// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "ctestserverstreammanager.h"

#include <minputstream.h>

#include <moutputstream.h>

#include "httptestutils.h"

#include "chttpclienttestparams.h"

const TUint KCarriageReturn = '\r';

const TUint KLineFeed       = '\n';

const TUint KSpace          = ' ';

CLocalTestServerStreamManager* CLocalTestServerStreamManager::NewL(CHTTPTestUtils& aTestUtils, MInputStream* aInStream, MOutputStream* aOutStream, CHttpClientTestParamArray& aTestParamArray)

	{

	CLocalTestServerStreamManager* self = new(ELeave) CLocalTestServerStreamManager(aTestUtils, aInStream, aOutStream, aTestParamArray);

	CleanupStack::PushL(self);

	CleanupStack::Pop();	

	return self;

	} 

CLocalTestServerStreamManager::~CLocalTestServerStreamManager()

	{

    if(iInputStream != NULL)

        {

        iInputStream->Close();

        }

    if(iOutputStream != NULL)

        {

        iOutputStream->Close();

        }	

	delete iRequestStream;	

	delete iResponseStream;

	}

CLocalTestServerStreamManager::CLocalTestServerStreamManager(CHTTPTestUtils& aTestUtils, MInputStream* aInStream, MOutputStream* aOutStream, CHttpClientTestParamArray& aTestParamArray)

: iTestUtils(aTestUtils),

iInputStream(aInStream),

iOutputStream(aOutStream),

iTestParamArray(aTestParamArray)

	{

    iInputStream->Bind(*this);

    iOutputStream->Bind(*this);	

	}

// From MInputStreamObserver

void CLocalTestServerStreamManager::ReceivedDataIndL(const TDesC8& aBuffer)

	{

    _LIT(KTxtConnection, "Stream Manager - Data received.");

    iTestUtils.LogIt(KTxtConnection());

	if(iRequestStream == NULL)

	    {

	    iRequestStream = aBuffer.AllocL();

	    }

	else

	    {

	    // Check to see if the buffer needs to grow

        TInt maxLength  = iRequestStream->Des().MaxLength();

        TInt reqdLength = iRequestStream->Length() + aBuffer.Length();

	    if (reqdLength > maxLength)

	        {

	        HBufC8* largerBuffer = iRequestStream->ReAllocL(maxLength + aBuffer.Length());

	        // Switch buffers. The old one was removed by ReAlloc.

	        iRequestStream = largerBuffer;

	        }

	    // Can now append confidently

	    iRequestStream->Des().Append(aBuffer);

	    }

	   iInputStream->ReceivedDataRes();	    

	ProcessRequestStreamL();

	}

void CLocalTestServerStreamManager::SecureServerCnf()

	{

	}

void CLocalTestServerStreamManager::InputStreamCloseInd(TInt /* aError */)

	{

	iInputStream = NULL;		

	}

void CLocalTestServerStreamManager::MInputStreamObserver_Reserved()

	{

	}

MHttpResponse* CLocalTestServerStreamManager::CurrentResponse()

	{

	return NULL;		

	}

void CLocalTestServerStreamManager::OnReceiveTimeOut()	

	{

	}

// From MOutputStreamObserver

void CLocalTestServerStreamManager::SendDataCnfL()

	{

   _LIT(KTxtSendData, "Stream Manager - Sending data.");

    iTestUtils.LogIt(KTxtSendData());

	if(iSendingBodyData)

	    {

	    SendDataL ();

	    }

	else

	    {

	    if(iCurrentTestParam->RequestBody().Length() > 0)

	        {

	        iInputStream->ShutdownReq();

	        return;

	        }

	    if(iRequestStream == NULL)

	        return;

	    // Remove the current request from the request stream.

	    TPtr8 ptrStream = iRequestStream->Des();

	    TInt lenToRemove = iCurrentTestParam->RawRequest().Length();

	    TPtrC8 dataWindow;

	    if(lenToRemove < iRequestStream->Length())

	        {

	        dataWindow.Set(iRequestStream->Mid(lenToRemove));

	        }

	    TPtrC8 dataToCompare(iRequestStream->Ptr(), lenToRemove);

	    if(!iCurrentTestParam->IsFileSending() && iCurrentTestParam->RawRequest().CompareF(dataToCompare) != 0)

	        {

	        User::Leave(KErrCorrupt);

