public WebSocketHandshake(IPEndPoint localEndpoint, IPEndPoint remoteEndpoint)
{
Request = new WebSocketHttpRequest(localEndpoint, remoteEndpoint);
Response = new WebSocketHttpResponse();
NegotiatedMessageExtensions = new List <IWebSocketMessageExtensionContext>();
_invalidated = false;
}
public WebSocketHandshake()
{
Request = new WebSocketHttpRequest();
Response = new WebSocketHttpResponse();
NegotiatedMessageExtensions = new List <IWebSocketMessageExtensionContext>();
_invalidated = false;
}
public WebSocketHandshake()
{
Request = new WebSocketHttpRequest();
Response = new WebSocketHttpResponse();
NegotiatedMessageExtensions = new List<IWebSocketMessageExtensionContext>();
_invalidated = false;
}
public async Task <WebSocket> ConnectAsync([NotNull] Uri address, Headers <RequestHeader> requestHeaders = null, CancellationToken cancellation = default(CancellationToken))
{
try
{
cancellation.ThrowIfCancellationRequested();
if (this.workCancellationSource.IsCancellationRequested)
{
throw new WebSocketException("Client is currently closing or closed.");
}
var workCancellation = this.workCancellationSource.Token;
var negotiationCancellation = this.negotiationsTimeoutQueue?.GetSubscriptionList().Token ?? CancellationToken.None;
if (cancellation.CanBeCanceled || workCancellation.CanBeCanceled || negotiationCancellation.CanBeCanceled)
{
cancellation = CancellationTokenSource.CreateLinkedTokenSource(cancellation, workCancellation, negotiationCancellation).Token;
}
var request = new WebSocketHttpRequest(HttpRequestDirection.Outgoing)
{
RequestUri = address,
};
if (requestHeaders != null)
{
request.Headers.AddMany(requestHeaders);
}
var handshake = new WebSocketHandshake(request);
var pendingRequest = this.OpenConnectionAsync(handshake, cancellation);
this.pendingRequests.TryAdd(handshake, pendingRequest);
var webSocket = await pendingRequest.IgnoreFaultOrCancellation().ConfigureAwait(false);
if (!workCancellation.IsCancellationRequested && negotiationCancellation.IsCancellationRequested)
{
SafeEnd.Dispose(webSocket, this.log);
throw new WebSocketException("Negotiation timeout.");
}
if (this.pendingRequests.TryRemove(handshake, out pendingRequest) && this.workCancellationSource.IsCancellationRequested && this.pendingRequests.IsEmpty)
{
this.closeEvent.Set();
}
webSocket = await pendingRequest.ConfigureAwait(false);
this.pingQueue?.GetSubscriptionList().Add(webSocket);
return(webSocket);
}
catch (Exception connectionError)
when(connectionError.Unwrap() is ThreadAbortException == false &&
connectionError.Unwrap() is OperationCanceledException == false &&
connectionError.Unwrap() is WebSocketException == false)
{
throw new WebSocketException($"An unknown error occurred while connection to '{address}'. More detailed information in inner exception.", connectionError.Unwrap());
}
}
public WebSocketHandshake()
{
Request = new WebSocketHttpRequest();
NegotiatedMessageExtensions = new List<IWebSocketMessageExtensionContext>();
ResponseExtensions = new List<WebSocketExtension>();
HasSubProtocolMatch = true;
_invalidated = false;
}
public WebSocketHandshake([NotNull] WebSocketHttpRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
this.Id = Interlocked.Increment(ref LastId);
this.Request = request;
this.Response = new WebSocketHttpResponse();
this.NegotiatedMessageExtensions = new List <IWebSocketMessageExtensionContext>();
}
public WebSocketFactory GetWebSocketFactory(WebSocketHttpRequest Request)
{
WebSocketFactory factory;
if (_factories.TryGetValue(Request.WebSocketVersion, out factory))
{
return(factory);
}
else
{
return(null);
}
}
protected WebSocket([NotNull] WebSocketHttpRequest request, [NotNull] WebSocketHttpResponse response)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (response == null)
{
throw new ArgumentNullException(nameof(response));
}
this.HttpRequest = request;
this.HttpResponse = response;
}
protected WebSocket(WebSocketHttpRequest request, WebSocketHttpResponse response)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (response == null)
{
throw new ArgumentNullException(nameof(response));
}
HttpRequest = request;
HttpResponse = response;
}
public bool TryGetWebSocketFactory(WebSocketHttpRequest request, out WebSocketFactory factory)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
factory = default(WebSocketFactory);
var webSocketsVersion = default(short);
if (short.TryParse(request.Headers[RequestHeader.WebSocketVersion], out webSocketsVersion) && this.factoryByVersion.TryGetValue(webSocketsVersion, out factory))
{
return(true);
}
else
{
return(false);
}
}
private void HttpNegotiation(WebSocketHttpRequest request, WebSocketHttpResponse response)
{
Guid connectionId = Guid.Empty;
if (request.RequestUri == null || request.RequestUri.OriginalString.Length < 1 || !Guid.TryParse(request.RequestUri.OriginalString.Substring(1), out connectionId))
