf("Error:: in fork() #%d - %s\n", errno, strerror(errno)); |
| ret = 5; |
| goto end; |
| case 0: |
| setsid(); |
| |
| ret = open("/dev/null", O_RDWR); |
| if (ret != -1) { |
| dup2(ret, STDIN_FILENO); |
| dup2(ret, STDOUT_FILENO); |
| dup2(ret, STDERR_FILENO); |
| close(ret); |
| } |
| EVERBOSE(2, "Welcome MQTT service into shadow land!"); |
| break; |
| default: |
| EVERBOSE(2, "MQTT service go to shadow land ..."); |
| sleep(1); |
| ret = 0; |
| goto end; |
| } |
| else |
| EVERBOSE(1, "Start service in batch mode ..."); |
| |
| memset(&sa, 0, sizeof sa); |
| sigemptyset(&sa.sa_mask); |
| sa.sa_handler = sigHand; |
| sigaction(SIGHUP, &sa, NULL); |
| sigaction(SIGINT, &sa, NULL); |
| sigaction(SIGTERM, &sa, NULL); |
| sigaction(SIGCHLD, &sa, NULL); |
| sigaction(SIGPIPE, &sa, NULL); |
| EVERBOSE(2, "Service is ready for starting engine ..."); |
| |
| if ((sock = srv_Socket(&cfg)) == -1) { |
| ret = 4; |
| goto end; |
| } |
| |
| cfg_loadAttribute(&cfg, "mqttd", "user", &v, MQTT_USER); |
| pass = getpwnam(AIT_GET_STR(&v)); |
| AIT_FREE_VAL(&v); |
| if (pass) { |
| setgid(pass->pw_gid); |
| setuid(pass->pw_uid); |
| EVERBOSE(2, "Try to change group #%d and user #%d", pass->pw_gid, pass->pw_uid); |
| } |
| |
| if (!(root = schedBegin())) { |
| ELIBERR(sched); |
| ret = 6; |
| goto end; |
| } |
| |
| /* go catch the cat ... */ |
| Run(sock); |
| |
| schedEnd(&root); |
| end: /* free all resources */ |
| srv_Close(sock); |
| call.CloseLOG(logg); |
| call.ClosePUB(pub); |
| call.CloseACC(acc); |
| mqttUnloadRTLM(acc); |
| mqttUnloadRTLM(pub); |
| mqttUnloadRTLM(logg); |
| cfgUnloadConfig(&cfg); |
| closelog(); |
| return ret; |
} |
} |