int main(int argc, char **argv) { init_app(argc, argv, "osd"); event_init(); char *hdd_cfg = cfg_getstr("HDD_CONF_FILENAME", "etc/hdd.conf"); hdd_init(hdd_cfg); char *self_host = cfg_getstr("OSD2CLIENT_LISTEN_HOST", "*"); int self_port = cfg_getint32("OSD2CLIENT_LISTEN_PORT", 9527); rpc_client_setup(self_host, self_port, MACHINE_OSD); struct evhttp *httpd; char *listen_host = cfg_getstr("OSD2CLIENT_LISTEN_HOST", "*"); int port = cfg_getint32("OSD2CLIENT_LISTEN_PORT", 9527); httpd = evhttp_start(listen_host, port); if (httpd == NULL) { logging(LOG_ERROR, "start server error %m"); exit(1); } else { printf("Start osd at %s:%d\n", listen_host, port); } evhttp_set_cb(httpd, "/shutdown", shutdown_handler, NULL); evhttp_set_gencb(httpd, gen_handler, NULL); struct timeval five_seconds = {2,0}; struct event *update_clustermap_event= event_new(NULL, -1, EV_PERSIST, update_clustermap_from_cmgr_on_timer_cb, NULL); event_add(update_clustermap_event, &five_seconds); event_dispatch(); evhttp_free(httpd); return 0; }
int main(int argc,char **argv) { char *logappname; // char *lockfname; char *wrkdir; char *cfgfile; char *appname; int ch; uint8_t runmode; int rundaemon,logundefined; int lockmemory; int32_t nicelevel; uint32_t locktimeout; int fd; uint8_t movewarning; struct rlimit rls; strerr_init(); mycrc32_init(); movewarning = 0; cfgfile=strdup(ETC_PATH "/mfs/" STR(APPNAME) ".cfg"); passert(cfgfile); if ((fd = open(cfgfile,O_RDONLY))<0 && errno==ENOENT) { free(cfgfile); cfgfile=strdup(ETC_PATH "/" STR(APPNAME) ".cfg"); passert(cfgfile); if ((fd = open(cfgfile,O_RDONLY))>=0) { movewarning = 1; } } if (fd>=0) { close(fd); } locktimeout = 1800; rundaemon = 1; runmode = RM_RESTART; logundefined = 0; lockmemory = 0; appname = argv[0]; while ((ch = getopt(argc, argv, "uvdfsc:t:h?")) != -1) { switch(ch) { case 'v': printf("version: %u.%u.%u\n",VERSMAJ,VERSMID,VERSMIN); return 0; case 'd': rundaemon=0; break; case 'f': runmode=RM_START; break; case 's': runmode=RM_STOP; break; case 't': locktimeout=strtoul(optarg,NULL,10); break; case 'c': free(cfgfile); cfgfile = strdup(optarg); passert(cfgfile); movewarning = 0; break; case 'u': logundefined=1; break; default: usage(appname); return 1; } } argc -= optind; argv += optind; if (argc==1) { if (strcasecmp(argv[0],"start")==0) { runmode = RM_START; } else if (strcasecmp(argv[0],"stop")==0) { runmode = RM_STOP; } else if (strcasecmp(argv[0],"restart")==0) { runmode = RM_RESTART; } else if (strcasecmp(argv[0],"reload")==0) { runmode = RM_RELOAD; } else if (strcasecmp(argv[0],"test")==0) { runmode = RM_TEST; } else if (strcasecmp(argv[0],"kill")==0) { runmode = RM_KILL; } else { usage(appname); return 1; } } else if (argc!=0) { usage(appname); return 1; } if (movewarning) { mfs_syslog(LOG_WARNING,"default sysconf path has changed - please move " STR(APPNAME) ".cfg from "ETC_PATH"/ to "ETC_PATH"/mfs/"); } if ((runmode==RM_START || runmode==RM_RESTART) && rundaemon) { makedaemon(); } else { if (runmode==RM_START || runmode==RM_RESTART) { set_signal_handlers(0); } } if (cfg_load(cfgfile,logundefined)==0) { fprintf(stderr,"can't load config file: %s - using defaults\n",cfgfile); } free(cfgfile); logappname = cfg_getstr("SYSLOG_IDENT",STR(APPNAME)); if (rundaemon) { if (logappname[0]) { openlog(logappname, LOG_PID | LOG_NDELAY , LOG_DAEMON); } else { openlog(STR(APPNAME), LOG_PID | LOG_NDELAY , LOG_DAEMON); } } else { #if defined(LOG_PERROR) if (logappname[0]) { openlog(logappname, LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_USER); } else { openlog(STR(APPNAME), LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_USER); } #else if (logappname[0]) { openlog(logappname, LOG_PID | LOG_NDELAY, LOG_USER); } else { openlog(STR(APPNAME), LOG_PID | LOG_NDELAY, LOG_USER); } #endif } if (runmode==RM_START || runmode==RM_RESTART) { rls.rlim_cur = MFSMAXFILES; rls.rlim_max = MFSMAXFILES; if (setrlimit(RLIMIT_NOFILE,&rls)<0) { syslog(LOG_NOTICE,"can't change open files limit to %u",MFSMAXFILES); } lockmemory = cfg_getnum("LOCK_MEMORY",0); #ifdef MFS_USE_MEMLOCK if (lockmemory) { rls.rlim_cur = RLIM_INFINITY; rls.rlim_max = RLIM_INFINITY; setrlimit(RLIMIT_MEMLOCK,&rls); } #endif nicelevel = cfg_getint32("NICE_LEVEL",-19); setpriority(PRIO_PROCESS,getpid(),nicelevel); } changeugid(); wrkdir = cfg_getstr("DATA_PATH",DATA_PATH); if (runmode==RM_START || runmode==RM_RESTART) { fprintf(stderr,"working directory: %s\n",wrkdir); } if (chdir(wrkdir)<0) { mfs_arg_syslog(LOG_ERR,"can't set working directory to %s",wrkdir); if (rundaemon) { fputc(0,stderr); close_msg_channel(); } closelog(); free(logappname); return 1; } free(wrkdir); umask(cfg_getuint32("FILE_UMASK",027)&077); /* for upgrading from previous versions of MFS */ if (check_old_locks(runmode,locktimeout)<0) { if (rundaemon) { fputc(0,stderr); close_msg_channel(); } closelog(); free(logappname); wdunlock(); return 1; } if (wdlock(runmode,locktimeout)<0) { if (rundaemon) { fputc(0,stderr); close_msg_channel(); } closelog(); free(logappname); wdunlock(); return 1; } remove_old_wdlock(); if (runmode==RM_STOP || runmode==RM_KILL || runmode==RM_RELOAD || runmode==RM_TEST) { if (rundaemon) { close_msg_channel(); } closelog(); free(logappname); wdunlock(); return 0; } #ifdef MFS_USE_MEMLOCK if (lockmemory) { if (getrlimit(RLIMIT_MEMLOCK,&rls)<0) { mfs_errlog(LOG_WARNING,"error getting memory lock limits"); } else { if (rls.rlim_cur!=RLIM_INFINITY && rls.rlim_max==RLIM_INFINITY) { rls.rlim_cur = RLIM_INFINITY; rls.rlim_max = RLIM_INFINITY; if (setrlimit(RLIMIT_MEMLOCK,&rls)<0) { mfs_errlog(LOG_WARNING,"error setting memory lock limit to unlimited"); } } if (getrlimit(RLIMIT_MEMLOCK,&rls)<0) { mfs_errlog(LOG_WARNING,"error getting memory lock limits"); } else { if (rls.rlim_cur!=RLIM_INFINITY) { mfs_errlog(LOG_WARNING,"can't set memory lock limit to unlimited"); } else { if (mlockall(MCL_CURRENT|MCL_FUTURE)<0) { mfs_errlog(LOG_WARNING,"memory lock error"); } else { mfs_syslog(LOG_NOTICE,"process memory was successfully locked in RAM"); } } } } } #else if (lockmemory) { mfs_syslog(LOG_WARNING,"memory lock not supported !!!"); } #endif fprintf(stderr,"initializing %s modules ...\n",logappname); if (initialize()) { if (getrlimit(RLIMIT_NOFILE,&rls)==0) { syslog(LOG_NOTICE,"open files limit: %lu",(unsigned long)(rls.rlim_cur)); } fprintf(stderr,"%s daemon initialized properly\n",logappname); if (rundaemon) { close_msg_channel(); } if (initialize_late()) { mainloop(); ch=0; } else { ch=1; } } else { fprintf(stderr,"error occured during initialization - exiting\n"); if (rundaemon) { fputc(0,stderr); close_msg_channel(); } ch=1; } destruct(); free_all_registered_entries(); signal_cleanup(); cfg_term(); strerr_term(); closelog(); free(logappname); wdunlock(); return ch; }