CartoDB-SQL-API/test/websocket_test/app.js
Daniel García Aubert a616982ec3 Use strict mode
2018-10-24 15:42:33 +02:00

60 lines
1.5 KiB
JavaScript

'use strict';
// this is a test to understand accessing sql api via websockets
var express = require('express')
, app = express.createServer(
express.logger({
buffer: true,
format: '[:date] :req[X-Real-IP] \033[90m:method\033[0m \033[36m:req[Host]:url\033[0m \033[90m:status :response-time ms -> :res[Content-Type]\033[0m'
}))
, Step = require('step')
, _ = require('underscore');
app.use(express.bodyParser());
app.use(express.static(__dirname + '/public'));
app.enable('jsonp callback');
var io = require('socket.io');
io = io.listen(app);
io.configure('development', function(){
io.set('log level', 1);
io.set('origins', '*:*');
});
app.listen(8080);
// hacked postgres setup
//var pg = require('pg');
var pg = require('pg').native //native libpq bindings = `
var conString = "tcp://postgres@localhost/cartodb_dev_user_2_db";
var client = new pg.Client(conString);
client.connect();
io.sockets.on('connection', function (socket) {
socket.emit('news', { hello: 'world' });
socket.on('my other event', function (data) {
console.log(data);
});
socket.on('sql_query', function(data){
var query = client.query(data.sql);
var id = data.id;
query.on('row', function(row) {
socket.emit("sql_result", {r:row, id:id, state:1})
});
query.on('end',function(){
socket.emit("sql_result", {id:id, state:0});
});
query.on('error', function(row){
socket.emit("sql_result", {r:row, id:id, state:-1})
});
});
});