#include <stdlib.h>
#include "afsd.h"
+#include "smb.h"
#include <osi.h>
#include <rx_pthread.h>
#include <WINNT/syscfg.h>
#include <WINNT/afsreg.h>
-#include <../afsrdr/kif.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;
+afs_int32 cm_OfflineROIsValid = 0;
+
+afs_int32 cm_giveUpAllCBs = 0;
+
+afs_int32 cm_shutdown = 0;
+
#ifdef AFS_FREELANCE_CLIENT
extern osi_mutex_t cm_Freelance_Lock;
#endif
/* 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)
smb_NotifyChange(0,
FILE_NOTIFY_GENERIC_DIRECTORY_FILTER,
scp, NULL, NULL, TRUE);
-#else
- 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;
- tfid.cell = scp->fid.cell;
- tfid.volume = scp->fid.volume;
- tfid.vnode = scp->parentVnode;
- tfid.unique = scp->parentUnique;
+ cm_SetFid(&tfid, scp->fid.cell, scp->fid.volume, scp->parentVnode, scp->parentUnique);
dscp = cm_FindSCache(&tfid);
-#ifndef AFSIFS
if ( dscp &&
dscp->flags & CM_SCACHEFLAG_ANYWATCH )
smb_NotifyChange( 0,
FILE_NOTIFY_GENERIC_FILE_FILTER,
dscp, NULL, NULL, TRUE);
-#else
- if (dscp)
- 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;
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;
/* 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 &&
- scp->cbExpires > 0 &&
- scp->cbServerp != NULL)
+ (cellp == NULL || scp->fid.cell == cellp->cellID) &&
+ cm_HaveCallback(scp))
{
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
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);
+
+ lock_ObtainWrite(&scp->rw);
cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
+
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;
* 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;
- cm_RecordRacingRevoke(&tfid, CM_RACINGFLAG_CANCELVOL);
+ tfid.vnode = tfid.unique = 0;
+ 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);
+
+ lock_ObtainWrite(&scp->rw);
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);
+ lock_ReleaseWrite(&scp->rw);
+
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
+ if (scp->flags & CM_SCACHEFLAG_PURERO) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ volp->cbExpiresRO = 0;
+ cm_PutVolume(volp);
+ }
+ }
}
} /* 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 (cm_shutdown)
+ return 1;
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;
+ cm_PutServer(tsp);
+ }
+
+ 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);
return 0;
}
int
SRXAFSCB_InitCallBackState(struct rx_call *callp)
{
- struct sockaddr_in taddr;
- cm_server_t *tsp;
- cm_scache_t *scp;
- int hash;
- int discarded;
- struct rx_connection *connp;
- struct rx_peer *peerp;
- unsigned long host = 0;
- unsigned short port = 0;
-
- MUTEX_ENTER(&callp->lock);
-
- if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
- host = rx_HostOf(peerp);
- port = rx_PortOf(peerp);
- }
+ if (cm_shutdown)
+ return 1;
- 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.hashTableSize; hash++) {
- for (scp=cm_data.hashTablep[hash]; scp; scp=scp->nextp) {
- cm_HoldSCacheNoLock(scp);
- lock_ReleaseWrite(&cm_scacheLock);
- lock_ObtainMutex(&scp->mx);
- 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_ReleaseMutex(&scp->mx);
- if (discarded)
- cm_CallbackNotifyChange(scp);
- lock_ObtainWrite(&cm_scacheLock);
- cm_ReleaseSCacheNoLock(scp);
- } /* 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);
