VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 30671

Last change on this file since 30671 was 30601, checked in by vboxsync, 14 years ago

VBoxService: VBoxServicePageSharingInitFork shouldn't return void. Why don't the compilers throw an error on this?

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  • Property svn:keywords set to Author Date Id Revision
File size: 9.9 KB
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1/* $Id: VBoxServiceInternal.h 30601 2010-07-05 11:22:54Z vboxsync $ */
2/** @file
3 * VBoxService - Guest Additions Services.
4 */
5
6/*
7 * Copyright (C) 2007-2010 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/**
31 * A service descriptor.
32 */
33typedef struct
34{
35 /** The short service name. */
36 const char *pszName;
37 /** The longer service name. */
38 const char *pszDescription;
39 /** The usage options stuff for the --help screen. */
40 const char *pszUsage;
41 /** The option descriptions for the --help screen. */
42 const char *pszOptions;
43
44 /**
45 * Called before parsing arguments.
46 * @returns VBox status code.
47 */
48 DECLCALLBACKMEMBER(int, pfnPreInit)(void);
49
50 /**
51 * Tries to parse the given command line option.
52 *
53 * @returns 0 if we parsed, -1 if it didn't and anything else means exit.
54 * @param ppszShort If not NULL it points to the short option iterator. a short argument.
55 * If NULL examine argv[*pi].
56 * @param argc The argument count.
57 * @param argv The argument vector.
58 * @param pi The argument vector index. Update if any value(s) are eaten.
59 */
60 DECLCALLBACKMEMBER(int, pfnOption)(const char **ppszShort, int argc, char **argv, int *pi);
61
62 /**
63 * Called before parsing arguments.
64 * @returns VBox status code.
65 */
66 DECLCALLBACKMEMBER(int, pfnInit)(void);
67
68 /** Called from the worker thread.
69 *
70 * @returns VBox status code.
71 * @retval VINF_SUCCESS if exitting because *pfTerminate was set.
72 * @param pfTerminate Pointer to a per service termination flag to check
73 * before and after blocking.
74 */
75 DECLCALLBACKMEMBER(int, pfnWorker)(bool volatile *pfTerminate);
76
77 /**
78 * Stop an service.
79 */
80 DECLCALLBACKMEMBER(void, pfnStop)(void);
81
82 /**
83 * Does termination cleanups.
84 *
85 * @remarks This may be called even if pfnInit hasn't been called!
86 */
87 DECLCALLBACKMEMBER(void, pfnTerm)(void);
88} VBOXSERVICE;
89/** Pointer to a VBOXSERVICE. */
90typedef VBOXSERVICE *PVBOXSERVICE;
91/** Pointer to a const VBOXSERVICE. */
92typedef VBOXSERVICE const *PCVBOXSERVICE;
93
94#ifdef RT_OS_WINDOWS
95
96/** The service name (needed for mutex creation on Windows). */
97# define VBOXSERVICE_NAME "VBoxService"
98/** The friendly service name. */
99# define VBOXSERVICE_FRIENDLY_NAME "VirtualBox Guest Additions Service"
100/** The service description (only W2K+ atm) */
101# define VBOXSERVICE_DESCRIPTION "Manages VM runtime information, time synchronization, remote sysprep execution and miscellaneous utilities for guest operating systems."
102/** The following constant may be defined by including NtStatus.h. */
103# define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
104
105#endif /* RT_OS_WINDOWS */
106#ifdef VBOX_WITH_GUEST_CONTROL
107
108enum VBOXSERVICECTRLTHREADDATATYPE
109{
110 VBoxServiceCtrlThreadDataUnknown = 0,
111 VBoxServiceCtrlThreadDataExec = 1
112};
113
114typedef struct
115{
116 uint8_t *pbData;
117 uint32_t cbSize;
118 uint32_t cbOffset;
119 uint32_t cbRead;
120 RTCRITSECT CritSect;
121} VBOXSERVICECTRLEXECPIPEBUF;
122/** Pointer to thread data. */
123typedef VBOXSERVICECTRLEXECPIPEBUF *PVBOXSERVICECTRLEXECPIPEBUF;
124
125/* Structure for holding guest exection relevant data. */
126typedef struct
127{
128 uint32_t uPID;
129 char *pszCmd;
130 uint32_t uFlags;
131 char **papszArgs;
132 uint32_t uNumArgs;
133 char **papszEnv;
134 uint32_t uNumEnvVars;
135 char *pszUser;
136 char *pszPassword;
137 uint32_t uTimeLimitMS;
138
139 VBOXSERVICECTRLEXECPIPEBUF stdOut;
140 VBOXSERVICECTRLEXECPIPEBUF stdErr;
141
142} VBOXSERVICECTRLTHREADDATAEXEC;
143/** Pointer to thread data. */
144typedef VBOXSERVICECTRLTHREADDATAEXEC *PVBOXSERVICECTRLTHREADDATAEXEC;
145
146/* Structure for holding thread relevant data. */
147typedef struct VBOXSERVICECTRLTHREAD
148{
149 /** Node. */
150 RTLISTNODE Node;
151 /** The worker thread. */
152 RTTHREAD Thread;
153 /** Shutdown indicator. */
154 bool volatile fShutdown;
155 /** Indicator set by the service thread exiting. */
156 bool volatile fStopped;
157 /** Whether the service was started or not. */
158 bool fStarted;
159 /** Client ID. */
160 uint32_t uClientID;
161 /** Context ID. */
162 uint32_t uContextID;
163 /** Type of thread. See VBOXSERVICECTRLTHREADDATATYPE for more info. */
164 VBOXSERVICECTRLTHREADDATATYPE enmType;
