warrentyexpired/ModernUO
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

fix(core): Changes invalid gump response to write to network errors. (#510)

Browse source
This commit is contained in:
Kamron Batman 2021-02-15 08:31:53 -08:00 • committed by GitHub
parent 8006fa20df
commit 6f5312cb89
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 98 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

42
Projects/Server/Exceptions/ExceptionExtensions.cs Normal file
View file

@ -0,0 +1,42 @@
/*************************************************************************
* ModernUO *
* Copyright (C) 2019-2021 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: ExceptionExtensions.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Diagnostics;
using System.Linq.Expressions;
using System.Reflection;
namespace Server.Exceptions
{
public static class ExceptionExtensions
{
public static Exception SetStackTrace(this Exception target, StackTrace stack) => _setStackTrace(target, stack);
private static readonly Func<Exception, StackTrace, Exception> _setStackTrace = _createStackTraceMethod();
private static Func<Exception, StackTrace, Exception> _createStackTraceMethod()
{
ParameterExpression target = Expression.Parameter(typeof(Exception));
ParameterExpression stack = Expression.Parameter(typeof(StackTrace));
Type traceFormatType = typeof(StackTrace).GetNestedType("TraceFormat", BindingFlags.NonPublic);
MethodInfo toString = typeof(StackTrace).GetMethod("ToString", BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { traceFormatType }, null);
object normalTraceFormat = Enum.GetValues(traceFormatType!).GetValue(0);
MethodCallExpression stackTraceString = Expression.Call(stack, toString!, Expression.Constant(normalTraceFormat, traceFormatType));
FieldInfo stackTraceStringField = typeof(Exception).GetField("_stackTraceString", BindingFlags.NonPublic | BindingFlags.Instance);
BinaryExpression assign = Expression.Assign(Expression.Field(target, stackTraceStringField!), stackTraceString);
return Expression.Lambda<Func<Exception, StackTrace, Exception>>(Expression.Block(assign, target), target, stack).Compile();
}
}
}