/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#include <afsconfig.h>
#include <afs/param.h>
-#include <roken.h>
-
#include <afs/stds.h>
+#include <roken.h>
+
#include <windows.h>
#include <winsock2.h>
#include <nb30.h>
#include <string.h>
+#include <strsafe.h>
#include <malloc.h>
#include "afsd.h"
+#include "cm_getaddrs.h"
#include <osi.h>
#include <rx/rx.h>
osi_rwlock_t cm_volumeLock;
-long
+long
cm_ValidateVolume(void)
{
cm_volume_t * volp;
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 ( count != 0 && volp == cm_data.allVolumesp ||
+
+ 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");
fprintf(stderr, "cm_ValidateVolume failure: cm_data.allVolumep loop detected\n");
fprintf(stderr, "cm_ValidateVolume failure: count != cm_data.currentVolumes\n");
return -5;
}
-
+
return 0;
}
cm_VolumeStatusNotification(volp, volp->vol[volType].ID, volp->vol[volType].state, vl_alldown);
}
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;
}
afs_uint32 volType;
lock_InitializeRWLock(&volp->rw, "cm_volume_t rwlock", LOCK_HIERARCHY_VOLUME);
- volp->flags |= CM_VOLUMEFLAG_RESET;
- volp->flags &= ~CM_VOLUMEFLAG_UPDATING_VL;
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RESET);
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_UPDATING_VL);
+ volp->lastUpdateTime = 0;
for (volType = RWVOL; volType < NUM_VOL_TYPES; volType++) {
volp->vol[volType].state = vl_unknown;
volp->vol[volType].serversp = NULL;
cm_VolumeStatusNotification(volp, volp->vol[volType].ID, vl_unknown, volp->vol[volType].state);
}
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);
}
}
/* returns true if the id is a decimal integer, in which case we interpret it
- * as an id. make the cache manager much simpler.
+ * as an id. make the cache manager much simpler.
* Stolen from src/volser/vlprocs.c */
int
cm_VolNameIsID(char *aname)
* first, and fall back to successively older versions if you get
* RXGEN_OPCODE.
*/
-#define MULTIHOMED 1
+static long
+cm_GetEntryByName( struct cm_cell *cellp, const char *name,
+ struct vldbentry *vldbEntryp,
+ struct nvldbentry *nvldbEntryp,
+ struct uvldbentry *uvldbEntryp,
+ int *methodp,
+ cm_user_t *userp,
+ cm_req_t *reqp
+ )
+{
+ long code;
+ cm_conn_t *connp;
+ struct rx_connection * rxconnp;
+
+ osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s",
+ osi_LogSaveString(afsd_logp,cellp->name),
+ osi_LogSaveString(afsd_logp,name));
+ do {
+
+ code = cm_ConnByMServers(cellp->vlServersp, FALSE, userp, reqp, &connp);
+ if (code)
+ continue;
+
+ rxconnp = cm_GetRxConn(connp);
+ code = VL_GetEntryByNameU(rxconnp, name, uvldbEntryp);
+ *methodp = 2;
+ if ( code == RXGEN_OPCODE )
+ {
+ code = VL_GetEntryByNameN(rxconnp, name, nvldbEntryp);
+ *methodp = 1;
+ }
+ if ( code == RXGEN_OPCODE ) {
+ code = VL_GetEntryByNameO(rxconnp, name, vldbEntryp);
+ *methodp = 0;
+ }
+ rx_PutConnection(rxconnp);
+ } 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",
+ osi_LogSaveString(afsd_logp,cellp->name),
+ osi_LogSaveString(afsd_logp,name), code);
+ else
+ osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s SUCCESS",
+ osi_LogSaveString(afsd_logp,cellp->name),
+ osi_LogSaveString(afsd_logp,name));
+ return code;
+}
+
+static long
+cm_GetEntryByID( struct cm_cell *cellp, afs_uint32 id,
+ struct vldbentry *vldbEntryp,
+ struct nvldbentry *nvldbEntryp,
+ struct uvldbentry *uvldbEntryp,
+ int *methodp,
+ cm_user_t *userp,
+ cm_req_t *reqp
+ )
+{
+ char name[64];
+
+ StringCbPrintf(name, sizeof(name), "%u", id);
+
+ return cm_GetEntryByName(cellp, name, vldbEntryp, nvldbEntryp, uvldbEntryp, methodp, userp, reqp);
+}
+
long cm_UpdateVolumeLocation(struct cm_cell *cellp, cm_user_t *userp, cm_req_t *reqp,
cm_volume_t *volp)
{
- 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;
u_long tempAddr;
struct vldbentry vldbEntry;
struct nvldbentry nvldbEntry;
-#ifdef MULTIHOMED
struct uvldbentry uvldbEntry;
-#endif
int method = -1;
int ROcount = 0;
+ int isMixed = 0;
long code;
enum volstatus rwNewstate = vl_online;
enum volstatus roNewstate = vl_online;
int freelance = 0;
#endif
afs_uint32 volType;
+ time_t now;
lock_AssertWrite(&volp->rw);
* minutes and it did not exist, then avoid the RPC
* and return No Such Volume immediately.
