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Diffstat (limited to 'include/iprt/log.h')
| -rw-r--r-- | include/iprt/log.h | 2869 |
1 files changed, 2869 insertions, 0 deletions
diff --git a/include/iprt/log.h b/include/iprt/log.h new file mode 100644 index 00000000..c6bd8838 --- /dev/null +++ b/include/iprt/log.h @@ -0,0 +1,2869 @@ +/** @file + * IPRT - Logging. + */ + +/* + * Copyright (C) 2006-2023 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>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_log_h +#define IPRT_INCLUDED_log_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/cdefs.h> +#include <iprt/types.h> +#include <iprt/stdarg.h> + +RT_C_DECLS_BEGIN + +/** @defgroup grp_rt_log RTLog - Logging + * @ingroup grp_rt + * @{ + */ + +/** + * IPRT Logging Groups. + * (Remember to update RT_LOGGROUP_NAMES!) + * + * @remark It should be pretty obvious, but just to have + * mentioned it, the values are sorted alphabetically (using the + * english alphabet) except for _DEFAULT which is always first. + * + * If anyone might be wondering what the alphabet looks like: + * a b c d e f g h i j k l m n o p q r s t u v w x y z + */ +typedef enum RTLOGGROUP +{ + /** Default logging group. */ + RTLOGGROUP_DEFAULT, + RTLOGGROUP_CRYPTO, + RTLOGGROUP_DBG, + RTLOGGROUP_DBG_DWARF, + RTLOGGROUP_DIR, + RTLOGGROUP_FILE, + RTLOGGROUP_FS, + RTLOGGROUP_FTP, + RTLOGGROUP_HTTP, + RTLOGGROUP_IOQUEUE, + RTLOGGROUP_LDR, + RTLOGGROUP_LOCALIPC, + RTLOGGROUP_PATH, + RTLOGGROUP_PROCESS, + RTLOGGROUP_REST, + RTLOGGROUP_SYMLINK, + RTLOGGROUP_THREAD, + RTLOGGROUP_TIME, + RTLOGGROUP_TIMER, + RTLOGGROUP_VFS, + RTLOGGROUP_ZIP = 31, + RTLOGGROUP_FIRST_USER = 32 +} RTLOGGROUP; + +/** @def RT_LOGGROUP_NAMES + * IPRT Logging group names. + * + * Must correspond 100% to RTLOGGROUP! + * Don't forget commas! + * + * @remark It should be pretty obvious, but just to have + * mentioned it, the values are sorted alphabetically (using the + * english alphabet) except for _DEFAULT which is always first. + * + * If anyone might be wondering what the alphabet looks like: + * a b c d e f g h i j k l m n o p q r s t u v w x y z + * + * The RT_XX log group names are placeholders for new modules being added, + * to make sure that there always is a total of 32 log group entries. + */ +#define RT_LOGGROUP_NAMES \ + "DEFAULT", \ + "RT_CRYPTO", \ + "RT_DBG", \ + "RT_DBG_DWARF", \ + "RT_DIR", \ + "RT_FILE", \ + "RT_FS", \ + "RT_FTP", \ + "RT_HTTP", \ + "RT_IOQUEUE", \ + "RT_LDR", \ + "RT_LOCALIPC", \ + "RT_PATH", \ + "RT_PROCESS", \ + "RT_REST", \ + "RT_SYMLINK", \ + "RT_THREAD", \ + "RT_TIME", \ + "RT_TIMER", \ + "RT_VFS", \ + "RT_20", \ + "RT_21", \ + "RT_22", \ + "RT_23", \ + "RT_24", \ + "RT_25", \ + "RT_26", \ + "RT_27", \ + "RT_28", \ + "RT_29", \ + "RT_30", \ + "RT_ZIP" + + +/** @def LOG_GROUP + * Active logging group. + */ +#ifndef LOG_GROUP +# define LOG_GROUP RTLOGGROUP_DEFAULT +#endif + +/** @def LOG_FN_FMT + * You can use this to specify your desired way of printing __PRETTY_FUNCTION__ + * if you dislike the default one. + */ +#ifndef LOG_FN_FMT +# define LOG_FN_FMT "%Rfn" +#endif + +#ifdef LOG_INSTANCE +# error "LOG_INSTANCE is no longer supported." +#endif +#ifdef LOG_REL_INSTANCE +# error "LOG_REL_INSTANCE is no longer supported." +#endif + +/** Logger structure. */ +typedef struct RTLOGGER RTLOGGER; +/** Pointer to logger structure. */ +typedef RTLOGGER *PRTLOGGER; +/** Pointer to const logger structure. */ +typedef const RTLOGGER *PCRTLOGGER; + + +/** Pointer to a log buffer descriptor. */ +typedef struct RTLOGBUFFERDESC *PRTLOGBUFFERDESC; + + +/** + * Logger phase. + * + * Used for signalling the log header/footer callback what to do. + */ +typedef enum RTLOGPHASE +{ + /** Begin of the logging. */ + RTLOGPHASE_BEGIN = 0, + /** End of the logging. */ + RTLOGPHASE_END, + /** Before rotating the log file. */ + RTLOGPHASE_PREROTATE, + /** After rotating the log file. */ + RTLOGPHASE_POSTROTATE, + /** 32-bit type blow up hack. */ + RTLOGPHASE_32BIT_HACK = 0x7fffffff +} RTLOGPHASE; + + +#if 0 /* retired */ +/** + * Logger function. + * + * @param pszFormat Format string. + * @param ... Optional arguments as specified in the format string. + */ +typedef DECLCALLBACKTYPE(void, FNRTLOGGER,(const char *pszFormat, ...)) RT_IPRT_FORMAT_ATTR(1, 2); +/** Pointer to logger function. */ +typedef FNRTLOGGER *PFNRTLOGGER; +#endif + +/** + * Custom buffer flushing function. + * + * @retval true if flushed and the buffer can be reused. + * @retval false for switching to the next buffer because an async flush of + * @a pBufDesc is still pending. The implementation is responsible for + * only returning when the next buffer is ready for reuse, the generic + * logger code has no facility to make sure of this. + * + * @param pLogger Pointer to the logger instance which is to be flushed. + * @param pBufDesc The descriptor of the buffer to be flushed. + */ +typedef DECLCALLBACKTYPE(bool, FNRTLOGFLUSH,(PRTLOGGER pLogger, PRTLOGBUFFERDESC pBufDesc)); +/** Pointer to flush function. */ +typedef FNRTLOGFLUSH *PFNRTLOGFLUSH; + +/** + * Header/footer message callback. + * + * @param pLogger Pointer to the logger instance. + * @param pszFormat Format string. + * @param ... Optional arguments specified in the format string. + */ +typedef DECLCALLBACKTYPE(void, FNRTLOGPHASEMSG,(PRTLOGGER pLogger, const char *pszFormat, ...)) RT_IPRT_FORMAT_ATTR(2, 3); +/** Pointer to header/footer message callback function. */ +typedef FNRTLOGPHASEMSG *PFNRTLOGPHASEMSG; + +/** + * Log file header/footer callback. + * + * @param pLogger Pointer to the logger instance. + * @param enmLogPhase Indicates at what time the callback is invoked. + * @param pfnLogPhaseMsg Callback for writing the header/footer (RTLogPrintf + * and others are out of bounds). + */ +typedef DECLCALLBACKTYPE(void, FNRTLOGPHASE,(PRTLOGGER pLogger, RTLOGPHASE enmLogPhase, PFNRTLOGPHASEMSG pfnLogPhaseMsg)); +/** Pointer to log header/footer callback function. */ +typedef FNRTLOGPHASE *PFNRTLOGPHASE; + +/** + * Custom log prefix callback. + * + * + * @returns The number of chars written. + * + * @param pLogger Pointer to the logger instance. + * @param pchBuf Output buffer pointer. + * No need to terminate the output. + * @param cchBuf The size of the output buffer. + * @param pvUser The user argument. + */ +typedef DECLCALLBACKTYPE(size_t, FNRTLOGPREFIX,(PRTLOGGER pLogger, char *pchBuf, size_t cchBuf, void *pvUser)); +/** Pointer to prefix callback function. */ +typedef FNRTLOGPREFIX *PFNRTLOGPREFIX; + + +/** Pointer to a constant log output interface. */ +typedef const struct RTLOGOUTPUTIF *PCRTLOGOUTPUTIF; + +/** + * Logging output interface. + */ +typedef struct RTLOGOUTPUTIF +{ + /** + * Opens a new log file with the given name. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + * @param pszFilename The filename to open. + * @param fFlags Open flags, combination of RTFILE_O_XXX. + */ + DECLR3CALLBACKMEMBER(int, pfnOpen, (PCRTLOGOUTPUTIF pIf, void *pvUser, const char *pszFilename, uint32_t fFlags)); + + /** + * Closes the currently open file. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + */ + DECLR3CALLBACKMEMBER(int, pfnClose, (PCRTLOGOUTPUTIF pIf, void *pvUser)); + + /** + * Deletes the given file. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + * @param pszFilename The filename to delete. + */ + DECLR3CALLBACKMEMBER(int, pfnDelete, (PCRTLOGOUTPUTIF pIf, void *pvUser, const char *pszFilename)); + + /** + * Renames the given file. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + * @param pszFilenameOld The old filename to rename. + * @param pszFilenameNew The new filename. + * @param fFlags Flags for the operation, combination of RTFILEMOVE_FLAGS_XXX. + */ + DECLR3CALLBACKMEMBER(int, pfnRename, (PCRTLOGOUTPUTIF pIf, void *pvUser, const char *pszFilenameOld, + const char *pszFilenameNew, uint32_t fFlags)); + + /** + * Queries the size of the log file. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + * @param pcbFile Where to store the file size in bytes on success. + */ + DECLR3CALLBACKMEMBER(int, pfnQuerySize, (PCRTLOGOUTPUTIF pIf, void *pvUser, uint64_t *pcbSize)); + + /** + * Writes data to the log file. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + * @param pvBuf The data to write. + * @param cbWrite Number of bytes to write. + * @param pcbWritten Where to store the actual number of bytes written on success. + */ + DECLR3CALLBACKMEMBER(int, pfnWrite, (PCRTLOGOUTPUTIF pIf, void *pvUser, const void *pvBuf, + size_t cbWrite, size_t *pcbWritten)); + + /** + * Flushes data to the underlying storage medium. + * + * @returns IPRT status code. + * @param pIf Pointer to this interface. + * @param pvUser Opaque user data passed when setting the callbacks. + */ + DECLR3CALLBACKMEMBER(int, pfnFlush, (PCRTLOGOUTPUTIF pIf, void *pvUser)); +} RTLOGOUTPUTIF; +/** Pointer to a logging output interface. */ +typedef struct RTLOGOUTPUTIF *PRTLOGOUTPUTIF; + + +/** + * Auxiliary buffer descriptor. + * + * This is what we share we ring-3 and use for flushing ring-0 EMT loggers when + * we return to ring-3. + */ +typedef struct RTLOGBUFFERAUXDESC +{ + /** Flush indicator. + * Ring-3 sets this if it flushed the buffer, ring-0 clears it again after + * writing. */ + bool volatile fFlushedIndicator; + bool afPadding[3]; + /** Copy of RTLOGBUFFERDESC::offBuf. */ + uint32_t offBuf; +} RTLOGBUFFERAUXDESC; +/** Pointer to auxiliary buffer descriptor. */ +typedef RTLOGBUFFERAUXDESC *PRTLOGBUFFERAUXDESC; + +/** + * Log buffer desciptor. + */ +typedef struct RTLOGBUFFERDESC +{ + /** Magic value / eye catcher (RTLOGBUFFERDESC_MAGIC). */ + uint32_t u32Magic; + /** Padding. */ + uint32_t uReserved; + /** The buffer size. */ + uint32_t cbBuf; + /** The current buffer offset. */ + uint32_t offBuf; + /** Pointer to the buffer. */ + char *pchBuf; + /** Pointer to auxiliary desciptor, NULL if not used. */ + PRTLOGBUFFERAUXDESC pAux; +} RTLOGBUFFERDESC; + +/** RTLOGBUFFERDESC::u32Magic value. (Avram Noam Chomsky) */ +#define RTLOGBUFFERDESC_MAGIC UINT32_C(0x19281207) + +/** + * The public logger instance part. + * + * The logger instance is mostly abstract and kept as RTLOGGERINTERNAL within + * log.cpp. This public part is at the start of RTLOGGERINTERNAL. + */ +struct RTLOGGER +{ + /** Magic number (RTLOGGER_MAGIC). */ + uint32_t u32Magic; + /** User value \#1, initialized to zero. */ + uint32_t u32UserValue1; + /** User value \#2, initialized to zero. */ + uint64_t u64UserValue2; + /** User value \#3, initialized to zero. */ + uint64_t u64UserValue3; +#if 0 + /** Pointer to the logger function (used in non-C99 mode only). + * + * This is actually pointer to a wrapper/stub function which will push a pointer + * to the instance pointer onto the stack before jumping to the real logger + * function. A very unfortunate hack to work around the missing variadic macro + * support in older C++/C standards. (The memory is allocated using + * RTMemExecAlloc(), except for agnostic R0 code.) */ + PFNRTLOGGER pfnLogger; +#else + /** Unused. */ + uintptr_t