/*

* Copyright (c) 2005 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:  DM tree etc.

*

*/

#include <s32mem.h>

#include <smldmadapter.h>

#include <data_caging_path_literals.hrh>

#include <nsmlconstants.h>

#include "nsmldmhostclient.h"

#include "nsmldmcmdarghandler.h"

#include "nsmldmtreedtd.h"

#include "nsmldmddf.h"

// FOTA

#include "nsmldmimpluids.h"

// FOTA end

const TInt KNSmlMinChunk = 4096;

//********************************

//RNSmlDMDataSession

//********************************

// ------------------------------------------------------------------------------------------------

//void RNSmlDMDataSession::RNSmlDMDataSession()

// ------------------------------------------------------------------------------------------------

RNSmlDMDataSession::RNSmlDMDataSession() :

    iCallback( NULL ),

	iMapUris( NULL ),

	iMapLuids( NULL ),

	iServerId( 0 ),

	iLargeObjectUri( NULL )

	{

	}

// ------------------------------------------------------------------------------------------------

//void RNSmlDMDataSession::~RNSmlDMDataSession()

// ------------------------------------------------------------------------------------------------

RNSmlDMDataSession::~RNSmlDMDataSession()

	{

	if(iMapUris!=0)

		{

		iMapUris->ResetAndDestroy();

		delete iMapUris;

		}

	if(iMapLuids!=0)

		{

		iMapLuids->ResetAndDestroy();

		delete iMapLuids;

		}

	delete iLargeObjectUri;

	}

// ------------------------------------------------------------------------------------------------

//void RNSmlDMDataSession::Connect()

// Connect to the  server - default number of message slots is four

// ------------------------------------------------------------------------------------------------

TInt RNSmlDMDataSession::ConnectL(const TDesC& aServerName,

	CNSmlDmDDF* aCallback)

	{

	iCallback = aCallback;

	TInt result( KErrNone );

	TVersion ver ( KNSmlDmHostServerVerMajor, KNSmlDmHostServerVerMinor,

		KNSmlDmHostServerVerBuild );

	result = CreateSession( aServerName, ver );

	if(result!=KErrNone)

		{

		if(aServerName.Compare(KNSmlDmHostServer1Name)==0)

			{

			result = LaunchServerL( KNSmlDmHostServer1Exe );

			iServerId = 1;

			}

		else if(aServerName.Compare(KNSmlDmHostServer2Name)==0)

			{

			result = LaunchServerL( KNSmlDmHostServer2Exe );

			iServerId = 2;

			}

		else if(aServerName.Compare(KNSmlDmHostServer3Name)==0)

			{

			result = LaunchServerL( KNSmlDmHostServer3Exe );

			iServerId = 3;

			}

		else if(aServerName.Compare(KNSmlDmHostServer4Name)==0)

			{

			result = LaunchServerL( KNSmlDmHostServer4Exe );

			iServerId = 4;

			}

		if ( result == KErrNone )

			{

			result = CreateSession( aServerName, ver );

			}

	return result; 

	}

// ------------------------------------------------------------------------------------------------

// void RNSmlDMDataSession::Version()

// Return the version number

// ------------------------------------------------------------------------------------------------

TVersion RNSmlDMDataSession::Version(void) const

	{

	TVersion ver ( KNSmlDmHostServerVerMajor, KNSmlDmHostServerVerMinor,

		KNSmlDmHostServerVerBuild );

	return ver;

	}

// ------------------------------------------------------------------------------------------------

// void RNSmlDMDataSession::Close()

// Close the session; makes call to server which deletes the object

// container and object index for this session

// ------------------------------------------------------------------------------------------------

void RNSmlDMDataSession::Close()

	{

	iChunk.Close();

	SendReceive(ENSmlDMCloseSession,TIpcArgs());

	RHandleBase::Close();

	if(iMapUris)

		{

		iMapUris->ResetAndDestroy();

		delete iMapUris;

		iMapUris = NULL;

		}

	if(iMapLuids)

		{

		iMapLuids->ResetAndDestroy();

		delete iMapLuids;

		iMapLuids = NULL;

		}

	delete iLargeObjectUri;

	iLargeObjectUri = NULL;

	}

// ------------------------------------------------------------------------------------------------

//void RNSmlDMDataSession::LaunchServer( const TDesC& aServerExeName )

// ------------------------------------------------------------------------------------------------

TInt RNSmlDMDataSession::LaunchServerL( const TDesC& aServerExeName )

	{

	TInt result( KErrNone );

	TParse parser;

	parser.Set ( aServerExeName, &KDC_PROGRAMS_DIR, NULL );

	RProcess server;

	result = server.Create( parser.FullName(), KNullDesC );

	// Process creation failed.

