#include <WINNT/syscfg.h>
#include <WINNT/afsreg.h>
-/*extern void afsi_log(char *pattern, ...);*/
+int
+SRXAFSCB_InitCallBackState3(struct rx_call *callp, afsUUID* serverUuid);
/* read/write lock for all global storage in this module */
osi_rwlock_t cm_callbackLock;
cm_scache_t *scp;
long hash;
- /* don't bother setting cell, since we won't be checking it (to aid
- * in working with multi-homed servers: we don't know the cell if we
- * don't recognize the IP address).
- */
- tfid.cell = 0;
+ tfid.cell = cellp ? cellp->cellID : 0;
tfid.volume = fidp->Volume;
tfid.vnode = fidp->Vnode;
tfid.unique = fidp->Unique;
scp->fid.vnode == tfid.vnode &&
scp->fid.unique == tfid.unique &&
(cellp == NULL || scp->fid.cell == cellp->cellID) &&
- scp->cbExpires > 0 &&
- scp->cbServerp != NULL)
+ cm_HaveCallback(scp))
{
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
* it could complete while we're doing the scan below, and get missed
* by both the scan and by this code.
*/
- tfid.cell = tfid.vnode = tfid.unique = 0;
+ tfid.cell = cellp ? cellp->cellID : 0;
tfid.volume = fidp->Volume;
+ tfid.vnode = tfid.unique = 0;
+
cm_RecordRacingRevoke(&tfid, CM_RACINGFLAG_CANCELVOL);
lock_ObtainWrite(&cm_scacheLock);
port = rx_PortOf(peerp);
tsp = cm_FindServerByIP(host, CM_SERVER_FILE);
- if (tsp)
+ if (tsp) {
cellp = tsp->cellp;
+ cm_PutServer(tsp);
+ }
if (!cellp)
osi_Log2(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d",
int
SRXAFSCB_InitCallBackState(struct rx_call *callp)
{
- struct sockaddr_in taddr;
- cm_server_t *tsp;
- cm_scache_t *scp;
- afs_uint32 hash;
- int discarded;
- struct rx_connection *connp;
- struct rx_peer *peerp;
- unsigned long host = 0;
- unsigned short port = 0;
-
if (cm_shutdown)
return 1;
- if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
- host = rx_HostOf(peerp);
- port = rx_PortOf(peerp);
- }
-
- osi_Log2(afsd_logp, "SRXAFSCB_InitCallBackState from host 0x%x port %d",
- ntohl(host),
- ntohs(port));
-
- if ((rx_ConnectionOf(callp)) && (rx_PeerOf(rx_ConnectionOf(callp)))) {
- taddr.sin_family = AF_INET;
- taddr.sin_addr.s_addr = rx_HostOf(rx_PeerOf(rx_ConnectionOf(callp)));
+ osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState ->");
- tsp = cm_FindServer(&taddr, CM_SERVER_FILE);
-
- osi_Log1(afsd_logp, "Init Callback State server %x", tsp);
-
- /* record the callback in the racing revokes structure. This
- * shouldn't be necessary, since we shouldn't be making callback
- * granting calls while we're going to get an initstate call,
- * but there probably are some obscure races, so better safe
- * than sorry.
- *
- * We do this first since we don't hold the cm_scacheLock and vnode
- * locks over the entire callback scan operation below. The
- * big loop below is guaranteed to hit any callback already
- * processed. The call to RecordRacingRevoke is guaranteed
- * to kill any callback that is currently being returned.
- * Anything that sneaks past both must start
- * after the call to RecordRacingRevoke.
- */
- cm_RecordRacingRevoke(NULL, CM_RACINGFLAG_CANCELALL);
-
- /* now search all vnodes looking for guys with this callback, if we
- * found it, or guys with any callbacks, if we didn't find the server
- * (that's how multihomed machines will appear and how we'll handle
- * them, albeit a little inefficiently). That is, we're discarding all
- * callbacks from all hosts if we get an initstate call from an unknown
- * host. Since these calls are rare, and multihomed servers
- * are "rare," hopefully this won't be a problem.
