Lidarr/NzbDrone/Providers/ProcessProvider.cs

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using System.Collections.Generic;
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using System.Diagnostics;
using System.Linq;
using NLog;
using NzbDrone.Model;
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namespace NzbDrone.Providers
{
public class ProcessProvider
{
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private static readonly Logger Logger = LogManager.GetLogger("Host.ProcessProvider");
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public virtual ProcessInfo GetCurrentProcess()
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{
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return ConvertToProcessInfo(Process.GetCurrentProcess());
}
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public virtual ProcessInfo GetProcessById(int id)
{
return ConvertToProcessInfo(Process.GetProcesses().Where(p => p.Id == id).FirstOrDefault());
}
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public virtual IEnumerable<ProcessInfo> GetProcessByName(string name)
{
return Process.GetProcessesByName(name).Select(ConvertToProcessInfo);
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}
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public virtual void Start(string path)
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{
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Process.Start(path);
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}
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public virtual Process Start(ProcessStartInfo startInfo)
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{
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Logger.Info("Starting process. [{0}]", startInfo.FileName);
var process = new Process
{
StartInfo = startInfo
};
process.Start();
return process;
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}
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public virtual void Kill(int processId)
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{
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if (processId == 0) return;
if (!Process.GetProcesses().Any(p => p.Id == processId)) return;
var process = Process.GetProcessById(processId);
if (!process.HasExited)
{
Logger.Info("[{0}]Killing process", process.Id);
process.Kill();
Logger.Info("[{0}]Waiting for exit", process.Id);
process.WaitForExit();
Logger.Info("[{0}]Process terminated successfully", process.Id);
}
}
public virtual void SetPriority(int processId, ProcessPriorityClass priority)
{
var process = Process.GetProcessById(processId);
Logger.Info("Updating [{0}] process priority from {1} to {2}",
process.ProcessName,
process.PriorityClass,
priority);
process.PriorityClass = priority;
}
private static ProcessInfo ConvertToProcessInfo(Process process)
{
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if (process == null || process.Id <= 0) return null;
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return new ProcessInfo
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{
Id = process.Id,
Priority = process.PriorityClass,
StartPath = process.MainModule.FileName
};
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}
}
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}