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comparison VBoxFrontend/VBoxXPCOM.cs @ 0:e1ec7bf71313

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Initial commit
author Ivo Smits
date Wed, 04 May 2011 00:59:43 +0200
parents
children f1deea9c97a0
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-1:000000000000 0:e1ec7bf71313
1 using System;
2 using System.Runtime.InteropServices;
3 using System.Runtime.CompilerServices;
4 using VirtualBox;
5
6 namespace ConsoleApplication1 {
7 public class VBoxXPCOM {
8 private delegate UInt32 pfnGetVersionDelegate();
9 private unsafe delegate void pfnComInitializeDelegate(
10 [MarshalAs(UnmanagedType.LPStr)] String pszVirtualBoxIID,
11 out IntPtr ppVirtualBox,
12 [MarshalAs(UnmanagedType.LPStr)] String pszSessionIID,
13 out IntPtr ppSession);
14 private delegate void pfnComUninitializeDelegate();
15 private delegate void pfnGetEventQueueDelegate(out IntPtr eventQueue); //void (*pfnGetEventQueue)(nsIEventQueue **eventQueue);
16
17 private struct VBOXXPCOMC {
18 public UInt32 cb; //The size of the structure.
19 public UInt32 uVersion; //The structure version.
20 [MarshalAs(UnmanagedType.FunctionPtr)]
21 public pfnGetVersionDelegate pfnGetVersion;
22 [MarshalAs(UnmanagedType.FunctionPtr)]
23 public pfnComInitializeDelegate pfnComInitialize;
24 [MarshalAs(UnmanagedType.FunctionPtr)]
25 public pfnComUninitializeDelegate pfnComUninitialize;
26 [MarshalAs(UnmanagedType.FunctionPtr)]
27 private pfnComUninitializeDelegate pfnComUnallocMem; //void (*pfnComUnallocMem)(void *pv);
28 [MarshalAs(UnmanagedType.FunctionPtr)]
29 private pfnComUninitializeDelegate pfnUtf16Free; //void (*pfnUtf16Free)(PRUnichar *pwszString);
30 [MarshalAs(UnmanagedType.FunctionPtr)]
31 private pfnComUninitializeDelegate pfnUtf8Free; //void (*pfnUtf8Free)(char *pszString);
32 [MarshalAs(UnmanagedType.FunctionPtr)]
33 private pfnComUninitializeDelegate pfnUtf16ToUtf8; //int (*pfnUtf16ToUtf8)(const PRUnichar *pwszString, char **ppszString);
34 [MarshalAs(UnmanagedType.FunctionPtr)]
35 private pfnComUninitializeDelegate pfnUtf8ToUtf16; //int (*pfnUtf8ToUtf16)(const char *pszString, PRUnichar **ppwszString);
36 [MarshalAs(UnmanagedType.FunctionPtr)]
37 public pfnGetEventQueueDelegate pfnGetEventQueue; //void (*pfnGetEventQueue)(nsIEventQueue **eventQueue);
38 public UInt32 uEndVersion; //Tail version, same as uVersion.
