protected void Reload()
{
// some logic in configuration updated the config when saving, we need to read it again
_config = Configuration.Load();
StatisticsConfiguration = StatisticsStrategyConfiguration.Load();
if (privoxyRunner == null)
{
privoxyRunner = new PrivoxyRunner();
}
if (_pacServer == null)
{
_pacServer = new PACServer();
_pacServer.PACFileChanged += pacServer_PACFileChanged;
_pacServer.UserRuleFileChanged += pacServer_UserRuleFileChanged;
}
_pacServer.UpdateConfiguration(_config);
if (gfwListUpdater == null)
{
gfwListUpdater = new GFWListUpdater();
gfwListUpdater.UpdateCompleted += pacServer_PACUpdateCompleted;
gfwListUpdater.Error += pacServer_PACUpdateError;
}
availabilityStatistics.UpdateConfiguration(this);
if (_listener != null)
{
_listener.Stop();
}
// don't put PrivoxyRunner.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
privoxyRunner.Stop();
try
{
var strategy = GetCurrentStrategy();
if (strategy != null)
{
strategy.ReloadServers();
}
privoxyRunner.Start(_config);
TCPRelay tcpRelay = new TCPRelay(this, _config);
UDPRelay udpRelay = new UDPRelay(this);
List <Listener.IService> services = new List <Listener.IService>();
services.Add(tcpRelay);
services.Add(udpRelay);
services.Add(_pacServer);
services.Add(new PortForwarder(privoxyRunner.RunningPort));
_listener = new Listener(services);
_listener.Start(_config);
}
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"), e);
}
}
Logging.LogUsefulException(e);
ReportError(e);
}
if (ConfigChanged != null)
{
ConfigChanged(this, new EventArgs());
}
UpdateSystemProxy();
Utils.ReleaseMemory(true);
}
public void Receive()
{
EndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
Logging.Debug($"++++++Receive Server Port, size:" + _buffer.Length);
_remote?.BeginReceiveFrom(_buffer, 0, _buffer.Length, 0, ref remoteEndPoint, new AsyncCallback(RecvFromCallback), null);
}
public static bool LogSocketException(string remarks, string server, Exception e)
{
UpdateLogFile();
// just log useful exceptions, not all of them
if (e is ObfsException)
{
ObfsException oe = (ObfsException)e;
Error("Proxy server [" + remarks + "(" + server + ")] "
+ oe.Message);
return(true);
}
else if (e is NullReferenceException)
{
return(true);
}
else if (e is ObjectDisposedException)
{
// ignore
return(true);
}
else if (e is SocketException)
{
SocketException se = (SocketException)e;
if ((uint)se.SocketErrorCode == 0x80004005)
{
// already closed
return(true);
}
else if (se.ErrorCode == 11004)
{
Logging.Log(LogLevel.Warn, "Proxy server [" + remarks + "(" + server + ")] "
+ "DNS lookup failed");
return(true);
}
else if (se.SocketErrorCode == SocketError.HostNotFound)
{
Logging.Log(LogLevel.Warn, "Proxy server [" + remarks + "(" + server + ")] "
+ "Host not found");
return(true);
}
else if (se.SocketErrorCode == SocketError.ConnectionRefused)
{
Logging.Log(LogLevel.Warn, "Proxy server [" + remarks + "(" + server + ")] "
+ "connection refused");
return(true);
}
else if (se.SocketErrorCode == SocketError.NetworkUnreachable)
{
Logging.Log(LogLevel.Warn, "Proxy server [" + remarks + "(" + server + ")] "
+ "network unreachable");
return(true);
}
else if (se.SocketErrorCode == SocketError.TimedOut)
{
//Logging.Log(LogLevel.Warn, "Proxy server [" + remarks + "(" + server + ")] "
// + "connection timeout");
return(true);
}
else if (se.SocketErrorCode == SocketError.Shutdown)
{
return(true);
}
else
{
Logging.Log(LogLevel.Info, "Proxy server [" + remarks + "(" + server + ")] "
+ Convert.ToString(se.SocketErrorCode) + ":" + se.Message);
Debug(ToString(new StackTrace().GetFrames()));
return(true);
}
}
return(false);
}
protected void Reload()
{
Encryption.RNG.Reload();
// some logic in configuration updated the config when saving, we need to read it again
_config = Configuration.Load();
StatisticsConfiguration = StatisticsStrategyConfiguration.Load();
if (_pacServer == null)
{
_pacServer = new PACServer();
_pacServer.PACFileChanged += pacServer_PACFileChanged;
_pacServer.UserRuleFileChanged += pacServer_UserRuleFileChanged;
}
_pacServer.UpdateConfiguration(_config);
if (gfwListUpdater == null)
{
gfwListUpdater = new GFWListUpdater();
gfwListUpdater.UpdateCompleted += pacServer_PACUpdateCompleted;
gfwListUpdater.Error += pacServer_PACUpdateError;
}
availabilityStatistics.UpdateConfiguration(this);
if (_listener != null)
{
_listener.Stop();
}
try
{
var strategy = GetCurrentStrategy();
if (strategy != null)
{
strategy.ReloadServers();
}
TCPRelay tcpRelay = new TCPRelay(this, _config);
UDPRelay udpRelay = new UDPRelay(this);
List <Listener.IService> services = new List <Listener.IService>();
services.Add(_pacServer);
services.Add(tcpRelay);
services.Add(udpRelay);
_listener = new Listener(services);
_listener.Start(_config);
}
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"), e);
}
}
Logging.LogUsefulException(e);
ReportError(e);
}
if (ConfigChanged != null)
{
ConfigChanged(this, new EventArgs());
}
UpdateSystemProxy();
Utils.ReleaseMemory(true);
}
