applayerprotocols/httptransportfw/httpmessage/rhttpmessagecomposer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:09:52 +0200
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "rhttpmessagecomposer.h"
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#include "chttpmessagecomposer.h"
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EXPORT_C void RHttpMessageComposer::OpenL(MHttpMessageComposerObserver& aObserver)
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/**
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	Opens the object.
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	@param		aObserver	The observer for the composer.
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	@panic		EInvariantFalse	This RHttpMessageComposer has already been opened.
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*/
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	{
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	__ASSERT_ALWAYS( iImplementation == NULL, User::Invariant() );
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	iImplementation = CHttpMessageComposer::NewL(aObserver);
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	}
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EXPORT_C void RHttpMessageComposer::Close()
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/**
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	Closes the object. Any resources are freed.
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*/
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	{
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	delete iImplementation;
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	iImplementation = NULL;
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	}
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EXPORT_C void RHttpMessageComposer::MessageInfoAvailable()
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/**
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	Notifies the composer that more message info is available. The composer can
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	continue composing the message.
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	@pre		The composer is waiting for more message info.
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	@post		The composer continues composing the message.
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	@panic		EHttpMessagePanicBadDataState	The composer was not waiting for
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												more info.
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*/
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	{
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	iImplementation->MessageInfoAvailable();
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	}
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EXPORT_C void RHttpMessageComposer::GetMessageData(TPtrC8& aData)
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/**
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	Get the current message data.
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	@panic		EHttpMessagePanicBadDataState	There is no current data buffer 
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												ready.
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	@pre		The observer has been notified of available message data.
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*/
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	{
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	iImplementation->GetMessageData(aData);
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	}
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EXPORT_C void RHttpMessageComposer::ReleaseMessageData()
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/**
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	Release the message data. The observer has finished with the current message 
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	data buffer. The composer can continue composing the message.
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	@panic		EHttpMessagePanicBadDataState	There is no current data buffer 
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												ready.
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	@pre		The observer has been notified of available message data.
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	@post		The composer continues composing the message.
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*/
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	{
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	iImplementation->ReleaseMessageData();
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	}
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EXPORT_C void RHttpMessageComposer::Reset()
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/**
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	Composer reset request. As the observer can reset the composer during one of 
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	the callback functions, the composer must check for re-entrancy to avoid 
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	releasing resources that are still required. If the composer is either 
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	waiting for more message info or is waiting to process its state machine, 
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	the composer can safely reset immediately. Otherwise the composer is being
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	reset from within its RunL() and so it must defer resetting itself until a
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	safer point - this is the point in the RunL() where the next step is decided.
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	@panic		EHttpMessagePanicDoubleReset	The composer has been reset twice
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												in one of the callback functions.
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*/
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	{
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	iImplementation->Reset();
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	}
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EXPORT_C TBool RHttpMessageComposer::CheckMessagePendingComplete()
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/**
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	Message may be fully composed and sent. Have not yet received confirmation from socket.
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*/
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	{
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	return iImplementation->CheckMessagePendingComplete();
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	}
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EXPORT_C void RHttpMessageComposer::Reserved_RHttpMessageComposer()
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/**
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	Reserved function.
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	@panic	EInvariantFalse	This function should not be called.
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*/
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	{
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	User::Invariant();
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	}