| 1 | /* $Id: DBGFLog.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGF - Debugger Facility, Log Manager.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #define LOG_GROUP LOG_GROUP_DBGF
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| 33 | #include <VBox/vmm/vmapi.h>
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| 34 | #include <VBox/vmm/vmm.h>
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| 35 | #include <VBox/vmm/dbgf.h>
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| 36 | #include <VBox/vmm/uvm.h>
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| 37 | #include <VBox/vmm/vm.h>
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| 38 | #include <VBox/log.h>
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| 39 | #include <VBox/err.h>
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| 40 | #include <iprt/assert.h>
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| 41 | #include <iprt/param.h>
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| 42 | #include <iprt/string.h>
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| 43 |
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| 44 |
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| 45 | /**
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| 46 | * Checkes for logger prefixes and selects the right logger.
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| 47 | *
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| 48 | * @returns Target logger.
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| 49 | * @param ppsz Pointer to the string pointer.
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| 50 | */
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| 51 | static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
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| 52 | {
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| 53 | PRTLOGGER pLogger;
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| 54 | const char *psz = *ppsz;
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| 55 | if (!strncmp(psz, RT_STR_TUPLE("release:")))
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| 56 | {
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| 57 | *ppsz += sizeof("release:") - 1;
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| 58 | pLogger = RTLogRelGetDefaultInstance();
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| 59 | }
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| 60 | else
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| 61 | {
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| 62 | if (!strncmp(psz, RT_STR_TUPLE("debug:")))
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| 63 | *ppsz += sizeof("debug:") - 1;
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| 64 | pLogger = RTLogDefaultInstance();
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| 65 | }
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| 66 | return pLogger;
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| 67 | }
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| 68 |
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| 69 |
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| 70 | /**
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| 71 | * EMT worker for DBGFR3LogModifyGroups.
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| 72 | *
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| 73 | * @returns VBox status code.
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| 74 | * @param pUVM The user mode VM handle.
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| 75 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 76 | */
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| 77 | static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 78 | {
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| 79 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
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| 80 | if (!pLogger)
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| 81 | return VINF_SUCCESS;
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| 82 |
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| 83 | int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
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| 84 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 85 | {
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| 86 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 87 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 88 | }
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| 89 | return rc;
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| 90 | }
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| 91 |
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| 92 |
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| 93 | /**
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| 94 | * Changes the logger group settings.
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| 95 | *
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| 96 | * @returns VBox status code.
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| 97 | * @param pUVM The user mode VM handle.
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| 98 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 99 | * By prefixing the string with \"release:\" the
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| 100 | * changes will be applied to the release log
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| 101 | * instead of the debug log. The prefix \"debug:\"
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| 102 | * is also recognized.
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| 103 | */
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| 104 | VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 105 | {
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| 106 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 107 | AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
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| 108 |
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| 109 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
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| 110 | }
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| 111 |
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| 112 |
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| 113 | /**
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| 114 | * EMT worker for DBGFR3LogModifyFlags.
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| 115 | *
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| 116 | * @returns VBox status code.
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| 117 | * @param pUVM The user mode VM handle.
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| 118 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 119 | */
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| 120 | static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 121 | {
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| 122 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
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| 123 | if (!pLogger)
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| 124 | return VINF_SUCCESS;
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| 125 |
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| 126 | int rc = RTLogFlags(pLogger, pszFlagSettings);
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| 127 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 128 | {
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| 129 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 130 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 131 | }
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| 132 | return rc;
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| 133 | }
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| 134 |
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| 135 |
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| 136 | /**
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| 137 | * Changes the logger flag settings.
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| 138 | *
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| 139 | * @returns VBox status code.
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| 140 | * @param pUVM The user mode VM handle.
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| 141 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 142 | * By prefixing the string with \"release:\" the
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| 143 | * changes will be applied to the release log
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| 144 | * instead of the debug log. The prefix \"debug:\"
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| 145 | * is also recognized.
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| 146 | */
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| 147 | VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 148 | {
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| 149 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 150 | AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
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| 151 |
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| 152 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
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| 153 | }
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| 154 |
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| 155 |
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| 156 | /**
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| 157 | * EMT worker for DBGFR3LogModifyFlags.
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| 158 | *
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| 159 | * @returns VBox status code.
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| 160 | * @param pUVM The user mode VM handle.
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| 161 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 162 | */
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| 163 | static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 164 | {
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| 165 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
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| 166 | if (!pLogger)
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| 167 | return VINF_SUCCESS;
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| 168 |
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| 169 | int rc = RTLogDestinations(NULL, pszDestSettings);
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| 170 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 171 | {
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| 172 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 173 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 174 | }
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| 175 | return rc;
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| 176 | }
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| 177 |
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| 178 |
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| 179 | /**
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| 180 | * Changes the logger destination settings.
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| 181 | *
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| 182 | * @returns VBox status code.
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| 183 | * @param pUVM The user mode VM handle.
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| 184 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 185 | * By prefixing the string with \"release:\" the
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| 186 | * changes will be applied to the release log
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| 187 | * instead of the debug log. The prefix \"debug:\"
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| 188 | * is also recognized.
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| 189 | */
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| 190 | VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 191 | {
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| 192 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 193 | AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
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| 194 |
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| 195 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
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| 196 | }
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| 197 |
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