VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 34079

Last change on this file since 34079 was 33540, checked in by vboxsync, 14 years ago

*: spelling fixes, thanks Timeless!

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 11.1 KB
Line 
1/* $Id: VBoxServiceInternal.h 33540 2010-10-28 09:27:05Z 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/** The service name (needed for mutex creation on Windows). */
95#define VBOXSERVICE_NAME "VBoxService"
96
97#ifdef RT_OS_WINDOWS
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#endif /* RT_OS_WINDOWS */
105
106#ifdef VBOX_WITH_GUEST_CONTROL
107typedef enum VBOXSERVICECTRLTHREADDATATYPE
108{
109 kVBoxServiceCtrlThreadDataUnknown = 0,
110 kVBoxServiceCtrlThreadDataExec
111} VBOXSERVICECTRLTHREADDATATYPE;
112
113typedef enum VBOXSERVICECTRLPIPEID
114{
115 VBOXSERVICECTRLPIPEID_STDIN_ERROR = 0,
116 VBOXSERVICECTRLPIPEID_STDIN_WRITABLE,
117 VBOXSERVICECTRLPIPEID_STDIN_INPUT_NOTIFY,
118 VBOXSERVICECTRLPIPEID_STDOUT,
119 VBOXSERVICECTRLPIPEID_STDERR
120} VBOXSERVICECTRLPIPEID;
121
122/**
123 * Structure for holding buffered pipe data.
124 */
125typedef struct
126{
127 /** The data buffer. */
128 uint8_t *pbData;
129 /** The amount of allocated buffer space. */
130 uint32_t cbAllocated;
131 /** The actual used/occupied buffer space. */
132 uint32_t cbSize;
133 /** Helper variable for keeping track of what
134 * already was processed and what not. */
135 uint32_t cbOffset;
136 /** Critical section protecting this buffer structure. */
137 RTCRITSECT CritSect;
138 /** Indicates the health condition of the child process. */
139 bool fAlive;
140 /** Set if it's necessary to write to the notification pipe. */
141 bool fNeedNotification;
142 /** Set if the pipe needs to be closed after the next read/write. */
143 bool fPendingClose;
144 /** The notification pipe associated with this buffer.
145 * This is NIL_RTPIPE for output pipes. */
146 RTPIPE hNotificationPipeW;
147 /** The other end of hNotificationPipeW. */
148 RTPIPE hNotificationPipeR;
149} VBOXSERVICECTRLEXECPIPEBUF;
150/** Pointer to buffered pipe data. */
151typedef VBOXSERVICECTRLEXECPIPEBUF *PVBOXSERVICECTRLEXECPIPEBUF;
152
153/**
154 * Structure for holding guest exection relevant data.
155 */
156typedef struct
157{
158 uint32_t uPID;
159 char *pszCmd;
160 uint32_t uFlags;
161 char **papszArgs;
162 uint32_t uNumArgs;
163 char **papszEnv;
164 uint32_t uNumEnvVars;
165 char *pszUser;
166 char *pszPassword;
167 uint32_t uTimeLimitMS;
168
169 RTPIPE pipeStdInW;
170 VBOXSERVICECTRLEXECPIPEBUF stdIn;
171 VBOXSERVICECTRLEXECPIPEBUF stdOut;
172 VBOXSERVICECTRLEXECPIPEBUF stdErr;
173
174} VBOXSERVICECTRLTHREADDATAEXEC;
175/** Pointer to thread data. */
176typedef VBOXSERVICECTRLTHREADDATAEXEC *PVBOXSERVICECTRLTHREADDATAEXEC;
177
178/* Structure for holding thread relevant data. */
179typedef struct VBOXSERVICECTRLTHREAD
180{
181 /** Node. */
182 RTLISTNODE Node;
183 /** The worker thread. */
184 RTTHREAD Thread;
185 /** Shutdown indicator. */
186 bool volatile fShutdown;
187 /** Indicator set by the service thread exiting. */
188 bool volatile fStopped;
189 /** Whether the service was started or not. */
190 bool fStarted;
191 /** Client ID. */
192 uint32_t uClientID;
193 /** Context ID. */
194 uint32_t uContextID;
195 /** Type of thread. See VBOXSERVICECTRLTHREADDATATYPE for more info. */
196 VBOXSERVICECTRLTHREADDATATYPE enmType;
197 /** Pointer to actual thread data, depending on enmType. */
198 void *pvData;
199} VBOXSERVICECTRLTHREAD;
200/** Pointer to thread data. */
201typedef VBOXSERVICECTRLTHREAD *PVBOXSERVICECTRLTHREAD;
202#endif /* VBOX_WITH_GUEST_CONTROL */
203#ifdef VBOX_WITH_GUEST_PROPS
204
205/**
206 * A guest property cache.
207 */
208typedef struct VBOXSERVICEVEPROPCACHE
209{
210 /** The client ID for HGCM communication. */
211 uint32_t uClientID;
212 /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
213 RTLISTNODE NodeHead;
214 /** Critical section for thread-safe use. */
215 RTCRITSECT CritSect;
216} VBOXSERVICEVEPROPCACHE;
217/** Pointer to a guest property cache. */
218typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
219
220/**
221 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
222 */
223typedef struct VBOXSERVICEVEPROPCACHEENTRY
224{
225 /** Node to successor.
226 * @todo r=bird: This is not really the node to the successor, but
227 * rather the OUR node in the list. If it helps, remember that
228 * its a doubly linked list. */
229 RTLISTNODE NodeSucc;
230 /** Name (and full path) of guest property. */
231 char *pszName;
232 /** The last value stored (for reference). */
233 char *pszValue;
234 /** Reset value to write if property is temporary. If NULL, it will be
235 * deleted. */
236 char *pszValueReset;
237 /** Flags. */
238 uint32_t fFlags;
239} VBOXSERVICEVEPROPCACHEENTRY;
240/** Pointer to a cached guest property. */
241typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
242
243#endif /* VBOX_WITH_GUEST_PROPS */
244
245RT_C_DECLS_BEGIN
246
247extern char *g_pszProgName;
248extern int g_cVerbosity;
249extern uint32_t g_DefaultInterval;
250extern VBOXSERVICE g_TimeSync;
251extern VBOXSERVICE g_Clipboard;
252extern VBOXSERVICE g_Control;
253extern VBOXSERVICE g_VMInfo;
254extern VBOXSERVICE g_CpuHotPlug;
255#ifdef VBOXSERVICE_MANAGEMENT
256extern VBOXSERVICE g_MemBalloon;
257extern VBOXSERVICE g_VMStatistics;
258#endif
259#ifdef VBOX_WITH_PAGE_SHARING
260extern VBOXSERVICE g_PageSharing;
261#endif
262#ifdef VBOX_WITH_SHARED_FOLDERS
263extern VBOXSERVICE g_AutoMount;
264#endif
265
266extern RTEXITCODE VBoxServiceSyntax(const char *pszFormat, ...);
267extern RTEXITCODE VBoxServiceError(const char *pszFormat, ...);
268extern void VBoxServiceVerbose(int iLevel, const char *pszFormat, ...);
269extern int VBoxServiceArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
270 uint32_t u32Min, uint32_t u32Max);
271extern int VBoxServiceStartServices(void);
272extern int VBoxServiceStopServices(void);
273extern void VBoxServiceMainWait(void);
274#ifdef RT_OS_WINDOWS
275extern RTEXITCODE VBoxServiceWinInstall(void);
276extern RTEXITCODE VBoxServiceWinUninstall(void);
277extern RTEXITCODE VBoxServiceWinEnterCtrlDispatcher(void);
278extern void VBoxServiceWinSetStopPendingStatus(uint32_t uCheckPoint);
279#endif
280
281#ifdef VBOXSERVICE_TOOLBOX
282extern int VBoxServiceToolboxMain(int argc, char **argv);
283#endif
284
285#ifdef RT_OS_WINDOWS
286# ifdef VBOX_WITH_GUEST_PROPS
287extern int VBoxServiceVMInfoWinWriteUsers(char **ppszUserList, uint32_t *pcUsersInList);
288extern int VBoxServiceWinGetComponentVersions(uint32_t uiClientID);
289# endif /* VBOX_WITH_GUEST_PROPS */
290#endif /* RT_OS_WINDOWS */
291
292#ifdef VBOX_WITH_GUEST_CONTROL
293extern int VBoxServiceControlExecHandleCmdStartProcess(uint32_t u32ClientId, uint32_t uNumParms);
294extern int VBoxServiceControlExecHandleCmdSetInput(uint32_t u32ClientId, uint32_t uNumParms);
295extern int VBoxServiceControlExecHandleCmdGetOutput(uint32_t u32ClientId, uint32_t uNumParms);
296extern int VBoxServiceControlExecProcess(uint32_t uContext, const char *pszCmd, uint32_t uFlags,
297 const char *pszArgs, uint32_t uNumArgs,
298 const char *pszEnv, uint32_t cbEnv, uint32_t uNumEnvVars,
299 const char *pszUser, const char *pszPassword, uint32_t uTimeLimitMS);
300extern void VBoxServiceControlExecDestroyThreadData(PVBOXSERVICECTRLTHREADDATAEXEC pThread);
301extern void VBoxServiceControlExecDeletePipeBuffer(PVBOXSERVICECTRLEXECPIPEBUF pBuf);
302extern int VBoxServiceControlExecReadPipeBufferContent(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
303 uint8_t *pbBuffer, uint32_t cbBuffer, uint32_t *pcbToRead);
304extern int VBoxServiceControlExecWritePipeBuffer(PVBOXSERVICECTRLEXECPIPEBUF pBuf,
305 uint8_t *pbData, uint32_t cbData, bool fPendingClose, uint32_t *pcbWritten);
306#endif /* VBOX_WITH_GUEST_CONTROL */
307
308#ifdef VBOXSERVICE_MANAGEMENT
309extern uint32_t VBoxServiceBalloonQueryPages(uint32_t cbPage);
310#endif
311#if defined(VBOX_WITH_PAGE_SHARING) && defined(RT_OS_WINDOWS)
312extern RTEXITCODE VBoxServicePageSharingInitFork(void);
313#endif
314
315RT_C_DECLS_END
316
317#endif
318
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