FCL/sf/mw/messagingmw: comparison messagingfw/msgsrvnstore/server/src/MSVSERV.CPP

equal deleted inserted replaced

-:9f5ae1728557
+:db3f5fa34ec7
+// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// MSVSERV.CPP
+//
+#ifdef _DEBUG
+#undef _NO_SERVER_LOGGING_
+#endif
+#include <e32std.h>
+#include <barsc.h>
+#include <barsread.h>
+#pragma warning( disable : 4245 )
+#include <bautils.h>
+#pragma warning( default : 4245 )
+#include <bafindf.h>
+#include <u32std.h>
+#include <msgs.rsg>
+#include "MSVSTD.H"
+#include "MSVIPC.H"
+#include "MSVIDS.H"
+#include "MSVUIDS.H"
+#include "MSVRUIDS.H"
+#include "MTSR.H"
+#include "MSVENTRY.H"
+#include "MSERVER.H"
+#include "MSVRBLD.H"
+#include "MSVSERV.H"
+#include "MSVDELET.H"
+#include "MSVMOVE.H"
+#include "MSVUTILS.H"
+#include "MSVPANIC.H"
+#include "MSVAPI.H"
+#include "indexcontext.h"
+#include "CMsvCachedStore.h"
+#include "CMsvBackupHandler.h"
+#include "cmsvmailinitwaiter.h"
+#include "TMsvServerStoreManager.h"
+#include "msvsearchsortcachemanager.h"
+#include "msvsearchsortdeltacache.h"
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "cinstalledmtmgroup.h"
+#include "msvconsts.h"
+#endif
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	#include "centralrepository.h"
+	#include "cmsvdiskchangenotifier.h"
+	const TInt KMaxDriveSupported=7;
+	const TInt KUidConifgFileValue = 0x10286a26;
+	const TUid KUidConfigFile = {KUidConifgFileValue};
+	const TInt KCenRepCurrentDriveKey=10;
+	#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+		_LIT(KPreferredDriveListFilePath, "C:\\private\\1000484b\\msgprioritydrivelist.ini");
+	#else
+		_LIT(KPreferredDriveListFilePath, "z:\\private\\1000484b\\msgprioritydrivelist.ini");
+	#endif		  // #if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+#endif	  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+const TInt KMsvMtmOpsQueueGranularity=8;
+const TInt KMsvMtmOpsQueueArrayGranularity=4;
+const TInt KMsvMtmOpsSessionIdArrayGranularity=4;
+_LIT(KRomMtmDataFilePath, ":\\RESOURCE\\MESSAGING\\MTM\\");
+_LIT(KMsvStoreInitFileName, "StoreInit.tmp");
+_LIT(KMsvPostInitialisationExe, "z:\\sys\\bin\\MailInit.exe");
+#ifdef MSG_SERV_AUTO_CLOSE
+// the server closes after the last session closes
+const TInt KMsvCloseTime=0x200000; // approx 2 seconds
+const TInt KMsvInitCloseTime=0xA00000; // approx 10 seconds
+#endif
+// the time between the attempts at writing hidden streams and removing emntries
+const TInt KMsvDelayTime=0x00A00000; // approx 10 seconds
+const TUid KMsvMailInitExeUid={0x10004849};
+const TUint msgServerPolicyRangeCount = 22;
+const TInt msgServerPolicyRanges[msgServerPolicyRangeCount] =
+	{
+	0,  //  EAlwaysPass	 -> EMsvGetEntry				 -> ReadEntryData
+//  1,	  EAlwaysPass	 -> EMsvGetChildren			  -> Filtered
+//  2,	  EAlwaysPass	 -> EMsvGetRemainingChildren
+	3,  //  Test			-> EMsvLockEntry
+//  4,	  Test			-> EMsvReleaseEntry
+	5,  //  PanicClient	 -> EMsvMakeFileDirectory
+	6,  //  EAlwaysPass	 -> EMsvChangeEntry			  -> ModifyEntryData
+//  7,	  EAlwaysPass	 -> EMsvCreateEntry			  -> CreateEntry
+//  8,	  EAlwaysPass	 -> EMsvDeleteEntries			-> ModifyEntryData
+//  9,	  EAlwaysPass	 -> EMsvMoveEntries			  -> MoveEntries
+//  10,	 EAlwaysPass	 -> EMsvCopyEntries			  -> CopyEntries
+//  11,	 EAlwaysPass	 -> EMsvNotifySessionEvent
+//  12,	 EAlwaysPass	 -> EMsvCancelSessionEventNotification
+//  13,	 EAlwaysPass	 -> EMsvReadStore				-> ReadEntryData
+//  14,	 EAlwaysPass	 -> EMsvLockStore				-> ModifyEntryData
+//  15,	 EAlwaysPass	 -> EMsvReleaseStore			 -> ModifyEntryData
+	16, //  PanicClient	 -> EMsvCommittedStore
+	17, //  Deprecated	  -> EMsvLocalStoreDeleted
+	18, //  EAlwaysPass	 -> EMsvOperationData
+//  19,	 EAlwaysPass	 -> EMsvCommandData
+//  20,	 EAlwaysPass	 -> EMsvCancelOperation
+//  21,	 EAlwaysPass	 -> EMsvOperationProgress
+//  22,	 EAlwaysPass	 -> EMsvOperationCompletion
+//  23,	 EAlwaysPass	 -> EMsvOperationMtm
+//  24,	 EAlwaysPass	 -> EMsvMtmCommand			   -> MTMTransferCommand
+//  25,	 EAlwaysPass	 -> EMsvFillRegisteredMtmDllArray
+	26, //  WriteDeviceData -> EMsvInstallMtmGroup
+//  25,	 WriteDeviceData -> EMsvDeInstallMtmGroup
+	28, //  EAlwaysPass	 -> EMsvUseMtmGroup
+//  29,	 EAlwaysPass	 -> EMsvReleaseMtmGroup
+//  30,	 EAlwaysPass	 -> EMsvGetMtmGroupData
+	31, //  WriteDeviceData -> EMsvCloseServer
+	32, //  EAlwaysPass	 -> EMsvStopService			  -> StopService
+//  33,	 EAlwaysPass	 -> EMsvServiceActive
+//  34,	 EAlwaysPass	 -> EMsvServiceProgress
+//  35,	 EAlwaysPass	 -> EMsvRemoveEntry			  -> ModifyEntryData
+	36, //  PanicClient	 -> EMsvCreatedStore
+	37, //  EAlwaysPass	 -> EMsvGetMessageDirectory
+//  38,	 EAlwaysPass	 -> EMsvSlotAvailable
+//  39,	 EAlwaysPass	 -> EMsvSetSessionAsObserver
+	40, //  Test			-> EMsvSetFailure
+	41, //  EWriteUserData  -> EMsvChangeAttributes
+	42, //  EAlwaysPass	 -> EMsvGetChildIds
+	43, //  WriteDeviceData -> EMsvChangeDrive
+	44, //  EAlwaysPass	 -> EMsvOutstandingOperations
+//  45,	 EAlwaysPass	 -> EMsvGetNotifySequence
+	46, //  Deprecated	  -> EMsvGetMtmPath
+//  47,	 Deprecated	  -> EMsvSetMtmPath
+//  48,	 Deprecated	  -> EMsvDelMtmPath
+	49, //  EAlwaysPass	 -> EMsvSetReceiveEntryEvents
+//  50,	 EAlwaysPass	 -> EMsvDecStoreReaderCount	  -> ReadEntryData
+//  51,	 EAlwaysPass	 -> EMsvGetMessageDrive
+//  52,	 EAlwaysPass	 -> EMsvGetMtmRequiredCapabilities
+//  53,	 EAlwaysPass	 -> EMsvCreateAttachmentForWrite -> ModifyEntryData
+//  54,	 EAlwaysPass	 -> EMsvOpenAttachment		   -> ReadEntryData
+//  55,	 EAlwaysPass	 -> EMsvOpenAttachmentForWrite   -> ModifyEntryData
+//  56,	 EAlwaysPass	 -> EMsvDeleteAttachment		 -> ModifyEntryData
+//  57,	 EAlwaysPass	 -> EMsvOpenFileStoreForRead	 -> ReadEntryData
+//  58,	 EAlwaysPass	 -> EMsvOpenTempStoreFile		-> ModifyEntryData
+//  59,	 EAlwaysPass	 -> EMsvReplaceFileStore		 -> ModifyEntryData
+//  60,	 EAlwaysPass	 -> EMsvDeleteFileStore		  -> ModifyEntryData
+//  61,	 EAlwaysPass	 -> EMsvFileStoreExists
+//  62,	 EAlwaysPass	 -> EMsvGetAndClearIndexCorruptFlag
+		63,	// EWriteDeviceData		  -> EMsvCopyStore
+//	  64,	// EWriteDeviceData		  -> EMsvDeleteStore
+	65	 // EAlwaysPass			 -> EMsvDriveContainsStore
+//  66,	 EAlwaysPass	 -> EMsvMessageStoreDrivePresent
+//  67,	 EAlwaysPass	 -> EMsvFileExists
+//  68,	 EAlwaysPass	 -> EMsvRenameAttachment		 -> ModifyEntryData
+//  69,	 EAlwaysPass	 -> EMsvReplaceAttachmentForWrite -> ModifyEntryData
+//  70,	 EAlwaysPass	 -> EMsvGetAttachmentFilePath
+//  71,	 EAlwaysPass	 -> EMsvOperationSystemProgress
+//  72,	 EAlwaysPass	 -> EMsvGetNonOperationMtmData
+	};
+enum TMsvSecurityPolicy
+	{
+	EMsvSecurityWriteDeviceData	 = 0,
+	EMsvSecurityWriteUserData	   = 1,
+	EMsvSecurityPanicClient		 = 2,
+	EMsvSecurityTestCapabilities	= 3
+	};
+const TInt KMsvDeprecationPolicy	= EMsvSecurityPanicClient;
+const TInt KMsvTestPolicy		   = EMsvSecurityTestCapabilities;
+const TUint8 msgServerPolicyElementsIndex[] =
+	{
+	CPolicyServer::EAlwaysPass,	 // applies to req 0-2
+	KMsvTestPolicy,				 // applies to req 3-4
+	EMsvSecurityPanicClient,		// applies to req 5
+	CPolicyServer::EAlwaysPass,	 // applies to req 6-15
+	EMsvSecurityPanicClient,		// applies to req 16
+	KMsvDeprecationPolicy,		  // applies to req 17
+	CPolicyServer::EAlwaysPass,	 // applies to req 18-25
+	EMsvSecurityWriteDeviceData,	// applies to req 26-27
+	CPolicyServer::EAlwaysPass,	 // applies to req 28-30
+	EMsvSecurityWriteDeviceData,	// applies to req 31
+	CPolicyServer::EAlwaysPass,	 // applies to req 32-35
+	EMsvSecurityPanicClient,		// applies to req 36
+	CPolicyServer::EAlwaysPass,	 // applies to req 37-39
+	KMsvTestPolicy,				 // applies to req 40
+	EMsvSecurityWriteUserData,	  // applies to req 41
+	CPolicyServer::EAlwaysPass,	 // applies to req 42
+	EMsvSecurityWriteDeviceData,	// applies to req 43
+	CPolicyServer::EAlwaysPass,	 // applies to req 44-45
+	KMsvDeprecationPolicy,		  // applies to req 46-48
+	CPolicyServer::EAlwaysPass,	 // applies to req 49-62
+	EMsvSecurityWriteDeviceData,			// applies to req 63-64
+	CPolicyServer::EAlwaysPass	  // applies to req 65
+	};
+const CPolicyServer::TPolicyElement msgServerPolicyElements[] =
+	{
+	// Check Write Device Data	  -> EMsvSecurityWriteDeviceData  = 0
+	{_INIT_SECURITY_POLICY_C1(ECapabilityWriteDeviceData), CPolicyServer::EFailClient},
+	// Check Write User Data		-> EMsvSecurityWriteUserData	= 1
+	{_INIT_SECURITY_POLICY_C1(ECapabilityWriteUserData), CPolicyServer::EFailClient},
+	// Panic the client			 -> EMsvSecurityPanicClient	  = 2
+	{_INIT_SECURITY_POLICY_FAIL, CPolicyServer::EPanicClient},
+	// Check for message server caps-> EMsvSecurityTestCapabilities = 3
+	{_INIT_SECURITY_POLICY_C7(ECapabilityReadDeviceData, ECapabilityWriteDeviceData, ECapabilityProtServ, ECapabilityNetworkControl, ECapabilityNetworkServices, ECapabilityLocalServices, ECapabilityReadUserData), CPolicyServer::EFailClient}
+	};
+const CPolicyServer::TPolicy msgServerPolicy =
+	{
+	CPolicyServer::EAlwaysPass,
+	msgServerPolicyRangeCount,
+	msgServerPolicyRanges,
+	msgServerPolicyElementsIndex,
+	msgServerPolicyElements
+	};
+//**********************************
+// CMsvMtmOperationList
+//**********************************
+CMsvMtmOperationQueue::CMsvMtmOperationQueue(TUid aMtmUid, TMsvId aServiceId)
+: CArrayPtrFlat<CMsvMtmOperation>(KMsvMtmOpsQueueGranularity),
+	iMtmUid(aMtmUid), iServiceId(aServiceId),
+	iSessionIdArray(KMsvMtmOpsSessionIdArrayGranularity)
+	{
+	__DECLARE_NAME(_S("CMsvMtmOperationQueue"));
+	}
+CMsvMtmOperationQueue::~CMsvMtmOperationQueue()
+	{
+	delete iMtm;
+	}
+//**********************************
+//CMsvServer
+//**********************************
+CMsvServer::CMsvServer(TInt aPriority, TBool aDebug)
+:   CPolicyServer(aPriority, msgServerPolicy), iSessionNumber(1), iMtmOperationQueueArray(KMsvMtmOpsQueueArrayGranularity), iDebug(aDebug), iReleasedForRestore(EFalse)
+//
+//
+//
+	{
+	}
+CMsvServer::~CMsvServer()
+//
+//
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Message Server closing"));
+#endif
+	__ASSERT_DEBUG(iMtmOperationQueueArray.Count()==0, PanicServer(EMsvSomeMtmQueueActive));
+	iMtmOperationQueueArray.ResetAndDestroy();
+	delete iMtmRegControl;
+	delete iServerMtmReg;
+#ifdef MSG_SERV_AUTO_CLOSE
+	delete iCloseTimer;
+#endif
+	delete iDelayTimer;
+	delete iBackup;
+	delete iContext;
+	delete iNewContext;
+	delete iBulkCreationSelection;
+	delete iMailinitWaiter;
+	delete iBulkChangeSelection;
+#ifndef _NO_SERVER_LOGGING_
+	if (iLog.LogValid())
+		iLog.CloseLog();
+	iLog.Close();
+#endif
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	// Destroy the notification objects.
+	TInt notifierCount = iNotifier.Count();
+	delete iDriveList;
+	for(TInt index = 0; index < notifierCount; ++index)
+		{
+		iNotifier[index]->Cancel();
+		}
+	iNotifier.ResetAndDestroy();
+#else
+	delete iNotify;
+#endif		  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	delete iFreePoolInstance;
+	//iManager and iDeltacache deltetion.
+	delete iSearchSortCacheManager;
+#if (defined SYMBIAN_MESSAGESTORE_HEADER_BODY_USING_SQLDB)
+	delete iMessageDBAdapter;
+	CMsvConverterWaiter *waiter = CMsvConverterWaiter::Instance();
+	if(waiter != NULL)
+		delete waiter;
+#endif
+	iFs.Close();
+	iProtectedFolders.Reset();
+	}
+EXPORT_C CMsvServer* CMsvServer::NewL()
+	{
+	return CMsvServer::NewL(ETrue);
+	}
+CMsvServer* CMsvServer::NewL(TBool aDebug)
+	{
+	CMsvServer *pS = new(ELeave) CMsvServer(EPriority, aDebug);
+	CleanupStack::PushL(pS);
+	pS->ConstructL();
+	CleanupStack::Pop();
+	return pS;
+	}
+void CMsvServer::ConstructL()
+	{
+	// First start the server
+	StartL(KMsvServerName);
+	// conect to the file system
+	User::LeaveIfError(iFs.Connect());
+	TChar driveChar= iFs.GetSystemDriveChar();
+	iSystemDrive.Append(driveChar);
+	iSystemDrive.Append(KDriveDelimiter);
+#ifdef MSG_SERV_AUTO_CLOSE
+	iCloseTimer = CMsvTimer::NewL(*this, ETrue);
+	iCloseTimer->After(KMsvInitCloseTime);
+#endif
+	iDelayTimer = CMsvTimer::NewL(*this, EFalse);
+	iBulkCreationSelection = new(ELeave)CMsvEntrySelection();
+	iBulkChangeSelection = new(ELeave)CMsvEntrySelection();
+	iMailinitWaiter=CMsvMailinitWaiter::NewL(*this);
+// Code changes for 557.
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	// Create the preferred drive list.
+	CreatePreferredDriveListL();
+	// Create notifiers for the appropriate drives.
+	TInt driveCount = iDriveList->Count();
+	TDriveUnit driveValue;
+	// Create the notification objects for each drive in
+	// the preferred drive list. These objects will notify
+	// message server about the activity (media insertion/
+	// removal) in their respective drive.
+	for(TInt i = 0;i < driveCount; ++i)
+		{
+		driveValue = TDriveUnit((*iDriveList)[i].driveNum);
+		CMsvDiskChangeNotifier* diskChangeNotifier = CMsvDiskChangeNotifier::NewL(driveValue, *this);
+		User::LeaveIfError(iNotifier.Append(diskChangeNotifier));
+		}
+#else
+	iNotify = new(ELeave)CMsvNotifyDiskChange(iFs, *this);
+#endif	  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+#ifndef _NO_SERVER_LOGGING_
+	CreateLogL();
+#endif
+	// Populate the protected folders list - currently only has the outbox, and
+	// also the remote services are protected.
+	User::LeaveIfError(iProtectedFolders.Append(KMsvGlobalOutBoxIndexEntryId));
+	iRemoteServicesProtected = ETrue;
+	// create the registry
+	CreateRegistriesL();
+	// set the file session and CMsvServer objects in TMsvServerStoreManager
+	iServerStoreManager.SetMsvServerAndFileSession(*this,iFs);
+	// Code change for PREQ 1189.
+	// 1. Create free pool
+	iFreePoolInstance = CMsvEntryFreePool::CreateL();
+	// construct the index
+	// (it used to be done in CMsvServer::DoNewSessionL when the first session
+	// was being opened but we want to perform the full initialisation of
+	// the Message Server before starting the watchers)
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	CreateIndexL();
+	// Search Sort cache manager
+	iSearchSortCacheManager= CMSvSearchSortCacheManager::CreateManagerL(*this);
+	// Construct Search Sort cache Table
+	CreateSearchSortCacheL();
+	UpdateRepositoryL();
+#else
+	// Search Sort cache manager
+	iSearchSortCacheManager= CMSvSearchSortCacheManager::CreateManagerL(*this);
+	CreateIndexL(iDebug);
+#endif
+#if (defined SYMBIAN_MESSAGESTORE_HEADER_BODY_USING_SQLDB)
+	// Creating message DB adapter to access message header and body.
