syncmlfw/ds/hostserver/dshostclient/src/nsmldshostclientsession.cpp
changeset 0 b497e44ab2fc
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     1 /*
       
     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Client Session for DS Host Servers
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // ------------------------------------------------------------------------------------------------
       
    20 // Includes
       
    21 // ------------------------------------------------------------------------------------------------
       
    22 #include <s32mem.h>
       
    23 #include <data_caging_path_literals.hrh>
       
    24 #include <f32file.h>
       
    25 
       
    26 #include <nsmlconstants.h>
       
    27 #include <nsmlunicodeconverter.h>
       
    28 #include "nsmldbcaps.h"
       
    29 #include "nsmldshostclientsession.h"
       
    30 #include "nsmldshostconstants.h"
       
    31 #include "NSmldbcapsSerializer.h"
       
    32 #include "nsmldsdpinformation.h"
       
    33 #include "nsmldshostitem.h"
       
    34 #include "nsmldsitemmodificationset.h"
       
    35 #include "nsmlfilter.h"
       
    36 
       
    37 // ------------------------------------------------------------------------------------------------
       
    38 // Constants
       
    39 // ------------------------------------------------------------------------------------------------
       
    40 _LIT8( KNSmlFilterTypeEXCLUSIVE, "EXCLUSIVE" );
       
    41 _LIT8( KNSmlFilterTypeINCLUSIVE, "INCLUSIVE" );
       
    42 _LIT8( KNSmlFilterTypeCGI, "syncml::filtertype-cgi" );
       
    43 
       
    44 // ------------------------------------------------------------------------------------------------
       
    45 // RNSmlDSHostClient - public methods
       
    46 // ------------------------------------------------------------------------------------------------
       
    47 // ------------------------------------------------------------------------------------------------
       
    48 // RNSmlDSHostClient::Connect
       
    49 // Connects client to Host Servers.
       
    50 // ------------------------------------------------------------------------------------------------
       
    51 TInt RNSmlDSHostClient::Connect( const TDesC& aServerName, const TVersion& aVersion )
       
    52 	{
       
    53 	iMode = ENSmlNormalMode;
       
    54 	TInt result( CreateSession( aServerName, aVersion ) );
       
    55 	
       
    56 	if ( result == KErrNotFound || result == KErrServerTerminated )
       
    57 		{
       
    58 		result = LaunchServer( aServerName );
       
    59 		if ( result == KErrNone || result == KErrAlreadyExists )
       
    60 			{
       
    61 			result = CreateSession( aServerName, aVersion );
       
    62 			}
       
    63 		}
       
    64 	return result;
       
    65 	}
       
    66 
       
    67 // ------------------------------------------------------------------------------------------------
       
    68 // RNSmlDSHostClient::Close
       
    69 // Closes connection between client and Host Server.
       
    70 // ------------------------------------------------------------------------------------------------
       
    71 void RNSmlDSHostClient::Close()
       
    72 	{
       
    73 	iChunk.Close();
       
    74 	RSessionBase::Close();
       
    75 	}
       
    76 
       
    77 // ------------------------------------------------------------------------------------------------
       
    78 // RNSmlDSHostClient::CreateChunk
       
    79 // Creates chunk that is used to transfer data between client and server.
       
    80 // ------------------------------------------------------------------------------------------------
       
    81 TInt RNSmlDSHostClient::CreateChunk() const
       
    82 	{
       
    83 	return iChunk.CreateGlobal( KNullDesC, KNSmlDSHostChunkMinSize, KNSmlDSHostChunkMaxSize );
       
    84 	}
       
    85 
       
    86 // ------------------------------------------------------------------------------------------------
       
    87 // RNSmlDSHostClient::SendChunkHandle
       
    88 // Sends Chunk handle to SyncML DS Host Servers.
       
    89 // ------------------------------------------------------------------------------------------------
       
    90 TInt RNSmlDSHostClient::SendChunkHandle() const
       
    91 	{
       
    92 	TIpcArgs args;
       
    93  	args.Set(0, iChunk);
       
    94  	const TInt error = SendReceive( ENSmlHandleChunk, args );
       
    95  	return error;
       
    96 	}
       
    97 	
       
    98 // ------------------------------------------------------------------------------------------------
       
    99 // RNSmlDSHostClient::CreateDataProvidersL
       
   100 // Creates Data Providers.
       
   101 // ------------------------------------------------------------------------------------------------
       
   102 void RNSmlDSHostClient::CreateDataProvidersL( const RArray<TSmlDataProviderId>& aIds, RArray<TInt>& aResultArray )
       
   103 	{
       
   104 	AdjustChunkIfNeededLC( sizeof( TInt32 ) * ( aIds.Count() + 1 ) );
       
   105 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   106 	CleanupClosePushL( writeStream );
       
   107 	writeStream.WriteInt32L( aIds.Count() );
       
   108 	
       
   109 	for ( TInt i = 0; i < aIds.Count(); i++ )
       
   110 		{
       
   111 		writeStream.WriteInt32L( aIds[i] );
       
   112 		}
       
   113 		
       
   114 	writeStream.CommitL();
       
   115 	CleanupStack::PopAndDestroy(); // writeStream
       
   116 	
       
   117 	User::LeaveIfError( SendReceive( ENSmlDPOpen, TIpcArgs() ) );
       
   118 	
       
   119 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   120 	CleanupClosePushL( readStream );
       
   121 	TInt count( readStream.ReadInt32L() );
       
   122 	
       
   123 	for ( TInt j = 0; j < count; j++ )
       
   124 		{
       
   125 		aResultArray.AppendL( readStream.ReadInt32L() );
       
   126 		}
       
   127 		
       
   128 	CleanupStack::PopAndDestroy(2); // readStream, AdjustChunkIfNeededLC
       
   129 	}
       
   130 	
       
   131 // ------------------------------------------------------------------------------------------------
       
   132 // RNSmlDSHostClient::CreateAllDataProvidersL
       
   133 // Creates all possible Data Providers.
       
   134 // ------------------------------------------------------------------------------------------------
       
   135 void RNSmlDSHostClient::CreateAllDataProvidersL( RArray<TSmlDataProviderId>& aIds, const RArray<TSmlDataProviderId>& aExceptIds )
       
   136 	{
       
   137 	AdjustChunkIfNeededLC( sizeof( TInt32 ) * ( aIds.Count() + 1 ) );
       
   138 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   139 	CleanupClosePushL( writeStream );
       
   140 	writeStream.WriteInt32L( aExceptIds.Count() );
       
   141 	
       
   142 	for ( TInt i = 0; i < aExceptIds.Count(); i++ )
       
   143 		{
       
   144 		writeStream.WriteInt32L( aExceptIds[ i ] );
       
   145 		}
       
   146 	
       
   147 	writeStream.CommitL();
       
   148 	CleanupStack::PopAndDestroy(); // writeStream
       
   149 	
       
   150 	User::LeaveIfError( SendReceive( ENSmlDPOpenExcept, TIpcArgs() ) );
       
   151 	
       
   152 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   153 	CleanupClosePushL( readStream );
       
   154 	TInt count( readStream.ReadInt32L() );
       
   155 	
       
   156 	for ( TInt j = 0; j < count; j++ )
       
   157 		{
       
   158 		aIds.AppendL( readStream.ReadInt32L() );
       
   159 		}
       
   160 
       
   161 	CleanupStack::PopAndDestroy(2); // readStream, AdjustChunkIfNeededLC
       
   162 	}
       
   163 
       
   164 // ------------------------------------------------------------------------------------------------
       
   165 // RNSmlDSHostClient::DataProviderInformationL
       
   166 // 
       
   167 // ------------------------------------------------------------------------------------------------	
       
   168 TNSmlDPInformation* RNSmlDSHostClient::DataProviderInformationL( const TSmlDataProviderId aId, TInt& aResultCode ) const
       
   169 	{
       
   170 	TNSmlDPInformation* info = NULL;
       
   171 	aResultCode = SendReceive( ENSmlDPInformation, TIpcArgs( aId ) );
       
   172 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
   173 	if ( aResultCode == KErrNone )
       
   174 		{
       
   175 		CNSmlDPInformation* dpi = CNSmlDPInformation::NewLC();
       
   176 		
       
   177 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   178 		CleanupClosePushL( readStream );
       
   179 		dpi->InternalizeL( readStream );
       
   180 			
       
   181 		CleanupStack::PopAndDestroy(); //readStream
       
   182 		CleanupStack::Pop( dpi );
       
   183 		info = dpi->InformationD();
       
   184 		}
       
   185 	CleanupStack::PopAndDestroy(); //CancelAdjust
       
   186 	return info;
       
   187 	}
       
   188 // ------------------------------------------------------------------------------------------------
       
   189 // RNSmlDSHostClient::SupportsOperation
       
   190 // Asks if Data Provider supports some operation.
       
