Question 1

How to build an HTTP/2 server with the http-2 gem in Ruby?

Accepted Answer

Use the HTTP2::Server class, set up a transport layer like TCP sockets, feed data into the parser, and handle callbacks for streams and events. The README provides a basic server example with stream lifecycle management.

Question 2

http-2 gem vs faraday for HTTP/2 in Ruby?

Accepted Answer

The http-2 gem is a low-level protocol implementation requiring custom transport setup, while Faraday is a high-level HTTP client library with adapters. Use http-2 for full control over HTTP/2 features; Faraday is better for standard API calls with less complexity.

Question 3

Does the http-2 library support SSL/TLS for secure connections?

Accepted Answer

No, it's transport-agnostic and does not include SSL/TLS handling. You must implement secure transport separately, such as using OpenSSL with TCP sockets, which adds implementation effort.

Question 4

How to handle flow control and prioritization in http-2?

Accepted Answer

The library automatically manages flow control windows but requires you to emit window updates using conn.window_update or stream.window_update. Prioritization is set via stream priority values and can be updated with reprioritize, as shown in the README.

Question 5

Can I use http-2 with Rails or Sinatra?

Accepted Answer

Direct integration isn't provided; you would need to build custom middleware or adapters. It's more suited for standalone clients, servers, or proxies rather than seamless framework integration.

Question 6

Is the http-2 gem production-ready and maintained?

Accepted Answer

It has CI badges and recent updates, but being a low-level library, it requires thorough testing and customization for production use. Check GitHub for issue activity and community support to gauge maintenance.

Http-2

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