/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd.

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the "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:

 * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Contributors:

 * Manasij Roy, Nalina Hariharan

 * 

 * Description:

 * SMF Server private implementation for Symbian

 *

 */

#include <QDataStream>

#include <QDebug>

#include <smfrelationmgr.h>

#include "smfpluginmanager.h"

#include "smfserversymbian_p.h"

SmfServerSymbian* SmfServerSymbian::NewL(CActive::TPriority aActiveObjectPriority,SmfServer* aWrapper)

	{

	SmfServerSymbian* self = new(ELeave) SmfServerSymbian(aActiveObjectPriority,aWrapper);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();

	return self;

	}

void SmfServerSymbian::ConstructL()

	{

	}

SmfServerSymbian::SmfServerSymbian( CActive::TPriority aActiveObjectPriority,SmfServer* aWrapper )

: CPolicyServer(0,myPolicy, ESharableSessions), iWrapper(aWrapper)

	{

	Q_UNUSED(aActiveObjectPriority)

	}

SmfServerSymbian::~SmfServerSymbian()

	{

	}

TInt SmfServerSymbian::addToSessionMap(SmfServerSymbianSession* aSession,const RMessage2& aMsg)

	{

	qDebug()<<"Inside SmfServerSymbian::addToSessionMap()";

	if(iSessionCount)

		{

		//The key generation 

		TInt key = qrand();

		//in case qrand generates any duplicate key

		while(iMap.Find(key))

			{

			key = qrand();

			}

		CSessionStruct session;

		session.iMsg = aMsg;

		session.iSession = aSession;

		iMap.Insert(key,session); 

		return key;

		}

	return (-1);

	}

TInt SmfServerSymbian::removeFromSessionMap(SmfServerSymbianSession* aSession,RMessage2& aMsg)

	{

	//To be implemented

	Q_UNUSED(aSession)

	Q_UNUSED(aMsg)

	return 0;

	}

SmfServer* SmfServerSymbian::wrapper()

	{

	return iWrapper;

	}

CSession2* SmfServerSymbian::NewSessionL(const TVersion& aVersion, const RMessage2& /*aMessage*/) const

	{

	qDebug()<<"Inside SmfServerSymbian::NewSessionL()";

	Q_UNUSED(aVersion)

	// Check that the version is OK

	//    TVersion v( 0, 1, 0 );

	//    if (!User::QueryVersionSupported( v, aVersion ))

	//        User::Leave( KErrNotSupported ); 

	// Create the session.

	qDebug()<<"New session created";

	return new (ELeave) SmfServerSymbianSession( const_cast<SmfServerSymbian*>(this) );

	}

SmfServerSymbianSession* SmfServerSymbian::findSession(TInt id)

	{

	qDebug()<<"Inside SmfServerSymbian::findSession()";

	CSessionStruct* sessionStruct = iMap.Find(id);	

	if(sessionStruct)

		{

		qDebug()<<"Session id found";

		return sessionStruct->iSession;

		}

	else

		{

		qDebug()<<"Session id not found";

		return NULL;

		}

	}

TInt SmfServerSymbian::findAndServiceclient(TInt requestID,QByteArray* parsedData,SmfError error)

	{

	qDebug()<<"Inside SmfServerSymbian::findAndServiceclient()";

	SmfServerSymbianSession* sessionToservice = findSession(requestID);

	if(sessionToservice)

		{

		sessionToservice->resultsAvailable(parsedData,error);

		}

	return 0;

	}

SmfServerSymbianSession::SmfServerSymbianSession(SmfServerSymbian* aServer):

			iServer(aServer), iIntfNameSymbian8(NULL,0),

			iProviderSymbian8(NULL,0), iXtraDataPtr8(NULL,0), 

			iPtr8DataForDSM(NULL,0), iPtr8DataFromDSM(NULL,0), 

			iPtrToDataForClient(NULL,0)  

	{

	iServer->iSessionCount++;

	}

SmfServerSymbianSession::~SmfServerSymbianSession()

	{

	qDebug()<<"Inside SmfServerSymbianSession::~SmfServerSymbianSession()";