   191 // ------------------------------------------------------------------------------------------------
       
   192 TBool RNSmlDSHostClient::SupportsOperationL( TUid aOpId, const TSmlDataProviderId aId, TInt& aResultCode ) const
       
   193 	{
       
   194 	
       
   195 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   196 	CleanupClosePushL( writeStream );
       
   197 	writeStream.WriteInt32L( aOpId.iUid );
       
   198 	writeStream.CommitL();
       
   199 	CleanupStack::PopAndDestroy(); // writeStream
       
   200 	
       
   201 	TPckgBuf<TInt> pckg;
       
   202 		
       
   203 	aResultCode = SendReceive( ENSmlDPSupportsOperation, TIpcArgs( aId, TIpcArgs::ENothing, &pckg ) );
       
   204 	return pckg();
       
   205 	}
       
   206 
       
   207 // ------------------------------------------------------------------------------------------------
       
   208 // RNSmlDSHostClient::StoreFormatL
       
   209 // Creates Data Store format of Data Provider.
       
   210 // ------------------------------------------------------------------------------------------------
       
   211 CNSmlDbCaps* RNSmlDSHostClient::StoreFormatL( const TSmlDataProviderId aId, TInt& aResultCode )
       
   212 	{
       
   213 	TNSmlDbCapsSerializer ser;
       
   214 	CNSmlDbCaps* dbcaps = NULL;
       
   215 	
       
   216 	aResultCode = SendReceive( ENSmlDPStoreFormat, TIpcArgs( aId ) );
       
   217 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, this ) );
       
   218 	
       
   219 	if ( aResultCode == KErrNone )
       
   220 		{
       
   221 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   222 		CleanupClosePushL( readStream );
       
   223 		dbcaps = ser.InternalizeL( readStream );
       
   224 		CleanupStack::PopAndDestroy(); // readStream
       
   225 		}
       
   226 	CleanupStack::PopAndDestroy(); //CancelAdjust
       
   227 		
       
   228 	return dbcaps;
       
   229 	}
       
   230 	
       
   231 // ------------------------------------------------------------------------------------------------
       
   232 // RNSmlDSHostClient::ListStoresL
       
   233 // Creates list of Data Store names of Data Provider.
       
   234 // ------------------------------------------------------------------------------------------------	
       
   235 void RNSmlDSHostClient::ListStoresL( CDesCArray* aNameList, const TSmlDataProviderId aId, TInt& aResultCode )
       
   236 	{
       
   237 	aNameList->Reset();
       
   238 	aResultCode = SendReceive( ENSmlDPlListStores, TIpcArgs( aId ) );
       
   239 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, this ) );
       
   240 	
       
   241 	if ( aResultCode == KErrNone )
       
   242 		{
       
   243 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   244 		CleanupClosePushL( readStream );
       
   245 		TInt32 i(0), storeCount( readStream.ReadInt32L() );
       
   246 		
       
   247 		for (; i < storeCount; i++ )
       
   248 			{
       
   249 			TInt32 length( readStream.ReadInt32L() );
       
   250 			HBufC* store = HBufC::NewLC( readStream, length );
       
   251 			
       
   252 			aNameList->AppendL( *store );
       
   253 			CleanupStack::PopAndDestroy( store );
       
   254 			}
       
   255 			CleanupStack::PopAndDestroy(); // readStream
       
   256 		}
       
   257 		
       
   258 	CleanupStack::PopAndDestroy(); //CancelAdjust
       
   259 	}
       
   260 
       
   261 // ------------------------------------------------------------------------------------------------
       
   262 // RNSmlDSHostClient::DefaultStoreL
       
   263 // Creates default name for Data Store of Data Provider.
       
   264 // ------------------------------------------------------------------------------------------------	
       
   265 HBufC* RNSmlDSHostClient::DefaultStoreL( const TSmlDataProviderId aId, TInt& aResultCode ) const
       
   266 	{
       
   267 	aResultCode = SendReceive( ENSmlDPDefaultStore, TIpcArgs( aId ) );
       
   268 	if ( aResultCode )
       
   269 		{
       
   270 		return NULL;
       
   271 		}
       
   272 	
       
   273 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   274 	CleanupClosePushL( readStream );
       
   275 	
       
   276 	TInt tempLength( readStream.ReadInt32L() );
       
   277 	HBufC* tempName = HBufC::NewL( readStream, tempLength );
       
   278 
       
   279 	CleanupStack::PopAndDestroy(); // readStream
       
   280 	return tempName;
       
   281 	}
       
   282 
       
   283 // ------------------------------------------------------------------------------------------------
       
   284 // RNSmlDSHostClient::SupportedServerFiltersL
       
   285 // This method returns the set of filters that can be used to send to the Sync Partner.
       
   286 // ------------------------------------------------------------------------------------------------	
       
   287 RPointerArray<CSyncMLFilter>* RNSmlDSHostClient::SupportedServerFiltersL( const TSmlDataProviderId aId, 
       
   288 	TSyncMLFilterMatchType& aMatchType, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const
       
   289 	{
       
   290 	TPckgBuf<TSyncMLFilterMatchType> pckg;
       
   291 
       
   292 	aResultCode = SendReceive( ENSmlServerFilters, TIpcArgs( aId, TIpcArgs::ENothing, &pckg ) );
       
   293 	aMatchType = pckg();
       
   294 	
       
   295 	if ( aResultCode )
       
   296 		{
       
   297 		return NULL;
       
   298 		}
       
   299 		
       
   300 	aChangeInfo = ESyncMLDefault;
       
   301 	
       
   302 	RPointerArray<CSyncMLFilter>* array = new ( ELeave ) RPointerArray<CSyncMLFilter>();
       
   303 	CleanupRPtrArrayPushL( array );
       
   304 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   305 	
       
   306 	CleanupClosePushL( readStream );
       
   307 	InternalizeFiltersL( readStream, *array );
       
   308 	CleanupStack::PopAndDestroy(); // readStream
       
   309 	CleanupStack::Pop(); //array
       
   310 	
       
   311 	return array;
       
   312 	}
       
   313 
       
   314 // ------------------------------------------------------------------------------------------------
       
   315 // RNSmlDSHostClient::CheckServerFiltersL
       
   316 // This method updates dynamic filters up-to-date.
       
   317 // ------------------------------------------------------------------------------------------------
       
   318 void RNSmlDSHostClient::CheckServerFiltersL( const TSmlDataProviderId aId, RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const
       
   319 	{
       
   320 	TStreamBuffers* sb = StreamBufferLC();	
       
   321 	sb->iWrite->WriteInt32L( aChangeInfo );	
       
   322 	ExternalizeFiltersL( *sb->iWrite, aFilters );
       
   323 	sb->iWrite->CommitL();
       
   324 	
       
   325 	AdjustChunkIfNeededLC( sb->iBuffer->Size() );
       
   326 	
       
   327 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   328 	CleanupClosePushL( writeStream );
       
   329 	writeStream.WriteL( *sb->iRead );
       
   330 	writeStream.CommitL();
       
   331 	CleanupStack::PopAndDestroy(); // writeStream
       
   332 	
       
   333 	aResultCode = SendReceive( ENSmlUpdateServerFilters, TIpcArgs( aId ) );
       
   334 	
       
   335 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   336 	CleanupClosePushL( readStream );
       
   337 	
       
   338 	aChangeInfo = static_cast<TSyncMLFilterChangeInfo>( readStream.ReadInt32L() );
       
   339 	InternalizeFiltersL( readStream, aFilters );
       
   340 	CleanupStack::PopAndDestroy(3); // readStream, AdjustChunkIfNeededLC, sb
       
   341 	}	
       
   342 
       
   343 // ------------------------------------------------------------------------------------------------
       
   344 // RNSmlDSHostClient::CheckSupportedServerFiltersL
       
   345 // This method checks what filters are supported by server
       
   346 // ------------------------------------------------------------------------------------------------	
       
   347 void RNSmlDSHostClient::CheckSupportedServerFiltersL( const TSmlDataProviderId aId, 
       
