145 lines
2.9 KiB
JavaScript
145 lines
2.9 KiB
JavaScript
var util = require( "util" );
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/*{{{ Private methods */
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// Months
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var mon = [ '01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12' ];
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function padZero( num )
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{
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if( num < 10 ) return "0" + String( num );
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return String( num );
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}
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function logDate( date )
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{
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return "[ " + date.getFullYear()
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+ "-" + mon[ date.getMonth() ]
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+ "-" + padZero( date.getDate() )
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+ " " + padZero( date.getHours() )
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+ ":" + padZero( date.getMinutes() )
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+ ":" + padZero( date.getSeconds() )
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+ " ] ";
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}
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/*}}}*/
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// Logger
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function Dragonfly( logHandler )
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{
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this.currentSphere = Dragonfly.defaultSphere;
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this.Visibility = Dragonfly.Visibility;
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this.Spheres = Dragonfly.Spheres;
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// Bind prototype functions
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for( var i in Dragonfly.prototype )
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{
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Dragonfly[i] = this[i].bind( this );
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}
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var cluster = require( "cluster" );
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if( cluster.isMaster )
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{
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this.logHandler = logHandler || { write: console.log };
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this.messageBus = function( msg )
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{
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if( msg.cmd == "dragonLog" )
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{
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this.logHandler.write( msg.data );
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}
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}.bind( this );
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}
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else
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{
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this.logHandler = { write: function( e ) { process.send({ cmd: "dragonLog", data: e }); } };
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}
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var cluster = require("cluster");
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this.ptag = "[ " + ( cluster.isMaster ? "M" : "S" ) + ":" + process.pid + " ] ";
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this.Info( "Dragonfly ready.", Dragonfly.Visibility.VISIBLE );
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}
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Dragonfly.prototype.Info = function( mesg, visibility )
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{
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this.Log( mesg, Dragonfly.Spheres.THERMO, visibility );
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};
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Dragonfly.prototype.Warning = function( mesg, visibility )
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{
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this.Log( mesg, Dragonfly.Spheres.STRATO, visibility );
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};
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Dragonfly.prototype.Error = function( mesg, visibility )
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{
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this.Log( mesg, Dragonfly.Spheres.HYDRO, visibility );
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};
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Dragonfly.prototype.Debug = function( mesg, visibility )
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{
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this.Log( mesg, Dragonfly.Spheres.LITHO, visibility );
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};
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Dragonfly.prototype.Log = function( mesg, sphere, visibility )
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{
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if( isNaN( sphere ) ) sphere = Dragonfly.Spheres.LITHO;
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visibility = Number( visibility );
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isNaN( visibility ) && ( visibility = 0 );
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sphere += visibility;
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var write = true;
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if( this.currentSphere < sphere )
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{
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write = ( this.currentSphere % 10 < sphere % 10 );
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}
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// Writeline if yes
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write && this.writeLine( mesg );
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};
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Dragonfly.prototype.writeLine = function ()
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{
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for( var i in arguments )
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{
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if( typeof( arguments[i] ) == "string" )
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{
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this.__log( arguments[i] );
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}
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else
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{
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var lines = util.inspect( arguments[i] ).split("\n");
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for( var j in lines )
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{
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this.__log( lines[j] );
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}
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}
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}
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};
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Dragonfly.prototype.__log = function ( line )
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{
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this.logHandler.write( this.ptag + logDate( new Date() ) + util.format( line ) + "\n" );
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};
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// Static properties
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Dragonfly.defaultSphere = 10;
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Dragonfly.Spheres = {
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// Debug
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THERMO: 30
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// Inspect
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, STRATO: 20
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// Production
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, HYDRO: 10
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, LITHO: 0
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};
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Dragonfly.Visibility = {
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VISIBLE: 9
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, VH8: 8, VH7: 7, VH6: 6
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, HIDDEN: 5
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, HU4: 4, HU3: 3, HU2: 2
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, UNSEEN: 1
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};
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module.exports = Dragonfly;
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