1/*
2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24#ifndef SHARE_LOGGING_LOGFILESTREAMOUTPUT_HPP
25#define SHARE_LOGGING_LOGFILESTREAMOUTPUT_HPP
26
27#include "logging/logDecorators.hpp"
28#include "logging/logOutput.hpp"
29#include "utilities/globalDefinitions.hpp"
30
31class LogDecorations;
32
33class LogFileStreamInitializer {
34 public:
35 LogFileStreamInitializer();
36};
37
38// Ensure the default log streams have been initialized (stdout, stderr) using the static initializer below
39static LogFileStreamInitializer log_stream_initializer;
40
41// Base class for all FileStream-based log outputs.
42class LogFileStreamOutput : public LogOutput {
43 protected:
44 FILE* _stream;
45 size_t _decorator_padding[LogDecorators::Count];
46
47 LogFileStreamOutput(FILE *stream) : _stream(stream) {
48 for (size_t i = 0; i < LogDecorators::Count; i++) {
49 _decorator_padding[i] = 0;
50 }
51 }
52
53 int write_decorations(const LogDecorations& decorations);
54
55 public:
56 virtual int write(const LogDecorations& decorations, const char* msg);
57 virtual int write(LogMessageBuffer::Iterator msg_iterator);
58};
59
60class LogStdoutOutput : public LogFileStreamOutput {
61 friend class LogFileStreamInitializer;
62 private:
63 LogStdoutOutput() : LogFileStreamOutput(stdout) {
64 set_config_string("all=warning");
65 }
66 virtual bool initialize(const char* options, outputStream* errstream) {
67 return false;
68 }
69 public:
70 virtual const char* name() const {
71 return "stdout";
72 }
73};
74
75class LogStderrOutput : public LogFileStreamOutput {
76 friend class LogFileStreamInitializer;
77 private:
78 LogStderrOutput() : LogFileStreamOutput(stderr) {
79 set_config_string("all=off");
80 }
81 virtual bool initialize(const char* options, outputStream* errstream) {
82 return false;
83 }
84 public:
85 virtual const char* name() const {
86 return "stderr";
87 }
88};
89
90extern LogStderrOutput &StderrLog;
91extern LogStdoutOutput &StdoutLog;
92
93#endif // SHARE_LOGGING_LOGFILESTREAMOUTPUT_HPP
94