	//cleanup of client resources

	iServer->iSessionCount--;

	}

#ifdef Q_FOR_FUTURE 

void SmfServerSymbianSession::clientAuthorizationFinished(bool success)

	{

	qDebug()<<"Inside SmfServerSymbianSession::clientAuthorizationFinished() = "<<success;

	//Client authorization failed

	if(!success)

		{

		//TODO:- Should use smf wide error instead

		iMessage.Complete(KErrPermissionDenied);

		}

	else

		{

		HandleClientMessageL(iMessage);

		}

	}

#endif

void SmfServerSymbianSession::resultsAvailable(QByteArray* parsedData,SmfError error)

	{

	qDebug()<<"Inside SmfServerSymbianSession::resultsAvailable()";

	//Note:- The order of serialization of parsedData - Error value followed by the data

	//parsedData is already serialized by PM

	//We should remove the request from the map as soon its no longer outstanding

	iServer->removeFromSessionMap(this,iMessage);

	//Note:- Session must take the ownership of the data being passed to the client session

	if(iDataForClient)

		{

		delete iDataForClient;

		iDataForClient = NULL;

		}

	iDataForClient = HBufC8::NewL(parsedData->size());

	iPtrToDataForClient.Set(iDataForClient->Des());

	iPtrToDataForClient.Copy(reinterpret_cast<const TText8*>(parsedData->constData()),parsedData->length());

	TInt writeErr = iMessage.Write(2,iPtrToDataForClient);

	qDebug()<<"iMessage.Write() = "<<writeErr;

	//signal completion for the last request

	iMessage.Complete(error);

	}

void SmfServerSymbianSession::ServiceL(const RMessage2& aMessage)

	{    

	qDebug()<<"Inside SmfServerSymbianSession::ServiceL() = "<<iMessage.Function();

	iMessage = aMessage;

#ifdef Q_FOR_FUTURE 

	//construct the client auth id

	SmfClientAuthID clientAuthID;

	clientAuthID.pid = aMessage.SecureId();

	clientAuthID.session = this;

#endif

	//TODO:- No client pid checking?No capability? So why symbian client-server?

	HandleClientMessageL(iMessage);

	}

void SmfServerSymbianSession::HandleClientMessageL(const RMessage2& aMessage)

	{

	qDebug()<<"Inside SmfServerSymbianSession::HandleClientMessageL() = "<<aMessage.Function();

	/**Note:- Only ESmfGetService needs to be taken care separately as it doesn't involve createrequest for PM

	 *See SmfRequestTypeID for list of opcodes

	 *

	 *Two cases,-

	 *1.for ESmfGetServices we donno the provider info

	 *2. for rest of the cases, we know the provider info

	 *so it seems PM needs to provide two overloaded getPlugins API But for every client intf instanciation

	 *we would execute the same things twice.

	 *TODO:- to be changed after GetServices returns SmfProvider+pluginID 

	 * 

	 */

	if( (SmfGetService == aMessage.Function()) 			||

		(SmfPostGetMaxCharsInPost == aMessage.Function())	||

		(SmfPostGetMaxItems == aMessage.Function())		||

		(SmfPostGetSupportedFormats == aMessage.Function())||

		(SmfPostGetAppearanceSupport == aMessage.Function()))

		{

		HandleSyncServiceL(aMessage);

		}

	else if (SmfCancelRequest == aMessage.Function())

		{

		HandleCancelRequest(aMessage);

		}

	else if(aMessage.Function() == SmfRelationCreate ||

			aMessage.Function() == SmfRelationAssociate || 

			aMessage.Function() == SmfRelationSearchById ||

			aMessage.Function() == SmfRelationSearchByContact ||

			aMessage.Function() == SmfRelationCount ||

			aMessage.Function() == SmfRelationGet ||

			aMessage.Function() == SmfRelationGetAll ||

			aMessage.Function() == SmfRelationGetAllRelations ||

			aMessage.Function() == SmfRelationDeleteRelation ||

			aMessage.Function() == SmfRelationRemove

			)

