Pingora 0.3.0

0.3.0 - 2024-07-12

🚀 Features

• Add support for HTTP modules. This feature allows users to import modules written by 3rd parties.
• Add request_body_filter. Now request body can be inspected and modified.
• Add H2c support.
• Add TCP fast open support.
• Add support for server side TCP keep-alive.
• Add support to get TCP_INFO.
• Add support to set DSCP.
• Add or_err()/or_err_with API to convert Options to pingora::Error.
• Add or_fail() API to convert impl std::error::Error to pingora::Error.
• Add the API to track socket read and write pending time.
• Compression: allow setting level per algorithm.

🐛 Bug Fixes

• Fixed a panic when using multiple H2 streams in the same H2 connection to upstreams.
• Pingora now respects the Connection header it sends to upstream.
• Accept-Ranges header is now removed when response is compressed.
• Fix ipv6_only socket flag.
• A new H2 connection is opened now if the existing connection returns GOAWAY with graceful shutdown error.
• Fix a FD mismatch error when 0.0.0.0 is used as the upstream IP

⚙️ Changes and Miscellaneous Tasks

• Dependency: replace structopt with clap
• Rework the API of HTTP modules
• Optimize remove_header() API call
• UDS parsing now requires the path to have unix: prefix. The support for the path without prefix is deprecated and will be removed on the next release.
• Other minor API changes