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);
67 void cm_BkgDaemon(long parm)
72 rx_StartClientThread();
74 lock_ObtainWrite(&cm_daemonLock);
75 while (daemon_ShutdownFlag == 0) {
76 if (!cm_bkgListEndp) {
77 osi_SleepW((LONG_PTR)&cm_bkgListp, &cm_daemonLock);
78 lock_ObtainWrite(&cm_daemonLock);
82 /* we found a request */
83 for (rp = cm_bkgListEndp; rp; rp = (cm_bkgRequest_t *) osi_QPrev(&rp->q))
85 if (cm_ServerAvailable(&rp->scp->fid, rp->userp))
89 /* we couldn't find a request that we could process at the current time */
90 lock_ReleaseWrite(&cm_daemonLock);
92 lock_ObtainWrite(&cm_daemonLock);
96 osi_QRemoveHT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **) &cm_bkgListEndp, &rp->q);
97 osi_assert(cm_bkgQueueCount-- > 0);
98 lock_ReleaseWrite(&cm_daemonLock);
100 osi_Log1(afsd_logp,"cm_BkgDaemon processing request 0x%p", rp);
102 #ifdef DEBUG_REFCOUNT
103 osi_Log2(afsd_logp,"cm_BkgDaemon (before) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
105 code = (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp);
106 #ifdef DEBUG_REFCOUNT
107 osi_Log2(afsd_logp,"cm_BkgDaemon (after) scp 0x%x ref %d",rp->scp, rp->scp->refCount);
110 cm_ReleaseUser(rp->userp);
111 cm_ReleaseSCache(rp->scp);
115 lock_ObtainWrite(&cm_daemonLock);
118 case 0: /* success */
119 osi_Log1(afsd_logp,"cm_BkgDaemon SUCCESS: request 0x%p", rp);
121 case CM_ERROR_TIMEDOUT: /* or server restarting */
123 case CM_ERROR_WOULDBLOCK:
124 case CM_ERROR_ALLBUSY:
125 case CM_ERROR_ALLDOWN:
126 case CM_ERROR_ALLOFFLINE:
127 case CM_ERROR_PARTIALWRITE:
128 osi_Log2(afsd_logp,"cm_BkgDaemon re-queueing failed request 0x%p code 0x%x",
131 osi_QAddT((osi_queue_t **) &cm_bkgListp, (osi_queue_t **)&cm_bkgListEndp, &rp->q);
134 osi_Log2(afsd_logp,"cm_BkgDaemon FAILED: request dropped 0x%p code 0x%x",
138 lock_ReleaseWrite(&cm_daemonLock);
141 void cm_QueueBKGRequest(cm_scache_t *scp, cm_bkgProc_t *procp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
146 rp = malloc(sizeof(*rp));
147 memset(rp, 0, sizeof(*rp));
159 lock_ObtainWrite(&cm_daemonLock);
161 osi_QAdd((osi_queue_t **) &cm_bkgListp, &rp->q);
164 lock_ReleaseWrite(&cm_daemonLock);
166 osi_Wakeup((LONG_PTR) &cm_bkgListp);
170 IsWindowsFirewallPresent(void)
175 BOOLEAN result = FALSE;
176 LPQUERY_SERVICE_CONFIG pConfig = NULL;
180 /* Open services manager */
181 scm = OpenSCManager(NULL, NULL, GENERIC_READ);
182 if (!scm) return FALSE;
184 /* Open Windows Firewall service */
185 svc = OpenService(scm, "MpsSvc", SERVICE_QUERY_CONFIG);
187 afsi_log("MpsSvc Service could not be opened for query: 0x%x", GetLastError());
188 svc = OpenService(scm, "SharedAccess", SERVICE_QUERY_CONFIG);
190 afsi_log("SharedAccess Service could not be opened for query: 0x%x", GetLastError());
195 /* Query Windows Firewall service config, first just to get buffer size */
196 /* Expected to fail, so don't test return value */
197 (void) QueryServiceConfig(svc, NULL, 0, &BufSize);
198 status = GetLastError();
199 if (status != ERROR_INSUFFICIENT_BUFFER)
202 /* Allocate buffer */
203 pConfig = (LPQUERY_SERVICE_CONFIG)GlobalAlloc(GMEM_FIXED,BufSize);
