server/utils/server-stats.js

   1 'use strict';
   2
   3 var env = require('gitter-web-env');
   4 var logger = env.logger;
   5 var stats = env.stats;
   6 var shutdown = require('shutdown');
   7
   8 module.exports = function(prefix, server) {
   9   var timer = setInterval(function() {
  10     server.getConnections(function(err, connections) {
  11       if (err)
  12         return logger.error('Unable to enumerate server connections: ' + err, { exception: err });
  13       stats.gaugeHF(prefix + '.connections', connections);
  14     });
  15   }, 1000);
  16
  17   shutdown.addHandler('server-stats', 30, function(callback) {
  18     clearTimeout(timer);
  19     callback();
  20   });
  21 };