		{

		HandleDSMServiceL(aMessage);

		}

	else

		{

		HandleCommonServiceL(aMessage);

		}

	}

void SmfServerSymbianSession::HandleCancelRequest(const RMessage2 & aMessage)

	{

	SmfError err = SmfNoError;

	// iLastRequest contains the last operations opcode, cwhich is to be cancelled.

	bool ret = SmfPluginManager::getInstance(iServer->wrapper())->cancelRequest(iLastRequest);

	iErrBuf.Zero();

	iErrBuf.AppendNum(err);

	iMessage.Write(2,iErrBuf);

	aMessage.Complete(iLastRequest);

	}

void SmfServerSymbianSession::HandleDSMServiceL(const RMessage2 & aMessage)

	{

	qDebug()<<"Inside SmfServerSymbianSession::HandleDSMServiceL()";

	iLastRequest = aMessage.Function();

	//TODO:-If DSM takes care of deserialization and formation of User and social 

	//profile from the params then switch case can be removed

	if(iData8ForDSM)

		{

		delete iData8ForDSM;

		iData8ForDSM = NULL;

		}

	switch(iLastRequest)

		{

		case SmfRelationCreate:

			{

			iData8ForDSM = HBufC8::New(maxSmfRelationIdSize);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationAssociate:

			{

			int maxAlloc = 1000;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationRemove:

			{

			iData8ForDSM = HBufC8::New(100);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			break;

			}

		case SmfRelationSearchById:

			{

			int maxAlloc = MaxSmfContactSize;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationSearchByContact:

			{

			int maxAlloc = 500; // hard coded in relation manager

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationCount:

			{

			int maxAlloc = 100;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM);

			}

			break;

		case SmfRelationGet:

			{

			int maxAlloc = maxSmfRelationItemSize*maxRelationItems;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationGetAll:

			{

			int maxAlloc = maxSmfRelationItemSize*maxRelationItems;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			}

			break;

		case SmfRelationGetAllRelations:

			{

			int maxAlloc = maxSmfRelationItemSize*maxRelationItems;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			break;

			}

		case SmfRelationDeleteRelation:

			{

			int maxAlloc = 100;

			iData8ForDSM = HBufC8::New(maxAlloc);

			iPtr8DataForDSM.Set(iData8ForDSM->Des());

			TInt readerr0 = aMessage.Read(0,iPtr8DataForDSM); 

			break;

			}

		default:

			break;

		}

	//Convert into QByteArray

	QByteArray qtdataForDSM(reinterpret_cast<const char*>(iPtr8DataForDSM.Ptr()),iPtr8DataForDSM.Length()) ;

	QByteArray qtdataFromDSM;

	SmfRequestTypeID opcode = (SmfRequestTypeID)iLastRequest;

	SmfError dsmErr = iServer->wrapper()->sendToDSM(qtdataForDSM,opcode,qtdataFromDSM);

	if(dsmErr == SmfNoError)

		{

		if(qtdataFromDSM.size())

			{

			if(iData8FromDSM)

				{

				delete iData8FromDSM;

				iData8FromDSM = NULL;

				}

			int siz = qtdataFromDSM.size();

			qDebug()<<"Size of Data to be sent back thru DSM Create : "<<siz;

			iData8FromDSM = HBufC8::NewL(qtdataFromDSM.size());

			iPtr8DataFromDSM.Set(iData8FromDSM->Des());

			iPtr8DataFromDSM.Copy(reinterpret_cast<const TText8*>(qtdataFromDSM.constData()),qtdataFromDSM.length());

			TInt writeErr = aMessage.Write(1,iPtr8DataFromDSM);

			iDSMErr.Zero();

			TInt errInt = dsmErr;

			iDSMErr.AppendNum(errInt);

			writeErr = aMessage.Write(2,iDSMErr);

			}

		}

	else

		{

		iDSMErr.Zero();

		TInt errInt = dsmErr;

		iDSMErr.AppendNum(errInt);

		TInt writeErr = aMessage.Write(2,iDSMErr);

		}

	aMessage.Complete(iLastRequest);

