/* $Id: VBoxAutostart.h 95255 2022-06-13 09:55:08Z vboxsync $ */ /** @file * VBoxAutostart - VirtualBox Autostart service. */ /* * Copyright (C) 2012-2022 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ #ifndef VBOX_INCLUDED_SRC_VBoxAutostart_VBoxAutostart_h #define VBOX_INCLUDED_SRC_VBoxAutostart_VBoxAutostart_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif /******************************************************************************* * Header Files * *******************************************************************************/ #include #include #include #include #include #include /******************************************************************************* * Constants And Macros, Structures and Typedefs * *******************************************************************************/ /** * Config AST node types. */ typedef enum CFGASTNODETYPE { /** Invalid. */ CFGASTNODETYPE_INVALID = 0, /** Key/Value pair. */ CFGASTNODETYPE_KEYVALUE, /** Compound type. */ CFGASTNODETYPE_COMPOUND, /** List type. */ CFGASTNODETYPE_LIST, /** 32bit hack. */ CFGASTNODETYPE_32BIT_HACK = 0x7fffffff } CFGASTNODETYPE; /** Pointer to a config AST node type. */ typedef CFGASTNODETYPE *PCFGASTNODETYPE; /** Pointer to a const config AST node type. */ typedef const CFGASTNODETYPE *PCCFGASTNODETYPE; /** * Config AST. */ typedef struct CFGAST { /** AST node type. */ CFGASTNODETYPE enmType; /** Key or scope id. */ char *pszKey; /** Type dependent data. */ union { /** Key value pair. */ struct { /** Number of characters in the value - excluding terminator. */ size_t cchValue; /** Value string - variable in size. */ char aszValue[1]; } KeyValue; /** Compound type. */ struct { /** Number of AST node entries in the array. */ unsigned cAstNodes; /** AST node array - variable in size. */ struct CFGAST *apAstNodes[1]; } Compound; /** List type. */ struct { /** Number of entries in the list. */ unsigned cListEntries; /** Array of list entries - variable in size. */ char *apszEntries[1]; } List; } u; } CFGAST, *PCFGAST; /** Flag whether we are in verbose logging mode. */ extern bool g_fVerbose; /** Handle to the VirtualBox interface. */ extern ComPtr g_pVirtualBox; /** Handle to the session interface. */ extern ComPtr g_pSession; /** handle to the VirtualBox interface. */ extern ComPtr g_pVirtualBoxClient; /** * System log type. */ typedef enum AUTOSTARTLOGTYPE { /** Invalid log type. */ AUTOSTARTLOGTYPE_INVALID = 0, /** Log info message. */ AUTOSTARTLOGTYPE_INFO, /** Log error message. */ AUTOSTARTLOGTYPE_ERROR, /** Log warning message. */ AUTOSTARTLOGTYPE_WARNING, /** Log verbose message, only if verbose mode is activated. */ AUTOSTARTLOGTYPE_VERBOSE, /** Famous 32bit hack. */ AUTOSTARTLOGTYPE_32BIT_HACK = 0x7fffffff } AUTOSTARTLOGTYPE; /** * Prints the service header header (product name, version, ++) to stdout. */ DECLHIDDEN(void) autostartSvcShowHeader(void); /** * Prints the service version information header to stdout. * * @param fBrief Whether to show brief information or not. */ DECLHIDDEN(void) autostartSvcShowVersion(bool fBrief); /** * Log messages to the system and release log. * * @returns nothing. * @param pszMsg Message to log. * @param enmLogType Log type to use. */ DECLHIDDEN(void) autostartSvcOsLogStr(const char *pszMsg, AUTOSTARTLOGTYPE enmLogType); /** * Print out progress on the console. * * This runs the main event queue every now and then to prevent piling up * unhandled things (which doesn't cause real problems, just makes things * react a little slower than in the ideal case). */ DECLHIDDEN(HRESULT) showProgress(ComPtr progress); /** * Converts the machine state to a human readable string. * * @returns Pointer to the human readable state. * @param enmMachineState Machine state to convert. * @param fShort Flag whether to return a short form. */ DECLHIDDEN(const char *) machineStateToName(MachineState_T enmMachineState, bool fShort); /** * Parse the given configuration file and return the interesting config parameters. * * @returns VBox status code. * @param pszFilename The config file to parse. * @param ppCfgAst Where to store the pointer to the root AST node on success. */ DECLHIDDEN(int) autostartParseConfig(const char *pszFilename, PCFGAST *ppCfgAst); /** * Destroys the config AST and frees all resources. * * @returns nothing. * @param pCfgAst The config AST. */ DECLHIDDEN(void) autostartConfigAstDestroy(PCFGAST pCfgAst); /** * Return the config AST node with the given name or NULL if it doesn't exist. * * @returns Matching config AST node for the given name or NULL if not found. * @param pCfgAst The config ASt to search. * @param pszName The name to search for. */ DECLHIDDEN(PCFGAST) autostartConfigAstGetByName(PCFGAST pCfgAst, const char *pszName); /** * Main routine for the autostart daemon. * * @returns VBox status code. * @param pCfgAst Config AST for the startup part of the autostart daemon. */ DECLHIDDEN(int) autostartStartMain(PCFGAST pCfgAst); /** * Main routine for the autostart daemon when stopping virtual machines * during system shutdown. * * @returns VBox status code. * @param pCfgAst Config AST for the shutdown part of the autostart daemon. */ DECLHIDDEN(int) autostartStopMain(PCFGAST pCfgAst); /** * Logs a verbose message to the appropriate system log and stdout + release log (if configured). * * @param cVerbosity Verbosity level when logging should happen. