nyx_server/core/middleware/RequestMonitor.js

Node内容发布

//请求监控，
var influx = require('influx')
var OS = require('os');
var _ = require('lodash');

var client = influx({
	host: '10.50.8.128',
	port: 8086, // optional, default 8086
	protocol: 'http', // optional, default 'http'
	database: 'Nyx'
})

var ips = (function(){
   var ifaces = OS.networkInterfaces();
   return _.flatten(_.map(Object.keys(ifaces), function(ifname){
    var interfaces = _.filter(ifaces[ifname], {family: 'IPv4', internal: false});
    return _.map(interfaces, 'address');
  }));
})();


var processName = ips[0]+(process.env.name ? "_"+process.env.name : "")+ (process.env.pm_id ? "_"+process.env.pm_id : "");


module.exports = requestMonitor;

function requestMonitor() {
	return function (req, res, next) {
		
		try {
			var startTime = Date.now();
			var write1 = res.write;
			var end1 = res.end;
			res.end = function (string, encoding) {
				res.end = end1;
				res.write = write1;
				end1.call(res, string, encoding);
				var endTime = Date.now();
				var processTime = endTime - startTime; //执行时间
				//资源类处理时间
				client.writePoint("resource_process_time", { processTime: processTime}, {path:req.path , processName:processName}, function () { })
			};
			next();

		} catch (err) {
			console.log(err);
			next();
		}
	}
}