#include <afs/afs_args.h>
#include <afs/stds.h>
-#ifndef DJGPP
#include <windows.h>
#include <winsock2.h>
-#else
-#include <sys/socket.h>
-#endif /* !DJGPP */
#include <malloc.h>
#include <string.h>
#include <stdlib.h>
+#include "afsd.h"
#include <osi.h>
#include <rx_pthread.h>
-#include "afsd.h"
#include <WINNT/syscfg.h>
#include <WINNT/afsreg.h>
+#include <../afsrdr/kif.h>
/*extern void afsi_log(char *pattern, ...);*/
/* read/write lock for all global storage in this module */
osi_rwlock_t cm_callbackLock;
+afs_int32 cm_OfflineROIsValid = 0;
+
+afs_int32 cm_giveUpAllCBs = 0;
+
#ifdef AFS_FREELANCE_CLIENT
extern osi_mutex_t cm_Freelance_Lock;
#endif
lock_ReleaseWrite(&cm_callbackLock);
}
-#ifdef AFSIFS
-#define BUF_FILEHASH(fidp) ((((fidp)->vnode+((fidp)->unique << 13) + ((fidp)->unique >> (32-13)) \
- +(fidp)->volume+(fidp)->cell) \
- /*& 0xffffffff*/))
-#endif
-
/*
* When we lose a callback, may have to send change notification replies.
* Do not call with a lock on the scp.
HKEY hKey;
DWORD dummyLen;
- if (RegOpenKeyEx( HKEY_LOCAL_MACHINE,
+ /* why does this have to query the registry each time? */
+ if (RegOpenKeyEx( HKEY_LOCAL_MACHINE,
AFSREG_CLT_OPENAFS_SUBKEY,
0,
KEY_READ|KEY_QUERY_VALUE,
if (dwDelay)
Sleep(dwDelay);
+ /* for directories, this sends a change notification on the dir itself */
if (scp->fileType == CM_SCACHETYPE_DIRECTORY) {
#ifndef AFSIFS
if (scp->flags & CM_SCACHEFLAG_ANYWATCH)
FILE_NOTIFY_GENERIC_DIRECTORY_FILTER,
scp, NULL, NULL, TRUE);
#else
- dc_break_callback(BUF_FILEHASH(&scp->fid));
+ dc_break_callback(FID_HASH_FN(&scp->fid));
#endif
} else {
+ /* and for files, this sends a change notification on the file's parent dir */
cm_fid_t tfid;
cm_scache_t *dscp;
dscp->flags & CM_SCACHEFLAG_ANYWATCH )
smb_NotifyChange( 0,
FILE_NOTIFY_GENERIC_FILE_FILTER,
- dscp, NULL, NULL, TRUE);
+ dscp, NULL, NULL, TRUE);
#else
if (dscp)
- dc_break_callback(BUF_FILEHASH(&dscp->fid));
+ dc_break_callback(FID_HASH_FN(&dscp->fid));
#endif
if (dscp)
cm_ReleaseSCache(dscp);
*
* The callp parameter is currently unused.
*/
-void cm_RevokeCallback(struct rx_call *callp, AFSFid *fidp)
+void cm_RevokeCallback(struct rx_call *callp, cm_cell_t * cellp, AFSFid *fidp)
{
cm_fid_t tfid;
cm_scache_t *scp;
/* do all in the hash bucket, since we don't know how many we'll find with
* varying cells.
*/
- for (scp = cm_data.hashTablep[hash]; scp; scp=scp->nextp) {
+ for (scp = cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
if (scp->fid.volume == tfid.volume &&
scp->fid.vnode == tfid.vnode &&
scp->fid.unique == tfid.unique &&
+ (cellp == NULL || scp->fid.cell == cellp->cellID) &&
scp->cbExpires > 0 &&
scp->cbServerp != NULL)
{
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- osi_Log4(afsd_logp, "RevokeCallback Discarding SCache scp 0x%x vol %u vn %u uniq %u",
+ osi_Log4(afsd_logp, "RevokeCallback Discarding SCache scp 0x%p vol %u vn %u uniq %u",
scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
+
lock_ObtainMutex(&scp->mx);
cm_DiscardSCache(scp);
lock_ReleaseMutex(&scp->mx);
+
cm_CallbackNotifyChange(scp);
+
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
}
*
* Called with no locks held.