uUsedToBeNonC99Logger; +#endif +#if ARCH_BITS == 32 + /** Explicit padding. */ + uint32_t uReserved1; +#endif +}; + +/** RTLOGGER::u32Magic value. (John Rogers Searle) */ +#define RTLOGGER_MAGIC UINT32_C(0x19320731) + +/** + * Logger flags. + */ +typedef enum RTLOGFLAGS +{ + /** The logger instance is disabled for normal output. */ + RTLOGFLAGS_DISABLED = 0x00000001, + /** The logger instance is using buffered output. */ + RTLOGFLAGS_BUFFERED = 0x00000002, + /** The logger instance expands LF to CR/LF. */ + RTLOGFLAGS_USECRLF = 0x00000010, + /** Append to the log destination where applicable. */ + RTLOGFLAGS_APPEND = 0x00000020, + /** Show relative timestamps with PREFIX_TSC and PREFIX_TS */ + RTLOGFLAGS_REL_TS = 0x00000040, + /** Show decimal timestamps with PREFIX_TSC and PREFIX_TS */ + RTLOGFLAGS_DECIMAL_TS = 0x00000080, + /** Open the file in write through mode. */ + RTLOGFLAGS_WRITE_THROUGH = 0x00000100, + /** Flush the file to disk when flushing the buffer. */ + RTLOGFLAGS_FLUSH = 0x00000200, + /** Restrict the number of log entries per group. */ + RTLOGFLAGS_RESTRICT_GROUPS = 0x00000400, + /** New lines should be prefixed with the write and read lock counts. */ + RTLOGFLAGS_PREFIX_LOCK_COUNTS = 0x00008000, + /** New lines should be prefixed with the CPU id (ApicID on intel/amd). */ + RTLOGFLAGS_PREFIX_CPUID = 0x00010000, + /** New lines should be prefixed with the native process id. */ + RTLOGFLAGS_PREFIX_PID = 0x00020000, + /** New lines should be prefixed with group flag number causing the output. */ + RTLOGFLAGS_PREFIX_FLAG_NO = 0x00040000, + /** New lines should be prefixed with group flag name causing the output. */ + RTLOGFLAGS_PREFIX_FLAG = 0x00080000, + /** New lines should be prefixed with group number. */ + RTLOGFLAGS_PREFIX_GROUP_NO = 0x00100000, + /** New lines should be prefixed with group name. */ + RTLOGFLAGS_PREFIX_GROUP = 0x00200000, + /** New lines should be prefixed with the native thread id. */ + RTLOGFLAGS_PREFIX_TID = 0x00400000, + /** New lines should be prefixed with thread name. */ + RTLOGFLAGS_PREFIX_THREAD = 0x00800000, + /** New lines should be prefixed with data from a custom callback. */ + RTLOGFLAGS_PREFIX_CUSTOM = 0x01000000, + /** New lines should be prefixed with formatted timestamp since program start. */ + RTLOGFLAGS_PREFIX_TIME_PROG = 0x04000000, + /** New lines should be prefixed with formatted timestamp (UCT). */ + RTLOGFLAGS_PREFIX_TIME = 0x08000000, + /** New lines should be prefixed with milliseconds since program start. */ + RTLOGFLAGS_PREFIX_MS_PROG = 0x10000000, + /** New lines should be prefixed with timestamp. */ + RTLOGFLAGS_PREFIX_TSC = 0x20000000, + /** New lines should be prefixed with timestamp. */ + RTLOGFLAGS_PREFIX_TS = 0x40000000, + /** The prefix mask. */ + RTLOGFLAGS_PREFIX_MASK = 0x7dff8000 +} RTLOGFLAGS; +/** Don't use locking. */ +#define RTLOG_F_NO_LOCKING RT_BIT_64(63) +/** Mask with all valid log flags (for validation). */ +#define RTLOG_F_VALID_MASK UINT64_C(0x800000007fff87f3) + +/** + * Logger per group flags. + * + * @remarks We only use the lower 16 bits here. We'll be combining it with the + * group number in a few places. + */ +typedef enum RTLOGGRPFLAGS +{ + /** Enabled. */ + RTLOGGRPFLAGS_ENABLED = 0x0001, + /** Flow logging. */ + RTLOGGRPFLAGS_FLOW = 0x0002, + /** Warnings logging. */ + RTLOGGRPFLAGS_WARN = 0x0004, + /* 0x0008 for later. */ + /** Level 1 logging. */ + RTLOGGRPFLAGS_LEVEL_1 = 0x0010, + /** Level 2 logging. */ + RTLOGGRPFLAGS_LEVEL_2 = 0x0020, + /** Level 3 logging. */ + RTLOGGRPFLAGS_LEVEL_3 = 0x0040, + /** Level 4 logging. */ + RTLOGGRPFLAGS_LEVEL_4 = 0x0080, + /** Level 5 logging. */ + RTLOGGRPFLAGS_LEVEL_5 = 0x0100, + /** Level 6 logging. */ + RTLOGGRPFLAGS_LEVEL_6 = 0x0200, + /** Level 7 logging. */ + RTLOGGRPFLAGS_LEVEL_7 = 0x0400, + /** Level 8 logging. */ + RTLOGGRPFLAGS_LEVEL_8 = 0x0800, + /** Level 9 logging. */ + RTLOGGRPFLAGS_LEVEL_9 = 0x1000, + /** Level 10 logging. */ + RTLOGGRPFLAGS_LEVEL_10 = 0x2000, + /** Level 11 logging. */ + RTLOGGRPFLAGS_LEVEL_11 = 0x4000, + /** Level 12 logging. */ + RTLOGGRPFLAGS_LEVEL_12 = 0x8000, + + /** Restrict the number of log entries. */ + RTLOGGRPFLAGS_RESTRICT = 0x40000000, + /** Blow up the type. */ + RTLOGGRPFLAGS_32BIT_HACK = 0x7fffffff +} RTLOGGRPFLAGS; + +/** + * Logger destination types and flags. + */ +typedef enum RTLOGDEST +{ + /** Log to file. */ + RTLOGDEST_FILE = 0x00000001, + /** Log to stdout. */ + RTLOGDEST_STDOUT = 0x00000002, + /** Log to stderr. */ + RTLOGDEST_STDERR = 0x00000004, + /** Log to debugger (win32 only). */ + RTLOGDEST_DEBUGGER = 0x00000008, + /** Log to com port. */ + RTLOGDEST_COM = 0x00000010, + /** Log a memory ring buffer. */ + RTLOGDEST_RINGBUF = 0x00000020, + /** The parent VMM debug log. */ + RTLOGDEST_VMM = 0x00000040, + /** The parent VMM release log. */ + RTLOGDEST_VMM_REL = 0x00000080, + /** Open files with no deny (share read, write, delete) on Windows. */ + RTLOGDEST_F_NO_DENY = 0x00010000, + /** Delay opening the log file, logging to the buffer untill + * RTLogClearFileDelayFlag is called. */ + RTLOGDEST_F_DELAY_FILE = 0x00020000, + /** Don't allow changes to the filename or mode of opening it. */ + RTLOGDEST_FIXED_FILE = 0x01000000, + /** Don't allow changing the directory. */ + RTLOGDEST_FIXED_DIR = 0x02000000, + /** Just a dummy flag to be used when no other flag applies. */ + RTLOGDEST_DUMMY = 0x20000000, + /** Log to a user defined output stream. */ + RTLOGDEST_USER = 0x40000000 +} RTLOGDEST; +/** Valid log destinations. */ +#define RTLOG_DST_VALID_MASK UINT32_C(0x630300ff) +/** Log destinations that can be changed via RTLogChangeDestinations. */ +#define RTLOG_DST_CHANGE_MASK UINT32_C(0x400000de) + + +#ifdef DOXYGEN_RUNNING +# define LOG_DISABLED +# define LOG_ENABLED +# define LOG_ENABLE_FLOW +#endif + +/** @def LOG_DISABLED + * Use this compile time define to disable all logging macros. It can + * be overridden for each of the logging macros by the LOG_ENABLE* + * compile time defines. + */ + +/** @def LOG_ENABLED + * Use this compile time define to enable logging when not in debug mode + * or LOG_DISABLED is set. + * This will enable Log() only. + */ + +/** @def LOG_ENABLE_FLOW + * Use this compile time define to enable flow logging when not in + * debug mode or LOG_DISABLED is defined. + * This will enable LogFlow() only. + */ + +/* + * Determine whether logging is enabled and forcefully normalize the indicators. + */ +#if (defined(DEBUG) || defined(LOG_ENABLED)) && !defined(LOG_DISABLED) +# undef LOG_DISABLED +# undef LOG_ENABLED +# define LOG_ENABLED +#else +# undef LOG_ENABLED +# undef LOG_DISABLED +# define LOG_DISABLED +#endif + + +/** @def LOG_USE_C99 + * Governs the use of variadic macros. + */ +#ifndef LOG_USE_C99 +# define LOG_USE_C99 +#endif + + +/** @name Macros for checking whether a log level is enabled. + * @{ */ +/** @def LogIsItEnabled + * Checks whether the specified logging group is enabled or not. + */ +#ifdef LOG_ENABLED +# define LogIsItEnabled(a_fFlags, a_iGroup) ( RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)) != NULL ) +#else +# define LogIsItEnabled(a_fFlags, a_iGroup) (false) +#endif + +/** @def LogIsEnabled + * Checks whether level 1 logging is enabled. + */ +#define LogIsEnabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP) + +/** @def LogIs2Enabled + * Checks whether level 2 logging is enabled. + */ +#define LogIs2Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP) + +/** @def LogIs3Enabled + * Checks whether level 3 logging is enabled. + */ +#define LogIs3Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP) + +/** @def LogIs4Enabled + * Checks whether level 4 logging is enabled. + */ +#define LogIs4Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP) + +/** @def LogIs5Enabled + * Checks whether level 5 logging is enabled. + */ +#define LogIs5Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP) + +/** @def LogIs6Enabled + * Checks whether level 6 logging is enabled. + */ +#define LogIs6Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP) + +/** @def LogIs7Enabled + * Checks whether level 7 logging is enabled. + */ +#define LogIs7Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP) + +/** @def LogIs8Enabled + * Checks whether level 8 logging is enabled. + */ +#define LogIs8Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP) + +/** @def LogIs9Enabled + * Checks whether level 9 logging is enabled. + */ +#define LogIs9Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP) + +/** @def LogIs10Enabled + * Checks whether level 10 logging is enabled. + */ +#define LogIs10Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP) + +/** @def LogIs11Enabled + * Checks whether level 11 logging is enabled. + */ +#define LogIs11Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP) + +/** @def LogIs12Enabled + * Checks whether level 12 logging is enabled. + */ +#define LogIs12Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP) + +/** @def LogIsFlowEnabled + * Checks whether execution flow logging is enabled. + */ +#define LogIsFlowEnabled() LogIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP) + +/** @def LogIsWarnEnabled + * Checks whether execution flow logging is enabled. + */ +#define LogIsWarnEnabled() LogIsItEnabled(RTLOGGRPFLAGS_WARN, LOG_GROUP) +/** @} */ + + +/** @def LogIt + * Write to specific logger if group enabled. + */ +#ifdef LOG_ENABLED +# if defined(LOG_USE_C99) +# define _LogRemoveParentheseis(...) __VA_ARGS__ +# define _LogIt(a_fFlags, a_iGroup, ...) \ + do \ + { \ + PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (RT_LIKELY(!LogIt_pLogger)) \ + { /* likely */ } \ + else \ + RTLogLoggerEx(LogIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \ + } while (0) +# define LogIt(a_fFlags, a_iGroup, fmtargs) _LogIt(a_fFlags, a_iGroup, _LogRemoveParentheseis fmtargs) +# define _LogItAlways(a_fFlags, a_iGroup, ...) RTLogLoggerEx(NULL, a_fFlags, UINT32_MAX, __VA_ARGS__) +# define LogItAlways(a_fFlags, a_iGroup, fmtargs) _LogItAlways(a_fFlags, a_iGroup, _LogRemoveParentheseis fmtargs) + /** @todo invent a flag or something for skipping the group check so we can pass iGroup. LogItAlways. */ +# else +# define LogIt(a_fFlags, a_iGroup, fmtargs) \ + do \ + { \ + PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (RT_LIKELY(!LogIt_pLogger)) \ + { /* likely */ } \ + else \ + { \ + LogIt_pLogger->pfnLogger fmtargs; \ + } \ + } while (0) +# define LogItAlways(a_fFlags, a_iGroup, fmtargs) \ + do \ + { \ + PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(0, UINT16_MAX)); \ + if (LogIt_pLogger) \ + LogIt_pLogger->pfnLogger fmtargs; \ + } while (0) +# endif +#else +# define LogIt(a_fFlags, a_iGroup, fmtargs) do { } while (0) +# define LogItAlways(a_fFlags, a_iGroup, fmtargs) do { } while (0) +# if defined(LOG_USE_C99) +# define _LogRemoveParentheseis(...) __VA_ARGS__ +# define _LogIt(a_fFlags, a_iGroup, ...) do { } while (0) +# define _LogItAlways(a_fFlags, a_iGroup, ...) do { } while (0) +# endif +#endif + + +/** @name Basic logging macros + * @{ */ +/** @def Log + * Level 1 logging that works regardless of the group settings. + */ +#define LogAlways(a) LogItAlways(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a) + +/** @def Log + * Level 1 logging. + */ +#define Log(a) LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a) + +/** @def Log2 + * Level 2 logging. + */ +#define Log2(a) LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a) + +/** @def Log3 + * Level 3 logging. + */ +#define Log3(a) LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a) + +/** @def Log4 + * Level 4 logging. + */ +#define Log4(a) LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a) + +/** @def Log5 + * Level 5 logging. + */ +#define Log5(a) LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a) + +/** @def Log6 + * Level 6 logging. + */ +#define Log6(a) LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a) + +/** @def Log7 + * Level 7 logging. + */ +#define Log7(a) LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a) + +/** @def Log8 + * Level 8 logging. + */ +#define Log8(a) LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a) + +/** @def Log9 + * Level 9 logging. + */ +#define Log9(a) LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a) + +/** @def Log10 + * Level 10 logging. + */ +#define Log10(a) LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a) + +/** @def Log11 + * Level 11 logging. + */ +#define Log11(a) LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a) + +/** @def Log12 + * Level 12 logging. + */ +#define Log12(a) LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a) + +/** @def LogFlow + * Logging of execution flow. + */ +#define LogFlow(a) LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, a) + +/** @def LogWarn + * Logging of warnings. + */ +#define LogWarn(a) LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, a) +/** @} */ + + +/** @name Logging macros prefixing the current function name. + * @{ */ +/** @def LogFunc + * Level 1 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogFunc(a) _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogFunc(a) do { Log((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log(a); } while (0) +#endif + +/** @def Log2Func + * Level 2 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log2Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log2Func(a) do { Log2((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log2(a); } while (0) +#endif + +/** @def Log3Func + * Level 3 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log3Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log3Func(a) do { Log3((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log3(a); } while (0) +#endif + +/** @def Log4Func + * Level 4 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log4Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log4Func(a) do { Log4((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log4(a); } while (0) +#endif + +/** @def Log5Func + * Level 5 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log5Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log5Func(a) do { Log5((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log5(a); } while (0) +#endif + +/** @def Log6Func + * Level 6 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log6Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log6Func(a) do { Log6((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log6(a); } while (0) +#endif + +/** @def Log7Func + * Level 7 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log7Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log7Func(a) do { Log7((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log7(a); } while (0) +#endif + +/** @def Log8Func + * Level 8 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log8Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log8Func(a) do { Log8((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log8(a); } while (0) +#endif + +/** @def Log9Func + * Level 9 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log9Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log9Func(a) do { Log9((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log9(a); } while (0) +#endif + +/** @def Log10Func + * Level 10 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log10Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log10Func(a) do { Log10((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log10(a); } while (0) +#endif + +/** @def Log11Func + * Level 11 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log11Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log11Func(a) do { Log11((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log11(a); } while (0) +#endif + +/** @def Log12Func + * Level 12 logging inside C/C++ functions. + * + * Prepends the given log message with the function name followed by a + * semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log12Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log12Func(a) do { Log12((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log12(a); } while (0) +#endif + +/** @def LogFlowFunc + * Macro to log the execution flow inside C/C++ functions. + * + * Prepends the given log message with the function name followed by + * a semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogFlowFunc(a) \ + _LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogFlowFunc(a) \ + do { LogFlow((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogFlow(a); } while (0) +#endif + +/** @def LogWarnFunc + * Macro to log a warning inside C/C++ functions. + * + * Prepends the given log message with the function name followed by + * a semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogWarnFunc(a) \ + _LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogWarnFunc(a) \ + do { LogFlow((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogFlow(a); } while (0) +#endif +/** @} */ + + +/** @name Logging macros prefixing the this pointer value and method name. + * @{ */ + +/** @def LogThisFunc + * Level 1 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogThisFunc(a) do { Log(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log(a); } while (0) +#endif + +/** @def Log2ThisFunc + * Level 2 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log2ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log2ThisFunc(a) do { Log2(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log2(a); } while (0) +#endif + +/** @def Log3ThisFunc + * Level 3 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log3ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log3ThisFunc(a) do { Log3(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log3(a); } while (0) +#endif + +/** @def Log4ThisFunc + * Level 4 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log4ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log4ThisFunc(a) do { Log4(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log4(a); } while (0) +#endif + +/** @def Log5ThisFunc + * Level 5 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log5ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log5ThisFunc(a) do { Log5(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log5(a); } while (0) +#endif + +/** @def Log6ThisFunc + * Level 6 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log6ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log6ThisFunc(a) do { Log6(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log6(a); } while (0) +#endif + +/** @def Log7ThisFunc + * Level 7 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log7ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log7ThisFunc(a) do { Log7(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log7(a); } while (0) +#endif + +/** @def Log8ThisFunc + * Level 8 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log8ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log8ThisFunc(a) do { Log8(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log8(a); } while (0) +#endif + +/** @def Log9ThisFunc + * Level 9 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log9ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log9ThisFunc(a) do { Log9(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log9(a); } while (0) +#endif + +/** @def Log10ThisFunc + * Level 10 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log10ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log10ThisFunc(a) do { Log10(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log10(a); } while (0) +#endif + +/** @def Log11ThisFunc + * Level 11 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log11ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log11ThisFunc(a) do { Log11(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log11(a); } while (0) +#endif + +/** @def Log12ThisFunc + * Level 12 logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log12ThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log12ThisFunc(a) do { Log12(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log12(a); } while (0) +#endif + +/** @def LogFlowThisFunc + * Flow level logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogFlowThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogFlowThisFunc(a) do { LogFlow(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogFlow(a); } while (0) +#endif + +/** @def LogWarnThisFunc + * Warning level logging inside a C++ non-static method, with object pointer and + * method name prefixed to the given message. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogWarnThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogWarnThisFunc(a) do { LogWarn(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogWarn(a); } while (0) +#endif +/** @} */ + + +/** @name Misc Logging Macros + * @{ */ + +/** @def Log1Warning + * The same as Log(), but prepents a <tt>"WARNING! "</tt> string to the message. + * + * @param a Custom log message in format <tt>("string\n" [, args])</tt>. + */ +#if defined(LOG_USE_C99) +# define Log1Warning(a) _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "WARNING! %M", _LogRemoveParentheseis a ) +#else +# define Log1Warning(a) do { Log(("WARNING! ")); Log(a); } while (0) +#endif + +/** @def Log1WarningFunc + * The same as LogWarning(), but prepents the log message with the function name. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log1WarningFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": WARNING! %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log1WarningFunc(a) \ + do { Log((LOG_FN_FMT ": WARNING! ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log(a); } while (0) +#endif + +/** @def Log1WarningThisFunc + * The same as LogWarningFunc() but for class functions (methods): the resulting + * log line is additionally prepended with a hex value of |this| pointer. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define Log1WarningThisFunc(a) \ + _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": WARNING! %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define Log1WarningThisFunc(a) \ + do { Log(("{%p} " LOG_FN_FMT ": WARNING! ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log(a); } while (0) +#endif + + +/** Shortcut to |LogFlowFunc ("ENTER\n")|, marks the beginnig of the function. */ +#define LogFlowFuncEnter() LogFlowFunc(("ENTER\n")) + +/** Shortcut to |LogFlowFunc ("LEAVE\n")|, marks the end of the function. */ +#define LogFlowFuncLeave() LogFlowFunc(("LEAVE\n")) + +/** Shortcut to |LogFlowFunc ("LEAVE: %Rrc\n")|, marks the end of the function. */ +#define LogFlowFuncLeaveRC(rc) LogFlowFunc(("LEAVE: %Rrc\n", (rc))) + +/** Shortcut to |LogFlowThisFunc ("ENTER\n")|, marks the beginnig of the function. */ +#define LogFlowThisFuncEnter() LogFlowThisFunc(("ENTER\n")) + +/** Shortcut to |LogFlowThisFunc ("LEAVE\n")|, marks the end of the function. */ +#define LogFlowThisFuncLeave() LogFlowThisFunc(("LEAVE\n")) + + +/** @def LogObjRefCnt + * Helper macro to print the current reference count of the given COM object + * to the log file. + * + * @param pObj Pointer to the object in question (must be a pointer to an + * IUnknown subclass or simply define COM-style AddRef() and + * Release() methods) + */ +#define LogObjRefCnt(pObj) \ + do { \ + if (LogIsFlowEnabled()) \ + { \ + int cRefsForLog = (pObj)->AddRef(); \ + LogFlow((#pObj "{%p}.refCnt=%d\n", (pObj), cRefsForLog - 1)); \ + (pObj)->Release(); \ + } \ + } while (0) +/** @} */ + + + +/** @name Passing Function Call Position When Logging. + * + * This is a little bit ugly as we have to omit the comma before the + * position parameters so that we don't inccur any overhead in non-logging + * builds (!defined(LOG_ENABLED). + * + * @{ */ +/** Source position for passing to a function call. */ +#ifdef LOG_ENABLED +# define RTLOG_COMMA_SRC_POS , __FILE__, __LINE__, RT_GCC_EXTENSION __PRETTY_FUNCTION__ +#else +# define RTLOG_COMMA_SRC_POS RT_NOTHING +#endif +/** Source position declaration. */ +#ifdef LOG_ENABLED +# define RTLOG_COMMA_SRC_POS_DECL , const char *pszFile, unsigned iLine, const char *pszFunction +#else +# define RTLOG_COMMA_SRC_POS_DECL RT_NOTHING +#endif +/** Source position arguments. */ +#ifdef LOG_ENABLED +# define RTLOG_COMMA_SRC_POS_ARGS , pszFile, iLine, pszFunction +#else +# define RTLOG_COMMA_SRC_POS_ARGS RT_NOTHING +#endif +/** Applies NOREF() to the source position arguments. */ +#ifdef LOG_ENABLED +# define RTLOG_SRC_POS_NOREF() do { NOREF(pszFile); NOREF(iLine); NOREF(pszFunction); } while (0) +#else +# define RTLOG_SRC_POS_NOREF() do { } while (0) +#endif +/** @} */ + + + +/** @defgroup grp_rt_log_rel Release Logging + * @{ + */ + +#ifdef DOXYGEN_RUNNING +# define RTLOG_REL_DISABLED +# define RTLOG_REL_ENABLED +#endif + +/** @def RTLOG_REL_DISABLED + * Use this compile time define to disable all release logging + * macros. + */ + +/** @def RTLOG_REL_ENABLED + * Use this compile time define to override RTLOG_REL_DISABLE. + */ + +/* + * Determine whether release logging is enabled and forcefully normalize the indicators. + */ +#if !defined(RTLOG_REL_DISABLED) || defined(RTLOG_REL_ENABLED) +# undef RTLOG_REL_DISABLED +# undef RTLOG_REL_ENABLED +# define RTLOG_REL_ENABLED +#else +# undef RTLOG_REL_ENABLED +# undef RTLOG_REL_DISABLED +# define RTLOG_REL_DISABLED +#endif + +/** @name Macros for checking whether a release log level is enabled. + * @{ */ +/** @def LogRelIsItEnabled + * Checks whether the specified release logging group is enabled or not. + */ +#define LogRelIsItEnabled(a_fFlags, a_iGroup) ( RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)) != NULL ) + +/** @def LogRelIsEnabled + * Checks whether level 1 release logging is enabled. + */ +#define LogRelIsEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP) + +/** @def LogRelIs2Enabled + * Checks whether level 2 release logging is enabled. + */ +#define LogRelIs2Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP) + +/** @def LogRelIs3Enabled + * Checks whether level 3 release logging is enabled. + */ +#define LogRelIs3Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP) + +/** @def LogRelIs4Enabled + * Checks whether level 4 release logging is enabled. + */ +#define LogRelIs4Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP) + +/** @def LogRelIs5Enabled + * Checks whether level 5 release logging is enabled. + */ +#define LogRelIs5Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP) + +/** @def LogRelIs6Enabled + * Checks whether level 6 release logging is enabled. + */ +#define LogRelIs6Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP) + +/** @def LogRelIs7Enabled + * Checks whether level 7 release logging is enabled. + */ +#define LogRelIs7Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP) + +/** @def LogRelIs8Enabled + * Checks whether level 8 release logging is enabled. + */ +#define LogRelIs8Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP) + +/** @def LogRelIs2Enabled + * Checks whether level 9 release logging is enabled. + */ +#define LogRelIs9Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP) + +/** @def LogRelIs10Enabled + * Checks whether level 10 release logging is enabled. + */ +#define LogRelIs10Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP) + +/** @def LogRelIs11Enabled + * Checks whether level 10 release logging is enabled. + */ +#define LogRelIs11Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP) + +/** @def LogRelIs12Enabled + * Checks whether level 12 release logging is enabled. + */ +#define LogRelIs12Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP) + +/** @def LogRelIsFlowEnabled + * Checks whether execution flow release logging is enabled. + */ +#define LogRelIsFlowEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP) + +/** @def LogRelIsWarnEnabled + * Checks whether warning level release logging is enabled. + */ +#define LogRelIsWarnEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP) +/** @} */ + + +/** @def LogRelIt + * Write to specific logger if group enabled. + */ +/** @def LogRelItLikely + * Write to specific logger if group enabled, assuming it likely it is enabled. + */ +/** @def LogRelMaxIt + * Write to specific logger if group enabled and at less than a_cMax messages + * have hit the log. Uses a static variable to count. + */ +#ifdef RTLOG_REL_ENABLED +# if defined(LOG_USE_C99) +# define _LogRelRemoveParentheseis(...) __VA_ARGS__ +# define _LogRelIt(a_fFlags, a_iGroup, ...) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (RT_LIKELY(!LogRelIt_pLogger)) \ + { /* likely */ } \ + else \ + RTLogLoggerExWeak(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \ + _LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \ + } while (0) +# define LogRelIt(a_fFlags, a_iGroup, fmtargs) \ + _LogRelIt(a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs) +# define _LogRelItLikely(a_fFlags, a_iGroup, ...) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (LogRelIt_pLogger) \ + RTLogLoggerExWeak(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \ + _LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \ + } while (0) +# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) \ + _LogRelItLikely(a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs) +# define _LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, ...) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (LogRelIt_pLogger) \ + { \ + static uint32_t s_LogRelMaxIt_cLogged = 0; \ + if (s_LogRelMaxIt_cLogged < (a_cMax)) \ + { \ + s_LogRelMaxIt_cLogged++; \ + RTLogLoggerExWeak(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \ + } \ + } \ + _LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \ + } while (0) +# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) \ + _LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs) +# else +# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (LogRelIt_pLogger) \ + { \ + LogRelIt_pLogger->pfnLogger fmtargs; \ + } \ + LogIt(a_fFlags, a_iGroup, fmtargs); \ + } while (0) +# define LogRelIt(a_fFlags, a_iGroup, fmtargs) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (RT_LIKELY(!LogRelIt_pLogger)) \ + { /* likely */ } \ + else \ + { \ + LogRelIt_pLogger->pfnLogger fmtargs; \ + } \ + LogIt(a_fFlags, a_iGroup, fmtargs); \ + } while (0) +# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) \ + do \ + { \ + PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceExWeak(RT_MAKE_U32(a_fFlags, a_iGroup)); \ + if (LogRelIt_pLogger) \ + { \ + static uint32_t s_LogRelMaxIt_cLogged = 0; \ + if (s_LogRelMaxIt_cLogged < (a_cMax)) \ + { \ + s_LogRelMaxIt_cLogged++; \ + LogRelIt_pLogger->pfnLogger fmtargs; \ + } \ + } \ + LogIt(a_fFlags, a_iGroup, fmtargs); \ + } while (0) +# endif +#else /* !RTLOG_REL_ENABLED */ +# define LogRelIt(a_fFlags, a_iGroup, fmtargs) do { } while (0) +# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) do { } while (0) +# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) do { } while (0) +# if defined(LOG_USE_C99) +# define _LogRelRemoveParentheseis(...) __VA_ARGS__ +# define _LogRelIt(a_fFlags, a_iGroup, ...) do { } while (0) +# define _LogRelItLikely(a_fFlags, a_iGroup, ...) do { } while (0) +# define _LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, ...) do { } while (0) +# endif +#endif /* !RTLOG_REL_ENABLED */ + + +/** @name Basic release logging macros + * @{ */ +/** @def LogRel + * Level 1 release logging. + */ +#define LogRel(a) LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a) + +/** @def LogRel2 + * Level 2 release logging. + */ +#define LogRel2(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a) + +/** @def LogRel3 + * Level 3 release logging. + */ +#define LogRel3(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a) + +/** @def LogRel4 + * Level 4 release logging. + */ +#define LogRel4(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a) + +/** @def LogRel5 + * Level 5 release logging. + */ +#define LogRel5(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a) + +/** @def LogRel6 + * Level 6 release logging. + */ +#define LogRel6(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a) + +/** @def LogRel7 + * Level 7 release logging. + */ +#define LogRel7(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a) + +/** @def LogRel8 + * Level 8 release logging. + */ +#define LogRel8(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a) + +/** @def LogRel9 + * Level 9 release logging. + */ +#define LogRel9(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a) + +/** @def LogRel10 + * Level 10 release logging. + */ +#define LogRel10(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a) + +/** @def LogRel11 + * Level 11 release logging. + */ +#define LogRel11(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a) + +/** @def LogRel12 + * Level 12 release logging. + */ +#define LogRel12(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a) + +/** @def LogRelFlow + * Logging of execution flow. + */ +#define LogRelFlow(a) LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, a) + +/** @def LogRelWarn + * Warning level release logging. + */ +#define LogRelWarn(a) LogRelIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, a) +/** @} */ + + + +/** @name Basic release logging