+	iMessageDBAdapter = CMsvMessageDBAdapter::NewL(IndexAdapter().GetDbAdapter());
+#endif
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	}
+void CMsvServer::CreateSearchSortCacheL()
+	{
+	iContext->IndexAdapter()->GetDbAdapter()->ConstructSortTableL();
+	iContext->IndexAdapter()->GetDbAdapter()->InitializeSortTableL();
+	}
+void CMsvServer::CreateRegistriesL()
+//
+// Create the MTM registry and control
+//
+	{
+	iServerMtmReg = CServerMtmDllRegistry::NewL(iFs);
+	iMtmRegControl = CMtmRegistryControl::NewL(iFs, *iServerMtmReg);
+	TFileName filename;
+	TChar driveLetter;
+	TEntry entry;
+	TDriveList driveList;
+	User::LeaveIfError(iFs.DriveList(driveList));
+	for(TInt drive=0;drive< KMaxDrives; ++drive)
+		{
+		if (driveList[drive] == 0)
+			{
+			continue;
+			}
+		User::LeaveIfError(iFs.DriveToChar(drive,driveLetter));
+		filename.Zero();
+		filename.Append(driveLetter);
+		filename.Append(KRomMtmDataFilePath);
+		// scan for any mtm data files and try to load them
+		if (iFs.Entry(filename, entry)==KErrNone)
+			{
+			CDir* filelist=NULL;
+			if (iFs.GetDir(filename, KEntryAttNormal|KEntryAttAllowUid, ESortByName, filelist)==KErrNone)
+				{
+				CleanupStack::PushL(filelist);
+				TInt i=filelist->Count();
+				TParse fileEntry;
+				TPtrC entryName;
+				//check we have files
+				if(i>0)
+					{
+					//get the first entry to be dealt with and register it
+					i--;
+					entry=(*filelist)[i];
+					fileEntry.Set(entry.iName,NULL,NULL);
+					entryName.Set(fileEntry.Name());
+					while(i>=0)
+						{
+						filename.Zero();
+						filename.Append(driveLetter);
+						filename.Append(KRomMtmDataFilePath);
+						filename.Append(entry.iName);
+						TUid mtmtypeuid;
+						// Use the file most appropriate to the current language
+						BaflUtils::NearestLanguageFile(iFs, filename);
+	#if defined (_DEBUG)
+						TInt err = iMtmRegControl->InstallMtmGroup(filename, mtmtypeuid);
+						iFs.Entry(filename, entry);
+						__ASSERT_DEBUG(err==KErrNone || err==KErrAlreadyExists || !((entry[0]==KPermanentFileStoreLayoutUid) && (entry[1]==KUidMsvDataComponent)), PanicServer(EMsvBadMtmDatFile));
+	#else
+						iMtmRegControl->InstallMtmGroup(filename, mtmtypeuid); // ignore the error
+	#endif
+						//search for the next entry with a different filename
+						while(i--)
+							{
+							TPtrC prevEntry=fileEntry.Name();
+							//get next entry
+							entry=(*filelist)[i];
+							TParse nextFileEntry;
+							nextFileEntry.Set(entry.iName,NULL,NULL);
+							entryName.Set(nextFileEntry.Name());
+							if(entryName.Compare(prevEntry)!=0)
+								{
+								//different filename
+								break;
+								}
+							}
+						}
+					}
+				CleanupStack::PopAndDestroy();
+				}
+			}
+		}
+	}
+// Code change for PREQ 557.
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+/**
+* CreateIndexL()
+*
+* Creates the index context. This will create the index
+* cache and related objects.
+*/
+EXPORT_C void CMsvServer::CreateIndexL()
+	{
+	__ASSERT_DEBUG(iNewContext == NULL, PanicServer(EMsvNewContextExists));
+	// Create the new context.
+	iNewContext = CMsvIndexContext::NewL(*this, *this);
+	iStartupState = EMsvNullNotification;
+	// Creating the index cache.
+	iNewContext->CreateIndexL();
+	// Updating the current drive number.
+	TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+	iIndexDrive = (*iDriveList)[curDriveIndex].driveNum;
+	}
+// The context has completed successfully or with failure
+void CMsvServer::ContextComplete(TInt aError, TBool aRunMailInit)
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Context complete with error %d"), aError);
+#endif
+	if (!aError)
+		{
+		for(TInt index = 0; index < iNotifier.Count(); ++index)
+			{
+			iNotifier[index]->Cancel();
+			}
+		iContext = iNewContext;
+		iNewContext = NULL;
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Deleting iBackup"));
+#endif
+		if(iBackup == NULL)
+			{
+			// To Gracefully handle and to register with the backup server.
+			TRAP_IGNORE(iBackup=CMsvBackupHandler::NewL(*this));
+			}
+		// Run mailinit.
+		TUint unused;
+		iFs.SetSessionToPrivate(iDriveList->CurrentDriveNumber());
+		TBool initNotCompleted = (iFs.Att(KMsvStoreInitFileName, unused)!=KErrNotFound);
+		if ((initNotCompleted || aRunMailInit))
+			{
+			RunMailInitExe(iDriveList->CurrentDriveNumber());
+			}
+		// Send index ready notification
+		NotifyChanged(EMsvIndexLoaded);
+		// Reset the index error state
+		iContext->IndexAdapter()->SetErrorState(KErrNone);
+		iStartupState = EMsvNullNotification;
+		// Restart disk change notifications.
+		if(iContext)
+			{
+			for(TInt index = 0; index < iNotifier.Count(); ++index)
+				{
+				iNotifier[index]->Start();
+				}
+			}
+		}	   // if (!aError)
+	// Remember the error
+	iLoadError = aError;
+	}
+/**
+* ChangeDrive()
+* @param TInt: DriveNumber of the new current drive.
+* @param TRequestStatus: Request Status.
+* @return TInt: System wide error code.
+*
+* The function changes the message server current drive to the
+* drive specified as its first argument. The function implementation
+* is changed in PREQ 557. The function now assumes that the new
+* current drive is already present in the preferred drive list. The
+* client should ensure this before calling ChangeDrive().
+*/
+EXPORT_C TInt CMsvServer::ChangeDrive(TInt aDrive, TRequestStatus* aStatus)
+	{
+	__ASSERT_ALWAYS(iContext->State() == TMsvIndexLoadProgress::EIndexComplete, PanicServer(EMsvLoadingInProgress));
+	TRAPD(err, DoChangeDriveL(aDrive, aStatus));
+	return err;
+	}
+void CMsvServer::DoChangeDriveL(TInt aDrive, TRequestStatus* aStatus)
+	{
+	if(aDrive == iIndexDrive)
+		{
+		User::Leave(KErrNotSupported);
+		}
+	if(aStatus)
+		{
+		*aStatus = KRequestPending;
+		}
+	// Check if the drive is present in the preferred drive list.
+	TInt newCurrentDriveIndex = 0;
+	TBool isDriveFound = EFalse;
+	for(; newCurrentDriveIndex < CMsvPreferredDriveList::GetDriveList()->Count(); newCurrentDriveIndex++)
+		{
+		if(aDrive == (*iDriveList)[newCurrentDriveIndex].driveNum)
+			{
+			isDriveFound = ETrue;
+			break;
+			}
+		}
+	// The new drive is not already present in the preferred drive list.
+	if(!isDriveFound)
+		{
+		// We should add the drive in the drive list.
+		// Check if the drive list is full
+		if(iDriveList->Count() < KMaxDriveSupported)
+			{
+			// If the drive list is NOT full, insert the new
+			// current drive entry at the beginning of the list.
+			TUint KFirstPriority = 1;
+			AddDriveToListL((TDriveNumber) aDrive, KFirstPriority);
+			}
+		else
+			{
+			// If the drive list is full, check the last drive
+			// in the drive list.
+			// If the last drive is the current drive, remove the
+			// second last drive from the preferred drive list.
+			if(iDriveList->CurrentDriveIndex() == KMaxDriveSupported - 1)
+				{
+				RemoveDriveFromListL((*iDriveList)[KMaxDriveSupported - 2].driveNum);
+				}
+			else
+				{
+				// If the last drive is not the current drive, remove
+				// it from the list.
+				RemoveDriveFromListL((*iDriveList)[KMaxDriveSupported - 1].driveNum);
+				}
+			// Now insert the new current drive entry at the
+			// beginning of the list.
+			TUint KFirstPriority = 1;
+			AddDriveToListL((TDriveNumber)aDrive, KFirstPriority);
+			}
+		// Complete the caller.
+		if(aStatus)
+			{
+			User::RequestComplete(aStatus, KErrNone);
+			}
+		}
+	// If the new drive is already present in the preferred drive list.
+	else
+		{
+		// The drive status should be either
+		// EMsvMessageStoreAvailable or EMsvMessageStoreUnavailable.
+		if( (EMsvMessageStoreAvailableStatus   != (*iDriveList)[newCurrentDriveIndex].status) &&
+			(EMsvMessageStoreUnavailableStatus != (*iDriveList)[newCurrentDriveIndex].status)
+		  )
+			{
+			User::Leave(KErrNotSupported);
+			}
+		// Check if server is busy.
+		if (0 < OutstandingOperations())
+			{
+			User::Leave(KErrServerBusy);
+			}
+		iStartupState = EMsvMediaChanged;
+		// Perform Change Drive.
+		if(aStatus)
+			{
+			User::LeaveIfError(iContext->ChangeDrive(newCurrentDriveIndex, *aStatus));
+			}
+		else
+			{
+			User::LeaveIfError(iContext->ChangeDrive(newCurrentDriveIndex));
+			}
+		// Remove the drive
+		TMsvPreferredDrive driveEntry = (*iDriveList)[newCurrentDriveIndex];
+		iDriveList->Remove(newCurrentDriveIndex);
+		iDriveList->Insert(driveEntry, 0);
+		iDriveList->SetCurrentDriveIndex(0);
+		iIndexDrive = (*iDriveList)[0].driveNum;
+		// Update the CenRep with the changes to the preferred drive list.
+		UpdateRepositoryL();
+		// Update the notifier list.
+		CMsvDiskChangeNotifier* notifier = iNotifier[newCurrentDriveIndex];
+		iNotifier.Remove(newCurrentDriveIndex);
+		iNotifier.Insert(notifier, 0);
+		}
+	// Changes for 1667.
+	if(iSearchSortCacheManager)
+		{
+		iSearchSortCacheManager->ResetSearchSortCache();
+		}
+	iStartupState = EMsvNullNotification;
+	}
+// This function is called when ChangeDrive()
+// is completed in index context.
+void CMsvServer::ChangeDriveComplete(TInt aError, TBool aRunMailInit, TDriveNumber aNewDrive)
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("ChangeDrive() complete with error %d"), aError);
+#endif
+	if (!aError)
+		{
+		for(TInt index = 0; index < iNotifier.Count(); ++index)
+			{
+			iNotifier[index]->Cancel();
+			}
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Deleting iBackup"));
+#endif
+		delete iBackup;
+		iBackup = NULL;
+		// To Gracefully handle the missing backup server.
+		TRAP_IGNORE(iBackup = CMsvBackupHandler::NewL(*this));
+		// Run mailinit.
+		TUint unused;
+		iFs.SetSessionToPrivate(aNewDrive);
+		TBool initNotCompleted = (iFs.Att(KMsvStoreInitFileName, unused)!=KErrNotFound);
+		if ((initNotCompleted || aRunMailInit) && !(iDebug))
+			{
+			RunMailInitExe(aNewDrive);
+			}
+		// Send change drive notification.
+		NotifyChanged(EMsvMediaChanged, KMsvNullIndexEntryId, iIndexDrive, aNewDrive);
+		// Reset the index error state
+		iContext->IndexAdapter()->SetErrorState(KErrNone);
+		iStartupState = EMsvNullNotification;
+		// Restart disk change notifications.
+		for(TInt index = 0; index < iNotifier.Count(); ++index)
+			{
+			if(!iNotifier[index]->IsActive())
+				{
+				iNotifier[index]->Start();
+				}
+			}
+		}	   // if (!aError)
+	// Remember the error
+	iLoadError = aError;
+	}
+/**
+* CreatePreferredDriveList()
+* @param None.
+* @return None.
+*
+* Creates a preferred drive list.
+* 1. Create an initial preferred drive list.
+* 2. Check if a CenRep has been created.
+*  2.1. CenRep has been created. Read from CenRep and fill the initial preferred
+*	   drive list.
+*  2.2. CenRep has not been created yet. Check if the config file exists.
+*	  2.2.1. Config file exists. Fill the initial preferred drive list from it.
+*	  2.2.2. Save this in the CenRep.
+*/
+void CMsvServer::CreatePreferredDriveListL()
+	{
+	_LIT(KDriveNameFormat, "PriorityDrive%d");
+	// 1. Create an initial preferred drive list.
+	iDriveList = CMsvPreferredDriveList::CreateL();
+	// 2. Check if a CenRep has been created.
+	// We use CRepository to open the CenRep and read the first key
+	// from it. The CenRep is valid if the value returned is valid,
+	// i.e. <= EDriveZ in this case.
+	CRepository* repository = CRepository::NewL(KUidConfigFile);
+	CleanupStack::PushL(repository);
+	TUint keyIndex = 0;
+	TInt driveIndex = 0;
+	TInt driveNum;
+	TInt err = repository->Get(keyIndex, driveNum);
+	// 2.1. CenRep has been created. Read from CenRep and fill the initial preferred
+	//	  drive list.
+	// <= EDriveZ will be a valid drive number and will mean that CenRep has
+	// not been initialized by us yet.
+	if( (err == KErrNone) && (driveNum <= EDriveZ) )
+		{
+		for(; keyIndex < KMaxDriveSupported; ++keyIndex)
+			{
+			if(keyIndex)
+				{
+				User::LeaveIfError(repository->Get(keyIndex, driveNum));
+				if(driveNum > EDriveZ)
+					{
+					break;
+					}
+				}
+			// Insert this drive in the list at the appropriate index.
+			TMsvPreferredDrive driveEntry;
+			driveEntry.driveNum = (TDriveNumber) driveNum;
+			driveEntry.driveId = KMsvInvalidDriveId;
+			driveEntry.status = EMsvInvalidDriveStatus;
+			iDriveList->Insert(driveEntry, driveIndex);
+			++driveIndex;
+			}
+		}
+	// 2.2. CenRep has not been created yet. Check if the config file exists.
+	else
+		{
+		CMsvIniData* iniConfigFile = NULL;
+		TRAPD(err, iniConfigFile = CMsvIniData::NewL(KPreferredDriveListFilePath));
+		if(KErrNone == err)
+			{
+			CleanupStack::PushL(iniConfigFile);
+			// List of drives currently present in the device.
+			TBool systemDriveAdded = EFalse;
+			TInt systemDrive = RFs::GetSystemDrive();
+			TName driveNameMacro;
+			TDriveList driveList;
+			User::LeaveIfError(iFs.DriveList(driveList));
+			// Add entries into preferred drive list.
+			keyIndex = 0;
+			driveIndex = 0;
+			for(TInt index = 1; index <= KMaxDriveSupported; ++index)
+				{
+				// Read drive number from ini file.
+				TInt driveNumber;
+				TPtrC ptr(NULL, 0);
+				driveNameMacro.Format(KDriveNameFormat, index);
+				TBool found = iniConfigFile->FindVar(driveNameMacro, ptr);
+				if( !found ||
+					KErrNone != RFs::CharToDrive((TChar)ptr[0], driveNumber)
+				  )
+					{
+					continue;
+					}
+				// Check if the drive is present in the device and
+				// is not a ROM drive.
+				if( (KDriveAbsent == driveList[driveNumber]) ||
+					(driveNumber == EDriveZ)
+				  )
+					{
+					continue;
+					}
+				// Check for duplicates before adding in the drive list.
+				TBool entryFound = EFalse;
+				for(TInt i = 0; i < driveIndex; i++)
+					{
+					if((*iDriveList)[i].driveNum == driveNumber)
+						{
+						entryFound = ETrue;
+						break;
+						}
+					}
+				if(entryFound)
+					{
+					continue;
+					}
+				// If it is a system drive...
+				if(driveNumber == systemDrive)
+					{
+					systemDriveAdded = ETrue;
+					}
+				// Add drive entry into preferred drive list.
+				TMsvPreferredDrive driveEntry;
+				driveEntry.driveNum = (TDriveNumber) driveNumber;
+				driveEntry.driveId = KMsvInvalidDriveId;
+				driveEntry.status = EMsvInvalidDriveStatus;
+				iDriveList->Insert(driveEntry, driveIndex);
+				User::LeaveIfError(repository->Set(keyIndex, (TInt)((*iDriveList)[driveIndex].driveNum)));
+				++driveIndex;
+				++keyIndex;
+				} //for(TInt index = 1; index <= KMaxDriveSupported; ++index)
+			CleanupStack::PopAndDestroy();  // iniConfigFile
+			// If the system drive is not already added.
+			if(!systemDriveAdded)
+				{
+				// If the number of drives in the drive list is already 7,
+				// Replace the last drive with the system drive.
+				TInt index = (driveIndex < KMaxDriveSupported)? driveIndex: 6;
+				TMsvPreferredDrive driveEntry;
+				driveEntry.driveNum = (TDriveNumber) systemDrive;
+				driveEntry.driveId = KMsvInvalidDriveId;
+				driveEntry.status = EMsvInvalidDriveStatus;
+				iDriveList->Insert(driveEntry, index);
+				User::LeaveIfError(repository->Set(keyIndex, (TInt)((*iDriveList)[index].driveNum)));
+				}
+			}
+		// Prefered drive list config file is not available. Add system drive to the drive list.
+		else
+			{
+			TMsvPreferredDrive driveEntry;
+			driveEntry.driveNum = RFs::GetSystemDrive();
+			driveEntry.driveId = KMsvInvalidDriveId;
+			driveEntry.status = EMsvInvalidDriveStatus;
+			iDriveList->Insert(driveEntry, 0);
+			keyIndex = 0;
+			User::LeaveIfError(repository->Set(keyIndex, (TInt)((*iDriveList)[0].driveNum)));
+			}
+		}
+	CleanupStack::PopAndDestroy(); //repository
+	}
+/**
+* PrepareDriveForDeletionL()
+* @param TDriveNumber: Drive number under consideration.
+*
+*/
+void CMsvServer::PrepareDriveForDeletionL(TDriveNumber aDrive)
+	{
+	// Drive should be present in the preferred drive list.
+	TInt index = 0;
+	TBool isDriveFound = EFalse;
+	for(; index < iDriveList->Count(); index++)
+		{
+		if(aDrive == (*iDriveList)[index].driveNum)
+			{
+			isDriveFound = ETrue;
+			break;
+			}
+		}
+	if(!isDriveFound)
+		{
+		return;
+		}
+	// Following operations needs to be performed
+	// only if the message store exists in the drive.
