S60 3rd Edition SDK for Symbian OS Example Applications Guide

SIPExSIPEstablishedState.cpp

/*
* ==============================================================================
*  Name        : SIPExSIPEstablishedState.cpp
*  Part of     : SIPExSIPEngine
*  Interface   : 
*  Description : 
*  Version     : 
*
*  Copyright (c) 2004-2006 Nokia Corporation.
*  This material, including documentation and any related 
*  computer programs, is protected by copyright controlled by 
*  Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES
#include        "SIPExSIPEstablishedState.h"
#include        "SIPExSIPEngine.h"

#include <sipstrings.h>
#include <SipStrConsts.h>

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::CSIPExSIPEstablishedState
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
CSIPExSIPEstablishedState::CSIPExSIPEstablishedState()
        {
        }

// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::~CSIPExSIPEstablishedState
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
EXPORT_C CSIPExSIPEstablishedState::~CSIPExSIPEstablishedState()
        {
        }

// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::NewL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
EXPORT_C CSIPExSIPEstablishedState* CSIPExSIPEstablishedState::NewL()
        {
        CSIPExSIPEstablishedState* self =
                new (ELeave) CSIPExSIPEstablishedState();
        return self;
        }

// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::LinkStates()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CSIPExSIPEstablishedState::LinkStates(
        CSIPExSIPStateBase& aTerminatingState,
        CSIPExSIPStateBase& aTerminatedState )
        {
        iTerminatingState = &aTerminatingState;
        iTerminatedState = &aTerminatedState;
        }


// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::EndSessionL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
void CSIPExSIPEstablishedState::EndSessionL( CSIPExSIPEngine& aEngine )
        {
        // Get the current Dialog Association
        CSIPInviteDialogAssoc& dialogAssoc = aEngine.DialogAssoc();
        // Create the Message Elements object
        CSIPMessageElements* msgElements = aEngine.CreateMessageElementsLC();

        // Use the Dialog Association to send BYE request
        CSIPClientTransaction* tx = dialogAssoc.SendByeL( msgElements );
        aEngine.SetClientTx( tx );

        CleanupStack::Pop( msgElements );

        aEngine.SetCurrentState( iTerminatingState );
        }


// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::ByeReceivedL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
void CSIPExSIPEstablishedState::ByeReceivedL(
        CSIPExSIPEngine& aEngine,
        CSIPServerTransaction& aTransaction )
        {
        // Create and send response
    CSIPResponseElements* elem = 
        CSIPResponseElements::NewLC( 
            200, SIPStrings::StringF( SipStrConsts::EPhraseOk ) );
    aTransaction.SendResponseL( elem );
    CleanupStack::Pop( elem );

        // Inform observer
        aEngine.Observer()->SessionEnded();

        // Set state ???
        aEngine.SetCurrentState( iTerminatedState );
        }


// -----------------------------------------------------------------------------
// CSIPExSIPEstablishedState::ResponseReceivedL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
void CSIPExSIPEstablishedState::ResponseReceivedL(
        CSIPExSIPEngine& aEngine,
        CSIPClientTransaction& aTransaction )
        {
        // We might receive some 200 (OK) responses from the network
        // after the session has been established. These should be
        // ACKed, other responses indicate errors.

        const CSIPResponseElements* respElem = aTransaction.ResponseElements();

        TUint statusCode = respElem->StatusCode();

        if ( statusCode >= 200 && statusCode < 300 )
                {
                // Send ACK to remote party
                CSIPInviteDialogAssoc& dialogAssoc = aEngine.DialogAssoc();
                dialogAssoc.SendAckL( aTransaction );
                }
        else
                {
                aEngine.Observer()->EngineError( statusCode );
                }
        }


// -----------------------------------------------------------------------------
// CSIPExSIPStateBase::AckReceivedL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
void CSIPExSIPEstablishedState::AckReceivedL(
        CSIPExSIPEngine& aEngine,
        CSIPServerTransaction& /* aTransaction */)
        {
        aEngine.Observer()->InviteAcceptedByUs();
        }
        
// End of file

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© Nokia 2006