   348 	const CNSmlDbCaps& aServerDataStoreFormat, const CArrayFix<TNSmlFilterCapData>& aFilterInfoArr, 
       
   349 	RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const
       
   350 	{
       
   351 	TNSmlDbCapsSerializer ser;
       
   352 	TStreamBuffers* sb = StreamBufferLC();	
       
   353 	
       
   354 	sb->iWrite->WriteInt32L( aChangeInfo );
       
   355 	ser.ExternalizeL( aServerDataStoreFormat, aFilterInfoArr, *sb->iWrite );
       
   356 	ExternalizeFiltersL( *sb->iWrite, aFilters );
       
   357 	sb->iWrite->CommitL();
       
   358 	
       
   359 	AdjustChunkIfNeededLC( sb->iBuffer->Size() );
       
   360 	
       
   361 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   362 	CleanupClosePushL( writeStream );
       
   363 	writeStream.WriteL( *sb->iRead );
       
   364 	writeStream.CommitL();
       
   365 	CleanupStack::PopAndDestroy(); // writeStream
       
   366 	
       
   367 	aResultCode = SendReceive( ENSmlCheckSupportedServerFilters, TIpcArgs( aId ) );
       
   368 	
       
   369 	if ( aResultCode == KErrNone )
       
   370 		{
       
   371 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   372 		CleanupClosePushL( readStream );
       
   373 		aChangeInfo = static_cast<TSyncMLFilterChangeInfo>( readStream.ReadInt32L() );
       
   374 		InternalizeFiltersL( readStream, aFilters );
       
   375 		CleanupStack::PopAndDestroy(); //readStream
       
   376 		}
       
   377 	
       
   378 	CleanupStack::PopAndDestroy(2); //AdjustChunkIfNeededLC, sb
       
   379 	}
       
   380 
       
   381 // ------------------------------------------------------------------------------------------------
       
   382 // CNSmlDSHostClient::GetFilterL
       
   383 // Get Filters.
       
   384 // ------------------------------------------------------------------------------------------------	
       
   385 void RNSmlDSHostClient::GetFilterL( const TSmlDataProviderId aId, const TDesC& aStoreName, const RPointerArray<CSyncMLFilter>& aFilterArray, CNSmlFilter*& aFilter, TSyncMLFilterMatchType aMatchType, TInt& aResultCode )
       
   386 	{
       
   387 	TStreamBuffers* sb = StreamBufferLC();
       
   388 	sb->iWrite->WriteInt32L( aMatchType );
       
   389 	ExternalizeFiltersL( *sb->iWrite, aFilterArray );
       
   390 	sb->iWrite->CommitL();
       
   391 	
       
   392 	AdjustChunkIfNeededLC( sb->iBuffer->Size() );
       
   393 	
       
   394 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   395 	CleanupClosePushL( writeStream );
       
   396 	writeStream.WriteL( *sb->iRead );
       
   397 	writeStream.CommitL();
       
   398 	CleanupStack::PopAndDestroy(); // writeStream
       
   399 
       
   400 	aResultCode = SendReceive( ENSmlFilters, TIpcArgs( aId, &aStoreName ) );
       
   401 	if ( aResultCode == KErrNone )
       
   402 		{
       
   403 		GetFilterFromChunkL( aFilter );
       
   404 		}
       
   405 	
       
   406 	CleanupStack::PopAndDestroy(2); //AdjustChunkIfNeededLC, sb 
       
   407 	}
       
   408 
       
   409 // ------------------------------------------------------------------------------------------------
       
   410 // CNSmlDSHostClient::GetFilterFromChunkL
       
   411 // creates filter from chunk
       
   412 // ------------------------------------------------------------------------------------------------		
       
   413 void RNSmlDSHostClient::GetFilterFromChunkL( CNSmlFilter*& aFilter )
       
   414 	{
       
   415 	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   416 	CleanupClosePushL( readStream );
       
   417 	TSyncMLFilterType filterType( static_cast<TSyncMLFilterType>( readStream.ReadInt32L() ) ); 
       
   418 	HBufC* query = HBufC::NewLC( readStream, readStream.ReadUint32L() );
       
   419 	HBufC* recordMimeType = HBufC::NewLC( readStream, readStream.ReadUint32L() );
       
   420 	HBufC* fieldMimeType = HBufC::NewLC( readStream, readStream.ReadUint32L() );
       
   421 	
       
   422 	RStringPool pool;
       
   423 	pool.OpenL();
       
   424 	CleanupClosePushL( pool );			
       
   425 	
       
   426 	//properties
       
   427 	RPointerArray<CSmlDataProperty> properties;
       
   428     CleanupStack::PushL( PtrArrCleanupItemRArr( 
       
   429 			CSmlDataProperty, &properties ) );
       
   430 			
       
   431 	TInt count( readStream.ReadUint32L() );
       
   432 	for ( TInt i = 0; i < count; i++ )
       
   433 		{
       
   434 		CSmlDataProperty* prop = CSmlDataProperty::NewLC( pool, readStream );
       
   435 		properties.AppendL( prop );
       
   436 		CleanupStack::Pop( prop );
       
   437 		}
       
   438 		
       
   439 	aFilter = CNSmlFilter::NewLC();
       
   440 		
       
   441 	if ( filterType == ESyncMLTypeInclusive )
       
   442 		{
       
   443 		aFilter->SetFilterTypeL( KNSmlFilterTypeINCLUSIVE );
       
   444 		}
       
   445 	else if ( filterType == ESyncMLTypeExclusive )
       
   446 		{
       
   447 		aFilter->SetFilterTypeL( KNSmlFilterTypeEXCLUSIVE );
       
   448 		}
       
   449 		
       
   450 	HBufC8* tmpbuf = NULL;
       
   451 	NSmlUnicodeConverter::HBufC8InUTF8LC( *recordMimeType, tmpbuf );
       
   452 	aFilter->SetFilterMetaTypeL( *tmpbuf );
       
   453 	CleanupStack::PopAndDestroy();
       
   454 	NSmlUnicodeConverter::HBufC8InUTF8LC( *fieldMimeType, tmpbuf );
       
   455 	aFilter->SetFieldMetaTypeL( *tmpbuf );
       
   456 	CleanupStack::PopAndDestroy();
       
   457 	NSmlUnicodeConverter::HBufC8InUTF8LC( *query, tmpbuf );
       
   458 	aFilter->SetRecordL( KNSmlFilterTypeCGI, *tmpbuf );
       
   459 	CleanupStack::PopAndDestroy();
       
   460 		
       
   461 	AddFilterPropertiesL( properties, *aFilter );
       
   462 	
       
   463 	CleanupStack::Pop(); // aFilter
       
   464 	CleanupStack::PopAndDestroy(6); // pool, properties, fieldMimeType, recordMimeType, query, readStream
       
   465 	}
       
   466 
       
   467 // ------------------------------------------------------------------------------------------------
       
   468 // RNSmlDSHostClient::AddFilterPropertiesL
       
   469 // ------------------------------------------------------------------------------------------------	
       
   470 void RNSmlDSHostClient::AddFilterPropertiesL( const RPointerArray<CSmlDataProperty>& properties, CNSmlFilter& aFilter ) const
       
   471 	{
       
   472 	TNSmlDbCapsSerializer ser;
       
   473 	for ( TInt i = 0; i < properties.Count(); i++ )
       
   474 		{
       
   475 		const CSmlDataProperty* prop = properties[i];
       
   476 			
       
   477 		CNSmlDevInfProp* dip = aFilter.AddFieldDataPropLC( prop->Field().Name().DesC() );
       
   478 		ser.SetFromL( *prop, *dip );
       
   479 		CleanupStack::Pop(); // dip
       
   480 		}
       
   481 	}
       
   482 
       
   483 // ------------------------------------------------------------------------------------------------
       
   484 // RNSmlDSHostClient::OpenL
       
   485 // Opens the data store specified by aStoreName asynchronously.
       
   486 // ------------------------------------------------------------------------------------------------	
       
   487 void RNSmlDSHostClient::OpenL( const TSmlDataProviderId aId, const TDesC& aStoreName, const TDesC& aServerId, const TDesC& aRemoteDB, TInt& aResultCode ) const
       
   488 	{
       
   489 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   490 	CleanupClosePushL( writeStream );
       
   491 	
       
   492 	writeStream.WriteUint32L( aServerId.Length() );
       
   493 	writeStream << aServerId;
       
   494 	writeStream.WriteUint32L( aRemoteDB.Length() );
       
   495 	writeStream << aRemoteDB;
       
   496 	
       
   497 	CleanupStack::PopAndDestroy(); // writeStream
       
   498 	
       
   499 	aResultCode = SendReceive( ENSmlDSOpen, TIpcArgs( aId, &aStoreName ) );
       
   500 	}
       
   501 
       
   502 // ------------------------------------------------------------------------------------------------
       
   503 // RNSmlDSHostClient::CancelRequest
       
   504 // Cancel the current asynchronous request.
       
