Sock::Drawer

This gem allows message async message calls to subscribed listeners. Messages can be fired between ruby objects or to websocket connections.

Installation

Add this line to your application's Gemfile:

gem 'sock-drawer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install sock-drawer

Usage

Initialize a instance of the sock-drawer client

sock = Sock::Client.new(logger: Rails.logger, redis: redis)

Publishing

Publish an event on a channel,

sock.pub("my message", channel: "my-channel")

or publish to all channels,

sock.pub("my message")

Receiving in Javascript

To capture the event in Javascript use something like,

var webSocket = new WebSocket("ws://" + location.hostname + ":8081/" + "my-channel");

webSocket.onmessage = function(event) {
  console.log(event.data);
}

Subscribing

Create a class to handle redis events like,

class MyListener
  include Sock::Subscriber

  on 'echo' do |msg|
    msg
  end
end

Then register your listener with the server

Sock::Server.new(listener: MyListener)

Whenever an event is fired on the sock-hook/echo channel the block will be executed.

Configuration

you can configure your sock server to run as a rake task like,

namespace :sock do
  desc 'start the sock-drawer server to manage socket connections'
  task :server do
    Sock::Server.new.start!
  end
end

Then run it with rake sock:server Current supported configuration options:

keyword arg	default
name	'sock-hook'
logger	Logger.new(STDOUT)
socket_params	{ host: '0.0.0.0', port: 8020 }
mode	'default'
listener	N/A

Wish List

• Right now all configuration is passed into new, it would be nice to read from a config file
• There isn't a way of having multiple event handlers. Should be easy to pass multiple in or intelligently find them (given some convention)

And you are good to go!

Contributing

1. Fork it ( https://github.com/[my-github-username]/sock-drawer/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

Running the tests

if you are going to contribute, I hope you run the tests at least once -- hopefully many times. to run the tests, you must have redis-server running in the background with default configuration.