- */
- lock_ObtainWrite(&cm_scacheLock);
- 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_ObtainWrite(&scp->rw);
- discarded = 0;
- 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%p vol %u vn %u uniq %u",
- scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
- cm_DiscardSCache(scp);
- discarded = 1;
- }
- }
- lock_ReleaseWrite(&scp->rw);
- if (discarded)
- cm_CallbackNotifyChange(scp);
- lock_ObtainWrite(&cm_scacheLock);
- cm_ReleaseSCacheNoLock(scp);
-
- if (discarded && (scp->flags & CM_SCACHEFLAG_PURERO)) {
- cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
- if (volp) {
- if (volp->cbExpiresRO != 0)
- volp->cbExpiresRO = 0;
- cm_PutVolume(volp);
- }
- }
-
- } /* search one hash bucket */
- } /* search all hash buckets */
-
- lock_ReleaseWrite(&cm_scacheLock);
-
- 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);
- }
- }
- return 0;
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
}
/*------------------------------------------------------------------------
osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState2 ->");
- return SRXAFSCB_InitCallBackState(callp);
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
}
/* debug interface */
{
char *p = NULL;
+ struct sockaddr_in taddr;
+ cm_server_t *tsp = NULL;
+ cm_scache_t *scp = NULL;
+ cm_cell_t* cellp = NULL;
+ afs_uint32 hash;
+ int discarded;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
if (cm_shutdown)
return 1;
- if (UuidToString((UUID *)serverUuid, &p) == RPC_S_OK) {
- osi_Log1(afsd_logp, "SRXAFSCB_InitCallBackState3 %s ->",osi_LogSaveString(afsd_logp,p));
- RpcStringFree(&p);
- } else
- osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState3 - no server Uuid ->");
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+
+ if (serverUuid) {
+ if (UuidToString((UUID *)serverUuid, &p) == RPC_S_OK) {
+ osi_Log1(afsd_logp, "SRXAFSCB_InitCallBackState3 Uuid%s ->",osi_LogSaveString(afsd_logp,p));
+ RpcStringFree(&p);
+ }
+
+ tsp = cm_FindServerByUuid(serverUuid, CM_SERVER_FILE);
+ }
+ if (!tsp)
+ tsp = cm_FindServerByIP(host, CM_SERVER_FILE);
+ if (tsp) {
+ cellp = tsp->cellp;
+ cm_PutServer(tsp);
+ }
+
+ if (!cellp)
+ osi_Log2(afsd_logp, "SRXAFSCB_InitCallBackState3 from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+ else
+ osi_Log3(afsd_logp, "SRXAFSCB_InitCallBackState3 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_InitCallBackState3 from unknown host");
+ }
+
+ if (connp && peerp) {
+ taddr.sin_family = AF_INET;
+ taddr.sin_addr.s_addr = rx_HostOf(rx_PeerOf(rx_ConnectionOf(callp)));
+
+ tsp = cm_FindServer(&taddr, CM_SERVER_FILE);
+
+ osi_Log1(afsd_logp, "InitCallbackState3 server %x", tsp);
+
+ /* record the callback in the racing revokes structure. This
+ * shouldn't be necessary, since we shouldn't be making callback
+ * granting calls while we're going to get an initstate call,
+ * but there probably are some obscure races, so better safe
+ * than sorry.
+ *
+ * We do this first since we don't hold the cm_scacheLock and vnode
+ * locks over the entire callback scan operation below. The
+ * big loop below is guaranteed to hit any callback already
+ * processed. The call to RecordRacingRevoke is guaranteed
+ * to kill any callback that is currently being returned.
+ * Anything that sneaks past both must start
+ * after the call to RecordRacingRevoke.
+ */
+ if (cellp) {
+ cm_fid_t fid;
+
+ fid.cell = cellp->cellID;
+ fid.volume = fid.vnode = fid.unique = 0;
+
+ cm_RecordRacingRevoke(&fid, CM_RACINGFLAG_CANCELALL);
+ } else {
+ cm_RecordRacingRevoke(NULL, CM_RACINGFLAG_CANCELALL);
+ }
+
+ /* now search all vnodes looking for guys with this callback, if we
+ * found it, or guys with any callbacks, if we didn't find the server
+ * (that's how multihomed machines will appear and how we'll handle
+ * them, albeit a little inefficiently). That is, we're discarding all
+ * callbacks from all hosts if we get an initstate call from an unknown
+ * host. Since these calls are rare, and multihomed servers
+ * are "rare," hopefully this won't be a problem.
+ */
+ lock_ObtainWrite(&cm_scacheLock);
+ 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_ObtainWrite(&scp->rw);
+ discarded = 0;
+ if (scp->cbExpires > 0 && scp->cbServerp != NULL) {
+ /* we have a callback, now decide if we should clear it */
+ if (cm_ServerEqual(scp->cbServerp, tsp)) {
+ osi_Log4(afsd_logp, "InitCallbackState3 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;
+ }
+ }
+ lock_ReleaseWrite(&scp->rw);
+ if (discarded)
+ cm_CallbackNotifyChange(scp);
+ lock_ObtainWrite(&cm_scacheLock);
