node-time #64

'use strict'
const time = require('time');
const moment = require('moment');
const tz = require('moment-timezone');
const async = require('async');
const bunyan = require('bunyan');
var log = bunyan.createLogger({name: "time error"});
var fs = require('fs');

var timezones = moment.tz.names();
var streams = [];
var openCount = 0;
let fileCount = 4084;
log.info('opening streams');
for(var i =0; i < fileCount; i++){
    let ws = fs.createWriteStream('/tmp/'+i.toString()+'.txt');
    ws.on('open', ()=>{
        openCount++;
        if (openCount === fileCount){
            setTimezones();
        } else {
            log.debug(openCount+' streams open');
        }
    });
    streams.push(ws);
}

var setTimezones = ()=>{
    log.info('setTimezones starting');
    async.each(timezones, (timezone, next)=>{
        let now = new time.Date();
        try{
            now.setTimezone(timezone);
        } catch (ex){
            log.error({ex:ex,timezone:timezone}, 'Error setting timezone');
        }
        next();  
    }, (err)=>{
        if (err){
            log.info({err:err}, 'Error setting timezones');
        }
        for (var i =0; i < streams.length; i++){
            streams[i].end();
        }
        log.info('finished');
    });
}