private Task ProcessNegotiationRequest(HttpContextBase context)
{
context.Response.ContentType = Json.MimeType;
return(context.Response.WriteAsync(_jsonSerializer.Stringify(new
{
Url = VirtualPathUtility.ToAbsolute(context.Request.AppRelativeCurrentExecutionFilePath.Replace("/negotiate", "")),
ConnectionId = _connectionIdFactory.CreateConnectionId(context),
TryWebSockets = ClientShouldTryWebSockets
})));
}
private Task ProcessNegotiationRequest(HostContext context)
{
context.Response.ContentType = Json.MimeType;
return(context.Response.WriteAsync(_jsonSerializer.Stringify(new
{
Url = context.Request.Path.Replace("/negotiate", ""),
ConnectionId = _connectionIdFactory.CreateConnectionId(context.Request),
TryWebSockets = context.SupportsWebSockets()
})));
}
private Task ProcessNegotiationRequest(HostContext context)
{
context.Response.ContentType = Json.MimeType;
return(context.Response.EndAsync(_jsonSerializer.Stringify(new
{
Url = context.Request.Url.LocalPath.Replace("/negotiate", ""),
ConnectionId = _connectionIdFactory.CreateConnectionId(context.Request),
TryWebSockets = context.SupportsWebSockets(),
WebSocketServerUrl = context.WebSocketServerUrl(),
ProtocolVersion = "1.0"
})));
}
public override Task ProcessRequestAsync(HttpContext context)
{
Task task = null;
var contextBase = new HttpContextWrapper(context);
if (IsNegotiationRequest(context.Request))
{
context.Response.ContentType = Json.MimeType;
context.Response.Write(_jsonSerializer.Stringify(new
{
Url = VirtualPathUtility.ToAbsolute(context.Request.AppRelativeCurrentExecutionFilePath.Replace("/negotiate", "")),
ConnectionId = _connectionIdFactory.CreateConnectionId(contextBase)
}));
}
else
{
_transport = GetTransport(contextBase);
string connectionId = _transport.ConnectionId;
// If there's no connection id then this is a bad request
if (String.IsNullOrEmpty(connectionId))
{
throw new InvalidOperationException("Protocol error: Missing connection id.");
}
IEnumerable <string> groups = GetGroups(contextBase);
Connection = CreateConnection(connectionId, groups, contextBase);
// Wire up the events we need
_transport.Connected += () =>
{
task = OnConnectedAsync(contextBase, connectionId);
};
_transport.Received += (data) =>
{
task = OnReceivedAsync(connectionId, data);
};
_transport.Error += (e) =>
{
task = OnErrorAsync(e);
};
_transport.Disconnected += () =>
{
task = OnDisconnectAsync(connectionId);
};
Func <Task> processRequestTask = _transport.ProcessRequest(Connection);
if (processRequestTask != null)
{
if (task != null)
{
return(task.Success(_ => processRequestTask()).Unwrap());
}
return(processRequestTask());
}
}
return(task ?? TaskAsyncHelper.Empty);
}