mors/lib/server/index.js

Express inspired mqtt development framework based on mosca for node

"use strict";

require('./client');

const util = require('util');
const mosca = require('mosca');
const Request = require('../request');
const Response = require('../response');

function toNumber(x) {
	return (x = Number(x)) >= 0 ? x : false;
}

module.exports = Server;

function Server(handler, opts, callback) {
	if (!(this instanceof Server)) {
		return new Server(handler, opts, callback);
	}
	if (!handler || !handler.handle || !handler.use) {
		callback = opts;
		opts = handler;
		handler = null;
	}
	if (typeof opts === 'function') {
		callback = opts;
		opts = null;
	}
	if (typeof opts == 'number') {
		opts = {
			host: "0.0.0.0",
			port: toNumber(opts)
		};
	}
	opts = opts || {};

	if (handler) {
//        this.on('clientConnected', function (client) {
//            handler(Request.connect(client), Response(client));
//        });
//        this.on('clientDisconnected', function (client) {
//            handler(Request.disconnect(client), Response(client));
//        });
		this.on('subscribed', function (topic, client) {
			handler(Request.subscribe(client, topic), new Response(client));
		});
		this.on('unsubscribed', function (topic, client) {
			handler(Request.unsubscribe(client, topic), new Response(client));
		});
		this.handlePublish = function (client, packet, callback) {
			handler(Request.publish(client, packet), new Response(client));
			callback && callback();
		};
		if (handler.authenticate) this.authenticate = handler.authenticate;
		if (handler.authorizePublish) this.authorizePublish = handler.authorizePublish;
		if (handler.authorizeSubscribe) this.authorizeSubscribe = handler.authorizeSubscribe;
	}

	this.once('ready', function () {
		this.isReady = true;
	});

	mosca.Server.call(this, opts, callback);
}

util.inherits(Server, mosca.Server);

Server.prototype.toString = function () {
	return 'mors/mosca.Server';
};

Server.prototype.ready = function (cb) {
	if (this.isReady) return cb();
	this.once('ready', cb);
};