internal void StartSession(WebSocketContext context)
{
CreateSession ().Start (context, Sessions);
}
private string checkIfValidConnectionRequest(WebSocketContext context)
{
return _originValidator != null && !_originValidator (context.Origin)
? "Invalid Origin header."
: _cookiesValidator != null &&
!_cookiesValidator (context.CookieCollection, context.WebSocket.CookieCollection)
? "Invalid Cookies."
: null;
}
internal void Start(WebSocketContext context, WebSocketSessionManager sessions)
{
if (_websocket != null) {
_websocket.Log.Error ("This session has already been started.");
context.WebSocket.Close (HttpStatusCode.ServiceUnavailable);
return;
}
_context = context;
_sessions = sessions;
_websocket = context.WebSocket;
_websocket.CustomHandshakeRequestChecker = checkIfValidConnectionRequest;
_websocket.IgnoreExtensions = _ignoreExtensions;
_websocket.Protocol = _protocol;
var waitTime = sessions.WaitTime;
if (waitTime != _websocket.WaitTime)
_websocket.WaitTime = waitTime;
_websocket.OnOpen += onOpen;
_websocket.OnMessage += onMessage;
_websocket.OnError += onError;
_websocket.OnClose += onClose;
_websocket.ConnectAsServer ();
}
// As server
private void releaseServerResources()
{
if (_closeContext == null)
return;
_closeContext ();
_closeContext = null;
_stream = null;
_context = null;
}
// As server
internal WebSocket(TcpListenerWebSocketContext context, string protocol)
{
_context = context;
_protocol = protocol;
_closeContext = context.Close;
_logger = context.Log;
_secure = context.IsSecureConnection;
_stream = context.Stream;
_waitTime = TimeSpan.FromSeconds (1);
init ();
}
// As server
private string checkIfValidHandshakeRequest(WebSocketContext context)
{
var headers = context.Headers;
return context.RequestUri == null
? "Specifies an invalid Request-URI."
: !context.IsWebSocketRequest
? "Not a WebSocket connection request."
: !validateSecWebSocketKeyHeader (headers["Sec-WebSocket-Key"])
? "Includes an invalid Sec-WebSocket-Key header."
: !validateSecWebSocketVersionClientHeader (headers["Sec-WebSocket-Version"])
? "Includes an invalid Sec-WebSocket-Version header."
: CustomHandshakeRequestChecker (context);
}
