Guide list
Langohr documentation is organized as a number of guides, covering various topics.
We recommend that you read these guides, if possible, in this order:
An overview of Langohr with a quick tutorial that helps you to get started with it. It should take about
15 minutes to read and study the provided code examples.
This guide covers:
- AMQP 0.9.1 model overview
- What are AMQP channels
- What are AMQP vhosts
- What are AMQP queues
- What are AMQP exchanges
- What are AMQP bindings
- What are AMQP 0.9.1 classes and methods
This guide covers:
- How to connect to RabbitMQ with Langohr
- How to use connection URI to connect to RabbitMQ (also: on Heroku)
- How to open a channel
- How to close a channel
- How to disconnect
This guide covers:
- How to declare AMQP queues with Langohr
- Queue properties
- How to declare server-named queues
- How to declare temporary exclusive queues
- How to consume messages ("push API")
- How to fetch messages ("pull API")
- Message and delivery properties
- Message acknowledgements
- How to purge queues
- How to delete queues
- Other topics related to queues
This guide covers:
- Exchange types
- How to declare AMQP exchanges with Langohr
- How to publish messages
- Exchange propreties
- Fanout exchanges
- Direct exchanges
- Topic exchanges
- Default exchange
- Message and delivery properties
- Message routing
- Bindings
- How to delete exchanges
- Other topics related to exchanges and publishing
This guide covers:
- How to bind exchanges to queues
- How to unbind exchanges from queues
- Other topics related to bindings
This guide covers:
- Topics related to durability of exchanges and queues
- Durability of messages
This guide covers:
- AMQP 0.9.1 protocol exceptions
- How to deal with network failures
- Other things that may go wrong
This guide covers:
- How to use TLS (SSL) connections to RabbitMQ with Langohr
This guide covers RabbitMQ extensions and how they are used in Langohr:
- How to use Publishing Confirms with Langohr
- How to set per-queue message TTL
- How to use exchange-to-exchange bindings
- How to the alternate exchange extension
- What are consumer cancellation notifications and how to use them
- Message dead lettering and the dead letter exchange
This guide covers:
- What to check when your apps that use Langohr and RabbitMQ misbehave
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Let us know what was unclear or what has not been covered. Maybe you do not like the guide style or grammar or discover spelling mistakes. Reader feedback is key to making the documentation better.