*/
+ now = time(NULL);
if ((volp->flags & CM_VOLUMEFLAG_NOEXIST) &&
- volp->lastUpdateTime + 600 < time(0))
+ (now < volp->lastUpdateTime + 600))
{
return CM_ERROR_NOSUCHVOLUME;
}
#ifdef AFS_FREELANCE_CLIENT
- if ( cellp->cellID == AFS_FAKE_ROOT_CELL_ID && volp->vol[RWVOL].ID == AFS_FAKE_ROOT_VOL_ID )
+ if (cellp->cellID == AFS_FAKE_ROOT_CELL_ID)
{
- freelance = 1;
+ freelance = 1;
memset(&vldbEntry, 0, sizeof(vldbEntry));
vldbEntry.flags |= VLF_RWEXISTS;
vldbEntry.volumeId[0] = AFS_FAKE_ROOT_VOL_ID;
#endif
{
while (volp->flags & CM_VOLUMEFLAG_UPDATING_VL) {
- osi_Log3(afsd_logp, "cm_UpdateVolumeLocation sleeping name %s:%s flags 0x%x",
+ osi_Log3(afsd_logp, "cm_UpdateVolumeLocation sleeping name %s:%s flags 0x%x",
volp->cellp->name, volp->namep, volp->flags);
osi_SleepW((LONG_PTR) &volp->flags, &volp->rw);
lock_ObtainWrite(&volp->rw);
- osi_Log3(afsd_logp, "cm_UpdateVolumeLocation awake name %s:%s flags 0x%x",
+ osi_Log3(afsd_logp, "cm_UpdateVolumeLocation awake name %s:%s flags 0x%x",
volp->cellp->name, volp->namep, volp->flags);
if (!(volp->flags & CM_VOLUMEFLAG_RESET)) {
- osi_Log3(afsd_logp, "cm_UpdateVolumeLocation nothing to do, waking others name %s:%s flags 0x%x",
+ osi_Log3(afsd_logp, "cm_UpdateVolumeLocation nothing to do, waking others name %s:%s flags 0x%x",
volp->cellp->name, volp->namep, volp->flags);
osi_Wakeup((LONG_PTR) &volp->flags);
return 0;
}
+ now = time(NULL);
}
- volp->flags |= CM_VOLUMEFLAG_UPDATING_VL;
- lock_ReleaseWrite(&volp->rw);
+ /* Do not query again if the last update attempt failed in the last 60 seconds */
+ if ((volp->flags & CM_VOLUMEFLAG_RESET) && (volp->lastUpdateTime > now - 60))
+ {
+ osi_Log3(afsd_logp, "cm_UpdateVolumeLocation unsuccessful update in last 60 seconds -- name %s:%s flags 0x%x",
+ volp->cellp->name, volp->namep, volp->flags);
+ return(CM_ERROR_ALLDOWN);
+ }
- if (cellp->flags & CM_CELLFLAG_VLSERVER_INVALID)
- cm_UpdateCell(cellp, 0);
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_UPDATING_VL);
- /* now we have volume structure locked and held; make RPC to fill it */
- osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,volp->namep));
- do {
- struct rx_connection * rxconnp;
-
- code = cm_ConnByMServers(cellp->vlServersp, userp, reqp, &connp);
- if (code)
- continue;
+ /* Do not hold the volume lock across the RPC calls */
+ lock_ReleaseWrite(&volp->rw);
- rxconnp = cm_GetRxConn(connp);
-#ifdef MULTIHOMED
- code = VL_GetEntryByNameU(rxconnp, volp->namep, &uvldbEntry);
- method = 2;
- if ( code == RXGEN_OPCODE )
-#endif
- {
- code = VL_GetEntryByNameN(rxconnp, volp->namep, &nvldbEntry);
- method = 1;
- }
- if ( code == RXGEN_OPCODE ) {
- code = VL_GetEntryByNameO(rxconnp, volp->namep, &vldbEntry);
- method = 0;
- }
- rx_PutConnection(rxconnp);
- } while (cm_Analyze(connp, userp, reqp, 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",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,volp->namep), code);
- else
- osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s SUCCESS",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,volp->namep));
- }
+ if (cellp->flags & CM_CELLFLAG_VLSERVER_INVALID) {
+ cellp = cm_UpdateCell(cellp, 0);
+ if (cellp == NULL) {
+ lock_ObtainWrite(&volp->rw);
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_UPDATING_VL);
+ return(CM_ERROR_NOSUCHCELL);
+ }
+ }
- /* We can end up here with code == CM_ERROR_NOSUCHVOLUME if the base volume name
- * does not exist and is not a numeric string but there might exist a .readonly volume.
- * If the base name doesn't exist we will not care about the .backup that might be left
- * behind since there should be no method to access it.
- */
- if (code == CM_ERROR_NOSUCHVOLUME &&
- _atoi64(volp->namep) == 0 &&
- volp->vol[RWVOL].ID == 0 &&
- strlen(volp->namep) < (VL_MAXNAMELEN - 9)) {
- char name[VL_MAXNAMELEN];
-
- snprintf(name, VL_MAXNAMELEN, "%s.readonly", volp->namep);
-
/* now we have volume structure locked and held; make RPC to fill it */
- osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,name));
- do {
- struct rx_connection * rxconnp;
-
- code = cm_ConnByMServers(cellp->vlServersp, userp, reqp, &connp);
- if (code)
- continue;
+ code = cm_GetEntryByName(cellp, volp->namep, &vldbEntry, &nvldbEntry,
+ &uvldbEntry,
+ &method, userp, reqp);
+
+ /* We can end up here with code == CM_ERROR_NOSUCHVOLUME if the base volume name
+ * does not exist and is not a numeric string but there might exist a .readonly volume.
+ * If the base name doesn't exist we will not care about the .backup that might be left
+ * behind since there should be no method to access it.
+ */
+ if (code == CM_ERROR_NOSUCHVOLUME &&
+ _atoi64(volp->namep) == 0 &&
+ volp->vol[RWVOL].ID == 0 &&
+ strlen(volp->namep) < (VL_MAXNAMELEN - 9)) {
+ char name[VL_MAXNAMELEN];
+
+ snprintf(name, VL_MAXNAMELEN, "%s.readonly", volp->namep);
+
+ /* now we have volume structure locked and held; make RPC to fill it */
+ code = cm_GetEntryByName(cellp, name, &vldbEntry, &nvldbEntry,
+ &uvldbEntry,
+ &method, userp, reqp);
+ }
- rxconnp = cm_GetRxConn(connp);
-#ifdef MULTIHOMED
- code = VL_GetEntryByNameU(connp->rxconnp, name, &uvldbEntry);
- method = 2;
- if ( code == RXGEN_OPCODE )
-#endif
- {
- code = VL_GetEntryByNameN(connp->rxconnp, name, &nvldbEntry);
- method = 1;
- }
- if ( code == RXGEN_OPCODE ) {
- code = VL_GetEntryByNameO(connp->rxconnp, name, &vldbEntry);
- method = 0;
+ /*
+ * What if there was a volume rename? The volume name no longer exists but the
+ * volume id might. Try to refresh the volume location information based one
+ * of the readwrite or readonly volume id.
