VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/DBGFLog.cpp@ 93115

Last change on this file since 93115 was 93115, checked in by vboxsync, 3 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 6.2 KB
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1/* $Id: DBGFLog.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * DBGF - Debugger Facility, Log Manager.
4 */
5
6/*
7 * Copyright (C) 2006-2022 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
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_DBGF
23#include <VBox/vmm/vmapi.h>
24#include <VBox/vmm/vmm.h>
25#include <VBox/vmm/dbgf.h>
26#include <VBox/vmm/uvm.h>
27#include <VBox/vmm/vm.h>
28#include <VBox/log.h>
29#include <VBox/err.h>
30#include <iprt/assert.h>
31#include <iprt/param.h>
32#include <iprt/string.h>
33
34
35/**
36 * Checkes for logger prefixes and selects the right logger.
37 *
38 * @returns Target logger.
39 * @param ppsz Pointer to the string pointer.
40 */
41static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
42{
43 PRTLOGGER pLogger;
44 const char *psz = *ppsz;
45 if (!strncmp(psz, RT_STR_TUPLE("release:")))
46 {
47 *ppsz += sizeof("release:") - 1;
48 pLogger = RTLogRelGetDefaultInstance();
49 }
50 else
51 {
52 if (!strncmp(psz, RT_STR_TUPLE("debug:")))
53 *ppsz += sizeof("debug:") - 1;
54 pLogger = RTLogDefaultInstance();
55 }
56 return pLogger;
57}
58
59
60/**
61 * EMT worker for DBGFR3LogModifyGroups.
62 *
63 * @returns VBox status code.
64 * @param pUVM The user mode VM handle.
65 * @param pszGroupSettings The group settings string. (VBOX_LOG)
66 */
67static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
68{
69 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
70 if (!pLogger)
71 return VINF_SUCCESS;
72
73 int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
74 if (RT_SUCCESS(rc) && pUVM->pVM)
75 {
76 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
77 rc = VMMR3UpdateLoggers(pUVM->pVM);
78 }
79 return rc;
80}
81
82
83/**
84 * Changes the logger group settings.
85 *
86 * @returns VBox status code.
87 * @param pUVM The user mode VM handle.
88 * @param pszGroupSettings The group settings string. (VBOX_LOG)
89 * By prefixing the string with \"release:\" the
90 * changes will be applied to the release log
91 * instead of the debug log. The prefix \"debug:\"
92 * is also recognized.
93 */
94VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
95{
96 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
97 AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
98
99 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
100}
101
102
103/**
104 * EMT worker for DBGFR3LogModifyFlags.
105 *
106 * @returns VBox status code.
107 * @param pUVM The user mode VM handle.
108 * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
109 */
110static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
111{
112 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
113 if (!pLogger)
114 return VINF_SUCCESS;
115
116 int rc = RTLogFlags(pLogger, pszFlagSettings);
117 if (RT_SUCCESS(rc) && pUVM->pVM)
118 {
119 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
120 rc = VMMR3UpdateLoggers(pUVM->pVM);
121 }
122 return rc;
123}
124
125
126/**
127 * Changes the logger flag settings.
128 *
129 * @returns VBox status code.
130 * @param pUVM The user mode VM handle.
131 * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
132 * By prefixing the string with \"release:\" the
133 * changes will be applied to the release log
134 * instead of the debug log. The prefix \"debug:\"
135 * is also recognized.
136 */
137VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
138{
139 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
140 AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
141
142 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
143}
144
145
146/**
147 * EMT worker for DBGFR3LogModifyFlags.
148 *
149 * @returns VBox status code.
150 * @param pUVM The user mode VM handle.
151 * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
152 */
153static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
154{
155 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
156 if (!pLogger)
157 return VINF_SUCCESS;
158
159 int rc = RTLogDestinations(NULL, pszDestSettings);
160 if (RT_SUCCESS(rc) && pUVM->pVM)
161 {
162 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
163 rc = VMMR3UpdateLoggers(pUVM->pVM);
164 }
165 return rc;
166}
167
168
169/**
170 * Changes the logger destination settings.
171 *
172 * @returns VBox status code.
173 * @param pUVM The user mode VM handle.
174 * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
175 * By prefixing the string with \"release:\" the
176 * changes will be applied to the release log
177 * instead of the debug log. The prefix \"debug:\"
178 * is also recognized.
179 */
180VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
181{
182 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
183 AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
184
185 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
186}
187
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