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/*
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* Copyright (c) 2002-2005 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: Session.
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*
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*/
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// INCLUDE FILES
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#include "cphsrvserver.h"
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#include "cphsrvsession.h"
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#include "cphsrvsubsessionbase.h"
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#include "phsrvsubsessionfactory.h"
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#include "phcltclientserver.h"
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// CONSTANTS
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CPhSrvSession::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CPhSrvSession* CPhSrvSession::NewL( CPhSrvServer& aServer )
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{
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CPhSrvSession* self = new ( ELeave ) CPhSrvSession();
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CleanupStack::PushL( self );
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self->ConstructL( aServer );
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CleanupStack::Pop();
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return self;
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::CPhSrvSession
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// C++ constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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//
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CPhSrvSession::CPhSrvSession()
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{
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::~CPhSrvSession
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CPhSrvSession::~CPhSrvSession()
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{
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if ( iServer )
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{
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iServer->CancelCreateAll( *this );
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}
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delete iObjectIx;
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if ( iContainer )
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{
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iServer->RemoveContainer( iContainer );
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iContainer = NULL;
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::ServiceL
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//
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// Calls DispatchMessageL under trap harness.
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::ServiceL( const RMessage2& aMessage )
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{
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TRAPD( err, ProcessRequestL( aMessage ) );
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if ( err != KErrNone )
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{
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aMessage.Complete( err );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::ProcessRequestL
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//
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// Checks the function specified by the client message
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// and depending on the type, performs an appropriate action.
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//
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// If the function is one of the "special" factory sub-session
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// creation op-codes, then this session will process it.
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//
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// If the function is a generic subsession function, then the
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// subsession which can handle this function is identified by
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// it's unique handle, and it is asked to process the request.
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//
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::ProcessRequestL( const RMessage2& aMessage )
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{
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if ( HandleCommandL( aMessage ) )
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{
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return;
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}
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const TInt function = aMessage.Function();
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const TUint32 sid = aMessage.SecureId().iId;
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// Is this a message that results in a new subsession?
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if ( PhSrvSubSessionFactory::PhSrvSubSessionFactoryIsCreationFunction(
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function ) )
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{
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if ( !PhSrvSubSessionFactory::PhSrvSubSessionFactoryIsCreationAllowed(
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function,
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sid ) )
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{
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aMessage.Complete( KErrPermissionDenied );
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}
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else
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{
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// Need to create a new subsession
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CPhSrvSubSessionBase* subSession =
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PhSrvSubSessionFactory::PhSrvSubSessionFactoryCreateLC(
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function,
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*this );
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// Add to container (takes ownership)
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iContainer->AddL( subSession );
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if (function != EPhoneServerImageHandlerSubSessionOpen )
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{
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CleanupStack::Pop( subSession );
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}
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// Get a handle for the object
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const TInt handle = iObjectIx->AddL( subSession );
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// Inform client of the handle its been allocated
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TPckg<TInt> handlePckg( handle );
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Write(
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aMessage,
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3,
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handlePckg );
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if ( !aMessage.IsNull() )
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{
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// Complete the message
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aMessage.Complete( KErrNone );
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}
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}
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}
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else
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{
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// Find an appropriate object and pass the message to it
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// for processing...
