/usr/share/doc/ruby-bunny/examples/simple_topic_08.rb is in ruby-bunny 0.7.8-1.
This file is owned by root:root, with mode 0o644.
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# simple_topic_08.rb
# Assumes that target message broker/server has a user called 'guest' with a password 'guest'
# and that it is running on 'localhost'.
# If this is not the case, please change the 'Bunny.new' call below to include
# the relevant arguments e.g. b = Bunny.new(:user => 'john', :pass => 'doe', :host => 'foobar')
$:.unshift File.dirname(__FILE__) + '/../lib'
require 'bunny'
b = Bunny.new
# start a communication session with the amqp server
b.start
# declare queues
soccer = b.queue('topic_soccer')
cricket = b.queue('topic_cricket')
rugby = b.queue('topic_rugby')
allsport = b.queue('topic_allsport')
# create a topic exchange
sports_results = b.exchange('sports_results', :type => :topic)
# bind the queues to the exchange
soccer.bind(sports_results, :key => 'soccer.*')
cricket.bind(sports_results, :key => 'cricket.*')
rugby.bind(sports_results, :key => 'rugby.*')
allsport.bind(sports_results, :key => '*.result')
# publish messages to the exchange
sports_results.publish('Manchester United 1 : Hull City 4', :key => 'soccer.result')
sports_results.publish('England beat Australia by 5 wickets in first test', :key => 'cricket.result')
sports_results.publish('British Lions 15 : South Africa 12', :key => 'rugby.result')
# get message from the queues
# soccer queue got the soccer message
msg = soccer.pop[:payload]
puts 'This is a message from the soccer q: ' + msg + "\n\n"
# cricket queue got the cricket message
msg = cricket.pop[:payload]
puts 'This is a message from the cricket q: ' + msg + "\n\n"
# rugby queue got the rugby message
msg = rugby.pop[:payload]
puts 'This is a message from the rugby q: ' + msg + "\n\n"
# allsport queue got all of the messages
until msg == :queue_empty do
msg = allsport.pop[:payload]
puts 'This is a message from the allsport q: ' + msg + "\n\n" unless msg == :queue_empty
end
# close the client connection
b.stop
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