44 lines
1.1 KiB
Ruby
44 lines
1.1 KiB
Ruby
require File.dirname(__FILE__) + '/helper'
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EM.run do
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# Create a channel to push data to, this could be stocks...
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RandChannel = EM::Channel.new
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# The server simply subscribes client connections to the channel on connect,
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# and unsubscribes them on disconnect.
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class Server < EM::Connection
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def self.start(host = '127.0.0.1', port = 8000)
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EM.start_server(host, port, self)
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end
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def post_init
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@sid = RandChannel.subscribe { |m| send_data "#{m.inspect}\n" }
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end
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def unbind
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RandChannel.unsubscribe @sid
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end
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end
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Server.start
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# Two client connections, that just print what they receive.
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2.times do
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EM.connect('127.0.0.1', 8000) do |c|
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c.extend EM::P::LineText2
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def c.receive_line(line)
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puts "Subscriber: #{signature} got #{line}"
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end
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EM.add_timer(2) { c.close_connection }
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end
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end
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# This part of the example is more fake, but imagine sleep was in fact a
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# long running calculation to achieve the value.
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40.times do
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EM.defer lambda { v = sleep(rand * 2); RandChannel << [Time.now, v] }
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end
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EM.add_timer(5) { EM.stop }
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end
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