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using System;
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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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using NzbDrone.Common.Processes;
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namespace NzbDrone.Core.HealthCheck.Checks
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{
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public class MonoVersionCheck : IProvideHealthCheck
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{
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private readonly IProcessProvider _processProvider;
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private readonly Logger _logger;
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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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public MonoVersionCheck(IProcessProvider processProvider, Logger logger)
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{
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_processProvider = processProvider;
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_logger = logger;
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}
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public HealthCheck Check()
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{
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if (!OsInfo.IsMono)
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{
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return null;
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}
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var output = _processProvider.StartAndCapture("mono", "--version");
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foreach (var line in output.Standard)
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{
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var versionMatch = VersionRegex.Match(line);
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if (versionMatch.Success)
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{
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var version = new Version(versionMatch.Groups["version"].Value);
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if (version >= new Version(3, 2))
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{
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_logger.Debug("mono version is 3.2 or better: {0}", version.ToString());
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return null;
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}
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}
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}
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return new HealthCheck(HealthCheckResultType.Warning, "mono version is less than 3.2, upgrade for improved stability");
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}
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}
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}
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