获取WCF客户端IP

/// <summary>
/// 获取WCF客户端IP
/// </summary>
public static string GetClientIp()
{
    MessageProperties messageProperties = OperationContext.Current.IncomingMessageProperties;
    RemoteEndpointMessageProperty endpointProperty = 
        messageProperties[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
    if (endpointProperty == null)
        return string.Empty;
    else
        return endpointProperty.Address;
}