| 1 | /* $Id: */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VBoxWatchdogUtils - Misc. utility functions for modules.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2011-2022 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * SPDX-License-Identifier: GPL-3.0-only
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | /*********************************************************************************************************************************
|
|---|
| 30 | * Header Files *
|
|---|
| 31 | *********************************************************************************************************************************/
|
|---|
| 32 | #include <VBox/com/array.h>
|
|---|
| 33 | #include "VBoxWatchdogInternal.h"
|
|---|
| 34 |
|
|---|
| 35 | #include <iprt/sanitized/sstream>
|
|---|
| 36 | #include <algorithm>
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | /**
|
|---|
| 40 | * Adds a group / a set of groups to the specified map.
|
|---|
| 41 | * If a group in the group map exists there will be no action.
|
|---|
| 42 | *
|
|---|
| 43 | * @return IPRT status code.
|
|---|
| 44 | * @param groups Map to add group(s) to.
|
|---|
| 45 | * @param pszGroupsToAdd Comma-separated string of one or more groups to add.
|
|---|
| 46 | * @param fFlags Flags to set to the groups added.
|
|---|
| 47 | */
|
|---|
| 48 | int groupAdd(mapGroups &groups, const char *pszGroupsToAdd, uint32_t fFlags)
|
|---|
| 49 | {
|
|---|
| 50 | AssertPtrReturn(pszGroupsToAdd, VERR_INVALID_POINTER);
|
|---|
| 51 |
|
|---|
| 52 | try
|
|---|
| 53 | {
|
|---|
| 54 | std::istringstream strGroups(pszGroupsToAdd);
|
|---|
| 55 | for(std::string strToken; getline(strGroups, strToken, ','); )
|
|---|
| 56 | {
|
|---|
| 57 | strToken.erase(remove_if(strToken.begin(), strToken.end(), isspace), strToken.end());
|
|---|
| 58 |
|
|---|
| 59 | Utf8Str strTokenUtf8(strToken.c_str());
|
|---|
| 60 | mapGroupsIterConst it = groups.find(strTokenUtf8);
|
|---|
| 61 |
|
|---|
| 62 | if (it == groups.end())
|
|---|
| 63 | groups.insert(std::make_pair(strTokenUtf8, fFlags));
|
|---|
| 64 | }
|
|---|
| 65 | }
|
|---|
| 66 | catch (...)
|
|---|
| 67 | {
|
|---|
| 68 | AssertFailed();
|
|---|
| 69 | }
|
|---|
| 70 |
|
|---|
| 71 | return VINF_SUCCESS;
|
|---|
| 72 | }
|
|---|
| 73 |
|
|---|
| 74 | /**
|
|---|
| 75 | * Retrieves a metric from a specified machine.
|
|---|
| 76 | *
|
|---|
| 77 | * @return IPRT status code.
|
|---|
| 78 | * @param pMachine Pointer to the machine's internal structure.
|
|---|
| 79 | * @param strName Name of metric to retrieve.
|
|---|
| 80 | * @param pulData Pointer to value to retrieve the actual metric value.
|
|---|
| 81 | */
|
|---|
| 82 | int getMetric(PVBOXWATCHDOG_MACHINE pMachine, const Bstr& strName, LONG *pulData)
|
|---|
| 83 | {
|
|---|
| 84 | AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
|
|---|
| 85 | AssertPtrReturn(pulData, VERR_INVALID_POINTER);
|
|---|
| 86 |
|
|---|
| 87 | /* Input. */
|
|---|
| 88 | com::SafeArray<BSTR> metricNames(1);
|
|---|
| 89 | com::SafeIfaceArray<IUnknown> metricObjects(1);
|
|---|
| 90 | pMachine->machine.queryInterfaceTo(&metricObjects[0]);
|
|---|
| 91 |
|
|---|
| 92 | /* Output. */
|
|---|
| 93 | com::SafeArray<BSTR> retNames;
|
|---|
| 94 | com::SafeIfaceArray<IUnknown> retObjects;
|
|---|
| 95 | com::SafeArray<BSTR> retUnits;
|
|---|
| 96 | com::SafeArray<ULONG> retScales;
|
|---|
| 97 | com::SafeArray<ULONG> retSequenceNumbers;
|
|---|
| 98 | com::SafeArray<ULONG> retIndices;
|
|---|
| 99 | com::SafeArray<ULONG> retLengths;
|
|---|
| 100 | com::SafeArray<LONG> retData;
|
|---|
| 101 |
|
|---|
| 102 | /* Query current memory free. */
