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83 lines
3.0 KiB
83 lines
3.0 KiB
using System;
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using System.Linq;
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using System.Reflection;
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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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public class MonoVersionCheck : HealthCheckBase
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{
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private readonly IPlatformInfo _platformInfo;
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private readonly Logger _logger;
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public MonoVersionCheck(IPlatformInfo platformInfo, Logger logger)
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{
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_platformInfo = platformInfo;
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_logger = logger;
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}
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public override HealthCheck Check()
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{
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if (!PlatformInfo.IsMono)
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{
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return new HealthCheck(GetType());
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}
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var monoVersion = _platformInfo.Version;
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if (monoVersion == 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, "You are running an old and unsupported version of Mono with a known bug. You should upgrade to a higher version");
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}
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if (monoVersion == new Version("4.4.0") || monoVersion == new Version("4.4.1"))
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{
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_logger.Debug("Mono version {0}", monoVersion);
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return new HealthCheck(GetType(), HealthCheckResult.Error, $"Your Mono version {monoVersion} has a bug that causes issues connecting to indexers/download clients. You should upgrade to a higher version");
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}
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if (monoVersion >= new Version("3.10"))
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{
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_logger.Debug("Mono version is 3.10 or better: {0}", monoVersion);
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return new HealthCheck(GetType());
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}
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return new HealthCheck(GetType(), HealthCheckResult.Warning, "You are running an old and unsupported version of Mono. Please upgrade Mono for improved stability.");
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}
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public override bool CheckOnConfigChange => false;
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public override bool CheckOnSchedule => false;
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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",
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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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}
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} |