+ */
+ if (code == CM_ERROR_NOSUCHVOLUME) {
+ if (volp->vol[RWVOL].ID != 0) {
+ code = cm_GetEntryByID(cellp, volp->vol[RWVOL].ID, &vldbEntry, &nvldbEntry,
+ &uvldbEntry,
+ &method, userp, reqp);
+ } else if (volp->vol[ROVOL].ID != 0) {
+ code = cm_GetEntryByID(cellp, volp->vol[ROVOL].ID, &vldbEntry, &nvldbEntry,
+ &uvldbEntry,
+ &method, userp, reqp);
}
- rx_PutConnection(rxconnp);
- } while (cm_Analyze(connp, userp, reqp, 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",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,name), code);
- else
- osi_Log2(afsd_logp, "CALL VL_GetEntryByName{UNO} name %s:%s SUCCESS",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
- osi_LogSaveString(afsd_logp,name));
+ }
+ lock_ObtainWrite(&volp->rw);
}
-
- lock_ObtainWrite(&volp->rw);
+
if (code == 0) {
afs_int32 flags;
afs_int32 nServers;
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:
strncpy(name, nvldbEntry.name, VL_MAXNAMELEN);
name[VL_MAXNAMELEN - 1] = '\0';
break;
-#ifdef MULTIHOMED
case 2:
flags = uvldbEntry.flags;
nServers = uvldbEntry.nServers;
roID = uvldbEntry.volumeId[1];
bkID = uvldbEntry.volumeId[2];
for ( i=0, j=0; code == 0 && i<nServers && j<NMAXNSERVERS; i++ ) {
- if ( !(uvldbEntry.serverFlags[i] & VLSERVER_FLAG_UUID) ) {
+ if ( !(uvldbEntry.serverFlags[i] & VLSF_UUID) ) {
serverFlags[j] = uvldbEntry.serverFlags[i];
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 {
- struct rx_connection *rxconnp;
-
- code = cm_ConnByMServers(cellp->vlServersp, 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, 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 */
strncpy(name, uvldbEntry.name, VL_MAXNAMELEN);
name[VL_MAXNAMELEN - 1] = '\0';
break;
-#endif
}
/* decode the response */
lock_ObtainWrite(&cm_volumeLock);
- if (cm_VolNameIsID(volp->namep)) {
+ if (!cm_VolNameIsID(volp->namep)) {
size_t len;
len = strlen(name);
} else if (len >= 10 && strcmp(name + len - 9, ".readonly") == 0) {
name[len - 9] = '\0';
}
-
- osi_Log2(afsd_logp, "cm_UpdateVolume name %s -> %s",
+
+ osi_Log2(afsd_logp, "cm_UpdateVolume name %s -> %s",
osi_LogSaveString(afsd_logp,volp->namep), osi_LogSaveString(afsd_logp,name));
if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH)
}
if (flags & VLF_DFSFILESET) {
- volp->flags |= CM_VOLUMEFLAG_DFS_VOLUME;
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_DFS_VOLUME);
osi_Log1(afsd_logp, "cm_UpdateVolume Volume Group '%s' is a DFS File Set. Correct behavior is not implemented.",
osi_LogSaveString(afsd_logp, volp->namep));
}
volp->vol[BACKVOL].ID = 0;
}
lock_ReleaseWrite(&cm_volumeLock);
+
+ /* See if the replica sites are mixed versions */
+ for (i=0; i<nServers; i++) {
+ if (serverFlags[i] & VLSF_NEWREPSITE) {
+ isMixed = 1;
+ break;
+ }
+ }
+
for (i=0; i<nServers; i++) {
/* create a server entry */
tflags = serverFlags[i];
- if (tflags & VLSF_DONTUSE)
+ if (tflags & VLSF_DONTUSE)
continue;
tsockAddr.sin_port = htons(7000);
tsockAddr.sin_family = AF_INET;
tempAddr = htonl(serverNumber[i]);
tsockAddr.sin_addr.s_addr = tempAddr;
- tsp = cm_FindServer(&tsockAddr, CM_SERVER_FILE);
+ tsp = cm_FindServer(&tsockAddr, CM_SERVER_FILE, FALSE);
if (tsp && (method == 2) && (tsp->flags & CM_SERVERFLAG_UUID)) {
- /*
+ /*
* Check to see if the uuid of the server we know at this address
* matches the uuid of the server we are being told about by the
* vlserver. If not, ...?
if (!tsp) {
/*
* cm_NewServer will probe the file server which in turn will
- * update the state on the volume group object
+ * update the state on the volume group object. Do not probe
+ * in this thread. It will block the thread and can result in
+ * a recursive call to cm_UpdateVolumeLocation().
*/
lock_ReleaseWrite(&volp->rw);
- tsp = cm_NewServer(&tsockAddr, CM_SERVER_FILE, cellp, &serverUUID[i], 0);
+ tsp = cm_NewServer(&tsockAddr, CM_SERVER_FILE, cellp, &serverUUID[i], CM_FLAG_NOPROBE);
lock_ObtainWrite(&volp->rw);
}
osi_assertx(tsp != NULL, "null cm_server_t");
-
+
/*
* if this server was created by fs setserverprefs
- * then it won't have either a cell assignment or
+ * then it won't have either a cell assignment or
* a server uuid.