	}

void SmfServerSymbianSession::HandleSyncServiceL(const RMessage2 & aMessage)

	{

	qDebug()<<"Inside SmfServerSymbianSession::HandleSyncServiceL()";

	iLastRequest = aMessage.Function();

	// Following is the data format sent by client

	// 1. SmfProvider +PageInfo flag+ aPageNum + aPerPage (if pageinfoflag is set) + XtraInfo flag(size of xtra data) Serialized 

	// 2. Interface name as string ("org.symbian.smf.client.gallery")

	// 3. Data pointer to be filled by serialized data(eg: QList<smfProvider>)

	// 4. Input Data if xtra flag is set

	TInt intfNameSize = aMessage.GetDesLength(1);

	if(iIntfNameBuf8)

		{

		delete iIntfNameBuf8;

		iIntfNameBuf8 = NULL;

		}

	iIntfNameBuf8 = HBufC8::NewL(intfNameSize);

	iIntfNameSymbian8.Set(iIntfNameBuf8->Des());

	//read it into iIntfNameSymbian8

	aMessage.ReadL(1,iIntfNameSymbian8);

	QByteArray intfName(reinterpret_cast<const char*>(iIntfNameSymbian8.Ptr()),iIntfNameSymbian8.Length()) ;

	QDataStream readIntfNameStream(&intfName,QIODevice::ReadOnly);

	iInterfaceID.clear();

	readIntfNameStream>>iInterfaceID;

	qDebug()<<"After de-serializing into iInterfaceID = "<<iInterfaceID;

	//Interface names are diff in client and plugin, replacing *.client.* with *.plugin.*

	iInterfaceID.replace(QString(".client"),QString(".plugin"));

	// for get services

	if(SmfGetService == aMessage.Function())

		HandleGetService(aMessage, iInterfaceID);

	// for other services

	else

		{

		// read provider info

		TInt providerSize = aMessage.GetDesLength(0);

		if(iProviderBuf8)

			{

			delete iProviderBuf8;

			iProviderBuf8 = NULL;

			}

		iProviderBuf8 = HBufC8::NewL(providerSize);

		iProviderSymbian8.Set(iProviderBuf8->Des());

		//read it into iProviderSymbian8

		aMessage.ReadL(0,iProviderSymbian8);

		//convert SmfProvider info from Symbian into bytearray

		QByteArray providerBufQt(reinterpret_cast<const char*>(iProviderSymbian8.Ptr()),iProviderSymbian8.Length());

		qDebug()<<"providerBufQt.size = "<<providerBufQt.size();

		//now de-serialize it

		QDataStream readProviderStream(&providerBufQt,QIODevice::ReadOnly);

		SmfProvider provider;

		readProviderStream>>provider;

		QByteArray XtraBufQt;

		readProviderStream>>XtraBufQt;

		//Get the plugin ID who matches provider info for a given intf name

		SmfPluginID pluginID = iServer->wrapper()->getPlugin(iInterfaceID,provider);

		qDebug()<<"pluginID from PM = "<<pluginID;

		//we need to check only this pluginID is authorized

		iPluginIDList.clear();

		iPluginIDList<<pluginID;

		//iAuthList will contain pluginID for a successfull case

		iAuthList.clear();

		iServer->wrapper()->getAuthorizedPlugins(iPluginIDList,iAuthList);

		if(iAuthList.contains(pluginID))

			{

			//Plugin ID is authorised, service the request

			//Generate request id only if the plugin ID is authorised

			//request PM to get the data

			SmfRequestTypeID opcode = (SmfRequestTypeID)aMessage.Function();

			resultData.clear();

			SmfError err = iServer->wrapper()->sendToPluginManager(pluginID,iInterfaceID,opcode,XtraBufQt, resultData);

			if(resultData.size())

				{

				TPtrC8 resultPtr8(reinterpret_cast<const TText8*>(resultData.constData()),resultData.length());

				TInt writeErr = aMessage.Write(2,resultPtr8);

				qDebug()<<"aMessage.Write(2) = "<<writeErr;

				}

			else