S60 3rd Edition SDK for Symbian OS Example Applications Guide

SIPExSIPIdleState.cpp

/*
* ==============================================================================
*  Name        : SIPExSIPIdleState.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        "SIPExSIPIdleState.h"
#include        "SIPExSIPEngine.h"

#include <Uri8.h>
#include <sipstrings.h>
#include <SipStrConsts.h>

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

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

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

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

// -----------------------------------------------------------------------------
// CSIPExSIPIdleState::LinkStates()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CSIPExSIPIdleState::LinkStates(
        CSIPExSIPStateBase& aClientEstablishingState,
        CSIPExSIPStateBase& aServerOfferingState)
        {
        iClientEstablishingState = &aClientEstablishingState;
        iServerOfferingState = &aServerOfferingState;
        }

// -----------------------------------------------------------------------------
// CSIPExSIPIdleState::SendInviteL()
// Create and send an INVITE request to the recipient.
// -----------------------------------------------------------------------------
void CSIPExSIPIdleState::SendInviteL( 
    CSIPExSIPEngine& aEngine,
        const TDesC8& aSipUri )
        {
        // Retrieve the active profile and connection
        CSIPProfile& prof = aEngine.Profile();
        CSIPConnection& conn = aEngine.ConnectionL();

    // Create CUri8 from passed descriptor
    CUri8* uri8 = aEngine.ConvertToUri8LC( aSipUri );
    
        // Get dialog association, save for future use
        // The ownership of uri8 is transferred
        CSIPInviteDialogAssoc* dialogAssoc =
                CSIPInviteDialogAssoc::NewL( conn, uri8, prof );
        CleanupStack::Pop( uri8 );      
                
        aEngine.SetDialogAssoc( *dialogAssoc ); //Ownership is transferred!!

        // Create the necessary message elements
        CSIPMessageElements* msgElements = aEngine.CreateMessageElementsLC();

        // Send the INVITE in the dialog
        // The ownership of msgElements is transferred
        CSIPClientTransaction* tx = dialogAssoc->SendInviteL( msgElements );
        CleanupStack::Pop( msgElements );

        // Save the pointer to the transaction to the Engine
        aEngine.SetClientTx( tx );

        // Change machine state
        aEngine.SetCurrentState( iClientEstablishingState );
        }


// -----------------------------------------------------------------------------
// CSIPExSIPIdleState::InviteReceivedL()
// (other items were commented in a header).
// -----------------------------------------------------------------------------
void CSIPExSIPIdleState::InviteReceivedL( 
    CSIPExSIPEngine& aEngine,
        CSIPServerTransaction* aTransaction )
        {
        _LIT8( KLogEntry, "180 Ringing sent" );

        // Get dialog association, save for future use
        CSIPInviteDialogAssoc* dialogAssoc =
                CSIPInviteDialogAssoc::NewL( *aTransaction );
        aEngine.SetDialogAssoc( *dialogAssoc );
    
        // Create the necessary response elements and send
    CSIPResponseElements* elem =
        CSIPResponseElements::NewLC( 
            180, SIPStrings::StringF( SipStrConsts::EPhraseRinging ) );
    aTransaction->SendResponseL( elem );
    CleanupStack::Pop( elem );
        aEngine.Observer()->WriteLog( KLogEntry );

        // Get the From header from the request
        const CSIPRequestElements* reqElem = aTransaction->RequestElements();
        const CSIPFromHeader* fromHeader = reqElem->FromHeader();
        
        // Change machine state
        aEngine.SetCurrentState( iServerOfferingState );

    TUint32 iapId( 0 );
        User::LeaveIfError( 
                aEngine.Profile().GetParameter( KSIPAccessPointId, iapId ) );
        
        // Send user name from the From header to the Engine Observer 
        // as a parameter. Send also id of used IAP.
        aEngine.Observer()->InviteReceived( 
            fromHeader->SIPAddress().Uri8().Uri().Extract( EUriUserinfo ), iapId );
        }

// End of file

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© Nokia 2006