+	if(EMsvMessageStoreAvailableStatus == (*iDriveList)[index].status)
+		{
+		// Cleanup cache and detach the corresponding DB.
+		IndexAdapter().RemoveDriveL((*iDriveList)[index].driveId, index, EFalse);
+		// Send notification to all registered clients to refresh their view of messaging.
+		NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, (*iDriveList)[index].driveNum);
+		}
+	}
+/**
+* RemoveDriveFromListL()
+* @param TDriveNumber: Drive number of the drive to be removed.
+*
+*/
+void CMsvServer::RemoveDriveFromListL(TDriveNumber aDriveNumber)
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	// System drive cannot be removed from the preferred
+	// drive list.
+	if(aDriveNumber == RFs::GetSystemDrive())
+		{
+		User::Leave(KErrArgument);
+		}
+	// Drive should be present in the preferred drive list.
+	TInt index = 0;
+	TBool isDriveFound = EFalse;
+	for(; index < iDriveList->Count(); index++)
+		{
+		if(aDriveNumber == (*iDriveList)[index].driveNum)
+			{
+			isDriveFound = ETrue;
+			break;
+			}
+		}
+	if(!isDriveFound)
+		{
+		User::Leave(KErrNotFound);
+		}
+	// This is a request to remove current drive.
+	TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+	if(curDriveIndex == index)
+		{
+		// Make sure there are no pending operations
+		// with the server.
+		if (0 < OutstandingOperations())
+			{
+			User::Leave(KErrServerBusy);
+			}
+		iStartupState = EMsvMediaChanged;
+		// Check for the next available drive.
+		// This assumes that there is always a drive available.
+		TInt newDriveIndex = index + 1;
+		for(; newDriveIndex < iDriveList->Count(); newDriveIndex++)
+			{
+			if( (EMsvMessageStoreAvailableStatus   == (*iDriveList)[newDriveIndex].status) ||
+				(EMsvMessageStoreUnavailableStatus == (*iDriveList)[newDriveIndex].status)
+			  )
+				{
+				break;
+				}
+			}
+		// Perform ChangeDrive() operation.
+		User::LeaveIfError(iContext->ChangeDrive(newDriveIndex, EFalse));
+		// Update the current drive index.
+		iDriveList->SetCurrentDriveIndex(newDriveIndex);
+		iIndexDrive = (*iDriveList)[newDriveIndex].driveNum;
+		iStartupState = EMsvNullNotification;
+		// Remove drive entry from the preferred drive list.
+		iDriveList->Remove(index);
+		}
+	else
+		// This handles removal of non-current drive.
+		{
+		// Following operations needs to be performed
+		// only if the message store exists in the drive.
+		if(EMsvMessageStoreAvailableStatus == (*iDriveList)[index].status)
+			{
+			// Cleanup cache and detach the corresponding DB.
+			IndexAdapter().RemoveDriveL((*iDriveList)[index].driveId, index, EFalse);
+			// Send notification to all registered clients to refresh their view of messaging.
+			NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, (*iDriveList)[index].driveNum);
+			}
+		// Remove drive entry from the preferred drive list.
+		iDriveList->Remove(index);
+		}
+	// Update the CenRep with the changes to the preferred drive list.
+	UpdateRepositoryL();
+	// Remove the notifier for this drive.
+	delete iNotifier[index];
+	iNotifier.Remove(index);
+	}
+/**
+* AddDriveToListL()
+* @param TDriveNumber: Drive number of the drive to be added.
+* @param CMsvServerSession*: The calling session.
+* @param TUint: Priority of the new drive.
+*
+*/
+void CMsvServer::AddDriveToListL(TDriveNumber aDriveNumber, TUint& aPriority, CMsvServerSession* aCurrentSession /*DEFAULT=NULL*/)
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	TInt driveIndex = aPriority - 1;
+	// Check if the limit of allowable drives has been reached.
+	if(KMaxDriveSupported == iDriveList->Count())
+		{
+		User::Leave(KErrNotSupported);
+		}
+	// Check if the drive is present in the device.
+	TDriveList driveList;
+	User::LeaveIfError(iFs.DriveList(driveList));
+	if (0 == driveList[aDriveNumber])
+		{
+		User::Leave(KErrNotFound);
+		}
+	// Check if the priority is valid.
+	if( (0 > driveIndex) || (KMaxDriveSupported - 1 < driveIndex) )
+		{
+		User::Leave(KErrArgument);
+		}
+	// Check if the drive already present in the preferred drive list.
+	TInt index = 0;
+	for(; index < iDriveList->Count(); index++)
+		{
+		if(aDriveNumber == (*iDriveList)[index].driveNum)
+			{
+			User::Leave(KErrAlreadyExists);
+			break;
+			}
+		}
+	// Create the drive object.
+	TMsvPreferredDrive driveEntry;
+	driveEntry.driveNum = aDriveNumber;
+	driveEntry.driveId = KMsvInvalidDriveId;
+	driveEntry.status = EMsvInvalidDriveStatus;
+	// This is to avoid USER:131 panic.
+	if(driveIndex > iDriveList->Count())
+		{
+		driveIndex = iDriveList->Count();
+		aPriority = driveIndex + 1;
+		}
+	// Create the drive entry in preferred drive list.
+	iDriveList->Insert(driveEntry, driveIndex);
+	// Update the new drive status.
+	TDriveState statusDuringUpdate = EMsvInvalidDriveStatus;
+	TRAPD(err, iContext->UpdateDriveStatusL(driveIndex, statusDuringUpdate));
+	// Undo the insertion if there is an error.
+	if(KErrNone != err)
+		{
+		iDriveList->Remove(driveIndex);
+		User::Leave(err);
+		}
+	// Send a message store corrupt notification first if it was wiped. This needs to be
+	// sent before the drive change notification. Other notifications are sent below.
+	if(EMsvMessageStoreCorruptStatus == statusDuringUpdate)
+		{
+		TMsvPackedChangeNotification package(iChange);
+		package.Pack(EMsvMessageStoreCorrupt, KMsvNullIndexEntryId, driveEntry.driveNum, 0);
+		if(aCurrentSession)
+			{
+			TRAP_IGNORE(aCurrentSession->NotifyChangedL(iChange, EFalse));
+			}
+		}
+	TDriveState driveStatus = (*iDriveList)[driveIndex].status;
+	// If the priority of the new drive is higher than the
+	// current drive, we need to change the current drive.
+	TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+	if(driveIndex <= curDriveIndex)
+		{
+		// Change the drive only if a valid message store
+		// exists or can be created.
+		if( (KErrNone == err) &&
+			( (EMsvMessageStoreAvailableStatus   == driveStatus) ||
+			  (EMsvMessageStoreUnavailableStatus == driveStatus)
+			)
+		  )
+			{
+			// Make sure there are no pending operations
+			// with the server.
+			if (0 < OutstandingOperations())
+				{
+				iDriveList->Remove(driveIndex);
+				User::Leave(KErrServerBusy);
+				}
+			TBool isEntryRemovalRequired = EFalse;
+			if(EMsvMessageStoreAvailableStatus == (*iDriveList)[driveIndex].status)
+				{
+				isEntryRemovalRequired = ETrue;
+				}
+			iStartupState = EMsvMediaChanged;
+			err = iContext->ChangeDrive(driveIndex, ETrue);
+			if(KErrNone == err)
+				{
+				TUint oldDriveNum = iDriveList->CurrentDriveNumber();
+				iDriveList->SetCurrentDriveIndex(driveIndex);
+				iIndexDrive = (*iDriveList)[driveIndex].driveNum;
+				// Remove incomplete entries from the new drive.
+				if(isEntryRemovalRequired)
+					{
+					iContext->GetInPreparationIds((*iDriveList)[driveIndex].driveId);
+					if (iContext->Remove().Count())
+						{
+						RemoveEntry(KMsvNullIndexEntryId);
+						}
+					}
+				}
+			iStartupState = EMsvNullNotification;
+			}
+		// Undo the insertion if there is an error.
+		if(KErrNone != err)
+			{
+			iDriveList->Remove(driveIndex);
+			User::Leave(err);
+			}
+		}
+	else
+		// Priority is lower than the current drive.
+		{
+		// Update index cache and the database, only if
+		// message store is available in the new drive.
+		if(EMsvMessageStoreAvailableStatus == driveStatus)
+			{
+			TRAP(err, IndexAdapter().AddDriveL(driveIndex));
+			if(KErrNone == err)
+				{
+				iContext->GetInPreparationIds((*iDriveList)[driveIndex].driveId);
+				if (iContext->Remove().Count())
+					{
+					RemoveEntry(KMsvNullIndexEntryId);
+					}
+				// Send notification to all registered clients to refresh their view of messaging.
+				NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, (*iDriveList)[driveIndex].driveNum);
+				}
+			else
+				{
+				iDriveList->Remove(driveIndex);
+				User::Leave(err);
+				}
+			}
+		}
+	// Update the CenRep with the changes to the preferred drive list.
+	UpdateRepositoryL();
+	// Add a notifier for this drive.
+	TDriveUnit driveValue = TDriveUnit(aDriveNumber);
+	CMsvDiskChangeNotifier* diskChangeNotifier = CMsvDiskChangeNotifier::NewL(driveValue, *this);
+	CleanupStack::PushL(diskChangeNotifier);
+	User::LeaveIfError(iNotifier.Insert(diskChangeNotifier, driveIndex));
+	diskChangeNotifier->Start();
+	CleanupStack::Pop();
+	// Send a notification to only current client if and as set above.
+	if(aCurrentSession)
+		{
+		TMsvPackedChangeNotification package(iChange);
+		switch(statusDuringUpdate)
+			{
+			case EMsvDriveDiskNotAvailableStatus:
+				package.Pack(EMsvDiskNotAvailable, KMsvNullIndexEntryId, driveEntry.driveNum, 0);
+				TRAP_IGNORE(aCurrentSession->NotifyChangedL(iChange, EFalse));
+				break;
+			case EMsvMessageStoreNotSupportedStatus:
+				package.Pack(EMsvMessageStoreNotSupported, KMsvNullIndexEntryId, driveEntry.driveNum, 0);
+				TRAP_IGNORE(aCurrentSession->NotifyChangedL(iChange, EFalse));
+				break;
+			default:
+				break;
+			}
+		}
+	}
+/**
+* UpdateDrivePriorityL()
+* @param TDriveNumber: Drive number of the drive to be updated.
+* @param TUint: New priority of the drive.
+*
+*/
+void CMsvServer::UpdateDrivePriorityL(TDriveNumber aDriveNumber, TUint& aNewPriority)
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	TInt updatedDriveIndex = aNewPriority - 1;
+	// Check if the new priority is valid.
+	if( (0 > updatedDriveIndex) || (6 < updatedDriveIndex) )
+		{
+		User::Leave(KErrArgument);
+		}
+	// Drive should be present in the preferred drive list.
+	TInt index = 0;
+	TBool isDriveFound = EFalse;
+	for(; index<CMsvPreferredDriveList::GetDriveList()->Count(); index++)
+		{
+		if(aDriveNumber == (*iDriveList)[index].driveNum)
+			{
+			isDriveFound = ETrue;
+			break;
+			}
+		}
+	if(!isDriveFound)
+		{
+		User::Leave(KErrNotFound);
+		}
+	// If new priority is same as old.
+	if(index == updatedDriveIndex)
+		{
+		return;
+		}
+	// Creating a copy of the drive entry.
+	TMsvPreferredDrive driveEntry;
+	driveEntry.driveNum = (*iDriveList)[index].driveNum;
+	driveEntry.driveId = (*iDriveList)[index].driveId;
+	driveEntry.status = (*iDriveList)[index].status;
+	CMsvDiskChangeNotifier* notifier = NULL;
+	// Check if the current drive priority needs to be updated.
+	TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+	if(index == curDriveIndex)
+		{
+		// If the current drive remains current even after updation.
+		if(updatedDriveIndex < curDriveIndex)
+			{
+			iDriveList->Remove(index);
+			iDriveList->Insert(driveEntry, updatedDriveIndex);
+			iDriveList->SetCurrentDriveIndex(updatedDriveIndex);
+			// Update the CenRep with the changes to the preferred drive list.
+			UpdateRepositoryL();
+			// Update the notifier list.
+			notifier = iNotifier[index];
+			iNotifier.Remove(index);
+			iNotifier.Insert(notifier, updatedDriveIndex);
+			return;
+			}
+		// Ignoring the possibility that newDriveIndex
+		// is same as current drive priority.
+		// Look for new current drive.
+		if(updatedDriveIndex > curDriveIndex)
+			{
+			// Update the priority to avoid USER:131 panic.
+			if(updatedDriveIndex >= CMsvPreferredDriveList::GetDriveList()->Count())
+				{
+				updatedDriveIndex = CMsvPreferredDriveList::GetDriveList()->Count() - 1;
+				aNewPriority = updatedDriveIndex + 1;
+				}
+			// Add the current drive in its position.
+			// Now current drive is present twice in the drive list.
+			// And their drive index are: index and (updatedDriveIndex + 1).
+			iDriveList->Insert(driveEntry, updatedDriveIndex + 1);
+			TInt newCurrentIndex = curDriveIndex + 1;
+			for(; newCurrentIndex<=(updatedDriveIndex+1); newCurrentIndex++)
+				{
+				if( (EMsvMessageStoreAvailableStatus   == (*iDriveList)[newCurrentIndex].status) ||
+					(EMsvMessageStoreUnavailableStatus == (*iDriveList)[newCurrentIndex].status)
+				  )
+					{
+					break;
+					}
+				}
+			// If there is no change in the current drive.
+			if(newCurrentIndex == updatedDriveIndex + 1)
+				{
+				iDriveList->Remove(index);
+				iDriveList->SetCurrentDriveIndex(updatedDriveIndex);
+				// Update the CenRep with the changes to the preferred drive list.
+				UpdateRepositoryL();
+				// Update the notifier list.
+				notifier = iNotifier[index];
+				iNotifier.Remove(index);
+				iNotifier.Insert(notifier, updatedDriveIndex);
+				return;
+				}
+			else
+				{
+				// newCurrentIndex is the position of new current drive.
+				if (0 < OutstandingOperations())
+					{
+					User::Leave(KErrServerBusy);
+					}
+				iStartupState = EMsvMediaChanged;
+				// Perform Change Drive.
+				User::LeaveIfError(iContext->ChangeDrive(newCurrentIndex, ETrue));
+				// The drive-id of the old current drive is updated.
+				// This should be refelected in the duplicate driveEntry
+				// created in the preferred drive list.
+				(*iDriveList)[updatedDriveIndex + 1].driveId = (*iDriveList)[curDriveIndex].driveId;
+				// Remove the drive
+				iDriveList->Remove(curDriveIndex);
+				iDriveList->SetCurrentDriveIndex(newCurrentIndex - 1);
+				iIndexDrive = (*iDriveList)[newCurrentIndex - 1].driveNum;
+				// Update the CenRep with the changes to the preferred drive list.
+				UpdateRepositoryL();
+				// Update the notifier list.
+				notifier = iNotifier[index];
+				iNotifier.Remove(index);
+				iNotifier.Insert(notifier, updatedDriveIndex);
+				iStartupState = EMsvNullNotification;
+				return;
+				}
+			}
+		}
+	else
+		{
+		// Updating non-current drive.
+		// The drive can be the new current drive.
+		if(updatedDriveIndex <= curDriveIndex)
+			{
+			// Check if the drive can be made the current drive.
+			if( (EMsvMessageStoreAvailableStatus   == (*iDriveList)[index].status) ||
+				(EMsvMessageStoreUnavailableStatus == (*iDriveList)[index].status)
+			  )
+				{
+				// updatedDriveIndex is the position of new current drive.
+				if (0 < OutstandingOperations())
+					{
+					User::Leave(KErrServerBusy);
+					}
+				iStartupState = EMsvMediaChanged;
+				// Perform Change Drive.
+				User::LeaveIfError(iContext->ChangeDrive(index, ETrue));
+				// Remove the drive
+				driveEntry = (*iDriveList)[index];
+				iDriveList->Remove(index);
+				iDriveList->Insert(driveEntry, updatedDriveIndex);
+				iDriveList->SetCurrentDriveIndex(updatedDriveIndex);
+				iIndexDrive = (*iDriveList)[updatedDriveIndex].driveNum;
+				// Update the CenRep with the changes to the preferred drive list.
+				UpdateRepositoryL();
+				// Update the notifier list.
+				notifier = iNotifier[index];
+				iNotifier.Remove(index);
+				iNotifier.Insert(notifier, updatedDriveIndex);
+				iStartupState = EMsvNullNotification;
+				return;
+				}
+			else
+				{
+				// A message store cannot be created in the drive.
+				// Hence no change in the current drive.
+				// Remove the drive
+				iDriveList->Remove(index);
+				iDriveList->Insert(driveEntry, updatedDriveIndex);
+				// Update the CenRep with the changes to the preferred drive list.
+				UpdateRepositoryL();
+				// Update the notifier list.
+				notifier = iNotifier[index];
+				iNotifier.Remove(index);
+				iNotifier.Insert(notifier, updatedDriveIndex);
+				return;
+				}
+			}
+		else
+			{
+			iDriveList->Remove(index);
+			if(updatedDriveIndex >= CMsvPreferredDriveList::GetDriveList()->Count())
+				{
+				updatedDriveIndex = CMsvPreferredDriveList::GetDriveList()->Count();
+				aNewPriority = updatedDriveIndex + 1;
+				}
+			iDriveList->Insert(driveEntry, updatedDriveIndex);
+			// Update the CenRep with the changes to the preferred drive list.
+			UpdateRepositoryL();
+			// Update the notifier list.
+			notifier = iNotifier[index];
+			iNotifier.Remove(index);
+			iNotifier.Insert(notifier, updatedDriveIndex);
+			return;
+			}
+		}
+	}
+/**
+* UpdateRepositoryL()
+* @param None.
+* @return None.
+*
+* Updates CenRep with changes to the preferred drive list.
+*/
+void CMsvServer::UpdateRepositoryL()
+	{
+	CRepository* repository = CRepository::NewL(KUidConfigFile);
+	CleanupStack::PushL(repository);
+	// Reset everything in the repository. New drive list information
+	// will be written.
+	repository->Reset();
+	TInt driveIndex = 0;
+	for(TUint keyIndex=0; keyIndex < CMsvPreferredDriveList::GetDriveList()->Count(); ++keyIndex, ++driveIndex)
+		{
+		User::LeaveIfError(repository->Set(keyIndex, (*iDriveList)[driveIndex].driveNum));
+		}
+	// Setting up the current drive information.
