s-6_3.cs

public void LogRequest()
{
  if (OperationContext.Current == null) return;

  string msg = String.Empty;
  if (Properties.ContainsKey(RemoteEndpointMessageProperty.Name))
  {
    RemoteEndpointMessageProperty remote =
        Properties[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
    if (remote != null)                
        msg = string.Format("request from [{0}]:{1}\n", remote.Address, remote.Port);
  }
  else
    msg = "request from unknown source\n";

  msg = string.Concat(msg, Properties.ContainsKey("Encoder") ? 
      OperationContext.Current.RequestContext.RequestMessage.ToString() : 
      Properties.Via.ToString());

  Log.Info(msg);
}