void cm_IpAddrDaemon(long parm)
{
extern void smb_CheckVCs(void);
char * name = "cm_IPAddrDaemon_ShutdownEvent";
cm_IPAddrDaemon_ShutdownEvent = thrd_CreateEvent(NULL, FALSE, FALSE, name);
if ( GetLastError() == ERROR_ALREADY_EXISTS )
afsi_log("Event Object Already Exists: %s", name);
rx_StartClientThread();
while (daemon_ShutdownFlag == 0) {
DWORD Result;
thrd_SetEvent(cm_IPAddrDaemon_ShutdownEvent);
Result = NotifyAddrChange(NULL,NULL);
if (Result == NO_ERROR && daemon_ShutdownFlag == 0) {
lastIPAddrChange = osi_Time();
smb_SetLanAdapterChangeDetected();
cm_SetLanAdapterChangeDetected();
thrd_ResetEvent(cm_IPAddrDaemon_ShutdownEvent);
}
}
thrd_SetEvent(cm_IPAddrDaemon_ShutdownEvent);
}
/* 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;
}
void cm_BkgDaemon(void * parm)
{
cm_bkgRequest_t *rp;
afs_int32 code;
char name[32] = "";
long daemonID = (long)parm;
snprintf(name, sizeof(name), "cm_BkgDaemon_ShutdownEvent%d", daemonID);
cm_BkgDaemon_ShutdownEvent[daemonID] = thrd_CreateEvent(NULL, FALSE, FALSE, name);
if ( GetLastError() == ERROR_ALREADY_EXISTS )
afsi_log("Event Object Already Exists: %s", name);
rx_StartClientThread();
lock_ObtainWrite(&cm_daemonLock);
while (daemon_ShutdownFlag == 0) {
if (powerStateSuspended) {
Sleep(1000);
continue;
}
if (!cm_bkgListEndp) {
osi_SleepW((LONG_PTR)&cm_bkgListp, &cm_daemonLock);
lock_ObtainWrite(&cm_daemonLock);
continue;
}
/* we found a request */
for (rp = cm_bkgListEndp; rp; rp = (cm_bkgRequest_t *) osi_QPrev(&rp->q))
{
if (cm_ServerAvailable(&rp->scp->fid, rp->userp) &&
!(rp->scp->flags & CM_SCACHEFLAG_DATASTORING))
break;
}
if (rp == NULL) {
/* we couldn't find a request that we could process at the current time */
lock_ReleaseWrite(&cm_daemonLock);
Sleep(1000);
lock_ObtainWrite(&cm_daemonLock);
continue;
}
osi_QRemoveHT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **) &cm_bkgListEndp, &rp->q);
osi_assertx(cm_bkgQueueCount-- > 0, "cm_bkgQueueCount 0");
lock_ReleaseWrite(&cm_daemonLock);
osi_Log1(afsd_logp,"cm_BkgDaemon processing request 0x%p", rp);
#ifdef DEBUG_REFCOUNT
osi_Log2(afsd_logp,"cm_BkgDaemon (before) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
#endif
code = (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp);
#ifdef DEBUG_REFCOUNT
osi_Log2(afsd_logp,"cm_BkgDaemon (after) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
#endif
/*
* Keep the following list synchronized with the
* error code list in cm_BkgStore.
* cm_SyncOpDone(CM_SCACHESYNC_ASYNCSTORE) will be called there unless
* one of these errors has occurred.
