/*

* Copyright (c) 2006 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:   Contains implementation for connectivity test with HTTP

*

*/

#ifndef ICTSHTTPHANDLER_H

#define ICTSHTTPHANDLER_H

#include <ecom/ecom.h>

#include <es_enum.h>

#include <http.h>

#include "ictscommon.h"

class CIctsEngine;

/**

 *  Handles HTTP related things.

 *

 *  Sends HTTP GET using HTTP FW. Returns results to the caller.

 *

 *  @lib ictsclientinterface.lib

 */

class CIctsHttpHandler : public CTimer, 

                         public MHTTPTransactionCallback

    {

    public:

        /**

        * Static constructor.

        */    

        static CIctsHttpHandler* NewL( CIctsEngine& aOwner,

                                        TInt aHttpResponseTime );

        /**

        * Destructor.

        */

        virtual ~CIctsHttpHandler();

        /**

        * Send HTTP GET request 

        *

        * @param aIPAddress IP address

        * @param aIapID IAP id

        * @param aNetworkId Network id

        * @return KErrNone if successful

        */

        TInt SendHttpRequestL( TDesC8& aIPAddress, 

                                 TUint32 aIapID, 

                                   TUint32 aNetworkId );

        /**

        * Cancels HTTP GET request 

        *

        * @return None

        */

        void CancelHttpRequestL();

    public: // from MHTTPTransactionCallback

        /**

        * Callback for HTTP FW to call when HTTP events occur

        *

        * @param aTransaction HTTP transaction

        * @param aEvent HTTP event

        * @return None

        */

        virtual void MHFRunL( RHTTPTransaction aTransaction, 

                                const THTTPEvent& aEvent);

        /**

        * Callback for HTTP FW to call when HTTP errors occur

        *

        * @param aError error code

        * @param aTransaction HTTP transaction

        * @param aEvent HTTP event

        * @return None

        */                        

        virtual TInt MHFRunError( TInt aError, 

                                    RHTTPTransaction aTransaction, 

                                      const THTTPEvent& aEvent);

    protected:  // Functions from base classes

        /**

        * From CActive Handles an active object's request completion event.

        */

        void RunL();

    private:

        /**

        * C++ default constructor.

        *

        * @param aOwner Owner of this instance

        * @param aHttpResponseTime Max time for response

        */

        CIctsHttpHandler( CIctsEngine& aOwner, TInt aHttpResponseTime );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Set HTTP connection info 

        *

        * @param aConnection Network connection

        * @param aSocketServ Socket server

        * @return None

        */

        void SetHttpConnectionInfoL( RConnection& aConnection, 

                                       RSocketServ& aSocketServ );

        /**

        * Send HTTP request 

        *

        * @param aIp IP address

        * @return None

        */

        void SendHttpGetL( TDesC8& aIp ); 

        /**

        * Check http prefix in URL/IP address

        *

        * @param aIPAddress URL

        * @return ETrue if found, else EFalse

        */ 

        TBool CheckHttp( TDesC8& aIPAddress );

        /**

        * Checks if HTTP status code is a redirect (301,302,303,307)

        *

        * @param aTransaction HTTP transactionL

        * @return ETrue if found, else EFalse

        */

        TBool CheckStatusCodeL( RHTTPTransaction aTransaction );

    private: // data

        /**

        * Handle to HTTP session

        * Own.  

        */

        RHTTPSession iHttpSession;

        /**

        * Handle to HTTP transaction

        * Own.  

        */

        RHTTPTransaction iHttpTransaction;

        /**

        * Handle to socket server

        * Own.  

        */

        RSocketServ iSocketServ;

        /**

        * Handle to connection

        * Own.  

        */

        RConnection iConnection;

        /**

        * String from HTTP FW

        */

        TBuf< KHttpResponseLength > iString;

        /**

        * Reference of owner class

        * Not Own.  

        */

        CIctsEngine& iOwner;

        /**

        * Waiting time of HTTP response 

        */

        TInt iHttpResponseTime;

        /**

        * Is attached to connection

        */

        TBool iAttachDone;

    };

#endif // ICTSHTTPHANDLER_H