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Merge pull request #159 from Zentyal/ejhernandez/fixes-on-move

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Maintain PidTagPredecessorChangeList with client's data
This commit is contained in:
Julio J. García Martín
2015-08-04 18:13:19 +02:00
parent 26bd1b30fa 321672e2c3
commit 18f758cb0a
10 changed files with 320 additions and 46 deletions
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OpenChange/MAPIStoreDBMessage.m
+104
View File
@@ -22,6 +22,7 @@
#import <Foundation/NSArray.h>
#import <Foundation/NSCalendarDate.h>
#import <Foundation/NSData.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSString.h>
#import <Foundation/NSValue.h>
@@ -34,6 +35,7 @@
#import "MAPIStoreDBFolder.h"
#import "MAPIStoreDBMessage.h"
#import "MAPIStoreTypes.h"
#import "NSData+MAPIStore.h"
#import "NSObject+MAPIStore.h"
#import "NSString+MAPIStore.h"
@@ -104,6 +106,105 @@
return objectVersion;
}
- (void) _updatePredecessorChangeList
{
BOOL updated;
enum mapistore_error rc;
NSData *currentChangeList, *changeKey;
NSMutableArray *changeKeys;
NSMutableData *newChangeList;
NSUInteger count, len;
struct SizedXid *changes;
struct SPropValue property;
struct SRow aRow;
struct XID *currentChangeKey;
TALLOC_CTX *localMemCtx;
uint32_t nChanges;
localMemCtx = talloc_new (NULL);
if (!localMemCtx)
{
[self errorWithFormat: @"No more memory"];
return;
}
changeKey = [self getReplicaKeyFromGlobCnt: [self objectVersion]];
currentChangeList = [properties objectForKey: MAPIPropertyKey (PidTagPredecessorChangeList)];
if (!currentChangeList)
{
/* Create a new PredecessorChangeList */
len = [changeKey length];
newChangeList = [NSMutableData dataWithCapacity: len + 1];
[newChangeList appendUInt8: len];
[newChangeList appendData: changeKey];
}
else
{
/* Update current predecessor change list with new change key */
changes = [currentChangeList asSizedXidArrayInMemCtx: localMemCtx
with: &nChanges];
updated = NO;
currentChangeKey = [changeKey asXIDInMemCtx: localMemCtx];
for (count = 0; count < nChanges && !updated; count++)
{
if (GUID_equal(&changes[count].XID.NameSpaceGuid, &currentChangeKey->NameSpaceGuid))
{
NSData *globCnt, *oldGlobCnt;
oldGlobCnt = [NSData dataWithBytes: changes[count].XID.LocalId.data length: changes[count].XID.LocalId.length];
globCnt = [NSData dataWithBytes: currentChangeKey->LocalId.data length: currentChangeKey->LocalId.length];
if ([globCnt compare: oldGlobCnt] == NSOrderedDescending)
{
if ([globCnt length] != [oldGlobCnt length])
{
[self errorWithFormat: @"Cannot compare globcnt with different length: %@ and %@", globCnt, oldGlobCnt];
abort();
}
memcpy (changes[count].XID.LocalId.data, currentChangeKey->LocalId.data, currentChangeKey->LocalId.length);
updated = YES;
}
}
}
/* Serialise it */
changeKeys = [NSMutableArray array];
if (!updated)
[changeKeys addObject: changeKey];
for (count = 0; count < nChanges; count++)
{
changeKey = [NSData dataWithXID: &changes[count].XID];
[changeKeys addObject: changeKey];
}
[changeKeys sortUsingFunction: MAPIChangeKeyGUIDCompare context: localMemCtx];
newChangeList = [NSMutableData data];
len = [changeKeys count];
for (count = 0; count < len; count++)
{
changeKey = [changeKeys objectAtIndex: count];
[newChangeList appendUInt8: [changeKey length]];
[newChangeList appendData: changeKey];
}
}
if ([newChangeList length] > 0)
{
property.ulPropTag = PidTagPredecessorChangeList;
property.value.bin = *[newChangeList asBinaryInMemCtx: localMemCtx];
aRow.cValues = 1;
aRow.lpProps = &property;
rc = [self addPropertiesFromRow: &aRow];
if (rc != MAPISTORE_SUCCESS)
[self errorWithFormat: @"Impossible to add a new predecessor change list: %d", rc];
}
talloc_free (localMemCtx);
}
//
// FIXME: how this can happen?
