/// <summary>
/// WebSocket OnOpen event handler; Send listen topics and fire Connected event.
/// </summary>
private void _wsclient_OnOpen(object sender, EventArgs e)
{
// Start pinger
_pinger.Start();
// Reset reconnect attempts
_reconnectionAttempt = 0;
// Fire connected event and broadcast message
Connected?.Invoke(this, null);
// Create PubSub subscription payload
var payload = new TwitchPubSubPayload
{
Type = "LISTEN",
Nonce = DateTime.UtcNow.Ticks.ToString(),
Data = new TwitchPubSubPayloadData
{
Topics = new string[] {
$"channel-subscribe-events-v1.{_userId}",
$"channel-bits-events-v1.{_userId}",
$"channel-commerce-events-v1.{_userId}",
$"whispers.{_userId}"
},
AuthToken = _casterCredentials.OAuth
}
};
// Async send json converted payload to server
_wsclient.SendAsync(JsonConvert.SerializeObject(payload), null);
}
/// <summary>
/// Pinger. Sends a PING type message to PubSub on every elapsed event.
/// </summary>
private void _pinger_Elapsed(object sender, ElapsedEventArgs e)
{
// Send PING when connection is alive
if (_wsclient.IsAlive)
{
// Create PING payload
var payload = new TwitchPubSubPayload
{
Type = "PING"
};
// Async send json converted payload to server
_wsclient.Send(JsonConvert.SerializeObject(payload));
// Start pong timer
_pongtimer.Start();
}
}
