/// <summary>
/// Saves a config file to the users' AppData folder and sends a connect command to the Broker.
/// </summary>
/// <returns>True if successfully sent connection command.</returns>
public bool Connect()
{
uptimeStart = DateTime.MinValue;
SetConnecting();
Manager.Broker.ReportHeartbeat();
ErrorHandling.DebugLogger.LogDebugMsg("Starting broker");
if (!InitiateBroker())
{
IsConnecting = false;
IsDisconnecting = false;
return(false);
}
var configFilePath = ProductConstants.FirefoxPrivateNetworkConfFile;
var connectMessage = new IPCMessage(IPCCommand.IpcConnect);
connectMessage.AddAttribute("config", configFilePath);
brokerIPC.WriteToPipe(connectMessage);
return(true);
}
/// <summary>
/// Thread for waiting on the broker to send a PID and then checking whether the the broker is still active.
/// </summary>
public void BrokerStatusCheckThread()
{
int strikes = 0;
var pidRequestMessage = new IPCMessage(IPCCommand.IpcRequestPid);
isPipeActive = true;
remoteBrokerPid = 0;
while (true)
{
Thread.Sleep(1000);
// Do we have a broker process ID? If so, break and wait
if (remoteBrokerPid > 0)
{
isPipeActive = true;
break;
}
// Did we even attempt to initialize the broker?
if (brokerIPC == null)
{
isPipeActive = false;
continue;
}
// Try to send a PID request message
if (!brokerIPC.WriteToPipe(pidRequestMessage))
{
isPipeActive = false;
continue;
}
// Check for any previously received PIDs
if ((DateTime.Now - lastReceivedHeartBeat).TotalSeconds > ProductConstants.BrokerToubleGracePeriod)
{
// No heartbeat received for at least ProductConstants.BrokerToubleGracePeriod seconds, try to recover
if (++strikes >= 3)
{
ErrorHandling.ErrorHandler.Handle(new ErrorHandling.UserFacingMessage("toast-vpn-start-error"), ErrorHandling.UserFacingErrorType.Toast, ErrorHandling.LogLevel.Error);
ErrorHandling.ErrorHandler.Handle(string.Format("Broker timed out, no heartbeat received for {0} seconds.", ProductConstants.BrokerToubleGracePeriod), ErrorHandling.LogLevel.Error);
break;
}
continue;
}
}
// If the broker is running, wait on exit
if (remoteBrokerPid > 0)
{
ErrorHandling.ErrorHandler.WriteToLog("Broker is running. Waiting on exit.", ErrorHandling.LogLevel.Info);
var remoteBrokerProcess = Process.GetProcessById(remoteBrokerPid);
remoteBrokerProcess.WaitForExit();
remoteBrokerPid = 0;
ErrorHandling.ErrorHandler.WriteToLog("Broker has exited.", ErrorHandling.LogLevel.Info);
}
// Nothing seems to be running, destroy pipes and move on
DestroyPipes();
brokerIPC = null;
}