/*

 * TcpTestEngine.h

 *

 *  Created on: Jan 28, 2010

 *      Author: GUNAGI

 */

#ifndef TE_TCPSSLTESTENGINE_H_

#define TE_TCPSSLTESTENGINE_H_

#include <e32cons.h>

#include <c32comm.h>

#include <in_sock.h>

#include <es_sock.h> 

#include <f32file.h> 

#include <commdbconnpref.h>

/** Number of chars allowed for address & page settings */

const TInt KSettingFieldWidth = 128;

/** Global variables */

// File system sesion path

// IP file where the system IP is mentioned

//_LIT8(hostIpAddress, "10.225.164.117");

//const TInt KPortNum = 80;

_LIT8(hostIpAddress, "10.1.1.1");

const TInt KPortNum = 80;

/** Connection settings to access a server  */

struct TConnectSettings

    {

    /** Server address (as text) */

    TBuf<KSettingFieldWidth> iAddress;

    /** Server port */

    TInt iPortNum;

    /** Web page to get from the server */

    TBuf8<KSettingFieldWidth> iPage;

    };

/**

    Manages connection to a SSL web server.

*/

class CTcpSslTestEngine : public CActive

    {

public:

/**

Allocates and constructs a new engine.

@return New object

*/

    static CTcpSslTestEngine *NewL();

/**

Destructor.

*/

    ~CTcpSslTestEngine();

/**

Initiates the connection to a server and the transaction

    @param aAddress Server address (e.g. www.symbian.com or dotted decimal format)

    @param aPortNum Server port for secure web (e.g. 443)

    @param aPage Web page to get from the server. The leading `/` should be included, e.g. /webpage.html.

    @param aCipherSuite Cipher suites that client will tell server it supports (decimal). This 

    should be in decimal, with 2 characters, ie for suites 3,7,8,9, this field would be 03070809.

    By entering a single `0` for this field, the SSL default cipher suites will be passed.

    @param aCipher Cipher suite that server is expected to use (decimal). This is compared with 

    actual cipher for pass/fail. If this field is 0, no comparisons with the actual cipher 

    suite used will be made.

*/

    void ConnectL( const TConnectSettings& aConnectSettings );

/**

Sets the console to write messages to

@param aConsole The console

*/

    void SetConsole( CConsoleBase& aConsole );

/**

Sets the (opened) file to write server response to

@param aOutputFile The file

*/

    void SetOutputFile( RFile& aOutputFile );

    void Initialize();

    /**

Tests if the connection is in progress.

@return True if in progress else false

*/

    TBool InUse();

private:

    /** Engine states */

    enum TStates  

        {

        /** IP connection initiated */

        ESocketConnected,

        /** Setting the ciphers for a secure connection */

        ESettingCiphers,

        /** Secure socket request initiated */

        ESecureConnected,

        /** Send get page request to server */

        EGetRequestSent,

        /** Server has responded to request */

        EDataReceived,

        /** Connection closed down */

        EConnectionClosed

        };

private:

    /** Constructor. */

    CTcpSslTestEngine();    

    /** Second phase constructor. */

    void ConstructL();

    // Methods from CActive

    /** Previous state has completed. */

    void RunL();

    /** Cancel request */

    void DoCancel();

    /** Handles a leave occurring in RunL(). */

    TInt RunError( TInt aError );

    // Handle particular engine states

    /** Attempts secure connection. */

    void MakeConnectionL();

    /** Sends page request to server */ 

    void MakePageRequestL();

    /** Start getting server's response to the request */

    void GetServerResponseL();

    /** Finish getting server's response */

    void ReadServerResponseL();

    /** Handle connection completed */

    void ConnectionClosed();

private:

    // Sockets objects

    /** The socket server */

    RSocketServ iSocketServ;

    /** Socket to make connection on */

    RSocket iSocket;

    /** For resolving DNS addresses */

    RHostResolver iHostResolver;

    /** Server address */

    TInetAddr iInetAddr;

    // Connection parameters

    const TConnectSettings* iConnectSettings;

    // Transfer buffers and counters

    /** Data sent buffer */

    TPtr8 iSndBuffer;

    /** #bytes sent */

    TSockXfrLength iBytesSent;

    /** Data received buffer */

    TPtr8 iRcvBuffer;

    /** #bytes received */

    TInt iTotalBytesRead;

    /** For retries, after a delay */

    RTimer iTimer;

    /** Output console */

    CConsoleBase *iConsole;

    /** Output file */

    RFile* iOutputFile;

    // Flags and state

    /** True if the transation completed successfully */

    TBool       iSuccess;

    /** True if success on first attempt */

    TBool   iFirstRunFlag;

    /** True if connection is in progress */

    TBool   iInUse;

    /** Engine state (a TStates value) */

    TInt    iRunState;

    /** Counter for stopping making connections */

    TInt iCounter;

    RFs iFs;

    };

#endif /* TE_TCPSSLTESTENGINE_H_ */