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Minion

A simplified client the WAMP v2 protocol (Web Application Messaging Protocol) with a handy command line tool - PHP WebSocket made easy.

Based on the great work put together by Thruway, Minion will give you the simplicity and flexibility of running minion run and get a client running in no time. In addition to helping you structure your application. See How It Works for details.

For a jump-start head over to the Quick Start Guide or read on for detailed docs. Or you may take a look at the Examples to get an idea about how this works.

Installation

Composer

Add the following to require in composer.json

Then run composer update to install.

Laravel Bounties

• Add Vinelab\Minion\MinionServiceProvider to the providers array in your app.php and you'll have a Minion facade available throught your project.
• The command line tool is available through artisan as php artisan minion:run see CLI
• Run php artisan vendor:publish and head to app/config/minion.php to configure your minion.

Configuration

Configure the connection parameters you want your client to use when it connects to a WAMP router.

Router

Provider Registration

You may also find it useful to list the providers in the config as such:

In existing applications it may be useful to be re-use an existing ReactPHP loop. You can pass in a LoopInterface like so:

Usage

The idea behind Minion is to help structure your application and get it ready for scale with real-time communication by using providers to register RPCs and publish and subscribe to topics with predefined functionalities to make things quick. For more about RPCs and Pub/Sub see Introduction to WAMP programming

How It Works

WAMP is a protocol that defines a Router that handles connections of clients, your application is one of these clients and the application logic is implemented within providers which you can register with Minion using the register($provider) method. A provider can be the name of a class (full namespace if applicable) or a Closure.

Consider the following directory structure:

Provider Classes

• Provider classes is where your application logic resides, Minion uses topic prefixes as a convention to distinguish providers and that is done by specifying a protected $prefix = 'topic.prefix.'; in your provider class.

  It is a convention to use dot '.' separated prefixes such as chat. which will result in topic read end up being chat.read

• Every provider class must extend Vinelab\Minion\Provider and implement public function boot() method which is the best place to have your registrations and pub/sub operations.

• Every method registered or subscribed will receive the $args and $data when involved. Consider this method

  • $args is the array of the args passed from the call
  • $data is a Dictionary instance where you can safely access attributes like $data->something and when they don't exist you get a null value instead of an error as in StdClass objects, though you may use the $data variable as you would use any other object with isset($data->prop) and empty($data->prop)

• src/ChatProvider.php

• start.php

Closures as Providers

• start.php

CLI

Minion comes with a handy command line tool for usage straight from the command line. Once you install using composer a minion binary will be in your vendor/bin/. To make things easier you can run export PATH="./vendor/bin:$PATH" to use minion run straight instead of ./vendor/bin/minion run

use minion list for a list of available commands and minion --help [command] for more info about each of them.

Commands

• run
  • Options
    • --realm: Specify WAMP realm to be used
    • --host: Specify the router host
    • --port: Specify the router port
    • --register: Register provider classes (can be used multiple times)
  • Example minion run --realm=chatting --port=9876 --register="ChatProvider" --register="MyApp\Providers\NotificationsProvider"

Crossbar.io

Minion ships with a minimal crossbar.io config file which you can find at ./vendor/vinelab/minion/.crossbar/config.json and to start crossbar using it run crossbar start --cbdir ./vendor/vinelab/minion/.crossbar

To get started with Crossbar visit the Quick Start with Crossbar.io Guide.

For more information about crossbar head over to Crossbar.io Quick Start.

Contributing

Pull Requests are most welcome! Dev packages are specified in composer.json under require-dev

• Run tests with ./vendor/bin/phpunit
• Coding standards must be checked before committing code by issuing: ./vendor/bin/phpcs --standard=phpcs.xml src
• In the case of violations use ./vendor/bin/php-cs-fixer fix src which will help solve them out

License

Minion is distributed under the MIT License, see the LICENSE file in this package.