commonappservices/alarmserver/Client/Source/ASCliClientUtils.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 10:12:00 +0200
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// Copyright (c) 1999-2009 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 <ascliclientutils.h>
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// System includes
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#include <e32math.h>
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// User includes
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#include <asclidefinitions.h>
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//
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// ----> AlarmClientUtils (source)
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//
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/*
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 * Panic the client
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 */
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void AlarmClientUtils::Panic(TAlarmClientPanic aPanic)
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	{
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	_LIT(KAlarmServerClientPanic, "ALMSRVCLI");
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	User::Panic(KAlarmServerClientPanic, aPanic);
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	}
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/*
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 * Panic the client, indicating some form of logic error or terminal
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 * fault.
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 */
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void AlarmClientUtils::Fault(TAlarmClientFault aFault)
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	{
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	_LIT(KAlarmServerClientFault, "ALMSRVCLIFAULT");
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	User::Panic(KAlarmServerClientFault, aFault);
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	}
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EXPORT_C TInt AlarmClientUtils::StartAlarmServer()
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/** Starts the alarm server.
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@return KErrNone if successful, KErrAlreadyExists if the server is already 
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running, otherwise a system-wide error. */
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	{
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	//
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	// EPOC is easy, we just create a new server process. Simultaneous launching
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	// of two such processes should be detected when the second one attempts to
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	// create the server object, failing with KErrAlreadyExists.
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	//
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	RProcess server;
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	TInt ret = server.Create(ASCliDefinitions::ServerImageName(), KNullDesC, ASCliDefinitions::ServerUidType());
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	// Did we manage to create the thread/process?
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	if	(ret != KErrNone)
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		return ret;
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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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    TInt exitReason =(server.ExitType()==EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int();
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	server.Close();
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	return exitReason;
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	}