//
@@ -166,6 +267,9 @@
[properties setObject: [NSNumber numberWithUnsignedLongLong: newVersion]
forKey: @"version"];
/* Update PredecessorChangeList accordingly */
[self _updatePredecessorChangeList];
[self logWithFormat: @"%d props in dict", [properties count]];
[sogoObject save];
OpenChange/MAPIStoreFolder.h
+1
View File
@@ -121,6 +121,7 @@
fromFolder: (MAPIStoreFolder *) sourceFolder
withMIDs: (uint64_t *) targetMids
andChangeKeys: (struct Binary_r **) targetChangeKeys
andPredecessorChangeLists: (struct Binary_r **) targetPredecessorChangeLists
wantCopy: (uint8_t) want_copy
inMemCtx: (TALLOC_CTX *) memCtx;
OpenChange/MAPIStoreFolder.m
+20 -8
View File
@@ -642,6 +642,7 @@ Class NSExceptionK, MAPIStoreFAIMessageK, MAPIStoreMessageTableK, MAPIStoreFAIMe
fromFolder: (MAPIStoreFolder *) sourceFolder
withMID: (uint64_t) targetMid
andChangeKey: (struct Binary_r *) targetChangeKey
andPredecessorChangeList: (struct Binary_r *) targetPredecessorChangeList
wantCopy: (uint8_t) wantCopy
inMemCtx: (TALLOC_CTX *) memCtx
{
@@ -669,15 +670,18 @@ Class NSExceptionK, MAPIStoreFAIMessageK, MAPIStoreMessageTableK, MAPIStoreFAIMe
[sourceMsg copyToMessage: destMsg inMemCtx: memCtx];
if (targetChangeKey)
if (targetPredecessorChangeList)
{
property.ulPropTag = PidTagChangeKey;
property.value.bin = *targetChangeKey;
property.ulPropTag = PidTagPredecessorChangeList;
property.value.bin = *targetPredecessorChangeList;
aRow.cValues = 1;
aRow.lpProps = &property;
rc = [destMsg addPropertiesFromRow: &aRow];
if (rc != MAPISTORE_SUCCESS)
goto end;
{
[self errorWithFormat: @"Cannot add PredecessorChangeList on move"];
goto end;
}
}
[destMsg save: memCtx];
if (!wantCopy)
@@ -696,6 +700,7 @@ Class NSExceptionK, MAPIStoreFAIMessageK, MAPIStoreMessageTableK, MAPIStoreFAIMe
fromFolder: (MAPIStoreFolder *) sourceFolder
withMIDs: (uint64_t *) targetMids
andChangeKeys: (struct Binary_r **) targetChangeKeys
andPredecessorChangeLists: (struct Binary_r **) targetPredecessorChangeLists
wantCopy: (uint8_t) wantCopy
inMemCtx: (TALLOC_CTX *) memCtx
{
@@ -705,7 +710,7 @@ Class NSExceptionK, MAPIStoreFAIMessageK, MAPIStoreMessageTableK, MAPIStoreFAIMe
NSString *oldMessageURL;
MAPIStoreMapping *mapping;
SOGoUser *ownerUser;
struct Binary_r *targetChangeKey;
struct Binary_r *targetChangeKey, *targetPredecessorChangeList;
//TALLOC_CTX *memCtx;
//memCtx = talloc_zero (NULL, TALLOC_CTX);
@@ -726,14 +731,21 @@ Class NSExceptionK, MAPIStoreFAIMessageK, MAPIStoreMessageTableK, MAPIStoreFAIMe
if (oldMessageURL)
{
[oldMessageURLs addObject: oldMessageURL];
if (targetChangeKeys)
targetChangeKey = targetChangeKeys[count];
if (targetChangeKeys && targetPredecessorChangeList)
{
targetChangeKey = targetChangeKeys[count];
targetPredecessorChangeList = targetPredecessorChangeLists[count];
}
else
targetChangeKey = NULL;
{
targetChangeKey = NULL;
targetPredecessorChangeList = NULL;
}
rc = [self _moveCopyMessageWithMID: srcMids[count]
fromFolder: sourceFolder
withMID: targetMids[count]
andChangeKey: targetChangeKey
andPredecessorChangeList: targetPredecessorChangeList
wantCopy: wantCopy
inMemCtx: memCtx];
}
OpenChange/MAPIStoreGCSFolder.h
+2 -1
View File
@@ -42,7 +42,8 @@
/* synchronisation */
- (BOOL) synchroniseCache;
- (void) updateVersionsForMessageWithKey: (NSString *) messageKey
