1 // Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
2 // This source code is licensed under both the GPLv2 (found in the
3 // COPYING file in the root directory) and Apache 2.0 License
4 // (found in the LICENSE.Apache file in the root directory).
5 //
6 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
7 // Use of this source code is governed by a BSD-style license that can be
8 // found in the LICENSE file. See the AUTHORS file for names of contributors.
9 //
10 // Must not be included from any .h files to avoid polluting the namespace
11 // with macros.
12
13 #pragma once
14
15 // Helper macros that include information about file name and line number
16 #define ROCKS_LOG_STRINGIFY(x) #x
17 #define ROCKS_LOG_TOSTRING(x) ROCKS_LOG_STRINGIFY(x)
18 #define ROCKS_LOG_PREPEND_FILE_LINE(FMT) ("[%s:" ROCKS_LOG_TOSTRING(__LINE__) "] " FMT)
19
RocksLogShorterFileName(const char * file)20 inline const char* RocksLogShorterFileName(const char* file)
21 {
22 // 18 is the length of "logging/logging.h".
23 // If the name of this file changed, please change this number, too.
24 return file + (sizeof(__FILE__) > 18 ? sizeof(__FILE__) - 18 : 0);
25 }
26
27 // Don't inclide file/line info in HEADER level
28 #define ROCKS_LOG_HEADER(LGR, FMT, ...) \
29 ROCKSDB_NAMESPACE::Log(InfoLogLevel::HEADER_LEVEL, LGR, FMT, ##__VA_ARGS__)
30
31 #define ROCKS_LOG_DEBUG(LGR, FMT, ...) \
32 ROCKSDB_NAMESPACE::Log(InfoLogLevel::DEBUG_LEVEL, LGR, \
33 ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
34 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
35
36 #define ROCKS_LOG_INFO(LGR, FMT, ...) \
37 ROCKSDB_NAMESPACE::Log(InfoLogLevel::INFO_LEVEL, LGR, \
38 ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
39 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
40
41 #define ROCKS_LOG_WARN(LGR, FMT, ...) \
42 ROCKSDB_NAMESPACE::Log(InfoLogLevel::WARN_LEVEL, LGR, \
43 ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
44 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
45
46 #define ROCKS_LOG_ERROR(LGR, FMT, ...) \
47 ROCKSDB_NAMESPACE::Log(InfoLogLevel::ERROR_LEVEL, LGR, \
48 ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
49 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
50
51 #define ROCKS_LOG_FATAL(LGR, FMT, ...) \
52 ROCKSDB_NAMESPACE::Log(InfoLogLevel::FATAL_LEVEL, LGR, \
53 ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
54 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
55
56 #define ROCKS_LOG_BUFFER(LOG_BUF, FMT, ...) \
57 ROCKSDB_NAMESPACE::LogToBuffer(LOG_BUF, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
58 RocksLogShorterFileName(__FILE__), \
59 ##__VA_ARGS__)
60
61 #define ROCKS_LOG_BUFFER_MAX_SZ(LOG_BUF, MAX_LOG_SIZE, FMT, ...) \
62 ROCKSDB_NAMESPACE::LogToBuffer( \
63 LOG_BUF, MAX_LOG_SIZE, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
64 RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
65
66 #define ROCKS_LOG_DETAILS(LGR, FMT, ...) \
67 ; // due to overhead by default skip such lines
68 // ROCKS_LOG_DEBUG(LGR, FMT, ##__VA_ARGS__)
69