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogVerboseV(unsigned cVerbosity, const char *pszFormat, va_list va); /** * Logs a verbose message to the appropriate system log and stdout + release log (if configured). * * @param cVerbosity Verbosity level when logging should happen. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogVerbose(unsigned cVerbosity, const char *pszFormat, ...); /** * Logs a warning message to the appropriate system log and stdout + release log (if configured). * * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogWarningV(const char *pszFormat, va_list va); /** * Logs a warning message to the appropriate system log and stdout + release log (if configured). * * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogWarning(const char *pszFormat, ...); /** * Logs a info message to the appropriate system log and stdout + release log (if configured). * * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogInfoV(const char *pszFormat, va_list va); /** * Logs a info message to the appropriate system log and stdout + release log (if configured). * * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(void) autostartSvcLogInfo(const char *pszFormat, ...); /** * Logs the message to the appropriate system log and stderr + release log (if configured). * * In debug builds this will also put it in the debug log. * * @returns VBox status code. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(int) autostartSvcLogErrorV(const char *pszFormat, va_list va); /** * Logs the message to the appropriate system log and stderr + release log (if configured). * * In debug builds this will also put it in the debug log. * * @returns VBox status code. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. */ DECLHIDDEN(int) autostartSvcLogError(const char *pszFormat, ...); /** * Logs the message to the appropriate system log. * * In debug builds this will also put it in the debug log. * * @returns VBox status code specified by \a rc. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. * * @note Convenience function to return directly with the specified \a rc. */ DECLHIDDEN(int) autostartSvcLogErrorRcV(int rc, const char *pszFormat, va_list va); /** * Logs the error message to the appropriate system log. * * In debug builds this will also put it in the debug log. * * @returns VBox status code specified by \a rc. * @param pszFormat The log string. No trailing newline. * @param ... Format arguments. * * @note Convenience function to return directly with the specified \a rc. */ DECLHIDDEN(int) autostartSvcLogErrorRc(int rc, const char *pszFormat, ...); /** * Deals with RTGetOpt failure, bitching in the system log. * * @returns VBox status code specified by \a rc. * @param pszAction The action name. * @param rc The RTGetOpt return value. * @param argc The argument count. * @param argv The argument vector. * @param iArg The argument index. * @param pValue The value returned by RTGetOpt. */ DECLHIDDEN(int) autostartSvcLogGetOptError(const char *pszAction, int rc, int argc, char **argv, int iArg, PCRTGETOPTUNION pValue); /** * Bitch about too many arguments (after RTGetOpt stops) in the system log. * * @returns VERR_INVALID_PARAMETER * @param pszAction The action name. * @param argc The argument count. * @param argv The argument vector. * @param iArg The argument index. */ DECLHIDDEN(int) autostartSvcLogTooManyArgsError(const char *pszAction, int argc, char **argv, int iArg); /** * Prints an error message to the screen. * * @returns RTEXITCODE * @param pszFormat The message format string. * @param va Format arguments. */ DECLHIDDEN(RTEXITCODE) autostartSvcDisplayErrorV(const char *pszFormat, va_list va); /** * Prints an error message to the screen. * * @returns RTEXITCODE * @param pszFormat The message format string. * @param ... Format arguments. */ DECLHIDDEN(RTEXITCODE) autostartSvcDisplayError(const char *pszFormat, ...); /** * Deals with RTGetOpt failure, i.e. an syntax error. * * @returns RTEXITCODE_SYNTAX * @param pszAction The action name. * @param rc The RTGetOpt return value. * @param pValue The value returned by RTGetOpt. */ DECLHIDDEN(RTEXITCODE) autostartSvcDisplayGetOptError(const char *pszAction, int rc, PCRTGETOPTUNION pValue); /** * Starts the autostart environment by initializing all needed (global) objects. * * @returns VBox status code. * * @note This currently does NOT support multiple instances, be aware of this! */ DECLHIDDEN(int) autostartSetup(void); /** * Stops the autostart environment. * * @note This currently does NOT support multiple instances, be aware of this! */ DECLHIDDEN(void) autostartShutdown(void); #endif /* !VBOX_INCLUDED_SRC_VBoxAutostart_VBoxAutostart_h */