207 /* Query Windows Firewall service config, this time for real */
208 flag = QueryServiceConfig(svc, pConfig, BufSize, &BufSize);
210 afsi_log("QueryServiceConfig failed: 0x%x", GetLastError());
214 /* Is it autostart? */
215 afsi_log("AutoStart 0x%x", pConfig->dwStartType);
216 if (pConfig->dwStartType < SERVICE_DEMAND_START)
222 CloseServiceHandle(svc);
224 CloseServiceHandle(scm);
230 cm_DaemonCheckInit(void)
237 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
238 0, KEY_QUERY_VALUE, &parmKey);
242 dummyLen = sizeof(DWORD);
243 code = RegQueryValueEx(parmKey, "daemonCheckDownInterval", NULL, NULL,
244 (BYTE *) &dummy, &dummyLen);
245 if (code == ERROR_SUCCESS)
246 cm_daemonCheckDownInterval = dummy;
247 afsi_log("daemonCheckDownInterval is %d", cm_daemonCheckDownInterval);
249 dummyLen = sizeof(DWORD);
250 code = RegQueryValueEx(parmKey, "daemonCheckUpInterval", NULL, NULL,
251 (BYTE *) &dummy, &dummyLen);
252 if (code == ERROR_SUCCESS)
253 cm_daemonCheckUpInterval = dummy;
254 afsi_log("daemonCheckUpInterval is %d", cm_daemonCheckUpInterval);
256 dummyLen = sizeof(DWORD);
257 code = RegQueryValueEx(parmKey, "daemonCheckVolInterval", NULL, NULL,
258 (BYTE *) &dummy, &dummyLen);
259 if (code == ERROR_SUCCESS)
260 cm_daemonCheckVolInterval = dummy;
261 afsi_log("daemonCheckVolInterval is %d", cm_daemonCheckVolInterval);
263 dummyLen = sizeof(DWORD);
264 code = RegQueryValueEx(parmKey, "daemonCheckCBInterval", NULL, NULL,
265 (BYTE *) &dummy, &dummyLen);
266 if (code == ERROR_SUCCESS)
267 cm_daemonCheckCBInterval = dummy;
268 afsi_log("daemonCheckCBInterval is %d", cm_daemonCheckCBInterval);
270 dummyLen = sizeof(DWORD);
271 code = RegQueryValueEx(parmKey, "daemonCheckLockInterval", NULL, NULL,
272 (BYTE *) &dummy, &dummyLen);
273 if (code == ERROR_SUCCESS)
274 cm_daemonCheckLockInterval = dummy;
275 afsi_log("daemonCheckLockInterval is %d", cm_daemonCheckLockInterval);
277 dummyLen = sizeof(DWORD);
278 code = RegQueryValueEx(parmKey, "daemonCheckTokenInterval", NULL, NULL,
279 (BYTE *) &dummy, &dummyLen);
280 if (code == ERROR_SUCCESS)
281 cm_daemonTokenCheckInterval = dummy;
282 afsi_log("daemonCheckTokenInterval is %d", cm_daemonTokenCheckInterval);
284 dummyLen = sizeof(DWORD);
285 code = RegQueryValueEx(parmKey, "daemonCheckOfflineVolInterval", NULL, NULL,
286 (BYTE *) &dummy, &dummyLen);
287 if (code == ERROR_SUCCESS)
288 cm_daemonCheckOfflineVolInterval = dummy;
289 afsi_log("daemonCheckOfflineVolInterval is %d", cm_daemonCheckOfflineVolInterval);
291 RegCloseKey(parmKey);
294 /* periodic check daemon */
295 void cm_Daemon(long parm)
298 time_t lastLockCheck;
300 time_t lastCBExpirationCheck;
301 time_t lastDownServerCheck;
302 time_t lastUpServerCheck;
303 time_t lastTokenCacheCheck;
304 time_t lastBusyVolCheck;
309 int configureFirewall = IsWindowsFirewallPresent();
311 if (!configureFirewall) {
312 afsi_log("No Windows Firewall detected");
315 /* ping all file servers, up or down, with unauthenticated connection,
316 * to find out whether we have all our callbacks from the server still.
317 * Also, ping down VLDBs.