*/
-void cm_RevokeVolumeCallback(struct rx_call *callp, AFSFid *fidp)
+void cm_RevokeVolumeCallback(struct rx_call *callp, cm_cell_t *cellp, AFSFid *fidp)
{
- long hash;
+ unsigned long hash;
cm_scache_t *scp;
cm_fid_t tfid;
tfid.volume = fidp->Volume;
cm_RecordRacingRevoke(&tfid, CM_RACINGFLAG_CANCELVOL);
-
lock_ObtainWrite(&cm_scacheLock);
- for (hash = 0; hash < cm_data.hashTableSize; hash++) {
- for(scp=cm_data.hashTablep[hash]; scp; scp=scp->nextp) {
+ for (hash = 0; hash < cm_data.scacheHashTableSize; hash++) {
+ for(scp=cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
if (scp->fid.volume == fidp->Volume &&
+ (cellp == NULL || scp->fid.cell == cellp->cellID) &&
scp->cbExpires > 0 &&
scp->cbServerp != NULL) {
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
+
lock_ObtainMutex(&scp->mx);
- osi_Log4(afsd_logp, "RevokeVolumeCallback Discarding SCache scp 0x%x vol %u vn %u uniq %u",
+ osi_Log4(afsd_logp, "RevokeVolumeCallback Discarding SCache scp 0x%p vol %u vn %u uniq %u",
scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
cm_DiscardSCache(scp);
lock_ReleaseMutex(&scp->mx);
+
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
+
+ if (scp->flags & CM_SCACHEFLAG_PURERO && scp->volp) {
+ scp->volp->cbExpiresRO = 0;
+ }
+
}
} /* search one hash bucket */
} /* search all hash buckets */
struct rx_peer *peerp;
unsigned long host = 0;
unsigned short port = 0;
+ cm_server_t *tsp = NULL;
+ cm_cell_t* cellp = NULL;
MUTEX_ENTER(&callp->lock);
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
port = rx_PortOf(peerp);
+
+ tsp = cm_FindServerByIP(host, CM_SERVER_FILE);
+ if (tsp)
+ cellp = tsp->cellp;
+
+ if (!cellp)
+ osi_Log2(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+ else
+ osi_Log3(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d for cell %s",
+ ntohl(host),
+ ntohs(port),
+ cellp->name /* does not need to be saved, doesn't change */);
+ } else {
+ osi_Log0(afsd_logp, "SRXAFSCB_CallBack from unknown host");
}
- osi_Log2(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d",
- ntohl(host),
- ntohs(port));
for (i=0; i < (long) fidsArrayp->AFSCBFids_len; i++) {
tfidp = &fidsArrayp->AFSCBFids_val[i];
if (tfidp->Volume == 0)
continue; /* means don't do anything */
else if (tfidp->Vnode == 0)
- cm_RevokeVolumeCallback(callp, tfidp);
+ cm_RevokeVolumeCallback(callp, cellp, tfidp);
else
- cm_RevokeCallback(callp, tfidp);
+ cm_RevokeCallback(callp, cellp, tfidp);
}
MUTEX_EXIT(&callp->lock);
struct sockaddr_in taddr;
cm_server_t *tsp;
cm_scache_t *scp;
- int hash;
+ afs_uint32 hash;
int discarded;
struct rx_connection *connp;
struct rx_peer *peerp;
* are "rare," hopefully this won't be a problem.
