2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afs/param.h>
23 #include <rx/rx_prototypes.h>
24 #include <WINNT/afsreg.h>
29 long cm_daemonCheckDownInterval = 180;
30 long cm_daemonCheckUpInterval = 240;
31 long cm_daemonCheckVolInterval = 3600;
32 long cm_daemonCheckCBInterval = 60;
33 long cm_daemonCheckVolCBInterval = 0;
34 long cm_daemonCheckLockInterval = 60;
35 long cm_daemonTokenCheckInterval = 180;
36 long cm_daemonCheckOfflineVolInterval = 600;
37 long cm_daemonPerformanceTuningInterval = 0;
38 long cm_daemonRankServerInterval = 600;
40 osi_rwlock_t cm_daemonLock;
42 long cm_bkgQueueCount; /* # of queued requests */
44 int cm_bkgWaitingForCount; /* true if someone's waiting for cm_bkgQueueCount to drop */
46 cm_bkgRequest_t *cm_bkgListp; /* first elt in the list of requests */
47 cm_bkgRequest_t *cm_bkgListEndp; /* last elt in the list of requests */
49 extern int powerStateSuspended;
50 int daemon_ShutdownFlag = 0;
51 static int cm_nDaemons = 0;
52 static time_t lastIPAddrChange = 0;
54 static EVENT_HANDLE cm_Daemon_ShutdownEvent = NULL;
55 static EVENT_HANDLE cm_IPAddrDaemon_ShutdownEvent = NULL;
56 static EVENT_HANDLE cm_BkgDaemon_ShutdownEvent[CM_MAX_DAEMONS] =
57 {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
59 void cm_IpAddrDaemon(long parm)
61 extern void smb_CheckVCs(void);
62 char * name = "cm_IPAddrDaemon_ShutdownEvent";
64 cm_IPAddrDaemon_ShutdownEvent = thrd_CreateEvent(NULL, FALSE, FALSE, name);
65 if ( GetLastError() == ERROR_ALREADY_EXISTS )
66 afsi_log("Event Object Already Exists: %s", name);
68 rx_StartClientThread();
70 while (daemon_ShutdownFlag == 0) {
73 thrd_SetEvent(cm_IPAddrDaemon_ShutdownEvent);
74 Result = NotifyAddrChange(NULL,NULL);
75 if (Result == NO_ERROR && daemon_ShutdownFlag == 0) {
76 lastIPAddrChange = osi_Time();
77 smb_SetLanAdapterChangeDetected();
78 cm_SetLanAdapterChangeDetected();
79 thrd_ResetEvent(cm_IPAddrDaemon_ShutdownEvent);
83 thrd_SetEvent(cm_IPAddrDaemon_ShutdownEvent);
86 void cm_BkgDaemon(void * parm)
91 long daemonID = (long)parm;
93 snprintf(name, sizeof(name), "cm_BkgDaemon_ShutdownEvent%d", daemonID);
95 cm_BkgDaemon_ShutdownEvent[daemonID] = thrd_CreateEvent(NULL, FALSE, FALSE, name);
96 if ( GetLastError() == ERROR_ALREADY_EXISTS )
97 afsi_log("Event Object Already Exists: %s", name);
99 rx_StartClientThread();
101 lock_ObtainWrite(&cm_daemonLock);
102 while (daemon_ShutdownFlag == 0) {
103 if (powerStateSuspended) {
107 if (!cm_bkgListEndp) {
108 osi_SleepW((LONG_PTR)&cm_bkgListp, &cm_daemonLock);
109 lock_ObtainWrite(&cm_daemonLock);
113 /* we found a request */
114 for (rp = cm_bkgListEndp; rp; rp = (cm_bkgRequest_t *) osi_QPrev(&rp->q))
116 if (cm_ServerAvailable(&rp->scp->fid, rp->userp) &&
117 !(rp->scp->flags & CM_SCACHEFLAG_DATASTORING))
121 /* we couldn't find a request that we could process at the current time */
122 lock_ReleaseWrite(&cm_daemonLock);
124 lock_ObtainWrite(&cm_daemonLock);
128 osi_QRemoveHT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **) &cm_bkgListEndp, &rp->q);
129 osi_assertx(cm_bkgQueueCount-- > 0, "cm_bkgQueueCount 0");
130 lock_ReleaseWrite(&cm_daemonLock);
132 osi_Log1(afsd_logp,"cm_BkgDaemon processing request 0x%p", rp);
134 #ifdef DEBUG_REFCOUNT
135 osi_Log2(afsd_logp,"cm_BkgDaemon (before) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
137 code = (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp);
138 #ifdef DEBUG_REFCOUNT
139 osi_Log2(afsd_logp,"cm_BkgDaemon (after) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
143 * Keep the following list synchronized with the
144 * error code list in cm_BkgStore.
