protected override void Decode(IChannelHandlerContext ctx, IHttpRequest msg, List <object> output)
{
try
{
string uri = msg.Uri;
switch (uri)
{
case "/handshake":
var connectionInfo = channelGroup.FindConnectionInfo(ctx.Channel);
if (connectionInfo == null)
{
channelGroup.Add(new ConnectionInfo(ctx.Channel, this.Options));
}
ctx.Channel.Pipeline.FireUserEventTriggered(new HandShakeEvent());
break;
default:
var message = messageFactory.Parse(uri);
if (message != null)
{
output.Add(message);
}
break;
}
}
finally
{
ReferenceCountUtil.Release(msg);
}
}
protected override void ChannelRead0(IChannelHandlerContext ctx, IChannel child)
{
var connectionInfo = channelGroup.FindConnectionInfo(child);
if (connectionInfo == null)
{
channelGroup.Add(new ConnectionInfo(child, this._options));
}
ctx.FireChannelRead(child);
}
protected override void ChannelRead0(IChannelHandlerContext ctx, DatagramPacket msg)
{
var message = messageFactory.Parse(msg.Content);
if (message == null || int.Parse(message.Headers.Get(Constants.Headers.ContractId)) != (int)ContractType.HandShake)
{
return;
}
IChannel child = new UdpSocketDatagramChannel(ctx.Channel, msg.Sender);
var connectionInfo = channelGroup.FindConnectionInfo(child);
if (connectionInfo == null)
{
channelGroup.Add(new ConnectionInfo(child, this._options));
}
ctx.FireChannelRead(child);
}
protected override void Decode(IChannelHandlerContext ctx, IFullHttpRequest req, List <object> output)
{
// Handle a bad request.
if (!req.Result.IsSuccess)
{
SendHttpResponse(ctx, req, new DefaultFullHttpResponse(Http11, BadRequest));
return;
}
// Allow only GET methods.
if (!Equals(req.Method, HttpMethod.Get))
{
SendHttpResponse(ctx, req, new DefaultFullHttpResponse(Http11, Forbidden));
return;
}
// Handshake
var wsFactory = new WebSocketServerHandshakerFactory(
GetWebSocketLocation(req), null, true, 5 * 1024 * 1024);
var handshaker = wsFactory.NewHandshaker(req);
if (handshaker == null)
{
WebSocketServerHandshakerFactory.SendUnsupportedVersionResponse(ctx.Channel);
}
else
{
handshaker.HandshakeAsync(ctx.Channel, req);
}
ctx.GetAttribute(wshsKey).Set(handshaker);
var connectionInfo = channelGroup.FindConnectionInfo(ctx.Channel);
if (connectionInfo == null)
{
channelGroup.Add(new ConnectionInfo(ctx.Channel, this.Options));
}
ctx.Channel.Pipeline.FireUserEventTriggered(new HandShakeEvent());
}