39 }
40
41 [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
42 [Guid("176afb41-00a4-11d3-9f2a-00400553eef0")]
43 [ComImport()]
44 public interface nsIEventQueue {
45 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
46 void PostEvent(IntPtr aEvent); //[noscript] void postEvent (in PLEventPtr aEvent);
47 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
48 Int32 IsOnCurrentThread(); //boolean isOnCurrentThread ();
49 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
50 void InitEvent(IntPtr aEvent, IntPtr owner, IntPtr handler, IntPtr destructor); //[noscript] void initEvent (in PLEventPtr aEvent, in voidPtr owner, in PLHandleEventProc handler, in PLDestroyEventProc destructor);
51 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
52 void PostSynchronousEvent(IntPtr aEvent, out IntPtr aResult); //[noscript] void postSynchronousEvent (in PLEventPtr aEvent, out voidPtr aResult);
53 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
54 Int32 PendingEvents(); //boolean pendingEvents ();
55 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
56 void ProcessPendingEvents(); //void processPendingEvents ();
57 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
58 void EventLoop(); //void eventLoop ();
59 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
60 void EventAvailable(ref Int32 aResult); //[noscript] void eventAvailable (in PRBoolRef aResult);
61 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
62 IntPtr GetEvent(); //[noscript] PLEventPtr getEvent ();
63 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
64 void HandleEvent(IntPtr aEvent); //[noscript] void handleEvent (in PLEventPtr aEvent);
65 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
66 IntPtr WaitForEvent(); //[noscript] PLEventPtr waitForEvent ();
67 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
68 Int32 GetEventQueueSelectFD(); //[notxpcom] PRInt32 getEventQueueSelectFD ();
69 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
70 void Init(Int32 aNative); //void init (in boolean aNative);
71 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
72 void InitFromPRThread(IntPtr thread, Int32 aNative); //[noscript] void initFromPRThread (in PRThreadPtr thread, in boolean aNative);
73 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
74 void InitFromPLQueue(IntPtr aQueue); //[noscript] void initFromPLQueue (in PLEventQueuePtr aQueue);
75 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
76 void EnterMonitor(); //void enterMonitor ();
77 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
78 void ExitMonitor(); //void exitMonitor ();
79 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
80 void RevokeEvents(IntPtr owner); //[noscript] void revokeEvents (in voidPtr owner);
81 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
82 IntPtr GetPLEventQueue(); //[noscript] PLEventQueuePtr getPLEventQueue ();
83 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
84 Int32 IsQueueNative(); //boolean isQueueNative ();
85 [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
86 void StopAcceptingEvents(); //void stopAcceptingEvents ();
87 }
88
89 public const UInt32 VBOX_XPCOMC_VERSION = 0x00020000U;
90 [DllImport("/usr/lib/virtualbox/VBoxXPCOMC.so")]
91 public static extern IntPtr VBoxGetXPCOMCFunctions(UInt32 uVersion);
92
93 private VBOXXPCOMC FunctionTable;
94 public IVirtualBox VirtualBox { get; private set; }
95 public ISession Session { get; private set; }
96 public nsIEventQueue EventQueue { get; private set; }
97
98 //[STAThread]
99 public VBoxXPCOM() {
100 IntPtr ftptr = VBoxGetXPCOMCFunctions(VBOX_XPCOMC_VERSION);
101 //Console.WriteLine("Function table={0}", ftptr);
102
103 FunctionTable = (VBOXXPCOMC)Marshal.PtrToStructure(ftptr, typeof(VBOXXPCOMC));
104 //Console.WriteLine("Version {0}={1}={2}", VBOX_XPCOMC_VERSION, FunctionTable.uVersion, FunctionTable.uEndVersion);
105 //Console.WriteLine("Version {0}", FunctionTable.pfnGetVersion());
106
107 IntPtr vbptr, sessptr, eqptr;
108 FunctionTable.pfnComInitialize("D2DE270C-1D4B-4C9E-843F-BBB9B47269FF", out vbptr, "12F4DCDB-12B2-4EC1-B7CD-DDD9F6C5BF4D", out sessptr);
109 FunctionTable.pfnGetEventQueue(out eqptr);
110 //Console.WriteLine("VirtualBox={0} Session={1} EventQueue={2}", vbptr, sessptr, eqptr);
111
112 VirtualBox = (IVirtualBox)Marshal.GetObjectForIUnknown(vbptr);
113 Session = (ISession)Marshal.GetObjectForIUnknown(sessptr);
114 EventQueue = (nsIEventQueue)Marshal.GetObjectForIUnknown(eqptr);
115 }
116 ~VBoxXPCOM() {
117 VirtualBox = null;
118 Session = null;
119 EventQueue = null;
120 GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
121 FunctionTable.pfnComUninitialize();
122 }
123 }
124 }