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New: Added automatic detection of a critical bug in mono 3.4.0 to the mono version check. (see mono bug #18599)

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This commit is contained in:
Taloth Saldono 2014-08-28 19:35:23 +02:00
parent 57a95d4cc5
commit 9e02a05733
1 changed files with 36 additions and 0 deletions
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36
src/NzbDrone.Core/HealthCheck/Checks/MonoVersionCheck.cs
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@ -1,4 +1,6 @@
using System;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Common.EnvironmentInfo;
@ -31,6 +33,12 @@ public override HealthCheck Check()
{
var version = new Version(versionMatch.Groups["version"].Value);
if (version == new Version(3, 4, 0) && HasMonoBug18599())
{
_logger.Debug("mono version 3.4.0, checking for mono bug #18599 returned positive.");
return new HealthCheck(GetType(), HealthCheckResult.Error, "your mono version 3.4.0 has a critical bug, you should upgrade to a higher version");
}
if (version >= new Version(3, 2))
{
_logger.Debug("mono version is 3.2 or better: {0}", version.ToString());
@ -56,5 +64,33 @@ public override bool CheckOnSchedule
return false;
}
}
private bool HasMonoBug18599()
{
_logger.Debug("mono version 3.4.0, checking for mono bug #18599.");
var numberFormatterType = Type.GetType("System.NumberFormatter");
if (numberFormatterType == null)
{
_logger.Debug("Couldn't find System.NumberFormatter. Aborting test.");
return false;
}
var fieldInfo = numberFormatterType.GetField("userFormatProvider", BindingFlags.Static | BindingFlags.NonPublic);
if (fieldInfo == null)
{
_logger.Debug("userFormatProvider field not found, version likely preceeds the official v3.4.0.");
return false;
}
if (fieldInfo.GetCustomAttributes(false).Any(v => v is ThreadStaticAttribute))
{
_logger.Debug("userFormatProvider field doesn't contain the ThreadStatic Attribute, version is affected by the critical bug #18599.");
return true;
}
return false;
}
}
}