   505 // ------------------------------------------------------------------------------------------------	
       
   506 void RNSmlDSHostClient::CancelRequest( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   507 	{
       
   508 	aResultCode = SendReceive( ENSmlDSCancelRequest, TIpcArgs( aId, &aStoreName ) );
       
   509 	}
       
   510 
       
   511 // ------------------------------------------------------------------------------------------------
       
   512 // RNSmlDSHostClient::BeginTransaction
       
   513 // Starts the transaction mode.
       
   514 // ------------------------------------------------------------------------------------------------	
       
   515 void RNSmlDSHostClient::BeginTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   516 	{
       
   517 	iMode = ENSmlTransactionMode;
       
   518 	aResultCode = SendReceive( ENSmlDSBeginTransaction, TIpcArgs( aId, &aStoreName ) );
       
   519 	}
       
   520 
       
   521 // ------------------------------------------------------------------------------------------------
       
   522 // RNSmlDSHostClient::CommitTransaction
       
   523 // Method will be called at the end of a successful transaction.
       
   524 // ------------------------------------------------------------------------------------------------	
       
   525 void RNSmlDSHostClient::CommitTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   526 	{
       
   527 	iMode = ENSmlNormalMode;
       
   528 	aResultCode = SendReceive( ENSmlDSCommitTransaction, TIpcArgs( aId, &aStoreName ) );
       
   529 	}
       
   530 
       
   531 // ------------------------------------------------------------------------------------------------
       
   532 // RNSmlDSHostClient::RevertTransaction
       
   533 // Method will be called to abort an ongoing transaction.
       
   534 // ------------------------------------------------------------------------------------------------	
       
   535 void RNSmlDSHostClient::RevertTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   536 	{
       
   537 	iMode = ENSmlNormalMode;
       
   538 	aResultCode = SendReceive( ENSmlDSRevertTransaction, TIpcArgs( aId, &aStoreName ) );
       
   539 	}
       
   540 
       
   541 // ------------------------------------------------------------------------------------------------
       
   542 // RNSmlDSHostClient::BeginBatch
       
   543 // Starts the batch mode.
       
   544 // ------------------------------------------------------------------------------------------------	
       
   545 void RNSmlDSHostClient::BeginBatch( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   546 	{
       
   547 	iMode = ENSmlBatchMode;
       
   548 	iAddedUidsBuffer.Reset();
       
   549 	aResultCode = SendReceive( ENSmlDSBeginBatch, TIpcArgs( aId, &aStoreName ) );
       
   550 	}
       
   551 	
       
   552 // ------------------------------------------------------------------------------------------------
       
   553 // RNSmlDSHostClient::CommitBatchL
       
   554 // Method will be called at the end of the batch mode.
       
   555 // ------------------------------------------------------------------------------------------------	
       
   556 void RNSmlDSHostClient::CommitBatchL( RArray<TInt>& aResultArray, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   557 	{
       
   558 	iMode = ENSmlNormalMode;
       
   559 	
       
   560 	RArray<TInt> addUids;
       
   561 	CleanupClosePushL( addUids );
       
   562 	
       
   563 	aResultCode = SendReceive( ENSmlDSCommitBatch, TIpcArgs( aId, &aStoreName ) );
       
   564 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, this ) );
       
   565 	
       
   566 	if ( aResultCode == KErrNone )
       
   567 		{
       
   568 		// First read results
       
   569 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   570 		CleanupClosePushL( readStream );
       
   571 		TInt resultCount( readStream.ReadInt32L() );
       
   572 		for ( TInt j = 0; j < resultCount; j++ )
       
   573 			{
       
   574 			aResultArray.AppendL( readStream.ReadInt32L() );
       
   575 			}
       
   576 		// Second read uids references that are added
       
   577 		TInt uidsCount( readStream.ReadInt32L() );
       
   578 		for ( TInt j = 0; j < uidsCount; j++ )
       
   579 			{
       
   580 			addUids.AppendL( readStream.ReadInt32L() );
       
   581 			}
       
   582 		CleanupStack::PopAndDestroy(); // readStream
       
   583 		
       
   584 		if ( addUids.Count() != iAddedUidsBuffer.Count() )
       
   585 			{
       
   586 			User::Leave( KErrUnknown );
       
   587 			}
       
   588 		else
       
   589 			{
       
   590 			for ( TInt i = 0; i < addUids.Count(); i++ )
       
   591 				{
       
   592 				*( iAddedUidsBuffer[ i ] ) = addUids[ i ];
       
   593 				}
       
   594 			}
       
   595 		}
       
   596 		
       
   597 	CleanupStack::PopAndDestroy(2); //CancelAdjust, addUids
       
   598 	}
       
   599 
       
   600 // ------------------------------------------------------------------------------------------------
       
   601 // RNSmlDSHostClient::CancelBatchL
       
   602 // Method will be called to abort an ongoing batch mode.
       
   603 // ------------------------------------------------------------------------------------------------	
       
   604 void RNSmlDSHostClient::CancelBatch( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   605 	{
       
   606 	iMode = ENSmlNormalMode;
       
   607 	aResultCode = SendReceive( ENSmlDSCancelBatch, TIpcArgs( aId, &aStoreName ) );
       
   608 	}
       
   609 	
       
   610 // ------------------------------------------------------------------------------------------------
       
   611 // RNSmlDSHostClient::SetRemoteDataStoreFormatL
       
   612 // Sets the Sync Partner Data Format.
       
   613 // ------------------------------------------------------------------------------------------------	
       
   614 void RNSmlDSHostClient::SetRemoteDataStoreFormatL( const CNSmlDbCaps& aServerDataStoreFormat, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   615 	{
       
   616 	TNSmlDbCapsSerializer ser;
       
   617 	TStreamBuffers* sb = StreamBufferLC();
       
   618 	ser.ExternalizeL( aServerDataStoreFormat, *sb->iWrite );
       
   619 	sb->iWrite->CommitL();
       
   620 	AdjustChunkIfNeededLC( sb->iBuffer->Size() );
       
   621 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   622 	CleanupClosePushL( writeStream );
       
   623 	writeStream.WriteL( *sb->iRead );
       
   624 	CleanupStack::PopAndDestroy(); // writeStream
       
   625 	
       
   626 	aResultCode = SendReceive( ENSmlDSSetDataStoreFormat, TIpcArgs( aId, &aStoreName ) );
       
   627 	CleanupStack::PopAndDestroy(2); // AdjustChunkIfNeededLC, sb
       
   628 	}
       
   629 	
       
   630 // ------------------------------------------------------------------------------------------------
       
   631 // RNSmlDSHostClient::SetRemoteMaxObjectSizeL
       
   632 // Sets the SyncML server Sync Partner maximum object size.
       
   633 // ------------------------------------------------------------------------------------------------	
       
   634 void RNSmlDSHostClient::SetRemoteMaxObjectSizeL( TInt aServerMaxObjectSize, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   635 	{
       
   636 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   637 	CleanupClosePushL( writeStream );
       
   638 	writeStream.WriteInt32L( aServerMaxObjectSize );
       
   639 	writeStream.CommitL();
       
   640 	CleanupStack::PopAndDestroy(); // writeStream
       
   641 	
       
   642 	aResultCode = SendReceive( ENSmlDSRemoteMaxObjSize, TIpcArgs( aId, &aStoreName ) );
       
   643 	}
       
   644 	
       
   645 // ------------------------------------------------------------------------------------------------
       
   646 // RNSmlDSHostClient::MaxObjectSize
       
   647 // Gets the Data Store maximum object size which is reported to the SyncML partner.
       
   648 // ------------------------------------------------------------------------------------------------	
       
   649 TInt RNSmlDSHostClient::MaxObjectSize( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   650 	{
       
   651 	TPckgBuf<TInt> pckg;
       
   652 	aResultCode = SendReceive( ENSmlMaxObjSize, TIpcArgs( aId, &aStoreName, &pckg ) );
       
   653 	return pckg();
       
   654 	}	
       
   655 
       
   656 // ------------------------------------------------------------------------------------------------
       
   657 // RNSmlDSHostClient::OpenItemL
       
   658 // Opens item at Data Store.
       
