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var express = require('express');

var app = express();

var server = require('http').Server(app);

var io = require('socket.io')(server);

var bodyParser = require('body-parser');

var port = process.env.PORT || 3000;

var pgsql = require('./pgsql');

var lastSocket;

app.use(bodyParser.json());

app.use(bodyParser.urlencoded({ extended: true }));

app.use(express.static(__dirname + '/public'));

io.on('connection', function (socket) {

lastSocket = socket;

pgsql.getConnection().query('SELECT * FROM PUBLIC.TEST_NOTIFY', function (err, result) {

lastSocket.emit('notify', result.rows);

});

});

pgsql.events.on('test_notify', function (data) {

lastSocket.emit('notify', [data]);

lastSocket.broadcast.emit('notify', [data]);

});

server.listen(port, function () {

console.log('Server listening at port %d', port);

});