private void WebSocket_MessageReceived(MessageWebSocket sender, MessageWebSocketMessageReceivedEventArgs args)
{
string serialized = "";
try
{
using (DataReader dataReader = args.GetDataReader())
{
dataReader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
serialized = dataReader.ReadString(dataReader.UnconsumedBufferLength);
Debug.WriteLine("Message received from MessageWebSocket: " + serialized);
}
}
catch (Exception ex)
{
Windows.Web.WebErrorStatus webErrorStatus = WebSocketError.GetStatus(ex.GetBaseException().HResult);
// Add additional code here to handle exceptions.
}
DispatchMessage(serialized);
}
public async void EstablishConnectionAsync()
{
while (context.MyWebSocket != null)
{
await Task.Delay(1000);
}
context.MyWebSocket = new MessageWebSocket();
context.MyWebSocket.Control.MessageType = SocketMessageType.Utf8;
context.MyWebSocket.MessageReceived += WebSocket_MessageReceived;
context.MyWebSocket.Closed += WebSocket_Closed;
try
{
connectTask = context.MyWebSocket.ConnectAsync(new Uri("ws://localhost:8123")).AsTask();
}
catch (Exception ex)
{
Windows.Web.WebErrorStatus webErrorStatus = WebSocketError.GetStatus(ex.GetBaseException().HResult);
}
}
private async void ReceiveMessageUsingStreamWebSocket()
{
try
{
using (var dataReader = new DataReader(this.streamWebSocket.InputStream))
{
dataReader.InputStreamOptions = InputStreamOptions.Partial;
await dataReader.LoadAsync(256);
byte[] message = new byte[dataReader.UnconsumedBufferLength];
dataReader.ReadBytes(message);
Debug.WriteLine("Data received from StreamWebSocket: " + message.Length + " bytes");
}
this.streamWebSocket.Dispose();
}
catch (Exception ex)
{
Windows.Web.WebErrorStatus webErrorStatus = Windows.Networking.Sockets.WebSocketError.GetStatus(ex.GetBaseException().HResult);
// Add code here to handle exceptions.
}
}
//使用了 WebSocket.org 回显服务器 — 将服务回显到向其发送任一消息的发送方。
protected override void OnNavigatedTo(NavigationEventArgs e)
{
this.messageWebSocket = new Windows.Networking.Sockets.MessageWebSocket();
// In this example, we send/receive a string, so we need to set the MessageType to Utf8.
this.messageWebSocket.Control.MessageType = Windows.Networking.Sockets.SocketMessageType.Utf8;
this.messageWebSocket.MessageReceived += WebSocket_MessageReceived;
this.messageWebSocket.Closed += WebSocket_Closed;
try
{
Task connectTask = this.messageWebSocket.ConnectAsync(new Uri("wss://echo.websocket.org")).AsTask();
connectTask.ContinueWith(_ => this.SendMessageUsingMessageWebSocketAsync("Hello, World!"));
}
catch (Exception ex)
{
Windows.Web.WebErrorStatus webErrorStatus = Windows.Networking.Sockets.WebSocketError.GetStatus(ex.GetBaseException().HResult);
// Add additional code here to handle exceptions.
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
this.streamWebSocket = new Windows.Networking.Sockets.StreamWebSocket();
this.streamWebSocket.Closed += WebSocket_Closed;
try
{
Task connectTask = this.streamWebSocket.ConnectAsync(new Uri("wss://echo.websocket.org")).AsTask();
connectTask.ContinueWith(_ =>
{
Task.Run(() => this.ReceiveMessageUsingStreamWebSocket());
Task.Run(() => this.SendMessageUsingStreamWebSocket(new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 }));
});
}
catch (Exception ex)
{
Windows.Web.WebErrorStatus webErrorStatus = Windows.Networking.Sockets.WebSocketError.GetStatus(ex.GetBaseException().HResult);
// Add code here to handle exceptions.
}
}