   659 // ------------------------------------------------------------------------------------------------	
       
   660 void RNSmlDSHostClient::OpenItemL( TSmlDbItemUid aUid, TBool& aFieldChange, TInt& aSize, TSmlDbItemUid& aParent, HBufC8*& aMimeType, HBufC8*& aMimeVer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   661 	{
       
   662 	
       
   663 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   664 	item->SetUid( aUid );
       
   665 	
       
   666 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   667 	CleanupClosePushL( writeStream );
       
   668 	item->ExternalizeL( writeStream );
       
   669 	writeStream.CommitL();
       
   670 	CleanupStack::PopAndDestroy(); // writeStream
       
   671 	
       
   672 	aResultCode = SendReceive( ENSmlItemOpen, TIpcArgs( aId, &aStoreName ) );
       
   673 	
       
   674 	if ( aResultCode == KErrNone )
       
   675 		{
       
   676 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   677 		CleanupClosePushL( readStream );
       
   678 		item->InternalizeL( readStream );
       
   679 
       
   680 		CleanupStack::PopAndDestroy(); // readStream
       
   681 		
       
   682 		aFieldChange = item->FieldChange();
       
   683 		aSize = item->Size();
       
   684 		if ( item->ParentUid() != -2 )
       
   685 			{
       
   686 			aParent = item->ParentUid();
       
   687 			}
       
   688 		aMimeType = item->MimeType()->AllocLC();
       
   689 		aMimeVer = item->MimeVer()->AllocLC();
       
   690 		CleanupStack::Pop(2); //aMimeVer, aMimeType
       
   691 		}
       
   692 	
       
   693 	CleanupStack::PopAndDestroy(); // item
       
   694 	}
       
   695 
       
   696 // ------------------------------------------------------------------------------------------------
       
   697 // RNSmlDSHostClient::CreateItemL
       
   698 // Creates new item to Data Store.
       
   699 // ------------------------------------------------------------------------------------------------	
       
   700 void RNSmlDSHostClient::CreateItemL( TSmlDbItemUid& aUid, TInt aSize, TSmlDbItemUid aParent, const TDesC8& aMimeType, const TDesC8& aMimeVer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   701 	{
       
   702 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   703 	item->SetUid( aUid );
       
   704 	item->SetSize( aSize );
       
   705 	item->SetParentUid( aParent );
       
   706 	item->SetMimeTypeL( aMimeType );
       
   707 	item->SetMimeVerL( aMimeVer );
       
   708 	
       
   709 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   710 	CleanupClosePushL( writeStream );
       
   711 	item->ExternalizeL( writeStream );
       
   712 	writeStream.CommitL();
       
   713 	CleanupStack::PopAndDestroy(); // writeStream
       
   714 	
       
   715 	aResultCode = SendReceive( ENSmlItemCreate, TIpcArgs( aId, &aStoreName ) );
       
   716 	
       
   717 	if ( aResultCode == KErrNone )
       
   718 		{
       
   719 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   720 		CleanupClosePushL( readStream );
       
   721 		item->InternalizeL( readStream );
       
   722 
       
   723 		CleanupStack::PopAndDestroy(); // readStream
       
   724 		
       
   725 		aUid = item->Uid();
       
   726 		iAddedUidBuffer = &aUid;
       
   727 		if ( iMode == ENSmlBatchMode )
       
   728 			{
       
   729 			iAddedUidsBuffer.AppendL( &aUid );
       
   730 			}
       
   731 		iItemState = ENSmlItemCreating;
       
   732 		}
       
   733 	
       
   734 	CleanupStack::PopAndDestroy(); // item
       
   735 	}
       
   736 	
       
   737 // ------------------------------------------------------------------------------------------------
       
   738 // RNSmlDSHostClient::ReplaceItemL
       
   739 // Replaces old item at Data Store.
       
   740 // ------------------------------------------------------------------------------------------------	
       
   741 void RNSmlDSHostClient::ReplaceItemL( TSmlDbItemUid aUid, TInt aSize, TSmlDbItemUid aParent, TBool aFieldChange, TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   742 	{
       
   743 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   744 	item->SetUid( aUid );
       
   745 	item->SetSize( aSize );
       
   746 	item->SetParentUid( aParent );
       
   747 	item->SetFieldChange( aFieldChange );
       
   748 	
       
   749 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   750 	CleanupClosePushL( writeStream );
       
   751 	item->ExternalizeL( writeStream );
       
   752 	writeStream.CommitL();
       
   753 	CleanupStack::PopAndDestroy( 2 ); // writeStream, item
       
   754 	
       
   755 	aResultCode = SendReceive( ENSmlItemReplace, TIpcArgs( aId, &aStoreName ) );
       
   756 	if ( aResultCode == KErrNone )
       
   757 		{
       
   758 		iItemState = ENSmlItemUpdating;
       
   759 		}
       
   760 	}
       
   761 
       
   762 // ------------------------------------------------------------------------------------------------
       
   763 // RNSmlDSHostClient::ReadItemL
       
   764 // Reads data from item at Data Store. Item must be opened before this method can be called.
       
   765 // This method is called until aBuffer is not used totally or method leaves with KErrEof.
       
   766 // ------------------------------------------------------------------------------------------------	
       
   767 void RNSmlDSHostClient::ReadItemL( TDes8& aBuffer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   768 	{
       
   769 	RMemWriteStream writeStream;
       
   770 	RMemReadStream readStream;
       
   771 	CleanupClosePushL( writeStream );
       
   772 	CleanupClosePushL( readStream );
       
   773 	TInt size( aBuffer.MaxSize() );
       
   774 	TInt bytesRead(0), pos(0);
       
   775 	aBuffer.Zero();
       
   776 	
       
   777 	do
       
   778 		{
       
   779 		writeStream.Open( iChunk.Base(), iChunk.Size() );
       
   780 		writeStream.WriteInt32L( size );
       
   781 		
       
   782 		aResultCode = SendReceive( ENSmlItemRead, TIpcArgs( aId, &aStoreName ) );
       
   783 		if ( aResultCode != KErrNone )
       
   784 			{
       
   785 			break;
       
   786 			}
       
   787 		
       
   788 		readStream.Open( iChunk.Base(), iChunk.Size() );
       
   789 		bytesRead = readStream.ReadInt32L();
       
   790 		TInt ll( aBuffer.Length() );
       
   791 		aBuffer.SetLength( ll + bytesRead );
       
   792 		TPtr8 des = aBuffer.MidTPtr( pos );
       
   793 		readStream.ReadL( des, bytesRead );
       
   794 		pos += bytesRead;
       
   795 		
       
   796 		} while( size -= bytesRead );
       
   797 		
       
   798 	CleanupStack::PopAndDestroy(2); //readStream, writeStream
       
   799 	}
       
   800 		
       
   801 // ------------------------------------------------------------------------------------------------
       
   802 // RNSmlDSHostClient::WriteItemL
       
   803 // Writes data to item to Data Provider. CreateItemL or ReplaceItemL method must be called before
       
   804 // this method can be called. This method is called until all data to current item is written.
       
   805 // ------------------------------------------------------------------------------------------------	
       
   806 void RNSmlDSHostClient::WriteItemL( const TDesC8& aData, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   807 	{
       
   808 	AdjustChunkLC( aData.Size() + sizeof( TInt32 ) );
       
   809 		
       
   810 	TInt sizeOfChunk( iChunk.Size() - sizeof( TInt32 ) );
       
   811 		
       
   812 	RMemWriteStream writeStream;
       
   813 	CleanupClosePushL( writeStream );
       
   814 	
       
   815 	TInt sizeOfData( aData.Size() ), pos(0);
       
   816 	
       
   817 	do
       
   818 		{
       
   819 		TInt size( Min<TInt>( sizeOfData, sizeOfChunk ) );
       
   820 		writeStream.Open( iChunk.Base(), iChunk.Size() );
       
   821 		
       
   822 		writeStream.WriteInt32L( size );
       
   823 		writeStream.WriteL( aData.Mid( pos, size ) );
       
   824 		writeStream.CommitL();
       
   825 		aResultCode = SendReceive( ENSmlItemWrite, TIpcArgs( aId, &aStoreName ) );
       
   826 		
       
   827 		if ( aResultCode != KErrNone )
       
   828 			{
       
   829 			break;
       
   830 			}
       
   831 		
       
   832 		TInt32 bytesWritten(0);
       
   833 		TPckg<TInt32> bytesWrittenPckg( bytesWritten );
       
   834     	bytesWrittenPckg.Copy( iChunk.Base(), sizeof( TInt32 ) );
       
   835 		
       
   836 		if ( sizeOfData <= bytesWritten ) break;
       
   837 		
       
   838 		sizeOfData -= bytesWritten;
       
   839 		pos += bytesWritten;
       
   840 		
       
   841 		} while( sizeOfData > 0 );
       
   842 		
       
   843 	
       
   844 	CleanupStack::PopAndDestroy(2); // writeStream, AdjustChunkLC
       
   845 	}
       
   846 	
       
   847 // ------------------------------------------------------------------------------------------------
       
   848 // RNSmlDSHostClient::CommitItem
       
   849 // After item is written to Data Provider it can be saved to the Data Store.
       