withChangeKey: (NSData *) newChangeKey;
withChangeKey: (NSData *) oldChangeKey
andPredecessorChangeList: (NSData *) pcl;
- (NSNumber *) lastModifiedFromMessageChangeNumber: (NSString *) changeNumber;
- (NSString *) changeNumberForMessageWithKey: (NSString *) messageKey;
- (NSData *) changeKeyForMessageWithKey: (NSString *) messageKey;
OpenChange/MAPIStoreGCSFolder.m
+84 -18
View File
@@ -261,7 +261,6 @@ static Class NSNumberK;
*/
- (void) _setChangeKey: (NSData *) changeKey
forMessageEntry: (NSMutableDictionary *) messageEntry
inChangeListOnly: (BOOL) inChangeListOnly
{
struct XID *xid;
NSString *guid;
@@ -270,19 +269,15 @@ static Class NSNumberK;
NSMutableDictionary *changeList;
xid = [changeKey asXIDInMemCtx: NULL];
guid = [NSString stringWithGUID: &xid->GUID];
globCnt = [NSData dataWithBytes: xid->Data length: xid->Size];
guid = [NSString stringWithGUID: &xid->NameSpaceGuid];
globCnt = [NSData dataWithBytes: xid->LocalId.data length: xid->LocalId.length];
talloc_free (xid);
if (!inChangeListOnly)
{
/* 1. set change key association */
changeKeyDict = [NSDictionary dictionaryWithObjectsAndKeys:
guid, @"GUID",
globCnt, @"LocalId",
nil];
[messageEntry setObject: changeKeyDict forKey: @"ChangeKey"];
}
/* 1. set change key association */
changeKeyDict = [NSDictionary dictionaryWithObjectsAndKeys: guid, @"GUID",
globCnt, @"LocalId",
nil];
[messageEntry setObject: changeKeyDict forKey: @"ChangeKey"];
/* 2. append/update predecessor change list */
changeList = [messageEntry objectForKey: @"PredecessorChangeList"];
@@ -296,6 +291,77 @@ static Class NSNumberK;
[changeList setObject: globCnt forKey: guid];
}
- (void) _updatePredecessorChangeList: (NSData *) predecessorChangeList
forMessageEntry: (NSMutableDictionary *) messageEntry
withOldChangeKey: (NSData *) oldChangeKey
{
NSData *globCnt, *oldGlobCnt;
NSDictionary *changeKeyDict;
NSString *guid;
NSMutableDictionary *changeList;
struct SizedXid *sizedXIDList;
struct XID xid, *givenChangeKey;
TALLOC_CTX *localMemCtx;
uint32_t i, length;
localMemCtx = talloc_new (NULL);
if (!localMemCtx)
{
[self errorWithFormat: @"No more memory"];
return;
}
if (predecessorChangeList)
{
sizedXIDList = [predecessorChangeList asSizedXidArrayInMemCtx: localMemCtx with: &length];
changeList = [messageEntry objectForKey: @"PredecessorChangeList"];
if (!changeList)
{
changeList = [NSMutableDictionary new];
[messageEntry setObject: changeList
forKey: @"PredecessorChangeList"];
[changeList release];
}
if (sizedXIDList) {
for (i = 0; i < length; i++)
{
xid = sizedXIDList[i].XID;
guid = [NSString stringWithGUID: &xid.NameSpaceGuid];
globCnt = [NSData dataWithBytes: xid.LocalId.data length: xid.LocalId.length];
oldGlobCnt = [changeList objectForKey: guid];
if (!oldGlobCnt || ([globCnt compare: oldGlobCnt] == NSOrderedDescending))
[changeList setObject: globCnt forKey: guid];
}
}
}
if (oldChangeKey)
{
givenChangeKey = [oldChangeKey asXIDInMemCtx: localMemCtx];
if (givenChangeKey) {
guid = [NSString stringWithGUID: &givenChangeKey->NameSpaceGuid];
globCnt = [NSData dataWithBytes: givenChangeKey->LocalId.data length: givenChangeKey->LocalId.length];
changeKeyDict = [messageEntry objectForKey: @"ChangeKey"];
if (!changeKeyDict ||
([guid isEqualToString: [changeKeyDict objectForKey: @"GUID"]]
&& ([globCnt compare: [changeKeyDict objectForKey: @"LocalId"]] == NSOrderedDescending)))