macros with local max + * @{ */ +/** @def LogRelMax + * Level 1 release logging with a max number of log entries. + */ +#define LogRelMax(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a) + +/** @def LogRelMax2 + * Level 2 release logging with a max number of log entries. + */ +#define LogRelMax2(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a) + +/** @def LogRelMax3 + * Level 3 release logging with a max number of log entries. + */ +#define LogRelMax3(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a) + +/** @def LogRelMax4 + * Level 4 release logging with a max number of log entries. + */ +#define LogRelMax4(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a) + +/** @def LogRelMax5 + * Level 5 release logging with a max number of log entries. + */ +#define LogRelMax5(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a) + +/** @def LogRelMax6 + * Level 6 release logging with a max number of log entries. + */ +#define LogRelMax6(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a) + +/** @def LogRelMax7 + * Level 7 release logging with a max number of log entries. + */ +#define LogRelMax7(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a) + +/** @def LogRelMax8 + * Level 8 release logging with a max number of log entries. + */ +#define LogRelMax8(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a) + +/** @def LogRelMax9 + * Level 9 release logging with a max number of log entries. + */ +#define LogRelMax9(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a) + +/** @def LogRelMax10 + * Level 10 release logging with a max number of log entries. + */ +#define LogRelMax10(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a) + +/** @def LogRelMax11 + * Level 11 release logging with a max number of log entries. + */ +#define LogRelMax11(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a) + +/** @def LogRelMax12 + * Level 12 release logging with a max number of log entries. + */ +#define LogRelMax12(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a) + +/** @def LogRelMaxFlow + * Logging of execution flow with a max number of log entries. + */ +#define LogRelMaxFlow(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_FLOW, LOG_GROUP, a) +/** @} */ + + +/** @name Release logging macros prefixing the current function name. + * @{ */ + +/** @def LogRelFunc + * Release logging. Prepends the given log message with the function name + * followed by a semicolon and space. + */ +#ifdef LOG_USE_C99 +# define LogRelFunc(a) \ + _LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelFunc(a) do { LogRel((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRel(a); } while (0) +#endif + +/** @def LogRelFlowFunc + * Release logging. Macro to log the execution flow inside C/C++ functions. + * + * Prepends the given log message with the function name followed by + * a semicolon and space. + * + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogRelFlowFunc(a) _LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelFlowFunc(a) do { LogRelFlow((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRelFlow(a); } while (0) +#endif + +/** @def LogRelMaxFunc + * Release logging. Prepends the given log message with the function name + * followed by a semicolon and space. + */ +#ifdef LOG_USE_C99 +# define LogRelMaxFunc(a_cMax, a) \ + _LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelMaxFunc(a_cMax, a) \ + do { LogRelMax(a_cMax, (LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRelMax(a_cMax, a); } while (0) +#endif + +/** @def LogRelMaxFlowFunc + * Release logging. Macro to log the execution flow inside C/C++ functions. + * + * Prepends the given log message with the function name followed by + * a semicolon and space. + * + * @param a_cMax Max number of times this should hit the log. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogRelMaxFlowFunc(a_cMax, a) \ + _LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelMaxFlowFunc(a_cMax, a) \ + do { LogRelMaxFlow(a_cMax, (LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRelFlow(a_cMax, a); } while (0) +#endif + +/** @} */ + + +/** @name Release Logging macros prefixing the this pointer value and method name. + * @{ */ + +/** @def LogRelThisFunc + * The same as LogRelFunc but for class functions (methods): the resulting log + * line is additionally prepended with a hex value of |this| pointer. + */ +#ifdef LOG_USE_C99 +# define LogRelThisFunc(a) \ + _LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelThisFunc(a) \ + do { LogRel(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRel(a); } while (0) +#endif + +/** @def LogRelMaxThisFunc + * The same as LogRelFunc but for class functions (methods): the resulting log + * line is additionally prepended with a hex value of |this| pointer. + * @param a_cMax Max number of times this should hit the log. + * @param a Log message in format <tt>("string\n" [, args])</tt>. + */ +#ifdef LOG_USE_C99 +# define LogRelMaxThisFunc(a_cMax, a) \ + _LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelMaxThisFunc(a_cMax, a) \ + do { LogRelMax(a_cMax, ("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRelMax(a_cMax, a); } while (0) +#endif + +/** @def LogRelFlowThisFunc + * The same as LogRelFlowFunc but for class functions (methods): the resulting + * log line is additionally prepended with a hex value of |this| pointer. + */ +#ifdef LOG_USE_C99 +# define LogRelFlowThisFunc(a) \ + _LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a ) +#else +# define LogRelFlowThisFunc(a) do { LogRelFlow(("{%p} " LOG_FN_FMT ": ", this, RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRelFlow(a); } while (0) +#endif + + +/** Shortcut to |LogRelFlowFunc ("ENTER\n")|, marks the beginnig of the function. */ +#define LogRelFlowFuncEnter() LogRelFlowFunc(("ENTER\n")) + +/** Shortcut to |LogRelFlowFunc ("LEAVE\n")|, marks the end of the function. */ +#define LogRelFlowFuncLeave() LogRelFlowFunc(("LEAVE\n")) + +/** Shortcut to |LogRelFlowFunc ("LEAVE: %Rrc\n")|, marks the end of the function. */ +#define LogRelFlowFuncLeaveRC(rc) LogRelFlowFunc(("LEAVE: %Rrc\n", (rc))) + +/** Shortcut to |LogRelFlowThisFunc ("ENTER\n")|, marks the beginnig of the function. */ +#define LogRelFlowThisFuncEnter() LogRelFlowThisFunc(("ENTER\n")) + +/** Shortcut to |LogRelFlowThisFunc ("LEAVE\n")|, marks the end of the function. */ +#define LogRelFlowThisFuncLeave() LogRelFlowThisFunc(("LEAVE\n")) + +/** @} */ + + +/** + * Sets the default release logger instance. + * + * @returns The old default instance. + * @param pLogger The new default release logger instance. + */ +RTDECL(PRTLOGGER) RTLogRelSetDefaultInstance(PRTLOGGER pLogger); + +/** + * Gets the default release logger instance. + * + * @returns Pointer to default release logger instance if availble, otherwise NULL. + */ +RTDECL(PRTLOGGER) RTLogRelGetDefaultInstance(void); + +/** @copydoc RTLogRelGetDefaultInstance */ +typedef DECLCALLBACKTYPE(PRTLOGGER, FNLOGRELGETDEFAULTINSTANCE,(void)); +/** Pointer to RTLogRelGetDefaultInstance. */ +typedef FNLOGRELGETDEFAULTINSTANCE *PFNLOGRELGETDEFAULTINSTANCE; + +/** "Weak symbol" emulation for RTLogRelGetDefaultInstance. + * @note This is first set when RTLogRelSetDefaultInstance is called. */ +extern RTDATADECL(PFNLOGRELGETDEFAULTINSTANCE) g_pfnRTLogRelGetDefaultInstance; + +/** "Weak symbol" wrapper for RTLogRelGetDefaultInstance. */ +DECL_FORCE_INLINE(PRTLOGGER) RTLogRelGetDefaultInstanceWeak(void) +{ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) + if (g_pfnRTLogRelGetDefaultInstance) + return g_pfnRTLogRelGetDefaultInstance(); + return NULL; +#else + return RTLogRelGetDefaultInstance(); +#endif +} + +/** + * Gets the default release logger instance. + * + * @returns Pointer to default release logger instance if availble, otherwise NULL. + * @param fFlagsAndGroup The flags in the lower 16 bits, the group number in + * the high 16 bits. + */ +RTDECL(PRTLOGGER) RTLogRelGetDefaultInstanceEx(uint32_t fFlagsAndGroup); + +/** @copydoc RTLogRelGetDefaultInstanceEx */ +typedef DECLCALLBACKTYPE(PRTLOGGER, FNLOGRELGETDEFAULTINSTANCEEX,(uint32_t fFlagsAndGroup)); +/** Pointer to RTLogRelGetDefaultInstanceEx. */ +typedef FNLOGRELGETDEFAULTINSTANCEEX *PFNLOGRELGETDEFAULTINSTANCEEX; + +/** "Weak symbol" emulation for RTLogRelGetDefaultInstanceEx. + * @note This is first set when RTLogRelSetDefaultInstance is called. */ +extern RTDATADECL(PFNLOGRELGETDEFAULTINSTANCEEX) g_pfnRTLogRelGetDefaultInstanceEx; + +/** "Weak symbol" wrapper for RTLogRelGetDefaultInstanceEx. */ +DECL_FORCE_INLINE(PRTLOGGER) RTLogRelGetDefaultInstanceExWeak(uint32_t fFlagsAndGroup) +{ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) + if (g_pfnRTLogRelGetDefaultInstanceEx) + return g_pfnRTLogRelGetDefaultInstanceEx(fFlagsAndGroup); + return NULL; +#else + return RTLogRelGetDefaultInstanceEx(fFlagsAndGroup); +#endif +} + + +/** + * Write to a logger instance, defaulting to the release one. + * + * This function will check whether the instance, group and flags makes up a + * logging kind which is currently enabled before writing anything to the log. + * + * @param pLogger Pointer to logger instance. + * @param fFlags The logging flags. + * @param iGroup The group. + * The value ~0U is reserved for compatibility with RTLogLogger[V] and is + * only for internal usage! + * @param pszFormat Format string. + * @param ... Format arguments. + * @remark This is a worker function for LogRelIt. + */ +RTDECL(void) RTLogRelLogger(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5); + +/** + * Write to a logger instance, defaulting to the release one. + * + * This function will check whether the instance, group and flags makes up a + * logging kind which is currently enabled before writing anything to the log. + * + * @param pLogger Pointer to logger instance. If NULL the default release instance is attempted. + * @param fFlags The logging flags. + * @param iGroup The group. + * The value ~0U is reserved for compatibility with RTLogLogger[V] and is + * only for internal usage! + * @param pszFormat Format string. + * @param args Format arguments. + */ +RTDECL(void) RTLogRelLoggerV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(4, 0); + +/** + * printf like function for writing to the default release log. + * + * @param pszFormat Printf like format string. + * @param ... Optional arguments as specified in pszFormat. + * + * @remark The API doesn't support formatting of floating point numbers at the moment. + */ +RTDECL(void) RTLogRelPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2); + +/** + * vprintf like function for writing to the default release log. + * + * @param pszFormat Printf like format string. + * @param args Optional arguments as specified in pszFormat. + * + * @remark The API doesn't support formatting of floating point numbers at the moment. + */ +RTDECL(void) RTLogRelPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0); + +/** + * Changes the buffering setting of the default release logger. + * + * This can be used for optimizing longish