1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
/* $Id: */
/** @file
* VBoxWatchdogUtils - Misc. utility functions for modules.
*/
/*
* Copyright (C) 2011-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <VBox/com/array.h>
#include "VBoxWatchdogInternal.h"
#include <iprt/sanitized/sstream>
#include <algorithm>
/**
* Adds a group / a set of groups to the specified map.
* If a group in the group map exists there will be no action.
*
* @return IPRT status code.
* @param groups Map to add group(s) to.
* @param pszGroupsToAdd Comma-separated string of one or more groups to add.
* @param fFlags Flags to set to the groups added.
*/
int groupAdd(mapGroups &groups, const char *pszGroupsToAdd, uint32_t fFlags)
{
AssertPtrReturn(pszGroupsToAdd, VERR_INVALID_POINTER);
try
{
std::istringstream strGroups(pszGroupsToAdd);
for(std::string strToken; getline(strGroups, strToken, ','); )
{
strToken.erase(remove_if(strToken.begin(), strToken.end(), isspace), strToken.end());
Utf8Str strTokenUtf8(strToken.c_str());
mapGroupsIterConst it = groups.find(strTokenUtf8);
if (it == groups.end())
groups.insert(std::make_pair(strTokenUtf8, fFlags));
}
}
catch (...)
{
AssertFailed();
}
return VINF_SUCCESS;
}
/**
* Retrieves a metric from a specified machine.
*
* @return IPRT status code.
* @param pMachine Pointer to the machine's internal structure.
* @param strName Name of metric to retrieve.
* @param pulData Pointer to value to retrieve the actual metric value.
*/
int getMetric(PVBOXWATCHDOG_MACHINE pMachine, const Bstr& strName, LONG *pulData)
{
AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
AssertPtrReturn(pulData, VERR_INVALID_POINTER);
/* Input. */
com::SafeArray<BSTR> metricNames(1);
com::SafeIfaceArray<IUnknown> metricObjects(1);
pMachine->machine.queryInterfaceTo(&metricObjects[0]);
/* Output. */
com::SafeArray<BSTR> retNames;
com::SafeIfaceArray<IUnknown> retObjects;
com::SafeArray<BSTR> retUnits;
com::SafeArray<ULONG> retScales;
com::SafeArray<ULONG> retSequenceNumbers;
com::SafeArray<ULONG> retIndices;
com::SafeArray<ULONG> retLengths;
com::SafeArray<LONG> retData;
/* Query current memory free. */
strName.cloneTo(&metricNames[0]);
#ifdef VBOX_WATCHDOG_GLOBAL_PERFCOL
Assert(!g_pPerfCollector.isNull());
HRESULT hrc = g_pPerfCollector->QueryMetricsData(
#else
Assert(!pMachine->collector.isNull());
HRESULT hrc = pMachine->collector->QueryMetricsData(
#endif
ComSafeArrayAsInParam(metricNames),
ComSafeArrayAsInParam(metricObjects),
ComSafeArrayAsOutParam(retNames),
ComSafeArrayAsOutParam(retObjects),
ComSafeArrayAsOutParam(retUnits),
ComSafeArrayAsOutParam(retScales),
ComSafeArrayAsOutParam(retSequenceNumbers),
ComSafeArrayAsOutParam(retIndices),
ComSafeArrayAsOutParam(retLengths),
ComSafeArrayAsOutParam(retData));
#if 0
/* Useful for metrics debugging. */
for (unsigned j = 0; j < retNames.size(); j++)
{
Bstr metricUnit(retUnits[j]);
Bstr metricName(retNames[j]);
RTPrintf("%-20ls ", metricName.raw());
const char *separator = "";
for (unsigned k = 0; k < retLengths[j]; k++)
{
if (retScales[j] == 1)
RTPrintf("%s%d %ls", separator, retData[retIndices[j] + k], metricUnit.raw());
else
RTPrintf("%s%d.%02d%ls", separator, retData[retIndices[j] + k] / retScales[j],
(retData[retIndices[j] + k] * 100 / retScales[j]) % 100, metricUnit.raw());
separator = ", ";
}
RTPrintf("\n");
}
#endif
if (SUCCEEDED(hrc))
*pulData = retData.size() ? retData[retIndices[0]] : 0;
return SUCCEEDED(hrc) ? VINF_SUCCESS : VINF_NOT_SUPPORTED;
}
/**
* Returns the payload of a machine.