{
/* The given change key is greater than current one stored in
metadata or it does not exist */
[messageEntry setObject: [NSDictionary dictionaryWithObjectsAndKeys: guid, @"GUID",
globCnt, @"LocalId",
nil]
forKey: @"ChangeKey"];
}
}
}
talloc_free (localMemCtx);
}
- (EOQualifier *) componentQualifier
{
if (!componentQualifier)
@@ -465,8 +531,7 @@ static Class NSNumberK;
// A GLOBCNT structure is a 6-byte global namespace counter,
// we strip the first 2 bytes. The first two bytes is the ReplicaId
changeKey = [self getReplicaKeyFromGlobCnt: newChangeNum >> 16];
[self _setChangeKey: changeKey forMessageEntry: messageEntry
inChangeListOnly: NO];
[self _setChangeKey: changeKey forMessageEntry: messageEntry];
}
now = [NSCalendarDate date];
@@ -483,12 +548,13 @@ static Class NSNumberK;
}
- (void) updateVersionsForMessageWithKey: (NSString *) messageKey
withChangeKey: (NSData *) newChangeKey
withChangeKey: (NSData *) oldChangeKey
andPredecessorChangeList: (NSData *) pcl
{
NSMutableDictionary *messages, *messageEntry;
[self synchroniseCache];
if (newChangeKey)
if (oldChangeKey || pcl)
{
messages = [[versionsMessage properties] objectForKey: @"Messages"];
messageEntry = [messages objectForKey: messageKey];
@@ -496,8 +562,8 @@ static Class NSNumberK;
[NSException raise: @"MAPIStoreIOException"
format: @"no version record found for message '%@'",
messageKey];
[self _setChangeKey: newChangeKey forMessageEntry: messageEntry
inChangeListOnly: YES];
[self _updatePredecessorChangeList: pcl forMessageEntry: messageEntry
withOldChangeKey: oldChangeKey];
[versionsMessage save];
}
}
OpenChange/MAPIStoreGCSMessage.m
+6 -3
View File
@@ -209,13 +209,16 @@
- (void) updateVersions
{
NSData *newChangeKey;
/* Update ChangeKey and PredecessorChangeList on message's save */
NSData *newChangeKey, *predecessorChangeList;
newChangeKey = [properties objectForKey: MAPIPropertyKey (PR_CHANGE_KEY)];
predecessorChangeList = [properties objectForKey: MAPIPropertyKey (PR_PREDECESSOR_CHANGE_LIST)];
[(MAPIStoreGCSFolder *) container
updateVersionsForMessageWithKey: [self nameInContainer]
withChangeKey: newChangeKey];
updateVersionsForMessageWithKey: [self nameInContainer]
withChangeKey: newChangeKey
andPredecessorChangeList: predecessorChangeList];
}
@end
OpenChange/MAPIStoreMailFolder.m
+59 -10
View File
@@ -68,6 +68,8 @@
static Class SOGoMailFolderK, MAPIStoreMailFolderK, MAPIStoreOutboxFolderK;
#include <gen_ndr/exchange.h>
#undef DEBUG
#include <util/attr.h>
#include <libmapi/libmapi.h>
@@ -516,6 +518,44 @@ _compareFetchResultsByMODSEQ (id entry1, id entry2, void *data)
return [modseq1 compare: modseq2];
}
- (void) _updatePredecessorChangeListWith: (NSData *) predecessorChangeList
forMessageEntry: (NSMutableDictionary *) messageEntry
{
NSData *globCnt, *oldGlobCnt;
NSMutableDictionary *changeList;
NSString *guid;
struct SizedXid *sizedXIDList;
struct XID xid;
uint32_t i, length;
sizedXIDList = [predecessorChangeList asSizedXidArrayInMemCtx: NULL with: &length];
changeList = [messageEntry objectForKey: @"PredecessorChangeList"];
if (!changeList)
{
changeList = [NSMutableDictionary new];
[messageEntry setObject: changeList
forKey: @"PredecessorChangeList"];
[changeList release];
}
if (sizedXIDList) {
for (i = 0; i < length; i++)
{
