userlibandfileserver/fileserver/shostmassstorage/server/controller/tlogicalunitlist.cpp
changeset 0 a41df078684a
child 33 0173bcd7697c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/shostmassstorage/server/controller/tlogicalunitlist.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,137 @@
+// 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
+*/
+
+#include <e32base.h>
+#include <e32base_private.h>
+#include <d32usbdi.h>
+
+#include <d32usbtransfers.h>
+#include "msctypes.h"
+#include "mscutils.h"
+#include "shared.h"
+#include "msgservice.h"
+#include "botmsctypes.h"
+
+#include "mprotocol.h"
+#include "mtransport.h"
+#include "cbulkonlytransport.h"
+#include "cusbhostmslogicalunit.h"
+#include "cusbhostmsdevice.h"
+#include "cusbmssuspendresume.h"
+
+#include "msdebug.h"
+#include "debug.h"
+
+TLogicalUnitList::~TLogicalUnitList()
+    {
+    __MSFNLOG
+    iLu.ResetAndDestroy();
+    }
+
+void TLogicalUnitList::AddLuL(CUsbHostMsLogicalUnit* aLu)
+    {
+    __MSFNLOG
+    __HOSTPRINT1(_L("Adding LU 0x%x"), aLu);
+    TInt r= FindLu(aLu->Lun());
+
+    if (r < 0)
+        {
+        if (r != KErrNotFound)
+            {
+            User::Leave(r);
+            }
+        }
+    else	// If it is able to find the lun already
+        {
+        User::Leave(KErrAlreadyExists);
+        }
+
+	User::LeaveIfError(iLu.Append(aLu));
+    }
+
+
+void TLogicalUnitList::RemoveLuL(TLun aLun)
+    {
+    __MSFNLOG
+    TInt index = FindLu(aLun);
+    User::LeaveIfError(index);
+
+    CUsbHostMsLogicalUnit* lu = iLu[index];
+    TRAPD(err, lu->UnInitL());
+    delete lu;
+    iLu.Remove(index);
+	if(err != KErrNone)
+		User::Leave(err);
+    }
+
+
+void TLogicalUnitList::RemoveAllLuL()
+    {
+    __MSFNLOG
+	TInt ret = KErrNone;
+    for (TInt index = 0; index < iLu.Count(); index++)
+        {
+        CUsbHostMsLogicalUnit* lu = iLu[index];
+        TRAPD(err, lu->UnInitL());
+        delete lu;
+        // set return flag for first error condition
+		if (ret == KErrNone && err != KErrNone)
+			ret = err;
+        }
+
+    iLu.Reset();
+    User::LeaveIfError(ret);
+    }
+
+TInt TLogicalUnitList::Count() const
+    {
+    __MSFNSLOG
+	return iLu.Count();
+	}
+
+TInt TLogicalUnitList::FindLu(TLun aLun) const
+    {
+    __MSFNSLOG
+
+    TInt index;
+    for (index = 0; index < iLu.Count(); index++)
+        {
+        __HOSTPRINT2(_L("search %d : interface id = %d\n"), aLun, iLu[index]->Lun());
+        if (iLu[index]->Lun() == aLun)
+            {
+            break;
+            }
+        }
+
+    if (index == iLu.Count())
+        {
+        return KErrNotFound;
+        }
+
+    return index; // Instead of KErrNone, we pass the index >= 0 of the aLun in the list
+    }
+
+CUsbHostMsLogicalUnit& TLogicalUnitList::GetLuL(TLun aLun) const
+    {
+    __MSFNSLOG
+    TInt index = FindLu(aLun);
+    User::LeaveIfError(index);
+    return *iLu[index];
+    }