	User::LeaveIfError( result );

	TRequestStatus status;

	server.Rendezvous( status );

	if ( status != KRequestPending )

		{

		server.Kill( 0 );	// abort startup

		server.Close();

		return KErrGeneral;	// status can be KErrNone: don't return status.Int()

		}

	else

		{

		server.Resume();	// logon OK - start the server

		}

	User::WaitForRequest( status );

	result = status.Int();

	if ( status == KErrNone )

		{

		server.Close();

		}

	return result;

	}

// ------------------------------------------------------------------------------------------------

//TInt RNSmlDMDataSession::DDFStructureL(MSmlDmDDFObject& aDDF)

// ------------------------------------------------------------------------------------------------

TInt RNSmlDMDataSession::DDFStructureL(CNSmlDmMgmtTree& aRoot)

	{

	iChunk.Close();

	User::LeaveIfError(iChunk.CreateGlobal( KNullDesC,

		KNSmlDmHostChunkMinSize, KNSmlDmHostChunkMaxSize ));

	SendChunkHandle();

	RArray<TUint32> loadedAdapters;

	aRoot.FindLoadedAdaptersL(loadedAdapters);

	TUint8 count = loadedAdapters.Count();

	//1 byte for count and 4 bytes/implUid

	HBufC8* adaptersBuffer = HBufC8::NewLC(1+4*count);

	TPtr8 adapterBufPtr = adaptersBuffer->Des();

	RDesWriteStream writeStream(adapterBufPtr);

	CleanupClosePushL(writeStream);

	writeStream.WriteUint8L(count);

	for(TUint8 i=0;i<count;i++)

		{

		TUint32 uid = loadedAdapters[i];

		writeStream.WriteUint32L(uid);

		}

	loadedAdapters.Reset();

	loadedAdapters.Close();

	TPckgBuf<TInt> checkSum;

	TPckgBuf<TNSmlDmHostCallbackType> callbackCalled;

	TIpcArgs args(&adapterBufPtr,0,&checkSum,&callbackCalled);

	CleanupStack::PopAndDestroy(); //writeStream

	TInt errCode = SendReceive( ENSmlDMGetDDF, args );

	CleanupStack::PopAndDestroy(); //adaptersBuf

	if(errCode!=KErrNone)

		{

		return 0;

		}

	RMemReadStream readStream( iChunk.Base(), iChunk.Size() );

	CleanupClosePushL( readStream );

	aRoot.ParseWBXMLL(readStream);	

	CleanupStack::PopAndDestroy(); // readStream

	return checkSum();	

	}

// ------------------------------------------------------------------------------------------------

// RNSmlDMDataSession::HandleCallbacks(TNSmlDmHostCallbackType aCallbackType)

// handles callbacks

// ------------------------------------------------------------------------------------------------

void RNSmlDMDataSession::HandleCallbacksL(

	TNSmlDmHostCallbackType aCallbackType)

	{

	TNSmlDmHostCallbackType callbackType=aCallbackType;

	TPckgBuf<TNSmlDmHostCallbackType> callbackCalled;

	while(callbackType!=ENSmlDmCallbackNone)

		{

		if(callbackType==ENSmlDmCallbackMappings)

			{

           	_DBG_FILE("CNSmlDmDDF::HandleCallbacksL():mappings");

			TIpcArgs args(0,0,0,&callbackCalled);

			SendReceive( ENSmlDMGetMappings,args);

			callbackType = callbackCalled();

			RMemReadStream readStream( iChunk.Base(), iChunk.Size() );

			CleanupClosePushL( readStream );

			if(iMapUris==0)

				{

				iMapUris = new (ELeave) CArrayPtrSeg <HBufC8> (4);

				}

			if(iMapLuids==0)

				{

				iMapLuids = new (ELeave) CArrayPtrSeg <HBufC8> (4);

