1 /* 2 * Copyright (c) 2015, 2016, 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 "logging/logConfiguration.hpp" 26 #include "logging/logDecorations.hpp" 27 #include "runtime/os.inline.hpp" 28 #include "runtime/thread.inline.hpp" 29 #include "services/management.hpp" 30 31 jlong LogDecorations::_vm_start_time_millis = 0; 32 const char* LogDecorations::_host_name = ""; 33 34 LogDecorations::LogDecorations(LogLevelType level, const LogTagSet &tagset, const LogDecorators &decorators) 35 : _level(level), _tagset(tagset), _millis(-1) { 36 create_decorations(decorators); 37 } 38 39 void LogDecorations::initialize(jlong vm_start_time) { 40 char buffer[1024]; 41 if (os::get_host_name(buffer, sizeof(buffer))){ 42 _host_name = os::strdup_check_oom(buffer); 43 } 44 _vm_start_time_millis = vm_start_time; 45 } 46 47 void LogDecorations::create_decorations(const LogDecorators &decorators) { 48 char* position = _decorations_buffer; 49 #define DECORATOR(full_name, abbr) \ 50 if (decorators.is_decorator(LogDecorators::full_name##_decorator)) { \ 51 _decoration_offset[LogDecorators::full_name##_decorator] = position; \ 52 position = create_##full_name##_decoration(position) + 1; \ 53 } 54 DECORATOR_LIST 55 #undef DECORATOR 56 } 57 58 jlong LogDecorations::java_millis() { 59 if (_millis < 0) { 60 _millis = os::javaTimeMillis(); 61 } 62 return _millis; 63 } 64 65 #define ASSERT_AND_RETURN(written, pos) \ 66 assert(written >= 0, "Decorations buffer overflow"); \ 67 return pos + written; 68 69 char* LogDecorations::create_time_decoration(char* pos) { 70 char* buf = os::iso8601_time(pos, 29); 71 int written = buf == NULL ? -1 : 29; 72 ASSERT_AND_RETURN(written, pos) 73 } 74 75 char* LogDecorations::create_utctime_decoration(char* pos) { 76 char* buf = os::iso8601_time(pos, 29, true); 77 int written = buf == NULL ? -1 : 29; 78 ASSERT_AND_RETURN(written, pos) 79 } 80 81 char * LogDecorations::create_uptime_decoration(char* pos) { 82 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%.3fs", os::elapsedTime()); 83 ASSERT_AND_RETURN(written, pos) 84 } 85 86 char * LogDecorations::create_timemillis_decoration(char* pos) { 87 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ms", java_millis()); 88 ASSERT_AND_RETURN(written, pos) 89 } 90 91 char * LogDecorations::create_uptimemillis_decoration(char* pos) { 92 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), 93 INT64_FORMAT "ms", java_millis() - _vm_start_time_millis); 94 ASSERT_AND_RETURN(written, pos) 95 } 96 97 char * LogDecorations::create_timenanos_decoration(char* pos) { 98 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ns", os::javaTimeNanos()); 99 ASSERT_AND_RETURN(written, pos) 100 } 101 102 char * LogDecorations::create_uptimenanos_decoration(char* pos) { 103 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), INT64_FORMAT "ns", os::elapsed_counter()); 104 ASSERT_AND_RETURN(written, pos) 105 } 106 107 char * LogDecorations::create_pid_decoration(char* pos) { 108 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%d", os::current_process_id()); 109 ASSERT_AND_RETURN(written, pos) 110 } 111 112 char * LogDecorations::create_tid_decoration(char* pos) { 113 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), 114 INTX_FORMAT, os::current_thread_id()); 115 ASSERT_AND_RETURN(written, pos) 116 } 117 118 char* LogDecorations::create_level_decoration(char* pos) { 119 // Avoid generating the level decoration because it may change. 120 // The decoration() method has a special case for level decorations. 121 return pos; 122 } 123 124 char* LogDecorations::create_tags_decoration(char* pos) { 125 int written = _tagset.label(pos, DecorationsBufferSize - (pos - _decorations_buffer)); 126 ASSERT_AND_RETURN(written, pos) 127 } 128 129 char* LogDecorations::create_hostname_decoration(char* pos) { 130 int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%s", _host_name); 131 ASSERT_AND_RETURN(written, pos) 132 } 133