- }
- }
- MUTEX_EXIT(&callp->lock);
- return 0;
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
}
/*------------------------------------------------------------------------
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
ntohl(host),
ntohs(port));
- MUTEX_EXIT(&callp->lock);
return 0;
}
extern osi_rwlock_t cm_aclLock;
extern osi_rwlock_t buf_globalLock;
-extern osi_rwlock_t cm_callbackLock;
extern osi_rwlock_t cm_cellLock;
extern osi_rwlock_t cm_connLock;
extern osi_rwlock_t cm_daemonLock;
extern osi_rwlock_t cm_dnlcLock;
extern osi_rwlock_t cm_scacheLock;
extern osi_rwlock_t cm_serverLock;
+extern osi_rwlock_t cm_syscfgLock;
extern osi_rwlock_t cm_userLock;
extern osi_rwlock_t cm_utilsLock;
extern osi_rwlock_t cm_volumeLock;
extern osi_rwlock_t smb_rctLock;
extern osi_mutex_t cm_Freelance_Lock;
-extern osi_mutex_t cm_bufGetMutex;
extern osi_mutex_t cm_Afsdsbmt_Lock;
extern osi_mutex_t tokenEventLock;
extern osi_mutex_t smb_ListenerLock;
{"buf_globalLock", (char*)&buf_globalLock, LOCKTYPE_RW},
{"cm_serverLock", (char*)&cm_serverLock, LOCKTYPE_RW},
{"cm_callbackLock", (char*)&cm_callbackLock, LOCKTYPE_RW},
+ {"cm_syscfgLock", (char*)&cm_syscfgLock, LOCKTYPE_RW},
{"cm_aclLock", (char*)&cm_aclLock, LOCKTYPE_RW},
{"cm_cellLock", (char*)&cm_cellLock, LOCKTYPE_RW},
{"cm_connLock", (char*)&cm_connLock, LOCKTYPE_RW},
{"smb_globalLock", (char*)&smb_globalLock, LOCKTYPE_RW},
{"smb_rctLock", (char*)&smb_rctLock, LOCKTYPE_RW},
{"cm_Freelance_Lock",(char*)&cm_Freelance_Lock, LOCKTYPE_MUTEX},
- {"cm_bufGetMutex", (char*)&cm_bufGetMutex, LOCKTYPE_MUTEX},
{"cm_Afsdsbmt_Lock", (char*)&cm_Afsdsbmt_Lock, LOCKTYPE_MUTEX},
{"tokenEventLock", (char*)&tokenEventLock, LOCKTYPE_MUTEX},
{"smb_ListenerLock", (char*)&smb_ListenerLock, LOCKTYPE_MUTEX},
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
code = 0;
}
- MUTEX_EXIT(&callp->lock);
return code;
}
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;
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
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->netFid.Vnode = scp->fid.vnode;
cep->netFid.Unique = scp->fid.unique;
cep->lock.waitStates = 0;
- cep->lock.exclLocked = scp->mx.flags;
+ cep->lock.exclLocked = scp->rw.flags;
cep->lock.readersReading = 0;
- cep->lock.numWaiting = scp->mx.waiters;
+ cep->lock.numWaiting = scp->rw.waiters;
cep->lock.pid_last_reader = 0;
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) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ cep->cbExpires = volp->cbExpiresRO;
+ cm_PutVolume(volp);
+ }
+ } else {
+ /* TODO: deal with time_t below */
+ cep->cbExpires = (afs_int32) scp->cbExpires;
+ }
cep->refCount = scp->refCount;
cep->opens = scp->openReads;
cep->writers = scp->openWrites;
fcnDone:
lock_ReleaseRead(&cm_scacheLock);
- MUTEX_EXIT(&callp->lock);
return (code);
}
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;
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
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->netFid.Vnode = scp->fid.vnode;
cep->netFid.Unique = scp->fid.unique;
cep->lock.waitStates = 0;
- cep->lock.exclLocked = scp->mx.flags;
+ cep->lock.exclLocked = scp->rw.flags;
cep->lock.readersReading = 0;
- cep->lock.numWaiting = scp->mx.waiters;