*/
lock_ObtainWrite(&cm_scacheLock);
- for (hash = 0; hash < cm_data.hashTableSize; hash++) {
- for (scp=cm_data.hashTablep[hash]; scp; scp=scp->nextp) {
+ for (hash = 0; hash < cm_data.scacheHashTableSize; hash++) {
+ for (scp=cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
lock_ObtainMutex(&scp->mx);
if (scp->cbExpires > 0 && scp->cbServerp != NULL) {
/* we have a callback, now decide if we should clear it */
if (scp->cbServerp == tsp || tsp == NULL) {
- osi_Log4(afsd_logp, "InitCallbackState Discarding SCache scp 0x%x vol %u vn %u uniq %u",
+ osi_Log4(afsd_logp, "InitCallbackState Discarding SCache scp 0x%p vol %u vn %u uniq %u",
scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
cm_DiscardSCache(scp);
discarded = 1;
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
+
+ if (discarded && (scp->flags & CM_SCACHEFLAG_PURERO) && scp->volp && scp->volp->cbExpiresRO != 0)
+ scp->volp->cbExpiresRO = 0;
+
} /* search one hash bucket */
} /* search all hash buckets */
lock_ReleaseWrite(&cm_scacheLock);
- /* we're done with the server structure */
- if (tsp)
+ if (tsp) {
+ /* reset the No flags on the server */
+ cm_SetServerNo64Bit(tsp, 0);
+ cm_SetServerNoInlineBulk(tsp, 0);
+
+ /* we're done with the server structure */
cm_PutServer(tsp);
+ }
}
MUTEX_EXIT(&callp->lock);
return 0;
int
SRXAFSCB_GetCE(struct rx_call *callp, long index, AFSDBCacheEntry *cep)
{
- int i;
+ afs_uint32 i;
cm_scache_t * scp;
int code;
struct rx_connection *connp;
ntohl(host), ntohs(port));
lock_ObtainRead(&cm_scacheLock);
- for (i = 0; i < cm_data.hashTableSize; i++) {
- for (scp = cm_data.hashTablep[i]; scp; scp = scp->nextp) {
+ for (i = 0; i < cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp = scp->nextp) {
if (index == 0)
goto searchDone;
index--;
cep->lock.pid_writer = 0;
cep->lock.src_indicator = 0;
cep->Length = scp->length.LowPart;
- cep->DataVersion = scp->dataVersion;
+ cep->DataVersion = (afs_uint32)(scp->dataVersion & 0xFFFFFFFF);
cep->callback = afs_data_pointer_to_int32(scp->cbServerp);
- cep->cbExpires = scp->cbExpires;
+ if (scp->flags & CM_SCACHEFLAG_PURERO && scp->volp)
+ cep->cbExpires = scp->volp->cbExpiresRO;
+ else
+ cep->cbExpires = scp->cbExpires;
cep->refCount = scp->refCount;
cep->opens = scp->openReads;
cep->writers = scp->openWrites;
int
SRXAFSCB_GetCE64(struct rx_call *callp, long index, AFSDBCacheEntry64 *cep)
{
- int i;
+ afs_uint32 i;
cm_scache_t * scp;
int code;
struct rx_connection *connp;
ntohl(host), ntohs(port));
lock_ObtainRead(&cm_scacheLock);
- for (i = 0; i < cm_data.hashTableSize; i++) {
- for (scp = cm_data.hashTablep[i]; scp; scp = scp->nextp) {
+ for (i = 0; i < cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp = scp->nextp) {
if (index == 0)
goto searchDone;
index--;