+ cm_ReleaseSCacheNoLock(scp);
+
+ if (discarded && (scp->flags & CM_SCACHEFLAG_PURERO)) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ if (volp->cbExpiresRO != 0)
+ volp->cbExpiresRO = 0;
+ cm_PutVolume(volp);
+ }
+ }
+
+ } /* search one hash bucket */
+ } /* search all hash buckets */
+
+ lock_ReleaseWrite(&cm_scacheLock);
+
+ if (tsp) {
+ /* reset the No flags on the server */
+ cm_SetServerNo64Bit(tsp, 0);
+ cm_SetServerNoInlineBulk(tsp, 0);
- return SRXAFSCB_InitCallBackState(callp);
+ /* we're done with the server structure */
+ cm_PutServer(tsp);
+ }
+ }
+ return 0;
}
/* debug interface */
Capabilities * capabilities)
{
int i;
- afs_int32 *dataBuffP;
+ afs_uint32 *dataBuffP;
afs_int32 dataBytes;
long code;
struct rx_connection *connp;
}
lock_ReleaseRead(&cm_syscfgLock);
- dataBytes = 1 * sizeof(afs_int32);
- dataBuffP = (afs_int32 *) osi_Alloc(dataBytes);
+ dataBytes = 1 * sizeof(afs_uint32);
+ dataBuffP = (afs_uint32 *) osi_Alloc(dataBytes);
dataBuffP[0] = CLIENT_CAPABILITY_ERRORTRANS;
- capabilities->Capabilities_len = dataBytes / sizeof(afs_int32);
+ capabilities->Capabilities_len = dataBytes / sizeof(afs_uint32);
capabilities->Capabilities_val = dataBuffP;
return 0;
lock_ObtainWrite(&scp->rw); // now get the lock back
return 0;
}
- return 1; // no change
+ return (cm_data.fakeDirVersion == scp->dataVersion);
}
return 0;
}
/* record the callback; we'll clear it below if we really lose it */
if (cbrp) {
if (scp) {
- if (scp->cbServerp != cbrp->serverp) {
+ if (!cm_ServerEqual(scp->cbServerp, cbrp->serverp)) {
serverp = scp->cbServerp;
if (!freeFlag)
cm_GetServer(cbrp->serverp);
serverp = cbrp->serverp;
}
scp->cbExpires = cbrp->startTime + cbp->ExpirationTime;
- if (scp->flags & CM_SCACHEFLAG_PURERO) {
- cm_volume_t * volp = cm_GetVolumeByFID(&scp->fid);
- if (volp) {
- volp->cbExpiresRO = scp->cbExpires;
- cm_PutVolume(volp);
- }
- }
} else {
if (freeFlag)
serverp = cbrp->serverp;
((revp->flags & CM_RACINGFLAG_CANCELVOL) &&
scp->fid.volume == revp->fid.volume)
||
- (revp->flags & CM_RACINGFLAG_CANCELALL))) {
+ ((revp->flags & CM_RACINGFLAG_CANCELALL) &&
+ (revp->fid.cell == 0 || scp->fid.cell == revp->fid.cell)))) {
/* this one matches */
osi_Log4(afsd_logp,
"Racing revoke scp 0x%p old cbc %d rev cbc %d cur cbc %d",
cm_callbackCount);
discardScp = 1;
if ((scp->flags & CM_SCACHEFLAG_PURERO) &&
- (revp->flags & (CM_RACINGFLAG_CANCELVOL | CM_RACINGFLAG_CANCELALL))) {
+ (revp->flags & CM_RACINGFLAG_ALL)) {
cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
if (volp) {
volp->cbExpiresRO = 0;
lock_ReleaseWrite(&scp->rw);
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&scp->rw);
- }
+ } else {
+ if (scp && scp->flags & CM_SCACHEFLAG_PURERO) {
+ cm_volume_t * volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ volp->cbExpiresRO = scp->cbExpires;
+ if (volp->cbServerpRO != scp->cbServerp) {
+ if (volp->cbServerpRO)
+ cm_PutServer(volp->cbServerpRO);
+ cm_GetServer(scp->cbServerp);
+ volp->cbServerpRO = scp->cbServerp;
+ }
+ cm_PutVolume(volp);
+ }
+ }
+ }
if ( serverp ) {
lock_ObtainWrite(&cm_serverLock);
// cm_MergeStatus and mark that cm_fakeDirCallback is 2
if (cm_freelanceEnabled) {
if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
- scp->fid.volume==AFS_FAKE_ROOT_VOL_ID &&
- scp->fid.unique==0x1 &&
- scp->fid.vnode==0x1) {
-
+ scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
// Start by indicating that we're in the process
// of fetching the callback
lock_ObtainMutex(&cm_Freelance_Lock);
return 0;
}
-
- if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID && scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
- osi_Log0(afsd_logp,"cm_getcallback should NEVER EVER get here... ");
- }
}
#endif /* AFS_FREELANCE_CLIENT */
return 1;
for (found = 0,tsrp = statep->serversp; tsrp; tsrp=tsrp->next) {
- if (tsrp->server == scp->cbServerp)
+ if (tsrp->status == srv_deleted)
+ continue;
+ if (cm_ServerEqual(tsrp->server, scp->cbServerp))
found = 1;
if (tsrp->server->downTime > *downTime)
*downTime = tsrp->server->downTime;
if (scp->flags & CM_SCACHEFLAG_PURERO) {
cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
if (volp) {
- if (volp->cbExpiresRO > scp->cbExpires && scp->cbExpires > 0)
+ if (volp->cbExpiresRO > scp->cbExpires &&
+ scp->cbExpires > 0)
+ {
scp->cbExpires = volp->cbExpiresRO;
+ if (volp->cbServerpRO != scp->cbServerp) {
+ if (scp->cbServerp)
+ cm_PutServer(scp->cbServerp);
+ cm_GetServer(volp->cbServerpRO);
+ scp->cbServerp = volp->cbServerpRO;
+ }
+ }
cm_PutVolume(volp);
}
}
git://git.openafs.org / openafs.git / blobdiff