+ cep->lock.numWaiting = scp->rw.waiters;
cep->lock.pid_last_reader = 0;
cep->lock.pid_writer = 0;
cep->lock.src_indicator = 0;
#else
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) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ cep->cbExpires = volp->cbExpiresRO;
+ cm_PutVolume(volp);
+ }
+ } else {
+ /* TODO: handle time_t */
+ cep->cbExpires = (afs_int32) scp->cbExpires;
+ }
cep->refCount = scp->refCount;
cep->opens = scp->openReads;
cep->writers = scp->openWrites;
fcnDone:
lock_ReleaseRead(&cm_scacheLock);
- MUTEX_EXIT(&callp->lock);
return (code);
}
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
ntohl(host), ntohs(port));
*vp = -1;
- MUTEX_EXIT(&callp->lock);
return RXGEN_OPCODE;
}
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
osi_Log2(afsd_logp, "SRXAFSCB_GetXStats from host 0x%x port %d - not implemented",
ntohl(host), ntohs(port));
- MUTEX_EXIT(&callp->lock);
return RXGEN_OPCODE;
}
int
SRXAFSCB_InitCallBackState2(struct rx_call *callp, struct interfaceAddr* addr)
{
+ if (cm_shutdown)
+ return 1;
+
osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState2 ->");
- return SRXAFSCB_InitCallBackState(callp);
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
}
/* debug interface */
SRXAFSCB_WhoAreYou(struct rx_call *callp, struct interfaceAddr* addr)
{
int i;
- int cm_noIPAddr; /* number of client network interfaces */
- int cm_IPAddr[CM_MAXINTERFACE_ADDR]; /* client's IP address in host order */
- int cm_SubnetMask[CM_MAXINTERFACE_ADDR];/* client's subnet mask in host order*/
- int cm_NetMtu[CM_MAXINTERFACE_ADDR]; /* client's MTU sizes */
- int cm_NetFlags[CM_MAXINTERFACE_ADDR]; /* network flags */
long code;
struct rx_connection *connp;
struct rx_peer *peerp;
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
port = rx_PortOf(peerp);
}
- /* get network related info */
- cm_noIPAddr = CM_MAXINTERFACE_ADDR;
- code = syscfg_GetIFInfo(&cm_noIPAddr,
- cm_IPAddr, cm_SubnetMask,
- cm_NetMtu, cm_NetFlags);
-
- /* return all network interface addresses */
osi_Log2(afsd_logp, "SRXAFSCB_WhoAreYou from host 0x%x port %d",
ntohl(host),
ntohs(port));
+ lock_ObtainRead(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ lock_ConvertRToW(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ /* get network related info */
+ cm_noIPAddr = CM_MAXINTERFACE_ADDR;
+ code = syscfg_GetIFInfo(&cm_noIPAddr,
+ cm_IPAddr, cm_SubnetMask,
+ cm_NetMtu, cm_NetFlags);
+ cm_LanAdapterChangeDetected = 0;
+ }
+ lock_ConvertWToR(&cm_syscfgLock);
+ }
+
+ /* return all network interface addresses */
addr->numberOfInterfaces = cm_noIPAddr;
addr->uuid = cm_data.Uuid;
for ( i=0; i < cm_noIPAddr; i++ ) {
cm_NetMtu[i] : rx_mtu;
}
- MUTEX_EXIT(&callp->lock);
+ lock_ReleaseRead(&cm_syscfgLock);
+
return 0;
}
{
char *p = NULL;
- if (UuidToString((UUID *)serverUuid, &p) == RPC_S_OK) {
- osi_Log1(afsd_logp, "SRXAFSCB_InitCallBackState3 %s ->",p);
- RpcStringFree(&p);
- } else
- osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState3 - no server Uuid ->");
+ 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 ((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);
+ }
- return SRXAFSCB_InitCallBackState(callp);
+ /* 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);
+