   850 // This method can be called just after WriteItemL method.
       
   851 // ------------------------------------------------------------------------------------------------	
       
   852 void RNSmlDSHostClient::CommitItem( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   853 	{
       
   854 	TPckgBuf<TInt> pckg;
       
   855 	
       
   856 	if ( iItemState == ENSmlClosed || ( iItemState == ENSmlItemCreating && !iAddedUidBuffer ) )
       
   857 		{
       
   858 		aResultCode = KErrArgument;
       
   859 		}
       
   860 	else
       
   861 		{
       
   862 		
       
   863 		aResultCode = SendReceive( ENSmlItemCommit, TIpcArgs( aId, &aStoreName, &pckg ) );
       
   864 		
       
   865 		if ( iItemState == ENSmlItemCreating )
       
   866 			{
       
   867 			*iAddedUidBuffer = pckg();
       
   868 			}
       
   869 		}
       
   870 		
       
   871 	if (aResultCode == KErrNone)
       
   872 		{
       
   873 		iItemState = ENSmlClosed;
       
   874 		}
       
   875 	}
       
   876 	
       
   877 // ------------------------------------------------------------------------------------------------
       
   878 // RNSmlDSHostClient::CloseItem
       
   879 // Closes opened item.
       
   880 // ------------------------------------------------------------------------------------------------	
       
   881 void RNSmlDSHostClient::CloseItem( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   882 	{
       
   883 	aResultCode = SendReceive( ENSmlItemClose, TIpcArgs( aId, &aStoreName ) );
       
   884 	
       
   885 	if (aResultCode == KErrNone)
       
   886 		{
       
   887 		iItemState = ENSmlClosed;
       
   888 		}
       
   889 	}
       
   890 	
       
   891 // ------------------------------------------------------------------------------------------------
       
   892 // RNSmlDSHostClient::MoveItemL
       
   893 // Moves item to new location.
       
   894 // ------------------------------------------------------------------------------------------------	
       
   895 void RNSmlDSHostClient::MoveItemL( TSmlDbItemUid aUid, TSmlDbItemUid aNewParent, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
   896 	{
       
   897 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   898 	item->SetUid( aUid );
       
   899 	item->SetParentUid( aNewParent );
       
   900 	
       
   901 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   902 	CleanupClosePushL( writeStream );
       
   903 	item->ExternalizeL( writeStream );
       
   904 	writeStream.CommitL();
       
   905 	CleanupStack::PopAndDestroy( 2 ); // writeStream, item
       
   906 	
       
   907 	aResultCode = SendReceive( ENSmlItemMove, TIpcArgs( aId, &aStoreName ) );
       
   908 	}
       
   909 		
       
   910 // ------------------------------------------------------------------------------------------------
       
   911 // RNSmlDSHostClient::DeleteItemL
       
   912 // Deletes one item at Data Store permanently.
       
   913 // ------------------------------------------------------------------------------------------------	
       
   914 void RNSmlDSHostClient::DeleteItemL( TSmlDbItemUid aUid, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   915 	{
       
   916 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   917 	item->SetUid( aUid );
       
   918 	
       
   919 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   920 	CleanupClosePushL( writeStream );
       
   921 	item->ExternalizeL( writeStream );
       
   922 	writeStream.CommitL();
       
   923 	CleanupStack::PopAndDestroy( 2 ); // writeStream, item
       
   924 	
       
   925 	aResultCode = SendReceive( ENSmlItemDelete, TIpcArgs( aId, &aStoreName ) );
       
   926 	}
       
   927 	
       
   928 // ------------------------------------------------------------------------------------------------
       
   929 // RNSmlDSHostClient::SoftDeleteItemL
       
   930 // Soft deletes one item at Data Store.
       
   931 // ------------------------------------------------------------------------------------------------	
       
   932 void RNSmlDSHostClient::SoftDeleteItemL( TSmlDbItemUid aUid, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   933 	{
       
   934 	CNSmlDSHostItem* item = CNSmlDSHostItem::NewLC();
       
   935 	item->SetUid( aUid );
       
   936 	
       
   937 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
   938 	CleanupClosePushL( writeStream );
       
   939 	item->ExternalizeL( writeStream );
       
   940 	writeStream.CommitL();
       
   941 	CleanupStack::PopAndDestroy( 2 ); // writeStream, item
       
   942 
       
   943 	aResultCode = SendReceive( ENSmlItemSoftDelete, TIpcArgs( aId, &aStoreName ) );
       
   944 	}
       
   945 	
       
   946 // ------------------------------------------------------------------------------------------------
       
   947 // RNSmlDSHostClient::DeleteAllItems
       
   948 // Deletes all items at Data Store permanently.
       
   949 // ------------------------------------------------------------------------------------------------	
       
   950 void RNSmlDSHostClient::DeleteAllItems( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   951 	{
       
   952 	aResultCode = SendReceive( ENSmlItemDeleteAll, TIpcArgs( aId, &aStoreName ) );
       
   953 	}
       
   954 
       
   955 // ------------------------------------------------------------------------------------------------
       
   956 // RNSmlDSHostClient::HasSyncHistory
       
   957 // Checks if the Data Store has sync history. If not then slow sync is proposed to Sync Partner.
       
   958 // ------------------------------------------------------------------------------------------------	
       
   959 TBool RNSmlDSHostClient::HasSyncHistory( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   960 	{
       
   961 	TPckgBuf<TInt> pckg;
       
   962 	aResultCode = SendReceive( ENSmlDSSyncHistory, TIpcArgs( aId, &aStoreName, &pckg ) );
       
   963 	return pckg();
       
   964 	}
       
   965 	
       
   966 // ------------------------------------------------------------------------------------------------
       
   967 // RNSmlDSHostClient::AddedItemsL
       
   968 // The Data Provider returns UIDs of items that are added after previous synchronization.
       
   969 // If the Data Provider uses hierarchical synchronization then added folders must be placed
       
   970 // first (from root to leaves) to UID set and finally items.
       
   971 // ------------------------------------------------------------------------------------------------	
       
   972 void RNSmlDSHostClient::AddedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   973 	{
       
   974 	aResultCode = SendReceive( ENSmlDSItemsAdded, TIpcArgs( aId, &aStoreName ) );
       
   975 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );	
       
   976 	if ( aResultCode == KErrNone )
       
   977 		{
       
   978 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
   979 		CleanupClosePushL( readStream );
       
   980 		aUidSet.InternalizeL( readStream );
       
   981 		CleanupStack::PopAndDestroy(); // readStream
       
   982 		}
       
   983 	
       
   984 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
   985 	}
       
   986 	
       
   987 // ------------------------------------------------------------------------------------------------
       
   988 // RNSmlDSHostClient::DeletedItemsL
       
   989 // The Data Provider returns UIDs of items that are deleted after previous synchronization.
       
   990 // If the Data Provider uses hierarchical synchronization then deleted items must be placed
       
   991 // first to UID set and folders after items (from leaves to root).
       
   992 // ------------------------------------------------------------------------------------------------	
       
   993 void RNSmlDSHostClient::DeletedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
   994 	{
       
   995 	aResultCode = SendReceive( ENSmlDSItemsDeleted, TIpcArgs( aId, &aStoreName ) );
       
   996 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
   997 	if ( aResultCode == KErrNone )
       
   998 		{
       
   999 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
  1000 		CleanupClosePushL( readStream );
       
  1001 		aUidSet.InternalizeL( readStream );
       
  1002 		CleanupStack::PopAndDestroy(); // readStream
       
  1003 		}
       
  1004 		
       
  1005 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
  1006 	}
       
  1007 
       
  1008 // ------------------------------------------------------------------------------------------------
       
  1009 // RNSmlDSHostClient::SoftDeleteItemsL
       
  1010 // The Data Provider returns UIDs of items that are soft deleted after previous synchronization.
       
