version 1.1.1.1.2.2, 2011/11/29 22:42:23
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version 1.2.2.5, 2012/04/24 08:06:09
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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; | io_enableDEBUG; |
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| cfg_root_t cfg; |
| sessions_t Sessions; |
| pubs_t Pubs; |
| sched_root_task_t *root; |
| sqlite3 *acc, *pub; |
| pthread_mutex_t mtx_sess, mtx_pub; |
| FILE *logg; |
extern char compiled[], compiledby[], compilehost[]; |
extern char compiled[], compiledby[], compilehost[]; |
int Verbose; | static char szCfgName[MAXPATHLEN]; |
| intptr_t Kill; |
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static void |
static void |
Line 13 Usage(void)
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Line 25 Usage(void)
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printf( " -= MQTT Broker =- MQTT Service from ELWIX\n" |
printf( " -= MQTT Broker =- MQTT Service from ELWIX\n" |
"=== %s@%s === Compiled: %s ===\n\n" |
"=== %s@%s === Compiled: %s ===\n\n" |
"\t-c <config>\tService config\n" |
"\t-c <config>\tService config\n" |
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"\t-b\t\tBatch mode\n" |
"\t-v\t\tVerbose (more -vvv, more verbose)\n" |
"\t-v\t\tVerbose (more -vvv, more verbose)\n" |
"\t-h\t\tHelp! This screen\n\n", |
"\t-h\t\tHelp! This screen\n\n", |
compiledby, compilehost, compiled); |
compiledby, compilehost, compiled); |
} |
} |
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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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ioDEBUG(1, "Config reload OK!"); |
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break; |
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} |
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ioLIBERR(cfg); |
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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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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) |
{ |
{ |
char ch, szCfgName[MAXPATHLEN]; | char ch, batch = 0; |
| register int i; |
| int sock = -1, ret = 0; |
| struct passwd *pass; |
| struct sigaction sa; |
| ait_val_t v; |
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TAILQ_INIT(&Sessions); |
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TAILQ_INIT(&Pubs); |
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strlcpy(szCfgName, DEFAULT_CONFIG, sizeof szCfgName); |
strlcpy(szCfgName, DEFAULT_CONFIG, sizeof szCfgName); |
while ((ch = getopt(argc, argv, "hvc:")) != -1) | while ((ch = getopt(argc, argv, "hvbc:")) != -1) |
switch (ch) { |
switch (ch) { |
case 'c': |
case 'c': |
strlcpy(szCfgName, optarg, sizeof szCfgName); |
strlcpy(szCfgName, optarg, sizeof szCfgName); |
break; |
break; |
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case 'b': |
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batch++; |
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break; |
case 'v': |
case 'v': |
Verbose++; | io_incDebug; |
break; |
break; |
case 'h': |
case 'h': |
default: |
default: |
Line 41 main(int argc, char **argv)
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Line 91 main(int argc, char **argv)
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (LoadConfig(szCfgName, &cfg)) { | if (cfgLoadConfig(szCfgName, &cfg)) { |
printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError()); |
printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError()); |
return 1; |
return 1; |
} |
} |
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pthread_mutex_init(&mtx_sess, NULL); |
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pthread_mutex_init(&mtx_pub, NULL); |
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openlog("mqttd", LOG_PID | LOG_CONS, LOG_DAEMON); |
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/* load 3 plugins */ |
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for (i = 0; i < 3; i++) |
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if (!mqttLoadRTLM(&cfg, i)) { |
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printf("Error:: Can't load RTL module\n"); |
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while (i--) |
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mqttUnloadRTLM(i); |
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cfgUnloadConfig(&cfg); |
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closelog(); |
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pthread_mutex_destroy(&mtx_pub); |
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pthread_mutex_destroy(&mtx_sess); |
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return 2; |
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} |
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acc = call.OpenACC(&cfg); |
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if (!acc) { |
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ret = 3; |
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goto end; |
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} |
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pub = call.OpenPUB(&cfg); |
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if (!pub) { |
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ret = 3; |
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goto end; |
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} |
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logg = call.OpenLOG(&cfg); |
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if (!logg) { |
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ret = 3; |
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goto end; |
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} |
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UnloadConfig(&cfg); | if (mqttMkDir(&cfg)) { |
return 0; | 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 |
| ioDEBUG(1, "Start service in batch mode ..."); |
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| 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); |
| sigaction(SIGPIPE, &sa, NULL); |
| ioDEBUG(2, "Service is ready for starting engine ..."); |
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| if ((sock = srv_Socket(&cfg)) == -1) { |
| ret = 4; |
| goto end; |
| } |
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| 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); |
| ioDEBUG(2, "Try to change group #%d and user #%d", pass->pw_gid, pass->pw_uid); |
| } |
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| if (!(root = schedBegin())) { |
| ioLIBERR(sched); |
| ret = 6; |
| goto end; |
| } |
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| /* go catch the cat ... */ |
| Run(sock); |
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| schedEnd(&root); |
| end: /* free all resources */ |
| srv_Close(sock); |
| call.CloseLOG(logg); |
| call.ClosePUB(pub); |
| call.CloseACC(acc); |
| for (i = 0; i < 3; i++) |
| mqttUnloadRTLM(i); |
| closelog(); |
| cfgUnloadConfig(&cfg); |
| pthread_mutex_destroy(&mtx_pub); |
| pthread_mutex_destroy(&mtx_sess); |
| return ret; |
} |
} |