VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 29040

Last change on this file since 29040 was 29040, checked in by vboxsync, 15 years ago

VBoxService/PropCache: Finished some todos, IPRT: Added VINF_NO_CHANGE.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 10.8 KB
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1/* $Id: VBoxServiceInternal.h 29040 2010-05-04 20:09:03Z 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/** Structure for storing the looked up user information. */
105typedef struct
106{
107 WCHAR wszUser[_MAX_PATH];
108 WCHAR wszAuthenticationPackage[_MAX_PATH];
109 WCHAR wszLogonDomain[_MAX_PATH];
110} VBOXSERVICEVMINFOUSER, *PVBOXSERVICEVMINFOUSER;
111/** Structure for the file information lookup. */
112typedef struct
113{
114 char *pszFilePath;
115 char *pszFileName;
116} VBOXSERVICEVMINFOFILE, *PVBOXSERVICEVMINFOFILE;
117/** Structure for process information lookup. */
118typedef struct
119{
120 DWORD id;
121 LUID luid;
122} VBOXSERVICEVMINFOPROC, *PVBOXSERVICEVMINFOPROC;
123/** Function prototypes for dynamic loading. */
124typedef DWORD (WINAPI *PFNWTSGETACTIVECONSOLESESSIONID)(void);
125
126#endif /* RT_OS_WINDOWS */
127#ifdef VBOX_WITH_GUEST_CONTROL
128
129enum VBOXSERVICECTRLTHREADDATATYPE
130{
131 VBoxServiceCtrlThreadDataUnknown = 0,
132 VBoxServiceCtrlThreadDataExec = 1
133};
134
135typedef struct
136{
137 uint8_t *pbData;
138 uint32_t cbSize;
139 uint32_t cbOffset;
140 uint32_t cbRead;
141 RTCRITSECT CritSect;
142} VBOXSERVICECTRLEXECPIPEBUF;
143/** Pointer to thread data. */
144typedef VBOXSERVICECTRLEXECPIPEBUF *PVBOXSERVICECTRLEXECPIPEBUF;
145
146/* Structure for holding guest exection relevant data. */
147typedef struct
148{
149 uint32_t uPID;
150 char *pszCmd;
151 uint32_t uFlags;
152 char **papszArgs;
153 uint32_t uNumArgs;
154 char **papszEnv;
155 uint32_t uNumEnvVars;
156 char *pszStdIn;
157 char *pszStdOut;
158 char *pszStdErr;
159 char *pszUser;
160 char *pszPassword;
161 uint32_t uTimeLimitMS;
162
163 VBOXSERVICECTRLEXECPIPEBUF stdOut;
164 VBOXSERVICECTRLEXECPIPEBUF stdErr;
165
166} VBOXSERVICECTRLTHREADDATAEXEC;
167/** Pointer to thread data. */
168typedef VBOXSERVICECTRLTHREADDATAEXEC *PVBOXSERVICECTRLTHREADDATAEXEC;
169
170/* Structure for holding thread relevant data. */
171typedef struct VBOXSERVICECTRLTHREAD
172{
173 /** Node. */
174 RTLISTNODE Node;
175 /** The worker thread. */
176 RTTHREAD Thread;
177 /** Shutdown indicator. */
178 bool volatile fShutdown;
179 /** Indicator set by the service thread exiting. */
180 bool volatile fStopped;
181 /** Whether the service was started or not. */
182 bool fStarted;
183 /** Client ID. */
184 uint32_t uClientID;
185 /** Context ID. */
186 uint32_t uContextID;
187 /** Type of thread. See VBOXSERVICECTRLTHREADDATATYPE for more info. */
188 VBOXSERVICECTRLTHREADDATATYPE enmType;
189 /** Pointer to actual thread data, depending on enmType. */
190 void *pvData;
191} VBOXSERVICECTRLTHREAD;
192/** Pointer to thread data. */
193typedef VBOXSERVICECTRLTHREAD *PVBOXSERVICECTRLTHREAD;
194
195/**
196 * For buffering process input supplied by the client.
197 */
198typedef struct VBOXSERVICECTRLSTDINBUF
199{
200 /** The mount of buffered data. */
201 size_t cb;
202 /** The current data offset. */
203 size_t off;
204 /** The data buffer. */
205 char *pch;
206 /** The amount of allocated buffer space. */
207 size_t cbAllocated;
208 /** Send further input into the bit bucket (stdin is dead). */
209 bool fBitBucket;
210 /** The CRC-32 for standard input (received part). */
211 uint32_t uCrc32;
212} VBOXSERVICECTRLSTDINBUF;
213/** Pointer to a standard input buffer. */
214typedef VBOXSERVICECTRLSTDINBUF *PVBOXSERVICECTRLSTDINBUF;
215
216#endif /* VBOX_WITH_GUEST_CONTROL */
217#ifdef VBOX_WITH_GUEST_PROPS
218
219/**
220 * A guest property cache.
