pomelo-upgrade/lib/filters/handler/time.js

网易Pomelo升级版本

'use strict';
/**
 * Filter for statistics.
 * Record used time for each request.
 */
const conLogger = require('pomelo-logger-upgrade').getLogger('con_log', __filename);
const utils = require('../../util/utils');

module.exports = function()
{
    return new Filter();
};

const Filter = function()
{
};

Filter.prototype.before = function(msg, session, next)
{
    session.__startTime__ = Date.now();
    next();
};

Filter.prototype.after = function(err, msg, session, resp, next)
{
    const start = session.__startTime__;
    if (typeof start === 'number')
    {
        const timeUsed = Date.now() - start;
        const log = {
            route    : msg.__route__,
            args     : msg,
            time     : utils.format(new Date(start)),
            timeUsed : timeUsed
        };
        conLogger.info(JSON.stringify(log));
    }
    next(err);
};