diff -r 000000000000 -r af10295192d8 linklayercontrol/nullagt/TS_nullagt/src/NullAgentTestSteps.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayercontrol/nullagt/TS_nullagt/src/NullAgentTestSteps.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,124 @@
+// Copyright (c) 2002-2009 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:
+// Contain the implementation of the class for this null agent test
+// 
+//
+
+#include <f32file.h>
+#include "NullAgentTestSteps.h"
+
+// Constructor
+NullAgentTestStep::NullAgentTestStep()
+{
+}
+
+// Destructor
+NullAgentTestStep::~NullAgentTestStep()
+	{ 
+	}	
+
+enum TVerdict NullAgentTestStep::doTestStepPreambleL(void)
+{
+	enum TVerdict result = EPass;
+
+	/*
+	 * Wait for all of the interfaces to close down
+	 */
+
+	RSocketServ ss;
+	
+	ss.Connect();
+	CleanupClosePushL(ss);
+
+	if (KErrNone == WaitForAllInterfacesToCloseL(ss))
+		result = EPass;
+	else
+		result = EFail;
+
+	ss.Close();
+	CleanupStack::Pop();
+
+	return result;
+}
+
+TInt NullAgentTestStep::WaitForAllInterfacesToCloseL(RSocketServ& ss)
+/*
+ * Sit around waiting for all the interfaces to die (essentially poll every now 
+ * and again until there are zero interfaces in this socket server left)
+ * @return system wide error code
+ */
+	{
+	TInt err;
+	TUint numOfConnections;
+	TUint count = 0;
+
+	RConnection conn;
+
+	err = OpenConnection(conn, ss);
+	TESTEL(KErrNone == err, err);
+	CleanupClosePushL(conn);
+
+	err = EnumerateConnections(conn, numOfConnections);
+	TESTEL(KErrNone == err, err);
+
+	while ((0 != numOfConnections) && (count < 60))
+	{
+		count++;
+		User::After(1000000); // wait a bit, a second sounds good
+		err = EnumerateConnections(conn, numOfConnections);
+	}
+
+	CloseConnection(conn);
+	CleanupStack::Pop();
+
+	if (numOfConnections != 0)
+		{
+		return KErrTimedOut;
+		}
+
+	return KErrNone;
+	}
+
+TInt NullAgentTestStep::OpenConnection(RConnection& conn, RSocketServ& ss)
+/*
+ * Open the connection using the socket server too
+ * @param conn the connection to open
+ * @param ss the socket server within which the connection is to be opened
+ * @return system wide error code
+ */
+{
+	return (conn.Open(ss));
+}
+
+TInt NullAgentTestStep::EnumerateConnections(RConnection& conn, TUint& num)
+/*
+ * Read how many connections (==interfaces?) exist at the moment
+ * @param conn - to be used to read the count
+ * @param num - on completion holds the number of connections
+ * @return system wide error code
+ */
+{
+	return (conn.EnumerateConnections(num));
+}
+
+void NullAgentTestStep::CloseConnection(RConnection& conn)
+/*
+ * Close a connection
+ * @param conn the connection to close
+ * @return system wide error code
+ */
+{
+	conn.Close();
+}
+