221 */
222typedef struct VBOXSERVICEVEPROPCACHE
223{
224 /** The client ID for HGCM communication. */
225 uint32_t uClientID;
226 /** List of VBOXSERVICEVEPROPCACHEENTRY nodes. */
227 RTLISTNODE ListEntries;
228 /** Critical section for thread-safe use. */
229 RTCRITSECT CritSect;
230} VBOXSERVICEVEPROPCACHE;
231/** Pointer to a guest property cache. */
232typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
233
234/**
235 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
236 */
237typedef struct VBOXSERVICEVEPROPCACHEENTRY
238{
239 /** Node. */
240 RTLISTNODE Node;
241 /** Name (and full path) of guest property. */
242 char *pszName;
243 /** The last value stored (for reference). */
244 char *pszValue;
245 /** Reset value to write if property is temporary. If NULL, it will be
246 * deleted. */
247 char *pszValueReset;
248 /** Flags. */
249 uint32_t fFlags;
250} VBOXSERVICEVEPROPCACHEENTRY;
251/** Pointer to a cached guest property. */
252typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
253
254#endif /* VBOX_WITH_GUEST_PROPS */
255
256RT_C_DECLS_BEGIN
257
258extern char *g_pszProgName;
259extern int g_cVerbosity;
260extern uint32_t g_DefaultInterval;
261
262extern int VBoxServiceSyntax(const char *pszFormat, ...);
263extern int VBoxServiceError(const char *pszFormat, ...);
264extern void VBoxServiceVerbose(int iLevel, const char *pszFormat, ...);
265extern int VBoxServiceArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32, uint32_t u32Min, uint32_t u32Max);
266extern unsigned VBoxServiceGetStartedServices(void);
267extern int VBoxServiceStartServices(unsigned iMain);
268extern int VBoxServiceStopServices(void);
269
270extern VBOXSERVICE g_TimeSync;
271extern VBOXSERVICE g_Clipboard;
272extern VBOXSERVICE g_Control;
273extern VBOXSERVICE g_VMInfo;
274extern VBOXSERVICE g_Exec;
275extern VBOXSERVICE g_CpuHotPlug;
276#ifdef VBOXSERVICE_MANAGEMENT
277extern VBOXSERVICE g_MemBalloon;
278extern VBOXSERVICE g_VMStatistics;
279#endif
280#ifdef VBOX_WITH_PAGE_SHARING
281extern VBOXSERVICE g_PageSharing;
282#endif
283
284#ifdef RT_OS_WINDOWS
285extern DWORD g_rcWinService;
286extern SERVICE_TABLE_ENTRY const g_aServiceTable[]; /** @todo generate on the fly, see comment in main() from the enabled sub services. */
287extern PFNWTSGETACTIVECONSOLESESSIONID g_pfnWTSGetActiveConsoleSessionId; /* VBoxServiceVMInfo-win.cpp */
288
289extern int VBoxServiceWinInstall(void);
290extern int VBoxServiceWinUninstall(void);
291extern BOOL VBoxServiceWinSetStatus(DWORD dwStatus, DWORD dwCheckPoint);
292# ifdef VBOX_WITH_GUEST_PROPS
293extern bool VBoxServiceVMInfoWinSessionHasProcesses(PLUID pSession, VBOXSERVICEVMINFOPROC const *paProcs, DWORD cProcs);
294extern bool VBoxServiceVMInfoWinIsLoggedIn(PVBOXSERVICEVMINFOUSER a_pUserInfo, PLUID a_pSession);
295extern int VBoxServiceVMInfoWinProcessesEnumerate(PVBOXSERVICEVMINFOPROC *ppProc, DWORD *pdwCount);
296extern void VBoxServiceVMInfoWinProcessesFree(PVBOXSERVICEVMINFOPROC paProcs);
297extern int VBoxServiceWinGetComponentVersions(uint32_t uiClientID);
298# endif /* VBOX_WITH_GUEST_PROPS */
299#endif /* RT_OS_WINDOWS */
300
301#ifdef VBOX_WITH_GUEST_CONTROL
302extern int VBoxServiceControlExecProcess(uint32_t uContext, const char *pszCmd, uint32_t uFlags,
303 const char *pszArgs, uint32_t uNumArgs,
304 const char *pszEnv, uint32_t cbEnv, uint32_t uNumEnvVars,
305 const char *pszStdIn, const char *pszStdOut, const char *pszStdErr,
306 const char *pszUser, const char *pszPassword, uint32_t uTimeLimitMS);
307extern void VBoxServiceControlExecDestroyThreadData(PVBOXSERVICECTRLTHREADDATAEXEC pThread);
308extern int VBoxServiceControlExecReadPipeBufferContent(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
309 uint8_t *pbBuffer, uint32_t cbBuffer, uint32_t *pcbToRead);
310extern int VBoxServiceControlExecWritePipeBuffer(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
311 uint8_t *pbData, uint32_t cbData);
312#endif
313
314#ifdef VBOXSERVICE_MANAGEMENT
315extern uint32_t VBoxServiceBalloonQueryPages(uint32_t cbPage);
316#endif
317
318RT_C_DECLS_END
319
320#endif
321
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