145 * cm_SyncOpDone(CM_SCACHESYNC_ASYNCSTORE) will be called there unless
146 * one of these errors has occurred.
149 case CM_ERROR_TIMEDOUT: /* or server restarting */
151 case CM_ERROR_WOULDBLOCK:
152 case CM_ERROR_ALLBUSY:
153 case CM_ERROR_ALLDOWN:
154 case CM_ERROR_ALLOFFLINE:
155 case CM_ERROR_PARTIALWRITE:
156 osi_Log2(afsd_logp,"cm_BkgDaemon re-queueing failed request 0x%p code 0x%x",
158 lock_ObtainWrite(&cm_daemonLock);
160 osi_QAddT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **)&cm_bkgListEndp, &rp->q);
162 case 0: /* success */
163 default: /* other error */
165 osi_Log1(afsd_logp,"cm_BkgDaemon SUCCESS: request 0x%p", rp);
167 osi_Log2(afsd_logp,"cm_BkgDaemon FAILED: request dropped 0x%p code 0x%x",
169 cm_ReleaseUser(rp->userp);
170 cm_ReleaseSCache(rp->scp);
172 lock_ObtainWrite(&cm_daemonLock);
175 lock_ReleaseWrite(&cm_daemonLock);
177 thrd_SetEvent(cm_BkgDaemon_ShutdownEvent[daemonID]);
180 void cm_QueueBKGRequest(cm_scache_t *scp, cm_bkgProc_t *procp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
185 rp = malloc(sizeof(*rp));
186 memset(rp, 0, sizeof(*rp));
198 lock_ObtainWrite(&cm_daemonLock);
200 osi_QAdd((osi_queue_t **) &cm_bkgListp, &rp->q);
203 lock_ReleaseWrite(&cm_daemonLock);
205 osi_Wakeup((LONG_PTR) &cm_bkgListp);
209 IsWindowsFirewallPresent(void)
214 BOOLEAN result = FALSE;
215 LPQUERY_SERVICE_CONFIG pConfig = NULL;
219 /* Open services manager */
220 scm = OpenSCManager(NULL, NULL, GENERIC_READ);
221 if (!scm) return FALSE;
223 /* Open Windows Firewall service */
224 svc = OpenService(scm, "MpsSvc", SERVICE_QUERY_CONFIG);
226 afsi_log("MpsSvc Service could not be opened for query: 0x%x", GetLastError());
227 svc = OpenService(scm, "SharedAccess", SERVICE_QUERY_CONFIG);
229 afsi_log("SharedAccess Service could not be opened for query: 0x%x", GetLastError());
234 /* Query Windows Firewall service config, first just to get buffer size */
235 /* Expected to fail, so don't test return value */
236 (void) QueryServiceConfig(svc, NULL, 0, &BufSize);
237 status = GetLastError();
238 if (status != ERROR_INSUFFICIENT_BUFFER)
241 /* Allocate buffer */
242 pConfig = (LPQUERY_SERVICE_CONFIG)GlobalAlloc(GMEM_FIXED,BufSize);
246 /* Query Windows Firewall service config, this time for real */
247 flag = QueryServiceConfig(svc, pConfig, BufSize, &BufSize);
249 afsi_log("QueryServiceConfig failed: 0x%x", GetLastError());
253 /* Is it autostart? */
254 afsi_log("AutoStart 0x%x", pConfig->dwStartType);
255 if (pConfig->dwStartType < SERVICE_DEMAND_START)
261 CloseServiceHandle(svc);
263 CloseServiceHandle(scm);
269 cm_DaemonCheckInit(void)
276 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
277 0, KEY_QUERY_VALUE, &parmKey);
281 dummyLen = sizeof(DWORD);
282 code = RegQueryValueEx(parmKey, "daemonCheckDownInterval", NULL, NULL,