|
|---|
| 103 | strName.cloneTo(&metricNames[0]);
|
|---|
| 104 | #ifdef VBOX_WATCHDOG_GLOBAL_PERFCOL
|
|---|
| 105 | Assert(!g_pPerfCollector.isNull());
|
|---|
| 106 | HRESULT hrc = g_pPerfCollector->QueryMetricsData(
|
|---|
| 107 | #else
|
|---|
| 108 | Assert(!pMachine->collector.isNull());
|
|---|
| 109 | HRESULT hrc = pMachine->collector->QueryMetricsData(
|
|---|
| 110 | #endif
|
|---|
| 111 | ComSafeArrayAsInParam(metricNames),
|
|---|
| 112 | ComSafeArrayAsInParam(metricObjects),
|
|---|
| 113 | ComSafeArrayAsOutParam(retNames),
|
|---|
| 114 | ComSafeArrayAsOutParam(retObjects),
|
|---|
| 115 | ComSafeArrayAsOutParam(retUnits),
|
|---|
| 116 | ComSafeArrayAsOutParam(retScales),
|
|---|
| 117 | ComSafeArrayAsOutParam(retSequenceNumbers),
|
|---|
| 118 | ComSafeArrayAsOutParam(retIndices),
|
|---|
| 119 | ComSafeArrayAsOutParam(retLengths),
|
|---|
| 120 | ComSafeArrayAsOutParam(retData));
|
|---|
| 121 | #if 0
|
|---|
| 122 | /* Useful for metrics debugging. */
|
|---|
| 123 | for (unsigned j = 0; j < retNames.size(); j++)
|
|---|
| 124 | {
|
|---|
| 125 | Bstr metricUnit(retUnits[j]);
|
|---|
| 126 | Bstr metricName(retNames[j]);
|
|---|
| 127 | RTPrintf("%-20ls ", metricName.raw());
|
|---|
| 128 | const char *separator = "";
|
|---|
| 129 | for (unsigned k = 0; k < retLengths[j]; k++)
|
|---|
| 130 | {
|
|---|
| 131 | if (retScales[j] == 1)
|
|---|
| 132 | RTPrintf("%s%d %ls", separator, retData[retIndices[j] + k], metricUnit.raw());
|
|---|
| 133 | else
|
|---|
| 134 | RTPrintf("%s%d.%02d%ls", separator, retData[retIndices[j] + k] / retScales[j],
|
|---|
| 135 | (retData[retIndices[j] + k] * 100 / retScales[j]) % 100, metricUnit.raw());
|
|---|
| 136 | separator = ", ";
|
|---|
| 137 | }
|
|---|
| 138 | RTPrintf("\n");
|
|---|
| 139 | }
|
|---|
| 140 | #endif
|
|---|
| 141 |
|
|---|
| 142 | if (SUCCEEDED(hrc))
|
|---|
| 143 | *pulData = retData.size() ? retData[retIndices[0]] : 0;
|
|---|
| 144 |
|
|---|
| 145 | return SUCCEEDED(hrc) ? VINF_SUCCESS : VINF_NOT_SUPPORTED;
|
|---|
| 146 | }
|
|---|
| 147 |
|
|---|
| 148 | /**
|
|---|
| 149 | * Returns the payload of a machine.
|
|---|
| 150 | *
|
|---|
| 151 | * @return void* Pointer to payload data. Mutable!
|
|---|
| 152 | * @param pMachine Machine to get payload for.
|
|---|
| 153 | * @param pszModule Module name to get payload from.
|
|---|
| 154 | */
|
|---|
| 155 | void* payloadFrom(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule)
|
|---|
| 156 | {
|
|---|
| 157 | AssertPtrReturn(pMachine, NULL);
|
|---|
| 158 | AssertPtrReturn(pszModule, NULL);
|
|---|
| 159 | mapPayloadIter it = pMachine->payload.find(pszModule);
|
|---|
| 160 | if (it == pMachine->payload.end())
|
|---|
| 161 | return NULL;
|
|---|
| 162 | Assert(it->second.cbData);
|
|---|
| 163 | return it->second.pvData;
|
|---|
| 164 | }
|
|---|
| 165 |
|
|---|
| 166 | int payloadAlloc(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule,
|
|---|
| 167 | size_t cbSize, void **ppszPayload)
|
|---|
| 168 | {
|
|---|
| 169 | AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
|
|---|
| 170 | AssertPtrReturn(pszModule, VERR_INVALID_POINTER);
|
|---|
| 171 | AssertReturn(cbSize, VERR_INVALID_PARAMETER);
|
|---|
| 172 |
|
|---|
| 173 | void *pvData = RTMemAllocZ(cbSize);
|
|---|
| 174 | AssertPtrReturn(pvData, VERR_NO_MEMORY);
|
|---|
| 175 |
|
|---|
| 176 | mapPayloadIter it = pMachine->payload.find(pszModule);
|
|---|
| 177 | AssertReturn(it == pMachine->payload.end(), VERR_INVALID_PARAMETER);
|
|---|
| 178 |
|
|---|
| 179 | VBOXWATCHDOG_MODULE_PAYLOAD p;
|
|---|
| 180 | p.pvData = pvData;
|
|---|
| 181 | p.cbData = cbSize;
