commsfwutils/commsbufs/inc/commsbufasyncrequest.h
changeset 0 dfb7c4ff071f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/inc/commsbufasyncrequest.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,55 @@
+// 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: Asynchronous allocation support to allocate shared buffer(s)
+//
+
+#ifndef __COMMSBUFASYNCREQUEST_H__
+#define __COMMSBUFASYNCREQUEST_H__
+
+#include <e32base.h>
+
+#include <es_commsbuf.h>
+#include <comms-infras/commsbufq.h>
+
+class RCommsBufChain;
+class CCommsBufAsyncRequest;
+/**
+Class that specialises the allocation of RCommsBuf asynchronously.
+
+@publishedPartner
+*/
+class RCommsBufAsyncRequest
+	{
+    friend class CSystemSharedBufPond;  
+	friend class RCommsBufPond;
+	friend class CMBufManager;
+	friend class RMBufAsyncRequest;
+	public:
+	IMPORT_C RCommsBufAsyncRequest();
+	IMPORT_C ~RCommsBufAsyncRequest();
+    IMPORT_C TInt Open(TCommsBufAllocator& aAllocator);
+    IMPORT_C void Close();
+	IMPORT_C void Alloc(RCommsBufChain& aChain, TInt aSize, TRequestStatus& aStatus);
+	IMPORT_C void Alloc(RCommsBufChain& aChain, TInt aSize, TInt aMinSize, TInt aMaxSize, TRequestStatus& aStatus);
+	IMPORT_C void Cancel();
+	
+	protected:
+	IMPORT_C void Complete(TInt aCode);	
+	
+	private:
+    IMPORT_C RCommsBufAsyncRequest(CCommsBufAsyncRequest* aImpl);
+	private:
+	CCommsBufAsyncRequest*     iAsyncReqImpl;
+	};
+
+#endif // __COMMSBUFASYNCREQUEST_H__