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104 lines
No EOL
3.8 KiB
C#
104 lines
No EOL
3.8 KiB
C#
// ClassicalSharp copyright 2014-2016 UnknownShadow200 | Licensed under MIT
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Windows.Forms;
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using OpenTK;
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namespace ClassicalSharp {
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/// <summary> Displays a message box when an unhandled exception occurs
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/// and also logs it to a specified log file. </summary>
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public static class ErrorHandler {
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static string logFile = "crash.log";
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static string fileName = "crash.log";
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/// <summary> Adds a handler for when a unhandled exception occurs, unless
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/// a debugger is attached to the process in which case this does nothing. </summary>
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public static void InstallHandler( string logFile ) {
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ErrorHandler.logFile = logFile;
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fileName = Path.GetFileName( logFile );
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if( !Debugger.IsAttached )
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AppDomain.CurrentDomain.UnhandledException += UnhandledException;
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}
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/// <summary> Additional text that should be logged to the log file
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/// when an unhandled exception occurs. </summary>
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public static string[] AdditionalInfo;
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static string Format( Exception ex ) {
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return ex.GetType().FullName + ": " + ex.Message
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+ Environment.NewLine + ex.StackTrace;
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}
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static void UnhandledException( object sender, UnhandledExceptionEventArgs e ) {
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// So we don't get the normal unhelpful crash dialog on Windows.
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Exception ex = (Exception)e.ExceptionObject;
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bool wroteToCrashLog = true;
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try {
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using( StreamWriter writer = new StreamWriter( logFile, true ) ) {
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writer.WriteLine( "=== crash occurred ===" );
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writer.WriteLine( "Time: " + DateTime.Now );
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string platform = Configuration.RunningOnMono ? "Mono " : ".NET ";
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platform += Environment.Version;
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if( Configuration.RunningOnWindows ) platform += ", Windows - ";
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if( Configuration.RunningOnMacOS ) platform += ", OSX - ";
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if( Configuration.RunningOnLinux ) platform += ", Linux - ";
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platform += Environment.OSVersion.Version.ToString();
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writer.WriteLine( "Running on: " + platform );
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while( ex != null ) {
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writer.WriteLine( Format( ex ) );
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writer.WriteLine();
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ex = ex.InnerException;
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}
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if( AdditionalInfo != null ) {
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foreach( string l in AdditionalInfo )
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writer.WriteLine( l );
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writer.WriteLine();
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}
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}
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} catch( Exception ) {
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wroteToCrashLog = false;
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}
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string message = wroteToCrashLog ?
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"The cause of the error has been logged to \"" + fileName + "\". Please consider reporting the error to " +
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"github.com/UnknownShadow200/ClassicalSharp/issues so we can fix it." :
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"Failed to log the cause of the the error. Please consider reporting the circumstances " +
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"of the error to github.com/UnknownShadow200/ClassicalSharp/issues so we can fix it." +
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Environment.NewLine + Environment.NewLine + Format( ex );
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MessageBox.Show( "An error occured and ClassicalSharp was forced to close." + Environment.NewLine +
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Environment.NewLine + message, "We're sorry" );
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Environment.Exit( 1 );
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}
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/// <summary> Logs a handled exception that occured at the specified location to the log file. </summary>
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public static bool LogError( string location, Exception ex ) {
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string error = ex.GetType().FullName + ": " + ex.Message
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+ Environment.NewLine + ex.StackTrace;
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return LogError( location, error );
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}
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/// <summary> Logs an error that occured at the specified location to the log file. </summary>
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public static bool LogError( string location, string text ) {
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try {
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using( StreamWriter writer = new StreamWriter( logFile, true ) ) {
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writer.WriteLine( "=== handled error ===" );
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writer.WriteLine( "Occured when: " + location );
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writer.WriteLine( text );
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writer.WriteLine();
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}
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} catch( Exception ) {
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return false;
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}
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return true;
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}
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}
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} |