2014-03-14 10:15:30 +00:00
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using System;
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2014-08-28 17:35:23 +00:00
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using System.Linq;
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using System.Reflection;
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2014-03-14 10:15:30 +00:00
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using System.Text.RegularExpressions;
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using NLog;
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using NzbDrone.Common.EnvironmentInfo;
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namespace NzbDrone.Core.HealthCheck.Checks
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{
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2014-04-10 00:15:13 +00:00
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public class MonoVersionCheck : HealthCheckBase
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2014-03-14 10:15:30 +00:00
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{
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2014-07-30 06:23:43 +00:00
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private readonly IRuntimeInfo _runtimeInfo;
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2014-03-14 10:15:30 +00:00
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private readonly Logger _logger;
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2014-09-14 15:27:11 +00:00
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private static readonly Regex VersionRegex = new Regex(@"(?<=\W|^)(?<version>\d+\.\d+(\.\d+)?(\.\d+)?)(?=\W)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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2014-03-14 10:15:30 +00:00
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2014-07-30 06:23:43 +00:00
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public MonoVersionCheck(IRuntimeInfo runtimeInfo, Logger logger)
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2014-03-14 10:15:30 +00:00
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{
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2014-07-30 06:23:43 +00:00
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_runtimeInfo = runtimeInfo;
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2014-03-14 10:15:30 +00:00
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_logger = logger;
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}
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2014-04-10 00:15:13 +00:00
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public override HealthCheck Check()
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2014-03-14 10:15:30 +00:00
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{
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if (!OsInfo.IsMono)
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{
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2014-04-10 00:15:13 +00:00
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return new HealthCheck(GetType());
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2014-03-14 10:15:30 +00:00
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}
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2014-07-30 06:23:43 +00:00
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var versionString = _runtimeInfo.RuntimeVersion;
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2014-07-25 06:57:54 +00:00
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var versionMatch = VersionRegex.Match(versionString);
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2014-03-14 10:15:30 +00:00
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2014-07-25 06:37:32 +00:00
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if (versionMatch.Success)
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2014-03-14 10:15:30 +00:00
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{
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2014-07-25 06:37:32 +00:00
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var version = new Version(versionMatch.Groups["version"].Value);
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2014-03-14 10:15:30 +00:00
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2014-08-28 17:35:23 +00:00
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if (version == new Version(3, 4, 0) && HasMonoBug18599())
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{
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_logger.Debug("mono version 3.4.0, checking for mono bug #18599 returned positive.");
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return new HealthCheck(GetType(), HealthCheckResult.Error, "your mono version 3.4.0 has a critical bug, you should upgrade to a higher version");
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}
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2014-07-25 06:37:32 +00:00
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if (version >= new Version(3, 2))
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2014-03-14 10:15:30 +00:00
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{
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2014-07-25 06:37:32 +00:00
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_logger.Debug("mono version is 3.2 or better: {0}", version.ToString());
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return new HealthCheck(GetType());
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2014-03-14 10:15:30 +00:00
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}
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}
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2014-04-10 00:15:13 +00:00
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return new HealthCheck(GetType(), HealthCheckResult.Warning, "mono version is less than 3.2, upgrade for improved stability");
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}
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public override bool CheckOnConfigChange
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{
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get
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{
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return false;
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}
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}
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public override bool CheckOnSchedule
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{
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get
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{
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return false;
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}
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2014-03-14 10:15:30 +00:00
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}
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2014-08-28 17:35:23 +00:00
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private bool HasMonoBug18599()
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{
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_logger.Debug("mono version 3.4.0, checking for mono bug #18599.");
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var numberFormatterType = Type.GetType("System.NumberFormatter");
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if (numberFormatterType == null)
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{
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_logger.Debug("Couldn't find System.NumberFormatter. Aborting test.");
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return false;
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}
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var fieldInfo = numberFormatterType.GetField("userFormatProvider", BindingFlags.Static | BindingFlags.NonPublic);
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if (fieldInfo == null)
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{
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_logger.Debug("userFormatProvider field not found, version likely preceeds the official v3.4.0.");
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return false;
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}
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if (fieldInfo.GetCustomAttributes(false).Any(v => v is ThreadStaticAttribute))
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{
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_logger.Debug("userFormatProvider field doesn't contain the ThreadStatic Attribute, version is affected by the critical bug #18599.");
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return true;
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}
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return false;
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}
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2014-03-14 10:15:30 +00:00
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}
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}
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