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require 'em-websocket'
# requires the twitter-stream gem
require 'twitter/json_stream'
require 'json'
#
# broadcast all ruby related tweets to all connected users!
#
username = ARGV.shift
password = ARGV.shift
raise "need username and password" if !username or !password
EventMachine.run {
@channel = EM::Channel.new
@twitter = Twitter::JSONStream.connect(
:path => '/1/statuses/filter.json?track=ruby',
:auth => "#{username}:#{password}",
:ssl => true
)
@twitter.each_item do |status|
status = JSON.parse(status)
@channel.push "#{status['user']['screen_name']}: #{status['text']}"
end
EventMachine::WebSocket.start(:host => "0.0.0.0", :port => 8080, :debug => true) do |ws|
ws.onopen {
sid = @channel.subscribe { |msg| ws.send msg }
@channel.push "#{sid} connected!"
ws.onmessage { |msg|
@channel.push "<#{sid}>: #{msg}"
}
ws.onclose {
@channel.unsubscribe(sid)
}
}
end
puts "Server started"
}