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Package stork
Short Description Virge::Stork is a library to help with PHP Based WebSockets, offering an abstraction above Ratchet to provide easy of implementation, horizontally scalable services, and per-topic subscription authentication
License MIT
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Informations about the package stork
Virge::Stork
Virge::Stork is a collection of services/components that provide a nice wrapper around Thruway (https://github.com/voryx/Thruway) that provides a horizontally scalable websocket architecture, and per topic subscription authentication for WAMP v2.
Architecture
Virge::Stork provides a scalable architecture that allows you to scale your websocket servers, and webservers independently, as well as support for load balancing of websocket servers.
Publish Server
Virge::Stork provides a ZMQ Publish server. This server subscribes to all available Websocket Servers, and will broadcast every push notification to all websocket servers.
Websocket Client
The websocket client subscribes to the ZMQ Publish server, when receiving messages from the ZMQ Publish Server it broadcasts to all subscribed.
Authentication Client
The Auth Client handles the authentication of clients, and their topic subscriptions.
Crossbar.io or other WAMP Router
Usage requires using crossbar.io or another compliant WAMP Router. Stork depends on a role that allows it to register two Procedures
io.virge.stork.auth Used to provide basic ticket authentication to clients
io.virge.stork.topic_auth Used to determine if the client can subscribe to a given topic
Topics
Topics are a URI that follows the format:
They are declared in Stork, and optionally attached to verifiers.
The declared topics do not include the feedId, this is passed in by the client upon connection. It will be passed to the verifier and can be used in determining if the user can subscribe.
Authenticator
Virge::Stork provides the ability to have a custom authenticator callback for initial websocket connection. This authenticator should set the authId to a valid string (usually the UserId of the user connection)
This authId will be used in the topic authentication
RPC *alpha
Virge::Stork provides the ability to register and call RPC methods. You start with a MethodController that will then register available RPC methods.
Checkout examples/simple/rpc_caller.php and rpc_provider.php for an example.
Running Examples
From within examples/simple you'll need to start 3 processes:
You will also need to start a crossbar.io server, an example configuration is provided within examples/simple:
We can also start our webserver within that directory:
Editing services.php will allow you to configure ports, and hostnames.
You should be able to visit http://localhost:9000 and it should attempt to connect to the websocket. Opening up the console will show debug information, and any connection errors.
You can then send push messages using:
All versions of stork with dependencies
virge/cli Version ~4.0
react/zmq Version ^0.3
voryx/thruway Version ^0.5.2
virge/events Version ^3.0