Created
October 11, 2014 16:37
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WebSocket sample
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script> | |
| <script> | |
| var ws = new WebSocket("ws://localhost:7070"); | |
| ws.onopen = function() { | |
| console.log("connected WebSocket server"); | |
| } | |
| ws.onclose = function() { | |
| console.log("disconnected WebSocket server"); | |
| } | |
| ws.onmessage = function(e) { | |
| var message_div = $('<div />').html(e.data); | |
| $('div.data').prepend(message_div); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <h1>testapp</h1> | |
| <div class="data"></div> | |
| </body> | |
| </html> |
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| #!/usr/bin/env ruby | |
| require 'em-websocket' | |
| EM.run do | |
| @channel = EM::Channel.new | |
| puts "WebSocket Server start." | |
| EM::WebSocket.start(host: '0.0.0.0', port: '7070') do |ws| | |
| ws.onopen do | |
| sid = @channel.subscribe {|message| ws.send(message) } | |
| puts "<#{sid}> WebSocket connection open" | |
| ws.onclose do | |
| @channel.unsubscribe(sid) | |
| puts "<#{sid}> disconnected" | |
| end | |
| end | |
| end | |
| EM::defer do | |
| loop do | |
| time = Time.now.to_s | |
| @channel.push Time.now.to_s | |
| puts "send data - #{time}" | |
| sleep 1 | |
| end | |
| end | |
| end |
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