*/
- if ( !tsp->cellp )
+ if ( !tsp->cellp )
tsp->cellp = cellp;
- if ( (method == 2) && !(tsp->flags & CM_SERVERFLAG_UUID) &&
+ if ( (method == 2) && !(tsp->flags & CM_SERVERFLAG_UUID) &&
!afs_uuid_is_nil(&serverUUID[i])) {
tsp->uuid = serverUUID[i];
- tsp->flags |= CM_SERVERFLAG_UUID;
+ _InterlockedOr(&tsp->flags, CM_SERVERFLAG_UUID);
}
/* and add it to the list(s). */
if ((tflags & VLSF_RWVOL) && (flags & VLF_RWEXISTS)) {
tsrp = cm_NewServerRef(tsp, rwID);
cm_InsertServerList(&volp->vol[RWVOL].serversp, tsrp);
-
- lock_ObtainWrite(&cm_serverLock);
- tsrp->refCount--; /* drop allocation reference */
- lock_ReleaseWrite(&cm_serverLock);
-
if (!(tsp->flags & CM_SERVERFLAG_DOWN))
rwServers_alldown = 0;
}
- if ((tflags & VLSF_ROVOL) && (flags & VLF_ROEXISTS)) {
+ /*
+ * If there are mixed versions of RO releases on the replica
+ * sites, skip the servers with the out of date versions.
+ */
+ if ((tflags & VLSF_ROVOL) && (flags & VLF_ROEXISTS) &&
+ (!isMixed || (tflags & VLSF_NEWREPSITE))) {
tsrp = cm_NewServerRef(tsp, roID);
cm_InsertServerList(&volp->vol[ROVOL].serversp, tsrp);
- lock_ObtainWrite(&cm_serverLock);
- tsrp->refCount--; /* drop allocation reference */
- lock_ReleaseWrite(&cm_serverLock);
ROcount++;
if (!(tsp->flags & CM_SERVERFLAG_DOWN))
roServers_alldown = 0;
}
/* We don't use VLSF_BACKVOL !?! */
- /* Because only the backup on the server holding the RW
+ /* Because only the backup on the server holding the RW
* volume can be valid. This check prevents errors if a
* RW is moved but the old backup is not removed.
*/
if ((tflags & VLSF_RWVOL) && (flags & VLF_BACKEXISTS)) {
tsrp = cm_NewServerRef(tsp, bkID);
cm_InsertServerList(&volp->vol[BACKVOL].serversp, tsrp);
- lock_ObtainWrite(&cm_serverLock);
- tsrp->refCount--; /* drop allocation reference */
- lock_ReleaseWrite(&cm_serverLock);
if (!(tsp->flags & CM_SERVERFLAG_DOWN))
bkServers_alldown = 0;
}
/* Drop the reference obtained by cm_FindServer() */
cm_PutServer(tsp);
- }
+ }
/*
* Randomize RO list
*
- * If the first n servers have the same ipRank, then we
+ * If the first n servers have the same rank, then we
* randomly pick one among them and move it to the beginning.
* We don't bother to re-order the whole list because
* the rest of the list is used only if the first server is
*/
if (ROcount > 1) {
cm_RandomizeServer(&volp->vol[ROVOL].serversp);
+ _InterlockedOr(&volp->vol[ROVOL].flags, CM_VOL_STATE_FLAG_REPLICATED);
+ }
+ else {
+ _InterlockedAnd(&volp->vol[ROVOL].flags, ~CM_VOL_STATE_FLAG_REPLICATED);
}
rwNewstate = rwServers_alldown ? vl_alldown : vl_online;
roNewstate = roServers_alldown ? vl_alldown : vl_online;
bkNewstate = bkServers_alldown ? vl_alldown : vl_online;
- volp->flags &= ~CM_VOLUMEFLAG_NOEXIST;
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_NOEXIST);
} else if (code == CM_ERROR_NOSUCHVOLUME || code == VL_NOENT || code == VL_BADNAME) {
- volp->flags |= CM_VOLUMEFLAG_NOEXIST;
+ _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) {
volp->vol[BACKVOL].state = bkNewstate;
}
- volp->lastUpdateTime = time(0);
+ if (code == 0 || (volp->flags & CM_VOLUMEFLAG_NOEXIST))
+ volp->lastUpdateTime = time(NULL);
+
+ if (isMixed)
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RO_MIXED);
+ else
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_RO_MIXED);
if (code == 0)
- volp->flags &= ~CM_VOLUMEFLAG_RESET;
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_RESET);
- volp->flags &= ~CM_VOLUMEFLAG_UPDATING_VL;
- osi_Log4(afsd_logp, "cm_UpdateVolumeLocation done, waking others name %s:%s flags 0x%x code 0x%x",
- osi_LogSaveString(afsd_logp,volp->cellp->name),
+ _InterlockedAnd(&volp->flags, ~CM_VOLUMEFLAG_UPDATING_VL);
+ osi_Log4(afsd_logp, "cm_UpdateVolumeLocation done, waking others name %s:%s flags 0x%x code 0x%x",
+ osi_LogSaveString(afsd_logp,volp->cellp->name),
osi_LogSaveString(afsd_logp,volp->namep), volp->flags, code);
osi_Wakeup((LONG_PTR) &volp->flags);
}
/* hold the volume if we found it */
- if (volp)
+ if (volp)
cm_GetVolume(volp);
-
+
lock_ReleaseRead(&cm_volumeLock);
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)
{
(unsigned) volumeID == volp->vol[ROVOL].ID ||
(unsigned) volumeID == volp->vol[BACKVOL].ID))
break;
- }
+ }
volp2 = volp;
#endif /* SEARCH_ALL_VOLUMES */
#endif
/* hold the volume if we found it */
- if (volp)
+ if (volp)
cm_GetVolume(volp);
-
+
lock_ReleaseRead(&cm_volumeLock);
/* return it held */
if (volp) {
lock_ObtainWrite(&volp->rw);
-
+
code = 0;
if ((volp->flags & CM_VOLUMEFLAG_RESET) && !(flags & CM_GETVOL_FLAG_NO_RESET)) {
code = cm_UpdateVolumeLocation(cellp, userp, reqp, volp);
}
return code;
}
-
+
