rocksdb/logging/logging.h

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
//
// Must not be included from any .h files to avoid polluting the namespace
// with macros.
#pragma once
// Helper macros that include information about file name and line number
#define ROCKS_LOG_STRINGIFY(x) #x
#define ROCKS_LOG_TOSTRING(x) ROCKS_LOG_STRINGIFY(x)
#define ROCKS_LOG_PREPEND_FILE_LINE(FMT) ("[%s:" ROCKS_LOG_TOSTRING(__LINE__) "] " FMT)
inline const char* RocksLogShorterFileName(const char* file)
{
// 15 is the length of "logging/logging.h".
// If the name of this file changed, please change this number, too.
return file + (sizeof(__FILE__) > 15 ? sizeof(__FILE__) - 15 : 0);
}
// Don't inclide file/line info in HEADER level
#define ROCKS_LOG_HEADER(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::HEADER_LEVEL, LGR, FMT, ##__VA_ARGS__)
#define ROCKS_LOG_DEBUG(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::DEBUG_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_INFO(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::INFO_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_WARN(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::WARN_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_ERROR(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::ERROR_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_FATAL(LGR, FMT, ...) \
rocksdb::Log(InfoLogLevel::FATAL_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_BUFFER(LOG_BUF, FMT, ...) \
rocksdb::LogToBuffer(LOG_BUF, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_BUFFER_MAX_SZ(LOG_BUF, MAX_LOG_SIZE, FMT, ...) \
rocksdb::LogToBuffer(LOG_BUF, MAX_LOG_SIZE, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_DETAILS(LGR, FMT, ...) \
; // due to overhead by default skip such lines
// ROCKS_LOG_DEBUG(LGR, FMT, ##__VA_ARGS__)