https://github.com/pma/phoenix_pubsub_rabbitmq

RabbitMQ adapter for Phoenix's PubSub layer
https://github.com/pma/phoenix_pubsub_rabbitmq

Last synced: 3 months ago
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RabbitMQ adapter for Phoenix's PubSub layer

• Host: GitHub
• URL: https://github.com/pma/phoenix_pubsub_rabbitmq
• Owner: pma
• License: mit
• Created: 2015-02-24T22:11:33.000Z (almost 10 years ago)
• Default Branch: master
• Last Pushed: 2015-10-30T04:57:01.000Z (over 9 years ago)
• Last Synced: 2024-10-02T21:17:47.464Z (4 months ago)
• Language: Elixir
• Size: 164 KB
• Stars: 45
• Watchers: 2
• Forks: 23
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
Phoenix Pubsub - RabbitMQ Adapter

=================================

RabbitMQ adapter for the Phoenix framework PubSub layer.

## Usage

Add `phoenix_pubsub_rabbitmq` as a dependency in your `mix.exs` file.

```elixir

def deps do

  [{:phoenix_pubsub_rabbitmq, "0.0.1"}]

end

```

You should also update your application list to include `:phoenix_pubsub_rabbitmq`:

```elixir

def application do

  [applications: [:phoenix_pubsub_rabbitmq]]

end

```

Edit your Phoenix application Endpoint configuration:

      config :my_app, MyApp.Endpoint,

        ...

        pubsub: [name: MyApp.PubSub,

                 adapter: Phoenix.PubSub.RabbitMQ,

                 options: [host: "localhost"]

The following options are supported:

      * `host` - The hostname of the broker (defaults to \"localhost\");

      * `port` - The port the broker is listening on (defaults to `5672`);

      * `username` - The name of a user registered with the broker (defaults to \"guest\");

      * `password` - The password of user (defaults to \"guest\");

      * `virtual_host` - The name of a virtual host in the broker (defaults to \"/\");

      * `heartbeat` - The connection hearbeat interval in seconds (defaults to `0` - turned off);

      * `connection_timeout` - The connection timeout in milliseconds (defaults to `infinity`);

      * `pool_size` - Number of active connections to the broker

## Notes

  * An Exchange is declared with the name of the Phoenix PubSub server (example: MyApp.PubSub)

  * When subscribing to a topic:

      * a Queue with a server assigned name is declared;

      * the Queue is bound to the Exchange using the `topic` as routing key;

      * a consumer process is started. The consumer will ack each message in the Queue as it sends the payload to the subscriber pid;

  * Can be used when distributed Erlang is not an option (like when deploying to Heroku); when RabbitMQ is already a dependency (instead of Redis);

  * Uses RabbitMQ routing mechanism, delivering a message directly to a consumer process