xid = sizedXIDList[i].XID;
guid = [NSString stringWithGUID: &xid.NameSpaceGuid];
globCnt = [NSData dataWithBytes: xid.LocalId.data length: xid.LocalId.length];
oldGlobCnt = [changeList objectForKey: guid];
if (!oldGlobCnt || ([globCnt compare: oldGlobCnt] == NSOrderedDescending))
[changeList setObject: globCnt forKey: guid];
}
talloc_free (sizedXIDList);
}
[versionsMessage save];
}
- (void) _setChangeKey: (NSData *) changeKey
forMessageEntry: (NSMutableDictionary *) messageEntry
{
@@ -526,8 +566,8 @@ _compareFetchResultsByMODSEQ (id entry1, id entry2, void *data)
NSMutableDictionary *changeList;
xid = [changeKey asXIDInMemCtx: NULL];
guid = [NSString stringWithGUID: &xid->GUID];
globCnt = [NSData dataWithBytes: xid->Data length: xid->Size];
guid = [NSString stringWithGUID: &xid->NameSpaceGuid];
globCnt = [NSData dataWithBytes: xid->LocalId.data length: xid->LocalId.length];
talloc_free (xid);
/* 1. set change key association */
@@ -924,8 +964,7 @@ _compareFetchResultsByMODSEQ (id entry1, id entry2, void *data)
return changeNumber;
}
- (void) setChangeKey: (NSData *) changeKey
forMessageWithKey: (NSString *) messageKey
- (NSMutableDictionary *) _messageEntryFromMessageKey: (NSString *) messageKey
{
NSMutableDictionary *messages, *messageEntry;
NSString *messageUid;
@@ -936,7 +975,7 @@ _compareFetchResultsByMODSEQ (id entry1, id entry2, void *data)
messageEntry = [messages objectForKey: messageUid];
if (!messageEntry)
{
[self warnWithFormat: @"attempting to synchronise to set the change key for "
[self warnWithFormat: @"attempting to synchronise to get the message entry for "
@"this message %@", messageKey];
synced = [self synchroniseCacheForUID: messageUid];
if (synced)
@@ -947,7 +986,15 @@ _compareFetchResultsByMODSEQ (id entry1, id entry2, void *data)
abort ();
}
}
[self _setChangeKey: changeKey forMessageEntry: messageEntry];
return messageEntry;
}
- (void) setChangeKey: (NSData *) changeKey
forMessageWithKey: (NSString *) messageKey
{
[self _setChangeKey: changeKey
forMessageEntry: [self _messageEntryFromMessageKey: messageKey]];
[versionsMessage save];
}
@@ -1217,6 +1264,7 @@ _parseCOPYUID (NSString *line, NSArray **destUIDsP)
fromFolder: (MAPIStoreFolder *) sourceFolder
withMIDs: (uint64_t *) targetMids
andChangeKeys: (struct Binary_r **) targetChangeKeys
andPredecessorChangeLists: (struct Binary_r **) targetPredecessorChangeLists
wantCopy: (uint8_t) wantCopy
inMemCtx: (TALLOC_CTX *) memCtx
@@ -1231,12 +1279,13 @@ _parseCOPYUID (NSString *line, NSArray **destUIDsP)
NSDictionary *result;
NSUInteger count;
NSArray *a;
NSData *changeKey;
NSData *changeList;
if (![sourceFolder isKindOfClass: [MAPIStoreMailFolder class]])
return [super moveCopyMessagesWithMIDs: srcMids andCount: midCount
fromFolder: sourceFolder withMIDs: targetMids
andChangeKeys: targetChangeKeys
andPredecessorChangeLists: targetPredecessorChangeLists
wantCopy: wantCopy
inMemCtx: memCtx];
@@ -1325,11 +1374,11 @@ _parseCOPYUID (NSString *line, NSArray **destUIDsP)
[self synchroniseCache];
for (count = 0; count < midCount; count++)
{
changeKey = [NSData dataWithBinary: targetChangeKeys[count]];
changeList = [NSData dataWithBinary: targetPredecessorChangeLists[count]];
messageKey = [NSString stringWithFormat: @"%@.eml",
[destUIDs objectAtIndex: count]];
[self setChangeKey: changeKey