logging sequences. + * + * @returns The old state. + * @param fBuffered The new state. + */ +RTDECL(bool) RTLogRelSetBuffering(bool fBuffered); + +/** @} */ + + + +/** @name COM port logging + * @{ + */ + +#ifdef DOXYGEN_RUNNING +# define LOG_TO_COM +# define LOG_NO_COM +#endif + +/** @def LOG_TO_COM + * Redirects the normal logging macros to the serial versions. + */ + +/** @def LOG_NO_COM + * Disables all LogCom* macros. + */ + +/** @def LogCom + * Generic logging to serial port. + */ +#if defined(LOG_ENABLED) && !defined(LOG_NO_COM) +# define LogCom(a) RTLogComPrintf a +#else +# define LogCom(a) do { } while (0) +#endif + +/** @def LogComFlow + * Logging to serial port of execution flow. + */ +#if defined(LOG_ENABLED) && defined(LOG_ENABLE_FLOW) && !defined(LOG_NO_COM) +# define LogComFlow(a) RTLogComPrintf a +#else +# define LogComFlow(a) do { } while (0) +#endif + +#ifdef LOG_TO_COM +# undef Log +# define Log(a) LogCom(a) +# undef LogFlow +# define LogFlow(a) LogComFlow(a) +#endif + +/** @} */ + + +/** @name Backdoor Logging + * @{ + */ + +#ifdef DOXYGEN_RUNNING +# define LOG_TO_BACKDOOR +# define LOG_NO_BACKDOOR +#endif + +/** @def LOG_TO_BACKDOOR + * Redirects the normal logging macros to the backdoor versions. + */ + +/** @def LOG_NO_BACKDOOR + * Disables all LogBackdoor* macros. + */ + +/** @def LogBackdoor + * Generic logging to the VBox backdoor via port I/O. + */ +#if defined(LOG_ENABLED) && !defined(LOG_NO_BACKDOOR) +# define LogBackdoor(a) RTLogBackdoorPrintf a +#else +# define LogBackdoor(a) do { } while (0) +#endif + +/** @def LogBackdoorFlow + * Logging of execution flow messages to the backdoor I/O port. + */ +#if defined(LOG_ENABLED) && !defined(LOG_NO_BACKDOOR) +# define LogBackdoorFlow(a) RTLogBackdoorPrintf a +#else +# define LogBackdoorFlow(a) do { } while (0) +#endif + +/** @def LogRelBackdoor + * Release logging to the VBox backdoor via port I/O. + */ +#if !defined(LOG_NO_BACKDOOR) +# define LogRelBackdoor(a) RTLogBackdoorPrintf a +#else +# define LogRelBackdoor(a) do { } while (0) +#endif + +#ifdef LOG_TO_BACKDOOR +# undef Log +# define Log(a) LogBackdoor(a) +# undef LogFlow +# define LogFlow(a) LogBackdoorFlow(a) +# undef LogRel +# define LogRel(a) LogRelBackdoor(a) +# if defined(LOG_USE_C99) +# undef _LogIt +# define _LogIt(a_fFlags, a_iGroup, ...) LogBackdoor((__VA_ARGS__)) +# endif +#endif + +/** @} */ + + + +/** + * Gets the default logger instance, creating it if necessary. + * + * @returns Pointer to default logger instance if availble, otherwise NULL. + */ +RTDECL(PRTLOGGER) RTLogDefaultInstance(void); + +/** + * Gets the logger instance if enabled, creating it if necessary. + * + * @returns Pointer to default logger instance, if group has the specified + * flags enabled. Otherwise NULL is returned. + * @param fFlagsAndGroup The flags in the lower 16 bits, the group number in + * the high 16 bits. + */ +RTDECL(PRTLOGGER) RTLogDefaultInstanceEx(uint32_t fFlagsAndGroup); + +/** + * Gets the default logger instance (does not create one). + * + * @returns Pointer to default logger instance if availble, otherwise NULL. + */ +RTDECL(PRTLOGGER) RTLogGetDefaultInstance(void); + +/** @copydoc RTLogGetDefaultInstance */ +typedef DECLCALLBACKTYPE(PRTLOGGER, FNLOGGETDEFAULTINSTANCE,(void)); +/** Pointer to RTLogGetDefaultInstance. */ +typedef FNLOGGETDEFAULTINSTANCE *PFNLOGGETDEFAULTINSTANCE; + +/** "Weak symbol" emulation for RTLogGetDefaultInstance. + * @note This is first set when RTLogSetDefaultInstance is called. */ +extern RTDATADECL(PFNLOGGETDEFAULTINSTANCE) g_pfnRTLogGetDefaultInstance; + +/** "Weak symbol" wrapper for RTLogGetDefaultInstance. */ +DECL_FORCE_INLINE(PRTLOGGER) RTLogGetDefaultInstanceWeak(void) +{ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) + if (g_pfnRTLogGetDefaultInstance) + return g_pfnRTLogGetDefaultInstance(); + return NULL; +#else + return RTLogGetDefaultInstance(); +#endif +} + +/** + * Gets the default logger instance if enabled (does not create one). + * + * @returns Pointer to default logger instance, if group has the specified + * flags enabled. Otherwise NULL is returned. + * @param fFlagsAndGroup The flags in the lower 16 bits, the group number in + * the high 16 bits. + */ +RTDECL(PRTLOGGER) RTLogGetDefaultInstanceEx(uint32_t fFlagsAndGroup); + +/** @copydoc RTLogGetDefaultInstanceEx */ +typedef DECLCALLBACKTYPE(PRTLOGGER, FNLOGGETDEFAULTINSTANCEEX,(uint32_t fFlagsAndGroup)); +/** Pointer to RTLogGetDefaultInstanceEx. */ +typedef FNLOGGETDEFAULTINSTANCEEX *PFNLOGGETDEFAULTINSTANCEEX; + +/** "Weak symbol" emulation for RTLogGetDefaultInstanceEx. + * @note This is first set when RTLogSetDefaultInstance is called. */ +extern RTDATADECL(PFNLOGGETDEFAULTINSTANCEEX) g_pfnRTLogGetDefaultInstanceEx; + +/** "Weak symbol" wrapper for RTLogGetDefaultInstanceEx. */ +DECL_FORCE_INLINE(PRTLOGGER) RTLogGetDefaultInstanceExWeak(uint32_t fFlagsAndGroup) +{ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) + if (g_pfnRTLogGetDefaultInstanceEx) + return g_pfnRTLogGetDefaultInstanceEx(fFlagsAndGroup); + return NULL; +#else + return RTLogGetDefaultInstanceEx(fFlagsAndGroup); +#endif +} + +/** + * Sets the default logger instance. + * + * @returns The old default instance. + * @param pLogger The new default logger instance. + */ +RTDECL(PRTLOGGER) RTLogSetDefaultInstance(PRTLOGGER pLogger); + +#ifdef IN_RING0 +/** + * Changes the default logger instance for the current thread. + * + * @returns IPRT status code. + * @param pLogger The logger instance. Pass NULL for deregistration. + * @param uKey Associated key for cleanup purposes. If pLogger is NULL, + * all instances with this key will be deregistered. So in + * order to only deregister the instance associated with the + * current thread use 0. + */ +RTR0DECL(int) RTLogSetDefaultInstanceThread(PRTLOGGER pLogger, uintptr_t uKey); +#endif /* IN_RING0 */ + +/** + * Creates the default logger instance for IPRT users. + * + * Any user of the logging features will need to implement + * this or use the generic dummy. + * + * @returns Pointer to the logger instance. + */ +RTDECL(PRTLOGGER) RTLogDefaultInit(void); + +/** + * This is the 2nd half of what RTLogGetDefaultInstanceEx() and + * RTLogRelGetDefaultInstanceEx() does. + * + * @returns If the group has the specified flags enabled @a pLogger will be + * returned returned. Otherwise NULL is returned. + * @param pLogger The logger. NULL is NULL. + * @param fFlagsAndGroup The flags in the lower 16 bits, the group number in + * the high 16 bits. + */ +RTDECL(PRTLOGGER) RTLogCheckGroupFlags(PRTLOGGER pLogger, uint32_t fFlagsAndGroup); + +/** + * Create a logger instance. + * + * @returns iprt status code. + * + * @param ppLogger Where to store the logger instance. + * @param fFlags Logger instance flags, a combination of the + * RTLOGFLAGS_* values. + * @param pszGroupSettings The initial group settings. + * @param pszEnvVarBase Base name for the environment variables for + * this instance. + * @param cGroups Number of groups in the array. + * @param papszGroups Pointer to array of groups. This must stick + * around for the life of the logger instance. + * @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed + * if pszFilenameFmt specified. + * @param pszFilenameFmt Log filename format string. Standard + * RTStrFormat(). + * @param ... Format arguments. + */ +RTDECL(int) RTLogCreate(PRTLOGGER *ppLogger, uint64_t fFlags, const char *pszGroupSettings, + const char *pszEnvVarBase, unsigned cGroups, const char * const * papszGroups, + uint32_t fDestFlags, const char *pszFilenameFmt, ...) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(8, 9); + +/** + * Create a logger instance. + * + * @returns iprt status code. + * + * @param ppLogger Where to store the logger instance. + * @param pszEnvVarBase Base name for the environment variables for + * this instance (ring-3 only). + * @param fFlags Logger instance flags, a combination of the + * RTLOGFLAGS_* values. + * @param pszGroupSettings The initial group settings. + * @param cGroups Number of groups in the array. + * @param papszGroups Pointer to array of groups. This must stick + * around for the life of the logger instance. + * @param cMaxEntriesPerGroup The max number of entries per group. UINT32_MAX + * or zero for unlimited. + * @param cBufDescs Number of buffer descriptors that @a paBufDescs + * points to. Zero for defaults. + * @param paBufDescs Buffer descriptors, optional. + * @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed + * if pszFilenameFmt specified. + * @param pfnPhase Callback function for starting logging and for + * ending or starting a new file for log history + * rotation. NULL is OK. + * @param cHistory Number of old log files to keep when performing + * log history rotation. 0 means no history. + * @param cbHistoryFileMax Maximum size of log file when performing + * history rotation. 0 means no size limit. + * @param cSecsHistoryTimeSlot Maximum time interval per log file when + * performing history rotation, in seconds. + * 0 means time limit. + * @param pOutputIf The optional file output interface, can be NULL which will + * make use of the default one. + * @param pvOutputIfUser The opaque user data to pass to the callbacks in the output interface. + * @param pErrInfo Where to return extended error information. + * Optional. + * @param pszFilenameFmt Log filename format string. Standard RTStrFormat(). + * @param ... Format arguments. + */ +RTDECL(int) RTLogCreateEx(PRTLOGGER *ppLogger, const char *pszEnvVarBase, uint64_t fFlags, const char *pszGroupSettings, + unsigned cGroups, const char * const *papszGroups, uint32_t cMaxEntriesPerGroup, + uint32_t cBufDescs, PRTLOGBUFFERDESC paBufDescs, uint32_t fDestFlags, + PFNRTLOGPHASE pfnPhase, uint32_t cHistory, uint64_t cbHistoryFileMax, uint32_t cSecsHistoryTimeSlot, + PCRTLOGOUTPUTIF pOutputIf, void *pvOutputIfUser, + PRTERRINFO pErrInfo, const char *pszFilenameFmt, ...) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(18, 19); + +/** + * Create a logger instance. + * + * @returns iprt status code. + * + * @param ppLogger Where to store the logger instance. + * @param pszEnvVarBase Base name for the environment variables for + * this instance (ring-3 only). + * @param fFlags Logger instance flags, a combination of the + * RTLOGFLAGS_* values. + * @param pszGroupSettings The initial group settings. + * @param cGroups Number of groups in the array. + * @param papszGroups Pointer to array of groups. This must stick + * around for the life of the logger instance. + * @param cMaxEntriesPerGroup The max number of entries per group. UINT32_MAX + * or zero for unlimited. + * @param cBufDescs Number of buffer descriptors that @a paBufDescs + * points to. Zero for defaults. + * @param paBufDescs Buffer descriptors, optional. + * @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed + * if pszFilenameFmt specified. + * @param pfnPhase Callback function for starting logging and for + * ending or starting a new file for log history + * rotation. + * @param cHistory Number of old log files to keep when performing + * log history rotation. 