| /* |
| * Copyright (c) 2017, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * This file define logging interface. |
| */ |
| #ifndef OTBR_COMMON_LOGGING_HPP_ |
| #define OTBR_COMMON_LOGGING_HPP_ |
| |
| #include "openthread-br/config.h" |
| |
| #include <stdarg.h> |
| #include <stddef.h> |
| |
| #ifndef OTBR_LOG_TAG |
| #error "OTBR_LOG_TAG is not defined" |
| #endif |
| |
| #include "common/types.hpp" |
| |
| /** |
| * Logging level. |
| * |
| */ |
| typedef enum |
| { |
| OTBR_LOG_EMERG, ///< System is unusable |
| OTBR_LOG_ALERT, ///< Action must be taken immediately |
| OTBR_LOG_CRIT, ///< Critical conditions |
| OTBR_LOG_ERR, ///< Error conditions |
| OTBR_LOG_WARNING, ///< Warning conditions |
| OTBR_LOG_NOTICE, ///< Normal but significant condition |
| OTBR_LOG_INFO, ///< Informational |
| OTBR_LOG_DEBUG, ///< Debug level messages |
| } otbrLogLevel; |
| |
| /** |
| * Get current log level. |
| */ |
| otbrLogLevel otbrLogGetLevel(void); |
| |
| /** |
| * Control log to syslog. |
| * |
| * @param[in] enable True to log to/via syslog. |
| * |
| */ |
| void otbrLogEnableSyslog(bool aEnabled); |
| |
| /** |
| * This function initialize the logging service. |
| * |
| * @param[in] aIdent Identity of the logger. |
| * @param[in] aLevel Log level of the logger. |
| * @param[in] aPrintStderr Whether to log to stderr. |
| * |
| */ |
| void otbrLogInit(const char *aIdent, otbrLogLevel aLevel, bool aPrintStderr); |
| |
| /** |
| * This function log at level @p aLevel. |
| * |
| * @param[in] aLevel Log level of the logger. |
| * @param[in] aLogTag Log tag. |
| * @param[in] aFormat Format string as in printf. |
| * |
| */ |
| void otbrLog(otbrLogLevel aLevel, const char *aLogTag, const char *aFormat, ...); |
| |
| /** |
| * This function log at level @p aLevel. |
| * |
| * @param[in] aLevel Log level of the logger. |
| * @param[in] aFormat Format string as in printf. |
| * @param[in] aArgList The variable-length arguments list. |
| * |
| */ |
| void otbrLogv(otbrLogLevel aLevel, const char *aFormat, va_list aArgList); |
| |
| /** |
| * This function writes logs without filtering with the log level. |
| * |
| * @param[in] aLevel Log level of the logger. |
| * @param[in] aFormat Format string as in printf. |
| * @param[in] aArgList The variable-length arguments list. |
| * |
| */ |
| void otbrLogvNoFilter(otbrLogLevel aLevel, const char *aFormat, va_list aArgList); |
| |
| /** |
| * This function dump memory as hex string at level @p aLevel. |
| * |
| * @param[in] aLevel Log level of the logger. |
| * @param[in] aLogTag Log tag. |
| * @param[in] aPrefix String before dumping memory. |
| * @param[in] aMemory The pointer to the memory to be dumped. |
| * @param[in] aSize The size of memory in bytes to be dumped. |
| * |
| */ |
| void otbrDump(otbrLogLevel aLevel, const char *aLogTag, const char *aPrefix, const void *aMemory, size_t aSize); |
| |
| /** |
| * This function converts error code to string. |
| * |
| * @param[in] aError The error code. |
| * |
| * @returns The string information of error. |
| * |
| */ |
| const char *otbrErrorString(otbrError aError); |
| |
| /** |
| * This function deinitializes the logging service. |
| * |
| */ |
| void otbrLogDeinit(void); |
| |
| /** |
| * This macro log an action result according to @p aError. |
| * |
| * If @p aError is OTBR_ERROR_NONE, the log level will be OTBR_LOG_INFO, |
| * otherwise OTBR_LOG_WARNING. |
| * |
| * @param[in] aError The action result. |
| * @param[in] aFormat Format string as in printf. |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| #define otbrLogResult(aError, aFormat, ...) \ |
| do \ |
| { \ |
| otbrError _err = (aError); \ |
| otbrLog(_err == OTBR_ERROR_NONE ? OTBR_LOG_INFO : OTBR_LOG_WARNING, OTBR_LOG_TAG, aFormat ": %s", \ |
| ##__VA_ARGS__, otbrErrorString(_err)); \ |
| } while (0) |
| |
| /** |
| * @def otbrLogEmerg |
| * |
| * Log at level emergency. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogAlert |
| * |
| * Log at level alert. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogCrit |
| * |
| * Log at level critical. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogErr |
| * |
| * Log at level error. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogWarning |
| * |
| * Log at level warning. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogNotice |
| * |
| * Log at level notice. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogInfo |
| * |
| * Log at level information. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| |
| /** |
| * @def otbrLogDebug |
| * |
| * Log at level debug. |
| * |
| * @param[in] ... Arguments for the format specification. |
| * |
| */ |
| #define otbrLogEmerg(...) otbrLog(OTBR_LOG_EMERG, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogAlert(...) otbrLog(OTBR_LOG_ALERT, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogCrit(...) otbrLog(OTBR_LOG_CRIT, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogErr(...) otbrLog(OTBR_LOG_ERR, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogWarning(...) otbrLog(OTBR_LOG_WARNING, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogNotice(...) otbrLog(OTBR_LOG_NOTICE, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogInfo(...) otbrLog(OTBR_LOG_INFO, OTBR_LOG_TAG, __VA_ARGS__) |
| #define otbrLogDebug(...) otbrLog(OTBR_LOG_DEBUG, OTBR_LOG_TAG, __VA_ARGS__) |
| |
| #endif // OTBR_COMMON_LOGGING_HPP_ |