// validate current status and config of tun/tap device
// return validate status
public bool validate()
{
TunTapService.FixNetworkInterface(this.tun);
reload();
this.isValid = true;
return(this.isValid);
}
protected void Reload()
{
if (_port_map_listener != null)
{
foreach (Listener listener in _port_map_listener)
{
listener.Stop();
}
_port_map_listener = null;
}
// some logic in configuration updated the config when saving, we need to read it again
_config = MergeGetConfiguration(_config);
_config.FlushPortMapCache();
ReloadIPRange();
HostMap hostMap = new HostMap();
hostMap.LoadHostFile();
HostMap.Instance().Clear(hostMap);
#if !_CONSOLE
if (polipoRunner == null)
{
// start http proxy
polipoRunner = new HttpProxyRunner();
}
#endif
if (_pacServer == null)
{
_pacServer = new PACServer();
_pacServer.PACFileChanged += pacServer_PACFileChanged;
}
_pacServer.UpdateConfiguration(_config);
if (gfwListUpdater == null)
{
// create gfwlist updater
gfwListUpdater = new GFWListUpdater();
gfwListUpdater.UpdateCompleted += pacServer_PACUpdateCompleted;
gfwListUpdater.Error += pacServer_PACUpdateError;
}
if(_tunTapService == null)
{
string guid = TunTapService.GetOneDeviceGuid();
_tunTapService = new TunTapService(guid);
_tunTapService.open();
}
// don't put polipoRunner.Start() before pacServer.Stop()
// or bind will fail when switching bind address from 0.0.0.0 to 127.0.0.1
// though UseShellExecute is set to true now
// http://stackoverflow.com/questions/10235093/socket-doesnt-close-after-application-exits-if-a-launched-process-is-open
bool _firstRun = firstRun;
for (int i = 1; i <= 5; ++i)
{
_firstRun = false;
try
{
if (_listener != null && !_listener.isConfigChange(_config))
{
Local local = new Local(_config, _transfer, _rangeSet);
_listener.GetServices()[0] = local;
#if !_CONSOLE
if (polipoRunner.HasExited())
{
polipoRunner.Stop();
polipoRunner.Start(_config);
_listener.GetServices()[3] = new HttpPortForwarder(polipoRunner.RunningPort, _config);
}
#endif
}
else
{
if (_listener != null)
{
_listener.Stop();
_listener = null;
}
#if !_CONSOLE
polipoRunner.Stop();
polipoRunner.Start(_config);
#endif
Local local = new Local(_config, _transfer, _rangeSet);
List<Listener.Service> services = new List<Listener.Service>();
services.Add(local);
services.Add(_pacServer);
services.Add(new APIServer(this, _config));
services.Add(_tunTapService);
#if !_CONSOLE
services.Add(new HttpPortForwarder(polipoRunner.RunningPort, _config));
#endif
_listener = new Listener(services);
_listener.Start(_config, 0);
}
break;
}
catch (Exception e)
{
// translate Microsoft language into human language
// i.e. An attempt was made to access a socket in a way forbidden by its access permissions => Port already in use
if (e is SocketException)
{
SocketException se = (SocketException)e;
if (se.SocketErrorCode == SocketError.AccessDenied)
{
e = new Exception(I18N.GetString("Port already in use") + string.Format(" {0}", _config.localPort), e);
}
}
Logging.LogUsefulException(e);
if (!_firstRun)
{
ReportError(e);
break;
}
else
{
Thread.Sleep(1000 * i * i);
}
if (_listener != null)
{
_listener.Stop();
_listener = null;
}
}
}
_port_map_listener = new List<Listener>();
foreach (KeyValuePair<int, PortMapConfigCache> pair in _config.GetPortMapCache())
{
try
{
Local local = new Local(_config, _transfer, _rangeSet);
List<Listener.Service> services = new List<Listener.Service>();
services.Add(local);
Listener listener = new Listener(services);
listener.Start(_config, pair.Key);
_port_map_listener.Add(listener);
}
catch (Exception e)
{
// translate Microsoft language into human language
// i.e. An attempt was made to access a socket in a way forbidden by its access permissions => Port already in use
if (e is SocketException)
{
SocketException se = (SocketException)e;
if (se.SocketErrorCode == SocketError.AccessDenied)
{
e = new Exception(I18N.GetString("Port already in use") + string.Format(" {0}", pair.Key), e);
}
}
Logging.LogUsefulException(e);
ReportError(e);
}
}
ConfigChanged?.Invoke(this, new EventArgs());
UpdateSystemProxy();
Util.Utils.ReleaseMemory();
}