public AppLauncherLinux(ConfigService configService)
{
ConnectionInfo = configService.GetConnectionInfo();
}
public async Task Connect()
{
try
{
ConnectionInfo = ConfigService.GetConnectionInfo();
HubConnection = new HubConnectionBuilder()
.WithUrl(ConnectionInfo.Host + "/AgentHub")
.Build();
RegisterMessageHandlers();
await HubConnection.StartAsync();
}
catch (Exception ex)
{
Logger.Write(ex, "Failed to connect to server. Internet connection may be unavailable.", EventType.Warning);
return;
}
try
{
var device = await DeviceInformation.Create(ConnectionInfo.DeviceID, ConnectionInfo.OrganizationID);
var result = await HubConnection.InvokeAsync <bool>("DeviceCameOnline", device);
if (!result)
{
// Orgnanization ID wasn't found, or this device is already connected.
// The above can be caused by temporary issues on the server. So we'll do
// nothing here and wait for it to get resolved.
Logger.Write("There was an issue registering with the server. The server might be undergoing maintenance, or the supplied organization ID might be incorrect.");
await Task.Delay(TimeSpan.FromMinutes(1));
await HubConnection.StopAsync();
return;
}
if (string.IsNullOrWhiteSpace(ConnectionInfo.ServerVerificationToken))
{
IsServerVerified = true;
ConnectionInfo.ServerVerificationToken = Guid.NewGuid().ToString();
await HubConnection.SendAsync("SetServerVerificationToken", ConnectionInfo.ServerVerificationToken);
ConfigService.SaveConnectionInfo(ConnectionInfo);
}
else
{
await HubConnection.SendAsync("SendServerVerificationToken");
}
HeartbeatTimer?.Dispose();
HeartbeatTimer = new System.Timers.Timer(TimeSpan.FromMinutes(5).TotalMilliseconds);
HeartbeatTimer.Elapsed += HeartbeatTimer_Elapsed;
HeartbeatTimer.Start();
}
catch (Exception ex)
{
Logger.Write(ex, "Error starting websocket connection.", EventType.Error);
}
}