#include <strsafe.h>
#include <malloc.h>
#include "afsd.h"
+#include "cm_getaddrs.h"
#include <osi.h>
#include <rx/rx.h>
afs_uint32 count;
for (volp = cm_data.allVolumesp, count = 0; volp; volp=volp->allNextp, count++) {
+
+ if ( volp < (cm_volume_t *)cm_data.volumeBaseAddress ||
+ volp >= (cm_volume_t *)cm_data.cellBaseAddress) {
+ afsi_log("cm_ValidateVolume failure: out of range cm_volume_t pointers");
+ fprintf(stderr, "cm_ValidateVolume failure: out of range cm_volume_t pointers\n");
+ return -10;
+ }
+
if ( volp->magic != CM_VOLUME_MAGIC ) {
afsi_log("cm_ValidateVolume failure: volp->magic != CM_VOLUME_MAGIC");
fprintf(stderr, "cm_ValidateVolume failure: volp->magic != CM_VOLUME_MAGIC\n");
return -1;
}
+
+ if ( volp->cellp < (cm_cell_t *)cm_data.cellBaseAddress ||
+ volp->cellp >= (cm_cell_t *)cm_data.aclBaseAddress) {
+ afsi_log("cm_ValidateVolume failure: out of range cm_cell_t pointers");
+ fprintf(stderr, "cm_ValidateVolume failure: out of range cm_cell_t pointers\n");
+ return -11;
+ }
+
if ( volp->cellp && volp->cellp->magic != CM_CELL_MAGIC ) {
afsi_log("cm_ValidateVolume failure: volp->cellp->magic != CM_CELL_MAGIC");
fprintf(stderr, "cm_ValidateVolume failure: volp->cellp->magic != CM_CELL_MAGIC\n");
return -2;
}
- if ( volp->allNextp && volp->allNextp->magic != CM_VOLUME_MAGIC ) {
- afsi_log("cm_ValidateVolume failure: volp->allNextp->magic != CM_VOLUME_MAGIC");
- fprintf(stderr, "cm_ValidateVolume failure: volp->allNextp->magic != CM_VOLUME_MAGIC\n");
- return -3;
- }
+
+ if ( volp->allNextp) {
+ if ( volp->allNextp < (cm_volume_t *)cm_data.volumeBaseAddress ||
+ volp->allNextp >= (cm_volume_t *)cm_data.cellBaseAddress) {
+ afsi_log("cm_ValidateVolume failure: out of range cm_volume_t pointers");
+ fprintf(stderr, "cm_ValidateVolume failure: out of range cm_volume_t pointers\n");
+ return -12;
+ }
+
+ if ( volp->allNextp->magic != CM_VOLUME_MAGIC ) {
+ afsi_log("cm_ValidateVolume failure: volp->allNextp->magic != CM_VOLUME_MAGIC");
+ fprintf(stderr, "cm_ValidateVolume failure: volp->allNextp->magic != CM_VOLUME_MAGIC\n");
+ return -3;
+ }
+ }
+
if ( count != 0 && volp == cm_data.allVolumesp ||
count > cm_data.maxVolumes ) {
afsi_log("cm_ValidateVolume failure: cm_data.allVolumep loop detected");
volp->cbExpiresRO = 0;
volp->cbIssuedRO = 0;
volp->cbServerpRO = NULL;
+ volp->volumeSizeRO = 0;
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_RO_SIZE_VALID);
+
lock_FinalizeRWLock(&volp->rw);
}
+ cm_getaddrsShutdown();
+
return 0;
}
volp->cbExpiresRO = 0;
volp->cbIssuedRO = 0;
volp->cbServerpRO = NULL;
+ volp->volumeSizeRO = 0;
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_RO_SIZE_VALID);
}
}
- osi_EndOnce(&once);
+
+ cm_getaddrsInit();
+
+ osi_EndOnce(&once);
}
}
*methodp = 0;
}
rx_PutConnection(rxconnp);
- } while (cm_Analyze(connp, userp, reqp, NULL, cellp, 0, NULL, cellp->vlServersp, NULL, code));
+ } while (cm_Analyze(connp, userp, reqp, NULL, cellp, 0, NULL, NULL, &cellp->vlServersp, NULL, code));
code = cm_MapVLRPCError(code, reqp);
if ( code )
osi_Log3(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s FAILURE, code 0x%x",
long cm_UpdateVolumeLocation(struct cm_cell *cellp, cm_user_t *userp, cm_req_t *reqp,
cm_volume_t *volp)
{
- struct rx_connection *rxconnp;
- cm_conn_t *connp;
int i;
- afs_uint32 j, k;
+ afs_uint32 j;
cm_serverRef_t *tsrp;
cm_server_t *tsp;
struct sockaddr_in tsockAddr;
