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// Copyright (c) 2009-2010 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 the License "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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/**
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@file
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@internalTechnology
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*/
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#include <e32std.h>
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#include <f32file.h>
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#include "msmanclientserver.h"
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#include "rusbhostsession.h"
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#include "debug.h"
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TVersion RUsbHostSession::Version() const
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{
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return(TVersion(KUsbHostSrvMajorVersionNumber,
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KUsbHostSrvMinorVersionNumber,
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KUsbHostSrvBuildVersionNumber));
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}
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EXPORT_C RUsbHostSession::RUsbHostSession()
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{
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}
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EXPORT_C TInt RUsbHostSession::Connect()
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{
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TInt retry = 2;
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for (;;)
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{
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TInt r = CreateSession(KUsbHostServerName, Version());
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if ((r != KErrNotFound) && (r != KErrServerTerminated))
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{
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return r;
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}
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if (--retry == 0)
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{
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return r;
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}
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r = StartServer();
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if ((r != KErrNone) && (r != KErrAlreadyExists))
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{
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return r;
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}
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}
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}
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TInt RUsbHostSession::StartServer()
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{
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const TUidType serverUid(KNullUid, KNullUid, KUsbHostServerUid3);
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// Create the server process
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RProcess server;
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TInt r = server.Create(KUsbHostServerName, KNullDesC, serverUid);
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if (r != KErrNone)
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{
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return r;
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}
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// Create the rendezvous request with the server process
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TRequestStatus status;
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server.Rendezvous(status);
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if (status != KRequestPending)
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{
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User::WaitForRequest(status);
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server.Kill(0); // If the outstanding request is not pending then kill the server
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server.Close();
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return status.Int();
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}
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server.SetPriority(EPriorityHigh);
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server.Resume(); // start the server
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// Test whether the process has ended and if it has ended, return how it ended.
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User::WaitForRequest(status);
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if (status == KRequestPending)
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{
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server.Close();
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return status.Int();
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}
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server.Close();
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return KErrNone;
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}
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EXPORT_C TInt RUsbHostSession::Start()
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{
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return SendReceive(EUsbHostStart);
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}
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