Created
August 4, 2012 22:32
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Terribly simple Sinatra streaming
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| require 'sinatra' | |
| set server: :thin | |
| get '/' do | |
| erb :welcome | |
| end | |
| get '/stream', provides: 'text/event-stream' do | |
| stream do |out| | |
| loop do | |
| if (Time.now.sec % 5).zero? | |
| out << "event: counter\n" | |
| out << "data: 5 seconds passed\n\n" | |
| end | |
| sleep 1 | |
| end | |
| end | |
| end | |
| __END__ | |
| @@ layout | |
| <html> | |
| <head> | |
| <title>Terribly simple streaming with Sinatra</title> | |
| <meta charset='utf-8' /> | |
| <script src='http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js'></script> | |
| <script> | |
| var source = new EventSource('/stream'); | |
| source.addEventListener('counter', function(e) { $('#counter').append(e.data + '<br />') }); | |
| </script> | |
| </head> | |
| <body><%= yield %></body> | |
| </html> | |
| @@ welcome | |
| <div id='counter'></div> |
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