0 means no history. + * @param cbHistoryFileMax Maximum size of log file when performing + * history rotation. 0 means no size limit. + * @param cSecsHistoryTimeSlot Maximum time interval per log file when + * performing history rotation, in seconds. + * 0 means no time limit. + * @param pOutputIf The optional file output interface, can be NULL which will + * make use of the default one. + * @param pvOutputIfUser The opaque user data to pass to the callbacks in the output interface. + * @param pErrInfo Where to return extended error information. + * Optional. + * @param pszFilenameFmt Log filename format string. Standard + * RTStrFormat(). + * @param va Format arguments. + */ +RTDECL(int) RTLogCreateExV(PRTLOGGER *ppLogger, const char *pszEnvVarBase, uint64_t fFlags, const char *pszGroupSettings, + uint32_t cGroups, const char * const *papszGroups, uint32_t cMaxEntriesPerGroup, + uint32_t cBufDescs, PRTLOGBUFFERDESC paBufDescs, uint32_t fDestFlags, + PFNRTLOGPHASE pfnPhase, uint32_t cHistory, uint64_t cbHistoryFileMax, uint32_t cSecsHistoryTimeSlot, + PCRTLOGOUTPUTIF pOutputIf, void *pvOutputIfUser, + PRTERRINFO pErrInfo, const char *pszFilenameFmt, va_list va) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(18, 0); + +/** + * Destroys a logger instance. + * + * The instance is flushed and all output destinations closed (where applicable). + * + * @returns iprt status code. + * @param pLogger The logger instance which close destroyed. NULL is fine. + */ +RTDECL(int) RTLogDestroy(PRTLOGGER pLogger); + +/** + * Sets the custom prefix callback. + * + * @returns IPRT status code. + * @param pLogger The logger instance. + * @param pfnCallback The callback. + * @param pvUser The user argument for the callback. + * */ +RTDECL(int) RTLogSetCustomPrefixCallback(PRTLOGGER pLogger, PFNRTLOGPREFIX pfnCallback, void *pvUser); + +/** + * Sets the custom flush callback. + * + * This can be handy for special loggers like the per-EMT ones in ring-0, + * but also for implementing a log viewer in the debugger GUI. + * + * @returns IPRT status code. + * @retval VWRN_ALREADY_EXISTS if it was set to a different flusher. + * @param pLogger The logger instance. + * @param pfnFlush The flush callback. + */ +RTDECL(int) RTLogSetFlushCallback(PRTLOGGER pLogger, PFNRTLOGFLUSH pfnFlush); + +/** + * Sets the thread name for a thread specific ring-0 logger. + * + * @returns IPRT status code. + * @param pLogger The logger. NULL is not allowed. + * @param pszNameFmt The format string for the thread name. + * @param ... Format arguments. + */ +RTR0DECL(int) RTLogSetR0ThreadNameF(PRTLOGGER pLogger, const char *pszNameFmt, ...) RT_IPRT_FORMAT_ATTR(2, 3); + +/** + * Sets the thread name for a thread specific ring-0 logger. + * + * @returns IPRT status code. + * @param pLogger The logger. NULL is not allowed. + * @param pszNameFmt The format string for the thread name. + * @param va Format arguments. + */ +RTR0DECL(int) RTLogSetR0ThreadNameV(PRTLOGGER pLogger, const char *pszNameFmt, va_list va) RT_IPRT_FORMAT_ATTR(2, 0); + +/** + * Sets the program start time for a thread specific ring-0 logger. + * + * @returns IPRT status code. + * @param pLogger The logger. NULL is not allowed. + * @param nsStart The RTTimeNanoTS() value at program start. + */ +RTR0DECL(int) RTLogSetR0ProgramStart(PRTLOGGER pLogger, uint64_t nsStart); + +/** + * Get the current log group settings as a string. + * + * @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW. + * @param pLogger Logger instance (NULL for default logger). + * @param pszBuf The output buffer. + * @param cchBuf The size of the output buffer. Must be greater than + * zero. + */ +RTDECL(int) RTLogQueryGroupSettings(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf); + +/** + * Updates the group settings for the logger instance using the specified + * specification string. + * + * @returns iprt status code. + * Failures can safely be ignored. + * @param pLogger Logger instance (NULL for default logger). + * @param pszValue Value to parse. + */ +RTDECL(int) RTLogGroupSettings(PRTLOGGER pLogger, const char *pszValue); + +/** + * Sets the max number of entries per group. + * + * @returns Old restriction. + * + * @param pLogger The logger instance (NULL is an alias for the + * default logger). + * @param cMaxEntriesPerGroup The max number of entries per group. + * + * @remarks Lowering the limit of an active logger may quietly mute groups. + * Raising it may reactive already muted groups. + */ +RTDECL(uint32_t) RTLogSetGroupLimit(PRTLOGGER pLogger, uint32_t cMaxEntriesPerGroup); + +/** + * Gets the current flag settings for the given logger. + * + * @returns Logger flags, UINT64_MAX if no logger. + * @param pLogger Logger instance (NULL for default logger). + */ +RTDECL(uint64_t) RTLogGetFlags(PRTLOGGER pLogger); + +/** + * Modifies the flag settings for the given logger. + * + * @returns IPRT status code. Returns VINF_LOG_NO_LOGGER if no default logger + * and @a pLogger is NULL. + * @param pLogger Logger instance (NULL for default logger). + * @param fSet Mask of flags to set (OR). + * @param fClear Mask of flags to clear (NAND). This is allowed to + * include invalid flags - e.g. UINT64_MAX is okay. + */ +RTDECL(int) RTLogChangeFlags(PRTLOGGER pLogger, uint64_t fSet, uint64_t fClear); + +/** + * Updates the flags for the logger instance using the specified + * specification string. + * + * @returns iprt status code. + * Failures can safely be ignored. + * @param pLogger Logger instance (NULL for default logger). + * @param pszValue Value to parse. + */ +RTDECL(int) RTLogFlags(PRTLOGGER pLogger, const char *pszValue); + +/** + * Changes the buffering setting of the specified logger. + * + * This can be used for optimizing longish logging sequences. + * + * @returns The old state. + * @param pLogger The logger instance (NULL is an alias for the default + * logger). + * @param fBuffered The new state. + */ +RTDECL(bool) RTLogSetBuffering(PRTLOGGER pLogger, bool fBuffered); + +/** + * Get the current log flags as a string. + * + * @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW. + * @param pLogger Logger instance (NULL for default logger). + * @param pszBuf The output buffer. + * @param cchBuf The size of the output buffer. Must be greater than + * zero. + */ +RTDECL(int) RTLogQueryFlags(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf); + +/** + * Gets the current destinations flags for the given logger. + * + * @returns Logger destination flags, UINT32_MAX if no logger. + * @param pLogger Logger instance (NULL for default logger). + */ +RTDECL(uint32_t) RTLogGetDestinations(PRTLOGGER pLogger); + +/** + * Modifies the log destinations settings for the given logger. + * + * This is only suitable for simple destination settings that doesn't take + * additional arguments, like RTLOGDEST_FILE. + * + * @returns IPRT status code. Returns VINF_LOG_NO_LOGGER if no default logger + * and @a pLogger is NULL. + * @param pLogger Logger instance (NULL for default logger). + * @param fSet Mask of destinations to set (OR). + * @param fClear Mask of destinations to clear (NAND). + */ +RTDECL(int) RTLogChangeDestinations(PRTLOGGER pLogger, uint32_t fSet, uint32_t fClear); + +/** + * Updates the logger destination using the specified string. + * + * @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW. + * @param pLogger Logger instance (NULL for default logger). + * @param pszValue The value to parse. + */ +RTDECL(int) RTLogDestinations(PRTLOGGER pLogger, char const *pszValue); + +/** + * Clear the file delay flag if set, opening the destination and flushing. + * + * @returns IPRT status code. + * @param pLogger Logger instance (NULL for default logger). + * @param pErrInfo Where to return extended error info. Optional. + */ +RTDECL(int) RTLogClearFileDelayFlag(PRTLOGGER pLogger, PRTERRINFO pErrInfo); + +/** + * Get the current log destinations as a string. + * + * @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW. + * @param pLogger Logger instance (NULL for default logger). + * @param pszBuf The output buffer. + * @param cchBuf The size of the output buffer. Must be greater than 0. + */ +RTDECL(int) RTLogQueryDestinations(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf); + +/** + * Performs a bulk update of logger flags and group flags. + * + * This is for instanced used for copying settings from ring-3 to ring-0 + * loggers. + * + * @returns IPRT status code. + * @param pLogger The logger instance (NULL for default logger). + * @param fFlags The new logger flags. + * @param uGroupCrc32 The CRC32 of the group name strings. + * @param cGroups Number of groups. + * @param pafGroups Array of group flags. + * @sa RTLogQueryBulk + */ +RTDECL(int) RTLogBulkUpdate(PRTLOGGER pLogger, uint64_t fFlags, uint32_t uGroupCrc32, uint32_t cGroups, uint32_t const *pafGroups); + +/** + * Queries data for a bulk update of logger flags and group flags. + * + * This is for instanced used for copying settings from ring-3 to ring-0 + * loggers. + * + * @returns IPRT status code. + * @retval VERR_BUFFER_OVERFLOW if pafGroups is too small, @a pcGroups will be + * set to the actual number of groups. + * @param pLogger The logger instance (NULL for default logger). + * @param pfFlags Where to return the logger flags. + * @param puGroupCrc32 Where to return the CRC32 of the group names. + * @param pcGroups Input: Size of the @a pafGroups allocation. + * Output: Actual number of groups returned. + * @param pafGroups Where to return the flags for each group. + * @sa RTLogBulkUpdate + */ +RTDECL(int) RTLogQueryBulk(PRTLOGGER pLogger, uint64_t *pfFlags, uint32_t *puGroupCrc32, uint32_t *pcGroups, uint32_t *pafGroups); + +/** + * Write/copy bulk log data from another logger. + * + * This is used for transferring stuff from the ring-0 loggers and into the + * ring-3 one. The text goes in as-is w/o any processing (i.e. prefixing or + * newline fun). + * + * @returns IRPT status code. + * @param pLogger The logger instance (NULL for default logger). + * @param pszBefore Text to log before the bulk text. Optional. + * @param pch Pointer to the block of bulk log text to write. + * @param cch Size of the block of bulk log text to write. + * @param pszAfter Text to log after the bulk text. Optional. + */ +RTDECL(int) RTLogBulkWrite(PRTLOGGER pLogger, const char *pszBefore, const char *pch, size_t cch, const char *pszAfter); + +/** + * Write/copy bulk log data from a nested VM logger. + * + * This is used for + * + * @returns IRPT status code. + * @param pLogger The logger instance (NULL for default logger). + * @param pch Pointer to the block of bulk log text to write. + * @param cch Size of the block of bulk log text to write. + * @param pszInfix String to put after the line prefixes and the + * line content. + */ +RTDECL(int) RTLogBulkNestedWrite(PRTLOGGER pLogger, const char *pch, size_t cch, const char *pszInfix); + +/** + * Flushes the specified logger. + * + * @returns