/* otherwise, we didn't find it so consult the VLDB */
sprintf(volNameString, "%u", volumeID);
code = cm_FindVolumeByName(cellp, volNameString, userp, reqp,
flags | CM_GETVOL_FLAG_IGNORE_LINKED_CELL, outVolpp);
- if (code == CM_ERROR_NOSUCHVOLUME && cellp->linkedName[0] &&
+ if (code == CM_ERROR_NOSUCHVOLUME && cellp->linkedName[0] &&
!(flags & CM_GETVOL_FLAG_IGNORE_LINKED_CELL)) {
cm_cell_t *linkedCellp = cm_GetCell(cellp->linkedName, flags);
if (linkedCellp)
- code = cm_FindVolumeByID(linkedCellp, volumeID, userp, reqp,
- flags | CM_GETVOL_FLAG_IGNORE_LINKED_CELL,
+ code = cm_FindVolumeByID(linkedCellp, volumeID, userp, reqp,
+ flags | CM_GETVOL_FLAG_IGNORE_LINKED_CELL,
outVolpp);
}
return code;
if (cellp == volp->cellp && strcmp(name, volp->namep) == 0) {
break;
}
- }
+ }
volp2 = volp;
#endif /* SEARCH_ALL_VOLUMES */
afs_uint32 volType;
/* otherwise, get from VLDB */
- /*
+ /*
* Change to a write lock so that we have exclusive use of
- * the first cm_volume_t with a refCount of 0 so that we
+ * the first cm_volume_t with a refCount of 0 so that we
* have time to increment it.
*/
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;
-
- 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->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 */
if ((volp->flags & CM_VOLUMEFLAG_RESET) && !(flags & CM_GETVOL_FLAG_NO_RESET)) {
code = cm_UpdateVolumeLocation(cellp, userp, reqp, volp);
- }
+ }
lock_ReleaseWrite(&volp->rw);
if (code == 0 && (type == BACKVOL && volp->vol[BACKVOL].ID == 0 ||
if (code == 0) {
*outVolpp = volp;
-
+
lock_ObtainWrite(&cm_volumeLock);
if (!(volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE) ||
(flags & CM_GETVOL_FLAG_NO_LRU_UPDATE))
lock_ReleaseWrite(&cm_volumeLock);
}
- if (code == CM_ERROR_NOSUCHVOLUME && cellp->linkedName[0] &&
+ if (code == CM_ERROR_NOSUCHVOLUME && cellp->linkedName[0] &&
!(flags & CM_GETVOL_FLAG_IGNORE_LINKED_CELL)) {
cm_cell_t *linkedCellp = cm_GetCell(cellp->linkedName, flags);
if (linkedCellp)
- code = cm_FindVolumeByName(linkedCellp, volumeNamep, userp, reqp,
- flags | CM_GETVOL_FLAG_IGNORE_LINKED_CELL,
+ code = cm_FindVolumeByName(linkedCellp, volumeNamep, userp, reqp,
+ flags | CM_GETVOL_FLAG_IGNORE_LINKED_CELL,
outVolpp);
}
return code;
-}
+}
-/*
+/*
* Only call this function in response to a VNOVOL or VMOVED error
* from a file server. Do not call it in response to CM_ERROR_NOSUCHVOLUME
* as that can lead to recursive calls.
afs_uint32 hash;
long code;
- if (!fidp)
+ if (!fidp)
return CM_ERROR_INVAL;
cellp = cm_FindCellByID(fidp->cell, 0);
- if (!cellp)
+ if (!cellp)
return CM_ERROR_NOSUCHCELL;
/* search for the volume */
fidp->volume == volp->vol[ROVOL].ID ||
fidp->volume == volp->vol[BACKVOL].ID))
break;
- }
+ }
#endif /* SEARCH_ALL_VOLUMES */
hash = CM_VOLUME_ID_HASH(fidp->volume);
osi_assertx(volp == volp2, "unexpected cm_vol_t");
#endif
/* hold the volume if we found it */
- if (volp)
+ if (volp)
cm_GetVolume(volp);
lock_ReleaseRead(&cm_volumeLock);
/* update it */
cm_data.mountRootGen = time(NULL);
lock_ObtainWrite(&volp->rw);
- volp->flags |= CM_VOLUMEFLAG_RESET;
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RESET);
+ volp->lastUpdateTime = 0;
code = cm_UpdateVolumeLocation(cellp, userp, reqp, volp);
lock_ReleaseWrite(&volp->rw);
}
/* find the appropriate servers from a volume */
-cm_serverRef_t **cm_GetVolServers(cm_volume_t *volp, afs_uint32 volume, cm_user_t *userp, cm_req_t *reqp)
+cm_serverRef_t **cm_GetVolServers(cm_volume_t *volp, afs_uint32 volid, cm_user_t *userp, cm_req_t *reqp, afs_uint32 *replicated)
{
cm_serverRef_t **serverspp;
cm_serverRef_t *current;
int firstTry = 1;
+ cm_vol_state_t *volstatep = NULL;
start:
- lock_ObtainWrite(&cm_serverLock);
+ volstatep = cm_VolumeStateByID(volp, volid);
- if (volume == volp->vol[RWVOL].ID)
- serverspp = &volp->vol[RWVOL].serversp;
- else if (volume == volp->vol[ROVOL].ID)
- serverspp = &volp->vol[ROVOL].serversp;
- else if (volume == volp->vol[BACKVOL].ID)
- serverspp = &volp->vol[BACKVOL].serversp;
- else {
+ lock_ObtainWrite(&cm_serverLock);
+ if (volstatep) {
+ if (replicated)
+ *replicated = (volstatep->flags & CM_VOL_STATE_FLAG_REPLICATED);
+ serverspp = &volstatep->serversp;
+ } else {
lock_ReleaseWrite(&cm_serverLock);
if (firstTry) {
afs_int32 code;
firstTry = 0;
lock_ObtainWrite(&volp->rw);
- volp->flags |= CM_VOLUMEFLAG_RESET;
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RESET);
+ volp->lastUpdateTime = 0;
code = cm_UpdateVolumeLocation(volp->cellp, userp, reqp, volp);
lock_ReleaseWrite(&volp->rw);
if (code == 0)
return NULL;
}
- /*
+ /*
* Increment the refCount on deleted items as well.
