VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 51503

Last change on this file since 51503 was 51503, checked in by vboxsync, 11 years ago

Additions/common/VBoxService: make most service call-back functions optional.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 7.4 KB
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1/* $Id: VBoxServiceInternal.h 51503 2014-06-03 07:24:46Z 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.215389.xyz. 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. Optional.
49 * @returns VBox status code.
50 */
51 DECLCALLBACKMEMBER(int, pfnPreInit)(void);
52
53 /**
54 * Tries to parse the given command line option. Optional.
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. Optional.
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. If the service can safely be stopped at any time this
82 * may be left NULL.
83 */
84 DECLCALLBACKMEMBER(void, pfnStop)(void);
85
86 /**
87 * Does termination cleanups. Optional.
88 *
89 * @remarks This may be called even if pfnInit hasn't been called!
90 */
91 DECLCALLBACKMEMBER(void, pfnTerm)(void);
92} VBOXSERVICE;
93/** Pointer to a VBOXSERVICE. */
94typedef VBOXSERVICE *PVBOXSERVICE;
95/** Pointer to a const VBOXSERVICE. */
96typedef VBOXSERVICE const *PCVBOXSERVICE;
97
98/** The service name.
99 * @note Used on windows to name the service as well as the global mutex. */
100#define VBOXSERVICE_NAME "VBoxService"
101
102#ifdef RT_OS_WINDOWS
103/** The friendly service name. */
104# define VBOXSERVICE_FRIENDLY_NAME "VirtualBox Guest Additions Service"
105/** The service description (only W2K+ atm) */
106# define VBOXSERVICE_DESCRIPTION "Manages VM runtime information, time synchronization, guest control execution and miscellaneous utilities for guest operating systems."
107/** The following constant may be defined by including NtStatus.h. */
108# define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
109#endif /* RT_OS_WINDOWS */
110
111#ifdef VBOX_WITH_GUEST_PROPS
112/**
113 * A guest property cache.
114 */
115typedef struct VBOXSERVICEVEPROPCACHE
116{
117 /** The client ID for HGCM communication. */
118 uint32_t uClientID;
119 /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
120 RTLISTANCHOR NodeHead;
121 /** Critical section for thread-safe use. */
122 RTCRITSECT CritSect;
123} VBOXSERVICEVEPROPCACHE;
124/** Pointer to a guest property cache. */
125typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
126
127/**
128 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
129 */
130typedef struct VBOXSERVICEVEPROPCACHEENTRY
131{
132 /** Node to successor.
133 * @todo r=bird: This is not really the node to the successor, but
134 * rather the OUR node in the list. If it helps, remember that
135 * its a doubly linked list. */
136 RTLISTNODE NodeSucc;
137 /** Name (and full path) of guest property. */
138 char *pszName;
139 /** The last value stored (for reference). */
140 char *pszValue;
141 /** Reset value to write if property is temporary. If NULL, it will be
142 * deleted. */
143 char *pszValueReset;
144 /** Flags. */
145 uint32_t fFlags;
146} VBOXSERVICEVEPROPCACHEENTRY;
147/** Pointer to a cached guest property. */
148typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
149
150#endif /* VBOX_WITH_GUEST_PROPS */
151
152RT_C_DECLS_BEGIN
153
154extern char *g_pszProgName;
155extern int g_cVerbosity;
156extern char g_szLogFile[RTPATH_MAX + 128];
157extern uint32_t g_DefaultInterval;
158extern VBOXSERVICE g_TimeSync;
159extern VBOXSERVICE g_Clipboard;
160extern VBOXSERVICE g_Control;
161extern VBOXSERVICE g_VMInfo;
162extern VBOXSERVICE g_CpuHotPlug;
163#ifdef VBOXSERVICE_MANAGEMENT
164extern VBOXSERVICE g_MemBalloon;
165extern VBOXSERVICE g_VMStatistics;
166#endif
167#ifdef VBOXSERVICE_PAGE_SHARING
168extern VBOXSERVICE g_PageSharing;
169#endif
170#ifdef VBOX_WITH_SHARED_FOLDERS
171extern VBOXSERVICE g_AutoMount;
172#endif
173#ifdef DEBUG
174extern RTCRITSECT g_csLog; /* For guest process stdout dumping. */
175#endif
176
177extern RTEXITCODE VBoxServiceSyntax(const char *pszFormat, ...);
178extern RTEXITCODE VBoxServiceError(const char *pszFormat, ...);
179extern void VBoxServiceVerbose(int iLevel, const char *pszFormat, ...);
180extern int VBoxServiceArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
181 uint32_t u32Min, uint32_t u32Max);
182extern int VBoxServiceStartServices(void);
183extern int VBoxServiceStopServices(void);
184extern void VBoxServiceMainWait(void);
185extern int VBoxServiceReportStatus(VBoxGuestFacilityStatus enmStatus);
186#ifdef RT_OS_WINDOWS
187extern RTEXITCODE VBoxServiceWinInstall(void);
188extern RTEXITCODE VBoxServiceWinUninstall(void);
189extern RTEXITCODE VBoxServiceWinEnterCtrlDispatcher(void);
190extern void VBoxServiceWinSetStopPendingStatus(uint32_t uCheckPoint);
191#endif
192
193#ifdef VBOXSERVICE_TOOLBOX
194extern bool VBoxServiceToolboxMain(int argc, char **argv, RTEXITCODE *prcExit);
195#endif
196
197#ifdef RT_OS_WINDOWS
198# ifdef VBOX_WITH_GUEST_PROPS
199extern int VBoxServiceVMInfoWinWriteUsers(PVBOXSERVICEVEPROPCACHE pCache, char **ppszUserList, uint32_t *pcUsersInList);
200extern int VBoxServiceWinGetComponentVersions(uint32_t uiClientID);
201# endif /* VBOX_WITH_GUEST_PROPS */
202#endif /* RT_OS_WINDOWS */
203
204#ifdef VBOXSERVICE_MANAGEMENT
205extern uint32_t VBoxServiceBalloonQueryPages(uint32_t cbPage);
206#endif
207#if defined(VBOXSERVICE_PAGE_SHARING)
208extern RTEXITCODE VBoxServicePageSharingInitFork(void);
209#endif
210extern int VBoxServiceVMInfoSignal(void);
211
212RT_C_DECLS_END
213
214#endif
215
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