afs_int32 roID;
afs_int32 bkID;
afs_int32 serverNumber[NMAXNSERVERS];
+ afs_int32 serverUnique[NMAXNSERVERS];
afs_int32 serverFlags[NMAXNSERVERS];
afsUUID serverUUID[NMAXNSERVERS];
afs_int32 rwServers_alldown = 1;
}
memset(serverUUID, 0, sizeof(serverUUID));
+ memset(serverUnique, 0, sizeof(serverUnique));
switch ( method ) {
case 0:
serverNumber[j] = uvldbEntry.serverNumber[i].time_low;
j++;
} else {
- afs_uint32 * addrp, nentries, code, unique;
- bulkaddrs addrs;
- ListAddrByAttributes attrs;
- afsUUID uuid;
-
- memset(&attrs, 0, sizeof(attrs));
- attrs.Mask = VLADDR_UUID;
- attrs.uuid = uvldbEntry.serverNumber[i];
- memset(&uuid, 0, sizeof(uuid));
- memset(&addrs, 0, sizeof(addrs));
-
- do {
- code = cm_ConnByMServers(cellp->vlServersp, FALSE, userp, reqp, &connp);
- if (code)
- continue;
-
- rxconnp = cm_GetRxConn(connp);
- code = VL_GetAddrsU(rxconnp, &attrs, &uuid, &unique, &nentries, &addrs);
- rx_PutConnection(rxconnp);
- } while (cm_Analyze(connp, userp, reqp, NULL, cellp, 0, NULL, cellp->vlServersp, NULL, code));
-
- if ( code ) {
- code = cm_MapVLRPCError(code, reqp);
- osi_Log2(afsd_logp, "CALL VL_GetAddrsU serverNumber %u FAILURE, code 0x%x",
- i, code);
- continue;
- }
- osi_Log1(afsd_logp, "CALL VL_GetAddrsU serverNumber %u SUCCESS", i);
-
- addrp = addrs.bulkaddrs_val;
- for (k = 0; k < nentries && j < NMAXNSERVERS; j++, k++) {
- serverFlags[j] = uvldbEntry.serverFlags[i];
- serverNumber[j] = addrp[k];
- serverUUID[j] = uuid;
- }
-
- xdr_free((xdrproc_t) xdr_bulkaddrs, &addrs);
-
- if (nentries == 0)
- code = CM_ERROR_INVAL;
+ code = cm_GetAddrsU(cellp, userp, reqp,
+ &uvldbEntry.serverNumber[i],
+ uvldbEntry.serverUnique[i],
+ uvldbEntry.serverFlags[i], &j,
+ serverFlags, serverNumber,
+ serverUUID, serverUnique);
+ if (code == CM_ERROR_RETRY)
+ continue;
}
}
nServers = j; /* update the server count */
_InterlockedOr(&volp->flags, CM_VOLUMEFLAG_NOEXIST);
} else {
rwNewstate = roNewstate = bkNewstate = vl_alldown;
+
+ /*
+ * we are updating lastUpdateTime but didn't get an answer
+ * so clear the no exist flag.
+ */
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_NOEXIST);
}
if (volp->vol[RWVOL].state != rwNewstate) {
return volp;
}
+cm_volume_t *cm_FindVolumeByFID(cm_fid_t *fidp, cm_user_t *userp, cm_req_t *reqp)
+{
+ cm_volume_t *volp = NULL;
+ cm_cell_t *cellp;
+ long code;
+
+ cellp = cm_FindCellByID(fidp->cell, CM_FLAG_NOPROBE);
+ if (!cellp) {
+ return NULL;
+ }
+
+ code = cm_FindVolumeByID(cellp, fidp->volume, userp, reqp, CM_GETVOL_FLAG_CREATE, &volp);
+ if (code)
+ return NULL;
+
+ return volp;
+}
+
long cm_FindVolumeByID(cm_cell_t *cellp, afs_uint32 volumeID, cm_user_t *userp,
cm_req_t *reqp, afs_uint32 flags, cm_volume_t **outVolpp)
{
*/
lock_ConvertRToW(&cm_volumeLock);
- if ( cm_data.currentVolumes >= cm_data.maxVolumes ) {
-#ifdef RECYCLE_FROM_ALL_VOLUMES_LIST
- for (volp = cm_data.allVolumesp; volp; volp=volp->allNextp) {
- if ( volp->refCount == 0 ) {
- /* There is one we can re-use */
- break;
- }
- }
-#else
- for ( volp = cm_data.volumeLRULastp;
- volp;
- volp = (cm_volume_t *) osi_QPrev(&volp->q))
- {
- if ( volp->refCount == 0 ) {
- /* There is one we can re-use */
- break;
- }
- }
-#endif
- if (!volp)
- osi_panic("Exceeded Max Volumes", __FILE__, __LINE__);
+ /*
+ * While the lock was converted it may have been dropped
+ * Search again now that we are exclusive.
