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Merge pull request #2783 from celeron533/nlog
Using NLog as the logger No wrapper is used since we would use NLog for some time. Currently the UI is not fully ready to select all log levels.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| using System; | ||
| using System.ComponentModel; | ||
| using System.IO; | ||
| using System.Net.Sockets; | ||
| using System.Net; | ||
| using System.Diagnostics; | ||
| using System.Text; | ||
| using Shadowsocks.Util.SystemProxy; | ||
|
|
||
| namespace NLog | ||
| { | ||
| public static class LoggerExtension | ||
| { | ||
| public static void Dump(this Logger logger, string tag, byte[] arr, int length) | ||
| { | ||
| if (logger.IsTraceEnabled) | ||
| { | ||
| var sb = new StringBuilder($"{Environment.NewLine}{tag}: "); | ||
| for (int i = 0; i < length - 1; i++) | ||
| { | ||
| sb.Append($"0x{arr[i]:X2}, "); | ||
| } | ||
| sb.Append($"0x{arr[length - 1]:X2}"); | ||
| sb.Append(Environment.NewLine); | ||
| logger.Trace(sb.ToString()); | ||
| } | ||
| } | ||
|
|
||
| public static void Debug(this Logger logger, EndPoint local, EndPoint remote, int len, string header = null, string tailer = null) | ||
| { | ||
| if (logger.IsDebugEnabled) | ||
| { | ||
| if (header == null && tailer == null) | ||
| logger.Debug($"{local} => {remote} (size={len})"); | ||
| else if (header == null && tailer != null) | ||
| logger.Debug($"{local} => {remote} (size={len}), {tailer}"); | ||
| else if (header != null && tailer == null) | ||
| logger.Debug($"{header}: {local} => {remote} (size={len})"); | ||
| else | ||
| logger.Debug($"{header}: {local} => {remote} (size={len}), {tailer}"); | ||
| } | ||
| } | ||
|
|
||
| public static void Debug(this Logger logger, Socket sock, int len, string header = null, string tailer = null) | ||
| { | ||
| if (logger.IsDebugEnabled) | ||
| { | ||
| logger.Debug(sock.LocalEndPoint, sock.RemoteEndPoint, len, header, tailer); | ||
| } | ||
| } | ||
|
|
||
| public static void LogUsefulException(this Logger logger, Exception e) | ||
| { | ||
| // just log useful exceptions, not all of them | ||
| 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) | ||
| { | ||
| // The application tried to send or receive data, and the System.Net.Sockets.Socket is not connected. | ||
| } | ||
| else if (se.SocketErrorCode == SocketError.HostUnreachable) | ||
| { | ||
| // There is no network route to the specified host. | ||
| } | ||
| else if (se.SocketErrorCode == SocketError.TimedOut) | ||
| { | ||
| // The connection attempt timed out, or the connected host has failed to respond. | ||
| } | ||
| else | ||
| { | ||
| logger.Warn(e); | ||
| } | ||
| } | ||
| else if (e is ObjectDisposedException) | ||
| { | ||
| } | ||
| else if (e is Win32Exception) | ||
| { | ||
| var ex = (Win32Exception)e; | ||
|
|
||
| // Win32Exception (0x80004005): A 32 bit processes cannot access modules of a 64 bit process. | ||
| if ((uint)ex.ErrorCode != 0x80004005) | ||
| { | ||
| logger.Warn(e); | ||
| } | ||
| } | ||
| else if (e is ProxyException) | ||
| { | ||
| var ex = (ProxyException)e; | ||
| switch (ex.Type) | ||
| { | ||
| case ProxyExceptionType.FailToRun: | ||
| case ProxyExceptionType.QueryReturnMalformed: | ||
| case ProxyExceptionType.SysproxyExitError: | ||
| logger.Error($"sysproxy - {ex.Type.ToString()}:{ex.Message}"); | ||
| break; | ||
| case ProxyExceptionType.QueryReturnEmpty: | ||
| case ProxyExceptionType.Unspecific: | ||
| logger.Error($"sysproxy - {ex.Type.ToString()}"); | ||
| break; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| logger.Warn(e); | ||
| } | ||
| } | ||
| } | ||
| } |
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