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Server-sent-events with trial for hapi and one with a plain node.js http server.
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| var Hapi = require('hapi'); | |
| var stream = require('stream'); | |
| // Create a server | |
| var server = Hapi.createServer('localhost', 8000); | |
| // Add a route | |
| server.route({ | |
| method: 'GET', | |
| path: '/hello', | |
| handler: function(request, reply) { | |
| reply("<script>" + | |
| "var source = new EventSource('/events');" + | |
| "source.onmessage = function(e) { console.log(e.data) };" + | |
| "source.onerror = function(e) { console.error(e); };" + | |
| "source.onopen = function(e) { console.info(e); };" + | |
| "</script> " + | |
| "Hello World, Open the debug console to see more...!"); | |
| } | |
| }); | |
| // SSE | |
| server.route({ | |
| method: 'GET', | |
| path: '/events', | |
| handler: function(request, reply) { | |
| var channel = new stream.PassThrough | |
| var interval = setInterval(function() { | |
| channel.write("data: abcdef\n\n") | |
| console.log("write data..."); | |
| }, 1000); | |
| request.raw.req.on("close", function() { | |
| console.error("oops listener closed"); | |
| clearInterval(interval); | |
| }); | |
| reply(channel).code(200).type('text/event-stream').header('Connection', 'keep-alive').header('Cache-Control', 'no-cache'); | |
| } | |
| }); | |
| // Start the server | |
| server.start(); |
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| { | |
| "name": "sse-example-failure", | |
| "version": "0.0.0", | |
| "description": "", | |
| "main": "hapi.js", | |
| "scripts": { | |
| "start": "node hapi.js" | |
| }, | |
| "dependencies": { | |
| "hapi": "~2.3.0" | |
| } | |
| } |
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| var http = require('http'); | |
| var stream = require('stream'); | |
| var server = http.createServer(function(request, response) { | |
| // Handle SSE requests | |
| if (request.url == "/events") { | |
| var channel = new stream.PassThrough | |
| var interval = setInterval(function() { | |
| channel.write("data: abcdef\n\n"); | |
| console.log("write data..."); | |
| }, 1000); | |
| response.writeHead(200, { 'content-type': 'text/event-stream; charset=utf-8', 'connection': 'keep-alive', 'cache-control': 'no-cache' }); | |
| response.on("close", function() { clearInterval(interval); }); | |
| channel.pipe(response); | |
| } | |
| // Provide the "UI" | |
| else { | |
| response.writeHead(200, { 'Content-Type': 'text/html' }); | |
| response.end("<script>" + | |
| "var source = new EventSource('/events');" + | |
| "source.onmessage = function(e) { console.log(e.data) };" + | |
| "source.onerror = function(e) { console.error(e); };" + | |
| "source.onopen = function(e) { console.info(e); };" + | |
| "</script> " + | |
| "Hello World, Open the debug console to see more...!"); | |
| } | |
| }); | |
| // Start server | |
| server.listen(8000); |
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