320 * Seed the random number generator with our own address, so that
321 * clients starting at the same time don't all do vol checks at the
324 gethostname(thostName, sizeof(thostName));
325 thp = gethostbyname(thostName);
326 if (thp == NULL) /* In djgpp, gethostname returns the netbios
327 name of the machine. gethostbyname will fail
328 looking this up if it differs from DNS name. */
331 memcpy(&code, thp->h_addr_list[0], 4);
335 cm_DaemonCheckInit();
338 lastVolCheck = now - cm_daemonCheckVolInterval/2 + (rand() % cm_daemonCheckVolInterval);
339 lastCBExpirationCheck = now - cm_daemonCheckCBInterval/2 + (rand() % cm_daemonCheckCBInterval);
340 lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
341 lastDownServerCheck = now - cm_daemonCheckDownInterval/2 + (rand() % cm_daemonCheckDownInterval);
342 lastUpServerCheck = now - cm_daemonCheckUpInterval/2 + (rand() % cm_daemonCheckUpInterval);
343 lastTokenCacheCheck = now - cm_daemonTokenCheckInterval/2 + (rand() % cm_daemonTokenCheckInterval);
344 lastBusyVolCheck = now - cm_daemonCheckOfflineVolInterval/2 * (rand() % cm_daemonCheckOfflineVolInterval);
346 while (daemon_ShutdownFlag == 0) {
347 /* check to see if the listener threads halted due to network
348 * disconnect or other issues. If so, attempt to restart them.
350 smb_RestartListeners();
352 if (configureFirewall) {
353 /* Open Microsoft Firewall to allow in port 7001 */
354 switch (icf_CheckAndAddAFSPorts(AFS_PORTSET_CLIENT)) {
356 afsi_log("Windows Firewall Configuration succeeded");
357 configureFirewall = 0;
360 afsi_log("Invalid Windows Firewall Port Set");
363 afsi_log("Unable to open Windows Firewall Profile");
366 afsi_log("Unable to create/modify Windows Firewall Port entries");
369 afsi_log("Unknown Windows Firewall Configuration error");
373 /* find out what time it is */
376 /* check down servers */
377 if (now > lastDownServerCheck + cm_daemonCheckDownInterval) {
378 lastDownServerCheck = now;
379 osi_Log0(afsd_logp, "cm_Daemon CheckDownServers");
380 cm_CheckServers(CM_FLAG_CHECKDOWNSERVERS, NULL);
384 /* check up servers */
385 if (now > lastUpServerCheck + cm_daemonCheckUpInterval) {
386 lastUpServerCheck = now;
387 osi_Log0(afsd_logp, "cm_Daemon CheckUpServers");
388 cm_CheckServers(CM_FLAG_CHECKUPSERVERS, NULL);
392 if (now > lastVolCheck + cm_daemonCheckVolInterval) {
398 if (now > lastBusyVolCheck + cm_daemonCheckOfflineVolInterval) {
400 cm_CheckOfflineVolumes();
404 if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval) {
405 lastCBExpirationCheck = now;
406 cm_CheckCBExpiration();
410 if (now > lastLockCheck + cm_daemonCheckLockInterval) {
416 if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval) {
417 lastTokenCacheCheck = now;
418 cm_CheckTokenCache(now);
422 /* allow an exit to be called prior to stopping the service */
423 hHookDll = LoadLibrary(AFSD_HOOK_DLL);
427 AfsdDaemonHook daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
430 hookRc = daemonHook();
432 FreeLibrary(hHookDll);
437 SetEvent(WaitToTerminate);
441 thrd_Sleep(30 * 1000); /* sleep 30 seconds */
442 if (daemon_ShutdownFlag == 1)
447 void cm_DaemonShutdown(void)
449 daemon_ShutdownFlag = 1;
452 void cm_InitDaemon(int nDaemons)
454 static osi_once_t once;
459 if (osi_Once(&once)) {
460 lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock");
463 /* creating IP Address Change monitor daemon */
464 phandle = thrd_Create((SecurityAttrib) 0, 0,
465 (ThreadFunc) cm_IpAddrDaemon, 0, 0, &pid, "cm_IpAddrDaemon");
466 osi_assert(phandle != NULL);
467 thrd_CloseHandle(phandle);
469 /* creating pinging daemon */
470 phandle = thrd_Create((SecurityAttrib) 0, 0,
471 (ThreadFunc) cm_Daemon, 0, 0, &pid, "cm_Daemon");
472 osi_assert(phandle != NULL);
473 thrd_CloseHandle(phandle);
475 for(i=0; i < nDaemons; i++) {
476 phandle = thrd_Create((SecurityAttrib) 0, 0,
477 (ThreadFunc) cm_BkgDaemon, 0, 0, &pid,
479 osi_assert(phandle != NULL);
480 thrd_CloseHandle(phandle);