+ /* we're done with the server structure */
+ cm_PutServer(tsp);
+ }
+ }
+ return 0;
}
/* debug interface */
char *p,*q;
int code = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
ntohl(host),
ntohs(port));
- MUTEX_EXIT(&callp->lock);
return code;
}
/* debug interface */
-int
-SRXAFSCB_GetCellByNum(struct rx_call *callp, afs_int32 a_cellnum,
- char **a_name, serverList *a_hosts)
+static int
+GetCellCommon(afs_int32 a_cellnum, char **a_name, serverList *a_hosts)
{
afs_int32 sn;
cm_cell_t * cellp;
cm_serverRef_t * serverRefp;
- struct rx_connection *connp;
- struct rx_peer *peerp;
- unsigned long host = 0;
- unsigned short port = 0;
-
- MUTEX_ENTER(&callp->lock);
- if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
- host = rx_HostOf(peerp);
- port = rx_PortOf(peerp);
- }
-
- osi_Log3(afsd_logp, "SRXAFSCB_GetCellByNum(%d) from host 0x%x port %d",
- a_cellnum, ntohl(host), ntohs(port));
-
- a_hosts->serverList_val = 0;
- a_hosts->serverList_len = 0;
-
- cellp = cm_FindCellByID(a_cellnum);
+ cellp = cm_FindCellByID(a_cellnum, CM_FLAG_NOPROBE);
if (!cellp) {
*a_name = strdup("");
- MUTEX_EXIT(&callp->lock);
return 0;
}
}
lock_ReleaseRead(&cm_serverLock);
- MUTEX_EXIT(&callp->lock);
return 0;
}
/* debug interface */
int
+SRXAFSCB_GetCellByNum(struct rx_call *callp, afs_int32 a_cellnum,
+ char **a_name, serverList *a_hosts)
+{
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+ int rc;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log3(afsd_logp, "SRXAFSCB_GetCellByNum(%d) from host 0x%x port %d",
+ a_cellnum, ntohl(host), ntohs(port));
+
+ a_hosts->serverList_val = 0;
+ a_hosts->serverList_len = 0;
+
+
+ rc = GetCellCommon(a_cellnum, a_name, a_hosts);
+
+ return rc;
+}
+
+/* debug interface */
+int
SRXAFSCB_TellMeAboutYourself( struct rx_call *callp,
struct interfaceAddr *addr,
Capabilities * capabilities)
{
int i;
- afs_int32 *dataBuffP;
+ afs_uint32 *dataBuffP;
afs_int32 dataBytes;
- int cm_noIPAddr; /* number of client network interfaces */
- int cm_IPAddr[CM_MAXINTERFACE_ADDR]; /* client's IP address in host order */
- int cm_SubnetMask[CM_MAXINTERFACE_ADDR];/* client's subnet mask in host order*/
- int cm_NetMtu[CM_MAXINTERFACE_ADDR]; /* client's MTU sizes */
- int cm_NetFlags[CM_MAXINTERFACE_ADDR]; /* network flags */
long code;
struct rx_connection *connp;
struct rx_peer *peerp;
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
port = rx_PortOf(peerp);
}
- /* get network related info */
- cm_noIPAddr = CM_MAXINTERFACE_ADDR;
- code = syscfg_GetIFInfo(&cm_noIPAddr,
- cm_IPAddr, cm_SubnetMask,
- cm_NetMtu, cm_NetFlags);
-
osi_Log2(afsd_logp, "SRXAFSCB_TellMeAboutYourself from host 0x%x port %d",
ntohl(host),
ntohs(port));
+ lock_ObtainRead(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ lock_ConvertRToW(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ /* get network related info */
+ cm_noIPAddr = CM_MAXINTERFACE_ADDR;
+ code = syscfg_GetIFInfo(&cm_noIPAddr,
+ cm_IPAddr, cm_SubnetMask,
+ cm_NetMtu, cm_NetFlags);
+ cm_LanAdapterChangeDetected = 0;
+ }
+ lock_ConvertWToR(&cm_syscfgLock);
+ }
+
/* return all network interface addresses */
addr->numberOfInterfaces = cm_noIPAddr;
addr->uuid = cm_data.Uuid;
addr->mtu[i] = (rx_mtu == -1 || (rx_mtu != -1 && cm_NetMtu[i] < rx_mtu)) ?