+ */
+ for (volp = cm_data.volumeNameHashTablep[hash]; volp; volp = volp->nameNextp) {
+ if (cellp == volp->cellp && strcmp(name, volp->namep) == 0)
+ break;
+ }
- InterlockedIncrement(&volp->refCount);
+ if (volp) {
+ cm_GetVolume(volp);
lock_ReleaseWrite(&cm_volumeLock);
lock_ObtainWrite(&volp->rw);
- lock_ObtainWrite(&cm_volumeLock);
+ } else {
+ if ( cm_data.currentVolumes >= cm_data.maxVolumes ) {
+#ifdef RECYCLE_FROM_ALL_VOLUMES_LIST
+ for (volp = cm_data.allVolumesp; volp; volp=volp->allNextp) {
+ if ( volp->refCount == 0 ) {
+ /* There is one we can re-use */
+ break;
+ }
+ }
+#else
+ for ( volp = cm_data.volumeLRULastp;
+ volp;
+ volp = (cm_volume_t *) osi_QPrev(&volp->q))
+ {
+ if ( volp->refCount == 0 ) {
+ /* There is one we can re-use */
+ break;
+ }
+ }
+#endif
+ if (!volp)
+ osi_panic("Exceeded Max Volumes", __FILE__, __LINE__);
- osi_Log2(afsd_logp, "Recycling Volume %s:%s",
- volp->cellp->name, volp->namep);
+ osi_Log2(afsd_logp, "Recycling Volume %s:%s",
+ volp->cellp->name, volp->namep);
- /* The volp is removed from the LRU queue in order to
- * prevent two threads from attempting to recycle the
- * same object. This volp must be re-inserted back into
- * the LRU queue before this function exits.
+ /* The volp is removed from the LRU queue in order to
+ * prevent two threads from attempting to recycle the
+ * same object. This volp must be re-inserted back into
+ * the LRU queue before this function exits.
+ */
+ if (volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE)
+ cm_RemoveVolumeFromLRU(volp);
+ if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH)
+ cm_RemoveVolumeFromNameHashTable(volp);
+
+ for ( volType = RWVOL; volType < NUM_VOL_TYPES; volType++) {
+ if (volp->vol[volType].qflags & CM_VOLUME_QFLAG_IN_HASH)
+ cm_RemoveVolumeFromIDHashTable(volp, volType);
+ if (volp->vol[volType].ID)
+ cm_VolumeStatusNotification(volp, volp->vol[volType].ID, volp->vol[volType].state, vl_unknown);
+ volp->vol[volType].ID = 0;
+ cm_SetFid(&volp->vol[volType].dotdotFid, 0, 0, 0, 0);
+ }
+ } else {
+ volp = &cm_data.volumeBaseAddress[InterlockedIncrement(&cm_data.currentVolumes) - 1];
+ memset(volp, 0, sizeof(cm_volume_t));
+ volp->magic = CM_VOLUME_MAGIC;
+ volp->allNextp = cm_data.allVolumesp;
+ cm_data.allVolumesp = volp;
+ lock_InitializeRWLock(&volp->rw, "cm_volume_t rwlock", LOCK_HIERARCHY_VOLUME);
+ }
+ /*
+ * no one else can find this object and we have not dropped
+ * cm_volumeLock in any case. The object is either new or
+ * recycled. Initialize its new values and put it into the
+ * name hash table before dropping cm_volumeLock which makes
+ * it visible to competing threads.
