Windows: remove warnings from cm_daemon.c
[openafs.git] / src / WINNT / afsd / cm_daemon.c
index f8d014d..3c765cc 100644 (file)
@@ -18,6 +18,7 @@
 #include <string.h>
 
 #include "afsd.h"
+#include "smb.h"
 
 #include <rx/rx.h>
 #include <rx/rx_prototypes.h>
@@ -34,6 +35,8 @@ long cm_daemonCheckVolCBInterval = 0;
 long cm_daemonCheckLockInterval  = 60;
 long cm_daemonTokenCheckInterval = 180;
 long cm_daemonCheckOfflineVolInterval = 600;
+long cm_daemonPerformanceTuningInterval = 0;
+long cm_daemonRankServerInterval = 600;
 
 osi_rwlock_t cm_daemonLock;
 
@@ -44,8 +47,10 @@ int cm_bkgWaitingForCount;   /* true if someone's waiting for cm_bkgQueueCount to
 cm_bkgRequest_t *cm_bkgListp;          /* first elt in the list of requests */
 cm_bkgRequest_t *cm_bkgListEndp;       /* last elt in the list of requests */
 
-static int daemon_ShutdownFlag = 0;
+extern int powerStateSuspended;
+int daemon_ShutdownFlag = 0;
 static int cm_nDaemons = 0;
+static time_t lastIPAddrChange = 0;
 
 static EVENT_HANDLE cm_Daemon_ShutdownEvent = NULL;
 static EVENT_HANDLE cm_IPAddrDaemon_ShutdownEvent = NULL;
@@ -69,17 +74,10 @@ void cm_IpAddrDaemon(long parm)
         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);
-           Sleep(2500);
-            if (daemon_ShutdownFlag == 0) {
-                osi_Log0(afsd_logp, "cm_IpAddrDaemon CheckDownServers");
-                cm_CheckServers(CM_FLAG_CHECKVLDBSERVERS | CM_FLAG_CHECKUPSERVERS | CM_FLAG_CHECKDOWNSERVERS, NULL);
-                cm_ForceNewConnectionsAllServers();
-                cm_CheckServers(CM_FLAG_CHECKFILESERVERS | CM_FLAG_CHECKUPSERVERS | CM_FLAG_CHECKDOWNSERVERS, NULL);
-                smb_CheckVCs();
-                cm_VolStatus_Network_Addr_Change();
-            }
        }       
     }
 
@@ -91,9 +89,9 @@ void cm_BkgDaemon(void * parm)
     cm_bkgRequest_t *rp;
     afs_int32 code;
     char name[32] = "";
-    long daemonID = (long)parm;
+    long daemonID = (long)(LONG_PTR)parm;
 
-    snprintf(name, sizeof(name), "cm_BkgDaemon_ShutdownEvent%d", daemonID);
+    snprintf(name, sizeof(name), "cm_BkgDaemon_ShutdownEvent%u", daemonID);
 
     cm_BkgDaemon_ShutdownEvent[daemonID] = thrd_CreateEvent(NULL, FALSE, FALSE, name);
     if ( GetLastError() == ERROR_ALREADY_EXISTS )
@@ -103,6 +101,10 @@ void cm_BkgDaemon(void * parm)
 
     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);
@@ -112,7 +114,8 @@ void cm_BkgDaemon(void * parm)
         /* 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))
+           if (cm_ServerAvailable(&rp->scp->fid, rp->userp) && 
+                !(rp->scp->flags & CM_SCACHEFLAG_DATASTORING))
                break;
        }
        if (rp == NULL) {
@@ -136,39 +139,45 @@ void cm_BkgDaemon(void * parm)
 #ifdef DEBUG_REFCOUNT                
        osi_Log2(afsd_logp,"cm_BkgDaemon (after) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
 #endif
-       if (code == 0) {
-           cm_ReleaseUser(rp->userp);
-           cm_ReleaseSCache(rp->scp);
-           free(rp);
-       }
 
