--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smsprotocols/smsstack/smsu/inc/smsustrm.h	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,101 @@
+// Copyright (c) 1997-2009 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:
+// This file contains the header file of the Sms socket Buffers.
+// 
+//
+
+/**
+ @file
+*/
+
+
+#if !defined (__SMSUSTRM_H__)
+#define __SMSUSTRM_H__
+
+#if !defined(__E32STD_H__)
+#include <e32std.h>
+#endif
+
+#if !defined(__S32BUF_H__)
+#include <s32buf.h>
+#endif
+
+#if !defined(__S32STRM_H__)
+#include <s32strm.h>
+#endif
+
+
+class RSocket;
+
+/**
+ *  @publishedAll
+ *  @released
+ */
+const TInt KSmsMaxSegmentLength=0x100;
+
+
+/**
+ *  An SMS stream buffer to read and write over a socket.
+ *  @publishedAll
+ *  @released 
+ */
+class RSmsSocketBuf : public TStreamBuf
+	{
+public:
+	RSmsSocketBuf(RSocket& aSocket);
+private:
+// from TStreamBuf
+	TInt UnderflowL(TInt aMaxLength);
+	void OverflowL();
+	void DoSynchL();
+private:
+	void SocketWriteL();
+//
+	inline TInt Lag(TRead) const;
+	inline TInt Lag(TWrite) const;
+private:
+	RSocket& iSocket;
+	TUint8 iBuffer[KSmsMaxSegmentLength];
+	};
+
+
+/**
+ *  Stream that reads a CSmsMessage object across a socket.
+ *  @publishedAll
+ *  @released 
+ */
+class RSmsSocketReadStream : public RReadStream
+	{
+public:
+	IMPORT_C RSmsSocketReadStream(RSocket& aSocket);
+private:
+	RSmsSocketBuf iBuf;
+	};
+
+/**
+ *  Stream that writes a CSmsMessage object across a socket.
+ *  @publishedAll
+ *  @released 
+ */
+class RSmsSocketWriteStream : public RWriteStream
+	{
+public:
+	IMPORT_C RSmsSocketWriteStream(RSocket& aSocket);
+private:
+	RSmsSocketBuf iBuf;
+	};
+
+#include "smsustrm.inl"
+
+#endif // !defined __SMSUSTRM_H__