rocksdb/logging/logging.h
Yi Wu 83fc90b3df Fix info log source file display length (#5824)
Summary:
Source code path in info log is not truncated to the correct length. Fixing it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5824

Test Plan:
Build and run db_bench. Before:
```
2019/09/18-21:32:34.631181 7fdd42df6700 [_impl/db_impl_write.cc:1654] [default] New memtable created with log file: https://github.com/facebook/rocksdb/issues/9. Immutable memtables: 0.
```
After:
```
2019/09/18-21:36:09.226532 7f141b5f6700 [/db_impl/db_impl_write.cc:1654] [default] New memtable created with log file: https://github.com/facebook/rocksdb/issues/9. Immutable memtables: 0.
```

Reviewed By: cheng-chang

Differential Revision: D17511851

fbshipit-source-id: b2f92c85ce78726c27b7e0e736657fe2f983513e
2020-04-08 20:18:08 -07:00

69 lines
3.2 KiB
C

// 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)
{
// 18 is the length of "logging/logging.h".
// If the name of this file changed, please change this number, too.
return file + (sizeof(__FILE__) > 18 ? sizeof(__FILE__) - 18 : 0);
}
// Don't inclide file/line info in HEADER level
#define ROCKS_LOG_HEADER(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::HEADER_LEVEL, LGR, FMT, ##__VA_ARGS__)
#define ROCKS_LOG_DEBUG(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::DEBUG_LEVEL, LGR, \
ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_INFO(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::INFO_LEVEL, LGR, \
ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_WARN(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::WARN_LEVEL, LGR, \
ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_ERROR(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::ERROR_LEVEL, LGR, \
ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_FATAL(LGR, FMT, ...) \
ROCKSDB_NAMESPACE::Log(InfoLogLevel::FATAL_LEVEL, LGR, \
ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
#define ROCKS_LOG_BUFFER(LOG_BUF, FMT, ...) \
ROCKSDB_NAMESPACE::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_NAMESPACE::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__)