Created
July 27, 2012 21:51
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simplest possible thing..works..pub and sub together
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def do_it | |
#simplest possible thing..works..pub and sub together.. | |
puts "do it.." | |
EventMachine.run do | |
connection = AMQP.connect('amqp://guest:guest@localhost:5672') | |
puts "Connected to AMQP broker. Running #{AMQP::VERSION} version of the gem..." | |
opts = {:durable => true, :ack => true} | |
ex_name = "my.exchange.name" | |
q_name = "myqueue" | |
puts "bleh 1" | |
channel = AMQP::Channel.new(connection) | |
channel.auto_recovery = true | |
if channel.auto_recovering? | |
puts "Channel #{channel.id} IS auto-recovering" | |
end | |
connection.on_tcp_connection_loss do |conn, settings| | |
puts "[network failure] Trying to reconnect..." | |
conn.reconnect(false, 2) | |
end | |
queue = channel.queue(q_name, opts) | |
exchange = channel.fanout(ex_name, opts) | |
puts "bleh 2" | |
queue.bind(exchange) | |
channel.on_error do |ch, channel_close| | |
puts "bleh closing..." | |
puts channel_close.reply_text | |
connection.close { EventMachine.stop } | |
end | |
queue.status do |number_of_messages, number_of_consumers| | |
puts | |
puts "before: # of messages in the queue #{queue.name} = #{number_of_messages}, number_of_consumers = #{number_of_consumers}" | |
puts | |
end | |
queue.subscribe(:ack => true) do |metadata, payload| | |
puts " ** Received a message: #{payload} **\n\n" | |
puts "now acknowledge it.." | |
channel.acknowledge(metadata.delivery_tag, false) | |
end | |
EventMachine.add_periodic_timer(2.0) do | |
message = "pub a message.. #{Time.now}" | |
puts "publishing this: #{message}" | |
exchange.publish(message) | |
end | |
end | |
end |
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