1/*
2 * Copyright (c) 2015, 2017, 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#include "precompiled.hpp"
25#include "jvm.h"
26#include "logging/logConfiguration.hpp"
27#include "logging/logDecorations.hpp"
28#include "runtime/os.inline.hpp"
29#include "runtime/thread.inline.hpp"
30#include "services/management.hpp"
31
32jlong LogDecorations::_vm_start_time_millis = 0;
33const char* LogDecorations::_host_name = "";
34
35LogDecorations::LogDecorations(LogLevelType level, const LogTagSet &tagset, const LogDecorators &decorators)
36 : _level(level), _tagset(tagset), _millis(-1) {
37 create_decorations(decorators);
38}
39
40void LogDecorations::initialize(jlong vm_start_time) {
41 char buffer[1024];
42 if (os::get_host_name(buffer, sizeof(buffer))){
43 _host_name = os::strdup_check_oom(buffer);
44 }
45 _vm_start_time_millis = vm_start_time;
46}
47
48void LogDecorations::create_decorations(const LogDecorators &decorators) {
49 char* position = _decorations_buffer;
50 #define DECORATOR(full_name, abbr) \
51 if (decorators.is_decorator(LogDecorators::full_name##_decorator)) { \
52 _decoration_offset[LogDecorators::full_name##_decorator] = position; \
53 position = create_##full_name##_decoration(position) + 1; \
54 }
55 DECORATOR_LIST
56#undef DECORATOR
57}
58
59jlong LogDecorations::java_millis() {
60 if (_millis < 0) {
61 _millis = os::javaTimeMillis();
62 }
63 return _millis;
64}
65
66#define ASSERT_AND_RETURN(written, pos) \
67 assert(written >= 0, "Decorations buffer overflow"); \
68 return pos + written;
69
70char* LogDecorations::create_time_decoration(char* pos) {
71 char* buf = os::iso8601_time(pos, 29);
72 int written = buf == NULL ? -1 : 29;
73 ASSERT_AND_RETURN(written, pos)
74}
75
76char* LogDecorations::create_utctime_decoration(char* pos) {
77 char* buf = os::iso8601_time(pos, 29, true);
78 int written = buf == NULL ? -1 : 29;
79 ASSERT_AND_RETURN(written, pos)
80}
81
82char * LogDecorations::create_uptime_decoration(char* pos) {
83 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%.3fs", os::elapsedTime());
84 ASSERT_AND_RETURN(written, pos)
85}
86
87char * LogDecorations::create_timemillis_decoration(char* pos) {
88 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ms", java_millis());
89 ASSERT_AND_RETURN(written, pos)
90}
91
92char * LogDecorations::create_uptimemillis_decoration(char* pos) {
93 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer),
94 INT64_FORMAT "ms", java_millis() - _vm_start_time_millis);
95 ASSERT_AND_RETURN(written, pos)
96}
97
98char * LogDecorations::create_timenanos_decoration(char* pos) {
99 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ns", os::javaTimeNanos());
100 ASSERT_AND_RETURN(written, pos)
101}
102
103char * LogDecorations::create_uptimenanos_decoration(char* pos) {
104 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ns", os::elapsed_counter());
105 ASSERT_AND_RETURN(written, pos)
106}
107
108char * LogDecorations::create_pid_decoration(char* pos) {
109 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%d", os::current_process_id());
110 ASSERT_AND_RETURN(written, pos)
111}
112
113char * LogDecorations::create_tid_decoration(char* pos) {
114 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer),
115 INTX_FORMAT, os::current_thread_id());
116 ASSERT_AND_RETURN(written, pos)
117}
118
119char* LogDecorations::create_level_decoration(char* pos) {
120 // Avoid generating the level decoration because it may change.
121 // The decoration() method has a special case for level decorations.
122 return pos;
123}
124
125char* LogDecorations::create_tags_decoration(char* pos) {
126 int written = _tagset.label(pos, DecorationsBufferSize - (pos - _decorations_buffer));
127 ASSERT_AND_RETURN(written, pos)
128}
129
130char* LogDecorations::create_hostname_decoration(char* pos) {
131 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%s", _host_name);
132 ASSERT_AND_RETURN(written, pos)
133}
134
135