*
* @return void* Pointer to payload data. Mutable!
* @param pMachine Machine to get payload for.
* @param pszModule Module name to get payload from.
*/
void* payloadFrom(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule)
{
AssertPtrReturn(pMachine, NULL);
AssertPtrReturn(pszModule, NULL);
mapPayloadIter it = pMachine->payload.find(pszModule);
if (it == pMachine->payload.end())
return NULL;
Assert(it->second.cbData);
return it->second.pvData;
}
int payloadAlloc(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule,
size_t cbSize, void **ppszPayload)
{
AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
AssertPtrReturn(pszModule, VERR_INVALID_POINTER);
AssertReturn(cbSize, VERR_INVALID_PARAMETER);
void *pvData = RTMemAllocZ(cbSize);
AssertPtrReturn(pvData, VERR_NO_MEMORY);
mapPayloadIter it = pMachine->payload.find(pszModule);
AssertReturn(it == pMachine->payload.end(), VERR_INVALID_PARAMETER);
VBOXWATCHDOG_MODULE_PAYLOAD p;
p.pvData = pvData;
p.cbData = cbSize;
if (ppszPayload)
*ppszPayload = p.pvData;
pMachine->payload.insert(std::make_pair(pszModule, p));
return VINF_SUCCESS;
}
void payloadFree(PVBOXWATCHDOG_MACHINE pMachine, const char *pszModule)
{
AssertPtrReturnVoid(pMachine);
AssertPtrReturnVoid(pszModule);
mapPayloadIter it = pMachine->payload.find(pszModule);
if (it != pMachine->payload.end())
{
RTMemFree(it->second.pvData);
pMachine->payload.erase(it);
}
}
PVBOXWATCHDOG_MACHINE getMachine(const Bstr& strUuid)
{
mapVMIter it = g_mapVM.find(strUuid);
if (it != g_mapVM.end())
return &it->second;
return NULL;
}
MachineState_T getMachineState(const PVBOXWATCHDOG_MACHINE pMachine)
{
AssertPtrReturn(pMachine, MachineState_Null);
MachineState_T machineState;
Assert(!pMachine->machine.isNull());
HRESULT rc = pMachine->machine->COMGETTER(State)(&machineState);
if (SUCCEEDED(rc))
return machineState;
return MachineState_Null;
}
int cfgGetValueStr(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
const char *pszGlobal, const char *pszVM, Utf8Str &strValue, Utf8Str strDefault)
{
AssertReturn(!rptrVBox.isNull(), VERR_INVALID_POINTER);
/* Try per-VM approach. */
Bstr strTemp;
HRESULT hr;
if (!rptrMachine.isNull())
{
AssertPtr(pszVM);
hr = rptrMachine->GetExtraData(Bstr(pszVM).raw(),
strTemp.asOutParam());
if ( SUCCEEDED(hr)
&& !strTemp.isEmpty())
{
strValue = Utf8Str(strTemp);
}
}
if (strValue.isEmpty()) /* Not set by per-VM value? */
{
AssertPtr(pszGlobal);
/* Try global approach. */
hr = rptrVBox->GetExtraData(Bstr(pszGlobal).raw(),
strTemp.asOutParam());
if ( SUCCEEDED(hr)
&& !strTemp.isEmpty())
{
strValue = Utf8Str(strTemp);
}
}
if (strValue.isEmpty())
{
strValue = strDefault;
return VERR_NOT_FOUND;
}
return VINF_SUCCESS;
}
int cfgGetValueU32(const ComPtr<IVirtualBox> &rptrVBox, const ComPtr<IMachine> &rptrMachine,
const char *pszGlobal, const char *pszVM, uint32_t *puValue, uint32_t uDefault)
{
Utf8Str strValue;
int rc = cfgGetValueStr(rptrVBox, rptrMachine, pszGlobal, pszVM, strValue, "" /* Default */);
if (RT_SUCCESS(rc))
*puValue = strValue.toUInt32();
else
*puValue = uDefault;
return rc;
}
|
