1 | /* $Id: VBoxWatchdogInternal.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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2 | /** @file
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3 | * VBoxWatchdog - VirtualBox Watchdog Service.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2011-2020 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #ifndef VBOX_INCLUDED_SRC_VBoxBalloonCtrl_VBoxWatchdogInternal_h
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19 | #define VBOX_INCLUDED_SRC_VBoxBalloonCtrl_VBoxWatchdogInternal_h
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20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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21 | # pragma once
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22 | #endif
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23 |
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24 | #ifndef VBOX_ONLY_DOCS
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25 | # include <iprt/getopt.h>
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26 | # include <iprt/time.h>
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27 |
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28 | # include <VBox/err.h>
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29 | # include <VBox/com/com.h>
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30 | # include <VBox/com/string.h>
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31 | # include <VBox/com/Guid.h>
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32 | # include <VBox/com/array.h>
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33 | # include <VBox/com/ErrorInfo.h>
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34 | # include <VBox/com/VirtualBox.h>
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35 | #endif /* !VBOX_ONLY_DOCS */
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36 |
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37 | #include <algorithm>
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38 | #include <map>
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39 | #include <sstream>
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40 | #include <string>
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41 | #include <vector>
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42 |
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43 | using namespace com;
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44 |
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45 | ////////////////////////////////////////////////////////////////////////////////
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46 | //
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47 | // definitions
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48 | //
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49 | ////////////////////////////////////////////////////////////////////////////////
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50 |
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51 | /** Command handler argument. */
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52 | struct HandlerArg
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53 | {
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54 | int argc;
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55 | char **argv;
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56 | };
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57 |
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58 | /**
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59 | * A module's payload for a machine entry.
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60 | * The payload data is not (yet) thread safe -- so only
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61 | * use this in one module at a time only!
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62 | */
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63 | typedef struct VBOXWATCHDOG_MODULE_PAYLOAD
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64 | {
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65 | /** Pointer to allocated payload. Can be NULL if
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66 | * a module doesn't have an own payload. */
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67 | void *pvData;
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68 | /** Size of payload (in bytes). */
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69 | size_t cbData;
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70 | /** @todo Add mutex for locking + getPayloadLocked(). */
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71 | } VBOXWATCHDOG_MODULE_PAYLOAD, *PVBOXWATCHDOG_MODULE_PAYLOAD;
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72 |
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73 | /**
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74 | * Map containing a module's individual payload -- the module itself
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75 | * is responsible for allocating/handling/destroying this payload.
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76 | * Primary key is the module name.
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77 | */
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78 | typedef std::map<const char*, VBOXWATCHDOG_MODULE_PAYLOAD> mapPayload;
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79 | typedef std::map<const char*, VBOXWATCHDOG_MODULE_PAYLOAD>::iterator mapPayloadIter;
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80 | typedef std::map<const char*, VBOXWATCHDOG_MODULE_PAYLOAD>::const_iterator mapPayloadIterConst;
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81 |
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82 | /** Group list (plus additional per-group flags, not used yet) for one VM.
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83 | * Primary key is the group name, secondary specify flags (if any). */
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84 | typedef std::map<Utf8Str, uint32_t> mapGroups;
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85 | typedef std::map<Utf8Str, uint32_t>::iterator mapGroupsIter;
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86 | typedef std::map<Utf8Str, uint32_t>::const_iterator mapGroupsIterConst;
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87 |
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88 | /** A machine's internal entry.
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89 | * Primary key is the machine's UUID. */
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90 | typedef struct VBOXWATCHDOG_MACHINE
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91 | {
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92 | ComPtr<IMachine> machine;
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93 | /** The machine's name. For logging. */
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94 | Bstr strName;
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95 | #ifndef VBOX_WATCHDOG_GLOBAL_PERFCOL
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96 | ComPtr<IPerformanceCollector> collector;
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97 | #endif
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98 | /** The group(s) this machine belongs to. */
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99 | mapGroups groups;
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100 | /** Map containing the individual module payloads. */
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101 | mapPayload payload;
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102 | } VBOXWATCHDOG_MACHINE, *PVBOXWATCHDOG_MACHINE;
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103 | typedef std::map<Bstr, VBOXWATCHDOG_MACHINE> mapVM;
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104 | typedef std::map<Bstr, VBOXWATCHDOG_MACHINE>::iterator mapVMIter;
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105 | typedef std::map<Bstr, VBOXWATCHDOG_MACHINE>::const_iterator mapVMIterConst;
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106 |
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107 | /** Members of a VM group; currently only represented by the machine's UUID.
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108 | * Primary key is the machine's UUID. */
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109 | typedef std::vector<Bstr> vecGroupMembers;
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110 | typedef std::vector<Bstr>::iterator vecGroupMembersIter;
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111 | typedef std::vector<Bstr>::const_iterator vecGroupMembersIterConst;
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112 |
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113 | /** A VM group. Can contain none, one or more group members.
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114 | * Primary key is the group's name. */
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115 | typedef std::map<Utf8Str, vecGroupMembers> mapGroup;
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116 | typedef std::map<Utf8Str, vecGroupMembers>::iterator mapGroupIter;
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117 | typedef std::map<Utf8Str, vecGroupMembers>::const_iterator mapGroupIterConst;
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118 |
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119 | /**
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120 | * A module descriptor.