*/
- if (volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE)
- cm_RemoveVolumeFromLRU(volp);
- if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH)
- cm_RemoveVolumeFromNameHashTable(volp);
+ volp->cellp = cellp;
+ strncpy(volp->namep, name, VL_MAXNAMELEN);
+ volp->namep[VL_MAXNAMELEN-1] = '\0';
+ volp->flags = CM_VOLUMEFLAG_RESET;
+ volp->lastUpdateTime = 0;
for ( volType = RWVOL; volType < NUM_VOL_TYPES; volType++) {
- if (volp->vol[volType].qflags & CM_VOLUME_QFLAG_IN_HASH)
- cm_RemoveVolumeFromIDHashTable(volp, volType);
- if (volp->vol[volType].ID)
- cm_VolumeStatusNotification(volp, volp->vol[volType].ID, volp->vol[volType].state, vl_unknown);
- volp->vol[volType].ID = 0;
- cm_SetFid(&volp->vol[volType].dotdotFid, 0, 0, 0, 0);
- lock_ReleaseWrite(&cm_volumeLock);
- cm_FreeServerList(&volp->vol[volType].serversp, CM_FREESERVERLIST_DELETE);
- lock_ObtainWrite(&cm_volumeLock);
+ volp->vol[volType].state = vl_unknown;
+ volp->vol[volType].nextp = NULL;
+ volp->vol[volType].flags = 0;
}
- } else {
- volp = &cm_data.volumeBaseAddress[cm_data.currentVolumes++];
- memset(volp, 0, sizeof(cm_volume_t));
- volp->magic = CM_VOLUME_MAGIC;
- volp->allNextp = cm_data.allVolumesp;
- cm_data.allVolumesp = volp;
- lock_InitializeRWLock(&volp->rw, "cm_volume_t rwlock", LOCK_HIERARCHY_VOLUME);
+ volp->cbExpiresRO = 0;
+ volp->cbIssuedRO = 0;
+ volp->cbServerpRO = NULL;
+ volp->creationDateRO = 0;
+ cm_AddVolumeToNameHashTable(volp);
+ cm_GetVolume(volp);
lock_ReleaseWrite(&cm_volumeLock);
lock_ObtainWrite(&volp->rw);
- lock_ObtainWrite(&cm_volumeLock);
- volp->refCount = 1; /* starts off held */
- }
- volp->cellp = cellp;
- strncpy(volp->namep, name, VL_MAXNAMELEN);
- volp->namep[VL_MAXNAMELEN-1] = '\0';
- volp->flags = CM_VOLUMEFLAG_RESET;
- volp->lastUpdateTime = 0;
-
- for ( volType = RWVOL; volType < NUM_VOL_TYPES; volType++) {
- volp->vol[volType].state = vl_unknown;
- volp->vol[volType].nextp = NULL;
- volp->vol[volType].flags = 0;
+ for ( volType = RWVOL; volType < NUM_VOL_TYPES; volType++) {
+ cm_FreeServerList(&volp->vol[volType].serversp, CM_FREESERVERLIST_DELETE);
+ }
}
- volp->cbExpiresRO = 0;
- volp->cbIssuedRO = 0;
- volp->cbServerpRO = NULL;
- volp->creationDateRO = 0;
- cm_AddVolumeToNameHashTable(volp);
- lock_ReleaseWrite(&cm_volumeLock);
}
- else {
- if (volp)
- cm_GetVolume(volp);
+ else if (volp) {
+ cm_GetVolume(volp);
lock_ReleaseRead(&cm_volumeLock);
-
- if (!volp)
- return CM_ERROR_NOSUCHVOLUME;
-
lock_ObtainWrite(&volp->rw);
+ } else {
+ lock_ReleaseRead(&cm_volumeLock);
+ return CM_ERROR_NOSUCHVOLUME;
}
/* if we get here we are holding the mutex */
*/
lock_ObtainRead(&cm_volumeLock);
for (volp = cm_data.allVolumesp; volp; volp=volp->allNextp) {
- InterlockedIncrement(&volp->refCount);
+ cm_GetVolume(volp);
lock_ReleaseRead(&cm_volumeLock);
- if (!(volp->flags & CM_VOLUMEFLAG_RESET)) {
+ if (!(volp->flags & CM_VOLUMEFLAG_RESET) ||
+ (volp->flags & CM_VOLUMEFLAG_NOEXIST)) {
lock_ObtainWrite(&volp->rw);
+ if (volp->flags & CM_VOLUMEFLAG_NOEXIST) {
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_NOEXIST);
+ }
+
if (volp->flags & CM_VOLUMEFLAG_RO_MIXED) {
if (volp->lastUpdateTime + 300 <= now) {
_InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RESET);
}
lock_ObtainRead(&cm_volumeLock);
- refCount = InterlockedDecrement(&volp->refCount);
- osi_assertx(refCount >= 0, "cm_volume_t refCount underflow");
+ cm_PutVolume(volp);
}
lock_ReleaseRead(&cm_volumeLock);
}
cm_req_t req;
struct rx_connection * rxconnp;
char volName[32];
+ afs_uint32 volType;
char offLineMsg[256];
char motd[256];
long alldown, alldeleted;
OfflineMsg = offLineMsg;
MOTD = motd;
+ volType = cm_VolumeType(volp, volID);
+
if (statep->ID != 0 && (!volID || volID == statep->ID)) {
/* create fid for volume root so that VNOVOL and VMOVED errors can be processed */
cm_SetFid(&vfid, volp->cellp->cellID, statep->ID, 1, 1);
code = cm_GetSCache(&vfid, NULL, &vscp, cm_rootUserp, &req);
if (code = 0) {
- lock_ObtainWrite(&vscp->rw);
- code = cm_SyncOp(vscp, NULL, cm_rootUserp, &req, PRSFS_READ,
- CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
- lock_ReleaseWrite(&vscp->rw);
- if (code == 0) {
- do {
- code = cm_ConnFromVolume(volp, statep->ID, cm_rootUserp, &req, &connp);
- if (code)
- continue;
-
- rxconnp = cm_GetRxConn(connp);
- code = RXAFS_GetVolumeStatus(rxconnp, statep->ID,
- &volStat, &Name, &OfflineMsg, &MOTD);
- rx_PutConnection(rxconnp);
- } while (cm_Analyze(connp, cm_rootUserp, &req, &vfid, NULL, 0, NULL, NULL, NULL, code));
- code = cm_MapRPCError(code, &req);
- }
-
- lock_ObtainWrite(&vscp->rw);
- cm_SyncOpDone(vscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
- lock_ReleaseWrite(&vscp->rw);
- cm_ReleaseSCache(vscp);
+ do {
+ code = cm_ConnFromVolume(volp, statep->ID, cm_rootUserp, &req, &connp);
+ if (code)
+ continue;
+
+ rxconnp = cm_GetRxConn(connp);
+ code = RXAFS_GetVolumeStatus(rxconnp, statep->ID,
+ &volStat, &Name, &OfflineMsg, &MOTD);
+ rx_PutConnection(rxconnp);
+ } while (cm_Analyze(connp, cm_rootUserp, &req, &vfid, NULL, 0, NULL, NULL, NULL, NULL, code));
+ code = cm_MapRPCError(code, &req);
+
+ if (code == 0 && volType == ROVOL)
+ {
+ lock_ObtainWrite(&volp->rw);
+ volp->volumeSizeRO = volStat.BlocksInUse * 1024;
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RO_SIZE_VALID);
+ lock_ReleaseWrite(&volp->rw);
+ }
+
+ cm_ReleaseSCache(vscp);
}
lock_ObtainWrite(&volp->rw);
if (code == 0 && volStat.Online) {
*/
if ((volp->qflags & CM_VOLUME_QFLAG_IN_HASH) &&
!(volp->flags & CM_VOLUMEFLAG_NOEXIST)) {
- InterlockedIncrement(&volp->refCount);
+ cm_GetVolume(volp);
lock_ReleaseRead(&cm_volumeLock);
cm_CheckOfflineVolume(volp, 0);
lock_ObtainRead(&cm_volumeLock);
- refCount = InterlockedDecrement(&volp->refCount);
- osi_assertx(refCount >= 0, "cm_volume_t refCount underflow");
+ cm_PutVolume(volp);
}
}
lock_ReleaseRead(&cm_volumeLock);
for(volp = cm_data.allVolumesp; volp; volp=volp->allNextp)
{
code = 1 ; /* assume that list is unchanged */
- InterlockedIncrement(&volp->refCount);
+ cm_GetVolume(volp);
lock_ReleaseRead(&cm_volumeLock);
lock_ObtainWrite(&volp->rw);
lock_ReleaseWrite(&volp->rw);
lock_ObtainRead(&cm_volumeLock);
- refCount = InterlockedDecrement(&volp->refCount);
- osi_assertx(refCount >= 0, "cm_volume_t refCount underflow");
+ cm_PutVolume(volp);
}
lock_ReleaseRead(&cm_volumeLock);
}