cm_NetMtu[i] : rx_mtu;
}
+ 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;
- MUTEX_EXIT(&callp->lock);
return 0;
}
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
*a_srvr_addr = 0xffffffff;
*a_srvr_rank = 0xffffffff;
- MUTEX_EXIT(&callp->lock);
return 0;
}
int SRXAFSCB_GetCellServDB(struct rx_call *callp, afs_int32 index, char **a_name,
serverList *a_hosts)
{
- char *t_name;
struct rx_connection *connp;
struct rx_peer *peerp;
unsigned long host = 0;
unsigned short port = 0;
+ int rc;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
osi_Log2(afsd_logp, "SRXAFSCB_GetCellServDB from host 0x%x port %d - not implemented",
ntohl(host), ntohs(port));
- t_name = (char *)malloc(AFSNAMEMAX);
- t_name[0] = '\0';
- *a_name = t_name;
- a_hosts->serverList_len = 0;
-
- MUTEX_EXIT(&callp->lock);
+#ifdef AFS_FREELANCE_CLIENT
+ if (cm_freelanceEnabled && index == 0) {
+ rc = GetCellCommon(AFS_FAKE_ROOT_CELL_ID, a_name, a_hosts);
+ } else
+#endif
+ {
+ rc = GetCellCommon(index+1, a_name, a_hosts);
+ }
return 0;
}
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
ntohl(host), ntohs(port));
if (cm_data.rootCellp) {
- t_name = (char *)malloc(strlen(cm_data.rootCellp->name)+1);
- strcpy(t_name, cm_data.rootCellp->name);
+ t_name = strdup(cm_data.rootCellp->name);
} else {
t_name = (char *)malloc(1);
t_name[0] = '\0';
}
*a_name = t_name;
- MUTEX_EXIT(&callp->lock);
return 0;
}
unsigned long host = 0;
unsigned short port = 0;
- MUTEX_ENTER(&callp->lock);
+ if (cm_shutdown)
+ return 1;
if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
host = rx_HostOf(peerp);
#ifndef SIZE_MAX
#define SIZE_MAX UINT_MAX
#endif
- osi_assert(allocsize < SIZE_MAX);
+ osi_assertx(allocsize < SIZE_MAX, "allocsize >= SIZE_MAX");
#endif
*configCount = (afs_uint32)allocsize;
config->cacheConfig_val = t_config;
config->cacheConfig_len = (*configCount)/sizeof(afs_uint32);
- MUTEX_EXIT(&callp->lock);
return 0;
}
/* called by afsd without any locks to initialize this module */
void cm_InitCallback(void)
{
- lock_InitializeRWLock(&cm_callbackLock, "cm_callbackLock");
+ lock_InitializeRWLock(&cm_callbackLock, "cm_callbackLock", LOCK_HIERARCHY_CALLBACK_GLOBAL);
cm_activeCallbackGrantingCalls = 0;
}
if (cm_freelanceEnabled &&
scp->fid.cell==AFS_FAKE_ROOT_CELL_ID && scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
- /* if it's something on /afs */
- if (!(scp->fid.vnode==0x1 && scp->fid.unique==0x1)) {
- /* if it's not root.afs */
- return 1;
- }
-
lock_ObtainMutex(&cm_Freelance_Lock);
fdc = cm_fakeDirCallback;
fgc = cm_fakeGettingCallback;
} else if (fdc==2 && !fgc) { // we're in good shape
if (cm_getLocalMountPointChange()) { // check for changes
cm_clearLocalMountPointChange(); // clear the changefile
- lock_ReleaseMutex(&scp->mx); // this is re-locked in reInitLocalMountPoints
+ lock_ReleaseWrite(&scp->rw); // this is re-locked in reInitLocalMountPoints
cm_reInitLocalMountPoints(); // start reinit
- lock_ObtainMutex(&scp->mx); // now get the lock back
+ lock_ObtainWrite(&scp->rw); // now get the lock back
return 0;
}
- return 1; // no change
+ return (cm_data.fakeDirVersion == scp->dataVersion);
}
return 0;
}
#endif
- if (scp->cbServerp != NULL)
+ if (scp->cbServerp != NULL) {
return 1;
- else
- return 0;
+ } else if (cm_OfflineROIsValid) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ switch (cm_GetVolumeStatus(volp, scp->fid.volume)) {
+ case vl_offline:
+ case vl_alldown:
+ case vl_unknown:
+ cm_PutVolume(volp);
+ return 1;
+ default:
+ cm_PutVolume(volp);
+ return 0;
+ }
+ }
+ return 1;
+ }
+ 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);
}
/* Called at the end of a callback-granting call, to remove the callback
* info from the scache entry, if necessary.
