private void OnNegotiationDataReceived(NegotiationData data)
{
int num = -1;
for (int i = 0; i < ClientProtocols.Length; i++)
{
if (num != -1)
{
break;
}
if (data.ProtocolVersion == ClientProtocols[i])
{
num = i;
}
}
if (num == -1)
{
num = 2;
HTTPManager.Logger.Warning("SignalR Connection", "Unknown protocol version: " + data.ProtocolVersion);
}
Protocol = (ProtocolVersions)num;
if (data.TryWebSockets)
{
Transport = new WebSocketTransport(this);
NextProtocolToTry = SupportedProtocols.ServerSentEvents;
}
else
{
Transport = new ServerSentEventsTransport(this);
NextProtocolToTry = SupportedProtocols.HTTP;
}
State = ConnectionStates.Connecting;
TransportConnectionStartedAt = DateTime.UtcNow;
Transport.Connect();
}
private void StartImpl()
{
State = ConnectionStates.Negotiating;
NegotiationResult = new NegotiationData(this);
NegotiationResult.OnReceived = OnNegotiationDataReceived;
NegotiationResult.OnError = OnNegotiationError;
NegotiationResult.Start();
}
private void OnNegotiationRequestFinished(HTTPRequest req, HTTPResponse resp)
{
NegotiationRequest = null;
switch (req.State)
{
case HTTPRequestStates.Finished:
if (resp.IsSuccess)
{
HTTPManager.Logger.Information("NegotiationData", "Negotiation data arrived: " + resp.DataAsText);
int num = resp.DataAsText.IndexOf("{");
if (num < 0)
{
RaiseOnError("Invalid negotiation text: " + resp.DataAsText);
}
else
{
NegotiationData negotiationData = Parse(resp.DataAsText.Substring(num));
if (negotiationData == null)
{
RaiseOnError("Parsing Negotiation data failed: " + resp.DataAsText);
}
else if (OnReceived != null)
{
OnReceived(this);
OnReceived = null;
}
}
}
else
{
RaiseOnError($"Negotiation request finished Successfully, but the server sent an error. Status Code: {resp.StatusCode}-{resp.Message} Message: {resp.DataAsText} Uri: {req.CurrentUri}");
}
break;
case HTTPRequestStates.Error:
RaiseOnError((req.Exception == null) ? string.Empty : (req.Exception.Message + " " + req.Exception.StackTrace));
break;
default:
RaiseOnError(req.State.ToString());
break;
}
}
private void OnNegotiationError(NegotiationData data, string error)
{
((IConnection)this).Error(error);
}