				}

			NSmlDmCmdArgHandler::ParseMappingsL(readStream,*iMapUris,

				*iMapLuids);

			for(TInt i=0;i<iMapUris->Count();i++)

				{

				if(iMapUris->At(i)->Length()&&iMapLuids->At(i)->Length())

					{

					iCallback->SetMappingL(*iMapUris->At(i),*iMapLuids->At(i));

					}

				}

			iMapUris->ResetAndDestroy();

			iMapLuids->ResetAndDestroy();

			CleanupStack::PopAndDestroy(); // readStream

			}

		else if(callbackType==ENSmlDmCallbackStatuses)

			{

           	_DBG_FILE("CNSmlDmDDF::HandleCallbacksL():statuses");

			TIpcArgs args(0,0,0,&callbackCalled);

			SendReceive( ENSmlDMGetStatuses,args);

			callbackType = callbackCalled();

			RMemReadStream readStream( iChunk.Base(), iChunk.Size() );

			CleanupClosePushL( readStream );

			RArray<TNSmlDmStatusElement> statusArray;

			CleanupClosePushL(statusArray);

			NSmlDmCmdArgHandler::ParseStatusesL(readStream,statusArray);

			for(TInt i=0;i<statusArray.Count();i++)

				{

				iCallback->SetStatusL(statusArray[i].iStatusRef,

					statusArray[i].iStatus);

				}

			CleanupStack::PopAndDestroy(2); // readStream, statusArray

			}

		else if(callbackType==ENSmlDmCallbackResults)

			{

           	_DBG_FILE("CNSmlDmDDF::HandleCallbacksL():results");

			TPckgBuf<TInt> dataLength;

			TIpcArgs args(0,0,&dataLength,&callbackCalled);

			SendReceive( ENSmlDMGetResults,args);

			callbackType = callbackCalled();

			RMemReadStream readStream( iChunk.Base(), iChunk.Size() );

			CleanupClosePushL( readStream );

			RPointerArray<CNSmlDmResultElement> resultArray;

			CleanupStack::PushL ( PtrArrCleanupItemRArr ( CNSmlDmResultElement, &resultArray ) );

			NSmlDmCmdArgHandler::ParseResultsL(readStream,resultArray);

			if(callbackType==ENSmlDmCallbackChunkFull)

			    {

               	_DBG_FILE("CNSmlDmDDF::HandleCallbacksL():results chunk full");

			    for(TInt i=0;i<resultArray.Count();i++)

				    {

				    iCallback->SetResultsL(resultArray[i]->iResultRef,

					    *resultArray[i]->iResult,*resultArray[i]->iMimeType,

					    dataLength(),iServerId-1);

    				}

			    }

			else

			    {

    			for(TInt i=0;i<resultArray.Count();i++)

    				{

    				iCallback->SetResultsL(resultArray[i]->iResultRef,

    					*resultArray[i]->iResult,*resultArray[i]->iMimeType,

    					resultArray[i]->iResult->Size(),iServerId-1);

    				}

				}

			CleanupStack::PopAndDestroy(2); // readStream,resultArray

			}

		else if(callbackType==ENSmlDmCallbackChunkFull)

			{

			callbackType=ENSmlDmCallbackNone;

			}

		else

			{

			callbackType=ENSmlDmCallbackNone;

			}

		} // end while

	}

// ------------------------------------------------------------------------------------------------

// RNSmlDMDataSession::SendChunkHandle

// Sends Chunk handle to SyncML DM Host Servers.

// ------------------------------------------------------------------------------------------------

TInt RNSmlDMDataSession::SendChunkHandle()

	{

	TIpcArgs args;

 	args.Set(0, iChunk);

 	args.Set(1, iServerId);

 	const TInt error = SendReceive( ENSmlDMChunkHandle, args );

 	return error;

	}

// ------------------------------------------------------------------------------------------------

// RNSmlDMDataSession::UpdateLeafL

// Sends update leaf IPC call to SyncML DM Host Servers.

