/*

* Copyright (c) 2004 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:  Implementation

*

*/

#include <sipclienttransaction.h>

#include <sipconnection.h>

#include <sipcontactheader.h>

#include <sipfromheader.h>

#include <sipregistrationbinding.h>

#include <sipsubscribedialogassoc.h>

#include <siptoheader.h>

#include <sipdialog.h>

#include "CTcSIPConnectionContainer.h"

#include "TCmdSendSubscribe.h"

#include "SIPConstants.h"

/**

 * INPUT:

 *   Headers:		From, To*, Contact*, Content-Type*, Content-Encoding*,

 *					Accept*, Event*, Route*, Expires*

 *   Parameters:	Content*, RemoteURI*, Refresh*

 *   IDs:			RegistrationId*

 *

 * OUTPUT:

 *   Parameters:	-

 *   IDs:			TransactionId, SubscribeDialogId

 */

void TCmdSendSubscribe::ExecuteL()

	{

	// -- Setup ---------------------------------------------------------------

	// Select connection; either default or user specified (and existing)

	CSIPConnection& connection = SelectConnectionL().Connection();

	// Get SIP objects from registry

	CSIPRegistrationBinding* registration = GetRegistrationL( EFalse );

	TBool fromHeaderMandatory( ETrue );

	if( registration )

		{

		fromHeaderMandatory = EFalse;

		}

	// Extract required headers (From may be either mandatory or optional)

	CSIPToHeader* toHeader = ExtractToHeaderLC( EFalse );

	CSIPFromHeader* fromHeader = ExtractFromHeaderLC( fromHeaderMandatory );

	CSIPEventHeader* eventHeader = ExtractEventHeaderLC();

	// Extract optional headers

	CSIPContactHeader* contactHeader = ExtractContactHeaderLC( EFalse );

	// Conditionally create remote URI

	CUri8* remoteUri = ExtractRemoteURILC();

	// Construct the dialog object

	CSIPSubscribeDialogAssoc* dialogAssoc;

    if( registration )

		{

		dialogAssoc = CSIPSubscribeDialogAssoc::NewL(

								connection, remoteUri, *registration,

								eventHeader, fromHeader, toHeader, contactHeader );

		}

	else

		{

		dialogAssoc = CSIPSubscribeDialogAssoc::NewL(

											connection, fromHeader, remoteUri,

											eventHeader, toHeader, contactHeader );

		}	

	// Purge items from cleanup stack, now they are owned by CSIPInviteDialogAssoc

	// Some items are optional (i.e. NULL), so we've been tracking the number

	// of items in pushed to CleanupStack

	CleanupStack::Pop( iPushed );

	iPushed = 0;

	CleanupStack::PushL( dialogAssoc );

	// Conditionally create refresh object

	CSIPRefresh* refresh = ExtractRefreshLC();

	// Extract both headers (that are still left) and content.

	CSIPMessageElements* elements = ExtractHeadersAndContentLC();

	// -- Execution -----------------------------------------------------------

	// Start SIP Subscribe transaction.

	CSIPClientTransaction* transaction =

							dialogAssoc->SendSubscribeL( elements, refresh );

	CleanupStack::Pop( elements );

	if( refresh )

		{

		CleanupStack::Pop( refresh );

		}

	// -- Response creation ---------------------------------------------------

	AddIdResponseL( KTransactionId, transaction );	

	AddIdResponseL( KDialogId, dialogAssoc->Dialog() );

	CleanupStack::Pop( dialogAssoc );

	AddIdResponseL( KSubscribeDialogId, dialogAssoc );	

	}

TBool TCmdSendSubscribe::Match( const TTcIdentifier& aId )

	{

	return TTcSIPCommandBase::Match( aId, _L8("SendSubscribe") );

	}

TTcCommandBase* TCmdSendSubscribe::CreateL( MTcTestContext& aContext )

	{

	return new( ELeave ) TCmdSendSubscribe( aContext );

	}