void masterconn_reload(void) {
masterconn *eptr = masterconnsingleton;
uint32_t ReconnectionDelay;
uint32_t MetaDLFreq;
free(MasterHost);
free(MasterPort);
free(BindHost);
MasterHost = cfg_getstr("MASTER_HOST","mfsmaster");
MasterPort = cfg_getstr("MASTER_PORT","9419");
BindHost = cfg_getstr("BIND_HOST","*");
eptr->masteraddrvalid = 0;
if (eptr->mode!=FREE) {
eptr->mode = KILL;
}
Timeout = cfg_getuint32("MASTER_TIMEOUT",60);
BackLogsNumber = cfg_getuint32("BACK_LOGS",50);
BackMetaCopies = cfg_getuint32("BACK_META_KEEP_PREVIOUS",3);
ReconnectionDelay = cfg_getuint32("MASTER_RECONNECTION_DELAY",5);
MetaDLFreq = cfg_getuint32("META_DOWNLOAD_FREQ",24);
if (Timeout>65536) {
Timeout=65535;
}
if (Timeout<10) {
Timeout=10;
}
if (BackLogsNumber<5) {
BackLogsNumber=5;
}
if (BackLogsNumber>10000) {
BackLogsNumber=10000;
}
if (MetaDLFreq>(BackLogsNumber/2)) {
MetaDLFreq=BackLogsNumber/2;
}
if (BackMetaCopies>99) {
BackMetaCopies=99;
}
main_timechange(reconnect_hook,TIMEMODE_RUN_LATE,ReconnectionDelay,0);
main_timechange(download_hook,TIMEMODE_RUN_LATE,MetaDLFreq*3600,630);
}
int masterconn_init(void) {
uint32_t ReconnectionDelay;
masterconn *eptr;
ReconnectionDelay = cfg_getuint32("MASTER_RECONNECTION_DELAY",5);
MasterHost = cfg_getstr("MASTER_HOST","mfsmaster");
MasterPort = cfg_getstr("MASTER_PORT","9419");
BindHost = cfg_getstr("BIND_HOST","*");
Timeout = cfg_getuint32("MASTER_TIMEOUT",10);
BackLogsNumber = cfg_getuint32("BACK_LOGS",50);
BackMetaCopies = cfg_getuint32("BACK_META_KEEP_PREVIOUS",3);
if (Timeout>65536) {
Timeout=65535;
}
if (Timeout<10) {
Timeout=10;
}
if (BackLogsNumber<5) {
BackLogsNumber=5;
}
if (BackLogsNumber>10000) {
BackLogsNumber=10000;
}
eptr = masterconnsingleton = malloc(sizeof(masterconn));
passert(eptr);
eptr->masteraddrvalid = 0;
eptr->mode = FREE;
eptr->pdescpos = -1;
eptr->metafd = -1;
eptr->oldmode = 0;
currentlogversion = fs_getversion();
if (!fs_ismastermode() && masterconn_initconnect(eptr)<0) {
return -1;
}
reconnect_hook = main_timeregister(TIMEMODE_RUN_LATE,ReconnectionDelay,0,masterconn_reconnect);
main_destructregister(masterconn_term);
main_pollregister(masterconn_desc,masterconn_serve);
main_reloadregister(masterconn_reload);
main_timeregister(TIMEMODE_RUN_LATE,60,0,masterconn_sessionsdownloadinit);
return 0;
}
int job_init(void) {
// globalpool = (jobpool*)malloc(sizeof(jobpool));
exiting = 0;
globalpool = job_pool_new(cfg_getuint32("WORKERS_QUEUE_LENGTH",250)); // deprecated option
job_reload();
main_destruct_register(job_term);
main_wantexit_register(job_wantexit);
main_canexit_register(job_canexit);
main_reload_register(job_reload);
main_eachloop_register(job_heavyload_test);
main_poll_register(job_desc,job_serve);
return 0;
}
int state_init()
{
int whethermaster = cfg_getuint32("MASTER_STATE", 1);
g_virtual_ip = cfg_getstr("VIRTUAL_IP", "");
int havevip = checkvirtualip();
if( ( whethermaster && !havevip ) || ( !whethermaster && havevip ) ) {
MFSLOG(LOG_ERR, "state : %d and havevip :%d conflict vip:%s\n",
whethermaster, havevip, g_virtual_ip);
return -1;
}
whethermaster ? set_state(MFS_STATE_MASTER) : set_state(MFS_STATE_SLAVE);
main_timeregister(TIMEMODE_RUNALL, 2, 0, state_refresh);
return 0;
}
int matoslaserv_init() {
ListenHost = cfg_getstr("MATOSLA_LISTEN_HOST","*");
