public static void HandlePacket(string sockJsPacket)
{
var packetType = Decoder.DeterminePacketType(sockJsPacket);
switch (packetType)
{
case PacketType.ConnectionOpen:
ConnectionOpenPacketReceived?.Invoke(EventArgs.Empty);
break;
case PacketType.ConnectionClose:
ConnectionClosePacketReceived?.Invoke(EventArgs.Empty);
break;
case PacketType.SocketHeartbeat:
SocketHeartbeatReceived?.Invoke(DateTime.Now);
break;
case PacketType.SocketMessage:
var packets = Decoder.DecodePackets(sockJsPacket);
SocketMessageReceived?.Invoke(packets);
break;
case PacketType.BinaryData:
Debug.WriteLine("Binary data not supported.");
break;
default: // Includes PacketType.Invalid
Debug.WriteLine("Invalid packet received.");
break;
}
}
public async Task ReceiveAsync()
{
var receiveBuffer = new byte[4096];
while (_socket.State == WebSocketState.Open)
{
_logger.LogTrace(_socket.State.ToString());
var message = new byte[4096];
var offset = 0;
WebSocketReceiveResult receive;
do
{
receive = await _socket.ReceiveAsync(new ArraySegment <byte>(receiveBuffer), CancellationToken.None);
receiveBuffer.CopyTo(message, offset);
offset += receive.Count;
receiveBuffer = new byte[4096];
} while (!receive.EndOfMessage);
if (receive.MessageType == WebSocketMessageType.Close)
{
// connection closed, reconnect
break;
}
if (receive.MessageType == WebSocketMessageType.Binary)
{
_logger.LogDebug(LogEvent.Receive, "Binary message received, ignoring");
}
if (receive.MessageType == WebSocketMessageType.Text)
{
var text = Encoding.UTF8.GetString(message);
var payload = JsonConvert.DeserializeObject <GatewayPayload>(text);
SocketMessageReceived?.Invoke(this, new SocketMessageEventArgs {
Content = text, Payload = payload
});
}
}
Disconnected?.Invoke(this);
}
