/usr/share/doc/ruby-amqp/examples/routing/weather_updates.rb is in ruby-amqp 0.9.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #!/usr/bin/env ruby
# encoding: utf-8
require "bundler"
Bundler.setup
$:.unshift(File.expand_path("../../../lib", __FILE__))
require "amqp"
EventMachine.run do
AMQP.connect do |connection|
channel = AMQP::Channel.new(connection)
exchange = channel.topic("pub/sub", :auto_delete => true)
# Subscribers.
channel.queue("", :exclusive => true) do |queue|
queue.bind(exchange, :routing_key => "americas.north.#").subscribe do |metadata, payload|
puts "An update for North America: #{payload}, routing key is #{metadata.routing_key}"
end
end
channel.queue("americas.south").bind(exchange, :routing_key => "americas.south.#").subscribe do |metadata, payload|
puts "An update for South America: #{payload}, routing key is #{metadata.routing_key}"
end
channel.queue("us.california").bind(exchange, :routing_key => "americas.north.us.ca.*").subscribe do |metadata, payload|
puts "An update for US/California: #{payload}, routing key is #{metadata.routing_key}"
end
channel.queue("us.tx.austin").bind(exchange, :routing_key => "#.tx.austin").subscribe do |metadata, payload|
puts "An update for Austin, TX: #{payload}, routing key is #{metadata.routing_key}"
end
channel.queue("it.rome").bind(exchange, :routing_key => "europe.italy.rome").subscribe do |metadata, payload|
puts "An update for Rome, Italy: #{payload}, routing key is #{metadata.routing_key}"
end
channel.queue("asia.hk").bind(exchange, :routing_key => "asia.southeast.hk.#").subscribe do |metadata, payload|
puts "An update for Hong Kong: #{payload}, routing key is #{metadata.routing_key}"
end
# publish a bunch of messages after 1 second, when all queues are declared and bound
EventMachine.add_timer(1) do
exchange.publish("San Diego update", :routing_key => "americas.north.us.ca.sandiego").
publish("Berkeley update", :routing_key => "americas.north.us.ca.berkeley").
publish("San Francisco update", :routing_key => "americas.north.us.ca.sanfrancisco").
publish("New York update", :routing_key => "americas.north.us.ny.newyork").
publish("São Paolo update", :routing_key => "americas.south.brazil.saopaolo").
publish("Hong Kong update", :routing_key => "asia.southeast.hk.hongkong").
publish("Kyoto update", :routing_key => "asia.southeast.japan.kyoto").
publish("Shanghai update", :routing_key => "asia.southeast.prc.shanghai").
publish("Rome update", :routing_key => "europe.italy.roma").
publish("Paris update", :routing_key => "europe.france.paris")
end
show_stopper = Proc.new { connection.close { EventMachine.stop } }
Signal.trap "TERM", show_stopper
EM.add_timer(3, show_stopper)
end
end
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