| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (c) 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 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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|
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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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|
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|
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#include <e32std.h> |
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#include <f32file.h> |
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|
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#include "msmanclientserver.h" |
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#include "rusbhostsession.h" |
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#include "tmslog.h" |
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#include "debug.h" |
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|
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|
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TVersion RUsbHostSession::Version() const |
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{
|
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__MSFNSLOG |
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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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|
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|
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EXPORT_C RUsbHostSession::RUsbHostSession() |
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{
|
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__MSFNSLOG |
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} |
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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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__MSFNSLOG |
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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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|
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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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|
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|
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TInt RUsbHostSession::StartServer() |
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{
|
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__MSFNSLOG |
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|
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const TUidType serverUid(KNullUid, KNullUid, KUsbHostServerUid3); |
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|
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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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|
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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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|
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server.SetPriority(EPriorityHigh); |
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server.Resume(); // start the server |
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|
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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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|
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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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|
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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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} |