283 (BYTE *) &dummy, &dummyLen);
284 if (code == ERROR_SUCCESS && dummy)
285 cm_daemonCheckDownInterval = dummy;
286 afsi_log("daemonCheckDownInterval is %d", cm_daemonCheckDownInterval);
288 dummyLen = sizeof(DWORD);
289 code = RegQueryValueEx(parmKey, "daemonCheckUpInterval", NULL, NULL,
290 (BYTE *) &dummy, &dummyLen);
291 if (code == ERROR_SUCCESS && dummy)
292 cm_daemonCheckUpInterval = dummy;
293 afsi_log("daemonCheckUpInterval is %d", cm_daemonCheckUpInterval);
295 dummyLen = sizeof(DWORD);
296 code = RegQueryValueEx(parmKey, "daemonCheckVolInterval", NULL, NULL,
297 (BYTE *) &dummy, &dummyLen);
298 if (code == ERROR_SUCCESS && dummy)
299 cm_daemonCheckVolInterval = dummy;
300 afsi_log("daemonCheckVolInterval is %d", cm_daemonCheckVolInterval);
302 dummyLen = sizeof(DWORD);
303 code = RegQueryValueEx(parmKey, "daemonCheckCBInterval", NULL, NULL,
304 (BYTE *) &dummy, &dummyLen);
305 if (code == ERROR_SUCCESS && dummy)
306 cm_daemonCheckCBInterval = dummy;
307 afsi_log("daemonCheckCBInterval is %d", cm_daemonCheckCBInterval);
309 dummyLen = sizeof(DWORD);
310 code = RegQueryValueEx(parmKey, "daemonCheckVolCBInterval", NULL, NULL,
311 (BYTE *) &dummy, &dummyLen);
312 if (code == ERROR_SUCCESS && dummy)
313 cm_daemonCheckVolCBInterval = dummy;
314 afsi_log("daemonCheckVolCBInterval is %d", cm_daemonCheckVolCBInterval);
316 dummyLen = sizeof(DWORD);
317 code = RegQueryValueEx(parmKey, "daemonCheckLockInterval", NULL, NULL,
318 (BYTE *) &dummy, &dummyLen);
319 if (code == ERROR_SUCCESS && dummy)
320 cm_daemonCheckLockInterval = dummy;
321 afsi_log("daemonCheckLockInterval is %d", cm_daemonCheckLockInterval);
323 dummyLen = sizeof(DWORD);
324 code = RegQueryValueEx(parmKey, "daemonCheckTokenInterval", NULL, NULL,
325 (BYTE *) &dummy, &dummyLen);
326 if (code == ERROR_SUCCESS && dummy)
327 cm_daemonTokenCheckInterval = dummy;
328 afsi_log("daemonCheckTokenInterval is %d", cm_daemonTokenCheckInterval);
330 dummyLen = sizeof(DWORD);
331 code = RegQueryValueEx(parmKey, "daemonCheckOfflineVolInterval", NULL, NULL,
332 (BYTE *) &dummy, &dummyLen);
333 if (code == ERROR_SUCCESS && dummy)
334 cm_daemonCheckOfflineVolInterval = dummy;
335 afsi_log("daemonCheckOfflineVolInterval is %d", cm_daemonCheckOfflineVolInterval);
337 dummyLen = sizeof(DWORD);
338 code = RegQueryValueEx(parmKey, "daemonPerformanceTuningInterval", NULL, NULL,
339 (BYTE *) &dummy, &dummyLen);
340 dummyLen = sizeof(DWORD);
341 code = RegQueryValueEx(parmKey, "daemonRankServerInterval", NULL, NULL,
342 (BYTE *) &dummy, &dummyLen);
343 if (code == ERROR_SUCCESS && dummy)
344 cm_daemonRankServerInterval = dummy;
345 afsi_log("daemonRankServerInterval is %d", cm_daemonRankServerInterval);
347 if (code == ERROR_SUCCESS)
348 cm_daemonPerformanceTuningInterval = dummy;
