// 1、Content negotiation
private WSNegotiation Negotiate()
{
WSNegotiation negotiation = new WSNegotiation();
IRestRequest request = new RestRequest("signalr/negotiate", Method.GET);
string connectionDatasJson = JsonConvert.SerializeObject(this.ConnectionData);
request.AddQueryParameter("connectionData", connectionDatasJson);
request.AddQueryParameter("clientProtocol", "2.1");
IRestResponse response = restClient.Execute(request);
if (response.StatusCode == HttpStatusCode.OK)
{
if (!string.IsNullOrEmpty(response.Content))
{
negotiation = JsonConvert.DeserializeObject <WSNegotiation>(response.Content);
}
}
this.WSNegotiation = negotiation;
return(negotiation);
}
/// <summary>
/// Connect to the server
/// </summary>
public void Open()
{
WSNegotiation negotiation = this.Negotiate();
if (!string.IsNullOrEmpty(negotiation.ConnectionToken))
{
this.Connect(negotiation);
}
else
{
this.StartConnectTimer();
}
}
// 2、Create websocket connection
private void Connect(WSNegotiation negotiation)
{
string token = HttpUtility.UrlEncode(negotiation.ConnectionToken);
string connectionDatasJson = JsonConvert.SerializeObject(this.ConnectionData);
string path = string.Format(@"{0}/signalr/connect?transport=webSockets&clientProtocol={1}&connectionToken={2}&connectionData={3}",
this.WebSocketBaseUrl, negotiation.ProtocolVersion, token, connectionDatasJson);
webSocket = new WebSocket(path);
webSocket.Opened += WebSocket_Opened;
webSocket.Closed += WebSocket_Closed;
webSocket.MessageReceived += WebSocket_MessageReceived;
webSocket.Open();
}