  1011 // If the Data Provider uses hierarchical synchronization then soft deleted items must be placed
       
  1012 // first to UID set and folders after items (from leaves to root).
       
  1013 // ------------------------------------------------------------------------------------------------	
       
  1014 void RNSmlDSHostClient::SoftDeleteItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1015 	{
       
  1016 	aResultCode = SendReceive( ENSmlDSItemsSofDeleted, TIpcArgs( aId, &aStoreName ) );
       
  1017 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
  1018 	if ( aResultCode == KErrNone )
       
  1019 		{
       
  1020 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
  1021 		CleanupClosePushL( readStream );
       
  1022 		aUidSet.InternalizeL( readStream );
       
  1023 		CleanupStack::PopAndDestroy(); // readStream
       
  1024 		}
       
  1025 		
       
  1026 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
  1027 	}
       
  1028 
       
  1029 // ------------------------------------------------------------------------------------------------
       
  1030 // RNSmlDSHostClient::ModifiedItemsL
       
  1031 // The Data Provider returns UIDs of items that are modified after previous synchronization.
       
  1032 // If the Data Provider uses hierarchical synchronization then modified folders must be placed
       
  1033 // first (from root to leaves) to UID set and finally items.
       
  1034 // ------------------------------------------------------------------------------------------------	
       
  1035 void RNSmlDSHostClient::ModifiedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1036 	{
       
  1037 	aResultCode = SendReceive( ENSmlDSItemsModified, TIpcArgs( aId, &aStoreName ) );
       
  1038 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
  1039 	if ( aResultCode == KErrNone )
       
  1040 		{
       
  1041 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
  1042 		CleanupClosePushL( readStream );
       
  1043 		aUidSet.InternalizeL( readStream );
       
  1044 		CleanupStack::PopAndDestroy(); // readStream
       
  1045 		}
       
  1046 		
       
  1047 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
  1048 	}
       
  1049 
       
  1050 // ------------------------------------------------------------------------------------------------
       
  1051 // RNSmlDSHostClient::MovedItemsL
       
  1052 // The Data Provider returns UIDs of items that are moved after previous synchronization.
       
  1053 // If the Data Provider uses hierarchical synchronization then moved folders must be placed
       
  1054 // first (from root to leaves) to UID set and finally items.
       
  1055 // ------------------------------------------------------------------------------------------------	
       
  1056 void RNSmlDSHostClient::MovedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1057 	{
       
  1058 	aResultCode = SendReceive( ENSmlDSItemsMoved, TIpcArgs( aId, &aStoreName ) );
       
  1059 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
  1060 	if ( aResultCode == KErrNone )
       
  1061 		{
       
  1062 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
  1063 		CleanupClosePushL( readStream );
       
  1064 		aUidSet.InternalizeL( readStream );
       
  1065 		CleanupStack::PopAndDestroy(); // readStream
       
  1066 		}
       
  1067 		
       
  1068 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
  1069 	}
       
  1070 
       
  1071 // ------------------------------------------------------------------------------------------------
       
  1072 // RNSmlDSHostClient::AllItemsL
       
  1073 // The Data Provider returns UIDs of items that are added, deleted, modified, softdeleted
       
  1074 // or moved after previous synchronization.
       
  1075 // ------------------------------------------------------------------------------------------------	
       
  1076 void RNSmlDSHostClient::AllItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1077 	{
       
  1078 	aResultCode = SendReceive( ENSmlDSItemsAll, TIpcArgs( aId, &aStoreName ) );
       
  1079 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( this ) ) );
       
  1080 	if ( aResultCode == KErrNone )
       
  1081 		{
       
  1082 		RMemReadStream readStream( iChunk.Base(), iChunk.Size() );
       
  1083 		CleanupClosePushL( readStream );
       
  1084 		aUidSet.InternalizeL( readStream );
       
  1085 		CleanupStack::PopAndDestroy(); // readStream
       
  1086 		}
       
  1087 		
       
  1088 	CleanupStack::PopAndDestroy(); // CancelAdjust
       
  1089 	}
       
  1090 
       
  1091 // ------------------------------------------------------------------------------------------------
       
  1092 // RNSmlDSHostClient::ResetChangeInfo
       
  1093 // Reset change info from the Data Provider. The result of this method is that the Data Provider
       
  1094 // sends just ADD commands to Sync Partner.
       
  1095 // ------------------------------------------------------------------------------------------------	
       
  1096 void RNSmlDSHostClient::ResetChangeInfo( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1097 	{
       
  1098 	aResultCode = SendReceive( ENSmlDSResetChangeInfo, TIpcArgs( aId, &aStoreName ) );
       
  1099 	}
       
  1100 		
       
  1101 // ------------------------------------------------------------------------------------------------
       
  1102 // RNSmlDSHostClient::CommitChangeInfoL
       
  1103 // This method is called after some changes are synchronized to Sync Partner. If some changes
       
  1104 // were synchronized correctly then those UIDs are included to aItems.
       
  1105 // ------------------------------------------------------------------------------------------------	
       
  1106 void RNSmlDSHostClient::CommitChangeInfoL( const MSmlDataItemUidSet& aItems, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode )
       
  1107 	{
       
  1108 	TStreamBuffers* sb = StreamBufferLC();
       
  1109 	aItems.ExternalizeL( *sb->iWrite );
       
  1110 	sb->iWrite->CommitL();
       
  1111 	AdjustChunkIfNeededLC( sb->iBuffer->Size() );
       
  1112 	
       
  1113 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
  1114 	CleanupClosePushL( writeStream );
       
  1115 	writeStream.WriteL( *sb->iRead );
       
  1116 	writeStream.CommitL();
       
  1117 	
       
  1118 	aResultCode = SendReceive( ENSmlDSCommitChanges, TIpcArgs( aId, &aStoreName ) );
       
  1119 	CleanupStack::PopAndDestroy(3); // writeStream, AdjustChunkIfNeededLC, sb
       
  1120 	}
       
  1121 
       
  1122 // ------------------------------------------------------------------------------------------------
       
  1123 // RNSmlDSHostClient::CommitChangeInfo
       
  1124 // This method is called after some changes are synchronized to Sync Partner. This method is used if
       
  1125 // all changes were synchronized correctly.
       
  1126 // ------------------------------------------------------------------------------------------------	
       
  1127 void RNSmlDSHostClient::CommitChangeInfo( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const
       
  1128 	{
       
  1129 	aResultCode = SendReceive( ENSmlDSCommitAllChanges, TIpcArgs( aId, &aStoreName ) );
       
  1130 	}
       
  1131 
       
  1132 // ------------------------------------------------------------------------------------------------
       
  1133 // RNSmlDSHostClient::UpdateServerIdL
       
  1134 // Replaces the give old server ID with new one.
       
  1135 // ------------------------------------------------------------------------------------------------	
       
  1136 void RNSmlDSHostClient::UpdateServerIdL( TDesC& aOldServerId, TDesC& aNewValue, TInt& aResultCode  )
       
  1137 	{
       
  1138 	AdjustChunkIfNeededLC( aOldServerId.Length() + aNewValue.Length() + 2*sizeof(TInt32) + 5 );
       
  1139 	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );
       
  1140 	CleanupClosePushL( writeStream );
       
  1141 	
       
  1142 	writeStream.WriteUint32L( aOldServerId.Length() );
       
  1143 	writeStream << aOldServerId;
       
  1144 	writeStream.WriteUint32L( aNewValue.Length() );
       
  1145 	writeStream << aNewValue;
       
  1146 	
       
  1147 	aResultCode = SendReceive( ENSmlDSUpdateServerId, TIpcArgs() );
       
  1148 	CleanupStack::PopAndDestroy(2); // writeStream, AdjustChunkIfNeededLC
       
  1149 	}
       
  1150 
       
  1151 // ------------------------------------------------------------------------------------------------
       
  1152 // RNSmlDSHostClient - private methods
       
  1153 // ------------------------------------------------------------------------------------------------
       
  1154 // ------------------------------------------------------------------------------------------------
       
  1155 // RNSmlDSHostClient::LaunchServer
       
  1156 // Starts Host Server.
       
