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demo.js
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demo.js
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/*
* Copyright (c) 2015 Internet of Protocols Alliance (IOPA)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
global.Promise = require('bluebird');
const iopa = require('iopa')
, mqtt = require('./index.js')
, util = require('util')
, tcp = require('iopa-tcp')
const iopaMessageLogger = require('iopa-logger').MessageLogger
var sessionContextDemo;
var app = new iopa.App();
app.use(mqtt);
app.use(iopaMessageLogger);
app.use(function(context, next){
context.log.info("[DEMO] SERVER MQTT DEMO " + context["iopa.Method"] + " " + context["iopa.Path"]);
if (["CONNACK", "PINGRESP"].indexOf(context.response["iopa.Method"]) >=0)
context.response["iopa.Body"].end();
if (["SUBACK"].indexOf(context.response["iopa.Method"]) >=0)
{
context.response["mqtt.Granted"] =[0,1,2,128];
context.response["iopa.Body"].end("");
}
if (["CONNECT"].indexOf(context["iopa.Method"]) >=0)
sessionContextDemo = context["server.ParentContext"];
return next();
});
var server = tcp.createServer(app.build());
if (!process.env.PORT)
process.env.PORT = 1883;
var mqttClient;
server.listen(process.env.PORT, process.env.IP)
.then(function(){
app.log.info("[DEMO] Server is on port " + server.port );
return server.connect("mqtt://127.0.0.1");
})
.then(function(cl){
mqttClient = cl;
app.log.info("[DEMO] Client is on port " + mqttClient["server.LocalPort"]);
return mqttClient.create("/", "CONNECT").send();
}).then(function(response){
app.log.info("[DEMO] MQTT DEMO Response " + response["iopa.Method"]);
return mqttClient.create("/projector", "SUBSCRIBE").observe(
function(context){console.log(context["iopa.Body"].toString());
var ctx = sessionContextDemo.create("/projector", "PUBLISH");
ctx["iopa.Body"].end(new Buffer('Hello World'));
ctx.send();
setTimeout(function(){
server.close()}, 2000);
});
})