/* periodic lock check daemon */
void * cm_LockDaemon(void * vparm)
{
time_t now;
time_t lastLockCheck;
char * name = "cm_LockDaemon_ShutdownEvent";
cm_LockDaemon_ShutdownEvent = thrd_CreateEvent(NULL, FALSE, FALSE, name);
if ( GetLastError() == ERROR_ALREADY_EXISTS )
afsi_log("Event Object Already Exists: %s", name);
now = osi_Time();
lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
while (daemon_ShutdownFlag == 0) {
if (powerStateSuspended) {
Sleep(1000);
continue;
}
now = osi_Time();
if (now > lastLockCheck + cm_daemonCheckLockInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastLockCheck = now;
cm_CheckLocks();
if (daemon_ShutdownFlag == 1)
break;
}
thrd_Sleep(1000); /* sleep 1 second */
}
thrd_SetEvent(cm_LockDaemon_ShutdownEvent);
pthread_exit(NULL);
return NULL;
}
/* periodic check daemon */
void cm_Daemon(long parm)
{
time_t now;
time_t lastLockCheck;
time_t lastVolCheck;
time_t lastCBExpirationCheck;
time_t lastVolCBRenewalCheck;
time_t lastDownServerCheck;
time_t lastUpServerCheck;
time_t lastTokenCacheCheck;
time_t lastBusyVolCheck;
time_t lastPerformanceCheck;
time_t lastServerRankCheck;
char thostName[200];
unsigned long code;
struct hostent *thp;
HMODULE hHookDll;
char * name = "cm_Daemon_ShutdownEvent";
int configureFirewall = IsWindowsFirewallPresent();
int bAddrChangeCheck = 0;
cm_Daemon_ShutdownEvent = thrd_CreateEvent(NULL, FALSE, FALSE, name);
if ( GetLastError() == ERROR_ALREADY_EXISTS )
afsi_log("Event Object Already Exists: %s", name);
if (!configureFirewall) {
afsi_log("No Windows Firewall detected");
}
if (cm_freelanceEnabled && cm_freelanceImportCellServDB)
cm_FreelanceImportCellServDB();
/* ping all file servers, up or down, with unauthenticated connection,
* to find out whether we have all our callbacks from the server still.
* Also, ping down VLDBs.
*/
/*
* Seed the random number generator with our own address, so that
* clients starting at the same time don't all do vol checks at the
* same time.
*/
gethostname(thostName, sizeof(thostName));
thp = gethostbyname(thostName);
if (thp == NULL) /* In djgpp, gethostname returns the netbios
name of the machine. gethostbyname will fail
looking this up if it differs from DNS name. */
code = 0;
else
memcpy(&code, thp->h_addr_list[0], 4);
srand(ntohl(code));
cm_DaemonCheckInit();
now = osi_Time();
lastVolCheck = now - cm_daemonCheckVolInterval/2 + (rand() % cm_daemonCheckVolInterval);
lastCBExpirationCheck = now - cm_daemonCheckCBInterval/2 + (rand() % cm_daemonCheckCBInterval);
if (cm_daemonCheckVolCBInterval)
lastVolCBRenewalCheck = now - cm_daemonCheckVolCBInterval/2 + (rand() % cm_daemonCheckVolCBInterval);
lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
lastDownServerCheck = now - cm_daemonCheckDownInterval/2 + (rand() % cm_daemonCheckDownInterval);
lastUpServerCheck = now - cm_daemonCheckUpInterval/2 + (rand() % cm_daemonCheckUpInterval);
lastTokenCacheCheck = now - cm_daemonTokenCheckInterval/2 + (rand() % cm_daemonTokenCheckInterval);
lastBusyVolCheck = now - cm_daemonCheckOfflineVolInterval/2 * (rand() % cm_daemonCheckOfflineVolInterval);
if (cm_daemonPerformanceTuningInterval)
lastPerformanceCheck = now - cm_daemonPerformanceTuningInterval/2 * (rand() % cm_daemonPerformanceTuningInterval);
lastServerRankCheck = now - cm_daemonRankServerInterval/2 * (rand() % cm_daemonRankServerInterval);
while (daemon_ShutdownFlag == 0) {
if (powerStateSuspended) {
Sleep(1000);
continue;
}
/* check to see if the listener threads halted due to network
* disconnect or other issues. If so, attempt to restart them.
