VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 52890

Last change on this file since 52890 was 52890, checked in by vboxsync, 10 years ago

Additions/VBoxService: add first skeleton of display service.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 7.7 KB
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1/* $Id: VBoxServiceInternal.h 52890 2014-09-29 16:00:24Z vboxsync $ */
2/** @file
3 * VBoxService - Guest Additions Services.
4 */
5
6/*
7 * Copyright (C) 2007-2013 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ___VBoxServiceInternal_h
19#define ___VBoxServiceInternal_h
20
21#include <stdio.h>
22#ifdef RT_OS_WINDOWS
23# include <Windows.h>
24# include <process.h> /* Needed for file version information. */
25#endif
26
27#include <iprt/list.h>
28#include <iprt/critsect.h>
29
30#include <VBox/VBoxGuestLib.h>
31#include <VBox/HostServices/GuestControlSvc.h>
32
33/**
34 * A service descriptor.
35 */
36typedef struct
37{
38 /** The short service name. */
39 const char *pszName;
40 /** The longer service name. */
41 const char *pszDescription;
42 /** The usage options stuff for the --help screen. */
43 const char *pszUsage;
44 /** The option descriptions for the --help screen. */
45 const char *pszOptions;
46
47 /**
48 * Called before parsing arguments.
49 * @returns VBox status code.
50 */
51 DECLCALLBACKMEMBER(int, pfnPreInit)(void);
52
53 /**
54 * Tries to parse the given command line option.
55 *
56 * @returns 0 if we parsed, -1 if it didn't and anything else means exit.
57 * @param ppszShort If not NULL it points to the short option iterator. a short argument.
58 * If NULL examine argv[*pi].
59 * @param argc The argument count.
60 * @param argv The argument vector.
61 * @param pi The argument vector index. Update if any value(s) are eaten.
62 */
63 DECLCALLBACKMEMBER(int, pfnOption)(const char **ppszShort, int argc, char **argv, int *pi);
64
65 /**
66 * Called before parsing arguments.
67 * @returns VBox status code.
68 */
69 DECLCALLBACKMEMBER(int, pfnInit)(void);
70
71 /** Called from the worker thread.
72 *
73 * @returns VBox status code.
74 * @retval VINF_SUCCESS if exitting because *pfTerminate was set.
75 * @param pfTerminate Pointer to a per service termination flag to check
76 * before and after blocking.
77 */
78 DECLCALLBACKMEMBER(int, pfnWorker)(bool volatile *pfTerminate);
79
80 /**
81 * Stop an service.
82 */
83 DECLCALLBACKMEMBER(void, pfnStop)(void);
84
85 /**
86 * Does termination cleanups.
87 *
88 * @remarks This may be called even if pfnInit hasn't been called!
89 */
90 DECLCALLBACKMEMBER(void, pfnTerm)(void);
91} VBOXSERVICE;
92/** Pointer to a VBOXSERVICE. */
93typedef VBOXSERVICE *PVBOXSERVICE;
94/** Pointer to a const VBOXSERVICE. */
95typedef VBOXSERVICE const *PCVBOXSERVICE;
96
97/* Default call-backs for services which do not need special behaviour. */
98DECLCALLBACK(int) VBoxServiceDefaultPreInit(void);
99DECLCALLBACK(int) VBoxServiceDefaultOption(const char **ppszShort, int argc,
100 char **argv, int *pi);
101DECLCALLBACK(int) VBoxServiceDefaultInit(void);
102DECLCALLBACK(void) VBoxServiceDefaultTerm(void);
103
104/** The service name.
105 * @note Used on windows to name the service as well as the global mutex. */
106#define VBOXSERVICE_NAME "VBoxService"
107
108#ifdef RT_OS_WINDOWS
109/** The friendly service name. */
110# define VBOXSERVICE_FRIENDLY_NAME "VirtualBox Guest Additions Service"
111/** The service description (only W2K+ atm) */
112# define VBOXSERVICE_DESCRIPTION "Manages VM runtime information, time synchronization, guest control execution and miscellaneous utilities for guest operating systems."
113/** The following constant may be defined by including NtStatus.h. */
114# define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
115#endif /* RT_OS_WINDOWS */
116
117#ifdef VBOX_WITH_GUEST_PROPS
118/**
119 * A guest property cache.