- * They will be freed by cm_FreeServerList when they get to zero
+ * They will be freed by cm_FreeServerList when they get to zero
*/
- for (current = *serverspp; current; current = current->next)
- current->refCount++;
+ for (current = *serverspp; current; current = current->next)
+ cm_GetServerRef(current, TRUE);
lock_ReleaseWrite(&cm_serverLock);
long id;
lock_ObtainRead(&volp->rw);
- if (volp->vol[ROVOL].ID && volp->vol[ROVOL].serversp)
+ if (volp->vol[ROVOL].ID && !cm_IsServerListEmpty(volp->vol[ROVOL].serversp))
id = volp->vol[ROVOL].ID;
else
id = volp->vol[RWVOL].ID;
*/
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->lastUpdateTime + lifetime <= now)
- volp->flags |= CM_VOLUMEFLAG_RESET;
+ 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);
+ volp->lastUpdateTime = 0;
+ }
+ } else {
+ if (volp->lastUpdateTime + lifetime <= now) {
+ _InterlockedOr(&volp->flags, CM_VOLUMEFLAG_RESET);
+ volp->lastUpdateTime = 0;
+ }
+ }
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);
}
cm_req_t req;
struct rx_connection * rxconnp;
char volName[32];
+ afs_uint32 volType;
char offLineMsg[256];
char motd[256];
long alldown, alldeleted;
cm_serverRef_t *serversp;
- cm_fid_t fid;
+ cm_fid_t vfid;
+ cm_scache_t *vscp = NULL;
Name = volName;
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(&fid, volp->cellp->cellID, statep->ID, 1, 1);
+ cm_SetFid(&vfid, volp->cellp->cellID, statep->ID, 1, 1);
if (!statep->serversp && !(*volumeUpdatedp)) {
cm_InitReq(&req);
*volumeUpdatedp = 1;
}
+ lock_ObtainRead(&cm_serverLock);
if (statep->serversp) {
alldown = 1;
alldeleted = 1;
continue;
alldeleted = 0;
- *onlinep = 1;
- alldown = 0;
-
+
+ if (!(serversp->server->flags & CM_SERVERFLAG_DOWN))
+ alldown = 0;
+
if (serversp->status == srv_busy || serversp->status == srv_offline)
serversp->status = srv_not_busy;
}
+ lock_ReleaseRead(&cm_serverLock);
if (alldeleted && !(*volumeUpdatedp)) {
cm_InitReq(&req);
(!alldown && statep->state == vl_alldown)) {
cm_InitReq(&req);
req.flags |= CM_REQ_OFFLINE_VOL_CHK;
-
lock_ReleaseWrite(&volp->rw);
- 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, &fid, NULL, NULL, NULL, code));
- code = cm_MapRPCError(code, &req);
+ code = cm_GetSCache(&vfid, NULL, &vscp, cm_rootUserp, &req);
+ 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, 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) {
cm_VolumeStatusNotification(volp, statep->ID, statep->state, vl_online);
cm_VolumeStatusNotification(volp, statep->ID, statep->state, vl_alldown);
statep->state = vl_alldown;
}
- } else if (statep->state != vl_alldown) {
- cm_VolumeStatusNotification(volp, statep->ID, statep->state, vl_alldown);
- statep->state = vl_alldown;
+ } else {
+ lock_ReleaseRead(&cm_serverLock);
+ if (statep->state != vl_alldown) {
+ cm_VolumeStatusNotification(volp, statep->ID, statep->state, vl_alldown);
+ statep->state = vl_alldown;
+ }
}
}
}
-/* The return code is 0 if the volume is not online and
+/* The return code is 0 if the volume is not online and
* 1 if the volume is online
*/
long
}
-/*
+/*
* called from the Daemon thread.
* when checking the offline status, check those of the most recently used volumes first.
*/
extern int powerStateSuspended;
lock_ObtainRead(&cm_volumeLock);
- for (volp = cm_data.volumeLRULastp;
- volp && !daemon_ShutdownFlag && !powerStateSuspended;
+ for (volp = cm_data.volumeLRULastp;
+ volp && !daemon_ShutdownFlag && !powerStateSuspended;
volp=(cm_volume_t *) osi_QPrev(&volp->q)) {
- if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH) {
- InterlockedIncrement(&volp->refCount);
+ /*
+ * Skip volume entries that did not exist last time
+ * the vldb was queried. For those entries wait until
+ * the next actual request is received for the volume
+ * before checking its state.
