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_daemonCheckLockInterval = 60;
34 long cm_daemonTokenCheckInterval = 180;
35 long cm_daemonCheckOfflineVolInterval = 600;
37 osi_rwlock_t cm_daemonLock;
39 long cm_bkgQueueCount; /* # of queued requests */
41 int cm_bkgWaitingForCount; /* true if someone's waiting for cm_bkgQueueCount to drop */
43 cm_bkgRequest_t *cm_bkgListp; /* first elt in the list of requests */
44 cm_bkgRequest_t *cm_bkgListEndp; /* last elt in the list of requests */
46 static int daemon_ShutdownFlag = 0;
48 void cm_IpAddrDaemon(long parm)
50 extern void smb_CheckVCs(void);
52 rx_StartClientThread();
54 while (daemon_ShutdownFlag == 0) {
55 DWORD Result = NotifyAddrChange(NULL,NULL);
56 if (Result == NO_ERROR && daemon_ShutdownFlag == 0) {
58 osi_Log0(afsd_logp, "cm_IpAddrDaemon CheckDownServers");
59 cm_CheckServers(CM_FLAG_CHECKVLDBSERVERS | CM_FLAG_CHECKUPSERVERS | CM_FLAG_CHECKDOWNSERVERS, NULL);
60 cm_ForceNewConnectionsAllServers();
61 cm_CheckServers(CM_FLAG_CHECKFILESERVERS | CM_FLAG_CHECKUPSERVERS | CM_FLAG_CHECKDOWNSERVERS, NULL);
63 cm_VolStatus_Network_Addr_Change();
68 void cm_BkgDaemon(long parm)
73 rx_StartClientThread();
75 lock_ObtainWrite(&cm_daemonLock);
76 while (daemon_ShutdownFlag == 0) {
77 if (!cm_bkgListEndp) {
78 osi_SleepW((LONG_PTR)&cm_bkgListp, &cm_daemonLock);
79 lock_ObtainWrite(&cm_daemonLock);
83 /* we found a request */
84 for (rp = cm_bkgListEndp; rp; rp = (cm_bkgRequest_t *) osi_QPrev(&rp->q))
86 if (cm_ServerAvailable(&rp->scp->fid, rp->userp))
90 /* we couldn't find a request that we could process at the current time */
91 lock_ReleaseWrite(&cm_daemonLock);
93 lock_ObtainWrite(&cm_daemonLock);
97 osi_QRemoveHT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **) &cm_bkgListEndp, &rp->q);
98 osi_assert(cm_bkgQueueCount-- > 0);
99 lock_ReleaseWrite(&cm_daemonLock);
101 osi_Log1(afsd_logp,"cm_BkgDaemon processing request 0x%p", rp);
103 #ifdef DEBUG_REFCOUNT
104 osi_Log2(afsd_logp,"cm_BkgDaemon (before) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
106 code = (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp);
107 #ifdef DEBUG_REFCOUNT
108 osi_Log2(afsd_logp,"cm_BkgDaemon (after) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
111 cm_ReleaseUser(rp->userp);
112 cm_ReleaseSCache(rp->scp);
116 lock_ObtainWrite(&cm_daemonLock);
119 case 0: /* success */
120 osi_Log1(afsd_logp,"cm_BkgDaemon SUCCESS: request 0x%p", rp);
122 case CM_ERROR_TIMEDOUT: /* or server restarting */
124 case CM_ERROR_WOULDBLOCK:
125 case CM_ERROR_ALLBUSY:
126 case CM_ERROR_ALLDOWN:
127 case CM_ERROR_ALLOFFLINE:
128 case CM_ERROR_PARTIALWRITE:
129 osi_Log2(afsd_logp,"cm_BkgDaemon re-queueing failed request 0x%p code 0x%x",
132 osi_QAddT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **)&cm_bkgListEndp, &rp->q);
135 osi_Log2(afsd_logp,"cm_BkgDaemon FAILED: request dropped 0x%p code 0x%x",
139 lock_ReleaseWrite(&cm_daemonLock);
142 void cm_QueueBKGRequest(cm_scache_t *scp, cm_bkgProc_t *procp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
147 rp = malloc(sizeof(*rp));
148 memset(rp, 0, sizeof(*rp));
160 lock_ObtainWrite(&cm_daemonLock);
162 osi_QAdd((osi_queue_t **) &cm_bkgListp, &rp->q);
165 lock_ReleaseWrite(&cm_daemonLock);
167 osi_Wakeup((LONG_PTR) &cm_bkgListp);
171 IsWindowsFirewallPresent(void)
176 BOOLEAN result = FALSE;
177 LPQUERY_SERVICE_CONFIG pConfig = NULL;
181 /* Open services manager */
182 scm = OpenSCManager(NULL, NULL, GENERIC_READ);
183 if (!scm) return FALSE;
185 /* Open Windows Firewall service */
186 svc = OpenService(scm, "MpsSvc", SERVICE_QUERY_CONFIG);
