public static async Task MakeSureCircuitEstablishedAsync()
{
var ctsToken = CircuitEstablishingJobCancel.Token;
State = TorState.NotStarted;
while (true)
{
try
{
if (ctsToken.IsCancellationRequested)
{
return;
}
try
{
var established = await ControlPortClient.IsCircuitEstablishedAsync().WithTimeoutAsync(TimeSpan.FromSeconds(21));
if (ctsToken.IsCancellationRequested)
{
return;
}
if (established)
{
State = TorState.CircuitEstablished;
}
else
{
State = TorState.EstablishingCircuit;
}
}
catch (Exception ex)
{
if (ex is TimeoutException || ex.InnerException is TimeoutException)
{
// Tor messed up something internally, this sometimes happens when it creates new datadir (at first launch)
// Restarting to solves the issue
await RestartAsync();
}
if (ctsToken.IsCancellationRequested)
{
return;
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Ignoring Tor exception:");
Debug.WriteLine(ex);
}
if (State == TorState.CircuitEstablished)
{
return;
}
var wait = TimeSpan.FromSeconds(3);
await Task.Delay(wait, ctsToken).ContinueWith(tsk => { });
}
}
public async Task <bool> CircuitEstablished(SecureString password)
{
if (password == null)
{
throw new ArgumentNullException(nameof(password));
}
bool hasCircuit = false;
try
{
using (var insecurePassword = password.Insecure())
{
var controlPortClient = new DotNetTor.ControlPort.Client(controlHost, ControlPort, insecurePassword.Value);
hasCircuit = await controlPortClient.IsCircuitEstablishedAsync();
}
}
catch (DotNetTor.TorException ex)
{
console.WriteLine(ex.Message);
}
return(hasCircuit);
}