+	User::LeaveIfError(repository->Set(KCenRepCurrentDriveKey, CMsvPreferredDriveList::GetDriveList()->CurrentDriveNumber()));
+	CleanupStack::PopAndDestroy(); //repository
+	}
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+void CMsvServer::DiskRemoved(const TDriveUnit& aDrive, TBool aTestRemoval/*DEFAULT = EFalse*/)
+#else
+void CMsvServer::DiskRemoved(const TDriveUnit& aDrive)
+#endif
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	TRAPD(err, DoDiskRemovedL(aDrive, aTestRemoval));
+#else
+	TRAPD(err, DoDiskRemovedL(aDrive));
+#endif
+	TRAP_IGNORE(UpdateRepositoryL());
+	if(KErrNone != err)
+		{
+		NotifyChanged(EMsvUnableToProcessDiskNotification, KMsvNullIndexEntryId, TInt(aDrive), 0);
+		}
+	}
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+void CMsvServer::DoDiskRemovedL(const TDriveUnit& aDrive, TBool aTestRemoval)
+#else
+void CMsvServer::DoDiskRemovedL(const TDriveUnit& aDrive)
+#endif
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d removed"), TInt(aDrive));
+#endif
+	//Find the index of the drive that has been removed.
+	TInt driveCount = CMsvPreferredDriveList::GetDriveList()->Count();
+	TInt index = 0;
+	for(index=0; index < driveCount; ++index)
+		{
+		if((TInt)(*iDriveList)[index].driveNum == (TInt)aDrive)
+			{
+			break;
+			}
+		}
+	//Record previous drive status before we attempt to update drive's status.
+	TDriveState previousDriveStatus = (*iDriveList)[index].status;
+	//Update the drive's status.
+	TDriveState statusDuringUpdate = EMsvInvalidDriveStatus;
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	if(aTestRemoval)
+		(*iDriveList)[index].status = EMsvDriveDiskNotAvailableStatus;
+	else
+#endif
+		iContext->UpdateDriveStatusL(index, statusDuringUpdate);
+	//Check if the disk had a message store in the first place.
+	//If yes, then perform removal operations.
+	//Note that we do not send a notification for a disk which did
+	//not have a message store available.
+	if(EMsvMessageStoreAvailableStatus == previousDriveStatus)
+		{
+		//Check if the disk was removed from the current drive.
+		//If yes, then we need to change the drive to the next drive in
+		//the list.
+		TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+		if(index == curDriveIndex)
+			{
+			//Find the next drive index to change the drive to.
+			TInt nextDriveIndex = curDriveIndex + 1;
+			for(; nextDriveIndex < driveCount; ++nextDriveIndex)
+				{
+				if(EMsvMessageStoreAvailableStatus == (*iDriveList)[nextDriveIndex].status ||
+				   EMsvMessageStoreUnavailableStatus == (*iDriveList)[nextDriveIndex].status )
+					{
+					break;
+					}
+				}
+			iStartupState = EMsvMediaUnavailable;
+			//Change the drive to the above drive and set current drive index.
+			User::LeaveIfError(iContext->ChangeDrive(nextDriveIndex, EFalse));
+			iDriveList->SetCurrentDriveIndex(nextDriveIndex);
+			iStartupState = EMsvMediaChanged;
+			iIndexDrive = (*iDriveList)[nextDriveIndex].driveNum;
+			}
+		//If not, we only need to remove the drive from the list.
+		else
+			{
+			iContext->IndexAdapter()->RemoveDriveL((*iDriveList)[index].driveId, index, EFalse);
+			iStartupState = EMsvNullNotification;
+			//Send the notification to all registered clients that they need to
+			//refresh their view of messaging.
+			NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, TInt(aDrive));
+			} //if(index == iCurrentDriveIndex)
+		} //if(EMsvMessageStoreAvailable == previousDriveStatus)
+	iStartupState = EMsvNullNotification;
+	iContext->IndexAdapter()->SetErrorState(KErrNone);
+	}
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+void CMsvServer::DiskInserted(const TDriveUnit& aDrive, TBool aTestInsert/*DEFAULT = EFalse*/)
+#else
+void CMsvServer::DiskInserted(const TDriveUnit& aDrive)
+#endif
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	TRAPD(err, DoDiskInsertedL(aDrive, aTestInsert));
+#else
+	TRAPD(err, DoDiskInsertedL(aDrive));
+#endif
+	TRAP_IGNORE(UpdateRepositoryL());
+	if(KErrNone != err)
+		{
+		NotifyChanged(EMsvUnableToProcessDiskNotification, KMsvNullIndexEntryId, TInt(aDrive), 0);
+		}
+	}
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+void CMsvServer::DoDiskInsertedL(const TDriveUnit& aDrive, TBool aTestInsert)
+#else
+void CMsvServer::DoDiskInsertedL(const TDriveUnit& aDrive)
+#endif
+//
+// Disk reinserted - Message store available again
+//
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d inserted"), TInt(aDrive));
+#endif
+	//Find the drive index of this drive
+	TInt driveCount = iDriveList->Count();
+	TInt index = 0;
+	for(index=0; index < driveCount; ++index)
+		{
+		if((TInt)(*iDriveList)[index].driveNum == (TInt)aDrive)
+			{
+			break;
+			}
+		}
+	//Update the drive's status.
+	TDriveState statusDuringUpdate = EMsvInvalidDriveStatus;
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	if(aTestInsert)
+		{
+		statusDuringUpdate = EMsvMessageStoreCorruptStatus;
+		(*iDriveList)[index].status = EMsvMessageStoreUnavailableStatus;
+		}
+	else
+		{
+#endif
+		iContext->UpdateDriveStatusL(index, statusDuringUpdate);
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+		}
+#endif
+	TDriveState driveState = (*iDriveList)[index].status;
+	//Check if message store was corrupt.
+	if(EMsvMessageStoreCorruptStatus == statusDuringUpdate)
+		{
+		//Send notifications to all registered clients that
+		// media has a corrupt message store.
+		NotifyChanged(EMsvMessageStoreCorrupt, KMsvNullIndexEntryId, TInt(aDrive));
+		}
+	if(EMsvMessageStoreNotSupportedStatus == driveState)
+		{
+		// Send notifications to all registered clients that
+		// media has an unsupported version of message store.
+		NotifyChanged(EMsvMessageStoreNotSupported, KMsvNullIndexEntryId, TInt(aDrive));
+		}
+	//Check if this new disk is in a higher priority drive.
+	//If yes, then change drive to this higher priority drive.
+	TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+	if(index < curDriveIndex)
+		{
+		//Check if message store is available on this drive.
+		if( EMsvMessageStoreAvailableStatus   == driveState ||
+			EMsvMessageStoreUnavailableStatus == driveState
+		  )
+			{
+			TBool isEntryRemovalRequired = EFalse;
+			if(EMsvMessageStoreAvailableStatus == (*iDriveList)[index].status)
+				{
+				isEntryRemovalRequired = ETrue;
+				}
+			iStartupState = EMsvMediaChanged;
+			//Change the drive to this drive.
+			User::LeaveIfError(iContext->ChangeDrive(index));
+			iIndexDrive = (*iDriveList)[index].driveNum;
+			//Set the current drive index as the above drive.
+			iDriveList->SetCurrentDriveIndex(index);
+			// Remove incomplete entries from the new drive.
+			if(isEntryRemovalRequired)
+				{
+				iContext->GetInPreparationIds((*iDriveList)[index].driveId);
+				if (iContext->Remove().Count())
+					{
+					RemoveEntry(KMsvNullIndexEntryId);
+					}
+				}
+			}
+		}
+	//If not, then we need to send a notification only if the disk
+	//has a valid message store.
+	else
+		{
+		//Check if message store is available on this drive.
+		if(EMsvMessageStoreAvailableStatus == driveState)
+			{
+			//Attach the database in the drive.
+			iContext->IndexAdapter()->AddDriveL(index);
+			iContext->GetInPreparationIds((*iDriveList)[index].driveId);
+			if (iContext->Remove().Count())
+				{
+				RemoveEntry(KMsvNullIndexEntryId);
+				}
+			//Send the notification to all registered clients that they need to
+			//refresh their view of messaging.
+			NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, TInt(aDrive));
+			}
+		}
+	iStartupState = EMsvNullNotification;
+	iContext->IndexAdapter()->SetErrorState(KErrNone);
+	}
+void CMsvServer::DiskChanged(const TDriveUnit& aDrive)
+	{
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = EMsvNullNotification;
+#endif
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d changed"), TInt(aDrive));
+#endif
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	TRAPD(err, DoDiskRemovedL(aDrive, EFalse));
+#else
+	TRAPD(err, DoDiskRemovedL(aDrive));
+#endif
+	TRAP_IGNORE(UpdateRepositoryL());
+	if(KErrNone != err)
+		{
+		// Send change drive notification.
+		NotifyChanged(EMsvUnableToProcessDiskNotification, KMsvNullIndexEntryId, TInt(aDrive), 0);
+		}
+	iContext->IndexAdapter()->SetErrorState(KErrNone);
+	}
+/*
+* UpdateDriveStatus()
+* @param TDriveUnit& : Drive information.
+* @param TDriveStatus: New status of the drive.
+*
+* The function is called by CMsvCopyStoreOperation and
+* CMsvDeleteStoreOperation to update the target drive status
+* after completion of copying/deleting message store.
+*/
+void CMsvServer::UpdateDriveStatusL(const TDriveUnit& aDrive, TDriveState aStatus)
+	{
+	TUint driveIndex;
+	// If the drive is not present in the preferred drive list.
+	if(KErrNotFound == iDriveList->GetDriveIndex(TDriveNumber(TInt(aDrive)), driveIndex))
+		{
+		return;
+		}
+	// Update the drive status.
+	iDriveList->UpdateDriveStatusL(driveIndex, aStatus);
+	// Drive should be available for viewing.
+	if(EMsvMessageStoreAvailableStatus == aStatus)
+		{
+		TUint curDriveIndex = iDriveList->CurrentDriveIndex();
+		// Check if the new drive can be the current drive.
+		if(driveIndex < curDriveIndex)
+			{
+			//Change the drive to this drive.
+			User::LeaveIfError(iContext->ChangeDrive(driveIndex));
+			iIndexDrive = (*iDriveList)[driveIndex].driveNum;
+			//Set the current drive index as the above drive.
+			iDriveList->SetCurrentDriveIndex(driveIndex);
+			// Current drive changed, update the cenrep.
+			UpdateRepositoryL();
+			}
+		else
+			{
+			iContext->IndexAdapter()->AddDriveL(driveIndex);
+			//Send the notification to all registered clients that they need to
+			//refresh their view of messaging.
+			NotifyChanged(EMsvRefreshMessageView, KMsvNullIndexEntryId, TInt(aDrive));
+			}
+		// Remove incomplete entries from the new drive.
+		iContext->GetInPreparationIds((*iDriveList)[driveIndex].driveId);
+		if (iContext->Remove().Count())
+			{
+			RemoveEntry(KMsvNullIndexEntryId);
+			}
+		}
+	}
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+void CMsvServer::ResetRepositoryL()
+	{
+	CRepository* repository = CRepository::NewL(KUidConfigFile);
+	// Reset everything in the repository. Default values supplied will be
+	// filled in.
+	User::LeaveIfError(repository->Reset());
+	delete repository;
+	}
+#endif	  // #if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+#else	   // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+EXPORT_C void CMsvServer::CreateIndexL(TBool aSync)
+//
+// Creates the index, either loading it from file or creating a new file/index
+//
+	{
+	__ASSERT_DEBUG(iNewContext == NULL, PanicServer(EMsvNewContextExists));
+	TDriveUnit drive(iSystemDrive);
+	// Create the new context
+	DeleteNewContext();
+	iNewContext = CMsvIndexContext::NewL(*this, *this);
+	// Get the Message Server configuration
+	TInt error = iNewContext->LoadStoreConfig(ETrue);
+	iStartupState = EMsvNullNotification;
+	if (!error)
+		{
+		drive = iNewContext->Config().iDrive;
+		iIndexDrive = drive;
+		// Check the drive is available and has correct Id
+		TVolumeInfo volume;
+		if (iFs.Volume(volume, TInt(drive)) != KErrNone)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("The media is not available - using default"));
+#endif
+			// The media is not available - use default
+			iStartupState = EMsvMediaUnavailable;
+			drive = iSystemDrive;
+			}
+		iNewContext->CreateIndexL(drive, aSync);
+		return;
+		}
+	else if (error == KErrInUse)
+		{
+		iIndexDrive = drive;
+		iNewContext->CreateIndexL(drive, aSync);
+		return;
+		}
+	User::Leave(error);
+	}
+EXPORT_C TInt CMsvServer::ChangeDrive(TInt aDrive, TRequestStatus* aStatus)
+//
+// Reload the Message Store from the specified drive
+// If aStatus is null the index is loaded synchronously
+// On error the index is unchanged
+//
+	{
+	TRAPD(error, DoChangeDriveL(aDrive, aStatus));
+	if (error)
+		DeleteNewContext();
+	return error;
+	}
+void CMsvServer::DoChangeDriveL(TInt aDrive, TRequestStatus* aStatus)
+	{
+	__ASSERT_ALWAYS(iContext->State() == TMsvIndexLoadProgress::EIndexComplete, PanicServer(EMsvLoadingInProgress));
+	__ASSERT_ALWAYS(aDrive != iContext->Config().iDrive, User::Leave(KErrNotSupported));
+	__ASSERT_DEBUG(iNewContext == NULL, PanicServer(EMsvNewContextExists));
+	if(iSearchSortCacheManager)
+		{
+		iSearchSortCacheManager->ResetSearchSortCache();
+		}
+	iContext->IndexAdapter()->GetDbAdapter()->ClearDBContentsL();
+	// Delete any existing context
+	DeleteNewContext();
+	iNewContext = CMsvIndexContext::NewL(*this, *this);
+	iNewContext->LoadStoreConfig(ETrue);
+	iIndexDrive = aDrive;
+	if (aStatus)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Changing drive asynchronously %d"), aDrive);
+#endif
+		// Load index asynchronously - will signal observer when complete
+		iNewContext->CreateIndexL(aDrive, *aStatus);
+		}
+	else
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Changing drive synchronously %d"), aDrive);
+#endif
+		// Load index synchronously
+		iNewContext->CreateIndexL(aDrive, ETrue);
+		// Delete the context - only relevant if an error occurs
+		DeleteNewContext();
+		User::LeaveIfError(iLoadError);
+		}
+	}
+void CMsvServer::BuildDefaultIniFileL(TMsvConfig& aConfig)
+	{
+	RFs fileSession;
+	fileSession.Connect();
+	TInt error;
+	TVolumeInfo volume;
+	TUint uniqueId = 0;
+	TChar driveChar= fileSession.GetSystemDriveChar();
+	TBuf<2> systemDrive;
+	systemDrive.Append(driveChar);
+	systemDrive.Append(KDriveDelimiter);
+	TDriveUnit driveUnit(systemDrive);
+	error = fileSession.Volume(volume, TInt(driveUnit));
+	if (!error)
+		{
+		uniqueId = volume.iUniqueID;
+		}
+	else
+		{
+		User::Leave(error);
+		}
+	TPath pathName(systemDrive);
+	pathName.Append(KServerINIFile);
+	CDictionaryFileStore *store=CDictionaryFileStore::OpenLC(fileSession, pathName, KNullUid);
+	RDictionaryWriteStream stream;
+	stream.AssignLC(*store, KUidMsvMessageDriveStream);
+	//Assign the default values
+	stream.WriteUint8L(KMsvMessageDriveStreamVersionNumber); // version number
+	stream << systemDrive;
+	stream.WriteUint32L(uniqueId);
+	stream.WriteInt8L(EFalse);
+	stream.CommitL();
+	store->CommitL();
+	CleanupStack::PopAndDestroy(2,store); // stream, store
+	// update the values in aConfig
+	aConfig.iDrive = driveUnit;
+	aConfig.iUniqueID = uniqueId;
+	aConfig.iDebug = EFalse;
+	return; // there's no need to try to read further
+			// values since we just made them up and
+			// stored them here to replace the corrupt
+			// ini file
+	}
+void CMsvServer::CurrentConfigL(RFs& aFs, TMsvConfig& aConfig)
+	{
+	TChar driveChar= aFs.GetSystemDriveChar();
+	TBuf<2> systemDrive;
+	systemDrive.Append(driveChar);
+	systemDrive.Append(KDriveDelimiter);
+	TDriveUnit driveUnit(systemDrive);
+	aConfig.iDrive = driveUnit;
+	aConfig.iUniqueID = 0;
+	aConfig.iDebug = EFalse;
+	TPath pathName(driveUnit.Name());
+	pathName.Append(KServerINIFile);
+	// try to open system ini
+	CDictionaryFileStore* store = NULL;
+	TUint unused;
+	TInt err=aFs.Att(pathName, unused);
+	if(err==KErrNone)
+		{
+		TRAPD(openIniErr,store = CDictionaryFileStore::OpenL(aFs, pathName, KNullUid));
+		if (openIniErr == KErrCorrupt)
+			{
+			// The ini file has been corrupted. Delete it and create a new one
+			aFs.Delete(pathName);
+			RFile newIniFile;
+			User::LeaveIfError(newIniFile.Create(aFs, pathName, EFileWrite));
+			newIniFile.Close();
+			BuildDefaultIniFileL(aConfig);
+			return;
+			}
+		User::LeaveIfError(openIniErr);
+		CleanupStack::PushL(store);
+		// get configuration from system ini
+		if (store->IsPresentL(KUidMsvMessageDriveStream))
+			{
+			RDictionaryReadStream readStream;
+			readStream.OpenLC(*store, KUidMsvMessageDriveStream);
+			TInt version = readStream.ReadInt8L();
+			// Check the drive stream version number. If invalid,
+			// rebuild the ini file
+			if (version > KMsvMessageDriveStreamVersionNumber)
+				{
+				//cleanup the corrupted info
+				CleanupStack::PopAndDestroy(2, store);
+				//create a new ini file
+				RFs fileSession;
+				fileSession.Connect();
+				TInt error;
+				TVolumeInfo volume;
+				TUint uniqueId = 0;
+				TDriveUnit driveUnit(systemDrive);
+				error = fileSession.Volume(volume, TInt(driveUnit));
+				if (!error)
+					{
+					uniqueId = volume.iUniqueID;
+					}
+				else
+					{
+					User::Leave(error);
+					}
+				CDictionaryFileStore *store=CDictionaryFileStore::OpenLC(fileSession, pathName, KNullUid);
+				RDictionaryWriteStream stream;
+				stream.AssignLC(*store, KUidMsvMessageDriveStream);
+				//Assign the default values
+				stream.WriteUint8L(KMsvMessageDriveStreamVersionNumber); // version number
+				stream << systemDrive;
+				stream.WriteUint32L(uniqueId);
+				stream.WriteInt8L(EFalse);
+				stream.CommitL();
+				store->CommitL();
+				CleanupStack::PopAndDestroy(2,store); // stream, store
+				// update the values in aConfig
+				aConfig.iDrive = driveUnit;
+				aConfig.iUniqueID = uniqueId;
+				aConfig.iDebug = EFalse;
+				return; // there's no need to try to read further
+						// values since we just made them up and
+						// stored them here to replace the corrupt
+						// ini file
+				}
+			TBuf<2> drive;
+			readStream >> drive;
+			aConfig.iDrive = drive;
+			// The drive Id didn't exist in earlier versions
+			if (version > 1)
+				aConfig.iUniqueID = readStream.ReadUint32L();
+			// This debug frig wasn't in earlier versions
+			if (version > 2)
+				aConfig.iDebug = readStream.ReadInt8L();
+			CleanupStack::PopAndDestroy(); // readStream
+			}
+		CleanupStack::PopAndDestroy(); // store
+		}
+	// remember what we loaded, so we don't have to save it if it doesn't change.