cep->Length.high = scp->length.HighPart;
cep->Length.low = scp->length.LowPart;
#else
- cep->Length = ((afs_int64)scp->length.HighPart)<<32 | scp->length.LowPart;
+ cep->Length = (afs_int64) scp->length.QuadPart;
#endif
- cep->DataVersion = scp->dataVersion;
+ cep->DataVersion = (afs_uint32)(scp->dataVersion & 0xFFFFFFFF);
cep->callback = afs_data_pointer_to_int32(scp->cbServerp);
- cep->cbExpires = scp->cbExpires;
+ if (scp->flags & CM_SCACHEFLAG_PURERO && scp->volp)
+ cep->cbExpires = scp->volp->cbExpiresRO;
+ else
+ cep->cbExpires = scp->cbExpires;
cep->refCount = scp->refCount;
cep->opens = scp->openReads;
cep->writers = scp->openWrites;
dataBytes = 1 * sizeof(afs_int32);
dataBuffP = (afs_int32 *) osi_Alloc(dataBytes);
- dataBuffP[0] = CAPABILITY_ERRORTRANS;
+ dataBuffP[0] = CLIENT_CAPABILITY_ERRORTRANS;
capabilities->Capabilities_len = dataBytes / sizeof(afs_int32);
capabilities->Capabilities_val = dataBuffP;
afs_MarshallCacheConfig(callerVersion, &cm_initParams, t_config);
*serverVersion = AFS_CLIENT_RETRIEVAL_FIRST_EDITION;
- *configCount = allocsize;
+#ifdef DEBUG
+#ifndef SIZE_MAX
+#define SIZE_MAX UINT_MAX
+#endif
+ osi_assertx(allocsize < SIZE_MAX, "allocsize >= SIZE_MAX");
+#endif
+ *configCount = (afs_uint32)allocsize;
config->cacheConfig_val = t_config;
- config->cacheConfig_len = allocsize/sizeof(afs_uint32);
+ config->cacheConfig_len = (*configCount)/sizeof(afs_uint32);
MUTEX_EXIT(&callp->lock);
return 0;
}
#endif
- if (scp->cbServerp != NULL)
+ if (scp->cbServerp != NULL) {
return 1;
- else
+ } else if (cm_OfflineROIsValid) {
+ switch (cm_GetVolumeStatus(scp->volp, scp->fid.volume)) {
+ case vl_offline:
+ case vl_alldown:
+ case vl_unknown:
+ return 1;
+ default:
+ return 0;
+ }
+ } else {
return 0;
+ }
}
/* need to detect a broken callback that races with our obtaining a callback.
lock_ObtainWrite(&cm_callbackLock);
cbrp->callbackCount = cm_callbackCount;
cm_activeCallbackGrantingCalls++;
- cbrp->startTime = osi_Time();
+ cbrp->startTime = time(NULL);
cbrp->serverp = NULL;
lock_ReleaseWrite(&cm_callbackLock);
}
cm_racingRevokes_t *revp; /* where we are */
cm_racingRevokes_t *nrevp; /* where we'll be next */
int freeFlag;
- cm_server_t * serverp = 0;
- int discardScp = 0;
+ cm_server_t * serverp = NULL;
+ int discardScp = 0, discardVolCB = 0;
lock_ObtainWrite(&cm_callbackLock);
if (flags & CM_CALLBACK_MAINTAINCOUNT) {
- osi_assert(cm_activeCallbackGrantingCalls > 0);
+ osi_assertx(cm_activeCallbackGrantingCalls > 0,
+ "CM_CALLBACK_MAINTAINCOUNT && cm_activeCallbackGrantingCalls == 0");
}
else {
- osi_assert(cm_activeCallbackGrantingCalls-- > 0);
+ osi_assertx(cm_activeCallbackGrantingCalls-- > 0,
+ "!CM_CALLBACK_MAINTAINCOUNT && cm_activeCallbackGrantingCalls == 0");
}
if (cm_activeCallbackGrantingCalls == 0)
