public void SendToAllExceptSelf(String data, WebSocketConnection self)
{
_connections.Where(c => c != self).ToList().ForEach(c => c.Send(data));
}
/// <summary>
/// 進行HandShake
/// </summary>
/// <param name="socket"></param>
private void ShakeHands(Socket socket)
{
// 存放Request資料的Buffer
byte[] buffer = new byte[2048];
// 接收的Request長度
var length = socket.Receive(buffer);
// 將buffer中的資料解碼成字串
var data = Encoding.UTF8.GetString(buffer, 0, length);
Console.WriteLine(data);
// 將資料字串中的空白位元移除
var dataArray = data.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (dataArray.Count() == 0) {
return;
}
// 從Client傳來的Request Header訊息中取
var key = dataArray.Where(s => s.Contains("Sec-WebSocket-Key: ")).Single().Replace("Sec-WebSocket-Key: ", String.Empty).Trim();
var acceptKey = CreateAcceptKey(key);
// WebSocket Protocol定義的ShakeHand訊息
var handShakeMsg =
"HTTP/1.1 101 Switching Protocols\r\n" +
"Upgrade: websocket\r\n" +
"Connection: Upgrade\r\n" +
"Sec-WebSocket-Accept: " + acceptKey + "\r\n\r\n";
socket.Send(Encoding.UTF8.GetBytes(handShakeMsg));
Console.WriteLine(handShakeMsg);
// 產生WebSocketConnection實體並加入佇列中管理
var clientConn = new WebSocketConnection(socket);
_connections.Add(clientConn);
// 註冊Disconnected事件
clientConn.OnDisconnected += new ClientDisconnectedEventHandler(DisconnectedWork);
// 確認Connection是否繼續存在，並持續監聽
if (OnConnected != null)
OnConnected(clientConn, EventArgs.Empty);
_serverSocket.BeginAccept(new AsyncCallback(onConnect), null);
}
/// <summary>
/// DisConnected事件
/// </summary>
/// <param name="sender"></param>
/// <param name="ev"></param>
private void DisconnectedWork(WebSocketConnection sender, EventArgs ev)
{
_connections.Remove(sender);
sender.Close();
}
static void DoDataReceivedWork(WebSocketConnection sender, DataReceivedEventArgs ev)
{
_server.SendToAllClient(ev.Data);
}
static void DoConnectedWork(WebSocketConnection sender, EventArgs ev)
{
sender.OnDataReceived += new DataReceivedEventHandler(DoDataReceivedWork);
sender.OnDisconnected += new ClientDisconnectedEventHandler(DoClientDisconnectedWork);
}
static void DoClientDisconnectedWork(WebSocketConnection sender, EventArgs ev)
{
_server.SendToAllClient("Someone leave the room");
}