+	// also means we don't have the defaults as they never change.
+	aConfig.iDriveAsLoaded=aConfig.iDrive;
+	aConfig.iDebugAsLoaded=aConfig.iDebug;
+	aConfig.iUniqueIDAsLoaded=aConfig.iUniqueID;
+	}
+TBool CMsvServer::DiskRemoved(const TDriveUnit& aDrive)
+	{
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d removed"), TInt(aDrive));
+#endif
+	if(iContext->IndexAdapter()->ErrorState() != KMsvIndexRestore)
+		{
+		NotifyChanged(EMsvMediaUnavailable, KMsvNullIndexEntryId, TInt(aDrive));
+		}
+	else
+		{
+		iReleasedForRestore = ETrue;
+		}
+	iContext->IndexAdapter()->SetErrorState(KMsvMediaUnavailable);
+	iContext->IndexAdapter()->DeleteDbAdapter();
+	iStartupState = EMsvMediaUnavailable;
+	return ETrue;
+	}
+TBool CMsvServer::DiskInserted(const TDriveUnit& aDrive)
+	{
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d inserted"), TInt(aDrive));
+#endif
+	if(!iReleasedForRestore)
+		{
+		NotifyChanged(EMsvMediaAvailable, KMsvNullIndexEntryId, TInt(aDrive));
+		}
+	else
+		{
+		iReleasedForRestore = EFalse;
+		}
+	iContext->IndexAdapter()->SetErrorState(KErrNone);
+	//Need to re-open the DB when media is available (EMsvMediaAvailable).
+	//Get current drive
+	TInt currentDrive = 0;
+	TRAPD(err, currentDrive = MessageServer::CurrentDriveL(iFs));
+	if (err != KErrNone)
+		{
+		return EFalse;
+		}
+	//Get system drive
+	TChar charDrive = FileSession().GetSystemDriveChar();
+	TInt defaultDrive = 0;
+	iFs.CharToDrive(charDrive, defaultDrive);
+	TChar driveToOpen;
+	iFs.DriveToChar(currentDrive, driveToOpen);
+	if(currentDrive != defaultDrive)
+		{
+		TBuf<2> systemDrive;
+		systemDrive.Append(driveToOpen);
+		systemDrive.Append(KDriveDelimiter);
+		TPath pathName(systemDrive);
+		pathName.Append(KMsvDbFile);
+		//Re-open the DB
+		TRAPD(error, iContext->IndexAdapter()->OpenclosedL(pathName));
+		if(error)
+			{
+			#ifndef _NO_SERVER_LOGGING_
+				Log(_L("Unable to re-open DB  "));
+			#endif
+			}
+		}
+	iStartupState = EMsvNullNotification;
+	return ETrue;
+	}
+TBool CMsvServer::DiskChanged(const TDriveUnit& aDrive, TUint)
+	{
+	__ASSERT_DEBUG(iContext->IndexAdapter(), PanicServer(EMsvNoIndex));
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Disk %d changed"), TInt(aDrive));
+#endif
+	NotifyChanged(EMsvMediaIncorrect, KMsvNullIndexEntryId, TInt(aDrive));
+	iContext->IndexAdapter()->SetErrorState(KMsvMediaIncorrect);
+	iStartupState = EMsvMediaIncorrect;
+	return ETrue;
+	}
+void CMsvServer::ContextComplete(TInt aError, TBool aRunMailInit)
+//
+// The context has completed successfully or with failure
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Context complete with error %d"), aError);
+#endif
+	if (!aError)
+		{
+		// Stop disk change notifications
+		iNotify->Cancel();
+		// Save the new configuration
+		iNewContext->LoadStoreConfig(EFalse); // Ignore the error
+		TBool startup = iContext == NULL;
+		CMsvIndexContext* oldContext = iContext;
+		iContext = iNewContext;
+		iNewContext = NULL;
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Deleting iBackup"));
+#endif
+		if(iBackup == NULL)
+			{
+			// To Gracefully handle and to register with the backup server.
+			TRAP_IGNORE(iBackup=CMsvBackupHandler::NewL(*this));
+			}
+		// Check for presence of MailInit not completed flag
+		iFs.SetSessionToPrivate(iContext->Config().iDrive);
+		TUint unused;
+		TBool initNotCompleted = (iFs.Att(KMsvStoreInitFileName, unused)!=KErrNotFound);
+		if ((initNotCompleted || aRunMailInit) && !(iDebug || iContext->Config().iDebug))
+			RunMailInitExe();
+		// Send index ready notification
+		NotifyChanged(EMsvIndexLoaded);
+		if (!startup)
+			{
+			// Send disk change notification
+			NotifyChanged(EMsvMediaChanged, KMsvNullIndexEntryId, TInt(oldContext->Config().iDrive), TInt(iContext->Config().iDrive));
+			}
+		else
+			{
+			// Send disk change notifications if drive changed
+			if (iStartupState != EMsvNullNotification && TInt(iIndexDrive) != TInt(iContext->Config().iDrive))
+				{
+				NotifyChanged(iStartupState, KMsvNullIndexEntryId, TInt(iIndexDrive));
+				NotifyChanged(EMsvMediaChanged, KMsvNullIndexEntryId, TInt(iIndexDrive), TInt(iContext->Config().iDrive));
+				}
+			}
+		// Reset the index error state
+		iContext->IndexAdapter()->SetErrorState(KErrNone);
+		iStartupState = EMsvNullNotification;
+		delete oldContext;
+		}
+	if (iContext && iContext->Config().iDrive.Name().CompareF(iSystemDrive) != 0 && !iNotify->IsActive())
+		{
+		// Restart disk change notifications
+		iNotify->Start(iContext->Config().iDrive, iContext->Config().iUniqueID);
+		}
+	// Remember the error
+	iLoadError = aError;
+	}
+#endif		  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+void CMsvServer::RunMailInitExe(TDriveNumber aDriveNum)
+#else
+void CMsvServer::RunMailInitExe()
+#endif
+//
+//
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Running mailinit"));
+#endif
+	_LIT8(KMsvStoreInitTestData,"StoreInit");
+	RFile storeInitFile;
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	iFs.SetSessionToPrivate(aDriveNum);
+#else
+	iFs.SetSessionToPrivate(iContext->Config().iDrive);
+#endif
+	if (storeInitFile.Replace(iFs, KMsvStoreInitFileName, EFileShareAny|EFileWrite)==KErrNone)
+		storeInitFile.Write(KMsvStoreInitTestData);
+	storeInitFile.Close();
+	// NOTE! MailInit.exe MUST delete this file otherwise MailInit will be run each time the
+	//	   message server is started.
+	// this note is only true for releases before v9.0
+	_LIT(KMsvPostInitialisationSearchPattern, "*MAILINIT*");
+	_LIT(KMsvPostInitialisationProcessPattern, "*");
+	RProcess p;
+	TFindProcess finder;
+#define CREATE_PROCESS_OR_THREAD() p.Create(KMsvPostInitialisationExe, TPtr(NULL,0), TUidType(KNullUid, KNullUid, KMsvMailInitExeUid))
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Checking for mailinit process/thread"));
+#endif
+	TFullName fullName;
+	TBool found = EFalse;
+	finder.Find(KMsvPostInitialisationProcessPattern);
+	while (finder.Next(fullName) == KErrNone && !found)
+		{
+		fullName.UpperCase();
+		if (fullName.Match(KMsvPostInitialisationSearchPattern) != KErrNotFound)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Mailinit (%S) found"), &fullName);
+#endif
+			found = ETrue;
+			break;
+			}
+		}
+	if (!found)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Mailinit not detected, running"));
+#endif
+		if (CREATE_PROCESS_OR_THREAD() == KErrNone)
+			{
+			p.Resume();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+			iMailinitWaiter->WaitFor(p, aDriveNum);
+#else
+			iMailinitWaiter->WaitFor(p, (TDriveNumber) (TInt)(iContext->Config().iDrive));
+#endif
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Mailinit run"));
+#endif
+			}
+		}
+	}
+CSession2* CMsvServer::DoNewSessionL(const RMessage2 &aMessage)
+//
+//
+//
+	{
+	if (iCloseServer)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("New session requested whilst waiting to close!"));
+#endif
+		User::Leave(KErrServerBusy);
+		}
+	// create the session
+	CMsvServerSession* ses = CMsvServerSession::NewL(*this, aMessage);
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("New session created for process %S"), &ses->ProcessName());
+#endif
+#ifdef MSG_SERV_AUTO_CLOSE
+	// cancel the close down timer
+	iCloseTimer->Cancel();
+#endif
+	return ses;
+	}
+CSession2 *CMsvServer::NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const
+	{
+	// check we're the right version
+	TVersion v(KMsvServerMajorVersionNumber,KMsvServerMinorVersionNumber,KMsvServerBuildVersionNumber);
+	if (!User::QueryVersionSupported(v,aVersion))
+		User::Leave(KErrNotSupported);
+	// create the index if not already done
+	return ((CMsvServer*)this)->DoNewSessionL(aMessage);
+	}
+void CMsvServer::CompleteBulkTransaction(void)
+	{
+	iContext->IndexAdapter()->CommitNonCommitedEntries();
+	TRAP_IGNORE(NotifyChangedBulkL());
+	}
+void CMsvServer::NotifyChangedBulkL()
+	{
+	// send notifications for the created entries
+	DoNotifyChangedBulkL(EMsvEntriesCreated, *iBulkCreationSelection);
+	// send notifications for the changed entries
+	CMsvEntrySelection* selection = new(ELeave) CMsvEntrySelection();
+	CleanupStack::PushL(selection);
+	TInt bulkChangeCount = iBulkChangeSelection->Count();
+	selection->SetReserveL(bulkChangeCount);
+	// no need to notify entries which have already been notified (by the create notification)
+	TMsvId changedId = 0;
+	for (TInt ii=0; ii<bulkChangeCount; ++ii)
+		{
+		changedId = iBulkChangeSelection->At(ii);
+		if (iBulkCreationSelection->Find(changedId) == KErrNotFound)
+			{
+			selection->AppendL(changedId);
+			}
+		}
+	DoNotifyChangedBulkL(EMsvEntriesChanged, *selection);
+	iBulkCreationSelection->Reset();
+	iBulkChangeSelection->Reset();
+	CleanupStack::PopAndDestroy(selection);
+	}
+void CMsvServer::DoNotifyChangedBulkL(TMsvServerChangeNotificationType aChangeType, const CMsvEntrySelection& aEntriesToNotify)
+	{
+	TInt entriesToNotifyCount = aEntriesToNotify.Count();
+	if( entriesToNotifyCount > 0 )
+		{
+		//Check whether all entries has the same parent id
+		//If not send individual notifications
+		CMsvEntrySelection* selection = new(ELeave) CMsvEntrySelection();
+		CleanupStack::PushL(selection);
+		// Reserve the maximum space required - avoid leaves later on.
+		selection->SetReserveL(entriesToNotifyCount);
+		TMsvId id;
+		TMsvId parentId = KMsvNullIndexEntryId;
+		TMsvId tempParentId = KMsvNullIndexEntryId;
+		TMsvEntry* entryPtr;
+		TInt error;
+		TBool foundOne(EFalse);
+		for (TInt i = 0; i < entriesToNotifyCount; ++i)
+			{
+			id = aEntriesToNotify.At(i);
+			error = IndexAdapter().GetEntry(id, entryPtr);
+			if (error == KErrNone)
+				{
+				tempParentId = entryPtr->Parent();
+				if (foundOne)
+					{
+					// We have found a previously valid entry. If this
+					// new entry has a different parent to the previous one,
+					// send the notifications now using the old parent and
+					// start again with the new parent.
+					if (tempParentId != parentId)
+						{
+						NotifyChanged(aChangeType, *selection, parentId);
+						selection->Reset();
+						parentId = tempParentId;
+						}
+					}
+				else
+					{
+					// This is the first valid entry we have found. Store its parent
+					// as we need to see if the next entry has the same parent as well
+					foundOne = ETrue;
+					parentId = tempParentId;
+					}
+				selection->AppendL(id);
+				}
+			}
+		if (selection->Count() != 0)
+			{
+			NotifyChanged(aChangeType, *selection, parentId);
+			}
+		CleanupStack::PopAndDestroy(selection);
+		}
+	}
+void CMsvServer::PoliceReadEntryL(const RMessage2& aMsg, TSecureId aOwnerId, const char* aContextText)
+	{
+	// The client can read the entry under following circumstances.
+	// 1. The client has Read User Data capability.
+	// 2. The client does not have Read User Data but owns the entry.
+	// First check if the client is trusted with Read User Data.
+	if( !aMsg.HasCapability(ECapabilityReadUserData) )
+		{
+		// Client not trusted with Read User data - check that it owns the entry.
+		if( aMsg.SecureId() != aOwnerId )
+			{
+			// Client missing capabilities - emit diagnostics and leave...
+			User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, ECapabilityReadUserData, aContextText));
+			}
+		}
+	}
+void CMsvServer::PoliceReadEntryL(const RMessage2& aMsg, TMsvId aId, const char* aContextText)
+	{
+	// The client can read the entry under following circumstances.
+	// 1. The client has Read User Data capability.
+	// 2. The client does not have Read User Data but owns the entry.
+	// First check if the client is trusted with Read User Data.
+	if( !aMsg.HasCapability(ECapabilityReadUserData) )
+		{
+		// Client not trusted with Read User data - check that it owns the entry.
+		TMsvEntry* entryPtrNotUsed;
+		TSecureId ownerId;
+		TInt error = IndexAdapter().GetEntry(aId, entryPtrNotUsed, ownerId);
+		if( aMsg.SecureId() != ownerId )
+			{
+			// Client missing capabilities - emit diagnostics and leave...
+			User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, ECapabilityReadUserData, aContextText));
+			}
+		}
+	}
+void CMsvServer::PoliceCreateEntryL(const RMessage2& aMsg, TMsvEntry aEntry, TBool& aIsLocal, const char* aContextText)
+	{
+	// Get the parent entry info...
+	CMsvIndexAdapter::TMsvServerEntryInfo info;
+	User::LeaveIfError(iContext->IndexAdapter()->EntryTreeInfo(aEntry.Parent(), info));
+	// Change the MTM and type to that specified in aEntry...
+	info.iType  = aEntry.iType;
+	info.iMtm   = aEntry.iMtm;
+	PoliceCreateModifyEntryL(aMsg, info, ETrue, aIsLocal, aContextText);
+	}
+void CMsvServer::PoliceModifyEntryL(const RMessage2& aMsg, TMsvEntry aEntry, TBool& aIsLocal, const char* aContextText)
+	{
+	// Get the entry info...
+	CMsvIndexAdapter::TMsvServerEntryInfo info;
+	User::LeaveIfError(iContext->IndexAdapter()->EntryTreeInfo(aEntry.Id(), info));
+	// Change the MTM and type to that specified in aEntry...
+	info.iType  = aEntry.iType;
+	info.iMtm   = aEntry.iMtm;
+	PoliceCreateModifyEntryL(aMsg, info, EFalse, aIsLocal, aContextText);
+	}
+void CMsvServer::PoliceModifyEntryL(const RMessage2& aMsg, TMsvId aId, TBool& aIsLocal, const char* aContextText)
+	{
+	// Get the entry info...
+	CMsvIndexAdapter::TMsvServerEntryInfo info;
+	User::LeaveIfError(iContext->IndexAdapter()->EntryTreeInfo(aId, info));
+	PoliceCreateModifyEntryL(aMsg, info, EFalse, aIsLocal, aContextText);
+	}
+void CMsvServer::PoliceModifyEntryL(const RMessage2& aMsg, TMsvId aId, const char* aContextText)
+	{
+	TBool notUsed;
+	PoliceModifyEntryL(aMsg, aId, notUsed, aContextText);
+	}
+void CMsvServer::PoliceCreateModifyEntryL(const RMessage2& aMsg, CMsvIndexAdapter::TMsvServerEntryInfo aEntryInfo, TBool aCreate, TBool& aIsLocal, const char* aContextText)
+	{
+	TCapabilitySet caps;
+	// The entry is local if the service is the local service.
+	aIsLocal = aEntryInfo.iService == KMsvLocalServiceIndexEntryId;
+	// Check if a service entry or non-service entry is being created.
+	if( aEntryInfo.iType != KUidMsvServiceEntry && aEntryInfo.iType != KUidMsvRootEntry )
+		{
+		// When creating/modifying an under local service, use the entry MTM
+		// but under a remote service, use the remote service MTM.
+		TUid mtm = aIsLocal ? aEntryInfo.iMtm : aEntryInfo.iServiceMtm;
+		// If creating an entry, check against the parent owner ID, but modifying
+		// an entry, check against the entry owner ID.
+		TSecureId ownerId = aCreate ? aEntryInfo.iParentOwnerId : aEntryInfo.iEntryOwnerId;
+		// If creating an entry, the create flag depends on whether the entry
+		// is being created under an existing message.
+		TBool create = aCreate ? !aEntryInfo.iPartOfMessage : EFalse;
+		// Given all the info, go get the required capabilities.
+		GetCapsEntryCreateModifyL(aMsg, aEntryInfo.iTopFolder, mtm, ownerId, create, aIsLocal, caps);
+		}
+	else
+		{
+		// Client requires write device data to create/modify a service entry.
+		caps.SetEmpty();
+		caps.AddCapability(ECapabilityWriteDeviceData);
+		}
+	// Ok, have the required capabilities - check the client capabilities
+	TSecurityInfo clientInfo(aMsg);
+	if( !clientInfo.iCaps.HasCapabilities(caps) )
+		{
+		// Client missing capabilities - emit diagnostics and leave...
+		caps.Remove(clientInfo.iCaps);
+		User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, caps, aContextText));
+		}
+	}
+void CMsvServer::PoliceMoveEntriesL(const RMessage2& aMsg, const CMsvEntrySelection& aSelection, TMsvId aTarget, TMsvId aSource, TBool& aTargetIsLocal, TBool& aSourceIsLocal, const char* aContextText)
+	{
+	// To police a move entries request, the client must be able to modify both
+	// the target entry and the source entry. In the case of the target entry,
+	// the client is essentially creating entries under the target entry.
+	// Checking the target is the same as for a copy...