freeFlag = 1;
serverp = cbrp->serverp;
}
scp->cbExpires = cbrp->startTime + cbp->ExpirationTime;
+ if (scp->flags & CM_SCACHEFLAG_PURERO && scp->volp)
+ scp->volp->cbExpiresRO = scp->cbExpires;
} else {
if (freeFlag)
serverp = cbrp->serverp;
(revp->flags & CM_RACINGFLAG_CANCELALL))) {
/* this one matches */
osi_Log4(afsd_logp,
- "Racing revoke scp 0x%x old cbc %d rev cbc %d cur cbc %d",
+ "Racing revoke scp 0x%p old cbc %d rev cbc %d cur cbc %d",
scp,
cbrp->callbackCount, revp->callbackCount,
cm_callbackCount);
discardScp = 1;
+
+ if ((scp->flags & CM_SCACHEFLAG_PURERO) && scp->volp &&
+ (revp->flags & (CM_RACINGFLAG_CANCELVOL | CM_RACINGFLAG_CANCELALL)))
+ scp->volp->cbExpiresRO = 0;
}
if (freeFlag)
free(revp);
lock_ReleaseMutex(&scp->mx);
cm_CallbackNotifyChange(scp);
lock_ObtainMutex(&scp->mx);
- }
+ }
if ( serverp ) {
lock_ObtainWrite(&cm_serverLock);
long cm_GetCallback(cm_scache_t *scp, struct cm_user *userp,
struct cm_req *reqp, long flags)
{
- long code;
- cm_conn_t *connp;
+ long code = 0;
+ cm_conn_t *connp = NULL;
AFSFetchStatus afsStatus;
AFSVolSync volSync;
AFSCallBack callback;
AFSFid tfid;
cm_callbackRequest_t cbr;
int mustCall;
- long sflags;
cm_fid_t sfid;
- struct rx_connection * callp;
+ struct rx_connection * callp = NULL;
+ int syncop_done = 0;
- osi_Log4(afsd_logp, "GetCallback scp 0x%x cell %d vol %d flags %lX",
+ osi_Log4(afsd_logp, "GetCallback scp 0x%p cell %d vol %d flags %lX",
scp, scp->fid.cell, scp->fid.volume, flags);
#ifdef AFS_FREELANCE_CLIENT
lock_ReleaseMutex(&cm_Freelance_Lock);
// Fetch the status info
- cm_MergeStatus(scp, &afsStatus, &volSync, userp, 0);
+ cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, 0);
// Indicate that the callback is not done
lock_ObtainMutex(&cm_Freelance_Lock);
mustCall = (flags & 1);
cm_AFSFidFromFid(&tfid, &scp->fid);
while (1) {
- if (!mustCall && cm_HaveCallback(scp)) {
- osi_Log3(afsd_logp, "GetCallback Complete scp 0x%x cell %d vol %d",
- scp, scp->fid.cell, scp->fid.volume);
- return 0;
- }
+ if (!mustCall && cm_HaveCallback(scp))
+ break;
/* turn off mustCall, since it has now forced us past the check above */
mustCall = 0;
/* otherwise, we have to make an RPC to get the status */
- sflags = CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK;
- cm_SyncOp(scp, NULL, NULL, NULL, 0, sflags);
+ if (!syncop_done) {
+ code = cm_SyncOp(scp, NULL, userp, reqp, 0,
+ CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK);
+ if (code)
+ break;
+ syncop_done = 1;
+ }
cm_StartCallbackGrantingCall(scp, &cbr);
sfid = scp->fid;
lock_ReleaseMutex(&scp->mx);
/* now make the RPC */
- osi_Log4(afsd_logp, "CALL FetchStatus scp 0x%x cell %d vol %d uniq %d",
- (long) scp, scp->fid.cell, scp->fid.volume, scp->fid.unique);
+ osi_Log4(afsd_logp, "CALL FetchStatus scp 0x%p vol %u vn %u uniq %u",