*/
smb_RestartListeners(0);
if (daemon_ShutdownFlag == 1)
break;
if (configureFirewall) {
/* Open Microsoft Firewall to allow in port 7001 */
switch (icf_CheckAndAddAFSPorts(AFS_PORTSET_CLIENT)) {
case 0:
afsi_log("Windows Firewall Configuration succeeded");
configureFirewall = 0;
break;
case 1:
afsi_log("Invalid Windows Firewall Port Set");
break;
case 2:
afsi_log("Unable to open Windows Firewall Profile");
break;
case 3:
afsi_log("Unable to create/modify Windows Firewall Port entries");
break;
default:
afsi_log("Unknown Windows Firewall Configuration error");
}
}
/* find out what time it is */
now = osi_Time();
/* Determine whether an address change took place that we need to respond to */
if (bAddrChangeCheck)
bAddrChangeCheck = 0;
if (lastIPAddrChange != 0 && lastIPAddrChange + 2500 < now) {
bAddrChangeCheck = 1;
lastIPAddrChange = 0;
}
/* check down servers */
if ((bAddrChangeCheck || now > lastDownServerCheck + cm_daemonCheckDownInterval) &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastDownServerCheck = now;
osi_Log0(afsd_logp, "cm_Daemon CheckDownServers");
cm_CheckServers(CM_FLAG_CHECKDOWNSERVERS, NULL);
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (bAddrChangeCheck &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0)
cm_ForceNewConnectionsAllServers();
/* check up servers */
if ((bAddrChangeCheck || now > lastUpServerCheck + cm_daemonCheckUpInterval) &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastUpServerCheck = now;
osi_Log0(afsd_logp, "cm_Daemon CheckUpServers");
cm_CheckServers(CM_FLAG_CHECKUPSERVERS, NULL);
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (bAddrChangeCheck &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
smb_CheckVCs();
cm_VolStatus_Network_Addr_Change();
}
if (now > lastVolCheck + cm_daemonCheckVolInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastVolCheck = now;
cm_RefreshVolumes();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
/* Rank all up servers */
if ((now > lastServerRankCheck + cm_daemonRankServerInterval) &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastServerRankCheck = now;
osi_Log0(afsd_logp, "cm_Daemon RankServer");
cm_RankUpServers();
if(daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (cm_daemonCheckVolCBInterval &&
now > lastVolCBRenewalCheck + cm_daemonCheckVolCBInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastVolCBRenewalCheck = now;
cm_VolumeRenewROCallbacks();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if ((bAddrChangeCheck || now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval) &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastVolCheck = now;
cm_CheckOfflineVolumes();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastCBExpirationCheck = now;
cm_CheckCBExpiration();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (now > lastLockCheck + cm_daemonCheckLockInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastLockCheck = now;
cm_CheckLocks();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastTokenCacheCheck = now;
cm_CheckTokenCache(now);
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
/* allow an exit to be called prior to stopping the service */
hHookDll = cm_LoadAfsdHookLib();
if (hHookDll)
{
BOOL hookRc = TRUE;
AfsdDaemonHook daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
if (daemonHook)
{
hookRc = daemonHook();
}
FreeLibrary(hHookDll);
hHookDll = NULL;
if (hookRc == FALSE)
{
SetEvent(WaitToTerminate);
}
if (daemon_ShutdownFlag == 1) {
break;
}
now = osi_Time();
}
if (cm_daemonPerformanceTuningInterval &&
now > lastPerformanceCheck + cm_daemonPerformanceTuningInterval &&
daemon_ShutdownFlag == 0 &&
powerStateSuspended == 0) {
lastPerformanceCheck = now;
cm_PerformanceTuningCheck();
if (daemon_ShutdownFlag == 1)
break;
now = osi_Time();
}
thrd_Sleep(10000); /* sleep 10 seconds */
}
thrd_SetEvent(cm_Daemon_ShutdownEvent);
}