@tlrg/middleware-js/lib/middlewares/requestStats/index.js

Node module for sharing common middlewares.

var onFinished = require('on-finished');

module.exports = function (req, res, next) {
    var metrics = req.app.get('metrics');
    var start = new Date();

    metrics.increment('active_requests');

    onFinished(res, function () {
        metrics.increment('requests_handled');
        metrics.decrement('active_requests');
        metrics.timing('requestTime', start);
        metrics.close();
    });

    next();
};