public async Task StartFresh()
{
Log("Starting fresh");
if (!InternetAvailable())
{
Log("Internet not available. Exiting.");
return;
}
if (Running)
{
Log("realtime client is already running");
return;
}
if (AppIsInBackground)
{
Log("Application is in background");
return;
}
if (Socket != null)
{
Shutdown();
await Task.Delay(350);
}
try
{
var connectPacket = new FbnsConnectPacket
{
Payload = await RealtimePayload.BuildPayload(_instaApi)
};
Socket = new StreamSocket();
Socket.Control.KeepAlive = true;
Socket.Control.NoDelay = true;
Socket.Control.OutboundBufferSizeInBytes = 20 * 1024 * 1024;
await Socket.ConnectAsync(new HostName(DEFAULT_HOST), "443", SocketProtectionLevel.Tls12);
_inboundReader = new DataReader(Socket.InputStream);
_outboundWriter = new DataWriter(Socket.OutputStream);
_inboundReader.ByteOrder = ByteOrder.BigEndian;
_inboundReader.InputStreamOptions = InputStreamOptions.Partial;
_outboundWriter.ByteOrder = ByteOrder.BigEndian;
_runningTokenSource = new CancellationTokenSource();
await FbnsPacketEncoder.EncodePacket(connectPacket, _outboundWriter);
}
catch (Exception e)
{
DebugLogger.LogExceptionX(e);
Restart();
return;
}
StartPollingLoop();
}