1/********************************************************************
2 * Copyright (c) 2013 - 2014, Pivotal Inc.
3 * All rights reserved.
4 *
5 * Author: Zhanwei Wang
6 ********************************************************************/
7/********************************************************************
8 * 2014 -
9 * open source under Apache License Version 2.0
10 ********************************************************************/
11/**
12 * Licensed to the Apache Software Foundation (ASF) under one
13 * or more contributor license agreements. See the NOTICE file
14 * distributed with this work for additional information
15 * regarding copyright ownership. The ASF licenses this file
16 * to you under the Apache License, Version 2.0 (the
17 * "License"); you may not use this file except in compliance
18 * with the License. You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS,
24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 */
28#ifndef _HDFS_LIBHDFS3_COMMON_LOGGER_H_
29#define _HDFS_LIBHDFS3_COMMON_LOGGER_H_
30
31#define DEFAULT_LOG_LEVEL INFO
32
33namespace Hdfs {
34namespace Internal {
35
36extern const char * SeverityName[7];
37
38enum LogSeverity {
39 FATAL, LOG_ERROR, WARNING, INFO, DEBUG1, DEBUG2, DEBUG3
40};
41
42class Logger;
43
44class Logger {
45public:
46 Logger();
47
48 ~Logger();
49
50 void setOutputFd(int f);
51
52 void setLogSeverity(LogSeverity l);
53
54 void printf(LogSeverity s, const char * fmt, ...) __attribute__((format(printf, 3, 4)));
55
56private:
57 int fd;
58 LogSeverity severity;
59};
60
61extern Logger RootLogger;
62
63}
64}
65
66#define LOG(s, fmt, ...) \
67 Hdfs::Internal::RootLogger.printf(s, fmt, ##__VA_ARGS__)
68
69#endif /* _HDFS_LIBHDFS3_COMMON_LOGGER_H_ */
70