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annotate VBoxFrontend/VBoxXPCOM.cs @ 0:e1ec7bf71313

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