VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/DBGFLog.cpp@ 74795

Last change on this file since 74795 was 69111, checked in by vboxsync, 7 years ago

(C) year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 6.2 KB
Line 
1/* $Id: DBGFLog.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
2/** @file
3 * DBGF - Debugger Facility, Log Manager.
4 */
5
6/*
7 * Copyright (C) 2006-2017 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#include <VBox/vmm/vmapi.h>
23#include <VBox/vmm/vmm.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/uvm.h>
26#include <VBox/vmm/vm.h>
27#include <VBox/log.h>
28#include <VBox/err.h>
29#include <iprt/assert.h>
30#include <iprt/param.h>
31#include <iprt/string.h>
32
33
34/**
35 * Checkes for logger prefixes and selects the right logger.
36 *
37 * @returns Target logger.
38 * @param ppsz Pointer to the string pointer.
39 */
40static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
41{
42 PRTLOGGER pLogger;
43 const char *psz = *ppsz;
44 if (!strncmp(psz, RT_STR_TUPLE("release:")))
45 {
46 *ppsz += sizeof("release:") - 1;
47 pLogger = RTLogRelGetDefaultInstance();
48 }
49 else
50 {
51 if (!strncmp(psz, RT_STR_TUPLE("debug:")))
52 *ppsz += sizeof("debug:") - 1;
53 pLogger = RTLogDefaultInstance();
54 }
55 return pLogger;
56}
57
58
59/**
60 * EMT worker for DBGFR3LogModifyGroups.
61 *
62 * @returns VBox status code.
63 * @param pUVM The user mode VM handle.
64 * @param pszGroupSettings The group settings string. (VBOX_LOG)
65 */
66static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
67{
68 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
69 if (!pLogger)
70 return VINF_SUCCESS;
71
72 int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
73 if (RT_SUCCESS(rc) && pUVM->pVM)
74 {
75 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
76 rc = VMMR3UpdateLoggers(pUVM->pVM);
77 }
78 return rc;
79}
80
81
82/**
83 * Changes the logger group settings.
84 *
85 * @returns VBox status code.
86 * @param pUVM The user mode VM handle.
87 * @param pszGroupSettings The group settings string. (VBOX_LOG)
88 * By prefixing the string with \"release:\" the
89 * changes will be applied to the release log
90 * instead of the debug log. The prefix \"debug:\"
91 * is also recognized.
92 */
93VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
94{
95 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
96 AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
97
98 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
99}
100
101
102/**
103 * EMT worker for DBGFR3LogModifyFlags.
104 *
105 * @returns VBox status code.
106 * @param pUVM The user mode VM handle.
107 * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
108 */
109static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
110{
111 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
112 if (!pLogger)
113 return VINF_SUCCESS;
114
115 int rc = RTLogFlags(pLogger, pszFlagSettings);
116 if (RT_SUCCESS(rc) && pUVM->pVM)
117 {
118 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
119 rc = VMMR3UpdateLoggers(pUVM->pVM);
120 }
121 return rc;
122}
123
124
125/**
126 * Changes the logger flag settings.
127 *
128 * @returns VBox status code.
129 * @param pUVM The user mode VM handle.
130 * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
131 * By prefixing the string with \"release:\" the
132 * changes will be applied to the release log
133 * instead of the debug log. The prefix \"debug:\"
134 * is also recognized.
135 */
136VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
137{
138 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
139 AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
140
141 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
142}
143
144
145/**
146 * EMT worker for DBGFR3LogModifyFlags.
147 *
148 * @returns VBox status code.
149 * @param pUVM The user mode VM handle.
150 * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
151 */
152static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
153{
154 PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
155 if (!pLogger)
156 return VINF_SUCCESS;
157
158 int rc = RTLogDestinations(NULL, pszDestSettings);
159 if (RT_SUCCESS(rc) && pUVM->pVM)
160 {
161 VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
162 rc = VMMR3UpdateLoggers(pUVM->pVM);
163 }
164 return rc;
165}
166
167
168/**
169 * Changes the logger destination settings.
170 *
171 * @returns VBox status code.
172 * @param pUVM The user mode VM handle.
173 * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
174 * By prefixing the string with \"release:\" the
175 * changes will be applied to the release log
176 * instead of the debug log. The prefix \"debug:\"
177 * is also recognized.
178 */
179VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
180{
181 UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
182 AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
183
184 return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
185}
186
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