Created
August 19, 2013 20:40
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Simple Server-Sent Event example that somehow prevents the NodeJS process from handling more than 6 open connections.
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| var fs = require('fs'), | |
| http = require('http'), | |
| port = process.argv[2] || process.env.PORT || 3000; | |
| http.createServer(function (req, res) { | |
| console.log('REQ:', req.url); | |
| if(req.url == '/') { | |
| console.log('RENDER'); | |
| res.write('<html><body>Load the Console</body><script src="/stream.js"></script>'); | |
| res.end(); | |
| } else if(req.url.match(/\/stream/)) { | |
| console.log('JS'); | |
| res.writeHead(200, { | |
| 'Content-Type' : 'application/javascript' | |
| }); | |
| res.write("console.log('Waiting for ping...');\n"+ | |
| "var sse = new EventSource('/firehose');\n"+ | |
| "sse.addEventListener('message', function(e) {\n"+ | |
| " console.log('PING',e.data);\n"+ | |
| "},false);"); | |
| res.end(); | |
| } else if(req.url.match(/\/firehose/)) { | |
| res.writeHead(200, { | |
| 'Content-Type' : 'text/event-stream', | |
| 'Cache-Control' : 'no-cache', | |
| 'Connection' : 'keep-alive', | |
| 'Access-Control-Allow-Origin' : '*' | |
| }); | |
| res.write('KEEP ALIVE'); | |
| var pinger = setInterval(function() { | |
| res.write('data:'+(+new Date)+'\n\n'); | |
| },1000); | |
| res.on('close', function() { | |
| console.log('CLOSED'); | |
| clearInterval(pinger); | |
| }); | |
| } else { | |
| res.writeHead(404, {}); | |
| res.end('Not Found'); | |
| } | |
| }).listen(port); | |
| console.log('Server running at port '+port); |
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