int masterconn_init(void) {
uint32_t ReconnectionDelay;
uint32_t MetaDLFreq;
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",60);
BackLogsNumber = cfg_getuint32("BACK_LOGS",50);
BackMetaCopies = cfg_getuint32("BACK_META_KEEP_PREVIOUS",3);
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;
}
eptr = masterconnsingleton = malloc(sizeof(masterconn));
passert(eptr);
eptr->masteraddrvalid = 0;
eptr->mode = FREE;
eptr->pdescpos = -1;
eptr->logfd = NULL;
eptr->metafd = -1;
eptr->oldmode = 0;
masterconn_findlastlogversion();
if (masterconn_initconnect(eptr)<0) {
return -1;
}
reconnect_hook = main_timeregister(TIMEMODE_RUN_LATE,ReconnectionDelay,0,masterconn_reconnect);
download_hook = main_timeregister(TIMEMODE_RUN_LATE,MetaDLFreq*3600,630,masterconn_metadownloadinit);
main_destructregister(masterconn_term);
main_pollregister(masterconn_desc,masterconn_serve);
main_reloadregister(masterconn_reload);
main_timeregister(TIMEMODE_RUN_LATE,60,0,masterconn_sessionsdownloadinit);
main_timeregister(TIMEMODE_RUN_LATE,1,0,masterconn_metachanges_flush);
return 0;
}
int chartsdata_init (void) {
struct itimerval uc,pc;
it_set.it_interval.tv_sec = 0;
it_set.it_interval.tv_usec = 0;
it_set.it_value.tv_sec = 999;
it_set.it_value.tv_usec = 999999;
setitimer(ITIMER_VIRTUAL,&it_set,&uc); // user time
setitimer(ITIMER_PROF,&it_set,&pc); // user time + system time
main_timeregister(TIMEMODE_RUN_LATE,60,0,chartsdata_refresh);
main_timeregister(TIMEMODE_RUN_LATE,3600,0,chartsdata_store);
main_destructregister(chartsdata_term);
return charts_init(calcdefs,statdefs,estatdefs,CHARTS_FILENAME);
}
int matomlserv_init(void) {
ListenHost = cfg_getstr("MATOML_LISTEN_HOST","*");
ListenPort = cfg_getstr("MATOML_LISTEN_PORT","9419");
lsock = tcpsocket();
if (lsock<0) {
mfs_errlog(LOG_ERR,"master <-> metaloggers module: can't create socket");
return -1;
}
tcpnonblock(lsock);
tcpnodelay(lsock);
tcpreuseaddr(lsock);
if (tcpsetacceptfilter(lsock)<0 && errno!=ENOTSUP) {
mfs_errlog_silent(LOG_NOTICE,"master <-> metaloggers module: can't set accept filter");
}
if (tcpstrlisten(lsock,ListenHost,ListenPort,100)<0) {
mfs_arg_errlog(LOG_ERR,"master <-> metaloggers module: can't listen on %s:%s",ListenHost,ListenPort);
return -1;
}
mfs_arg_syslog(LOG_NOTICE,"master <-> metaloggers module: listen on %s:%s",ListenHost,ListenPort);
matomlservhead = NULL;
ChangelogSecondsToRemember = cfg_getuint16("MATOML_LOG_PRESERVE_SECONDS",600);
if (ChangelogSecondsToRemember>3600) {
syslog(LOG_WARNING,"Number of seconds of change logs to be preserved in master is too big (%"PRIu16") - decreasing to 3600 seconds",ChangelogSecondsToRemember);
ChangelogSecondsToRemember=3600;
}
main_reloadregister(matomlserv_reload);
main_destructregister(matomlserv_term);
main_canexitregister(matomlserv_canexit);
main_pollregister(matomlserv_desc,matomlserv_serve);
main_timeregister(TIMEMODE_SKIP_LATE,3600,0,matomlserv_status);
return 0;
}
int matomlserv_init(void) {
ListenHost = cfg_getstr("MATOML_LISTEN_HOST","*");
ListenPort = cfg_getstr("MATOML_LISTEN_PORT","9419");
lsock = tcpsocket();
if (lsock<0) {
mfs_errlog(LOG_ERR,"master <-> metaloggers module: can't create socket");
return -1;
}
tcpnonblock(lsock);
tcpnodelay(lsock);
tcpreuseaddr(lsock);
if (tcpsetacceptfilter(lsock)<0 && errno!=ENOTSUP) {
mfs_errlog_silent(LOG_NOTICE,"master <-> metaloggers module: can't set accept filter");
}
if (tcpstrlisten(lsock,ListenHost,ListenPort,100)<0) {
mfs_errlog(LOG_ERR,"master <-> metaloggers module: can't listen on socket");
return -1;
}
mfs_arg_syslog(LOG_NOTICE,"master <-> metaloggers module: listen on %s:%s",ListenHost,ListenPort);
matomlservhead = NULL;
main_reloadregister(matomlserv_reload);
main_destructregister(matomlserv_term);
main_pollregister(matomlserv_desc,matomlserv_serve);
main_timeregister(TIMEMODE_SKIP_LATE,3600,0,matomlserv_status);
return 0;
}
static void state_refresh()
{
int havevip = checkvirtualip();
if( ismaster() ) {
if(!havevip) {
MFSLOG(LOG_ERR, "is master but have not the vip kill myself\n");
assert(0);
}
/* for master, nothing to deal with */
return;
}
/**
* for session is not replayed in slave, we should load it
* for now, changelog from master will be discarded
*
* Dongyang Zhang
*/
if(havevip) {
MFSLOG(LOG_NOTICE, "slave got the vip, will switch to master");
set_state(MFS_STATE_MASTER);
matocuserv_sessionsinit(NULL);
main_timeregister(TIMEMODE_RUNONCE,1,0,chunk_jobs_main);
main_timeregister(TIMEMODE_RUNONCE,1,0,fs_test_files);
main_timeregister(TIMEMODE_RUNONCE,1,0,fsnodes_check_all_quotas);
main_timeregister(TIMEMODE_RUNONCE,300,0,fs_emptytrash);
main_timeregister(TIMEMODE_RUNONCE,60,0,fs_emptyreserved);
main_timeregister(TIMEMODE_RUNONCE,60,0,fsnodes_freeinodes);
main_timeregister(TIMEMODE_RUNONCE,3600,0,fs_dostoreall);
}
}
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 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;
}
