117 lines
3.7 KiB
C#
117 lines
3.7 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using ln.http.websocket;
|
|
using ln.logging;
|
|
using System.IO;
|
|
using ln.types;
|
|
using System.Text;
|
|
|
|
namespace ln.http.resources.websocket
|
|
{
|
|
public class WebSocketResourceRequestContext
|
|
{
|
|
public WebsocketResource WebsocketResource { get; }
|
|
public WebSocket WebSocket { get; }
|
|
public HttpRequest HttpRequest { get; }
|
|
|
|
public WebSocketResourceRequestContext(WebsocketResource websocketResource,WebSocket webSocket,HttpRequest httpRequest)
|
|
{
|
|
WebsocketResource = websocketResource;
|
|
WebSocket = webSocket;
|
|
HttpRequest = httpRequest;
|
|
}
|
|
}
|
|
|
|
public enum WSREvent { CONNECT, CLOSE }
|
|
public delegate void WSRConnection(WebsocketResource webSocketResource, WebSocket webSocket, WSREvent ev);
|
|
|
|
public class WebsocketResource : Resource
|
|
{
|
|
public event WSRConnection Connection;
|
|
|
|
public WebsocketResource(Resource container,String resourceName)
|
|
:base(container,resourceName)
|
|
{
|
|
}
|
|
|
|
public override void AddResource(Resource resource)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override bool Contains(string name)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override IEnumerable<Resource> GetResources()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override HttpResponse GetResponse(HttpRequest httpRequest)
|
|
{
|
|
MemoryStream buffer = null;
|
|
|
|
WebSocket webSocket = new WebSocket(httpRequest);
|
|
webSocket.WebSocketEvent += (WebSocket sender, WebSocketEventArgs e) => {
|
|
switch (e.EventType)
|
|
{
|
|
case WebSocketEventType.MESSAGE:
|
|
if (buffer == null)
|
|
buffer = new MemoryStream();
|
|
|
|
buffer.WriteBytes(e.BinaryMessage);
|
|
|
|
if (e.Frame.FIN)
|
|
{
|
|
WebSocketResourceRequestContext context = new WebSocketResourceRequestContext(
|
|
this,
|
|
webSocket,
|
|
httpRequest
|
|
);
|
|
|
|
if (e.IsBinary)
|
|
MessageReceived(context, buffer.ToArray());
|
|
else
|
|
MessageReceived(context, Encoding.UTF8.GetString(buffer.ToArray()));
|
|
|
|
buffer.Dispose();
|
|
buffer = null;
|
|
}
|
|
|
|
break;
|
|
}
|
|
};
|
|
|
|
try
|
|
{
|
|
Connection(this, webSocket, WSREvent.CONNECT);
|
|
webSocket.Run();
|
|
} catch (Exception e)
|
|
{
|
|
Logging.Log(e);
|
|
}
|
|
Connection(this, webSocket, WSREvent.CLOSE);
|
|
|
|
httpRequest.GetConnectionStream().Close();
|
|
return null;
|
|
}
|
|
|
|
public override void RemoveResource(Resource resource)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public virtual void MessageReceived(WebSocketResourceRequestContext requestContext,byte[] binaryMessage)
|
|
{
|
|
Logging.Log(LogLevel.WARNING, "WebSocketResource: received unhandled binary message: {0}",BitConverter.ToString(binaryMessage));
|
|
}
|
|
public virtual void MessageReceived(WebSocketResourceRequestContext requestContext, String textMessage)
|
|
{
|
|
Logging.Log(LogLevel.WARNING, "WebSocketResource: received unhandled text message: {0}", textMessage);
|
|
}
|
|
|
|
}
|
|
}
|