mirror of
https://github.com/openstf/stf
synced 2025-10-04 02:09:32 +02:00
120 lines
2.3 KiB
JavaScript
120 lines
2.3 KiB
JavaScript
var util = require('util')
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var events = require('events')
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var colors = require('colors')
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function Log(tag, stream) {
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this.tag = tag
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this.names = {
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1: 'DBG'
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, 2: 'VRB'
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, 3: 'INF'
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, 4: 'WRN'
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, 5: 'ERR'
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, 6: 'FTL'
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}
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this.colors = {
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1: 'grey'
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, 2: 'cyan'
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, 3: 'green'
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, 4: 'yellow'
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, 5: 'red'
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, 6: 'red'
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}
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this.localIdentifier = null
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events.EventEmitter.call(this)
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}
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util.inherits(Log, events.EventEmitter)
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Log.Entry = function(timestamp, priority, tag, pid, identifier, message) {
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this.timestamp = timestamp
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this.priority = priority
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this.tag = tag
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this.pid = pid
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this.identifier = identifier
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this.message = message
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}
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Log.prototype.setLocalIdentifier = function(identifier) {
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this.localIdentifier = identifier
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}
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Log.prototype.debug = function() {
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this._write(this._entry(Logger.Level.DEBUG, arguments))
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}
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Log.prototype.verbose = function() {
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this._write(this._entry(Logger.Level.VERBOSE, arguments))
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}
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Log.prototype.info = function() {
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this._write(this._entry(Logger.Level.INFO, arguments))
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}
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Log.prototype.warn = function() {
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this._write(this._entry(Logger.Level.WARNING, arguments))
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}
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Log.prototype.error = function() {
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this._write(this._entry(Logger.Level.ERROR, arguments))
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}
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Log.prototype.fatal = function() {
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this._write(this._entry(Logger.Level.FATAL, arguments))
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}
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Log.prototype._entry = function(priority, args) {
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return new Log.Entry(
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Date.now()
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, priority
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, this.tag
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, process.pid
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, this.localIdentifier || Logger.globalIdentifier
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, util.format.apply(util, args)
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)
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}
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Log.prototype._format = function(entry) {
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return util.format('%s/%s %d [%s] %s'
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, this._name(entry.priority)
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, entry.tag
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, entry.pid
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, entry.identifier
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, entry.message
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)
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}
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Log.prototype._name = function(priority) {
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return this.names[priority][this.colors[priority]]
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}
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Log.prototype._write = function(entry) {
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console.error(this._format(entry))
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this.emit('entry', entry)
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Logger.emit('entry', entry)
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}
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var Logger = new events.EventEmitter()
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Logger.Level = {
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DEBUG: 1
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, VERBOSE: 2
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, INFO: 3
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, WARNING: 4
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, ERROR: 5
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, FATAL: 6
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}
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Logger.globalIdentifier = '*'
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Logger.createLogger = function(tag) {
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return new Log(tag)
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}
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Logger.setGlobalIdentifier = function(identifier) {
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Logger.globalIdentifier = identifier
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return Logger
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}
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exports = module.exports = Logger
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