userlibandfileserver/fileserver/shostmassstorage/server/controller/include/cusbhostmslogicalunit.h
changeset 0 a41df078684a
child 33 0173bcd7697c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/shostmassstorage/server/controller/include/cusbhostmslogicalunit.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,96 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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
+ @internalTechnology
+*/
+
+#ifndef CUSBHOSTMSLOGICALUNIT_H
+#define CUSBHOSTMSLOGICALUNIT_H
+
+
+class MTransport;
+class MProtocol;
+
+/**
+This class represents a Logical Unit supporting SCSI Mass Storage Class. The
+class provides inteface methods to read, write and get the media capacity of the
+Logical Unit. Each instance is identified by the LUN.
+*/
+class CUsbHostMsLogicalUnit : public CBase
+{
+public:
+	static CUsbHostMsLogicalUnit* NewL(TLun aLun);
+	~CUsbHostMsLogicalUnit();
+private:
+    void ConstructL();
+    CUsbHostMsLogicalUnit(TLun aLun);
+
+public:
+	void InitL();
+	void UnInitL();
+	void ReadL(const RMessage2& aMessage);
+	void WriteL(const RMessage2& aMessage);
+	void EraseL(const RMessage2& aMessage);
+	void CapsL(const RMessage2& aMessage);
+
+	void NotifyChange(const RMessage2& aMessage);
+    void ForceCompleteNotifyChangeL();
+    void CancelChangeNotifierL();
+
+	void ReadyToSuspend();
+	TBool IsConnected();
+	TBool IsReadyToSuspend();
+	void CancelReadyToSuspend();
+
+	void SuspendL();
+	void ResumeL();
+	void DoLunReadyCheckL();
+
+	TInt InitialiseProtocolL(TLun aLun,
+                             THostMassStorageConfig& aConfig,
+                             MTransport& aTransport);
+
+    TLun Lun() const;
+
+private:
+    TInt CheckPosition(const TReadWrite& aReadWrite);
+
+    /** The Protocol interface (Owned by this class) */
+	MProtocol* iProtocol;
+    /** LUN */
+    TLun iLun;
+    /** The Size (updated by CapsL) */
+    TPos iSize;
+
+	TBool iSuspendRequest;
+    
+    RBuf8 iDataBuf;
+};
+
+
+/**
+Get the LUN
+
+@return TLun The LUN
+*/
+inline TLun CUsbHostMsLogicalUnit::Lun() const
+    {
+    return iLun;
+    }
+
+#endif // CUSBHOSTMSLOGICALUNIT_H
+