{
connectionId = _sysInfo.Guid();
_log.Info("Connection Id created: {0}", connectionId);
}
else
_log.Info("Connection Id from url: {0}", connectionId);
request.Items.Add(ConnectionIdKey, connectionId);
Guid userId;
if (request.Cookies[ConnectionManager.UserSessionCookieName] == null)
{
userId = _sysInfo.Guid();
_log.Info("User ID created: {0}", userId);
}
else
{
userId = Guid.Parse(request.Cookies[ConnectionManager.UserSessionCookieName].Value);
_log.Info("User ID found in cookie: {0}", userId);
}
Queue.PublishRequest(new ConnectionConnectRequest(connectionId, userId), ctx =>
{
ctx.HandleFault(f =>
{
response.Status = HttpStatusCode.InternalServerError;
});
ctx.HandleTimeout(TimeSpan.FromSeconds(5), () =>
{
response.Status = HttpStatusCode.RequestTimeout;
});
ctx.Handle<ConnectionConnectResponse>(res =>
{
response.Cookies.Add(new Cookie(ConnectionManager.UserSessionCookieName, res.UserId.ToString()));
});
});
}
internal WebSocketFactory GetWebSocketFactory(WebSocketHttpRequest Request)
=> _factories.TryGetValue(Request.WebSocketVersion, out WebSocketFactory factory)
? factory
: null;
public abstract WebSocket CreateWebSocket(NetworkConnection networkConnection, WebSocketListenerOptions options, WebSocketHttpRequest httpRequest, WebSocketHttpResponse httpResponse, List <IWebSocketMessageExtensionContext> negotiatedExtensions);
internal WebSocketHandshake()
{
Request = new WebSocketHttpRequest();
Response = new WebSocketHttpResponse();
_invalidated = false;
}
public abstract WebSocket CreateWebSocket(Stream stream, WebSocketListenerOptions options, IPEndPoint localEndpoint, IPEndPoint remoteEndpoint, WebSocketHttpRequest httpRequest, WebSocketHttpResponse httpResponse, List<IWebSocketMessageExtensionContext> negotiatedExtensions);
public WebSocket(WebSocketHttpRequest request, WebSocketHttpResponse response)
{
HttpRequest = request;
HttpResponse = response;
}
public bool TryNegotiate(WebSocketHttpRequest request, out WebSocketExtension extensionResponse, out IWebSocketMessageExtensionContext context)
{
extensionResponse = _response;
context = new WebSocketDeflateContext();
return(true);
}
public bool TryNegotiate(WebSocketHttpRequest request, out WebSocketExtension extensionResponse, out IWebSocketMessageExtensionContext context)
{
extensionResponse = Response;
context = new WebSocketSharpDeflateContext();
return true;
}
public WebSocket(WebSocketHttpRequest request, WebSocketHttpResponse response)
{
Guid = Guid.NewGuid();
HttpRequest = request;
HttpResponse = response;
}
public async Task <WebSocketHandshake> HandshakeAsync(NetworkConnection networkConnection)
{
if (networkConnection == null)
{
throw new ArgumentNullException(nameof(networkConnection));
}
var request = new WebSocketHttpRequest(HttpRequestDirection.Incoming)
{
LocalEndPoint = networkConnection.LocalEndPoint ?? WebSocketHttpRequest.NoAddress,
RemoteEndPoint = networkConnection.RemoteEndPoint ?? WebSocketHttpRequest.NoAddress,
IsSecure = networkConnection is SslNetworkConnection
};
var handshake = new WebSocketHandshake(request);
try
{
ReadHttpRequest(networkConnection, handshake);
if (!IsWebSocketRequestValid(handshake))
{
await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(false);
return(handshake);
}
handshake.IsWebSocketRequest = true;
var factory = default(WebSocketFactory);
if (this.factories.TryGetWebSocketFactory(handshake.Request, out factory) == false)
{
await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(false);
return(handshake);
}
handshake.Factory = factory;
handshake.IsVersionSupported = true;
ConsolidateObjectModel(handshake);
SelectExtensions(handshake);
if (await this.RunHttpNegotiationHandlerAsync(handshake).ConfigureAwait(false) == false)
{
throw new WebSocketException("HTTP authentication failed.");
}
await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(false);
}
catch (Exception handshakeError)
{
if (this.log.IsDebugEnabled)
{
this.log.Debug("Failed to handshake request.", handshakeError);
}
handshake.Error = ExceptionDispatchInfo.Capture(handshakeError);
if (!handshake.IsResponseSent)
{
try { WriteHttpResponse(handshake, networkConnection); }
catch (Exception writeResponseError)
{
if (this.log.IsDebugEnabled)
{
this.log.Debug("Failed to write error response.", writeResponseError);
}
}
}
}
return(handshake);
}
public abstract WebSocket CreateWebSocket(Stream stream, WebSocketListenerOptions options, IPEndPoint localEndpoint, IPEndPoint remoteEndpoint, WebSocketHttpRequest httpRequest, WebSocketHttpResponse httpResponse, List <IWebSocketMessageExtensionContext> negotiatedExtensions);
public WebSocket(WebSocketHttpRequest request, WebSocketHttpResponse response)
{
HttpRequest = request;
HttpResponse = response;
}