static async Task Main(string[] args)
{
var server = new WebSocketEchoServer(8888);
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(30));
var client = new WebSocketClient(new Uri("ws://localhost:8888"));
client.ConnectionOpened.SelectMany(OnConnectionOpened).Subscribe();
client.MessageReceived.Subscribe(OnMessageReceived);
client.ErrorOccured.Subscribe(OnErrorOccured);
client.ConnectionClosed.Subscribe(OnConnectionClosed);
var cts2 = new CancellationTokenSource();
cts2.CancelAfter(TimeSpan.FromSeconds(20));
await Task.WhenAll(server.Start(cts.Token), client.Connect(cts2.Token));
await client.DisposeAsync();
Console.Read();
}