version 1.1.1.1, 2011/11/07 08:47:16
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version 1.1.1.1.2.13, 2011/12/14 15:09:31
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#include "global.h" |
#include "global.h" |
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#include "mqttd.h" |
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#include "rtlm.h" |
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#include "utils.h" |
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#include "daemon.h" |
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io_enableDEBUG; |
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sl_config cfg; |
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sessions_t Sessions; |
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sched_root_task_t *root; |
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sqlite3 *acc, *pub; |
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pthread_mutex_t mtx_sess; |
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FILE *logg; |
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extern char compiled[], compiledby[], compilehost[]; |
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static char szCfgName[MAXPATHLEN]; |
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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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UnloadConfig(&cfg); |
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if (!LoadConfig(szCfgName, &cfg)) { |
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ioDEBUG(1, "Config reload OK!"); |
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break; |
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} |
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syslog(LOG_ERR, "Error:: can't reload #%d - %s", cfg_GetErrno(), cfg_GetError()); |
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case SIGTERM: |
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ioDEBUG(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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} |
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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, szStr[STRSIZ]; |
| register int i; |
| int sock = -1, ret = 0; |
| struct passwd *pass; |
| struct sigaction sa; |
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| TAILQ_INIT(&Sessions); |
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| 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': |
| io_incDebug; |
| break; |
| case 'h': |
| default: |
| Usage(); |
| return 1; |
| } |
| argc -= optind; |
| argv += optind; |
| |
| if (LoadConfig(szCfgName, &cfg)) { |
| printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError()); |
| return 1; |
| } |
| pthread_mutex_init(&mtx_sess, NULL); |
| openlog("mqttd", LOG_PID | LOG_CONS, LOG_DAEMON); |
| for (i = 0; i < 3; i++) |
| if (!mqttLoadRTLM(&cfg, i)) { |
| printf("Error:: Can't load RTL module\n"); |
| while (i--) |
| mqttUnloadRTLM(i); |
| UnloadConfig(&cfg); |
| closelog(); |
| pthread_mutex_destroy(&mtx_sess); |
| 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(); |
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| ret = open("/dev/null", O_RDWR); |
| if (ret != -1) { |
| dup2(ret, STDIN_FILENO); |
| dup2(ret, STDOUT_FILENO); |
| dup2(ret, STDERR_FILENO); |
| close(ret); |
| } |
| ioDEBUG(2, "Welcome MQTT service into shadow land!"); |
| break; |
| default: |
| ioDEBUG(2, "MQTT service go to shadow land ..."); |
| sleep(1); |
| ret = 0; |
| goto end; |
| } |
| else |
| ioVERBOSE(1) printf("Start service in batch mode ...\n"); |
| |
| memset(&sa, 0, sizeof sa); |
| sigemptyset(&sa.sa_mask); |
| sa.sa_handler = sigHand; |
| sigaction(SIGHUP, &sa, NULL); |
| sigaction(SIGTERM, &sa, NULL); |
| sigaction(SIGCHLD, &sa, NULL); |
| ioDEBUG(2, "Service is ready for start engine ..."); |
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| if ((sock = srv_Socket(&cfg)) == -1) { |
| ret = 4; |
| goto end; |
| } |
| |
| cfg_LoadAttribute(&cfg, CFG("mqttd"), CFG("user"), CFG(szStr), sizeof szStr, MQTT_USER); |
| pass = getpwnam(szStr); |
| if (pass) { |
| setgid(pass->pw_gid); |
| setuid(pass->pw_uid); |
| ioDEBUG(2, "Try to change group #%d and user #%d", pass->pw_gid, pass->pw_uid); |
| } |
| |
| if (!(root = schedBegin())) { |
| printf("Error:: scheduler #%d - %s\n", sched_GetErrno(), sched_GetError()); |
| ret = 6; |
| goto end; |
| } |
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| Run(sock); |
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| schedEnd(&root); |
| end: |
| srv_Close(sock); |
| call.CloseLOG(logg); |
| call.ClosePUB(pub); |
| call.CloseACC(acc); |
| for (i = 0; i < 3; i++) |
| mqttUnloadRTLM(i); |
| closelog(); |
| UnloadConfig(&cfg); |
| pthread_mutex_destroy(&mtx_sess); |
| return ret; |
} |
} |