*
- * Called with scp locked, so we can discard the callbacks easily with
+ * Called with scp write locked, so we can discard the callbacks easily with
* this locking hierarchy.
*/
void cm_EndCallbackGrantingCall(cm_scache_t *scp, cm_callbackRequest_t *cbrp,
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;
/* 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);
((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",
cbrp->callbackCount, revp->callbackCount,
cm_callbackCount);
discardScp = 1;
+ if ((scp->flags & CM_SCACHEFLAG_PURERO) &&
+ (revp->flags & CM_RACINGFLAG_ALL)) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ volp->cbExpiresRO = 0;
+ cm_PutVolume(volp);
+ }
+ }
}
if (freeFlag)
free(revp);
if ( discardScp ) {
cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_CallbackNotifyChange(scp);
- lock_ObtainMutex(&scp->mx);
+ 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 ) {
cm_callbackRequest_t cbr;
int mustCall;
cm_fid_t sfid;
- struct rx_connection * callp = NULL;
+ struct rx_connection * rxconnp = NULL;
int syncop_done = 0;
osi_Log4(afsd_logp, "GetCallback scp 0x%p cell %d vol %d flags %lX",
// 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 */
}
cm_StartCallbackGrantingCall(scp, &cbr);
sfid = scp->fid;
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
/* now make the RPC */
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;
- callp = cm_GetRxConn(connp);
- code = RXAFS_FetchStatus(callp, &tfid,
+ rxconnp = cm_GetRxConn(connp);
+ code = RXAFS_FetchStatus(rxconnp, &tfid,
&afsStatus, &callback, &volSync);
- rx_PutConnection(callp);
+ rx_PutConnection(rxconnp);
} while (cm_Analyze(connp, userp, reqp, &sfid, &volSync, NULL,
&cbr, code));
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);
+ lock_ObtainWrite(&scp->rw);
if (code == 0) {
cm_EndCallbackGrantingCall(scp, &cbr, &callback, 0);
cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, 0);
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;
+ afs_uint32 volID = scp->fid.volume;
+ cm_serverRef_t *tsrp;
+ int found;
+
+ *downTime = 0;
+
+ if (scp->cbServerp == NULL)
+ return 1;
+
+ volp = cm_GetVolumeByFID(&scp->fid);
+ if (!volp)
+ return 1;
+
+ statep = cm_VolumeStateByID(volp, volID);
+ cm_PutVolume(volp);
+ if (statep->state == vl_online)
+ return 1;
+
+ for (found = 0,tsrp = statep->serversp; tsrp; tsrp=tsrp->next) {
+ 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 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;
- time_t 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) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ 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);
+ }
+ }
+ 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%p 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);
+ lock_ObtainWrite(&scp->rw);
cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
cm_CallbackNotifyChange(scp);
+
lock_ObtainWrite(&cm_scacheLock);
+ cm_ReleaseSCacheNoLock(scp);
}
- 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;
+
+ cm_ForceNewConnections(tsp);
+
+ lock_ObtainMutex(&tsp->mx);
+ if (!(tsp->flags & CM_SERVERFLAG_DOWN)) {
+ tsp->flags |= CM_SERVERFLAG_DOWN;
+ tsp->downTime = time(NULL);
+ }
+ /* 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);
+ lock_ReleaseMutex(&tsp->mx);
+ code = cm_FindVolumeByID(tsp->cellp, tsrvp->ids[i], cm_rootUserp,
+ &req, CM_GETVOL_FLAG_NO_LRU_UPDATE | CM_GETVOL_FLAG_NO_RESET, &volp);
+ lock_ObtainMutex(&tsp->mx);
+ 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