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Radarr/NzbDrone.Common/ProcessProvider.cs

106 lines
3.3 KiB

using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using NLog;
using NzbDrone.Common.Model;
namespace NzbDrone.Common
{
public class ProcessProvider
{
private static readonly Logger Logger = LogManager.GetLogger("Host.ProcessProvider");
public static readonly string NzbDroneProccessName = "NzbDrone";
public virtual ProcessInfo GetCurrentProcess()
{
return ConvertToProcessInfo(Process.GetCurrentProcess());
}
public virtual ProcessInfo GetProcessById(int id)
{
Logger.Trace("Finding process with Id:{0}", id);
var processInfo = ConvertToProcessInfo(Process.GetProcesses().Where(p => p.Id == id).FirstOrDefault());
if (processInfo == null)
{
Logger.Warn("Unable to find process with ID {0}", id);
}
else
{
Logger.Trace("Found process {0}", processInfo.ToString());
}
return processInfo;
}
public virtual IEnumerable<ProcessInfo> GetProcessByName(string name)
{
return Process.GetProcessesByName(name).Select(ConvertToProcessInfo).Where(p => p != null);
}
public virtual void Start(string path)
{
Process.Start(path);
}
public virtual Process Start(ProcessStartInfo startInfo)
{
Logger.Info("Starting process. [{0}]", startInfo.FileName);
var process = new Process
{
StartInfo = startInfo
};
process.Start();
return process;
}
public virtual void Kill(int processId)
{
if (processId == 0 || !Process.GetProcesses().Any(p => p.Id == processId))
{
Logger.Warn("Cannot find process with id: {0}", 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)
{
if (process == null || process.Id <= 0 || process.HasExited) return null;
return new ProcessInfo
{
Id = process.Id,
Priority = process.PriorityClass,
StartPath = process.MainModule.FileName,
Name = process.ProcessName
};
}
}
}