#!/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