+ scp, sfid.volume, sfid.vnode, sfid.unique);
do {
- code = cm_Conn(&sfid, userp, reqp, &connp);
+ code = cm_ConnFromFID(&sfid, userp, reqp, &connp);
if (code)
continue;
&cbr, code));
code = cm_MapRPCError(code, reqp);
if (code)
- osi_Log4(afsd_logp, "CALL FetchStatus FAILURE code 0x%x scp 0x%x cell %d vol %d",
- code, (long) scp, scp->fid.cell, scp->fid.volume);
+ osi_Log4(afsd_logp, "CALL FetchStatus FAILURE code 0x%x scp 0x%p vol %u vn %u",
+ code, scp, scp->fid.volume, scp->fid.vnode);
else
- osi_Log4(afsd_logp, "CALL FetchStatus SUCCESS scp 0x%x cell %d vol %d uniq %d",
- (long) scp, scp->fid.cell, scp->fid.volume, scp->fid.unique);
+ osi_Log4(afsd_logp, "CALL FetchStatus SUCCESS scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
lock_ObtainMutex(&scp->mx);
if (code == 0) {
cm_EndCallbackGrantingCall(scp, &cbr, &callback, 0);
- cm_MergeStatus(scp, &afsStatus, &volSync, userp, 0);
+ cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, 0);
} else {
cm_EndCallbackGrantingCall(NULL, &cbr, NULL, 0);
}
- cm_SyncOpDone(scp, NULL, sflags);
-
- /* now check to see if we got an error */
- if (code) {
- osi_Log2(afsd_logp, "GetCallback Failed code 0x%x scp 0x%x -->",code, scp);
- osi_Log4(afsd_logp, " cell %d vol %d vn %d uniq %d",
- scp->fid.cell, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
- return code;
- }
+
+ /* if we got an error, return to caller */
+ if (code)
+ break;
+ }
+
+ if (syncop_done)
+ cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK);
+
+ if (code) {
+ osi_Log2(afsd_logp, "GetCallback Failed code 0x%x scp 0x%p -->",code, scp);
+ osi_Log4(afsd_logp, " cell %u vol %u vn %u uniq %u",
+ scp->fid.cell, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
+ } else {
+ osi_Log3(afsd_logp, "GetCallback Complete scp 0x%p cell %d vol %d",
+ scp, scp->fid.cell, scp->fid.volume);
+ }
+
+ return code;
+}
+
+
+/* called with cm_scacheLock held */
+long cm_CBServersUp(cm_scache_t *scp, time_t * downTime)
+{
+ cm_vol_state_t *statep;
+ cm_volume_t * volp = scp->volp;
+ afs_uint32 volID = scp->fid.volume;
+ cm_serverRef_t *tsrp;
+ int found;
+
+ *downTime = 0;
+
+ if (scp->cbServerp == NULL)
+ return 1;
+
+ if (volp->rw.ID == volID) {
+ statep = &volp->rw;
+ } else if (volp->ro.ID == volID) {
+ statep = &volp->ro;
+ } else if (volp->bk.ID == volID) {
+ statep = &volp->bk;
+ }
+
+ if (statep->state == vl_online)
+ return 1;
+
+ for (found = 0,tsrp = statep->serversp; tsrp; tsrp=tsrp->next) {
+ if (tsrp->server == scp->cbServerp)
+ found = 1;
+ if (tsrp->server->downTime > *downTime)
+ *downTime = tsrp->server->downTime;
}
+
+ /* if the cbServerp does not match the current volume server list
+ * we report the callback server as up so the callback can be
+ * expired.
