public static bool LogSocketException(string remarks, string server, Exception e)
{
if (DateTime.Now.ToString("yyyy-MM") != date)
{
OpenLogFile();
}
// 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 (se.SocketErrorCode == SocketError.ConnectionAborted)
{
// closed by browser when sending
// normally happens when download is canceled or a tab is closed before page is loaded
}
else if (se.SocketErrorCode == SocketError.ConnectionReset)
{
// received rst
}
else if (se.SocketErrorCode == SocketError.NotConnected)
{
// close when not connected
}
else 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);
}
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);
}