120 */
121typedef struct VBOXSERVICEVEPROPCACHE
122{
123 /** The client ID for HGCM communication. */
124 uint32_t uClientID;
125 /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
126 RTLISTANCHOR NodeHead;
127 /** Critical section for thread-safe use. */
128 RTCRITSECT CritSect;
129} VBOXSERVICEVEPROPCACHE;
130/** Pointer to a guest property cache. */
131typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
132
133/**
134 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
135 */
136typedef struct VBOXSERVICEVEPROPCACHEENTRY
137{
138 /** Node to successor.
139 * @todo r=bird: This is not really the node to the successor, but
140 * rather the OUR node in the list. If it helps, remember that
141 * its a doubly linked list. */
142 RTLISTNODE NodeSucc;
143 /** Name (and full path) of guest property. */
144 char *pszName;
145 /** The last value stored (for reference). */
146 char *pszValue;
147 /** Reset value to write if property is temporary. If NULL, it will be
148 * deleted. */
149 char *pszValueReset;
150 /** Flags. */
151 uint32_t fFlags;
152} VBOXSERVICEVEPROPCACHEENTRY;
153/** Pointer to a cached guest property. */
154typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
155
156#endif /* VBOX_WITH_GUEST_PROPS */
157
158RT_C_DECLS_BEGIN
159
160extern char *g_pszProgName;
161extern int g_cVerbosity;
162extern char g_szLogFile[RTPATH_MAX + 128];
163extern uint32_t g_DefaultInterval;
164extern VBOXSERVICE g_TimeSync;
165extern VBOXSERVICE g_Clipboard;
166extern VBOXSERVICE g_Control;
167extern VBOXSERVICE g_VMInfo;
168extern VBOXSERVICE g_CpuHotPlug;
169#ifdef VBOXSERVICE_MANAGEMENT
170extern VBOXSERVICE g_MemBalloon;
171extern VBOXSERVICE g_VMStatistics;
172#endif
173#ifdef VBOXSERVICE_PAGE_SHARING
174extern VBOXSERVICE g_PageSharing;
175#endif
176#ifdef VBOX_WITH_SHARED_FOLDERS
177extern VBOXSERVICE g_AutoMount;
178#endif
179#ifdef VBOXSERVICE_WITH_DISPLAY
180extern VBOXSERVICE g_Display;
181#endif
182#ifdef DEBUG
183extern RTCRITSECT g_csLog; /* For guest process stdout dumping. */
184#endif
185
186extern RTEXITCODE VBoxServiceSyntax(const char *pszFormat, ...);
187extern RTEXITCODE VBoxServiceError(const char *pszFormat, ...);
188extern void VBoxServiceVerbose(int iLevel, const char *pszFormat, ...);
189extern int VBoxServiceArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
190 uint32_t u32Min, uint32_t u32Max);
191extern int VBoxServiceStartServices(void);
192extern int VBoxServiceStopServices(void);
193extern void VBoxServiceMainWait(void);
194extern int VBoxServiceReportStatus(VBoxGuestFacilityStatus enmStatus);
195#ifdef RT_OS_WINDOWS
196extern RTEXITCODE VBoxServiceWinInstall(void);
197extern RTEXITCODE VBoxServiceWinUninstall(void);
198extern RTEXITCODE VBoxServiceWinEnterCtrlDispatcher(void);
199extern void VBoxServiceWinSetStopPendingStatus(uint32_t uCheckPoint);
200#endif
201
202#ifdef VBOXSERVICE_TOOLBOX
203extern bool VBoxServiceToolboxMain(int argc, char **argv, RTEXITCODE *prcExit);
204#endif
205
206#ifdef RT_OS_WINDOWS
207# ifdef VBOX_WITH_GUEST_PROPS
208extern int VBoxServiceVMInfoWinWriteUsers(PVBOXSERVICEVEPROPCACHE pCache, char **ppszUserList, uint32_t *pcUsersInList);
209extern int VBoxServiceWinGetComponentVersions(uint32_t uiClientID);
210# endif /* VBOX_WITH_GUEST_PROPS */
211#endif /* RT_OS_WINDOWS */
212
213#ifdef VBOXSERVICE_MANAGEMENT
214extern uint32_t VBoxServiceBalloonQueryPages(uint32_t cbPage);
215#endif
216#if defined(VBOXSERVICE_PAGE_SHARING)
217extern RTEXITCODE VBoxServicePageSharingInitFork(void);
218#endif
219extern int VBoxServiceVMInfoSignal(void);
220
221RT_C_DECLS_END
222
223#endif
224
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