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
|
#!/usr/bin/env ruby
# encoding: utf-8
require "bundler"
Bundler.setup
$:.unshift(File.expand_path("../../../lib", __FILE__))
require 'bunny'
HIGH_PRIORITY_Q = "bunny.examples.priority.hilo.high"
LOW_PRIORITY_Q = "bunny.examples.priority.hilo.low"
conn = Bunny.new(heartbeat_timeout: 8)
conn.start
ch1 = conn.create_channel
ch2 = conn.create_channel
hi_q = ch1.queue(HIGH_PRIORITY_Q, :durable => false)
lo_q = ch2.queue(LOW_PRIORITY_Q, :durable => false)
ch3 = conn.create_channel
x = ch3.default_exchange
# create a backlog of low priority messages
30.times do
x.publish(rand.to_s, :routing_key => LOW_PRIORITY_Q)
end
# and a much smaller one of high priority messages
3.times do
x.publish(rand.to_s, :routing_key => HIGH_PRIORITY_Q)
end
hi_q.subscribe do |delivery_info, metadata, payload|
puts "[high] Consumed #{payload}"
end
lo_q.subscribe do |delivery_info, metadata, payload|
puts "[low] Consumed #{payload}"
end
loop do
sleep 0.5
data = rand.to_s
rk = [HIGH_PRIORITY_Q, LOW_PRIORITY_Q].sample
x.publish(data, :routing_key => rk)
puts "Published #{data}, routing key: #{rk}"
end
|