+#if (defined SYMBIAN_USER_PROMPT_SERVICE)
+	TRAPD(err, PoliceCopyEntriesL(aMsg, aSelection, aTarget, aTargetIsLocal, aContextText));
+	if(err != KErrPermissionDenied)
+		{
+		User::LeaveIfError(err);
+		}
+#else
+	PoliceCopyEntriesL(aMsg, aSelection, aTarget, aTargetIsLocal, aContextText);
+#endif
+	// Get the entry into the source entry...
+	CMsvIndexAdapter::TMsvServerEntryInfo sourceInfo;
+	User::LeaveIfError(iContext->IndexAdapter()->EntryTreeInfo(aSource, sourceInfo));
+	// Police the modification of source entry.
+	PoliceCreateModifyEntryL(aMsg, sourceInfo, EFalse, aSourceIsLocal, aContextText);
+#if (defined SYMBIAN_USER_PROMPT_SERVICE)
+	if(err != KErrNone && aSourceIsLocal && aTargetIsLocal)
+		{
+		User::LeaveIfError(err);
+		}
+#endif
+	}
+void CMsvServer::PoliceCopyEntriesL(const RMessage2& aMsg, const CMsvEntrySelection& aSelection, TMsvId aTarget, TBool& aTargetIsLocal, const char* aContextText)
+	{
+	// To police a copy entries request, the client must be able to modify the
+	// target entry - essentially it is creating entries under the target entry.
+	// Get the entry info for target entry...
+	CMsvIndexAdapter::TMsvServerEntryInfo targetInfo;
+	User::LeaveIfError(iContext->IndexAdapter()->EntryTreeInfo(aTarget, targetInfo));
+	// The policing strategy changes slightly if the target is the outbox or a
+	// folder under the outbox that is not part of a message.
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	TMsvId topFolderId = UnmaskTMsvId(targetInfo.iTopFolder);
+#else
+	TMsvId topFolderId = targetInfo.iTopFolder;
+#endif		  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	if( topFolderId == KMsvGlobalOutBoxIndexEntryId &&
+		targetInfo.iType == KUidMsvFolderEntry && !targetInfo.iPartOfMessage )
+		{
+		aTargetIsLocal = ETrue;
+		PoliceCopyMoveUnderOutboxL(aMsg, aSelection, aContextText);
+		}
+	else
+		{
+		// Police the modification of target entry. NOTE - check client can
+		// create entries under target.
+		PoliceCreateModifyEntryL(aMsg, targetInfo, ETrue, aTargetIsLocal, aContextText);
+		}
+	}
+void CMsvServer::PoliceCopyMoveUnderOutboxL(const RMessage2& aMsg, const CMsvEntrySelection& aSelection, const char* aContextText)
+	{
+	// The target is either the outbox itself or a folder under the outbox
+	// that is not part of message. In this case need to police the request
+	// against the capabilities specified by the MTM of each entry in the
+	// seleciton as well as read/write user data.
+	TCapabilitySet caps;
+	caps.SetEmpty();
+	TInt count = aSelection.Count();
+	for( TInt i=0; i<count; ++i )
+		{
+		TMsvEntry* entryPtr;
+		User::LeaveIfError(iContext->IndexAdapter()->GetEntry(aSelection.At(i), entryPtr));
+		// Get the capabilities specified by the MTM of the entry and add them
+		// to the total required set.
+		TCapabilitySet mtmCaps;
+		GetCapsForMtmL(entryPtr->iMtm, mtmCaps);
+		caps.Union(mtmCaps);
+		}
+	if( ProtectedFolder(KMsvGlobalOutBoxIndexEntryId) )
+		{
+		// The outbox is protected - need read/write user data capabilities.
+		caps.AddCapability(ECapabilityReadUserData);
+		caps.AddCapability(ECapabilityWriteUserData);
+		}
+	// Ok, have the required capabilities - check the client capabilities
+	TSecurityInfo clientInfo(aMsg);
+	if( !clientInfo.iCaps.HasCapabilities(caps) )
+		{
+		// Client missing capabilities - emit diagnostics and leave...
+		caps.Remove(clientInfo.iCaps);
+		User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, caps, aContextText));
+		}
+	}
+void CMsvServer::PoliceMtmTransferCommandL(const RMessage2& aMsg, TUid aMtm, const char* aContextText)
+	{
+	// To access the functionality of a server MTM, a client is required to be
+	// trusted with read and write user data as well as the capabilities
+	// specified by the server MTM.
+	TCapabilitySet caps;
+	GetMtmRequiredCapabilitiesL(aMtm, caps);
+	caps.AddCapability(ECapabilityReadUserData);
+	caps.AddCapability(ECapabilityWriteUserData);
+	// Ok, have the required capabilities - check the client capabilities
+	TSecurityInfo clientInfo(aMsg);
+	if( !clientInfo.iCaps.HasCapabilities(caps) )
+		{
+		// Client missing capabilities - emit diagnostics and leave...
+		caps.Remove(clientInfo.iCaps);
+		User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, caps, aContextText));
+		}
+	}
+void CMsvServer::PoliceStopServiceL(const RMessage2& aMsg, TUid aMtm, const char* aContextText)
+	{
+	// To stop a service, a client is required to be trusted with the capabilities
+	// specified by the server MTM.
+	TCapabilitySet caps;
+	GetMtmRequiredCapabilitiesL(aMtm, caps);
+	// Ok, have the required capabilities - check the client capabilities
+	TSecurityInfo clientInfo(aMsg);
+	if( !clientInfo.iCaps.HasCapabilities(caps) )
+		{
+		// Client missing capabilities - emit diagnostics and leave...
+		caps.Remove(clientInfo.iCaps);
+		User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, caps, aContextText));
+		}
+	}
+TBool CMsvServer::ProtectedFolder(TMsvId aFolder) const
+	{
+	TInt index = iProtectedFolders.Count();
+	while( index-- > 0 )
+		{
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+		if( UnmaskTMsvId(aFolder) == iProtectedFolders[index] )
+#else
+		if( aFolder == iProtectedFolders[index] )
+#endif
+			{
+			return ETrue;
+			}
+		}
+	return EFalse;
+	}
+TBool CMsvServer::ProtectedRemoteServices() const
+	{
+	return iRemoteServicesProtected;
+	}
+void CMsvServer::GetCapsEntryCreateModifyL(const RMessage2& aMsg, TMsvId aFolder, TUid aMtm, TSecureId aOwnerId, TBool aCreateEntry, TBool aLocal, TCapabilitySet& aCaps)
+	{
+	// Checks what capabilities are required to create/modify an entry under
+	// the local for a given type of MTM under the specified folder or under a
+	// remote service of given type of MTM.
+	//
+	// 1. Protected	 - read/write user data.
+	// 2. Unprotected   - for creating an entry or modifying an entry that is
+	// owned by the client, no capabilities are required, but if modifying an
+	// entry not owned by the client then read/write user data is required.
+	//
+	// Additional capabilities required whether entry under local service or a
+	// remote service -
+	// 1. Local service - if the entry is under the outbox then the capabilities
+	// specified by the MTM are required.
+	// 2  Remote service - the capabilities specified by the MTM of the remote
+	// entry are required.
+	aCaps.SetEmpty();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	if( !aLocal || UnmaskTMsvId(aFolder) == KMsvGlobalOutBoxIndexEntryId )
+#else
+	if( !aLocal || aFolder == KMsvGlobalOutBoxIndexEntryId )
+#endif
+		{
+		__ASSERT_DEBUG( aMtm != KUidMsvNullEntry, User::Invariant() );
+		if( aMtm == KUidMsvNullEntry )
+			User::Leave(KErrNotSupported);
+		// Entry being created/modified under the outbox or under a remote service
+		// - need the capabilities specified by the MTM.
+		GetCapsForMtmL(aMtm, aCaps);
+		}
+	if( !aLocal && ProtectedRemoteServices() ||
+		ProtectedFolder(aFolder) || (!aCreateEntry && aMsg.SecureId()!=aOwnerId) )
+		{
+		// An entry being created/modified under a protected folder or an entry
+		// that is not owned by the client and under an unprotected folder is
+		// being modified - need read/write user data capabilities.
+		//
+		// NOTE - the remote servive is considered protected if the Outbox is
+		// protected.
+		aCaps.AddCapability(ECapabilityReadUserData);
+		aCaps.AddCapability(ECapabilityWriteUserData);
+		}
+	}
+void CMsvServer::GetCapsForMtmL(TUid aMtm, TCapabilitySet& aCaps)
+	{
+	// Entry being created/modified under the outbox or under a remote service
+	// - need the capabilities specified by the MTM. Check the following
+	// 1. MTM is present - if not then by specify the default capabilties of
+	// Network Services and Local Services.
+	// 2. MTM is not the local service MTM - query the capabilities from the
+	// MTM registry.
+	// 3. MTM is the local service MTM - no added capabilities required.
+	if( aMtm != KUidMsvLocalServiceMtm )
+		{
+		if( !iServerMtmReg->IsPresent(aMtm) )
+			{
+			// The MTM is not present - default to Network Services and Local
+			// Services.
+			aCaps.SetEmpty();
+			aCaps.AddCapability(ECapabilityNetworkServices);
+			aCaps.AddCapability(ECapabilityLocalServices);
+			}
+		else
+			{
+			// The MTM is present and not the local service MTM - query the MTM
+			// registry for the required capabilities.
+			GetMtmRequiredCapabilitiesL(aMtm, aCaps);
+			}
+		}
+	}
+void CMsvServer::NotifyChanged(TMsvServerChangeNotificationType aChangeType, const CMsvEntrySelection& aSelection, TInt aParameter1, TInt aParameter2)
+	{
+	TMsvPackedChangeNotification package(iChange);
+	TInt finish=0;
+	do
+		{
+		TInt start=finish;
+		finish = Min(finish + TMsvPackedChangeNotification::KMsvPackedChangeLimit, aSelection.Count());
+		package.Pack(aChangeType, aSelection, aParameter1, aParameter2, start, finish-1);
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+		iNotification = aChangeType;
+#endif
+		DoNotify(aChangeType);
+		}
+	while (finish < aSelection.Count());
+	}
+void CMsvServer::NotifyChanged(TMsvServerChangeNotificationType aChangeType, TMsvId aId, TInt aParameter1, TInt aParameter2)
+	{
+	TMsvPackedChangeNotification package(iChange);
+	package.Pack(aChangeType, aId, aParameter1, aParameter2);
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = aChangeType;
+#endif
+	DoNotify(aChangeType);
+	}
+void CMsvServer::NotifyChanged(TMsvServerChangeNotificationType aChangeType, TUid aMtmTypeUid)
+	{
+	TMsvPackedChangeNotification package(iChange);
+	package.Pack(aChangeType, 0, aMtmTypeUid.iUid, 0);
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = aChangeType;
+#endif
+	DoNotify(aChangeType);
+	}
+void CMsvServer::QueueNotifyChanged(TMsvServerChangeNotificationType aChangeType)
+	{
+	TMsvPackedChangeNotification package(iChange);
+	package.Pack(aChangeType, 0, 0, 0);
+#if (defined SYMBIAN_MESSAGESTORE_UNIT_TESTCODE)
+	iNotification = aChangeType;
+#endif
+	DoNotify(aChangeType,ETrue);
+	}
+void CMsvServer::DoNotify(TMsvServerChangeNotificationType aChangeType,TBool aQueue)
+//
+// pass the information to each session
+//
+	{
+	iSessionIter.SetToFirst();
+	CMsvServerSession* ses = (CMsvServerSession*)&(*iSessionIter++);
+	while (ses!=NULL)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Notifying session, process %S"), &ses->ProcessName());
+#endif
+		// will only leave if the write to the client fails - so no problem ignoring
+		// the leave as the client will have been panic'd anyway
+		if(ses->ReceiveEntryEvents() ||
+			(aChangeType!=EMsvEntriesCreated &&
+			 aChangeType!=EMsvEntriesChanged &&
+			 aChangeType!=EMsvEntriesDeleted &&
+			 aChangeType!=EMsvEntriesMoved))
+			{
+			TRAP_IGNORE(ses->NotifyChangedL(iChange, aQueue));
+			}
+		ses = (CMsvServerSession*)&(*(iSessionIter++));
+		}
+	}
+TInt CMsvServer::GetEntryName(TMsvId aId, TDes& aFileName, TBool aFolderRequired)
+//
+// Construct the entry filename
+//
+	{
+	return GetEntryName(*iContext, aId, aFileName, aFolderRequired);
+	}
+TInt CMsvServer::GetEntryName(const CMsvIndexContext& aContext, TMsvId aId, TDes& aFileName, TBool aFolderRequired)
+//
+// Construct the entry filename with the given context
+//
+	{
+	// set up the basic path
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	aContext.MessageFolder(GetDriveId(aId), aFileName);
+#else
+	aFileName = aContext.MessageFolder();
+#endif		  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	TInt error=KErrNone;
+	TMsvId service=KMsvRootIndexEntryId;
+	if (aId!=KMsvRootIndexEntryId)
+		{
+		error = aContext.IndexAdapter()->OwningService(aId, service);
+		}
+	if (error==KErrNone)
+		MsvUtils::ConstructEntryName(service, aId, aFileName, (aFolderRequired ? MsvUtils::EFolder : MsvUtils::EStore));
+	return error;
+	}
+TInt CMsvServer::GetAndMakeFileDirectory(TMsvId aId, TDes& aDirectory)
+//
+// Constructs the name of the directory for files associated with the entry id,
+// and makes the directory if it doesn't exist
+//
+	{
+	TInt error = GetEntryName(aId, aDirectory, ETrue);
+	if (error==KErrNone)
+		error = iFs.MkDirAll(aDirectory);
+	return (error==KErrAlreadyExists ? KErrNone : error);
+	}
+TInt CMsvServer::GetFileDirectoryListing(TMsvId aId, TDes& aDirectory, CDir*& aDir)
+//
+//
+//
+	{
+	TInt error = GetEntryName(aId, aDirectory, ETrue);
+	if (error==KErrNone)
+		error =  iFs.GetDir(aDirectory, KEntryAttNormal, ESortNone, aDir);
+	return error;
+	}
+TInt CMsvServer::AddEntry(TMsvEntry& aEntry, TSecureId aOwnerId, TBool aAutoAssignId, TBool aBulk)
+	{
+#if (!defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	TDriveUnit defaultDrive(iSystemDrive);
+	// Don't attempt to store the message if the Message Store is being copied
+	// from the internal disk to the MMC
+	if (iStartupState == EMsvMediaUnavailable)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("CMsvServer::AddEntry - Media is unavailable"));
+#endif
+		TInt currentDrive = 0;
+		TRAPD(err, currentDrive = MessageServer::CurrentDriveL(iFs));
+		if (err != KErrNone)
+			{
+			return err;
+			}
+		if (currentDrive == defaultDrive)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Msg store Unavailable, sending KErrNotReady response"));
+#endif
+			return KErrNotReady;
+			}
+		}
+	// If we're trying to add something to the Inbox and the disk containing the
+	// Message Store is missing, change drive to internal disk
+	TInt err = iContext->IndexAdapter()->ErrorState();
+	// Assuming the current drive will always be available.
+	if (aEntry.iParentId == KMsvGlobalInBoxIndexEntryId && ( err != KErrNone || iStartupState == EMsvMediaUnavailable ) && !iNewContext)
+		{
+		if(err !=KMsvIndexRestore &&
+			err !=KMsvIndexBackup)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Automatically changing drive to %d"), TInt(defaultDrive));
+#endif
+			ChangeDrive(TInt(defaultDrive), NULL); // Ignore error?
+			}
+		}
+#endif	  // #if (!defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	return AddEntry(iContext, aEntry, aOwnerId, aAutoAssignId, aBulk);
+	}
+TInt CMsvServer::AddEntry(CMsvIndexContext* const& aContext, TMsvEntry& aEntry, TSecureId aOwnerId, TBool aAutoAssignId, TBool aBulk)
+//
+// Add a new entry to the Message Store
+// Uses the given context
+// If aBulk is ETrue,
+//	 add entry to bulk selection and update count
+//	 based on count, decide whether to commit entry and generate notification
+//
+	{
+	// Return if the message store is not currently available
+	TInt err = KErrNone;
+	err = aContext->IndexAdapter()->ErrorState();
+	if (err != KErrNone)
+		return err;
+	// get a unique id for the entry
+	if (aAutoAssignId)
+		{
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+		aEntry.SetId(aContext->IndexAdapter()->NextId(GetDriveId(aEntry.Parent())));
+#else
+		aEntry.SetId(aContext->IndexAdapter()->NextId());
+#endif
+		}
+	TInt error = KErrNone;
+	if (aBulk)
+		{
+		TRAP(error, iBulkCreationSelection->AppendL(aEntry.Id()));
+		}
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Adding entry with id %x"), aEntry.Id());
+#endif
+	TFileName fileName;
+	// create the path for a service
+	if (aEntry.iType==KUidMsvServiceEntry)
+		{
+		fileName = aContext->MessageFolder();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+		MsvUtils::ConstructEntryName(UnmaskTMsvId(aEntry.Id()), aEntry.Id(), fileName, MsvUtils::EPath);
+#else
+		MsvUtils::ConstructEntryName(aEntry.Id(), aEntry.Id(), fileName, MsvUtils::EPath);
+#endif
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Creating path for service %S"), &fileName);
+#endif
+		error = iFs.MkDir(fileName);
+		}
+	// add the entry to the index
+	if (error==KErrNone || error==KErrAlreadyExists)
+		{
+		if (!aBulk)
+			{
+			error = aContext->IndexAdapter()->AddEntry(aEntry, aOwnerId, EFalse);
+			// We may also have a bulk procedure occuring at this time.
+			// This call to AddEntry will commit those entries to the index file,
+			// so we should let any observers know about the bulk entries now.
+			// With the parallel message processing, we will have to forego some of
+			// the efficiencies of bulk processing.
+			if ((iBulkCreationSelection->Count() != 0) || (iBulkChangeSelection->Count() != 0))
+				{
+				TRAP(error, NotifyChangedBulkL());
+				}
+			}
+		else
+			{
+			if (iBulkCreationSelection->Count() == KBulkCommitInterval)
+				{
+				error = aContext->IndexAdapter()->AddEntry(aEntry, aOwnerId, EFalse);
+				// We have done a bulk commit to the index file.
+				// Let observers know about the entries
+				TRAP(error, NotifyChangedBulkL());
+				}
+			else
+				{
+				error = aContext->IndexAdapter()->AddEntryNoCommit(aEntry, aOwnerId, EFalse);
+				}
+			}
+		if (error==KErrNone)
+			{
+			}
+		// Delete the service folder if we created one
+		else if ((fileName.Length() > 0) && error!=KErrAlreadyExists)
+			iFs.RmDir(fileName);
+		}
+	return error;
+	}
+TInt CMsvServer::ChangeEntry(const TMsvEntry& aEntry, TSecureId aOwnerId, TBool aForcedUpdate, TBool aBulk)
+//
+//
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Changing entry with id %x"), aEntry.Id());
+#endif
+	TInt error;
+	if (!aBulk)
+		{
+		error = iContext->IndexAdapter()->ChangeEntry(aEntry, aOwnerId, aForcedUpdate);
+		// We may also have a bulk procedure occuring at this time.
