Add bin and edit workflow

bin/gems/eventmachine-1.2.7/examples/old/ex_channel.rb

@@ -0,0 +1,43 @@
+require File.dirname(__FILE__) + '/helper'
+
+EM.run do
+
+  # Create a channel to push data to, this could be stocks...
+  RandChannel = EM::Channel.new
+
+  # The server simply subscribes client connections to the channel on connect,
+  # and unsubscribes them on disconnect.
+  class Server < EM::Connection
+    def self.start(host = '127.0.0.1', port = 8000)
+      EM.start_server(host, port, self)
+    end
+
+    def post_init
+      @sid = RandChannel.subscribe { |m| send_data "#{m.inspect}\n" }
+    end
+
+    def unbind
+      RandChannel.unsubscribe @sid
+    end
+  end
+  Server.start
+
+  # Two client connections, that just print what they receive.
+  2.times do
+    EM.connect('127.0.0.1', 8000) do |c|
+      c.extend EM::P::LineText2
+      def c.receive_line(line)
+        puts "Subscriber: #{signature} got #{line}"
+      end
+      EM.add_timer(2) { c.close_connection }
+    end
+  end
+
+  # This part of the example is more fake, but imagine sleep was in fact a
+  # long running calculation to achieve the value.
+  40.times do
+    EM.defer lambda { v = sleep(rand * 2); RandChannel << [Time.now, v] }
+  end
+
+  EM.add_timer(5) { EM.stop }
+end