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Windows: disable afsdhook.dll reload by daemon

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The daemon thread's loading and unloading of afsdhook.dll every
second prevents the disk drive from sleeping and forces a search
of the PATH.   Make the periodic reloading configurable and
disable it by default.

Change-Id: I7e1a5b2bc7e1c4d4ea39fc30cf34c1195a326ed2
Reviewed-on: http://gerrit.openafs.org/6715
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
This commit is contained in:
Jeffrey Altman 2012-02-15 00:06:47 -05:00 committed by Jeffrey Altman
parent fcc8244095
commit f38780b38d
1 changed files with 36 additions and 11 deletions
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47
src/WINNT/afsd/cm_daemon.c
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@ -41,6 +41,7 @@ long cm_daemonCheckOfflineVolInterval = 600;
long cm_daemonPerformanceTuningInterval = 0;
long cm_daemonRankServerInterval = 600;
long cm_daemonRDRShakeExtentsInterval = 0;
long cm_daemonAfsdHookReloadInterval = 0;
osi_rwlock_t *cm_daemonLockp;
afs_uint64 *cm_bkgQueueCountp; /* # of queued requests */
@ -438,6 +439,13 @@ cm_DaemonCheckInit(void)
cm_daemonRankServerInterval = dummy;
afsi_log("daemonRankServerInterval is %d", cm_daemonRankServerInterval);
dummyLen = sizeof(DWORD);
code = RegQueryValueEx(parmKey, "daemonAfsdHookReloadInterval", NULL, NULL,
(BYTE *) &dummy, &dummyLen);
if (code == ERROR_SUCCESS && dummy)
cm_daemonAfsdHookReloadInterval = dummy;
afsi_log("daemonAfsdHookReloadInterval is %d", cm_daemonAfsdHookReloadInterval);
RegCloseKey(parmKey);
if (cm_daemonPerformanceTuningInterval)
@ -496,10 +504,12 @@ void * cm_Daemon(void *vparm)
time_t lastPerformanceCheck;
time_t lastServerRankCheck;
time_t lastRDRShakeExtents;
time_t lastAfsdHookReload;
char thostName[200];
unsigned long code;
struct hostent *thp;
HMODULE hHookDll;
HMODULE hHookDll = NULL;
AfsdDaemonHook daemonHook = NULL;
char * name = "cm_Daemon_ShutdownEvent";
int configureFirewall = IsWindowsFirewallPresent();
int bAddrChangeCheck = 0;
@ -552,6 +562,12 @@ void * cm_Daemon(void *vparm)
lastServerRankCheck = now - cm_daemonRankServerInterval/2 * (rand() % cm_daemonRankServerInterval);
if (cm_daemonRDRShakeExtentsInterval)
lastRDRShakeExtents = now - cm_daemonRDRShakeExtentsInterval/2 * (rand() % cm_daemonRDRShakeExtentsInterval);
if (cm_daemonAfsdHookReloadInterval)
lastAfsdHookReload = now;
hHookDll = cm_LoadAfsdHookLib();
if (hHookDll)
daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
while (daemon_ShutdownFlag == 0) {
if (powerStateSuspended) {
@ -719,17 +735,22 @@ void * cm_Daemon(void *vparm)
}
/* 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();
if (cm_daemonAfsdHookReloadInterval &&
lastAfsdHookReload != 0 && lastAfsdHookReload < now) {
if (hHookDll) {
FreeLibrary(hHookDll);
hHookDll = NULL;
daemonHook = NULL;
}
FreeLibrary(hHookDll);
hHookDll = NULL;
hHookDll = cm_LoadAfsdHookLib();
if (hHookDll)
daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
}
if (daemonHook)
{
BOOL hookRc = daemonHook();
if (hookRc == FALSE)
{
@ -761,6 +782,10 @@ void * cm_Daemon(void *vparm)
thrd_Sleep(500);
}
if (hHookDll) {
FreeLibrary(hHookDll);
}
thrd_SetEvent(cm_Daemon_ShutdownEvent);
pthread_exit(NULL);
return NULL;