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/* $Id: DBGFLog.cpp $ */
/** @file
* DBGF - Debugger Facility, Log Manager.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <VBox/vmm/vmapi.h>
#include <VBox/vmm/vmm.h>
#include <VBox/vmm/dbgf.h>
#include <VBox/vmm/uvm.h>
#include <VBox/vmm/vm.h>
#include <VBox/log.h>
#include <VBox/err.h>
#include <iprt/assert.h>
#include <iprt/param.h>
#include <iprt/string.h>
/**
* Checkes for logger prefixes and selects the right logger.
*
* @returns Target logger.
* @param ppsz Pointer to the string pointer.
*/
static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
{
PRTLOGGER pLogger;
const char *psz = *ppsz;
if (!strncmp(psz, RT_STR_TUPLE("release:")))
{
*ppsz += sizeof("release:") - 1;
pLogger = RTLogRelGetDefaultInstance();
}
else
{
if (!strncmp(psz, RT_STR_TUPLE("debug:")))
*ppsz += sizeof("debug:") - 1;
pLogger = RTLogDefaultInstance();
}
return pLogger;
}
/**
* EMT worker for DBGFR3LogModifyGroups.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszGroupSettings The group settings string. (VBOX_LOG)
*/
static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
{
PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
if (!pLogger)
return VINF_SUCCESS;
int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
if (RT_SUCCESS(rc) && pUVM->pVM)
{
VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
rc = VMMR3UpdateLoggers(pUVM->pVM);
}
return rc;
}
/**
* Changes the logger group settings.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszGroupSettings The group settings string. (VBOX_LOG)
* By prefixing the string with \"release:\" the
* changes will be applied to the release log
* instead of the debug log. The prefix \"debug:\"
* is also recognized.
*/
VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
{
UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
}
/**
* EMT worker for DBGFR3LogModifyFlags.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
*/
static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
{
PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
if (!pLogger)
return VINF_SUCCESS;
int rc = RTLogFlags(pLogger, pszFlagSettings);
if (RT_SUCCESS(rc) && pUVM->pVM)
{
VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
rc = VMMR3UpdateLoggers(pUVM->pVM);
}
return rc;
}
/**
* Changes the logger flag settings.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
* By prefixing the string with \"release:\" the
* changes will be applied to the release log
* instead of the debug log. The prefix \"debug:\"
* is also recognized.
*/
VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
{
UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
}
/**
* EMT worker for DBGFR3LogModifyFlags.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
*/
static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
{
PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
if (!pLogger)
return VINF_SUCCESS;
int rc = RTLogDestinations(NULL, pszDestSettings);
if (RT_SUCCESS(rc) && pUVM->pVM)
{
VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
rc = VMMR3UpdateLoggers(pUVM->pVM);
}
return rc;
}
/**
* Changes the logger destination settings.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
* By prefixing the string with \"release:\" the
* changes will be applied to the release log
* instead of the debug log. The prefix \"debug:\"
* is also recognized.
*/
VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
{
UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
}
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