*/
switch ( code ) {
case CM_ERROR_TIMEDOUT: /* or server restarting */
case CM_ERROR_RETRY:
case CM_ERROR_WOULDBLOCK:
case CM_ERROR_ALLBUSY:
case CM_ERROR_ALLDOWN:
case CM_ERROR_ALLOFFLINE:
case CM_ERROR_PARTIALWRITE:
if (rp->procp == cm_BkgStore) {
osi_Log2(afsd_logp,
"cm_BkgDaemon re-queueing failed request 0x%p code 0x%x",
rp, code);
lock_ObtainWrite(&cm_daemonLock);
cm_bkgQueueCount++;
osi_QAddT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **)&cm_bkgListEndp, &rp->q);
break;
} /* otherwise fall through */
case 0: /* success */
default: /* other error */
if (code == 0)
osi_Log1(afsd_logp,"cm_BkgDaemon SUCCESS: request 0x%p", rp);
else
osi_Log2(afsd_logp,"cm_BkgDaemon FAILED: request dropped 0x%p code 0x%x",
rp, code);
cm_ReleaseUser(rp->userp);
cm_ReleaseSCache(rp->scp);
free(rp);
lock_ObtainWrite(&cm_daemonLock);
}
}
lock_ReleaseWrite(&cm_daemonLock);
thrd_SetEvent(cm_BkgDaemon_ShutdownEvent[daemonID]);
}
/* 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);
}
void RpcListen()
{
RPC_STATUS status;
char *task;
RPC_BINDING_VECTOR *ptrBindingVector = NULL;
BOOLEAN ifaceRegistered = FALSE;
BOOLEAN epRegistered = FALSE;
#ifdef NOOSIDEBUGSERVER /* Use All Protseqs already done in OSI */
status = RpcServerUseAllProtseqs(1, NULL);
if (status != RPC_S_OK) {
task = "Use All Protocol Sequences";
goto cleanup;
}
#endif /* NOOSIDEBUGSERVER */
status = RpcServerRegisterIf(afsrpc_v1_0_s_ifspec, NULL, NULL);
if (status != RPC_S_OK) {
task = "Register Interface";
goto cleanup;
}
ifaceRegistered = TRUE;
status = RpcServerInqBindings(&ptrBindingVector);
if (status != RPC_S_OK) {
task = "Inquire Bindings";
goto cleanup;
}
status = RpcServerRegisterAuthInfo(NULL, RPC_C_AUTHN_WINNT, NULL, NULL);
if (status != RPC_S_OK) {
task = "Register Authentication Info";
goto cleanup;
}
status = RpcEpRegister(afsrpc_v1_0_s_ifspec, ptrBindingVector,
NULL, "AFS session key interface");
if (status != RPC_S_OK) {
task = "Register Endpoints";
goto cleanup;
}
epRegistered = TRUE;
afsi_log("RPC server listening");
status = RpcServerListen(OSI_MAXRPCCALLS, OSI_MAXRPCCALLS, 0);
if (status != RPC_S_OK) {
task = "Server Listen";
}
cleanup:
if (epRegistered)
(void) RpcEpUnregister(afsrpc_v1_0_s_ifspec, ptrBindingVector,
NULL);
if (ptrBindingVector)
(void) RpcBindingVectorFree(&ptrBindingVector);
if (ifaceRegistered)
(void) RpcServerUnregisterIf(afsrpc_v1_0_s_ifspec, NULL, FALSE);
if (status != RPC_S_OK)
afsi_log("RPC problem, code %d for %s", status, task);
else
afsi_log("RPC shutdown");
if (rpc_ShutdownEvent != NULL)
thrd_SetEvent(rpc_ShutdownEvent);
return;
}
void * cm_BkgDaemon(void * vparm)
{
cm_bkgRequest_t *rp;
afs_int32 code;
char name[32] = "";
long daemonID = (long)(LONG_PTR)vparm;
snprintf(name, sizeof(name), "cm_BkgDaemon_ShutdownEvent%u", daemonID);
cm_BkgDaemon_ShutdownEvent[daemonID] = thrd_CreateEvent(NULL, FALSE, FALSE, name);
if ( GetLastError() == ERROR_ALREADY_EXISTS )
afsi_log("Event Object Already Exists: %s", name);
rx_StartClientThread();
lock_ObtainWrite(&cm_daemonLockp[daemonID]);
while (daemon_ShutdownFlag == 0) {
int willBlock = 0;
if (powerStateSuspended) {
Sleep(1000);
continue;
}
if (!cm_bkgListEndpp[daemonID]) {
osi_SleepW((LONG_PTR)&cm_bkgListpp[daemonID], &cm_daemonLockp[daemonID]);
lock_ObtainWrite(&cm_daemonLockp[daemonID]);
continue;
}
/* we found a request */
for (rp = cm_bkgListEndpp[daemonID]; rp; rp = (cm_bkgRequest_t *) osi_QPrev(&rp->q))
{
if (rp->scp->flags & CM_SCACHEFLAG_DELETED)
break;
/*
* If the request has active I/O such that this worker would
* be forced to block, leave the request in the queue and move
* on to one that might be available for servicing.
