bson-rpc/examples/demo_express.js

the nodejs version of bson-rpc

var util = require('util');
var bson_rpc = require('..');
var express = require('express');
var app = express();

//var proxy = new bson_rpc.client('127.0.0.1', 8181);
var proxy = new bson_rpc.client(['10.0.0.1', '10.0.0.3', '10.0.0.5', '127.0.0.1', '10.0.0.2', '10.0.0.4'], 8181);
proxy.use_service(['add']);

//DOF is true by default
/* proxy.die_on_failure(false);
process.on('unhandledRejection', (reason, p) => {
	console.log("Promise Rejection Caught at: Promise ", p, " reason: ", reason);
	// application specific logging, throwing an error, or other logic here
	process.exit(1);
});
*/

proxy.connect(() => {
	//console.log('connected');
});

app.get('/', function (req, res) {
	res.send('<ul>' +
					 '<li><a href=/1>1</a></li>' +
					 '<li><a href=/2>2</a></li>' +
					 '<li><a href=/3>3</a></li>' +
					 '<li><a href=/4>4</a></li>' +
					 '</ul>');
});

app.get('/1', function (req, res) {
	proxy.add(1, 2).then(function (err, doc) {
		if (err) 
			res.send(err);
		else
			res.send(JSON.stringify(doc));
	});
});

app.get('/2', function (req, res) {
	proxy.add(3, 4).then(function (err, doc) {
		if (err) 
			res.send(err);
		else
			res.send(JSON.stringify(doc));
	});
});

app.get('/3', function (req, res) {
	proxy.add(5, 6).then(function (err, doc) {
		if (err) 
			res.send(err);
		else
			res.send(JSON.stringify(doc));
	});
});

app.get('/4', function (req, res) {
	proxy.add(7, 8).then(function (err, doc) {
		if (err) 
			res.send(err);
		else
			res.send(JSON.stringify(doc));
	});
});

var server = app.listen(3000, function () {
	var host = server.address().address;
	var port = server.address().port;

	console.log('Example app listening at http://%s:%s', host, port);
});