-        lock_ObtainWrite(&cm_daemonLock);
-
-       switch ( code ) {
-       case 0: /* success */
-           osi_Log1(afsd_logp,"cm_BkgDaemon SUCCESS: request 0x%p", rp);
-           break;
-       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:
-           osi_Log2(afsd_logp,"cm_BkgDaemon re-queueing failed request 0x%p code 0x%x",
-                    rp, code);
-           cm_bkgQueueCount++;
-           osi_QAddT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **)&cm_bkgListEndp, &rp->q);
-           break;
-       default:
-           osi_Log2(afsd_logp,"cm_BkgDaemon FAILED: request dropped 0x%p code 0x%x",
-                    rp, code);
-       }
+        /*
+         * 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]);
-
 }
 
 void cm_QueueBKGRequest(cm_scache_t *scp, cm_bkgProc_t *procp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
@@ -275,60 +284,77 @@ cm_DaemonCheckInit(void)
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckDownInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckDownInterval = dummy;
     afsi_log("daemonCheckDownInterval is %d", cm_daemonCheckDownInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckUpInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckUpInterval = dummy;
     afsi_log("daemonCheckUpInterval is %d", cm_daemonCheckUpInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckVolInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckVolInterval = dummy;
     afsi_log("daemonCheckVolInterval is %d", cm_daemonCheckVolInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckCBInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckCBInterval = dummy;
     afsi_log("daemonCheckCBInterval is %d", cm_daemonCheckCBInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckVolCBInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckVolCBInterval = dummy;
     afsi_log("daemonCheckVolCBInterval is %d", cm_daemonCheckVolCBInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckLockInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckLockInterval = dummy;
     afsi_log("daemonCheckLockInterval is %d", cm_daemonCheckLockInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckTokenInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonTokenCheckInterval = dummy;
     afsi_log("daemonCheckTokenInterval is %d", cm_daemonTokenCheckInterval);
 
     dummyLen = sizeof(DWORD);
     code = RegQueryValueEx(parmKey, "daemonCheckOfflineVolInterval", NULL, NULL,
                            (BYTE *) &dummy, &dummyLen);
-    if (code == ERROR_SUCCESS)
+    if (code == ERROR_SUCCESS && dummy)
        cm_daemonCheckOfflineVolInterval = dummy;
     afsi_log("daemonCheckOfflineVolInterval is %d", cm_daemonCheckOfflineVolInterval);
     
+    dummyLen = sizeof(DWORD);
+    code = RegQueryValueEx(parmKey, "daemonPerformanceTuningInterval", NULL, NULL,
+                           (BYTE *) &dummy, &dummyLen);
+    dummyLen = sizeof(DWORD);
+    code = RegQueryValueEx(parmKey, "daemonRankServerInterval", NULL, NULL,
+                           (BYTE *) &dummy, &dummyLen);
+    if (code == ERROR_SUCCESS && dummy)
+       cm_daemonRankServerInterval = dummy;
+    afsi_log("daemonRankServerInterval is %d", cm_daemonRankServerInterval);
+
+    if (code == ERROR_SUCCESS)
+       cm_daemonPerformanceTuningInterval = dummy;
+    afsi_log("daemonPerformanceTuningInterval is %d", cm_daemonPerformanceTuningInterval);
+    
     RegCloseKey(parmKey);
+
+    if (cm_daemonPerformanceTuningInterval)
+        cm_PerformanceTuningInit();
 }
 
 /* periodic check daemon */
@@ -343,12 +369,15 @@ void cm_Daemon(long parm)
     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 )
@@ -358,6 +387,9 @@ void cm_Daemon(long parm)
        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.
@@ -390,8 +422,15 @@ void cm_Daemon(long parm)
     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.
         */
@@ -419,14 +458,24 @@ void cm_Daemon(long parm)
            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 (now > lastDownServerCheck + cm_daemonCheckDownInterval &&
-            daemon_ShutdownFlag == 0) {
+        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);
@@ -435,9 +484,15 @@ void cm_Daemon(long parm)
            now = osi_Time();
         }
 
+        if (bAddrChangeCheck &&
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0)
+            cm_ForceNewConnectionsAllServers();
+
         /* check up servers */
-        if (now > lastUpServerCheck + cm_daemonCheckUpInterval &&
-            daemon_ShutdownFlag == 0) {
+        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);
@@ -446,18 +501,43 @@ void cm_Daemon(long parm)
            now = osi_Time();
         }
 