*/
if (cm_RequestWillBlock(rp)) {
willBlock++;
continue;
}
if (cm_ServerAvailable(&rp->scp->fid, rp->userp))
break;
}
if (rp == NULL) {
/*
* Couldn't find a request that we could process at the
* current time. If there were requests that would cause
* the worker to block, sleep for 25ms so it can promptly
* respond when it is available. Otherwise, sleep for 1s.
*
* This polling cycle needs to be replaced with a proper
* producer/consumer dynamic worker pool.
*/
osi_Log2(afsd_logp,"cm_BkgDaemon[%u] sleeping %dms all tasks would block",
daemonID, willBlock ? 100 : 1000);
lock_ReleaseWrite(&cm_daemonLockp[daemonID]);
Sleep(willBlock ? 100 : 1000);
lock_ObtainWrite(&cm_daemonLockp[daemonID]);
continue;
}
osi_QRemoveHT((osi_queue_t **) &cm_bkgListpp[daemonID], (osi_queue_t **) &cm_bkgListEndpp[daemonID], &rp->q);
osi_assertx(cm_bkgQueueCountp[daemonID]-- > 0, "cm_bkgQueueCount 0");
lock_ReleaseWrite(&cm_daemonLockp[daemonID]);
osi_Log2(afsd_logp,"cm_BkgDaemon[%u] processing request 0x%p", daemonID, rp);
if (rp->scp->flags & CM_SCACHEFLAG_DELETED) {
osi_Log2(afsd_logp,"cm_BkgDaemon[%u] DELETED scp 0x%x", daemonID, rp->scp);
code = CM_ERROR_BADFD;
} else {
#ifdef DEBUG_REFCOUNT
osi_Log3(afsd_logp,"cm_BkgDaemon[%u] (before) scp 0x%x ref %d", daemonID, rp->scp, rp->scp->refCount);
#endif
code = (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp, &rp->req);
#ifdef DEBUG_REFCOUNT
osi_Log3(afsd_logp,"cm_BkgDaemon[%u] (after) scp 0x%x ref %d", daemonID, rp->scp, rp->scp->refCount);
#endif
}
/*
* Keep the following list synchronized with the
* error code list in cm_BkgStore.
* cm_SyncOpDone(CM_SCACHESYNC_ASYNCSTORE) will be called there unless
* one of these errors has occurred.
*/
switch ( code ) {
case CM_ERROR_TIMEDOUT: /* or server restarting */
case CM_ERROR_RETRY:
case CM_ERROR_WOULDBLOCK:
case CM_ERROR_ALLBUSY:
case CM_ERROR_ALLDOWN:
case CM_ERROR_ALLOFFLINE:
case CM_ERROR_PARTIALWRITE:
if (rp->procp == cm_BkgStore ||
rp->procp == RDR_BkgFetch) {
osi_Log3(afsd_logp,
"cm_BkgDaemon[%u] re-queueing failed request 0x%p code 0x%x",
daemonID, rp, code);
lock_ObtainWrite(&cm_daemonLockp[daemonID]);
cm_bkgQueueCountp[daemonID]++;
osi_QAddT((osi_queue_t **) &cm_bkgListpp[daemonID], (osi_queue_t **)&cm_bkgListEndpp[daemonID], &rp->q);
break;
} /* otherwise fall through */
case 0: /* success */
default: /* other error */
if (code == 0) {
osi_Log2(afsd_logp,"cm_BkgDaemon[%u] SUCCESS: request 0x%p", daemonID, rp);
} else {
osi_Log3(afsd_logp,"cm_BkgDaemon[%u] FAILED: request dropped 0x%p code 0x%x",
daemonID, rp, code);
}
cm_ReleaseUser(rp->userp);
cm_ReleaseSCache(rp->scp);
free(rp);
lock_ObtainWrite(&cm_daemonLockp[daemonID]);
}
}
lock_ReleaseWrite(&cm_daemonLockp[daemonID]);
thrd_SetEvent(cm_BkgDaemon_ShutdownEvent[daemonID]);
pthread_exit(NULL);
return NULL;
}