|
|---|
| 182 |
|
|---|
| 183 | if (ppszPayload)
|
|---|
| 184 | *ppszPayload = p.pvData;
|
|---|
| 185 |
|
|---|
| 186 | pMachine->payload.insert(std::make_pair(pszModule, p));
|
|---|
| 187 |
|
|---|
| 188 | return VINF_SUCCESS;
|
|---|
| 189 | }
|
|---|
| 190 |
|
|---|
| 191 | void payloadFree(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule)
|
|---|
| 192 | {
|
|---|
| 193 | AssertPtrReturnVoid(pMachine);
|
|---|
| 194 | AssertPtrReturnVoid(pszModule);
|
|---|
| 195 |
|
|---|
| 196 | mapPayloadIter it = pMachine->payload.find(pszModule);
|
|---|
| 197 | if (it != pMachine->payload.end())
|
|---|
| 198 | {
|
|---|
| 199 | RTMemFree(it->second.pvData);
|
|---|
| 200 | pMachine->payload.erase(it);
|
|---|
| 201 | }
|
|---|
| 202 | }
|
|---|
| 203 |
|
|---|
| 204 | PVBOXWATCHDOG_MACHINE getMachine(const Bstr& strUuid)
|
|---|
| 205 | {
|
|---|
| 206 | mapVMIter it = g_mapVM.find(strUuid);
|
|---|
| 207 | if (it != g_mapVM.end())
|
|---|
| 208 | return &it->second;
|
|---|
| 209 | return NULL;
|
|---|
| 210 | }
|
|---|
| 211 |
|
|---|
| 212 | MachineState_T getMachineState(const PVBOXWATCHDOG_MACHINE pMachine)
|
|---|
| 213 | {
|
|---|
| 214 | AssertPtrReturn(pMachine, MachineState_Null);
|
|---|
| 215 | MachineState_T machineState;
|
|---|
| 216 | Assert(!pMachine->machine.isNull());
|
|---|
| 217 | HRESULT rc = pMachine->machine->COMGETTER(State)(&machineState);
|
|---|
| 218 | if (SUCCEEDED(rc))
|
|---|
| 219 | return machineState;
|
|---|
| 220 | return MachineState_Null;
|
|---|
| 221 | }
|
|---|
| 222 |
|
|---|
| 223 | int cfgGetValueStr(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
|
|---|
| 224 | const char *pszGlobal, const char *pszVM, Utf8Str &strValue, Utf8Str strDefault)
|
|---|
| 225 | {
|
|---|
| 226 | AssertReturn(!rptrVBox.isNull(), VERR_INVALID_POINTER);
|
|---|
| 227 |
|
|---|
| 228 |
|
|---|
| 229 | /* Try per-VM approach. */
|
|---|
| 230 | Bstr strTemp;
|
|---|
| 231 | HRESULT hr;
|
|---|
| 232 | if (!rptrMachine.isNull())
|
|---|
| 233 | {
|
|---|
| 234 | AssertPtr(pszVM);
|
|---|
| 235 | hr = rptrMachine->GetExtraData(Bstr(pszVM).raw(),
|
|---|
| 236 | strTemp.asOutParam());
|
|---|
| 237 | if ( SUCCEEDED(hr)
|
|---|
| 238 | && !strTemp.isEmpty())
|
|---|
| 239 | {
|
|---|
| 240 | strValue = Utf8Str(strTemp);
|
|---|
| 241 | }
|
|---|
| 242 | }
|
|---|
| 243 |
|
|---|
| 244 | if (strValue.isEmpty()) /* Not set by per-VM value? */
|
|---|
| 245 | {
|
|---|
| 246 | AssertPtr(pszGlobal);
|
|---|
| 247 |
|
|---|
| 248 | /* Try global approach. */
|
|---|
| 249 | hr = rptrVBox->GetExtraData(Bstr(pszGlobal).raw(),
|
|---|
| 250 | strTemp.asOutParam());
|
|---|
| 251 | if ( SUCCEEDED(hr)
|
|---|
| 252 | && !strTemp.isEmpty())
|
|---|
| 253 | {
|
|---|
| 254 | strValue = Utf8Str(strTemp);
|
|---|
| 255 | }
|
|---|
| 256 | }
|
|---|
| 257 |
|
|---|
| 258 | if (strValue.isEmpty())
|
|---|
| 259 | {
|
|---|
| 260 | strValue = strDefault;
|
|---|
| 261 | return VERR_NOT_FOUND;
|
|---|
| 262 | }
|
|---|
| 263 |
|
|---|
| 264 | return VINF_SUCCESS;
|
|---|
| 265 | }
|
|---|
| 266 |
|
|---|
| 267 | int cfgGetValueU32(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
|
|---|
| 268 | const char *pszGlobal, const char *pszVM, uint32_t *puValue, uint32_t uDefault)
|
|---|
| 269 | {
|
|---|
| 270 | Utf8Str strValue;
|
|---|
| 271 | int rc = cfgGetValueStr(rptrVBox, rptrMachine, pszGlobal, pszVM, strValue, "" /* Default */);
|
|---|
| 272 | if (RT_SUCCESS(rc))
|
|---|
| 273 | *puValue = strValue.toUInt32();
|
|---|
| 274 | else
|
|---|
| 275 | *puValue = uDefault;
|
|---|
| 276 | return rc;
|
|---|
| 277 | }
|
|---|
| 278 |
|
|---|