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const TInt handle = aMessage.Int3();
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// Fetch the sub-session by its handle
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CObject* object = iObjectIx->At( handle );
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if ( !object )
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{
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicInvalidHandle );
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}
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// We can cast the object to a subsession instance, since that's
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// all we store in the object container
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CPhSrvSubSessionBase* subSession =
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static_cast< CPhSrvSubSessionBase* >( object );
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if ( subSession )
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{
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// Check that the subsession can handle this request
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if ( !subSession->PhSrvMessageDecoderCanProcessMessage( function ) )
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{
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicInvalidHandle );
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}
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else
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{
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// Get it to process this request
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subSession->PhSrvMessageProcessorHandleMessageL( aMessage );
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}
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}
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::SubSessionCount
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//
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// Return the number of subsessions
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// -----------------------------------------------------------------------------
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//
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TInt CPhSrvSession::SubSessionCount() const
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{
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return iContainer->Count();
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::SubSessionA
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//
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// Return a subsession from an index
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// -----------------------------------------------------------------------------
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//
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CPhSrvSubSessionBase& CPhSrvSession::SubSessionAt( TInt aIndex ) const
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{
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return *static_cast< CPhSrvSubSessionBase* >( ( *iContainer )[ aIndex ] );
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::CloseSubsession
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//
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// Remove object from object index
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::CloseSubSession( const RMessage2& aMessage )
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{
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TInt handle = aMessage.Int3();
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CObject* obj = iObjectIx->At( handle );
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__ASSERT_ALWAYS( obj,
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicInvalidHandle ) );
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iObjectIx->Remove( handle );
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if ( !aMessage.IsNull() )
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{
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aMessage.Complete( KErrNone );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::PanicClient
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//
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// Panic the client's thread
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::PanicClient(
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const RMessage2& aMessage,
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TPhCltServerInitiatedPanic aPanic ) const
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{
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if ( !aMessage.IsNull() )
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{
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_LIT( KPhServerPanicCategory, "PhSrvServer" );
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aMessage.Panic( KPhServerPanicCategory, aPanic );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::ConstructL
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//
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// Symbian OS 2nd phase constructor
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::ConstructL( CPhSrvServer& aServer )
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{
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iContainer = aServer.NewContainerL();
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iObjectIx = CObjectIx::NewL();
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iServer = &aServer;
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::SubSessionUniqueHandle
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//
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// Return the unique handle for the specified subsession
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// -----------------------------------------------------------------------------
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//
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TInt CPhSrvSession::SubSessionUniqueHandle(
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const CPhSrvSubSessionBase& aSubSession ) const
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{
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// Ensure that the handle really is unique.
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// return iObjectIx->At( &aSubSession ); is unique only in same session.
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return reinterpret_cast<TInt>( &aSubSession );
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::PhoneServer
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//
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// Returns the Phone Server
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// -----------------------------------------------------------------------------
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//
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CPhSrvServer& CPhSrvSession::PhoneServer() const
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{
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return *static_cast< CPhSrvServer* >( const_cast< CServer2* >( Server() ) );
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::Write
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//
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// Write to the client address space. Panic client upon error
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::Write(
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const RMessage2& aMessage,
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TInt aLocation,
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const TDesC8& aDes,
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TInt aOffset )
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{
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TInt ret = aMessage.Write( aLocation, aDes, aOffset );
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if ( ret != KErrNone )
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{
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicBadDescriptor );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::Read
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//
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// Read from the client address space. Panic client upon error
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::Read(
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const RMessage2& aMessage,
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TInt aLocation,
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TDes8& aDes,
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TInt aOffset )
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{
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TInt ret = aMessage.Read( aLocation, aDes, aOffset );
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if ( ret != KErrNone )
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{
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicBadDescriptor );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::Read
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//
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// Read from the client address space. Panic client upon error
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::Read(
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const RMessage2& aMessage,
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TInt aLocation,
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TDes& aDes,
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TInt aOffset )
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{
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TInt ret = aMessage.Read( aLocation, aDes, aOffset );
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if ( ret != KErrNone )
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{
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PanicClient(
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aMessage,
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EPhCltServerInitiatedPanicBadDescriptor );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::CompleteCreateAll
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// -----------------------------------------------------------------------------
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//
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void CPhSrvSession::CompleteCreateAll( TInt aError )
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{
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if ( iCreateAll )
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{
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iCreateAll = EFalse;
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iCreateAllMsg.Complete( aError );
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}
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}
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// -----------------------------------------------------------------------------
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// CPhSrvSession::HandleCommandL
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// -----------------------------------------------------------------------------
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//
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TBool CPhSrvSession::HandleCommandL( const RMessage2& aMessage )
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{
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TBool result = EFalse;
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switch ( aMessage.Function() )
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{
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case EPhoneCreateAll:
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result = ETrue;
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iServer->CancelCreateAll( *this );
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iServer->CreateAllL( *this );
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iCreateAll = ETrue;
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iCreateAllMsg = aMessage;
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break;
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default:
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break;
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}
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return result;
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}
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// End of File
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