+ */
+ if ((volp->qflags & CM_VOLUME_QFLAG_IN_HASH) &&
+ !(volp->flags & CM_VOLUMEFLAG_NOEXIST)) {
+ 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);
lock_ObtainWrite(&cm_serverLock);
for (tsrp = statep->serversp; tsrp; tsrp=tsrp->next) {
tsp = tsrp->server;
- sprintf(addr, "%d.%d.%d.%d",
+ sprintf(addr, "%d.%d.%d.%d",
((tsp->addr.sin_addr.s_addr & 0xff)),
((tsp->addr.sin_addr.s_addr & 0xff00)>> 8),
((tsp->addr.sin_addr.s_addr & 0xff0000)>> 16),
- ((tsp->addr.sin_addr.s_addr & 0xff000000)>> 24));
+ ((tsp->addr.sin_addr.s_addr & 0xff000000)>> 24));
if (tsrp->status == srv_deleted) {
- osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s deleted",
+ osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s deleted",
statep->ID, osi_LogSaveString(afsd_logp,addr));
continue;
}
if (!(tsp->flags & CM_SERVERFLAG_DOWN)) {
allDown = 0;
if (tsrp->status == srv_busy) {
- osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s busy",
+ osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s busy",
statep->ID, osi_LogSaveString(afsd_logp,addr));
allOffline = 0;
someBusy = 1;
} else if (tsrp->status == srv_offline) {
- osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s offline",
+ osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s offline",
statep->ID, osi_LogSaveString(afsd_logp,addr));
allBusy = 0;
someOffline = 1;
} else {
- osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s online",
+ osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s online",
statep->ID, osi_LogSaveString(afsd_logp,addr));
allOffline = 0;
allBusy = 0;
}
} else {
- osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s down",
+ osi_Log2(afsd_logp, "cm_UpdateVolumeStatusInt volume %d server reference %s down",
statep->ID, osi_LogSaveString(afsd_logp,addr));
}
cm_PutServerNoLock(tsp);
}
- }
+ }
lock_ReleaseWrite(&cm_serverLock);
- osi_Log5(afsd_logp, "cm_UpdateVolumeStatusInt allDown %d allBusy %d someBusy %d someOffline %d allOffline %d",
+ osi_Log5(afsd_logp, "cm_UpdateVolumeStatusInt allDown %d allBusy %d someBusy %d someOffline %d allOffline %d",
allDown, allBusy, someBusy, someOffline, allOffline);
if (allDown)
newStatus = vl_alldown;
- else if (allBusy || (someBusy && someOffline))
+ else if (allBusy || (someBusy && someOffline))
newStatus = vl_busy;
else if (allOffline)
newStatus = vl_offline;
/*
* If we are called with volID == 0 then something has gone wrong.
* Most likely a race occurred in the server volume list maintenance.
- * Since we don't know which volume's status should be updated,
- * just update all of them that are known to exist. Better to be
+ * Since we don't know which volume's status should be updated,
+ * just update all of them that are known to exist. Better to be
* correct than fast.
*/
afs_uint32 volType;
** RO list according to the changed rank of server.
*/
void cm_ChangeRankVolume(cm_server_t *tsp)
-{
+{
int code;
cm_volume_t* volp;
afs_int32 refCount;
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);
-}
+}
-/* dump all volumes that have reference count > 0 to a file.
- * cookie is used to identify this batch for easy parsing,
- * and it a string provided by a caller
+/* dump all volumes that have reference count > 0 to a file.
+ * cookie is used to identify this batch for easy parsing,
+ * and it a string provided by a caller
*/
int cm_DumpVolumes(FILE *outputFile, char *cookie, int lock)
{
int zilch;
cm_volume_t *volp;
char output[1024];
-
+
if (lock) {
lock_ObtainRead(&cm_scacheLock);
lock_ObtainRead(&cm_volumeLock);
}
-
+
sprintf(output, "%s - dumping volumes - cm_data.currentVolumes=%d, cm_data.maxVolumes=%d\r\n",
cookie, cm_data.currentVolumes, cm_data.maxVolumes);
WriteFile(outputFile, output, (DWORD)strlen(output), &zilch, NULL);
-
+
for (volp = cm_data.allVolumesp; volp; volp=volp->allNextp)
{
time_t t;
}
sprintf(output, "%s - Done dumping volumes.\r\n", cookie);
WriteFile(outputFile, output, (DWORD)strlen(output), &zilch, NULL);
-
+
if (lock) {
lock_ReleaseRead(&cm_volumeLock);
lock_ReleaseRead(&cm_scacheLock);
}
- return (0);
+ return (0);
}
-/*
+/*
* String hash function used by SDBM project.
* It was chosen because it is fast and provides
* decent coverage.