+ */
+ return(found ? 0 : 1);
}
/* called periodically by cm_daemon to shut down use of expired callbacks */
void cm_CheckCBExpiration(void)
{
- int i;
+ afs_uint32 i;
cm_scache_t *scp;
- unsigned long now;
+ time_t now, downTime;
osi_Log0(afsd_logp, "CheckCBExpiration");
- now = osi_Time();
+ now = time(NULL);
lock_ObtainWrite(&cm_scacheLock);
- for (i=0; i<cm_data.hashTableSize; i++) {
- for (scp = cm_data.hashTablep[i]; scp; scp=scp->nextp) {
- cm_HoldSCacheNoLock(scp);
- if (scp->cbExpires > 0 && (scp->cbServerp == NULL || now > scp->cbExpires)) {
+ for (i=0; i<cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp=scp->nextp) {
+ downTime = 0;
+ if (scp->flags & CM_SCACHEFLAG_PURERO && scp->volp) {
+ if (scp->volp->cbExpiresRO > scp->cbExpires && scp->cbExpires > 0)
+ scp->cbExpires = scp->volp->cbExpiresRO;
+ }
+
+ if (scp->cbServerp && scp->cbExpires > 0 && now > scp->cbExpires &&
+ (cm_CBServersUp(scp, &downTime) || downTime == 0 || downTime >= scp->cbExpires))
+ {
+ cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- osi_Log4(afsd_logp, "Callback Expiration Discarding SCache scp 0x%x vol %u vn %u uniq %u",
+
+ osi_Log4(afsd_logp, "Callback Expiration Discarding SCache scp 0x%p vol %u vn %u uniq %u",
scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
lock_ObtainMutex(&scp->mx);
cm_DiscardSCache(scp);
lock_ReleaseMutex(&scp->mx);
cm_CallbackNotifyChange(scp);
+
+ cm_ReleaseSCacheNoLock(scp);
lock_ObtainWrite(&cm_scacheLock);
}
- cm_ReleaseSCacheNoLock(scp);
}
}
lock_ReleaseWrite(&cm_scacheLock);
osi_Log0(afsd_logp, "CheckCBExpiration Complete");
}
+
+void
+cm_GiveUpAllCallbacks(cm_server_t *tsp, afs_int32 markDown)
+{
+ long code;
+ cm_conn_t *connp;
+ struct rx_connection * rxconnp;
+
+ if ((tsp->type == CM_SERVER_FILE) && !(tsp->flags & CM_SERVERFLAG_DOWN))
+ {
+ code = cm_ConnByServer(tsp, cm_rootUserp, &connp);
+ if (code == 0) {
+ rxconnp = cm_GetRxConn(connp);
+ rx_SetConnDeadTime(rxconnp, 10);
+ code = RXAFS_GiveUpAllCallBacks(rxconnp);
+ rx_SetConnDeadTime(rxconnp, ConnDeadtimeout);
+ rx_PutConnection(rxconnp);
+ }
+
+ if (markDown) {
+ cm_server_vols_t * tsrvp;
+ cm_volume_t * volp;
+ int i;
+
+ lock_ObtainMutex(&tsp->mx);
+ if (!(tsp->flags & CM_SERVERFLAG_DOWN)) {
+ tsp->flags |= CM_SERVERFLAG_DOWN;
+ tsp->downTime = osi_Time();
+ }
+ cm_ForceNewConnections(tsp);
+ /* Now update the volume status */
+ for (tsrvp = tsp->vols; tsrvp; tsrvp = tsrvp->nextp) {
+ for (i=0; i<NUM_SERVER_VOLS; i++) {
+ if (tsrvp->ids[i] != 0) {
+ cm_req_t req;
+
+ cm_InitReq(&req);
+
+ code = cm_GetVolumeByID(tsp->cellp, tsrvp->ids[i], cm_rootUserp,
+ &req, CM_GETVOL_FLAG_NO_LRU_UPDATE, &volp);
+ if (code == 0) {
+ cm_UpdateVolumeStatus(volp, tsrvp->ids[i]);
+ cm_PutVolume(volp);
+ }
+ }
+ }
+ }
+ lock_ReleaseMutex(&tsp->mx);
+ }
+ }
+}
+
+void
+cm_GiveUpAllCallbacksAllServers(afs_int32 markDown)
+{
+ cm_server_t *tsp;
+
+ if (!cm_giveUpAllCBs)
+ return;
+
+ lock_ObtainWrite(&cm_serverLock);
+ for (tsp = cm_allServersp; tsp; tsp = tsp->allNextp) {
+ cm_GetServerNoLock(tsp);
+ lock_ReleaseWrite(&cm_serverLock);
+ cm_GiveUpAllCallbacks(tsp, markDown);
+ lock_ObtainWrite(&cm_serverLock);
+ cm_PutServerNoLock(tsp);
+ }
+ lock_ReleaseWrite(&cm_serverLock);
+}
+
+
git://git.openafs.org / openafs.git / blobdiff