private bool WebSocketProcess(HttpServerWebSocketContext context)
{
var secKey = context.RequestHeader["Sec-WebSocket-Key"];
if (string.IsNullOrEmpty(secKey))
{
//请求的版本不接受支持，最低版本： 7
context.Response(HttpStatusCode.HttpVersionNotSupported);
return(false);
}
//握手信息
var acceptKey = WebSocketHandshake.HandshakeSecurityHash09(secKey);
context.ResponseHeader.Add("Sec-WebSocket-Accept", acceptKey);
//响应客户端连接
context.Response(HttpStatusCode.SwitchingProtocols);
//call event
if (this.WebSocketConnectioned == null)
{
return(false);
}
this.WebSocketConnectioned(context);
if (context.Allowed == false)
{
return(false);
}
//receive
context.Receive();
//add session
lock (this.websockets)
{
this.websockets.Add(context.Id, context);
}
return(true);
}
/// <summary>
/// 以指定主机初始化实例
/// </summary>
/// <param name="host"></param>
/// <param name="port"></param>
/// <param name="path"></param>
/// <param name="pingInterval">自动ping间隔，若设备为0则不进行ping检查</param>
public WebSocketClient(string host, int port, string path, int pingInterval)
{
this.host = host;
this.port = port;
this.path = path;
this.pingInterval = pingInterval;
if (pingInterval < 0)
{
throw new ArgumentOutOfRangeException("pingInterval", "pingInterval must than or equal zero.");
}
//local
this.encoding = Encoding.UTF8;
//handshaking
var secWebSocketKey = RandomHelper.LetterAndNumber(16);
this.handshakeSecurityHash09 = WebSocketHandshake.HandshakeSecurityHash09(secWebSocketKey);
//init request header
this.requestHeader = new Dictionary <string, string>(5, StringComparer.OrdinalIgnoreCase);
this.requestHeader.Add("Host", host);
this.requestHeader.Add("Connection", "Upgrade");
this.requestHeader.Add("Upgrade", "websocket");
this.requestHeader.Add("Sec-WebSocket-Key", secWebSocketKey);
this.requestHeader.Add("Sec-WebSocket-Version", "" + WebSocketClient.VERSION);
//
this.responseHeader = new Dictionary <string, string>(5);
//
if (pingInterval > 0)
{
var millseconds = pingInterval * 1000;
this.timer = new System.Threading.Timer(this.TimerCallback, null, millseconds, millseconds);
}
}