165 /** Pointer to actual thread data, depending on enmType. */
166 void *pvData;
167} VBOXSERVICECTRLTHREAD;
168/** Pointer to thread data. */
169typedef VBOXSERVICECTRLTHREAD *PVBOXSERVICECTRLTHREAD;
170
171/**
172 * For buffering process input supplied by the client.
173 */
174typedef struct VBOXSERVICECTRLSTDINBUF
175{
176 /** The mount of buffered data. */
177 size_t cb;
178 /** The current data offset. */
179 size_t off;
180 /** The data buffer. */
181 char *pch;
182 /** The amount of allocated buffer space. */
183 size_t cbAllocated;
184 /** Send further input into the bit bucket (stdin is dead). */
185 bool fBitBucket;
186 /** The CRC-32 for standard input (received part). */
187 uint32_t uCrc32;
188} VBOXSERVICECTRLSTDINBUF;
189/** Pointer to a standard input buffer. */
190typedef VBOXSERVICECTRLSTDINBUF *PVBOXSERVICECTRLSTDINBUF;
191
192#endif /* VBOX_WITH_GUEST_CONTROL */
193#ifdef VBOX_WITH_GUEST_PROPS
194
195/**
196 * A guest property cache.
197 */
198typedef struct VBOXSERVICEVEPROPCACHE
199{
200 /** The client ID for HGCM communication. */
201 uint32_t uClientID;
202 /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
203 RTLISTNODE NodeHead;
204 /** Critical section for thread-safe use. */
205 RTCRITSECT CritSect;
206} VBOXSERVICEVEPROPCACHE;
207/** Pointer to a guest property cache. */
208typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
209
210/**
211 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
212 */
213typedef struct VBOXSERVICEVEPROPCACHEENTRY
214{
215 /** Node to successor.
216 * @todo r=bird: This is not really the node to the successor, but
217 * rather the OUR node in the list. If it helps, remember that
218 * its a doubly linked list. */
219 RTLISTNODE NodeSucc;
220 /** Name (and full path) of guest property. */
221 char *pszName;
222 /** The last value stored (for reference). */
223 char *pszValue;
224 /** Reset value to write if property is temporary. If NULL, it will be
225 * deleted. */
226 char *pszValueReset;
227 /** Flags. */
228 uint32_t fFlags;
229} VBOXSERVICEVEPROPCACHEENTRY;
230/** Pointer to a cached guest property. */
231typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
232
233#endif /* VBOX_WITH_GUEST_PROPS */
234
235RT_C_DECLS_BEGIN
236
237extern char *g_pszProgName;
238extern int g_cVerbosity;
239extern uint32_t g_DefaultInterval;
240extern VBOXSERVICE g_TimeSync;
241extern VBOXSERVICE g_Clipboard;
242extern VBOXSERVICE g_Control;
243extern VBOXSERVICE g_VMInfo;
244extern VBOXSERVICE g_CpuHotPlug;
245#ifdef VBOXSERVICE_MANAGEMENT
246extern VBOXSERVICE g_MemBalloon;
247extern VBOXSERVICE g_VMStatistics;
248#endif
249#ifdef VBOX_WITH_PAGE_SHARING
250extern VBOXSERVICE g_PageSharing;
251#endif
252
253extern RTEXITCODE VBoxServiceSyntax(const char *pszFormat, ...);
254extern RTEXITCODE VBoxServiceError(const char *pszFormat, ...);
255extern void VBoxServiceVerbose(int iLevel, const char *pszFormat, ...);
256extern int VBoxServiceArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
257 uint32_t u32Min, uint32_t u32Max);
258extern int VBoxServiceStartServices(void);
259extern int VBoxServiceStopServices(void);
260extern void VBoxServiceMainWait(void);
261#ifdef RT_OS_WINDOWS
262extern RTEXITCODE VBoxServiceWinInstall(void);
263extern RTEXITCODE VBoxServiceWinUninstall(void);
264extern RTEXITCODE VBoxServiceWinEnterCtrlDispatcher(void);
265extern void VBoxServiceWinSetStopPendingStatus(uint32_t uCheckPoint);
266#endif
267
268#ifdef RT_OS_WINDOWS
269# ifdef VBOX_WITH_GUEST_PROPS
270extern int VBoxServiceVMInfoWinWriteUsers(char **ppszUserList, uint32_t *pcUsersInList);
271extern int VBoxServiceWinGetComponentVersions(uint32_t uiClientID);
272# endif /* VBOX_WITH_GUEST_PROPS */
273#endif /* RT_OS_WINDOWS */
274
275#ifdef VBOX_WITH_GUEST_CONTROL
276extern int VBoxServiceControlExecProcess(uint32_t uContext, const char *pszCmd, uint32_t uFlags,
277 const char *pszArgs, uint32_t uNumArgs,
278 const char *pszEnv, uint32_t cbEnv, uint32_t uNumEnvVars,
279 const char *pszUser, const char *pszPassword, uint32_t uTimeLimitMS);
280extern void VBoxServiceControlExecDestroyThreadData(PVBOXSERVICECTRLTHREADDATAEXEC pThread);
281extern int VBoxServiceControlExecReadPipeBufferContent(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
282 uint8_t *pbBuffer, uint32_t cbBuffer, uint32_t *pcbToRead);
283extern int VBoxServiceControlExecWritePipeBuffer(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
284 uint8_t *pbData, uint32_t cbData);
285#endif
286
287#ifdef VBOXSERVICE_MANAGEMENT
288extern uint32_t VBoxServiceBalloonQueryPages(uint32_t cbPage);
289#endif
290#if defined(VBOX_WITH_PAGE_SHARING) && defined(RT_OS_WINDOWS)
291extern RTEXITCODE VBoxServicePageSharingInitFork(void);
292#endif
293
294RT_C_DECLS_END
295
296#endif
297
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