	        }

	    delete iRequestStream;

        iRequestStream = NULL;

        iRequestStream = dataWindow.AllocL();

	    if(iRequestStream->Length() > 0)

	        {

	        iCurrentTestParam = NULL;

	        iSendingBodyData = EFalse;

	        ProcessRequestStreamL();

	        }

	    }

	}

void CLocalTestServerStreamManager::SecureClientCnf()

	{

	}

void CLocalTestServerStreamManager::OutputStreamCloseInd(TInt /* aError */)

	{

	iOutputStream = NULL;		

	}

void CLocalTestServerStreamManager::MOutputStreamObserver_Reserved()

	{

	}

void CLocalTestServerStreamManager::OnSendTimeOut()

    {

    }

TInt CLocalTestServerStreamManager::SendTimeOutVal()

	{

	return 0;

	}

void CLocalTestServerStreamManager::SendDataL()

    {

    delete iResponseStream;

    iResponseStream = NULL;

    if(!iSendingBodyData)

        {

        iResponseStream = iCurrentTestParam->RawResponse().AllocL();

        iSendingBodyData = ETrue;

        }

    else

        {

        delete iResponseStream;

        iResponseStream = NULL;

        _LIT8(KPostMethod, "POST");

        if(iCurrentTestParam->RequestBody().Length() == 0 && iCurrentTestParam->Method().CompareF(KPostMethod()) == 0)

            {

            iCurrentTestParam->SinkFile().Close();

            iInputStream->ShutdownReq();

            return;

            }

        if(iCurrentTestParam->IsFileSending())

            {

            iResponseStream = iCurrentTestParam->ReadFromFile().AllocL();

            iSendingBodyData = iCurrentTestParam->IsPendingRead();

            }

        else

            {

            if(iCurrentTestParam->ResponseBody().Length() > 0)

                {

                iResponseStream = iCurrentTestParam->ResponseBody().AllocL();

                }

            iSendingBodyData = EFalse;

            }

        }

    if(iResponseStream)

        iOutputStream->SendDataReqL(*iResponseStream);

    }

void CLocalTestServerStreamManager::ProcessRequestStreamL()

    {

    if(iSendingBodyData)

        return;

    _LIT8(KResponseTimeoutURI, "GET /index17.html HTTP/1.1\r\nHost: 127.0.0.1\r\nUser-Agent: HTTP Client API Test\r\n\r\n");

    // First see whether we received a request. by checking whether the startline

    // exists.

    _LIT8(KLineEnd, "\r\n");

    TPtrC8 ptrStream(*iRequestStream);

    TInt pos = ptrStream.FindF(KLineEnd);

    if(pos != KErrNotFound)

        {

        // Ok now we have a URI that matches. Now check if the URI is a timeout URI.

        if(ptrStream.CompareF(KResponseTimeoutURI) != 0)

            {

            _LIT8(KPostMethod, "POST");

            TPtrC8 startLine = ptrStream.Left(pos);

            iCurrentTestParam = iTestParamArray.MatchingParam(startLine); 

            if(iCurrentTestParam && !iCurrentTestParam->NeedDisconnection() &&  iCurrentTestParam->Method().CompareF(KPostMethod) != 0

                    && (iCurrentTestParam->ResponseBody().Length() > 0 || iCurrentTestParam->IsFileSending()))

                {            

                SendDataL();

                }

            else if(iCurrentTestParam && iCurrentTestParam->NeedDisconnection())

                {

                iInputStream->ShutdownReq();

                } 

            else if(iCurrentTestParam && (ptrStream.Length() == iCurrentTestParam->RawRequest().Length()) && !iCurrentTestParam->IsFileSending())

                {

                SendDataL();

                }

            if(iCurrentTestParam && iCurrentTestParam->Method().CompareF(KPostMethod) == 0 && iCurrentTestParam->IsFileSending() && iCurrentTestParam->RequestBody().Length() == 0)

                {

                iWritingUploadFile = ETrue;

                }

            }

        }

    if(iWritingUploadFile)

        {

        iCurrentTestParam->WriteToFile(ptrStream);

        delete iRequestStream;

        iRequestStream = NULL;

        TInt reqLen =  iCurrentTestParam->RawRequest().Length();

        TInt totalLen = (reqLen + iCurrentTestParam->SendingFileSize());

        if(iCurrentTestParam->ReceivingFileSize() == totalLen)

            {

            SendDataL();

            }

        }

    }