// ------------------------------------------------------------------------------------------------

void RNSmlDMDataSession::UpdateLeafL(TUint32 aAdapterId,

	const TDesC8& aLuid,

	const TInt32 aStatusRef,

	const TDesC8& aURI,

	const TDesC8& aObject,

	const TDesC8& aType,

	const TBool aLargeItem,

	// FOTA

	const TInt aTotSizeOfLarge

	// FOTA end

	)

	{

	TPckgBuf<TNSmlDmHostCallbackType> callbackCalled(ENSmlDmCallbackNone);

	TInt dataLen = aObject.Length()

		+aURI.Length()+aType.Length()+aLuid.Length()+16;

		//16=4*4bytes, TInt = 4 bytes, each datasize must be stored to stream 

	if(dataLen<KNSmlMinChunk)

		{

		iChunk.Adjust(KNSmlMinChunk);

		}

	else

		{

		iChunk.Adjust(dataLen);

		}

	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );

	CleanupClosePushL( writeStream );

	NSmlDmCmdArgHandler::PacketDataL(writeStream,aLuid,aObject,aURI,aType);

	CleanupStack::PopAndDestroy(); // writeStream

	TInt ret(KErrNone);

	if(aLargeItem)

		{

		if(iLargeObjectUri)

			{

			if(iLargeObjectUri->Compare(aURI)==0)

				{

				TIpcArgs args(aAdapterId,aStatusRef,EFalse,&callbackCalled);

				ret = SendReceive( ENSmlDMUpdateLeafLarge,args);

				}

			else

				{

				ret = KErrGeneral;

				}

			}

		else

			{

			iLargeObjectUri=aURI.AllocL();

			// FOTA

			if ( aTotSizeOfLarge && aAdapterId == KNSmlDMFotaAdapterImplUid )

				{

				// For the FOTA adapter the third parameter is overloaded.

				// It contains the overall size of the large object.

				// The size information is sent only with the first chunk.

				TIpcArgs args(aAdapterId,aStatusRef,aTotSizeOfLarge,&callbackCalled);

				ret = SendReceive( ENSmlDMUpdateLeafLarge,args);

				}

			else

				{

				TIpcArgs args(aAdapterId,aStatusRef,EFalse,&callbackCalled);			

				ret = SendReceive( ENSmlDMUpdateLeafLarge,args);

				}

			// FOTA end

			}

		}

	else

		{

		if(iLargeObjectUri)

			{

			delete iLargeObjectUri;

			iLargeObjectUri=NULL;

			TIpcArgs args(aAdapterId,aStatusRef,ETrue,&callbackCalled);

			ret = SendReceive( ENSmlDMUpdateLeafLarge,args);

			}

		else

			{

			TIpcArgs args(aAdapterId,aStatusRef,0,&callbackCalled);

			ret = SendReceive( ENSmlDMUpdateLeaf,args);

			}

		}	

	TNSmlDmHostCallbackType callbackType = callbackCalled();

	if(callbackType!=ENSmlDmCallbackNone)

		{

		HandleCallbacksL(callbackType);

		}

	// FOTA

	if ( aAdapterId == KNSmlDMFotaAdapterImplUid && ret == KErrTooBig )

		{

		iCallback->SetStatusL(aStatusRef,MSmlDmAdapter::ETooLargeObject);

		delete iLargeObjectUri;

		iLargeObjectUri=NULL;		

		}

	// FOTA end

	else if(ret!=KErrNone)

		{

		iCallback->SetStatusL(aStatusRef,MSmlDmAdapter::EError);

		delete iLargeObjectUri;

		iLargeObjectUri=NULL;

		}

	}

// ------------------------------------------------------------------------------------------------

// RNSmlDMDataSession::AddNodeL

// Sends add node IPC call to SyncML DM Host Servers.

// ------------------------------------------------------------------------------------------------

void RNSmlDMDataSession::AddNodeL(const TUint32 aAdapterId,

	const TDesC8& aLuid,

	const TInt32 aStatusRef,

	const TDesC8& aURI)

	{

	TPckgBuf<TNSmlDmHostCallbackType> callbackCalled;

	iChunk.Adjust(KNSmlMinChunk);

	TIpcArgs args(aAdapterId,aStatusRef,0,&callbackCalled);

	RMemWriteStream writeStream( iChunk.Base(), iChunk.Size() );

	CleanupClosePushL( writeStream );

	NSmlDmCmdArgHandler::PacketDataL(writeStream,aLuid,KNullDesC8,

		aURI,KNullDesC8);

	CleanupStack::PopAndDestroy(); // writeStream

	SendReceive( ENSmlDMAddNode,args);

	TNSmlDmHostCallbackType callbackType = callbackCalled();