amqp-client

An AMQP 0-9-1 client for Crystal.

Installation

1. Add the dependency to your shard.yml:

dependencies:
  amqp-client:
    github: cloudamqp/amqp-client.cr

2. Run shards install

Usage

require "amqp-client"

AMQP::Client.start("amqp://guest:guest@localhost") do |c|
  c.channel do |ch|
    q = ch.queue("my-queue")
    q.subscribe(no_ack: false) do |msg|
      puts "Received: #{msg.body_io.to_s}"
      ch.basic_ack(msg.delivery_tag)
    end

    # publish directly to a queue without confirm
    q.publish "msg"

    # publish directly to a queue, blocking while waiting for confirm
    q.publish_confirm "msg"

    # publish to any exchange/routing-key
    ch.basic_publish "msg", exchange: "amq.topic", routing_key: "a"

    # publish to any exchange/routing-key and wait for confirm
    ch.basic_publish_confirm "msg", exchange: "amq.topic", routing_key: "a"
  end
end

Contributing

1. Fork it (https://github.com/cloudamqp/amqp-client.cr/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Carl Hörberg - creator and maintainer
• Anders Bälter