IRPT status code. + * @param pLogger The logger instance to flush. + * If NULL the default instance is used. The default instance + * will not be initialized by this call. + */ +RTDECL(int) RTLogFlush(PRTLOGGER pLogger); + +/** + * Write to a logger instance. + * + * @param pLogger Pointer to logger instance. + * @param pvCallerRet Ignored. + * @param pszFormat Format string. + * @param ... Format arguments. + */ +RTDECL(void) RTLogLogger(PRTLOGGER pLogger, void *pvCallerRet, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4); + +/** + * Write to a logger instance, weak version. + * + * @param pLogger Pointer to logger instance. + * @param pvCallerRet Ignored. + * @param pszFormat Format string. + * @param ... Format arguments. + */ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) +RTDECL(void) RTLogLoggerWeak(PRTLOGGER pLogger, void *pvCallerRet, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4); +#else /* Cannot use a DECL_FORCE_INLINE because older GCC versions doesn't support inlining va_start. */ +# undef RTLogLoggerWeak /* in case of mangling */ +# define RTLogLoggerWeak RTLogLogger +#endif + +/** + * Write to a logger instance. + * + * @param pLogger Pointer to logger instance. + * @param pszFormat Format string. + * @param args Format arguments. + */ +RTDECL(void) RTLogLoggerV(PRTLOGGER pLogger, const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(2, 0); + +/** + * Write to a logger instance. + * + * This function will check whether the instance, group and flags makes up a + * logging kind which is currently enabled before writing anything to the log. + * + * @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted. + * @param fFlags The logging flags. + * @param iGroup The group. + * The value ~0U is reserved for compatibility with RTLogLogger[V] and is + * only for internal usage! + * @param pszFormat Format string. + * @param ... Format arguments. + * @remark This is a worker function of LogIt. + */ +RTDECL(void) RTLogLoggerEx(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5); + +/** + * Write to a logger instance, weak version. + * + * This function will check whether the instance, group and flags makes up a + * logging kind which is currently enabled before writing anything to the log. + * + * @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted. + * @param fFlags The logging flags. + * @param iGroup The group. + * The value ~0U is reserved for compatibility with RTLogLogger[V] and is + * only for internal usage! + * @param pszFormat Format string. + * @param ... Format arguments. + * @remark This is a worker function of LogIt. + */ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) +RTDECL(void) RTLogLoggerExWeak(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5); +#else /* Cannot use a DECL_FORCE_INLINE because older GCC versions doesn't support inlining va_start. */ +# undef RTLogLoggerExWeak /* in case of mangling */ +# define RTLogLoggerExWeak RTLogLoggerEx +#endif + +/** + * Write to a logger instance. + * + * This function will check whether the instance, group and flags makes up a + * logging kind which is currently enabled before writing anything to the log. + * + * @returns VINF_SUCCESS, VINF_LOG_NO_LOGGER, VINF_LOG_DISABLED, or IPRT error + * status. + * @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted. + * @param fFlags The logging flags. + * @param iGroup The group. + * The value ~0U is reserved for compatibility with RTLogLogger[V] and is + * only for internal usage! + * @param pszFormat Format string. + * @param args Format arguments. + */ +RTDECL(int) RTLogLoggerExV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(4, 0); + +/** @copydoc RTLogLoggerExV */ +typedef DECLCALLBACKTYPE(int, FNRTLOGLOGGEREXV,(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, va_list args)) RT_IPRT_FORMAT_ATTR(4, 0); +/** Pointer to RTLogLoggerExV. */ +typedef FNRTLOGLOGGEREXV *PFNRTLOGLOGGEREXV; +/** "Weak symbol" emulation for RTLogLoggerExV. + * @note This is first set when RTLogCreateEx or RTLogCreate is called. */ +extern RTDATADECL(PFNRTLOGLOGGEREXV) g_pfnRTLogLoggerExV; + +/** "Weak symbol" wrapper for RTLogLoggerExV. */ +DECL_FORCE_INLINE(int) RTLogLoggerExVWeak(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, + const char *pszFormat, va_list args) /* RT_IPRT_FORMAT_ATTR(4, 0) */ +{ +#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT)) + if (g_pfnRTLogLoggerExV) + return g_pfnRTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args); + return 22301; /* VINF_LOG_DISABLED, don't want err.h dependency here. */ +#else + return RTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args); +#endif +} + +/** + * printf like function for writing to the default log. + * + * @param pszFormat Printf like format string. + * @param ... Optional arguments as specified in pszFormat. + * + * @remark The API doesn't support formatting of floating point numbers at the moment. + */ +RTDECL(void) RTLogPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2); + +/** + * vprintf like function for writing to the default log. + * + * @param pszFormat Printf like format string. + * @param va Optional arguments as specified in pszFormat. + * + * @remark The API doesn't support formatting of floating point numbers at the moment. + */ +RTDECL(void) RTLogPrintfV(const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(1, 0); + +/** + * Dumper vprintf-like function outputting to a logger. + * + * @param pvUser Pointer to the logger instance to use, NULL for default + * instance. + * @param pszFormat Format string. + * @param va Format arguments. + */ +RTDECL(void) RTLogDumpPrintfV(void *pvUser, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(2, 0); + +/** + * Used for logging assertions, debug and release log as appropriate. + * + * Implies flushing. + * + * @param pszFormat Format string. + * @param ... Format arguments. + */ +typedef DECLCALLBACKTYPE(void, FNRTLOGASSERTION,(const char *pszFormat, ...)) RT_IPRT_FORMAT_ATTR(1, 2); +/** Pointer to an assertion logger, ellipsis variant. */ +typedef FNRTLOGASSERTION *PFNRTLOGASSERTION; + +/** + * Used for logging assertions, debug and release log as appropriate. + * + * Implies flushing. + * + * @param pszFormat Format string. + * @param va Format arguments. + */ +typedef DECLCALLBACKTYPE(void, FNRTLOGASSERTIONV,(const char *pszFormat, va_list va)) RT_IPRT_FORMAT_ATTR(1, 0); +/** Pointer to an assertion logger, va_list variant. */ +typedef FNRTLOGASSERTIONV *PFNRTLOGASSERTIONV; + +/** @copydoc FNRTLOGASSERTION */ +RTDECL(void) RTLogAssert(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2); +/** @copydoc FNRTLOGASSERTIONV */ +RTDECL(void) RTLogAssertV(const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(1, 0); + +/** "Weak symbol" emulation for RTLogAssert. */ +extern RTDATADECL(PFNRTLOGASSERTION) g_pfnRTLogAssert; +/** "Weak symbol" emulation for RTLogAssertV. */ +extern RTDATADECL(PFNRTLOGASSERTIONV) g_pfnRTLogAssertV; + + +#ifndef DECLARED_FNRTSTROUTPUT /* duplicated in iprt/string.h & iprt/errcore.h */ +#define DECLARED_FNRTSTROUTPUT +/** + * Output callback. + * + * @returns number of bytes written. + * @param pvArg User argument. + * @param pachChars Pointer to an array of utf-8 characters. + * @param cbChars Number of bytes in the character array pointed to by pachChars. + */ +typedef DECLCALLBACKTYPE(size_t, FNRTSTROUTPUT,(void *pvArg, const char *pachChars, size_t cbChars)); +/** Pointer to callback function. */ +typedef FNRTSTROUTPUT *PFNRTSTROUTPUT; +#endif + +/** + * Partial vsprintf worker implementation. + * + * @returns number of bytes formatted. + * @param pfnOutput Output worker. + * Called in two ways. Normally with a string an it's length. + * For termination, it's called with NULL for string, 0 for length. + * @param pvArg Argument to output worker. + * @param pszFormat Format string. + * @param args Argument list. + */ +RTDECL(size_t) RTLogFormatV(PFNRTSTROUTPUT pfnOutput, void *pvArg, const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(3, 0); + +/** + * Write log buffer to COM port. + * + * @param pach Pointer to the buffer to write. + * @param cb Number of bytes to write. + */ +RTDECL(void) RTLogWriteCom(const char *pach, size_t cb); + +/** + * Prints a formatted string to the serial port used for logging. + * + * @returns Number of bytes written. + * @param pszFormat Format string. + * @param ... Optional arguments specified in the format string. + */ +RTDECL(size_t) RTLogComPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2); + +/** + * Prints a formatted string to the serial port used for logging. + * + * @returns Number of bytes written. + * @param pszFormat Format string. + * @param args Optional arguments specified in the format string. + */ +RTDECL(size_t) RTLogComPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0); + +/** + * Write log buffer to a debugger (RTLOGDEST_DEBUGGER). + * + * @param pach What to write. + * @param cb How much to write. + * @remark When linking statically, this function can be replaced by defining your own. + */ +RTDECL(void) RTLogWriteDebugger(const char *pach, size_t cb); + +/** + * Write log buffer to a user defined output stream (RTLOGDEST_USER). + * + * @param pach What to write. + * @param cb How much to write. + * @remark When linking statically, this function can be replaced by defining your own. + */ +RTDECL(void) RTLogWriteUser(const char *pach, size_t cb); + +/** + * Write log buffer to a parent VMM (hypervisor). + * + * @param pach What to write. + * @param cb How much to write. + * @param fRelease Set if targeting the release log, clear if debug log. + * + * @note Currently only available on AMD64 and x86. + */ +RTDECL(void) RTLogWriteVmm(const char *pach, size_t cb, bool fRelease); + +/** + * Write log buffer to stdout (RTLOGDEST_STDOUT). + * + * @param pach What to write. + * @param cb How much to write. + * @remark When linking statically, this function can be replaced by defining your own. + */ +RTDECL(void) RTLogWriteStdOut(const char *pach, size_t cb); + +/** + * Write log buffer to stdout (RTLOGDEST_STDERR). + * + * @param pach What to write. + * @param cb How much to write. + * @remark When linking statically, this function can be replaced by defining your own. + */ +RTDECL(void) RTLogWriteStdErr(const char *pach, size_t cb); + +#ifdef VBOX + +/** + * Prints a formatted string to the backdoor port. + * + * @returns Number of bytes written. + * @param pszFormat Format string. + * @param ... Optional arguments specified in the format string. + */ +RTDECL(size_t) RTLogBackdoorPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2); + +/** + * Prints a formatted string to the backdoor port. + * + * @returns Number of bytes written. + * @param pszFormat Format string. + * @param args Optional arguments specified in the format string. + */ +RTDECL(size_t) RTLogBackdoorPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0); + +#endif /* VBOX */ + +RT_C_DECLS_END + +/** @} */ + +#endif /* !IPRT_INCLUDED_log_h */ + |