os/kernelhwsrv/kerneltest/f32test/shostmassstorage/testclient/usbtestmsclient/cusbmassstoragesession.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kerneltest/f32test/shostmassstorage/testclient/usbtestmsclient/cusbmassstoragesession.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,188 @@
1.4 +// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Implements a Session of a Symbian OS server for the RUsbMassStorage API
1.18 +//
1.19 +//
1.20 +
1.21 +
1.22 +
1.23 +/**
1.24 + @file
1.25 + @internalTechnology
1.26 +*/
1.27 +
1.28 +#include <e32base.h>
1.29 +#include <f32file.h>
1.30 +
1.31 +#include "usbmsshared.h"
1.32 +#include "mstypes.h"
1.33 +#include "msctypes.h"
1.34 +#include "cusbmassstoragesession.h"
1.35 +#include "cusbmassstoragecontroller.h"
1.36 +#include "cusbmassstorageserver.h"
1.37 +
1.38 +#include "debug.h"
1.39 +#include "msdebug.h"
1.40 +
1.41 +/**
1.42 + Construct a Symbian OS session object.
1.43 +
1.44 + @param aServer Service the session will be a member of
1.45 + @param aMessage The message from the client.
1.46 + @return A new CUsbMassStorageSession object
1.47 + */
1.48 +CUsbMassStorageSession* CUsbMassStorageSession::NewL(CUsbMassStorageServer& aServer)
1.49 + {
1.50 + __MSFNSLOG
1.51 + CUsbMassStorageSession* r = new (ELeave) CUsbMassStorageSession(aServer);
1.52 + CleanupStack::PushL(r);
1.53 + r->ConstructL();
1.54 + CleanupStack::Pop();
1.55 + return r;
1.56 + }
1.57 +
1.58 +/**
1.59 + Constructor.
1.60 +
1.61 + @param aServer Service the session will be a member of
1.62 + */
1.63 +CUsbMassStorageSession::CUsbMassStorageSession(CUsbMassStorageServer& aServer)
1.64 + : iUsbMsServer(aServer)
1.65 + {
1.66 + __MSFNLOG
1.67 + }
1.68 +
1.69 +
1.70 +/**
1.71 + 2nd Phase Construction.
1.72 + */
1.73 +void CUsbMassStorageSession::ConstructL()
1.74 + {
1.75 + __MSFNLOG
1.76 + iUsbMsServer.IncrementSessionCount();
1.77 + if (iUsbMsServer.SessionCount() > 1)
1.78 + {
1.79 + __PRINT1(_L("\tiSessionCount: %d\n"), iUsbMsServer.SessionCount());
1.80 + // Only one session is allowed
1.81 + User::Leave(KErrInUse);
1.82 + }
1.83 + }
1.84 +
1.85 +
1.86 +/**
1.87 + Destructor.
1.88 + */
1.89 +CUsbMassStorageSession::~CUsbMassStorageSession()
1.90 + {
1.91 + __MSFNLOG
1.92 + iUsbMsServer.DecrementSessionCount();
1.93 + }
1.94 +
1.95 +/**
1.96 + Called when a message is received from the client.
1.97 +
1.98 + @param aMessage Message received from the client
1.99 + */
1.100 +void CUsbMassStorageSession::ServiceL(const RMessage2& aMessage)
1.101 + {
1.102 + __MSFNLOG
1.103 + DispatchMessageL(aMessage);
1.104 + }
1.105 +
1.106 +/**
1.107 + Handles the request (in the form of a the message) received from the client
1.108 +
1.109 + @internalTechnology
1.110 + @param aMessage The received message
1.111 + */
1.112 +void CUsbMassStorageSession::DispatchMessageL(const RMessage2& aMessage)
1.113 + {
1.114 + __MSFNLOG
1.115 + TInt ret = KErrNone;
1.116 +
1.117 + switch (aMessage.Function())
1.118 + {
1.119 + case EUsbMsStart:
1.120 + ret = Start(aMessage);
1.121 + break;
1.122 + case EUsbMsStop:
1.123 + ret = Stop();
1.124 + break;
1.125 + case EUsbMsShutdown:
1.126 + ret = Shutdown();
1.127 + break;
1.128 +
1.129 + default:
1.130 + aMessage.Panic(KUsbMsCliPncCat, EUsbMsPanicIllegalIPC);
1.131 + break;
1.132 + }
1.133 +
1.134 + aMessage.Complete(ret);
1.135 + }
1.136 +
1.137 +/**
1.138 + Client request to start the device.
1.139 +
1.140 + @return Any error that occurred or KErrNone
1.141 + */
1.142 +TInt CUsbMassStorageSession::Start(const RMessage2& aMessage)
1.143 + {
1.144 + __MSFNLOG
1.145 + __PRINT(_L("CUsbMassStorageSession::Start\n"));
1.146 +
1.147 + TMassStorageConfig msConfig;
1.148 + TRAPD(err, GetMsConfigL(aMessage, msConfig));
1.149 + if (err != KErrNone)
1.150 + {
1.151 + __PRINT(_L("Failed to get mass storage configuration data\n"));
1.152 + return err;
1.153 + }
1.154 +
1.155 + return iUsbMsServer.Controller().Start(msConfig);
1.156 + }
1.157 +
1.158 +/**
1.159 + Client request to stop the device.
1.160 +
1.161 + @return Any error that occurred or KErrNone
1.162 + */
1.163 +TInt CUsbMassStorageSession::Stop()
1.164 + {
1.165 + __MSFNLOG
1.166 + TInt err = iUsbMsServer.Controller().Stop();
1.167 + return err;
1.168 + }
1.169 +
1.170 +/**
1.171 + Client request to shut down the server
1.172 +
1.173 + @return KErrNone
1.174 + */
1.175 +TInt CUsbMassStorageSession::Shutdown()
1.176 + {
1.177 + __MSFNLOG
1.178 + CActiveScheduler::Stop();
1.179 + return KErrNone;
1.180 + }
1.181 +
1.182 + /**
1.183 + Get mass storage configuration data from the received message
1.184 + */
1.185 + void CUsbMassStorageSession::GetMsConfigL(const RMessage2& aMessage, TMassStorageConfig& aMsStorage)
1.186 + {
1.187 + __MSFNLOG
1.188 + aMessage.ReadL(0,aMsStorage.iVendorId);
1.189 + aMessage.ReadL(1,aMsStorage.iProductId);
1.190 + aMessage.ReadL(2,aMsStorage.iProductRev);
1.191 + }