void cm_AddVolumeToNameHashTable(cm_volume_t *volp)
{
int i;
-
+
if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH)
return;
volp->nameNextp = cm_data.volumeNameHashTablep[i];
cm_data.volumeNameHashTablep[i] = volp;
- volp->qflags |= CM_VOLUME_QFLAG_IN_HASH;
+ _InterlockedOr(&volp->qflags, CM_VOLUME_QFLAG_IN_HASH);
}
/* call with volume write-locked and mutex held */
cm_volume_t **lvolpp;
cm_volume_t *tvolp;
int i;
-
+
if (volp->qflags & CM_VOLUME_QFLAG_IN_HASH) {
/* hash it out first */
i = CM_VOLUME_NAME_HASH(volp->namep);
lvolpp = &tvolp->nameNextp, tvolp = tvolp->nameNextp) {
if (tvolp == volp) {
*lvolpp = volp->nameNextp;
- volp->qflags &= ~CM_VOLUME_QFLAG_IN_HASH;
+ _InterlockedAnd(&volp->qflags, ~CM_VOLUME_QFLAG_IN_HASH);
volp->nameNextp = NULL;
break;
}
statep->nextp = cm_data.volumeRWIDHashTablep[i];
cm_data.volumeRWIDHashTablep[i] = volp;
break;
- case ROVOL:
+ case ROVOL:
statep->nextp = cm_data.volumeROIDHashTablep[i];
cm_data.volumeROIDHashTablep[i] = volp;
break;
cm_data.volumeBKIDHashTablep[i] = volp;
break;
}
- statep->qflags |= CM_VOLUME_QFLAG_IN_HASH;
+ _InterlockedOr(&statep->qflags, CM_VOLUME_QFLAG_IN_HASH);
}
cm_volume_t *tvolp;
struct cm_vol_state * statep;
int i;
-
+
statep = cm_VolumeStateByType(volp, volType);
if (statep->qflags & CM_VOLUME_QFLAG_IN_HASH) {
do {
if (tvolp == volp) {
*lvolpp = statep->nextp;
- statep->qflags &= ~CM_VOLUME_QFLAG_IN_HASH;
+ _InterlockedAnd(&statep->qflags, ~CM_VOLUME_QFLAG_IN_HASH);
statep->nextp = NULL;
break;
}
if (volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE)
osi_QRemoveHT((osi_queue_t **) &cm_data.volumeLRUFirstp, (osi_queue_t **) &cm_data.volumeLRULastp, &volp->q);
osi_QAddH((osi_queue_t **) &cm_data.volumeLRUFirstp, (osi_queue_t **) &cm_data.volumeLRULastp, &volp->q);
- volp->qflags |= CM_VOLUME_QFLAG_IN_LRU_QUEUE;
+ _InterlockedOr(&volp->qflags, CM_VOLUME_QFLAG_IN_LRU_QUEUE);
osi_assertx(cm_data.volumeLRULastp != NULL, "null cm_data.volumeLRULastp");
}
if (volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE)
osi_QRemoveHT((osi_queue_t **) &cm_data.volumeLRUFirstp, (osi_queue_t **) &cm_data.volumeLRULastp, &volp->q);
osi_QAddT((osi_queue_t **) &cm_data.volumeLRUFirstp, (osi_queue_t **) &cm_data.volumeLRULastp, &volp->q);
- volp->qflags |= CM_VOLUME_QFLAG_IN_LRU_QUEUE;
+ _InterlockedOr(&volp->qflags, CM_VOLUME_QFLAG_IN_LRU_QUEUE);
osi_assertx(cm_data.volumeLRULastp != NULL, "null cm_data.volumeLRULastp");
}
if (volp->qflags & CM_VOLUME_QFLAG_IN_LRU_QUEUE) {
osi_QRemoveHT((osi_queue_t **) &cm_data.volumeLRUFirstp, (osi_queue_t **) &cm_data.volumeLRULastp, &volp->q);
- volp->qflags &= ~CM_VOLUME_QFLAG_IN_LRU_QUEUE;
+ _InterlockedAnd(&volp->qflags, ~CM_VOLUME_QFLAG_IN_LRU_QUEUE);
}
osi_assertx(cm_data.volumeLRULastp != NULL, "null cm_data.volumeLRULastp");
osi_LogSaveString(afsd_logp, volstr), volID, volstatus_str(old), volstatus_str(new));
cm_VolStatus_Change_Notification(volp->cellp->cellID, volID, new);
-}
+}
enum volstatus cm_GetVolumeStatus(cm_volume_t *volp, afs_uint32 volID)
{
/* Renew .readonly volume callbacks that are more than
* 30 minutes old. (A volume callback is issued for 2 hours.)
*/
-void
+void
cm_VolumeRenewROCallbacks(void)
{
cm_volume_t * volp;
cm_InitReq(&req);
lock_ReleaseRead(&cm_volumeLock);
- if (cm_GetSCache(&fid, &scp, cm_rootUserp, &req) == 0) {
+ if (cm_GetSCache(&fid, NULL, &scp, cm_rootUserp, &req) == 0) {
lock_ObtainWrite(&scp->rw);
cm_GetCallback(scp, cm_rootUserp, &req, 1);
lock_ReleaseWrite(&scp->rw);
lock_ReleaseRead(&cm_volumeLock);
}
-cm_vol_state_t *
+cm_vol_state_t *
cm_VolumeStateByType(cm_volume_t *volp, afs_uint32 volType)
{
return &volp->vol[volType];
}
-cm_vol_state_t *
+cm_vol_state_t *
cm_VolumeStateByID(cm_volume_t *volp, afs_uint32 id)
{
cm_vol_state_t * statep = NULL;
return(statep);
}
-cm_vol_state_t *
+cm_vol_state_t *
cm_VolumeStateByName(cm_volume_t *volp, char *volname)
{
size_t len = strlen(volname);
statep = &volp->vol[ROVOL];
else if (cm_stricmp_utf8N(".backup", &volname[len-7]) == 0)
statep = &volp->vol[BACKVOL];
- else
+ else
statep = &volp->vol[RWVOL];
return statep;
}
-afs_int32
+afs_int32
cm_VolumeType(cm_volume_t *volp, afs_uint32 id)
{
if (id == volp->vol[RWVOL].ID)
return -1;
}
+
+LONG_PTR
+cm_ChecksumVolumeServerList(struct cm_fid *fidp, cm_user_t *userp, cm_req_t *reqp)
+{
+ LONG_PTR cksum = 0;
+ long code;
+ afs_uint32 replicated;
+ cm_serverRef_t **serverspp;
+
+ code = cm_GetServerList(fidp, userp, reqp, &replicated, &serverspp);
+ if (code == 0) {
+ cksum = cm_ChecksumServerList(*serverspp);
+ cm_FreeServerList(serverspp, 0);
+ }
+ return cksum;
+}
+
+afs_int32
+cm_IsVolumeReplicated(cm_fid_t *fidp)
+{
+ afs_int32 replicated = 0;
+ cm_volume_t *volp;
+ cm_vol_state_t * volstatep;
+
+ volp = cm_GetVolumeByFID(fidp);
+ if (volp) {
+ volstatep = cm_VolumeStateByID(volp, fidp->volume);
+ replicated = (volstatep->flags & CM_VOL_STATE_FLAG_REPLICATED);
+ cm_PutVolume(volp);
+ }
+
+ return replicated;
+}
git://git.openafs.org / openafs.git / blobdiff