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121 | */
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122 | typedef struct
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123 | {
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124 | /** The short module name. */
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125 | const char *pszName;
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126 | /** The longer module name. */
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127 | const char *pszDescription;
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128 | /** A comma-separated list of modules this module
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129 | * depends on. Might be NULL if no dependencies. */
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130 | const char *pszDepends;
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131 | /** Priority (lower is higher, 0 is invalid) of
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132 | * module execution. */
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133 | uint32_t uPriority;
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134 | /** The usage options stuff for the --help screen. */
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135 | const char *pszUsage;
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136 | /** The option descriptions for the --help screen. */
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137 | const char *pszOptions;
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138 |
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139 | /**
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140 | * Called before parsing arguments.
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141 | * @returns VBox status code.
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142 | */
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143 | DECLCALLBACKMEMBER(int, pfnPreInit)(void);
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144 |
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145 | /**
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146 | * Tries to parse the given command line options.
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147 | *
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148 | * @returns 0 if we parsed, -1 if it didn't and anything else means exit.
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149 | * @param argc Argument count.
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150 | * @param argv Arguments.
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151 | * @param piConsumed How many parameters this callback consumed from the
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152 | * remaining arguments passed in.
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153 | */
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154 | DECLCALLBACKMEMBER(int, pfnOption)(int argc, char *argv[], int *piConsumed);
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155 |
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156 | /**
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157 | * Called before parsing arguments.
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158 | * @returns VBox status code.
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159 | */
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160 | DECLCALLBACKMEMBER(int, pfnInit)(void);
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161 |
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162 | /** Called from the watchdog's main function. Non-blocking.
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163 | *
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164 | * @returns VBox status code.
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165 | */
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166 | DECLCALLBACKMEMBER(int, pfnMain)(void);
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167 |
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168 | /**
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169 | * Stop the module.
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170 | */
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171 | DECLCALLBACKMEMBER(int, pfnStop)(void);
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172 |
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173 | /**
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174 | * Does termination cleanups.
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175 | *
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176 | * @remarks This may be called even if pfnInit hasn't been called!
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177 | */
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178 | DECLCALLBACKMEMBER(void, pfnTerm)(void);
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179 |
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180 | /** @name Callbacks.
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181 | * @{
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182 | */
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183 |
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184 | /**
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185 | *
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186 | * @returns VBox status code.
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187 | */
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188 | DECLCALLBACKMEMBER(int, pfnOnMachineRegistered)(const Bstr &strUuid);
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189 |
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190 | /**
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191 | *
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192 | * @returns VBox status code.
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193 | */
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194 | DECLCALLBACKMEMBER(int, pfnOnMachineUnregistered)(const Bstr &strUuid);
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195 |
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196 | /**
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197 | *
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198 | * @returns VBox status code.
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199 | */
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200 | DECLCALLBACKMEMBER(int, pfnOnMachineStateChanged)(const Bstr &strUuid, MachineState_T enmState);
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201 |
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202 | /**
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203 | *
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204 | * @returns VBox status code.
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205 | */
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206 | DECLCALLBACKMEMBER(int, pfnOnServiceStateChanged)(bool fAvailable);
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207 |
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208 | /** @} */
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209 | } VBOXMODULE;
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210 | /** Pointer to a VBOXMODULE. */
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211 | typedef VBOXMODULE *PVBOXMODULE;
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212 | /** Pointer to a const VBOXMODULE. */
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213 | typedef VBOXMODULE const *PCVBOXMODULE;
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214 |
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215 | RT_C_DECLS_BEGIN
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216 |
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217 | extern bool g_fDryrun;
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218 | extern bool g_fVerbose;
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219 | extern ComPtr<IVirtualBox> g_pVirtualBox;
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220 | extern ComPtr<ISession> g_pSession;
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221 | extern mapVM g_mapVM;
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222 | extern mapGroup g_mapGroup;
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223 | # ifdef VBOX_WATCHDOG_GLOBAL_PERFCOL
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224 | extern ComPtr<IPerformanceCollector> g_pPerfCollector;
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225 | # endif
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226 |
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227 | extern VBOXMODULE g_ModBallooning;
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228 | extern VBOXMODULE g_ModAPIMonitor;
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229 |
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230 | extern void serviceLog(const char *pszFormat, ...);
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231 | #define serviceLogVerbose(a) if (g_fVerbose) { serviceLog a; }
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232 |
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233 | int groupAdd(mapGroups &groups, const char *pszGroupsToAdd, uint32_t fFlags);
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234 |
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235 | extern int getMetric(PVBOXWATCHDOG_MACHINE pMachine, const Bstr& strName, LONG *pulData);
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236 | void* payloadFrom(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule);
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237 | int payloadAlloc(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule, size_t cbSize, void **ppszPayload);
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238 | void payloadFree(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule);
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239 |
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240 | PVBOXWATCHDOG_MACHINE getMachine(const Bstr& strUuid);
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241 | MachineState_T getMachineState(const PVBOXWATCHDOG_MACHINE pMachine);
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242 |
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243 | int cfgGetValueStr(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
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244 | const char *pszGlobal, const char *pszVM, Utf8Str &strValue, Utf8Str strDefault);
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245 | int cfgGetValueU32(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
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246 | const char *pszGlobal, const char *pszVM, uint32_t *puValue, uint32_t uDefault);
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247 | RT_C_DECLS_END
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248 |
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249 | #endif /* !VBOX_INCLUDED_SRC_VBoxBalloonCtrl_VBoxWatchdogInternal_h */
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250 |
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