usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/mscfileserver.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/mscfileserver.cpp Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,196 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+//
+
+
+/**
+ @file
+ Implements a Symbian OS server that exposes the RUsbMassStorage API
+ */
+
+#include <e32svr.h>
+#include "usbmscfileshared.h"
+#include "mscfileserver.h"
+#include "mscfilesession.h"
+#include "mscfileserversecuritypolicy.h"
+#include "mscfilecontroller.h"
+#include "debug.h"
+
+/**
+ Constructs a USB mass storage Server
+
+ @return a pointer to CMscFileServer object
+ */
+CMscFileServer* CMscFileServer::NewLC()
+ {
+ CMscFileServer* r = new (ELeave) CMscFileServer();
+ CleanupStack::PushL(r);
+ r->ConstructL();
+ return r;
+ }
+
+/**
+ Destructor
+ */
+CMscFileServer::~CMscFileServer()
+ {
+ TRACE_FUNC
+
+ delete iController;
+ }
+
+/**
+ Constructor
+
+ @param aController a USB mass storage controller reference
+ */
+CMscFileServer::CMscFileServer()
+ : CPolicyServer(EPriorityHigh, KMscFileServerPolicy)
+ {
+ }
+
+void CMscFileServer::ConstructL()
+ {
+ TRACE_FUNC
+
+ StartL( KMscFileServerName );
+
+ iController = CMscFileController::NewL();
+ }
+/**
+ Create a new session on this server
+
+ @param &aVersion Version of client
+ @return A pointer to a session object to be used for the client
+ */
+CSession2* CMscFileServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const
+ {
+ TRACE_FUNC
+ TVersion v( KUsbMsSrvMajorVersionNumber,
+ KUsbMsSrvMinorVersionNumber,
+ KUsbMsSrvBuildVersionNumber );
+
+ if ( !User::QueryVersionSupported( v, aVersion ) )
+ {
+ User::Leave( KErrNotSupported );
+ }
+
+ CMscFileServer* ncThis = const_cast<CMscFileServer*>(this);
+ CMscFileSession* sess = CMscFileSession::NewL(*ncThis);
+ return sess;
+ }
+
+
+/**
+ Inform the client there has been an error.
+
+ @param aError The error that has occurred
+ */
+void CMscFileServer::Error(TInt aError)
+ {
+ TRACE_STATE(( _L("!! CMscFileServer::Error( %d )"), aError ))
+
+ Message().Complete(aError);
+ ReStart();
+ }
+
+/**
+ Increment the open session count (iSessionCount) by one.
+
+ @post the number of open sessions is incremented by one
+ */
+void CMscFileServer::IncrementSessionCount()
+ {
+ TRACE_STATE(( _L(">< CMscFileServer::IncrementSessionCount( %d )"), iSessionCount ))
+ __ASSERT_DEBUG(iSessionCount >= 0, User::Panic(KUsbMsSvrPncCat, EUsbMsPanicIllegalIPC));
+
+ ++iSessionCount;
+ }
+
+/**
+ Decrement the open session count (iSessionCount) by one.
+
+ @post the number of open sessions is decremented by one
+ */
+void CMscFileServer::DecrementSessionCount()
+ {
+ TRACE_STATE(( _L(">< CMscFileServer::DecrementSessionCount( %d )"), iSessionCount ))
+ __ASSERT_DEBUG(iSessionCount > 0, User::Panic(KUsbMsSvrPncCat, EUsbMsPanicIllegalIPC));
+
+ --iSessionCount;
+ }
+
+void CMscFileServer::ThreadFunctionL()
+ {
+ TRACE_FUNC_ENTRY
+
+ // Naming the server thread after the server helps to debug panics
+ User::LeaveIfError( User::RenameThread( KMscFileServerName ) );
+
+ // Construct active scheduler
+ CActiveScheduler* activeScheduler = new ( ELeave ) CActiveScheduler;
+ CleanupStack::PushL( activeScheduler ) ;
+
+ // Install active scheduler
+ // We don't need to check whether an active scheduler is already installed
+ // as this is a new thread, so there won't be one
+ CActiveScheduler::Install( activeScheduler );
+
+ // Construct our server
+ CMscFileServer::NewLC(); // Anonymous
+
+ RProcess::Rendezvous( KErrNone );
+
+ // Start handling requests
+ CActiveScheduler::Start();
+
+ //===== thread stopped =====
+ TRACE_INFO(( _L( " MscFileServer thread stopped" ) ))
+ CleanupStack::PopAndDestroy( 2, activeScheduler ); // Anonymous CMscFileServer
+
+ TRACE_FUNC_EXIT
+ }
+
+
+TInt CMscFileServer::ThreadFunction( TAny* /*aNone*/ )
+ {
+ TRACE_FUNC_ENTRY
+ CTrapCleanup* cleanupStack = CTrapCleanup::New();
+ if ( !cleanupStack )
+ {
+ RThread::Rendezvous( KErrNoMemory );
+ }
+
+ TRAPD( err, ThreadFunctionL() )
+ if ( err != KErrNone )
+ {
+ TRACE_ERROR(( _L( "*** Error! Thread leaves w/ %d ***" ), err ))
+ RThread::Rendezvous( KErrNoMemory );
+ }
+
+ delete cleanupStack;
+ cleanupStack = NULL;
+
+ TRACE_FUNC_EXIT
+ return KErrNone;
+ }
+
+
+TInt E32Main()
+ {
+ return CMscFileServer::ThreadFunction( NULL );
+ }
+
+