-        if (now > lastVolCheck + cm_daemonCheckVolInterval &&
-            daemon_ShutdownFlag == 0) {
+        if (bAddrChangeCheck &&
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
+            smb_CheckVCs();
+            cm_VolStatus_Network_Addr_Change();
+        }
+
+        /*
+         * Once every five minutes inspect the volume list and enforce
+         * the volume location expiration time.
+         */
+        if (now > lastVolCheck + 300 &&
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastVolCheck = now;
-            cm_RefreshVolumes();
+            cm_RefreshVolumes(cm_daemonCheckVolInterval);
             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) {
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastVolCBRenewalCheck = now;
             cm_VolumeRenewROCallbacks();
             if (daemon_ShutdownFlag == 1)
@@ -465,8 +545,9 @@ void cm_Daemon(long parm)
             now = osi_Time();
         }
 
-        if (now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval &&
-            daemon_ShutdownFlag == 0) {
+        if ((bAddrChangeCheck || now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval) &&
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastVolCheck = now;
             cm_CheckOfflineVolumes();
             if (daemon_ShutdownFlag == 1)
@@ -475,7 +556,8 @@ void cm_Daemon(long parm)
         }
 
         if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval &&
-            daemon_ShutdownFlag == 0) {
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastCBExpirationCheck = now;
             cm_CheckCBExpiration();
             if (daemon_ShutdownFlag == 1)
@@ -484,7 +566,8 @@ void cm_Daemon(long parm)
         }
 
         if (now > lastLockCheck + cm_daemonCheckLockInterval &&
-            daemon_ShutdownFlag == 0) {
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastLockCheck = now;
             cm_CheckLocks();
             if (daemon_ShutdownFlag == 1)
@@ -493,7 +576,8 @@ void cm_Daemon(long parm)
         }
 
         if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval &&
-            daemon_ShutdownFlag == 0) {
+            daemon_ShutdownFlag == 0 &&
+            powerStateSuspended == 0) {
             lastTokenCacheCheck = now;
             cm_CheckTokenCache(now);
             if (daemon_ShutdownFlag == 1)
@@ -502,7 +586,7 @@ void cm_Daemon(long parm)
         }
 
         /* allow an exit to be called prior to stopping the service */
-        hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+        hHookDll = cm_LoadAfsdHookLib();
         if (hHookDll)
         {
             BOOL hookRc = TRUE;
@@ -518,12 +602,25 @@ void cm_Daemon(long parm)
             {
                 SetEvent(WaitToTerminate);
             }
+
+            if (daemon_ShutdownFlag == 1) {
+                break;
+            }
+           now = osi_Time();
         }
 
-        if (daemon_ShutdownFlag == 1) {
-            break;
+        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_Sleep(10000);             /* sleep 10 seconds */
     }
     thrd_SetEvent(cm_Daemon_ShutdownEvent);
 }       
@@ -559,7 +656,8 @@ void cm_InitDaemon(int nDaemons)
     cm_nDaemons = (nDaemons > CM_MAX_DAEMONS) ? CM_MAX_DAEMONS : nDaemons;
     
     if (osi_Once(&once)) {
-        lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock");
+        lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock", 
+                               LOCK_HIERARCHY_DAEMON_GLOBAL);
         osi_EndOnce(&once);
 
        /* creating IP Address Change monitor daemon */
@@ -576,7 +674,7 @@ void cm_InitDaemon(int nDaemons)
 
        for(i=0; i < cm_nDaemons; i++) {
             phandle = thrd_Create((SecurityAttrib) 0, 0,
-                                   (ThreadFunc) cm_BkgDaemon, (LPVOID)i, 0, &pid,
+                                   (ThreadFunc) cm_BkgDaemon, (LPVOID)(LONG_PTR)i, 0, &pid,
                                    "cm_BkgDaemon");
             osi_assertx(phandle != NULL, "cm_BkgDaemon thread creation failure");
             thrd_CloseHandle(phandle);