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comparison VBoxFrontend/Program.cs @ 0:e1ec7bf71313

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Initial commit
author Ivo Smits
date Wed, 04 May 2011 00:59:43 +0200
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-1:000000000000 0:e1ec7bf71313
1 using System;
2 using System.Reflection;
3 using System.Runtime.InteropServices;
4 using System.Windows.Forms;
5 using System.Threading;
6 using VirtualBox;
7
8 namespace ConsoleApplication1 {
9 class ProgramRun {
10 public static VBoxXPCOM VBoxXPCOM { get; private set; }
11 Object WaitingForProgress = null;
12
13 public int Run(string[] args) {
14 IVirtualBox vb;
15 ISession sess;
16 if (Environment.OSVersion.Platform == PlatformID.Unix) {
17 VBoxXPCOM = new VBoxXPCOM();
18 vb = VBoxXPCOM.VirtualBox;
19 sess = VBoxXPCOM.Session;
20 } else {
21 VBoxCOMInit(out vb, out sess);
22 }
23
24 Console.WriteLine("VirtualBox version={0} revision={1}", vb.Version, vb.Revision);
25 Console.WriteLine("VirtualBox HomeFolder={0}", vb.HomeFolder);
26
27 if (args.Length < 1) {
28 Console.Error.WriteLine("Usage: {0} machine-name-or-id", Assembly.GetExecutingAssembly().Location);
29 return 1;
30 }
31 IMachine m;
32 m = vb.FindMachine(args[0]);
33
34 Console.WriteLine("Lock machine");
35 m.LockMachine((Session)sess, LockType.LockType_Write);
36 try {
37 Framebuffer fb = new Framebuffer();
38 sess.Console.Display.SetFramebuffer(0, fb);
39
40 Console.WriteLine("Start GUI thread");
41 Display disp = new Display(sess.Console, fb);
42
43 Console.WriteLine("Power up...");
44 //MonitorAndProcessEventsUntilCompleted(sess.Console.PowerUpPaused());
45
46 try {
47 disp.MonitorUntilCompleted(sess.Console.PowerUpPaused());
48
49 //Console.WriteLine("Resume");
50 //sess.Console.Resume();
51
52 Application.Run(disp);
53 } finally {
54 if (VBoxXPCOM != null) VBoxXPCOM.EventQueue.ProcessPendingEvents();
55 switch (sess.Console.State) {
56 case MachineState.MachineState_PoweredOff:
57 case MachineState.MachineState_Saved:
58 case MachineState.MachineState_Aborted:
59 break;
60 default:
61 Console.WriteLine("Power down");
62 WaitingForProgress = null;
63 ThreadPool.QueueUserWorkItem(delegate(Object state) {
64 Console.WriteLine("Requesting SaveState");
65 IProgress p = sess.Console.SaveState();
66 Console.WriteLine("Waiting for SaveState completion");
67 WaitingForProgress = p;
68 VBoxWaitComplete(p);
69 });
70 ProcessEventsUntilCompleted();
71 break;
72 }
73 }
74 } finally {
75 Console.WriteLine("Unlock machine");
76 sess.UnlockMachine();
77 if (VBoxXPCOM != null) VBoxXPCOM.EventQueue.ProcessPendingEvents();
78 }
79 return 0;
80 }
81
82 void VBoxCOMInit(out IVirtualBox vb, out ISession sess) {
83 //vb = (IVirtualBox)Activator.CreateInstance(Type.GetTypeFromProgID("VirtualBox.VirtualBox"));
84 //vb = (IVirtualBox)Activator.CreateInstance(typeof(VirtualBoxClass));
85 //vb = (IVirtualBox)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("B1A7A4F2-47B9-4A1E-82B2-07CCD5323C3F")));
86 vb = new VirtualBox.VirtualBoxClass();
87 sess = new VirtualBox.SessionClass();
88 }
89
90 public void VBoxWaitComplete(IProgress p) {
91 uint prev = 0;
92 while (p.Completed == 0) {
93 if (p.Percent != prev) Console.Write("{0}% ", p.Percent);
94 prev = p.Percent;
95 p.WaitForCompletion(100);
96 }
97 if (p.ResultCode == 0) {
98 Console.WriteLine("done");
99 } else {
100 Console.WriteLine("Error {0} {1}", p.ErrorInfo.ResultCode, p.ErrorInfo.Text);
101 throw new COMException(p.ErrorInfo.Text, p.ErrorInfo.ResultCode);
102 }
103 }
104
105 public void MonitorAndProcessEventsUntilCompleted(IProgress p) {
106 MonitorProgressAsync(p);
107 ProcessEventsUntilCompleted(p);
108 }
109 public void MonitorProgressAsync(IProgress p) {
110 ThreadPool.QueueUserWorkItem(delegate(Object state) {
111 try {
112 VBoxWaitComplete(p);
113 } catch (Exception ex) {
114 Console.WriteLine(ex.ToString());
115 }
116 });
117 }
118 public void ProcessEventsUntilCompleted(IProgress p) {
119 do {
120 if (VBoxXPCOM != null) VBoxXPCOM.EventQueue.ProcessPendingEvents();
121 Thread.Sleep(100);
122 } while (p.Canceled == 0 && p.Completed == 0);
123 Console.WriteLine("Event processing completed");
124 }
125 public void ProcessEventsUntilCompleted() {
126 Console.WriteLine("Processing COM events...");
127 do {
128 if (VBoxXPCOM != null) VBoxXPCOM.EventQueue.ProcessPendingEvents();
129 Thread.Sleep(100);
130 } while (WaitingForProgress == null || ((WaitingForProgress as IProgress).Canceled == 0 && (WaitingForProgress as IProgress).Completed == 0));
131 Console.WriteLine("COM Event processing completed");
132 }
133 }
134 }