forMessageWithKey: messageKey];
[self _updatePredecessorChangeListWith: changeList
forMessageEntry: [self _messageEntryFromMessageKey: messageKey]];
}
}
OpenChange/MAPIStoreSOGo.m
+2
View File
@@ -674,6 +674,7 @@ sogo_folder_move_copy_messages(void *folder_object,
uint32_t mid_count,
uint64_t *src_mids, uint64_t *t_mids,
struct Binary_r **target_change_keys,
struct Binary_r **target_predecessor_change_lists,
uint8_t want_copy)
{
MAPIStoreFolder *sourceFolder, *targetFolder;
@@ -698,6 +699,7 @@ sogo_folder_move_copy_messages(void *folder_object,
fromFolder: sourceFolder
withMIDs: t_mids
andChangeKeys: target_change_keys
andPredecessorChangeLists: target_predecessor_change_lists
wantCopy: want_copy
inMemCtx: mem_ctx];
TRYCATCH_END(pool)
OpenChange/NSData+MAPIStore.h
+2
View File
@@ -41,6 +41,8 @@
+ (id) dataWithXID: (const struct XID *) xid;
- (struct XID *) asXIDInMemCtx: (void *) memCtx;
- (struct SizedXid *) asSizedXidArrayInMemCtx: (void *) memCtx
with: (uint32_t *) length;
+ (id) dataWithChangeKeyGUID: (NSString *) guidString
andCnt: (NSData *) globCnt;
OpenChange/NSData+MAPIStore.m
+40 -6
View File
@@ -22,6 +22,7 @@
#import <NGExtensions/NSObject+Logs.h>
#import "MAPIStoreTypes.h"
#import "NSObject+MAPIStore.h"
#import "NSString+MAPIStore.h"
@@ -29,6 +30,7 @@
#undef DEBUG
#include <stdbool.h>
#include <libmapi/libmapi.h>
#include <talloc.h>
#include <util/time.h>
#include <gen_ndr/exchange.h>
@@ -136,11 +138,11 @@ static void _fillFlatUIDWithGUID (struct FlatUID_r *flatUID, const struct GUID *
NSMutableData *xidData;
struct FlatUID_r flatUID;
_fillFlatUIDWithGUID (&flatUID, &xid->GUID);
_fillFlatUIDWithGUID (&flatUID, &xid->NameSpaceGuid);
xidData = [NSMutableData dataWithCapacity: 16 + xid->Size];
xidData = [NSMutableData dataWithCapacity: 16 + xid->LocalId.length];
[xidData appendBytes: flatUID.ab length: 16];
[xidData appendBytes: xid->Data length: xid->Size];
[xidData appendBytes: xid->LocalId.data length: xid->LocalId.length];
return xidData;
}
@@ -156,12 +158,12 @@ static void _fillFlatUIDWithGUID (struct FlatUID_r *flatUID, const struct GUID *
{
xid = talloc_zero (memCtx, struct XID);
[self _extractGUID: &xid->GUID];
[self _extractGUID: &xid->NameSpaceGuid];
xid->Size = max - 16;
xid->LocalId.length = max - 16;
bytes = (uint8_t *) [self bytes];
xid->Data = talloc_memdup (xid, (bytes+16), xid->Size);
xid->LocalId.data = talloc_memdup (xid, (bytes+16), xid->LocalId.length);
}
else
{
@@ -172,6 +174,38 @@ static void _fillFlatUIDWithGUID (struct FlatUID_r *flatUID, const struct GUID *
return xid;
}
- (struct SizedXid *) asSizedXidArrayInMemCtx: (void *) memCtx
with: (uint32_t *) length
{
struct Binary_r bin;
struct SizedXid *sizedXIDArray;
bin.cb = [self length];
bin.lpb = (uint8_t *)[self bytes];
sizedXIDArray = get_SizedXidArray(memCtx, &bin, length);
if (!sizedXIDArray)
{
NSLog (@"Impossible to parse SizedXID array");
return NULL;
}
return sizedXIDArray;
}
- (NSComparisonResult) compare: (NSData *) otherGlobCnt
{
uint64_t globCnt = 0, oGlobCnt = 0;
if ([self length] > 0)
globCnt = *(uint64_t *) [self bytes];
if ([otherGlobCnt length] > 0)
oGlobCnt = *(uint64_t *) [otherGlobCnt bytes];
return MAPICNCompare (globCnt, oGlobCnt, NULL);
}
+ (id) dataWithChangeKeyGUID: (NSString *) guidString
andCnt: (NSData *) globCnt;
{