Async is a composable asynchronous I/O framework for Ruby based on io-event and timers.

"Lately I've been looking into async, as one of my projects – tus-ruby-server – would really benefit from non-blocking I/O. It's really beautifully designed." – janko

Features

• Scalable event-driven I/O for Ruby. Thousands of clients per process!
• Light weight fiber-based concurrency. No need for callbacks!
• Multi-thread/process containers for parallelism.
• Growing eco-system of event-driven components.

Usage

Please see the project documentation for more details.

• Getting Started - This guide gives shows how to add async to your project and run code asynchronously.

• Asynchronous Tasks - This guide explains how asynchronous tasks work and how to use them.

• Event Loop - This guide gives an overview of how the event loop is implemented.

• Compatibility - This guide gives an overview of the compatibility of Async with Ruby and other frameworks.

• Best Practices - This guide gives an overview of best practices for using Async.

Contributing

We welcome contributions to this project.

1. Fork it.
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 new Pull Request.

See Also

• async-io — Asynchronous networking and sockets.
• async-http — Asynchronous HTTP client/server.
• async-process — Asynchronous process spawning/waiting.
• async-websocket — Asynchronous client and server websockets.
• async-dns — Asynchronous DNS resolver and server.
• async-rspec — Shared contexts for running async specs.

Projects Using Async

• ciri — An Ethereum implementation written in Ruby.
• falcon — A rack compatible server built on top of async-http.
• rubydns — An easy to use Ruby DNS server.
• slack-ruby-bot — A client for making slack bots.