349 afsi_log("daemonPerformanceTuningInterval is %d", cm_daemonPerformanceTuningInterval);
351 RegCloseKey(parmKey);
353 if (cm_daemonPerformanceTuningInterval)
354 cm_PerformanceTuningInit();
357 /* periodic check daemon */
358 void cm_Daemon(long parm)
361 time_t lastLockCheck;
363 time_t lastCBExpirationCheck;
364 time_t lastVolCBRenewalCheck;
365 time_t lastDownServerCheck;
366 time_t lastUpServerCheck;
367 time_t lastTokenCacheCheck;
368 time_t lastBusyVolCheck;
369 time_t lastPerformanceCheck;
370 time_t lastServerRankCheck;
375 char * name = "cm_Daemon_ShutdownEvent";
376 int configureFirewall = IsWindowsFirewallPresent();
377 int bAddrChangeCheck = 0;
379 cm_Daemon_ShutdownEvent = thrd_CreateEvent(NULL, FALSE, FALSE, name);
380 if ( GetLastError() == ERROR_ALREADY_EXISTS )
381 afsi_log("Event Object Already Exists: %s", name);
383 if (!configureFirewall) {
384 afsi_log("No Windows Firewall detected");
387 /* ping all file servers, up or down, with unauthenticated connection,
388 * to find out whether we have all our callbacks from the server still.
389 * Also, ping down VLDBs.
392 * Seed the random number generator with our own address, so that
393 * clients starting at the same time don't all do vol checks at the
396 gethostname(thostName, sizeof(thostName));
397 thp = gethostbyname(thostName);
398 if (thp == NULL) /* In djgpp, gethostname returns the netbios
399 name of the machine. gethostbyname will fail
400 looking this up if it differs from DNS name. */
403 memcpy(&code, thp->h_addr_list[0], 4);
407 cm_DaemonCheckInit();
410 lastVolCheck = now - cm_daemonCheckVolInterval/2 + (rand() % cm_daemonCheckVolInterval);
411 lastCBExpirationCheck = now - cm_daemonCheckCBInterval/2 + (rand() % cm_daemonCheckCBInterval);
412 if (cm_daemonCheckVolCBInterval)
413 lastVolCBRenewalCheck = now - cm_daemonCheckVolCBInterval/2 + (rand() % cm_daemonCheckVolCBInterval);
414 lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
415 lastDownServerCheck = now - cm_daemonCheckDownInterval/2 + (rand() % cm_daemonCheckDownInterval);
416 lastUpServerCheck = now - cm_daemonCheckUpInterval/2 + (rand() % cm_daemonCheckUpInterval);
417 lastTokenCacheCheck = now - cm_daemonTokenCheckInterval/2 + (rand() % cm_daemonTokenCheckInterval);
418 lastBusyVolCheck = now - cm_daemonCheckOfflineVolInterval/2 * (rand() % cm_daemonCheckOfflineVolInterval);
419 if (cm_daemonPerformanceTuningInterval)
420 lastPerformanceCheck = now - cm_daemonPerformanceTuningInterval/2 * (rand() % cm_daemonPerformanceTuningInterval);
421 lastServerRankCheck = now - cm_daemonRankServerInterval/2 * (rand() % cm_daemonRankServerInterval);
423 while (daemon_ShutdownFlag == 0) {
424 if (powerStateSuspended) {
428 /* check to see if the listener threads halted due to network
429 * disconnect or other issues. If so, attempt to restart them.
