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/*
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* Copyright (c) 2002 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: Provides methods for client session implementation of calendar server.
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*
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*/
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//debug
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#include "calendarui_debug.h"
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#include "CalSvrClient.h"
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#include "CalSvrInitializer.h"
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#include "CalSvrDef.h"
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#include "CalServerSignaller.h"
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#include <e32base.h>
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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static TInt StartCalendarServer()
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{
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TRACE_ENTRY_POINT;
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TRequestStatus started;
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TCalServerStart start( started );
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const TUidType serverUid( KNullUid, KNullUid, KNullUid );
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//
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// EPOC is easy, we just create a new server process. Simultaneous
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// launching of two such processes should be detected when the
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// second one attempts to create the server object, failing with
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// KErrAlreadyExists.
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//
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RProcess server;
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const TInt ret=server.Create( KCalSvrServerExe, start.AsCommand(), serverUid );
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// Did we manage to create the thread/process?
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if(ret != KErrNone)
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{
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TRACE_EXIT_POINT;
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return ret;
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}
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// Wait to see if the thread/process died during construction
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TRequestStatus serverDiedRequestStatus;
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server.Rendezvous(serverDiedRequestStatus);
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// do we have to abort?
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if(serverDiedRequestStatus != KRequestPending)
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{
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server.Kill(0); // abort the sartup here
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}
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else
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{
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server.Resume(); // start server
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}
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User::WaitForRequest(serverDiedRequestStatus);
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// determine the reason for the server exit
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const TInt exitReason =(server.ExitType()==EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int();
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server.Close();
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TRACE_EXIT_POINT;
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return exitReason;
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}
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C RCalSvrSession::RCalSvrSession()
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:RSessionBase(), iListenerCallback(NULL), iInitializer(NULL)
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{
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TRACE_ENTRY_POINT;
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TRACE_EXIT_POINT;
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}
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// open/close
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RCalSvrSession::ConnectL()
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{
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TRACE_ENTRY_POINT;
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// connect to server
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TInt err( KErrNone );
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for( TInt tries(0); tries < 2; tries++ )
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{
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err = CreateSession( KCalendarServerName, TVersion(0,0,0) );
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if( !err )
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{
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// connected to existing server - ok
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break;
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}
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if( err != KErrNotFound && err != KErrServerTerminated )
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{
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// problems other than server not here - propagate error
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break;
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}
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err = StartCalendarServer();
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if( !err || (err==KErrAlreadyExists) )
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{
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// if server launched ok, try again to connect
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// OR
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// if someone else got there first, try again to connect
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continue;
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}
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break; // server not launched: don't cycle round again
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}
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User::LeaveIfError( err );
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CleanupClosePushL( *this ); // Close if next operation leaves
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iInitializer = new( ELeave )CCalSvrInitializer( *this );
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CleanupStack::Pop( this );
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TRACE_EXIT_POINT;
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}
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RCalSvrSession::Close()
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{
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TRACE_ENTRY_POINT;
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delete iInitializer;
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iInitializer = NULL;
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RSessionBase::Close();
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TRACE_EXIT_POINT;
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}
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///////////////////////////////
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// These are high-level client interface functions
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///////////////////////////////
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RCalSvrSession::Initialize(MCalSvrAgendaUpdateListener& aListener)
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{
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TRACE_ENTRY_POINT;
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//__ASSERT_ALWAYS(!iInitializer->IsActive(), User::Invariant());
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if(!(iInitializer->IsActive()) && (KRequestPending != iInitializer->iStatus.Int()))
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{
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iInitializer->Initialize(&aListener);
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}
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TRACE_EXIT_POINT;
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}
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RCalSvrSession::StopInitialization()
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{
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TRACE_ENTRY_POINT;
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iInitializer->Cancel();
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TRACE_EXIT_POINT;
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}
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RCalSvrSession::Uninitialize()
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{
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TRACE_ENTRY_POINT;
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if(iInitializer->IsActive())
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{
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iInitializer->Cancel();
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}
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SendReceive(ECalSvrUninitialize, TIpcArgs());
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TRACE_EXIT_POINT;
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}
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///////////////////////////////
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// These are low-level functions talking to server
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//////////////////////////////
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void RCalSvrSession::Initialize(TRequestStatus& aStatus)
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{
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TRACE_ENTRY_POINT;
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SendReceive(ECalSvrInitialize, TIpcArgs(), aStatus);
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TRACE_EXIT_POINT;
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}
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// -----------------------------------------------------------------------------
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// ?classname::?member_function
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// ?implementation_description
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void RCalSvrSession::CancelInitialize()
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{
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TRACE_ENTRY_POINT;
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SendReceive(ECalSvrCancelInitialize, TIpcArgs());
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TRACE_EXIT_POINT;
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}
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// End of File
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