Boolean ProcessHandshake ()
{
log.Info("Processing handshake");
JObject o = new JObject (
new JProperty ("channel", "/meta/handshake"),
new JProperty ("version", "1.0"),
new JProperty ("supportedConnectionTypes", new JArray ("long-polling")));
String response = SendMessage (o);
List<HandshakeResponse> hResponses = JsonConvert.DeserializeObject<List<HandshakeResponse>> (response);
log.Debug("Acquired CIENT-ID: " + hResponses[0].clientId);
ClientId = hResponses [0].clientId;
if (hResponses [0].advice != null && hResponses [0].advice.reconnect == "retry") {
this.ServerAdvice = hResponses [0].advice;
}
ResubscribeToChannels();
return true;
}
void ProcessServerResponse (ServerResponse response)
{
if (response.data != null) {
log.Debug("Received data");
OnDataReceived(response.data, response.channel);
} else {
if (response.channel == "/meta/subscribe")
{
if (response.successful)
{
log.Info ("Subscription successfull to " + response.subscription);
ChannelSubscriptions.Add(response.subscription);
}
else
{
log.Error("Subscription failed to " + response.subscription);
}
//TODO: Add an event here for failed or successful channel subscription
lock(PendingChannelSubscriptions)
{
PendingChannelSubscriptions.Remove(response.subscription);
}
}
else if (response.channel == "/meta/unsubscribe")
{
if (response.successful)
{
log.Info( "Unsubscription successfull from " + response.subscription);
ChannelSubscriptions.Remove(response.subscription);
lock(PendingChannelUnsubscriptions)
{
PendingChannelUnsubscriptions.Remove(response.subscription);
}
OnChannelUnsubscribed();
}
else
{
log.Error("Subscription failed to " + response.subscription);
}
}
else if (response.channel == "/meta/connect")
{
if (!response.successful && response.error != null &&
response.advice != null && response.advice.reconnect == "handshake")
{
log.Info ("Received request to rehandshake");
lock(this)
{
ClientState = ClientStateEnum.Handshaking;
}
}
}
if (response.advice != null && response.advice.reconnect == "retry")
{
log.Debug("Server advice received " + response.advice.ToString());
this.ServerAdvice = response.advice;
}
}
}
public BayeuxClient (Uri serverUri)
{
this.ServerUri = serverUri;
//Setup default server advice
ServerAdvice = new Advice();
ServerAdvice.interval = 0;
ServerAdvice.reconnect = "retry";
ServerAdvice.timeout = 30000;
//Setup background worker
BayeuxWorker = new BackgroundWorker();
BayeuxWorker.WorkerSupportsCancellation = true;
BayeuxWorker.DoWork += ProcessRequests;
ClientState = ClientStateEnum.Disconnected;
log = LogManager.GetLogger(serverUri.Host);
}