431 smb_RestartListeners(0);
433 if (daemon_ShutdownFlag == 1)
436 if (configureFirewall) {
437 /* Open Microsoft Firewall to allow in port 7001 */
438 switch (icf_CheckAndAddAFSPorts(AFS_PORTSET_CLIENT)) {
440 afsi_log("Windows Firewall Configuration succeeded");
441 configureFirewall = 0;
444 afsi_log("Invalid Windows Firewall Port Set");
447 afsi_log("Unable to open Windows Firewall Profile");
450 afsi_log("Unable to create/modify Windows Firewall Port entries");
453 afsi_log("Unknown Windows Firewall Configuration error");
457 /* find out what time it is */
460 /* Determine whether an address change took place that we need to respond to */
461 if (bAddrChangeCheck)
462 bAddrChangeCheck = 0;
464 if (lastIPAddrChange != 0 && lastIPAddrChange + 2500 < now) {
465 bAddrChangeCheck = 1;
466 lastIPAddrChange = 0;
469 /* check down servers */
470 if ((bAddrChangeCheck || now > lastDownServerCheck + cm_daemonCheckDownInterval) &&
471 daemon_ShutdownFlag == 0 &&
472 powerStateSuspended == 0) {
473 lastDownServerCheck = now;
474 osi_Log0(afsd_logp, "cm_Daemon CheckDownServers");
475 cm_CheckServers(CM_FLAG_CHECKDOWNSERVERS, NULL);
476 if (daemon_ShutdownFlag == 1)
481 if (bAddrChangeCheck &&
482 daemon_ShutdownFlag == 0 &&
483 powerStateSuspended == 0)
484 cm_ForceNewConnectionsAllServers();
486 /* check up servers */
487 if ((bAddrChangeCheck || now > lastUpServerCheck + cm_daemonCheckUpInterval) &&
488 daemon_ShutdownFlag == 0 &&
489 powerStateSuspended == 0) {
490 lastUpServerCheck = now;
491 osi_Log0(afsd_logp, "cm_Daemon CheckUpServers");
492 cm_CheckServers(CM_FLAG_CHECKUPSERVERS, NULL);
493 if (daemon_ShutdownFlag == 1)
498 if (bAddrChangeCheck &&
499 daemon_ShutdownFlag == 0 &&
500 powerStateSuspended == 0) {
502 cm_VolStatus_Network_Addr_Change();
505 if (now > lastVolCheck + cm_daemonCheckVolInterval &&
506 daemon_ShutdownFlag == 0 &&
507 powerStateSuspended == 0) {
510 if (daemon_ShutdownFlag == 1)
515 /* Rank all up servers */
516 if ((now > lastServerRankCheck + cm_daemonRankServerInterval) &&
517 daemon_ShutdownFlag == 0 &&
518 powerStateSuspended == 0) {
519 lastServerRankCheck = now;
520 osi_Log0(afsd_logp, "cm_Daemon RankServer");
522 if(daemon_ShutdownFlag == 1)
527 if (cm_daemonCheckVolCBInterval &&
528 now > lastVolCBRenewalCheck + cm_daemonCheckVolCBInterval &&
529 daemon_ShutdownFlag == 0 &&
530 powerStateSuspended == 0) {
531 lastVolCBRenewalCheck = now;
532 cm_VolumeRenewROCallbacks();
533 if (daemon_ShutdownFlag == 1)
538 if ((bAddrChangeCheck || now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval) &&
539 daemon_ShutdownFlag == 0 &&
540 powerStateSuspended == 0) {
542 cm_CheckOfflineVolumes();
543 if (daemon_ShutdownFlag == 1)
548 if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval &&