+		// This call to ChangeEntry will commit those entries to the index file,
+		// so we should let any observers know about the bulk entries now.
+		if ((iBulkCreationSelection->Count() != 0) || (iBulkChangeSelection->Count() != 0))
+			{
+			TRAP(error, NotifyChangedBulkL());
+			}
+		}
+	else
+		{
+		TRAP(error, iBulkChangeSelection->AppendL(aEntry.Id()));
+		if (error == KErrNone)
+			{
+			if (iBulkChangeSelection->Count() == KBulkCommitInterval)
+				{
+				error = iContext->IndexAdapter()->ChangeEntry(aEntry, aOwnerId, aForcedUpdate);
+				// We have done a bulk commit to the index file. Let observers know about the entries.
+				TRAP(error, NotifyChangedBulkL());
+				}
+			else
+				{
+				error = iContext->IndexAdapter()->ChangeEntryNoCommit(aEntry, aOwnerId, aForcedUpdate);
+				}
+			}
+		}
+	return error;
+	}
+TInt CMsvServer::CheckMtmStatus(TMsvId aServiceId, TBool& aRunning)
+//
+// Returns
+//  KErrNotFound if the mtm is not loaded
+//  >=0 if the mtm is loaded and this is the position in the queue array
+//  aRunning is true if an operation is currently running
+//
+	{
+	aRunning = EFalse;
+	TInt count=iMtmOperationQueueArray.Count();
+	while (count--)
+		{
+		// check if the service has a loaded mtm
+		if (iMtmOperationQueueArray.At(count)->ServiceId() == aServiceId)
+			{
+			aRunning = iMtmOperationQueueArray.At(count)->Count()!=0;
+			return count;
+			}
+		}
+	return KErrNotFound;
+	}
+#ifdef MSG_SERV_AUTO_CLOSE
+void CMsvServer::CheckAndClose()
+	{
+	// check if any session remaining are just observers - then shut down
+	iSessionIter.SetToFirst();
+	if(iBackup && iBackup->Locked()!=EFalse)
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Not closing sever because we have a backup lock to retake."));
+#endif
+		}
+	else if(iMailinitWaiter->IsActive())
+		{
+#ifndef _NO_SERVER_LOGGING_
+		Log(_L("Not closing sever because we are waiting for mailinit to finish"));
+#endif  //_NO_SERVER_LOGGING_
+		}
+	else if (iSessionIter == NULL)
+		{
+		if (iCloseServer)
+			{
+			CActiveScheduler::Stop();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+			MailinitFinished(KErrNone, iDriveList->CurrentDriveNumber());
+#else
+			MailinitFinished(KErrNone, (TDriveNumber) (TInt)(iContext->Config().iDrive));
+#endif
+			}
+		else
+			{
+			iCloseTimer->Cancel();
+			iCloseTimer->After(KMsvCloseTime);
+			}
+		}
+	else if (!iCloseServer)
+		{
+		TBool shouldClose=ETrue;
+		iSessionIter.SetToFirst();
+		CMsvServerSession* session = (CMsvServerSession*)&(*iSessionIter++);
+		while(session)
+			{
+			if (!session->IsAnObserver())
+				{
+				shouldClose=EFalse;
+				break;
+				}
+			session = (CMsvServerSession*)&(*iSessionIter++);
+			}
+		if (shouldClose)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Telling clients to close - CheckAndClose"));
+#endif
+			NotifyChanged(EMsvCloseSession, KMsvNullIndexEntryId);
+			iCloseServer=ETrue;
+			}
+		}
+	}
+#endif	  // MSG_SERV_AUTO_CLOSE
+void CMsvServer::ClosingSession(TInt aSessionId)
+//
+// Ensures that no mtm are left running when a session is closed
+// NOTE Cannot leave - called by CMsvServerSession d'tor
+//
+	{
+	TInt ii = iMtmOperationQueueArray.Count();
+	// check each queue
+	while (ii--)
+		{
+		// check if the session used this queue
+		CMsvMtmOperationQueue* queue = iMtmOperationQueueArray.At(ii);
+		TInt jj = queue->iSessionIdArray.Count();
+		while (jj--)
+			{
+			if (queue != NULL && queue->iSessionIdArray.At(jj)==aSessionId)
+				{
+				// the session used this queue - so remove the reference to it
+				queue->iSessionIdArray.Delete(jj);
+#if defined(_DEBUG)
+				// check all session operations have been removed
+				TInt kk = queue->Count();
+				while (kk--)
+					__ASSERT_DEBUG(queue->At(kk)->SessionId()!=aSessionId, PanicServer(EMsvOutstandingOperation));
+#endif
+				// check if anyone else is using the queue
+				if (queue->iSessionIdArray.Count()==0)
+					{
+					// remove the mtm and queue
+					delete queue;
+					queue = NULL;
+					iMtmOperationQueueArray.Delete(ii);
+					}
+				}
+			}
+		}
+	iSessionIter.SetToFirst();
+	iSessionIter++;
+	if (iSessionIter == NULL)
+		{
+		if (iCloseServer)
+			{
+			CActiveScheduler::Stop();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+			MailinitFinished(KErrNone, iDriveList->CurrentDriveNumber());
+#else
+			MailinitFinished(KErrNone, (TDriveNumber) (TInt)(iContext->Config().iDrive));
+#endif
+			}
+#ifdef MSG_SERV_AUTO_CLOSE
+		else
+			{
+			iCloseTimer->Cancel();
+			iCloseTimer->After(KMsvCloseTime);
+			}
+		}
+	else if (!iCloseServer)
+		{
+		// check if any session remaining are just observers - then shut down
+		TBool shouldClose=ETrue;
+		iSessionIter.SetToFirst();
+		CMsvServerSession* session = (CMsvServerSession*)&(*iSessionIter++);
+		while(session)
+			{
+			if (!session->IsAnObserver() && session->SessionId() != aSessionId)
+				{
+				shouldClose=EFalse;
+				break;
+				}
+			session = (CMsvServerSession*)&(*iSessionIter++);
+			}
+		if (shouldClose)
+			{
+#ifndef _NO_SERVER_LOGGING_
+			Log(_L("Telling clients to close - Closing session"));
+#endif
+			NotifyChanged(EMsvCloseSession, KMsvNullIndexEntryId);
+			iCloseServer=ETrue;
+			}
+#endif
+		}
+	}
+TBool CMsvServer::SessionIdInQueue(CMsvMtmOperationQueue& aQueue, TInt aSessionId) const
+//
+// Returns true if the session id is already in the queue session id array
+//
+	{
+	TInt count=aQueue.iSessionIdArray.Count();
+	while (count--)
+		{
+		if (aQueue.iSessionIdArray.At(count)==aSessionId)
+			return ETrue;
+		}
+	return EFalse;
+	}
+void CMsvServer::QueueOperationL(CMsvMtmOperation& aOperation, TInt aSessionId)
+//
+// Appends an operation to the correct mtm queue
+//
+	{
+	// append the operation on the right queue
+	TInt count=iMtmOperationQueueArray.Count();
+	while (count--)
+		{
+		if (iMtmOperationQueueArray.At(count)->ServiceId() == aOperation.ServiceId())
+			{
+			AddSessionIdToQueueL(*iMtmOperationQueueArray.At(count), aSessionId);
+			iMtmOperationQueueArray.At(count)->AppendL(&aOperation);
+			aOperation.SetState(EMsvOperationQueued);
+			}
+		}
+	__ASSERT_DEBUG(aOperation.State() == EMsvOperationQueued, PanicServer(EMsvOperationQueueNotFound1));
+	}
+void CMsvServer::StartOperationL(CMsvMtmOperation& aOperation, TInt aSessionId, const RMessage2 &aMessage, TBool hasCapability)
+//
+// Either starts an operation or queues it for later execution
+//
+	{
+	// check the mtm exists
+	if (!iServerMtmReg->IsPresent(aOperation.MtmUid()))
+		User::Leave(KErrNotFound);
+	// get the status of the service mtm
+	TBool opRunning;
+	TInt index = CheckMtmStatus(aOperation.ServiceId(), opRunning);
+	// if an operation is already running, queue this one
+	if (opRunning)
+		{
+#if (defined SYMBIAN_USER_PROMPT_SERVICE)
+		aOperation.SetCapability(hasCapability);
+#endif
+		QueueOperationL(aOperation, aSessionId);
+		return;
+		}
+	// create the new mtm if required
+	CMsvMtmOperationQueue* queue;
+	if (index==KErrNotFound)
+		{
+		queue = new(ELeave) CMsvMtmOperationQueue(aOperation.MtmUid(), aOperation.ServiceId());
+		CleanupStack::PushL(queue);
+		// load the mtm and assign to the queue
+		queue->iMtm = LoadMtmL(aOperation);
+		// append the operation to the queue
+		queue->AppendL(&aOperation);
+		iMtmOperationQueueArray.AppendL(queue);
+		CleanupStack::Pop(); // queue
+		}
+	else
+		{
+		queue = iMtmOperationQueueArray.At(index);
+		queue->AppendL(&aOperation);
+		}
+	AddSessionIdToQueueL(*queue, aSessionId);
+#if (defined SYMBIAN_USER_PROMPT_SERVICE)
+	RThread thread;
+	User::LeaveIfError(aMessage.Client(thread));
+	TThreadId threadId = thread.Id();
+	aOperation.SetThreadId(threadId);
+	thread.Close();
+#else
+	if(aMessage.IsNull()){} // To avoid compiler warnings
+#endif
+	// start the operation
+	aOperation.Start(*queue->iMtm, hasCapability);
+	aOperation.SetState(EMsvOperationRunning);
+	}
+CBaseServerMtm* CMsvServer::LoadMtmL(const CMsvMtmOperation& aOperation)
+//
+// Returns the server mtm instance required for the operation
+//
+	{
+	CBaseServerMtm* mtm = iServerMtmReg->NewServerMtmL(aOperation.MtmUid(), CMsvServerEntry::NewL(*this, aOperation.ServiceId()));
+	return mtm;
+	}
+#if defined(_DEBUG)
+void CMsvServer::OperationCompleted(TMsvId aServiceId, TMsvOp aOpId)
+#else
+void CMsvServer::OperationCompleted(TMsvId aServiceId, TMsvOp /*aOpId*/)
+#endif
+//
+// An operation has completed, so start the next operation if there is one or remove the Mtm
+//
+	{
+	// find the correct operation queue
+	CMsvMtmOperationQueue* queue=NULL;
+	TInt count=iMtmOperationQueueArray.Count();
+	while (count--)
+		{
+		if (iMtmOperationQueueArray.At(count)->ServiceId() == aServiceId)
+			{
+			queue = iMtmOperationQueueArray.At(count);
+			break;
+			}
+		}
+	__ASSERT_DEBUG(count>=0, PanicServer(EMsvOperationQueueNotFound2));
+	if ( queue != NULL )
+		{
+		__ASSERT_DEBUG(queue->At(0)->Id()==aOpId, PanicServer(EMsvWrongOperationCompletion));
+		// mark the operation as completed and remove from the queue
+		queue->At(0)->SetState(EMsvOperationCompleted);
+		queue->Delete(0);
+		// start the next operation
+		StartNextOperation(queue, count);
+		}
+	}
+TInt CMsvServer::OutstandingOperations()
+	{
+	TInt count = 0;
+	iSessionIter.SetToFirst();
+	CMsvServerSession* ses = (CMsvServerSession*)&(*iSessionIter++);
+	while (ses!=NULL)
+		{
+		count += ses->HaveOutstandingOperations();
+		ses = (CMsvServerSession*)&(*(iSessionIter++));
+		}
+	return count;
+	}
+void CMsvServer::OperationCancelled(const CMsvMtmOperation& aOperation)
+//
+// An operation has cancelled
+//
+	{
+	const TMsvId aServiceId = aOperation.ServiceId();
+	// find the correct operation queue
+	CMsvMtmOperationQueue* queue=NULL;
+	TInt qCount=iMtmOperationQueueArray.Count();
+	while (qCount--)
+		{
+		if (iMtmOperationQueueArray.At(qCount)->ServiceId() == aServiceId)
+			{
+			queue = iMtmOperationQueueArray.At(qCount);
+			break;
+			}
+		}
+	__ASSERT_DEBUG(qCount>=0, PanicServer(EMsvOperationQueueNotFound3));
+	// find the correct operation
+	if (queue != NULL)
+		{
+		TInt oCount=queue->Count();
+		while (oCount--)
+			{
+			if (queue->At(oCount) == &aOperation)
+				break;
+			}
+		__ASSERT_DEBUG(oCount>=0, PanicServer(EMsvOperationNotFound));
+		__ASSERT_DEBUG(queue->At(oCount)->State()==EMsvOperationQueued, PanicServer(EMsvCancelledNonQueueOp));
+		if (oCount>=0)
+			queue->Delete(oCount);
+		}
+	}
+void CMsvServer::StartNextOperation(CMsvMtmOperationQueue* aQueue, TInt aQueueIndex)
+//
+//
+//
+	{
+	// if there are no more operations
+	if (aQueue->Count()==0)
+		{
+		if (!aQueue->iMtm->CommandExpected())
+			{
+			// the mtm is no longer needed
+			delete iMtmOperationQueueArray.At(aQueueIndex);
+			iMtmOperationQueueArray.Delete(aQueueIndex);
+			}
+		return;
+		}
+	// if the Mtm cannot accept multiple commands, create a new one
+	if (!aQueue->iMtm->CommandExpected())
+		{
+		delete aQueue->iMtm;
+		aQueue->iMtm=NULL;
+		TRAPD(leave, {aQueue->iMtm = LoadMtmL(*aQueue->At(0));});
+		if (leave)
+			{
+			// fail all queued operations
+			TInt count=aQueue->Count();
+			while (count--)
+				{
+				aQueue->At(count)->Failed(leave);
+				aQueue->Delete(count);
+				}
+			// delete the mtm queue
+			delete iMtmOperationQueueArray.At(aQueueIndex);
+			iMtmOperationQueueArray.Delete(aQueueIndex);
+			return;
+			}
+		}
+#if (defined SYMBIAN_USER_PROMPT_SERVICE)
+	aQueue->At(0)->Start(*aQueue->iMtm, aQueue->At(0)->Capability());
+#else
+	aQueue->At(0)->Start(*aQueue->iMtm, EFalse);
+#endif
+	aQueue->At(0)->SetState(EMsvOperationRunning);
+	}
+TInt CMsvServer::FillRegisteredMtmDllArray(TUid aMtmDllTypeUid,CRegisteredMtmDllArray& aRegisteredMtmDllArray)
+	{
+	return iMtmRegControl->FillRegisteredMtmDllArray(aMtmDllTypeUid,aRegisteredMtmDllArray);
+	}
+TInt CMsvServer::InstallMtmGroup(const TDesC& aFullName,TUid& aMtmTypeUid)
+	{
+	TInt error=iMtmRegControl->InstallMtmGroup(aFullName,aMtmTypeUid);
+	return error;
+	}
+TInt CMsvServer::DeInstallMtmGroup(const TDesC& aFullName,TUid& aMtmTypeUid)
+	{
+	TInt error=iMtmRegControl->FullNameToMtmTypeUid(aFullName,aMtmTypeUid);
+	if (error==KErrNone)
+		{
+		TBool isinuse=iMtmRegControl->IsInUse(aMtmTypeUid);
+		if (!isinuse)
+			{
+			iSessionIter.SetToFirst();
+			CMsvServerSession* ses = (CMsvServerSession*)&(*iSessionIter++);
+			while ((ses!=NULL) && !isinuse)
+				{
+				isinuse=ses->IsInUse(aMtmTypeUid);
+				ses = (CMsvServerSession*)&(*(iSessionIter++));
+				}
+			}
+		if (isinuse)
+			error=KErrInUse;
+		}
+	if (error==KErrNone)
+		error=iMtmRegControl->DeInstallMtmGroup(aMtmTypeUid);
+	return error;
+	}
+CMtmGroupData* CMsvServer::GetMtmGroupDataL(TUid aMtmTypeUid) const
+	{
+	return iMtmRegControl->GetMtmGroupDataL(aMtmTypeUid);
+	}
+void CMsvServer::GetMtmRequiredCapabilitiesL(TUid aMtmTypeUid, TCapabilitySet& aCaps) const
+	{
+	aCaps=iMtmRegControl->GetMtmGroupDataReferenceL(aMtmTypeUid).GetMtmRequiredCapabilities();
+	}
+void CMsvServer::StopServiceL(const RMessage2& aMessage)
+//
+// Stops a service by cancelling all operations and deleting the server MTM
+//
+	{
+	TMsvId serviceId = aMessage.Int0();
+	TBool active;
+	TInt index = CheckMtmStatus(serviceId, active);
+	// service MTM is not loaded
+	if (index==KErrNotFound)
+		{
+		aMessage.Complete(KErrNotFound);
+		return;
+		}
+	// The service MTM is loaded - police if the client can stop it.
+	PoliceStopServiceL(aMessage, iMtmOperationQueueArray.At(index)->MtmUid(), __PLATSEC_DIAGNOSTIC_STRING("Checked by CMsvServer::StopService"));
+	// get all sessions to cancel/stop the operations
+	iSessionIter.SetToFirst();
+	CMsvServerSession* ses = (CMsvServerSession*)&(*iSessionIter++);
+	while (ses!=NULL)
+		{
+		ses->StopOperations(serviceId);
+		ses = (CMsvServerSession*)&(*(iSessionIter++));
+		}
+	// check if the server MTM has been persisted
+	index = CheckMtmStatus(serviceId, active);
+	// remove the queue - irrespective of request of the Server MTM
+	if (index!=KErrNotFound)
+		{
+		delete iMtmOperationQueueArray.At(index);
+		iMtmOperationQueueArray.Delete(index);
+		}
+	aMessage.Complete(KErrNone);
+	}
+void CMsvServer::ServiceActive(const RMessage2& aMessage)
+//
+// Completes ETrue if the server MTM is running an operation
+//
+	{
+	TMsvId serviceId = aMessage.Int0();
+	TBool active;
+	CheckMtmStatus(serviceId, active); // error ignored as "active" is always set correctly
+	aMessage.Complete(active);
+	}
+const TDesC8& CMsvServer::ServiceProgressL(TMsvId aServcieId)
+//
+// Returns the progress from the server MTM
+//
+	{
+	TBool active;
+	TInt index = CheckMtmStatus(aServcieId, active);
+	// service MTM is not loaded
+	if (index==KErrNotFound)
+		User::Leave(KErrNotFound);
+	// get the progress from the server MTM
+	CMsvMtmOperationQueue* queue = iMtmOperationQueueArray.At(index);
+	return queue->iMtm->Progress();
+	}
+void CMsvServer::AttemptDelayedUpdating()
+//
+//
+//
+	{
+	if (iContext)
+		{
+		if(iContext->Initialized()==EFalse)
+			{
+			iContext->Initialized(ETrue);
+			TRAP_IGNORE({iContext->LocalizeStandardFoldersL();
+							SuspendSendingMessagesL();});
+			}
+		if (iContext->Remove().Count())
+			RemoveEntry(KMsvNullIndexEntryId);
+		if (iContext->Update().Count() && !iDelayTimer->IsActive())
+			iDelayTimer->After(KMsvDelayTime);
+		}
+	}
+// this cleans up messages left sending when the machine was
+// rebooted, as they would otherwise be displayed to the user
+// as sending when they aren't
+// A better fix would be to allow the server mtms to clean up
+// on startup, then they could attempt to continue sending the
+// message.
