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duplicati/Duplicati/Library/Utility/Power/MacOSPowerSupplyState.cs
T

109 lines
4.2 KiB
C#

// Copyright (C) 2017, The Duplicati Team
// http://www.duplicati.com, info@duplicati.com
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Linq;
namespace Duplicati.Library.Utility.Power
{
public class MacOSPowerSupplyState : IPowerSupplyState
{
public PowerSupply.Source GetSource()
{
var src = GetSourcePmset();
if (src == PowerSupply.Source.Unknown)
src = GetSourceIoreg();
return src;
}
/// <summary>
/// Gets the current power source using `pmset`
/// </summary>
/// <returns>The power source according to pmset.</returns>
private PowerSupply.Source GetSourcePmset()
{
try
{
var psi = new System.Diagnostics.ProcessStartInfo("pmset", "-g batt");
psi.RedirectStandardOutput = true;
psi.UseShellExecute = false;
var pi = System.Diagnostics.Process.Start(psi);
pi.WaitForExit(1000);
if (pi.HasExited)
{
var pmout = pi.StandardOutput.ReadToEnd().Trim();
if (pmout.IndexOf("'AC Power'", StringComparison.OrdinalIgnoreCase) >= 0)
return PowerSupply.Source.AC;
if (pmout.IndexOf("'Battery Power'", StringComparison.OrdinalIgnoreCase) >= 0)
return PowerSupply.Source.Battery;
}
else
pi.Kill();
return PowerSupply.Source.Unknown;
}
catch
{
return PowerSupply.Source.Unknown;
}
}
/// <summary>
/// Gets the current power source using `ioreg`
/// </summary>
/// <returns>The power source according to ioreg.</returns>
private PowerSupply.Source GetSourceIoreg()
{
try
{
var psi = new System.Diagnostics.ProcessStartInfo("ioreg", "-n AppleSmartBattery -r");
psi.RedirectStandardOutput = true;
psi.UseShellExecute = false;
var pi = System.Diagnostics.Process.Start(psi);
pi.WaitForExit(1000);
if (pi.HasExited)
{
// Find:
// "ExternalConnected" = Yes
var ioreg = pi.StandardOutput.ReadToEnd()
.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.Where(x => x.StartsWith("\"ExternalConnected\"", StringComparison.OrdinalIgnoreCase))
.Select(x => x.Split(new char[] { '=' }, 2).LastOrDefault())
.FirstOrDefault();
if (string.Equals(ioreg, "No", StringComparison.OrdinalIgnoreCase))
return PowerSupply.Source.Battery;
if (string.Equals(ioreg, "Yes", StringComparison.OrdinalIgnoreCase))
return PowerSupply.Source.AC;
}
else
pi.Kill();
return PowerSupply.Source.Unknown;
}
catch
{
return PowerSupply.Source.Unknown;
}
}
}
}