| 1 | /* |
| 2 | Copyright 2021 Intel Corporation |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | function parseLine(entry) |
| 19 | { |
| 20 | var test = entry.match(/^\[.*M\]/); |
| 21 | if (test == null) |
| 22 | { |
| 23 | test = entry.match(/\[.+ => .+:[0-9]+\]/); |
| 24 | if (test != null) |
| 25 | { |
| 26 | // Windows Crash Entry |
| 27 | var file = test[0].substring(1).match(/(?!.+ ).+(?=:)/); |
| 28 | var line = test[0].match(/(?!:)[0-9]+(?=\]$)/); |
| 29 | var fn = test[0].match(/(?!\[).+(?= =>)/); |
| 30 | |
| 31 | if (file != null) { this.results.peek().f = file[0].trim(); } |
| 32 | if (line != null) { this.results.peek().l = line[0]; } |
| 33 | if (fn != null) { this.results.peek().fn = fn[0]; } |
| 34 | } |
| 35 | else |
| 36 | { |
| 37 | test = entry.match(/^[\.\/].+\(\) \[0x[0-9a-fA-F]+\]$/); |
| 38 | if (test != null) |
| 39 | { |
| 40 | // Linux Crash Stack with no symbols |
| 41 | test = test[0].match(/(?!\[)0x[0-9a-fA-F]+(?=\]$)/); |
| 42 | if (test != null) |
| 43 | { |
| 44 | if (this.results.peek().sx == null) { this.results.peek().sx = []; } |
| 45 | this.results.peek().sx.unshift(test[0]); |
| 46 | } |
| 47 | } |
| 48 | else |
| 49 | { |
| 50 | test = entry.match(/^\[.+_[0-9a-fA-F]{16}\]$/); |
| 51 | if(test!=null) |
| 52 | { |
| 53 | // Linux Crash ID |
| 54 | test = test[0].match(/(?!_)[0-9a-fA-F]{16}(?=\]$)/); |
| 55 | this.results.peek().h = test[0]; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | test = entry.match(/(?!^=>)\/+.+:[0-9]+$/); |
| 60 | if(test!=null) |
| 61 | { |
| 62 | // Linux Crash Entry |
| 63 | if (this.results.peek().s == null) { this.results.peek().s = []; } |
| 64 | this.results.peek().s.unshift(test[0]); |
| 65 | } |
| 66 | |
| 67 | } |
| 68 | return; |
| 69 | } |
| 70 | test = test[0]; |
| 71 | |
| 72 | var dd = test.substring(1, test.length -1); |
| 73 | var c = dd.split(' '); |
| 74 | var t = c[1].split(':'); |
| 75 | if (c[2] == 'PM') { t[0] = parseInt(t[0]) + 12; if (t[0] == 24) { t[0] = 0; } } |
| 76 | |
| 77 | var d = Date.parse(c[0] + 'T' + t.join(':')); |
| 78 | var msg = entry.substring(test.length).trim(); |
| 79 | var hash = msg.match(/^\[[0-9a-fA-F]{16}\]/); |
| 80 | if (hash != null) |
| 81 | { |
| 82 | hash = hash[0].substring(1, hash[0].length - 1); |
| 83 | msg = msg.substring(hash.length + 2).trim(); |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | hash = msg.match(/^\[\]/); |
| 88 | if(hash!=null) |
| 89 | { |
| 90 | msg = msg.substring(2).trim(); |
| 91 | hash = null; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | var log = { t: Math.floor(d / 1000), m: msg }; |
| 96 | if (hash != null) { log.h = hash; } |
| 97 | |
| 98 | // Check for File/Line in generic log entry |
| 99 | test = msg.match(/^.+:[0-9]+ \([0-9]+,[0-9]+\)/); |
| 100 | if (test != null) |
| 101 | { |
| 102 | log.m = log.m.substring(test[0].length).trim(); |
| 103 | log.f = test[0].match(/^.+(?=:[0-9]+)/)[0]; |
| 104 | log.l = test[0].match(/(?!:)[0-9]+(?= \([0-9]+,[0-9]+\)$)/)[0]; |
| 105 | } |
| 106 | |
| 107 | this.results.push(log); |
| 108 | } |
| 109 | |
| 110 | function readLog_data(buffer) |
| 111 | { |
| 112 | var lines = buffer.toString(); |
| 113 | if (this.buffered != null) { lines = this.buffered + lines; } |
| 114 | lines = lines.split('\n'); |
| 115 | var i; |
| 116 | |
| 117 | for (i = 0; i < (lines.length - 1) ; ++i) |
| 118 | { |
| 119 | parseLine.call(this, lines[i]); |
| 120 | } |
| 121 | |
| 122 | if (lines.length == 1) |
| 123 | { |
| 124 | parseLine.call(this, lines[0]); |
| 125 | this.buffered = null; |
| 126 | } |
| 127 | else |
| 128 | { |
| 129 | this.buffered = lines[lines.length - 1]; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | function readLogEx(path) |
| 134 | { |
| 135 | var ret = []; |
| 136 | try |
| 137 | { |
| 138 | var s = require('fs').createReadStream(path); |
| 139 | s.buffered = null; |
| 140 | s.results = ret; |
| 141 | s.on('data', readLog_data); |
| 142 | s.resume(); |
| 143 | if (s.buffered != null) { readLog_data.call(s, s.buffered); s.buffered = null; } |
| 144 | s.removeAllListeners('data'); |
| 145 | s = null; |
| 146 | } |
| 147 | catch(z) |
| 148 | { |
| 149 | } |
| 150 | |
| 151 | return (ret); |
| 152 | } |
| 153 | |
| 154 | function readLog(criteria, path) |
| 155 | { |
| 156 | var objects = readLogEx(path == null ? (process.execPath.split('.exe').join('') + '.log') : path); |
| 157 | var ret = []; |
| 158 | |
| 159 | if (typeof (criteria) == 'string') |
| 160 | { |
| 161 | try |
| 162 | { |
| 163 | var dstring = Date.parse(criteria); |
| 164 | criteria = Math.floor(dstring / 1000); |
| 165 | } |
| 166 | catch(z) |
| 167 | { |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | if (typeof (criteria) == 'number') |
| 172 | { |
| 173 | if(criteria < 1000) |
| 174 | { |
| 175 | // Return the last xxx entries |
| 176 | ret = objects.slice(objects.length - ((criteria > objects.length) ? objects.length : criteria)); |
| 177 | } |
| 178 | else |
| 179 | { |
| 180 | // Return entries that are newer than xxx |
| 181 | var i; |
| 182 | for (i = 0; i < objects.length && objects[i].t <= criteria; ++i) { } |
| 183 | ret = objects.slice(i); |
| 184 | } |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | ret = objects; |
| 189 | } |
| 190 | |
| 191 | return (ret); |
| 192 | } |
| 193 | |
| 194 | module.exports = { read: readLog, readEx: readLogEx } |
| 195 |