  1157 // ------------------------------------------------------------------------------------------------
       
  1158 TInt RNSmlDSHostClient::LaunchServer( const TDesC& aServerName ) const
       
  1159 	{
       
  1160 	TInt result( KErrNone );
       
  1161 	
       
  1162 	TParse parser;
       
  1163 	if ( aServerName.Compare( KNSmlDSHostServer1Name ) == 0 )
       
  1164 		{
       
  1165 		parser.Set( KNSmlDSHostServer1Exe, &KDC_PROGRAMS_DIR, NULL );
       
  1166 		}
       
  1167 	else if ( aServerName.Compare( KNSmlDSHostServer2Name ) == 0 )
       
  1168 		{
       
  1169 		parser.Set( KNSmlDSHostServer2Exe, &KDC_PROGRAMS_DIR, NULL );
       
  1170 		}
       
  1171 	else
       
  1172 		{
       
  1173 		return KErrNotSupported;
       
  1174 		}
       
  1175 
       
  1176 	// DLL launch
       
  1177 	RProcess server;
       
  1178 	result = server.Create( parser.FullName(), KNullDesC );
       
  1179 
       
  1180 	// Loading failed.
       
  1181 	if ( result != KErrNone )
       
  1182 		{
       
  1183 		return result;
       
  1184 		}
       
  1185 	
       
  1186 	TRequestStatus status;
       
  1187 	server.Rendezvous( status );
       
  1188 
       
  1189 	if ( status != KRequestPending )
       
  1190 		{
       
  1191 		server.Kill( 0 );	// abort startup
       
  1192 		server.Close();
       
  1193 		return KErrGeneral;	// status can be KErrNone: don't return status.Int()
       
  1194 		}
       
  1195 	else
       
  1196 		{
       
  1197 		server.Resume();	// logon OK - start the server
       
  1198 		}
       
  1199 		
       
  1200 	User::WaitForRequest( status );
       
  1201 	
       
  1202 	result = status.Int();
       
  1203 	
       
  1204 	if ( status != KErrNone )
       
  1205 		{
       
  1206 		server.Close();
       
  1207 		}
       
  1208 
       
  1209 	return result;
       
  1210 	}
       
  1211 
       
  1212 	
       
  1213 // ------------------------------------------------------------------------------------------------
       
  1214 // RNSmlDSHostClient::StreamBufferLC
       
  1215 // ------------------------------------------------------------------------------------------------   
       
  1216 RNSmlDSHostClient::TStreamBuffers* RNSmlDSHostClient::StreamBufferLC() const
       
  1217 	{
       
  1218 	TStreamBuffers* cleanup = new ( ELeave ) TStreamBuffers;
       
  1219 	CleanupStack::PushL( TCleanupItem ( CleanupStreamBuffer, cleanup ) );
       
  1220 	cleanup->iBuffer = CBufFlat::NewL( 64 );
       
  1221 	cleanup->iWrite = new ( ELeave ) RBufWriteStream( *cleanup->iBuffer );
       
  1222 	cleanup->iRead = new ( ELeave ) RBufReadStream( *cleanup->iBuffer );
       
  1223 	return cleanup;
       
  1224 	}
       
  1225 	
       
  1226 // ------------------------------------------------------------------------------------------------
       
  1227 // RNSmlDSHostClient::CleanupStreamBuffer
       
  1228 // ------------------------------------------------------------------------------------------------
       
  1229 void RNSmlDSHostClient::CleanupStreamBuffer( TAny* aP )
       
  1230 	{
       
  1231 	TStreamBuffers* cleanup = reinterpret_cast<TStreamBuffers*>( aP );
       
  1232 	
       
  1233 	if ( cleanup->iWrite )
       
  1234 		{
       
  1235 		cleanup->iWrite->Close();
       
  1236 		delete cleanup->iWrite;
       
  1237 		}
       
  1238 		
       
  1239 	if ( cleanup->iRead )
       
  1240 		{
       
  1241 		cleanup->iRead->Close();
       
  1242 		delete cleanup->iRead;
       
  1243 		}
       
  1244 	
       
  1245 	delete cleanup->iBuffer;
       
  1246 	delete cleanup;
       
  1247 	}		
       
  1248 
       
  1249 // ------------------------------------------------------------------------------------------------
       
  1250 // RNSmlDSHostClient::AdjustChunkLC
       
  1251 // Ensures that chunk has at least required size or max size of reserved memory.
       
  1252 // ------------------------------------------------------------------------------------------------	
       
  1253 void RNSmlDSHostClient::AdjustChunkLC( TInt aRequiredSize ) const
       
  1254 	{
       
  1255 	const RNSmlDSHostClient* ptr = NULL;
       
  1256 	
       
  1257 	if ( iChunk.Size() < aRequiredSize )
       
  1258 		{
       
  1259 		TInt maxSize( iChunk.MaxSize() );
       
  1260 	
       
  1261 		if ( aRequiredSize > maxSize )
       
  1262 			{
       
  1263 			aRequiredSize = maxSize;
       
  1264 			}
       
  1265 			
       
  1266 		User::LeaveIfError( iChunk.Adjust( aRequiredSize ) );
       
  1267 		ptr = this;
       
  1268 		}
       
  1269 		
       
  1270 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( ptr ) ) );
       
  1271 	}
       
  1272 
       
  1273 // ------------------------------------------------------------------------------------------------
       
  1274 // RNSmlDSHostClient::AdjustChunkIfNeededLC
       
  1275 // Adjusts memory so that at least needed size is reserved.
       
  1276 // ------------------------------------------------------------------------------------------------    
       
  1277 void RNSmlDSHostClient::AdjustChunkIfNeededLC( TInt iNeededSize ) const
       
  1278 	{
       
  1279 	const RNSmlDSHostClient* ptr = NULL;
       
  1280 	
       
  1281 	if ( iChunk.Size() < iNeededSize )
       
  1282 		{
       
  1283 		User::LeaveIfError( iChunk.Adjust( iNeededSize ) );
       
  1284 		ptr = this;
       
  1285 		}
       
  1286 		
       
  1287 	CleanupStack::PushL( TCleanupItem ( CancelAdjust, const_cast<RNSmlDSHostClient*>( ptr ) ) );
       
  1288 	}
       
  1289 	
       
  1290 // ------------------------------------------------------------------------------------------------
       
  1291 // RNSmlDSHostClient::CancelAdjust
       
  1292 // restores chunk memory.
       
  1293 // ------------------------------------------------------------------------------------------------	
       
  1294 void RNSmlDSHostClient::CancelAdjust( TAny* aP )
       
  1295 	{
       
  1296 	if ( aP )
       
  1297 		{
       
  1298 		RNSmlDSHostClient* self = reinterpret_cast<RNSmlDSHostClient*>( aP );
       
  1299 		self->iChunk.Adjust( KNSmlDSHostChunkMinSize );
       
  1300 		}
       
  1301 	}		
       
  1302 
       
  1303 // ------------------------------------------------------------------------------------------------
       
  1304 // RNSmlDSHostClient::InternalizeFiltersL
       
  1305 // Reads filters from stream.
       
  1306 // ------------------------------------------------------------------------------------------------
       
  1307 void RNSmlDSHostClient::InternalizeFiltersL( RReadStream& aStream, RPointerArray<CSyncMLFilter>& aFilters ) const
       
  1308 	{
       
  1309 	aFilters.ResetAndDestroy();
       
  1310 	
       
  1311 	TInt count( aStream.ReadInt32L() );
       
  1312 	
       
  1313 	for ( TInt i = 0; i < count; i++ )
       
  1314 		{
       
  1315 		CSyncMLFilter* filter = CSyncMLFilter::NewLC( aStream );
       
  1316 		aFilters.AppendL( filter );
       
  1317 		CleanupStack::Pop(); // filter
       
  1318 		}
       
  1319 	}
       
  1320 	
       
  1321 // ------------------------------------------------------------------------------------------------
       
  1322 // RNSmlDSHostClient::ExternalizeFiltersL
       
  1323 // Writes filters to stream.
       
  1324 // ------------------------------------------------------------------------------------------------	
       
  1325 void RNSmlDSHostClient::ExternalizeFiltersL( RWriteStream& aStream, const RPointerArray<CSyncMLFilter>& aFilters ) const
       
  1326 	{
       
  1327 	TInt count( aFilters.Count() );
       
  1328 	aStream.WriteInt32L( count );
       
  1329 	for ( TInt i(0); i < count; i++ )
       
  1330 		{
       
  1331 		aFilters[i]->ExternalizeL( aStream );
       
  1332 		}
       
  1333 	}		
       
  1334 
       
  1335 // End of File