188 afsi_log("MpsSvc Service could not be opened for query: 0x%x", GetLastError());
189 svc = OpenService(scm, "SharedAccess", SERVICE_QUERY_CONFIG);
191 afsi_log("SharedAccess Service could not be opened for query: 0x%x", GetLastError());
196 /* Query Windows Firewall service config, first just to get buffer size */
197 /* Expected to fail, so don't test return value */
198 (void) QueryServiceConfig(svc, NULL, 0, &BufSize);
199 status = GetLastError();
200 if (status != ERROR_INSUFFICIENT_BUFFER)
203 /* Allocate buffer */
204 pConfig = (LPQUERY_SERVICE_CONFIG)GlobalAlloc(GMEM_FIXED,BufSize);
208 /* Query Windows Firewall service config, this time for real */
209 flag = QueryServiceConfig(svc, pConfig, BufSize, &BufSize);
211 afsi_log("QueryServiceConfig failed: 0x%x", GetLastError());
215 /* Is it autostart? */
216 afsi_log("AutoStart 0x%x", pConfig->dwStartType);
217 if (pConfig->dwStartType < SERVICE_DEMAND_START)
223 CloseServiceHandle(svc);
225 CloseServiceHandle(scm);
231 cm_DaemonCheckInit(void)
238 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
239 0, KEY_QUERY_VALUE, &parmKey);
243 dummyLen = sizeof(DWORD);
244 code = RegQueryValueEx(parmKey, "daemonCheckDownInterval", NULL, NULL,
245 (BYTE *) &dummy, &dummyLen);
246 if (code == ERROR_SUCCESS)
247 cm_daemonCheckDownInterval = dummy;
248 afsi_log("daemonCheckDownInterval is %d", cm_daemonCheckDownInterval);
250 dummyLen = sizeof(DWORD);
251 code = RegQueryValueEx(parmKey, "daemonCheckUpInterval", NULL, NULL,
252 (BYTE *) &dummy, &dummyLen);
253 if (code == ERROR_SUCCESS)
254 cm_daemonCheckUpInterval = dummy;
255 afsi_log("daemonCheckUpInterval is %d", cm_daemonCheckUpInterval);
257 dummyLen = sizeof(DWORD);
258 code = RegQueryValueEx(parmKey, "daemonCheckVolInterval", NULL, NULL,
259 (BYTE *) &dummy, &dummyLen);
260 if (code == ERROR_SUCCESS)
261 cm_daemonCheckVolInterval = dummy;
262 afsi_log("daemonCheckVolInterval is %d", cm_daemonCheckVolInterval);
264 dummyLen = sizeof(DWORD);
265 code = RegQueryValueEx(parmKey, "daemonCheckCBInterval", NULL, NULL,
266 (BYTE *) &dummy, &dummyLen);
267 if (code == ERROR_SUCCESS)
268 cm_daemonCheckCBInterval = dummy;
269 afsi_log("daemonCheckCBInterval is %d", cm_daemonCheckCBInterval);
271 dummyLen = sizeof(DWORD);
272 code = RegQueryValueEx(parmKey, "daemonCheckLockInterval", NULL, NULL,
273 (BYTE *) &dummy, &dummyLen);
274 if (code == ERROR_SUCCESS)
275 cm_daemonCheckLockInterval = dummy;
276 afsi_log("daemonCheckLockInterval is %d", cm_daemonCheckLockInterval);
278 dummyLen = sizeof(DWORD);
279 code = RegQueryValueEx(parmKey, "daemonCheckTokenInterval", NULL, NULL,
280 (BYTE *) &dummy, &dummyLen);
281 if (code == ERROR_SUCCESS)
282 cm_daemonTokenCheckInterval = dummy;
283 afsi_log("daemonCheckTokenInterval is %d", cm_daemonTokenCheckInterval);
285 dummyLen = sizeof(DWORD);
286 code = RegQueryValueEx(parmKey, "daemonCheckOfflineVolInterval", NULL, NULL,
287 (BYTE *) &dummy, &dummyLen);
288 if (code == ERROR_SUCCESS)
289 cm_daemonCheckOfflineVolInterval = dummy;
290 afsi_log("daemonCheckOfflineVolInterval is %d", cm_daemonCheckOfflineVolInterval);
292 RegCloseKey(parmKey);
295 /* periodic check daemon */
296 void cm_Daemon(long parm)
299 time_t lastLockCheck;
301 time_t lastCBExpirationCheck;
302 time_t lastDownServerCheck;
303 time_t lastUpServerCheck;
304 time_t lastTokenCacheCheck;
305 time_t lastBusyVolCheck;
310 int configureFirewall = IsWindowsFirewallPresent();
312 if (!configureFirewall) {
313 afsi_log("No Windows Firewall detected");
316 /* ping all file servers, up or down, with unauthenticated connection,
317 * to find out whether we have all our callbacks from the server still.
