networkcontrol/ipscpr/src/asyncwriter.cpp
changeset 29 c0a997472b1c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkcontrol/ipscpr/src/asyncwriter.cpp	Fri Jun 11 15:15:43 2010 +0300
@@ -0,0 +1,70 @@
+// Copyright (c) 2005-2009 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:
+//
+
+#include "asyncwriter.h"
+
+
+CAsyncWriter* CAsyncWriter::NewL(CQoSMsgWriter* aWriter)
+	{
+	CAsyncWriter* self = new (ELeave) CAsyncWriter(aWriter);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+	
+CAsyncWriter::CAsyncWriter(CQoSMsgWriter* aWriter) :
+	CActive(EPriorityNormal),
+	iWriter(aWriter)
+	{
+        iPendingMsg.SetOffset(_FOFF(CQoSMsg, iLink));
+        }
+
+void CAsyncWriter::ConstructL()
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CAsyncWriter::Send(CQoSMsg* aMessage)
+	{
+	if (IsActive())
+ 		{
+ 		iPendingMsg.AddLast(*aMessage);
+ 		}
+ 	else
+ 		{
+ 		iWriter->Send(aMessage);
+ 		SetActive();
+ 		TRequestStatus* stat = &iStatus;
+ 		User::RequestComplete(stat,KErrNone);
+ 		}
+	}
+	
+void CAsyncWriter::RunL()
+	{
+	ASSERT(iWriter);
+	if (!iPendingMsg.IsEmpty())
+ 		{
+ 		CQoSMsg* msg = iPendingMsg.First();
+ 		iPendingMsg.Remove(*msg);
+ 		iWriter->Send(msg);
+ 		SetActive();
+ 		}
+	}
+	
+void CAsyncWriter::DoCancel()
+	{
+	//No code needed here becuase the request is completed immediately on activation
+	}