Created
May 14, 2011 16:02
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require 'redis' | |
require 'em-websocket' | |
require 'sinatra/base' | |
#require 'sinatra' | |
require 'ruby-debug' | |
SOCKETS = [] | |
REDIS = Redis.new(:host => '0.0.0.0', :port => 6379) | |
# Creating a thread for the EM event loop | |
Thread.new do | |
EventMachine.run do | |
class App < Sinatra::Base | |
# Sinatra code here | |
get '/' do | |
erb :index | |
end | |
end | |
# Creates a websocket listener | |
EventMachine::WebSocket.start(:host => '0.0.0.0', :port => 8080) do |ws| | |
ws.onopen do | |
# When someone connects I want to add that socket to the SOCKETS array that | |
# I instantiated above | |
puts 'creating socket' | |
SOCKETS << ws | |
end | |
ws.onmessage do |message| | |
message.delete!('"') | |
#SOCKETS.each {|s| s.send message} | |
#debugger | |
#puts "from browser: "+message | |
pub = REDIS.publish('ws', message.to_s) | |
puts pub | |
end | |
ws.onclose do | |
# Upon the close of the connection I remove it from my list of running sockets | |
puts 'closing socket' | |
SOCKETS.delete ws | |
end | |
end #EventMachine::WebSocket | |
App.run!({:port => 3000}) | |
end #EventMachine.run | |
end #Thread | |
# Creating a thread for the redis subscribe block | |
Thread.new do | |
REDIS.subscribe('ws') do |on| | |
#debugger | |
# When a message is published to 'ws' | |
on.message do |chan, msg| | |
puts "sending message: #{msg}" | |
# Send out the message on each open socket | |
SOCKETS.each {|s| s.send msg} | |
end | |
end | |
end | |
sleep |
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