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Simple AMQP driver for Ruby/EventMachine
  (c) 2008 Aman Gupta (tmm1)
 
  http://github.com/tmm1/amqp
  http://rubyforge.org/projects/amqp
  http://hopper.squarespace.com/blog/2008/7/22/simple-amqp-library-for-ruby.html
  http://groups.google.com/group/ruby-amqp
  http://lists.rabbitmq.com/pipermail/rabbitmq-discuss/2008-July/001417.html

This library works with Ruby 1.8, Ruby 1.9, JRuby and Rubinius, and is licensed under the Ruby License.

This library was tested primarily with RabbitMQ, although it should be compatible with any
server implementing the AMQP 0-8 spec.

To use with RabbitMQ, first run the server:

  hg clone http://hg.rabbitmq.com/rabbitmq-codegen
  hg clone http://hg.rabbitmq.com/rabbitmq-server
  cd rabbitmq-server
  make run

To get started, refer to the various bundled examples:

  ruby examples/mq/pingpong.rb   # 1-1 communication using amq.direct
  ruby examples/mq/clock.rb      # 1-N communication using amq.fanout
  ruby examples/mq/stocks.rb     # 1-subscriber communication using amq.topic

  ruby examples/mq/multiclock.rb # header based routing (new rabbitmq feature)
  ruby examples/mq/ack.rb        # using ack
  ruby examples/mq/pop.rb        # pop off messages one at a time

  ruby examples/mq/hashtable.rb  # simple async rpc layer
  ruby examples/mq/primes.rb 4   # parallelized prime number generation
  ruby examples/mq/logger.rb     # simple logging api

For more details into the lower level AMQP client API, run the simple client example:

  ruby examples/amqp/simple.rb   # low-level AMQP api
  ruby examples/mq/internal.rb   # low-level Queue/Exchange api

Or refer to protocol/doc.txt, which enumerates packets sent between a server and client
during a typical session, in both binary and decoded formats.

To run the test suite:

  rake spec

The lib/amqp/spec.rb file is generated automatically based on the AMQP specification. To generate it:

  rake codegen

This project was inspired by py-amqplib, rabbitmq, qpid and rubbyt.
Special thanks to Dmitriy Samovskiy, Ben Hood and Tony Garnock-Jones.

AMQP resources:

  Servers:
    RabbitMQ (Rabbit Technologies, Erlang/OTP, MPL) - http://rabbitmq.com
    ZeroMQ   (iMatix/FastMQ/Intel, C++, GPL3)       - http://www.zeromq.org
    OpenAMQ  (iMatix, C, GPL2)                      - http://openamq.org
    ActiveMQ (Apache Foundation, Java, apache2)     - http://activemq.apache.org

  Steve Vinoski explains AMQP in his column, Towards Integration
    http://steve.vinoski.net/pdf/IEEE-Advanced_Message_Queuing_Protocol.pdf

  John O'Hara on the history of AMQP
    http://www.acmqueue.org/modules.php?name=Content&pa=showpage&pid=485

  Dmitriy's presentation on RabbitMQ/AMQP
    http://somic-org.homelinux.org/blog/2008/07/31/slides-for-my-amqprabbitmq-talk/

  ZeroMQ's analysis of the messaging technology market
    http://www.zeromq.org/whitepapers:market-analysis

  Pieter Hintjens's background to AMQP
    http://www.openamq.org/doc:amqp-background

  Barry Pederson's py-amqplib
    http://barryp.org/software/py-amqplib/

  Ben Hood on writing an AMQP client
    http://hopper.squarespace.com/blog/2008/6/21/build-your-own-amqp-client.html

  Dmitriy Samovskiy introduces Ruby + QPid + RabbitMQ
    http://somic-org.homelinux.org/blog/2008/06/24/ruby-amqp-rabbitmq-example/

  Ben Hood's as3-amqp
    http://github.com/0x6e6562/as3-amqp
    http://hopper.squarespace.com/blog/2008/7/4/server-side-as3.html
    http://hopper.squarespace.com/blog/2008/3/24/as3-amqp-client-first-cut.html

  RabbitMQ's protocol code generator
    http://hg.rabbitmq.com/rabbitmq-codegen/

  Erlang Exchange presentation on the implementation of RabbitMQ
    http://skillsmatter.com/podcast/erlang/presenting-rabbitmq-an-erlang-based-implementatio-nof-amqp
    http://www.lshift.net/blog/2008/07/01/slides-from-our-erlang-exchange-talk

  Jonathan Conway's series on RabbitMQ and using it with Ruby/Merb
    http://jaikoo.com/2008/3/20/daemonize-rabbitmq
    http://jaikoo.com/2008/3/14/oh-hai-rabbitmq
    http://jaikoo.com/2008/2/29/friday-round-up-2008-02-29
    http://jaikoo.com/2007/9/4/didn-t-you-get-the-memo

  Open Enterprise's series on messaging middleware and AMQP
    http://www1.interopsystems.com/analysis/can-amqp-break-ibms-mom-monopoly-part-1.html
    http://www1.interopsystems.com/analysis/can-amqp-break-ibms-mom-monopoly-part-2.html
    http://www1.interopsystems.com/analysis/can-amqp-break-ibms-mom-monopoly-part-3.html

Messaging and distributed systems resources:

  A Critique of the Remote Procedure Call Paradigm
    http://www.cs.vu.nl/~ast/publications/euteco-1988.pdf

  A Note on Distributed Computing
    http://research.sun.com/techrep/1994/smli_tr-94-29.pdf

  Convenience Over Correctness
    http://steve.vinoski.net/pdf/IEEE-Convenience_Over_Correctness.pdf

  Metaprotocol Taxonomy and Communications Patterns
    http://hessian.caucho.com/doc/metaprotocol-taxonomy.xtp

  Joe Armstrong on Erlang messaging vs RPC
    http://armstrongonsoftware.blogspot.com/2008/05/road-we-didnt-go-down.html

  SEDA: scalable internet services using message queues
    http://www.eecs.harvard.edu/~mdw/papers/seda-sosp01.pdf