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/*
* MIT License
*
* Copyright (c) 2017 Michael VanOverbeek and ShiftOS devs
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ShiftOS.Engine
{
/// <summary>
/// Special functions for when we're running under Wine. (Pure Mono is not detected)
/// </summary>
public static class Lunix
{
/// <summary>
/// Determines if the game is running under Wine or not.
/// </summary>
public static bool InWine
{
get
{
var WineKey = Registry.CurrentUser.OpenSubKey(@"Software\Wine");
return WineKey != null;
}
}
/// <summary>
/// Escape Wine and run shell commands.
/// </summary>
public static class Bash
{
/// <summary>
/// Run a command in Bash on the host OS.
/// </summary>
/// <param name="command">The command to run.</param>
/// <returns>Everything put on STDOUT by the command.</returns>
public static string RunCommand(string command)
{
string outfile = Path.GetRandomFileName();
string outpath = "Z:\\tmp\\" + outfile;
string copypath = Path.GetTempPath() + Path.GetRandomFileName();
var p = new Process();
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.FileName = "cmd";
p.StartInfo.Arguments = "/C start Z:\\bin\\bash -c \"" + command.Replace("\"", "\\\"") + " > /tmp/" + outfile + "\"";
p.Start();
p.WaitForExit();
p.StartInfo.Arguments = "/C move " + outpath + " " + copypath; // Move the file somewhere .NET can see it.
p.Start();
p.WaitForExit();
string output = File.ReadAllText(copypath);
File.Delete(copypath); // Get rid of that.
return output;
}
}
/// <summary>
/// Basic, unreliable implementation of DriveInfo using df and lsblk.
/// </summary>
public class DFDriveInfo
{
private int dfrow, lsblkrow;
public string Name;
private static string[] rundf(string output)
{
return Bash.RunCommand("df --output='" + output + "'").Split('\n');
}
private string ourdf(string output)
{
return rundf(output)[dfrow];
}
private static string[] runlsblk(string output)
{
return Bash.RunCommand("lsblk -b --output='" + output + "'").Split('\n');
}
private string ourlsblk(string output)
{
return runlsblk(output)[lsblkrow];
}
public DFDriveInfo(string driveName)
{
dfrow = Array.IndexOf(rundf("target"), driveName);
lsblkrow = Array.IndexOf(runlsblk("MOUNTPOINT"), driveName);
Name = driveName;
}
public long AvailableFreeSpace
{
get
{
return Convert.ToInt64(ourdf("avail"));
}
}
public string DriveFormat
{
get
{
return Bash.RunCommand("df --output='fstype'").Split('\n')[dfrow];
}
}
public DriveType DriveType
{
get
{
return DriveType.Unknown;
}
}
public bool IsReady
{
get
{
return true;
}
}
public DirectoryInfo RootDirectory
{
get
{
return new DirectoryInfo("Z:" + Name.Replace('/', '\\'));
}
}
public long TotalFreeSpace
{
get
{
return AvailableFreeSpace;
}
}
public long TotalSize
{
get
{
return Convert.ToInt64(ourlsblk("SIZE"));
}
}
public string VolumeLabel
{
get
{
return ourlsblk("LABEL");
}
set
{
throw new NotImplementedException();
}
}
public static DFDriveInfo[] GetDrives()
{
string[] dnames = rundf("target");
var output = new DFDriveInfo[dnames.Length - 1];
for (int i = 1; i < dnames.Length; i++)
output[i - 1] = new DFDriveInfo(dnames[i]);
return output;
}
public override string ToString()
{
return Name;
}
}
}
}
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