549 daemon_ShutdownFlag == 0 &&
550 powerStateSuspended == 0) {
551 lastCBExpirationCheck = now;
552 cm_CheckCBExpiration();
553 if (daemon_ShutdownFlag == 1)
558 if (now > lastLockCheck + cm_daemonCheckLockInterval &&
559 daemon_ShutdownFlag == 0 &&
560 powerStateSuspended == 0) {
563 if (daemon_ShutdownFlag == 1)
568 if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval &&
569 daemon_ShutdownFlag == 0 &&
570 powerStateSuspended == 0) {
571 lastTokenCacheCheck = now;
572 cm_CheckTokenCache(now);
573 if (daemon_ShutdownFlag == 1)
578 /* allow an exit to be called prior to stopping the service */
579 hHookDll = cm_LoadAfsdHookLib();
583 AfsdDaemonHook daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
586 hookRc = daemonHook();
588 FreeLibrary(hHookDll);
593 SetEvent(WaitToTerminate);
596 if (daemon_ShutdownFlag == 1) {
602 if (cm_daemonPerformanceTuningInterval &&
603 now > lastPerformanceCheck + cm_daemonPerformanceTuningInterval &&
604 daemon_ShutdownFlag == 0 &&
605 powerStateSuspended == 0) {
606 lastPerformanceCheck = now;
607 cm_PerformanceTuningCheck();
608 if (daemon_ShutdownFlag == 1)
613 thrd_Sleep(10000); /* sleep 10 seconds */
615 thrd_SetEvent(cm_Daemon_ShutdownEvent);
618 void cm_DaemonShutdown(void)
623 daemon_ShutdownFlag = 1;
624 osi_Wakeup((LONG_PTR) &cm_bkgListp);
626 /* wait for shutdown */
627 if (cm_Daemon_ShutdownEvent)
628 code = thrd_WaitForSingleObject_Event(cm_Daemon_ShutdownEvent, INFINITE);
630 for ( i=0; i<cm_nDaemons; i++) {
631 if (cm_BkgDaemon_ShutdownEvent[i])
632 code = thrd_WaitForSingleObject_Event(cm_BkgDaemon_ShutdownEvent[i], INFINITE);
635 if (cm_IPAddrDaemon_ShutdownEvent)
636 code = thrd_WaitForSingleObject_Event(cm_IPAddrDaemon_ShutdownEvent, INFINITE);
639 void cm_InitDaemon(int nDaemons)
641 static osi_once_t once;
646 cm_nDaemons = (nDaemons > CM_MAX_DAEMONS) ? CM_MAX_DAEMONS : nDaemons;
648 if (osi_Once(&once)) {
649 lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock",
650 LOCK_HIERARCHY_DAEMON_GLOBAL);
653 /* creating IP Address Change monitor daemon */
654 phandle = thrd_Create((SecurityAttrib) 0, 0,
655 (ThreadFunc) cm_IpAddrDaemon, 0, 0, &pid, "cm_IpAddrDaemon");
656 osi_assertx(phandle != NULL, "cm_IpAddrDaemon thread creation failure");
657 thrd_CloseHandle(phandle);
659 /* creating pinging daemon */
660 phandle = thrd_Create((SecurityAttrib) 0, 0,
661 (ThreadFunc) cm_Daemon, 0, 0, &pid, "cm_Daemon");
662 osi_assertx(phandle != NULL, "cm_Daemon thread creation failure");
663 thrd_CloseHandle(phandle);
665 for(i=0; i < cm_nDaemons; i++) {
666 phandle = thrd_Create((SecurityAttrib) 0, 0,
667 (ThreadFunc) cm_BkgDaemon, (LPVOID)i, 0, &pid,
669 osi_assertx(phandle != NULL, "cm_BkgDaemon thread creation failure");
670 thrd_CloseHandle(phandle);