ListenPort = cfg_getstr("MATOSLA_LISTEN_PORT","9423");
BindHost = cfg_getstr("BIND_HOST","*");
MaxReconnect = cfg_getuint32("MAX_RECONNECT",10);
sla_worker_addr[0].host = cfg_getstr("SLA_SYNC_WORKER_HOST_1","*");
sla_worker_addr[0].port = cfg_getstr("SLA_SYNC_WORKER_PORT_1","9422");
sla_worker_addr[1].host = cfg_getstr("SLA_SYNC_WORKER_HOST_2","*");
sla_worker_addr[1].port = cfg_getstr("SLA_SSYNC_WORKER_PORT_2","9422");
sla_worker_addr[2].host = cfg_getstr("SLA_SSYNC_WORKER_HOST_3","*");
sla_worker_addr[2].port = cfg_getstr("SLA_SSYNC_WORKER_PORT_3","9422");
sla_worker_addr[3].host = cfg_getstr("SLA_SSYNC_WORKER_HOST_4","*");
sla_worker_addr[3].port = cfg_getstr("SLA_SSYNC_WORKER_PORT_4","9422");
first_add_listen_sock = 0;
lsock = tcpsocket();
if (lsock<0) {
MFSLOG(LOG_ERR,"matosla: socket error: %m");
fprintf(msgfd,"master <-> metaloggers module: can't create socket\n");
return -1;
}
tcpnonblock(lsock);
tcpnodelay(lsock);
tcpreuseaddr(lsock);
if (sla_worker_addr_resolve()<0) {
MFSLOG(LOG_NOTICE,"sla_worker_addr_resolve failed");
}
if (tcpsetacceptfilter(lsock)<0) {
MFSLOG(LOG_NOTICE,"matosla: can't set accept filter: %m");
}
if (tcpstrlisten(lsock,ListenHost,ListenPort,1024)<0) {
MFSLOG(LOG_ERR,"matosla: listen error: %m");
fprintf(msgfd,"master <-> metaloggers module: can't listen on socket\n");
return -1;
}
MFSLOG(LOG_NOTICE,"matosla: listen on %s:%s",ListenHost,ListenPort);
fprintf(msgfd,"master <-> metaloggers module: listen on %s:%s\n",ListenHost,ListenPort);
matoslaservhead = NULL;
main_destructregister(matoslaserv_term);
main_epollregister(matoslaserv_desc,matoslaserv_serve);
return 0;
}
int changelog_init() {
BackLogsNumber = cfg_getuint32("BACK_LOGS",50);
fd = NULL;
//changelog_lock_init();
return 0;
}
int masterconn_init() {
uint32_t ReconnectionDelay;
uint32_t MetaDLFreq;
serventry *eptr;
ReconnectionDelay = cfg_getuint32("MASTER_RECONNECTION_DELAY",5);
MasterHost = cfg_getstr("MASTER_HOST","mfsmaster");
MasterPort = cfg_getstr("MASTER_PORT","9423");
BindHost = cfg_getstr("BIND_HOST","*");
Timeout = cfg_getuint32("MASTER_TIMEOUT",60);
BackLogsNumber = cfg_getuint32("BACK_LOGS",50);
MetaDLFreq = cfg_getuint32("META_DOWNLOAD_FREQ",24);
ListenHost = cfg_getstr("SYNC_THREAD_LISTEN_HOST","*");
ListenPort = cfg_getstr("SYNC_THREAD_LISTEN_PORT","9422");
first_add = 0;
listen_add = 0;
if (Timeout>65536) {
Timeout=65535;
}
if (Timeout<=1) {
Timeout=2;
}
if (BackLogsNumber<5) {
BackLogsNumber=5;
}
if (BackLogsNumber>10000) {
BackLogsNumber=10000;
}
if (MetaDLFreq>(BackLogsNumber/2)) {
MetaDLFreq=BackLogsNumber/2;
}
masterconnsingleton = (serventry *)malloc(sizeof(serventry));
eptr = masterconnsingleton;
eptr->masteraddrvalid = 0;
eptr->mode = FREE;
eptr->logfd = NULL;
eptr->metafd = -1;
eptr->connection = 3;
eptr->listen_sock = 0;
if (masterconn_initlisten()<0) {
return -1;
}
if (masterconn_initconnect(eptr)<0) {
return -1;
}
main_destructregister(masterconn_term);
main_epollregister(masterconn_desc,masterconn_serve);
// main_reloadregister(masterconn_reload);
// main_timeregister(TIMEMODE_RUNONCE,MetaDLFreq*3600,630,masterconn_metadownloadinit);
// main_timeregister(TIMEMODE_RUNONCE,60,0,masterconn_sessionsdownloadinit);
(void)msgfd;
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;
}