+// This also only copes with mtms that either use the KMsvSendStateSending and KMsvSendStateWaiting
+// or the fax mtm because I know about those.
+// copied from fxut.h included so that we can set things with fax sending states
+// to suspended on message server start
+// horrible but we don't want to have to have fax available to build the message
+// server.
+enum TFaxSendingState
+	{
+	EFaxSendingStateCalling = (KMsvSendStateLast + 1),
+		EFaxSendingStateNegotiating,
+		EFaxSendingStatePreparing
+	};
+// can't find a header that defines this (it is defined in FXSENDOP.CPP
+// and FAXC.CPP but I don't want to move it into a header now.
+const TUid KUidMsgTypeFax = {0x1000102B};
+void CMsvServer::SuspendSendingMessagesL()
+	{
+	CMsvEntrySelection *selection=new(ELeave)CMsvEntrySelection;
+	CleanupStack::PushL(selection);
+	CMsvEntryFilter *filter=CMsvEntryFilter::NewLC();
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+		User::LeaveIfError(iContext->IndexAdapter()->GetChildrenIdAll(KMsvGlobalOutBoxIndexEntryId,*filter,*selection));
+#else
+		User::LeaveIfError(iContext->IndexAdapter()->GetChildrenId(KMsvGlobalOutBoxIndexEntryId,*filter,*selection));
+#endif
+	TInt count=selection->Count();
+	while(count--)
+		{
+		TMsvEntry *entry;
+		TInt err = KErrNone;
+		err = iContext->IndexAdapter()->GetEntry(selection->At(count),entry);
+		if(err == KErrNone)
+			{
+			const TUint sendingState=entry->SendingState();
+			if(sendingState==KMsvSendStateSending ||
+			   sendingState==KMsvSendStateWaiting ||
+				(entry->iMtm==KUidMsgTypeFax && (sendingState== EFaxSendingStateCalling ||
+												 sendingState== EFaxSendingStateNegotiating ||
+												 sendingState== EFaxSendingStatePreparing)))
+				{
+				entry->SetSendingState(KMsvSendStateSuspended);
+				// ignore error as we can't report it and want to try fixing
+				// the next entry in the list.
+				iContext->IndexAdapter()->ChangeEntry(*entry, KMsvServerId, EFalse);
+				}
+			}
+		}
+	CleanupStack::PopAndDestroy(2,selection); //filter, selection
+	}
+void CMsvServer::RemoveEntry(TMsvId aId)
+//
+// Removes the removed entries from the index. Client were not interested in result.
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	TRAPD(leave, DoRemoveEntriesL(aId));
+	Log(_L("Remove entry %x, error %d, list size %d"), aId, leave, iContext->Remove().Count());
+#else
+	TRAP_IGNORE(DoRemoveEntriesL(aId));
+#endif
+	// start the timer if entries are stil requiring removal and the timer isn't running
+	if (iContext->Remove().Count() && !iDelayTimer->IsActive())
+		iDelayTimer->After(KMsvDelayTime);
+	}
+void CMsvServer::DoRemoveEntriesL(TMsvId aId)
+//
+// Deletes the removed entries from the index. Client were not interested in result.
+//
+	{
+	if (aId!=KMsvNullIndexEntryId)
+		{
+		iContext->Remove().AppendL(aId);
+		iContext->Remove().SetReserveL(iContext->Remove().Count()+1);
+		}
+	else if (iContext->Remove().Count()==0)
+		return;
+	CMsvEntrySelection* deletedSelection = new(ELeave) CMsvEntrySelection;
+	CleanupStack::PushL(deletedSelection);
+	CMsvEntrySelection* movedSelection = new(ELeave) CMsvEntrySelection;
+	CleanupStack::PushL(movedSelection);
+	CMsvDelete* deleteEntry = CMsvDelete::NewL(*this);
+	CleanupStack::PushL(deleteEntry);
+	TInt count=iContext->Remove().Count();
+	while (count--)
+		{
+		// find the parent
+		TMsvEntry* entry;
+		TInt error = KErrNone;
+		error = iContext->IndexAdapter()->GetEntry(iContext->Remove().At(count), entry);
+		if (error)
+			continue;
+		// delete the entry
+		TMsvId parent = entry->Parent();
+		// Note: It should be possible to get rid of this trap - but this is safer for now
+		TRAP(error, deleteEntry->StartL(entry->Id(), *deletedSelection, *movedSelection));
+		if (error == KErrNone)
+			{
+			// notify client of a deletion
+			iContext->Remove().Delete(count);
+			if (deletedSelection->Count())
+				NotifyChanged(EMsvEntriesDeleted, *deletedSelection, parent);
+			if (movedSelection->Count())
+				{
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+				NotifyChanged(EMsvEntriesMoved, *movedSelection, MaskTMsvId(GetDriveId(aId), KMsvDeletedEntryFolderEntryId), parent);
+#else
+				NotifyChanged(EMsvEntriesMoved, *movedSelection, KMsvDeletedEntryFolderEntryId, parent);
+#endif
+				}
+			}
+		deletedSelection->Reset();
+		movedSelection->Reset();
+		}
+	CleanupStack::PopAndDestroy(3); // moveSelection, deletedSelection, deleteentry
+	}
+void CMsvServer::CloseServer(const RMessage2& aMessage)
+//
+// Tells alls sessions to close, and when all are closed the server is shut down immediately
+//
+	{
+#ifndef _NO_SERVER_LOGGING_
+	Log(_L("Telling clients to close - close server function"));
+#endif
+	aMessage.Complete(KErrNone);
+	NotifyChanged(EMsvCloseSession, KMsvNullIndexEntryId);
+	iCloseServer=ETrue;
+	}
+TInt CMsvServer::CheckEntries(const CMsvEntrySelection& aEntries, TInt aStartIndex, TInt aEndIndex)
+//
+// Checks that all entries in the selection can be deleted, copied, moved etc
+//
+	{
+	for (TInt index=aStartIndex; index<=aEndIndex; index++)
+		{
+		TMsvId id = aEntries.At(index);
+		TBool locked;
+		TInt error = KErrNone;
+		error = iContext->IndexAdapter()->IsEntryOrStoreLocked(id, locked);
+		if (error)
+			return error;
+		if (locked)
+			return KErrAccessDenied;
+		// get the entry
+		TMsvEntry* entry;
+		iContext->IndexAdapter()->GetEntry(id, entry); // error ignored, as will not fail
+		// check the store
+		TFileName filename;
+		GetEntryName(id, filename, EFalse);
+		TBool open;
+		error = iFs.IsFileOpen(filename, open);
+		if (error)
+			{
+			if (error!=KErrNotFound && error!=KErrPathNotFound)
+				return error;
+			}
+		else if (open)
+			return KErrInUse;
+		// check any files
+		CDir* dir;
+		error = GetFileDirectoryListing(id, filename, dir);
+		if (error == KErrNone)
+			{
+			error = iFs.SetSessionPath(filename);
+			if (error==KErrNone)
+				{
+				TInt fCount = dir->Count();
+				while (fCount--)
+					{
+					TBool open;
+					error = iFs.IsFileOpen((*dir)[fCount].iName, open);
+					if (error)
+						{
+						if (error!=KErrNotFound && error!=KErrPathNotFound)
+							{
+							delete dir;
+							return error;
+							}
+						}
+					else if (open)
+						{
+						delete dir;
+						return KErrInUse;
+						}
+					}
+				}
+			delete dir;
+			if (error)
+				return error;
+			}
+		else if (error != KErrPathNotFound)
+			return error;
+		}
+	return KErrNone;
+	}
+#ifndef _NO_SERVER_LOGGING_
+void CMsvServer::CreateLogL()
+	{
+	// Connect to flogger
+	if (iLog.Connect() == KErrNone)
+		{
+		iLog.CreateLog(_L("msgs"), _L("server.txt"), EFileLoggingModeOverwrite);
+		iLog.SetDateAndTime(EFalse, ETrue);
+		TTime date;
+		date.UniversalTime();
+		TBuf<32> dateString;
+		date.FormatL(dateString,(_L("%D%M%Y%/0%1%/1%2%/2%3%/3")));
+		TPtrC ver(MessageServer::Version().Name());
+		Log(_L("Started message server, date %S, version %S"), &dateString, &ver);
+		}
+	}
+void CMsvServer::Log(TRefByValue<const TDesC> aFmt, ...)
+	{
+	if (!iLog.LogValid())
+		return;
+	VA_LIST list;
+	VA_START(list, aFmt);
+	TBuf<256> buf;
+	buf.FormatList(aFmt, list);
+	// Write to log
+	iLog.Write(buf);
+#ifndef _NO_SERVER_LOGGING_SERIAL_
+	// Write to serial
+	_LIT(KFormatSerial, "MSGS: %S");
+	RDebug::Print(KFormatSerial, &buf);
+#endif
+	}
+#endif	  // #ifndef _NO_SERVER_LOGGING_
+void CMsvServer::SetFailure(TMsvFailure aType, TInt aArg1, TInt aArg2, TInt)
+	{
+	switch (aType)
+		{
+		case EHeapFailure:
+			User::__DbgSetAllocFail(RHeap::EUser, (RHeap::TAllocFail)aArg1, aArg2);
+			break;
+		case EDiskFailure:
+#if (!defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+			iNotify->SetDiskMissing(aArg1);
+			iNotify->SetWrongId(aArg2);
+#endif
+			break;
+		}
+	}
+void CMsvServer::SetStartupState(TMsvServerChangeNotificationType aState)
+	{
+	iStartupState=aState;
+	}
+const TDriveUnit &CMsvServer::Drive() const
+	{
+	return(iIndexDrive);
+	}
+void CMsvServer::MailinitFinished(TInt aError, TDriveNumber aDriveNum)
+	{
+	// if mailinit exited sucessfully try and delete the
+	// flag file.
+	if(aError==KErrNone)
+		{
+		// remove the mailinit flag file, ignore errors it will just mean
+		// we run mailinit next time the server starts and we require that
+		// mailinit.exe handles this gracefully.
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+		if(iFs.SetSessionToPrivate(aDriveNum) == KErrNone)
+#else
+		// Just to ignore the warning.
+		aDriveNum = aDriveNum;
+		if(iFs.SetSessionToPrivate(iContext->Config().iDrive) == KErrNone)
+#endif	  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+			{
+			iFs.Delete(KMsvStoreInitFileName);
+			}
+		}
+#ifdef MSG_SERV_AUTO_CLOSE
+	// we may have delayed shutdown to allow mailinit to finish, so
+	// let the server shutdown if it wants to.
+	CheckAndClose();
+#endif
+	}
+TMsvServerStoreManager& CMsvServer::ServerStoreManager()
+	{
+	return iServerStoreManager;
+	}
+void CMsvServer::GetNonOperationMtmDataL(TMsvId aServiceId, TNonOperationMtmDataType aMtmDataType, TPtrC8& aResultBuffer)
+	{
+	TBool active;
+	TInt index = CheckMtmStatus(aServiceId, active);
+	if (index == KErrNotFound)
+		{
+		User::Leave(KErrNotFound);
+		}
+	User::LeaveIfError(iMtmOperationQueueArray.At(index)->iMtm->GetNonOperationMtmData(aMtmDataType, aResultBuffer));
+	}
+/**
+Checks client capabilty for readuserdata for performing search sort operation
+*/
+void CMsvServer::PoliceSearchSortQueryReadRequestL(const RMessage2& aMsg, const char* aContextText)
+	{
+	// The client can read the entry under following circumstances.
+	// 1. The client has Read User Data capability.
+	// 2. The client does not have Read User Data but owns the entry.
+	// First check if the client is trusted with Read User Data.
+	if( !aMsg.HasCapability(ECapabilityReadUserData) )
+		{
+		// Client not trusted with Read User data
+			{
+			// Client missing capabilities - emit diagnostics and leave...
+			User::LeaveIfError(PlatSec::CapabilityCheckFail(aMsg, ECapabilityReadUserData, aContextText));
+			}
+		}
+	}
+//**********************************
+// CMsvTimer
+//**********************************
+CMsvTimer::CMsvTimer(CMsvServer& aServer, TBool aCloseServer)
+: CTimer(EPriorityLow), iServer(aServer), iCloseServer(aCloseServer)
+	{}
+void CMsvTimer::RunL()
+	{
+	iServer.AttemptDelayedUpdating();
+	if (iCloseServer)
+		{
+		CActiveScheduler::Stop();
+		}
+	}
+CMsvTimer* CMsvTimer::NewL(CMsvServer& aServer, TBool aCloseServer)
+	{
+	CMsvTimer* self = new(ELeave) CMsvTimer(aServer, aCloseServer);
+	CleanupStack::PushL(self);
+	self->ConstructL(); // CTimer
+	CActiveScheduler::Add(self);
+	CleanupStack::Pop();
+	return self;
+	}
+//**********************************
+// MessageServer
+//**********************************
+EXPORT_C TVersion MessageServer::Version()
+/** Returns the Message Server version number.
+@return Message server version number */
+	{
+	return TVersion(KMsvServerMajorVersionNumber,KMsvServerMinorVersionNumber,KMsvServerBuildVersionNumber);
+	}
+EXPORT_C TMsvId MessageServer::NullUidValue()
+/** Returns the predefined message entry ID null value.
+@return Message entry ID null value */
+	{
+	return KMsvNullIndexEntryId;
+	}
+EXPORT_C TBool MessageServer::DriveContainsStore(RFs& aFs, TInt aDrive)
+/** Checks if the specified drive has a Message Server index on it.
+@capability AllFiles If not within the message server process
+@capability None If within the message server process
+@param aFs File server session
+@param aDrive Drive to check, specified by a TDriveNumber value
+@return True if aDrive has a Message Server index, otherwise false
+@see TDriveNumber */
+	{
+	TParse parse1, parse2;
+	TDriveUnit driveUnit(aDrive);
+	TPtrC driveName(driveUnit.Name());
+	// Check the existence of index file.
+	parse1.Set(KMsvDefaultIndexFile,  &driveName, NULL);
+	parse2.Set(KMsvDefaultIndexFile2, &driveName, NULL);
+	TBool isMessageStoreExists =  BaflUtils::FileExists(aFs, parse1.FullName())
+							  ||  BaflUtils::FileExists(aFs, parse2.FullName());
+	// If index file is not present,
+	// check the existence of index DB.
+	if(!isMessageStoreExists)
+		{
+		parse1.Set(KMsvDbFile, &driveName, NULL);
+		TFileName dBFile = parse1.FullName();
+		RSqlDatabase db;
+		TRAPD(err, db.OpenL(dBFile));
+		isMessageStoreExists = (KErrNone == err)? ETrue: EFalse;
+		db.Close();
+		}
+	return isMessageStoreExists;
+	}
+EXPORT_C TInt MessageServer::CurrentDriveL(RFs& aFs)
+/** Returns the drive that the Message Server is using to store messages.
+@capability AllFiles If not within the message server process
+@capability None If within the message server process
+@param aFs File server session
+@return Drive used, specified by a TDriveNumber value
+@see TDriveNumber */
+	{
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	aFs = aFs;		  // This avoids warning.
+	// Get the current drive info from cenrep.
+	CRepository* repository = CRepository::NewL(KUidConfigFile);
+	TInt driveNum;
+	TInt err = repository->Get(KCenRepCurrentDriveKey, driveNum);
+	delete repository;
+	if( (err != KErrNone) || (driveNum > EDriveZ) )
+		{
+		User::Leave(KErrNotFound);
+		}
+	return driveNum;
+#else
+	TMsvConfig config;
+	CMsvServer::CurrentConfigL(aFs, config);
+	return config.iDrive;
+#endif	  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	}
+/** Checks to see if the currently selected drive contains the correct mail store.
+If the message store is present on an external drive, we have to check if the same drive is
+mounted or not before storing the mail.
+@return ETrue if the same drive is mounted. otherwise returns EFalse
+@capability None
+*/
+EXPORT_C TBool MessageServer::IsMessageStoreDrivePresentL(RFs& aFs)
+	{
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	aFs = aFs;
+	return ETrue;
+#else
+	TUint uniqueId = 0;
+	TMsvConfig config;
+	CMsvServer::CurrentConfigL(aFs, config);
+	//Check whether the drive and uid mentioned in the msgs.ini are mounted
+	TVolumeInfo volumeInfo;
+	uniqueId = config.iUniqueID;
+	User::LeaveIfError(aFs.Volume(volumeInfo, config.iDrive.operator TInt()));
+	//Check whether the uid stored in msgs.ini and mounted drive's uid are same
+	if(volumeInfo.iUniqueID == uniqueId)
+		{
+		return ETrue;
+		}
+	return EFalse;
+#endif		  // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+	}
+#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)
+/**
+* IsMessageStoreSupported()
+*
+* @param TDriveNumber: The drive number of the drive.
+* @return TBool: ETrue: If the drive has a valid version of message store.
+*				EFalse: Otherwise.
+*/
+EXPORT_C TBool MessageServer::IsMessageStoreSupported(TDriveNumber aDrive)
+	{
+	TParse parse;
+	TPtrC driveName(TDriveUnit(aDrive).Name());
+	// Check if the message index database
+	// exists and it has a valid version.
+	parse.Set(KMsvDbFile, &driveName, NULL);
+	TFileName dBFile = parse.FullName();
+	RSqlDatabase db;
+	TRAPD(err, db.OpenL(dBFile));
+	if(KErrNone == err)
+		{
+		TInt version = 0;
+		TSqlScalarFullSelectQuery query(db);
+		_LIT8(KSelectVersionQuery, "SELECT version FROM VersionTable;");
+		TRAP(err, version = query.SelectIntL(KSelectVersionQuery));
+		if( (KErrNone == err) && (version == KCurrentDatabaseVersion) )
+			{
+			db.Close();
+			return ETrue;
+			}
+		}
+	// If the DB is already opened by message server, return ETrue.
+	if(KErrInUse == err)
+		{
+		return ETrue;
+		}
+	db.Close();
+	return EFalse;
+	}
+#endif	  //#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)

changeset 62	db3f5fa34ec7
child 35	f8ad95794a08
child 47	d176b53f330f