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// VMThread.cs
//
// GNOME Do is the legal property of its developers.
// Please refer to the COPYRIGHT file distributed with this
// source distribution.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using Do.Platform;
namespace VirtualBox
{
public class VMThread
{
private string op1;
private string op2;
private VMState NewState;
private VMItem vm;
//complicated constructor if you want to supply everything
public VMThread(string o1, string o2, VMState ns, ref VMItem v)
{
this.op1 = o1;
this.op2 = o2;
this.NewState = ns;
this.vm = v;
}
//empty constructor, only for complex actions
public VMThread(ref VMItem v)
{
this.vm = v;
}
//simple constructor, to make things easy
public VMThread(VMState ns, ref VMItem v)
{
NewState = ns;
vm = v;
op1 = "VBoxManage";
op2 = "controlvm " + v.Uuid + " ";
switch (NewState) //do some action, depending on what the desired NewState is
{
case VMState.saved:
op2 += "savestate";
break;
case VMState.off:
op2 += "poweroff";
break;
case VMState.on:
if (v.Status == VMState.paused)
op2 += "resume";
else if ((v.Status == VMState.off) || (v.Status == VMState.saved))
op2 = "startvm " + v.Uuid + " -type gui";
break;
case VMState.paused:
op2 += "pause";
break;
case VMState.headless:
if (v.Status == VMState.paused)
op2 += "resume";
else if ((v.Status == VMState.off) || (v.Status == VMState.saved))
op2 = "startvm " + v.Uuid + " -type vrdp";
break;
}
}
public void DoAction()
{
try
{
if (!CheckState())
{
Log.Error("State mismatch for {0}.", vm.Name);
return;
}
vm.Status = VMState.limbo;
ProcessStartInfo ps = new ProcessStartInfo (op1, op2);
ps.UseShellExecute = false;
ps.RedirectStandardOutput = true;
using (Process p = Process.Start (ps)) {
Log.Info("Execution thread for {0} started.", vm.Name);
p.WaitForExit ();
if (p.HasExited)
{
vm.Status = NewState;
Log.Info("Execution thread for {0} finished.", vm.Name);
}
}
}
catch
{
Log.Fatal("Something horrible happened to {0}.", vm.Name);
}
}
public void DoShutdownRestoreAction()
{
try
{
if (!CheckState())
{
Log.Error("State mismatch for {0}", vm.Name);
return;
}
vm.Status = VMState.limbo;
List<ProcessStartInfo> Processes = new List<ProcessStartInfo>();
Processes.Add( new ProcessStartInfo ("VBoxManage", "controlvm " + vm.Uuid + " poweroff") );
Processes.Add( new ProcessStartInfo ("sleep", "2") );
Processes.Add( new ProcessStartInfo ("VBoxManage", "snapshot " + vm.Uuid + " discardcurrent -state") );
Log.Info("Execution thread for {0} started.", vm.Name);
foreach (ProcessStartInfo ps in Processes)
{
ps.UseShellExecute = false;
ps.RedirectStandardOutput = true;
using (Process p = Process.Start (ps))
p.WaitForExit ();
}
Log.Info("Execution thread for {0} finished.", vm.Name);
vm.Status = VMState.off;
}
catch
{
Log.Fatal("Something horrible happened to {0}.", vm.Name);
}
}
public bool CheckState()
{
return (vm.Status == vm.CurrentState) ? true : false;
}
}
}
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