318 * Also, ping down VLDBs.
321 * Seed the random number generator with our own address, so that
322 * clients starting at the same time don't all do vol checks at the
325 gethostname(thostName, sizeof(thostName));
326 thp = gethostbyname(thostName);
327 if (thp == NULL) /* In djgpp, gethostname returns the netbios
328 name of the machine. gethostbyname will fail
329 looking this up if it differs from DNS name. */
332 memcpy(&code, thp->h_addr_list[0], 4);
336 cm_DaemonCheckInit();
339 lastVolCheck = now - cm_daemonCheckVolInterval/2 + (rand() % cm_daemonCheckVolInterval);
340 lastCBExpirationCheck = now - cm_daemonCheckCBInterval/2 + (rand() % cm_daemonCheckCBInterval);
341 lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
342 lastDownServerCheck = now - cm_daemonCheckDownInterval/2 + (rand() % cm_daemonCheckDownInterval);
343 lastUpServerCheck = now - cm_daemonCheckUpInterval/2 + (rand() % cm_daemonCheckUpInterval);
344 lastTokenCacheCheck = now - cm_daemonTokenCheckInterval/2 + (rand() % cm_daemonTokenCheckInterval);
345 lastBusyVolCheck = now - cm_daemonCheckOfflineVolInterval/2 * (rand() % cm_daemonCheckOfflineVolInterval);
347 while (daemon_ShutdownFlag == 0) {
348 /* check to see if the listener threads halted due to network
349 * disconnect or other issues. If so, attempt to restart them.
351 smb_RestartListeners();
353 if (configureFirewall) {
354 /* Open Microsoft Firewall to allow in port 7001 */
355 switch (icf_CheckAndAddAFSPorts(AFS_PORTSET_CLIENT)) {
357 afsi_log("Windows Firewall Configuration succeeded");
358 configureFirewall = 0;
361 afsi_log("Invalid Windows Firewall Port Set");
364 afsi_log("Unable to open Windows Firewall Profile");
367 afsi_log("Unable to create/modify Windows Firewall Port entries");
370 afsi_log("Unknown Windows Firewall Configuration error");
374 /* find out what time it is */
377 /* check down servers */
378 if (now > lastDownServerCheck + cm_daemonCheckDownInterval) {
379 lastDownServerCheck = now;
380 osi_Log0(afsd_logp, "cm_Daemon CheckDownServers");
381 cm_CheckServers(CM_FLAG_CHECKDOWNSERVERS, NULL);
385 /* check up servers */
386 if (now > lastUpServerCheck + cm_daemonCheckUpInterval) {
387 lastUpServerCheck = now;
388 osi_Log0(afsd_logp, "cm_Daemon CheckUpServers");
389 cm_CheckServers(CM_FLAG_CHECKUPSERVERS, NULL);
393 if (now > lastVolCheck + cm_daemonCheckVolInterval) {
399 if (now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval) {
401 cm_CheckOfflineVolumes();
405 if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval) {
406 lastCBExpirationCheck = now;
407 cm_CheckCBExpiration();
411 if (now > lastLockCheck + cm_daemonCheckLockInterval) {
417 if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval) {
418 lastTokenCacheCheck = now;
419 cm_CheckTokenCache(now);
423 /* allow an exit to be called prior to stopping the service */
424 hHookDll = LoadLibrary(AFSD_HOOK_DLL);
428 AfsdDaemonHook daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
431 hookRc = daemonHook();
433 FreeLibrary(hHookDll);
438 SetEvent(WaitToTerminate);
442 thrd_Sleep(30 * 1000); /* sleep 30 seconds */
443 if (daemon_ShutdownFlag == 1)
448 void cm_DaemonShutdown(void)
450 daemon_ShutdownFlag = 1;
453 void cm_InitDaemon(int nDaemons)
455 static osi_once_t once;
460 if (osi_Once(&once)) {
461 lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock");
464 /* creating IP Address Change monitor daemon */
465 phandle = thrd_Create((SecurityAttrib) 0, 0,
466 (ThreadFunc) cm_IpAddrDaemon, 0, 0, &pid, "cm_IpAddrDaemon");
467 osi_assert(phandle != NULL);
468 thrd_CloseHandle(phandle);
470 /* creating pinging daemon */
471 phandle = thrd_Create((SecurityAttrib) 0, 0,
472 (ThreadFunc) cm_Daemon, 0, 0, &pid, "cm_Daemon");
473 osi_assert(phandle != NULL);
474 thrd_CloseHandle(phandle);
476 for(i=0; i < nDaemons; i++) {
477 phandle = thrd_Create((SecurityAttrib) 0, 0,
478 (ThreadFunc) cm_BkgDaemon, 0, 0, &pid,
480 osi_assert(phandle != NULL);
481 thrd_CloseHandle(phandle);