Lidarr/NzbDrone.Update/Program.cs

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using System;
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using System.IO;
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using NLog;
using NzbDrone.Common;
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using NzbDrone.Common.Composition;
using NzbDrone.Common.EnvironmentInfo;
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using NzbDrone.Common.Instrumentation;
using NzbDrone.Common.Security;
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using NzbDrone.Update.UpdateEngine;
namespace NzbDrone.Update
{
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public class Program
{
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private readonly IInstallUpdateService _installUpdateService;
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private readonly IProcessProvider _processProvider;
private static IContainer _container;
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private static readonly Logger logger = LogManager.GetCurrentClassLogger();
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public Program(IInstallUpdateService installUpdateService, IProcessProvider processProvider)
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{
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_installUpdateService = installUpdateService;
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_processProvider = processProvider;
}
public static void Main(string[] args)
{
try
{
Console.WriteLine("Starting NzbDrone Update Client");
IgnoreCertErrorPolicy.Register();
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GlobalExceptionHandlers.Register();
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new LogglyTarget().Register(LogLevel.Trace);
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_container = UpdateContainerBuilder.Build();
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logger.Info("Updating NzbDrone to version {0}", BuildInfo.Version);
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_container.Resolve<Program>().Start(args);
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}
catch (Exception e)
{
logger.FatalException("An error has occurred while applying update package.", e);
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}
}
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public void Start(string[] args)
{
int processId = ParseProcessId(args);
var exeFileInfo = new FileInfo(_processProvider.GetProcessById(processId).StartPath);
string targetFolder = exeFileInfo.Directory.FullName;
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logger.Info("Starting update process. Target Path:{0}", targetFolder);
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_installUpdateService.Start(targetFolder);
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}
private int ParseProcessId(string[] args)
{
int id;
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if (args == null || !Int32.TryParse(args[0], out id) || id <= 0)
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{
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throw new ArgumentOutOfRangeException("args", "Invalid process ID");
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}
logger.Debug("NzbDrone processId:{0}", id);
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return id;
}
}
}