Changelog

All notable changes to this project will be documented in this file.

0.3.0 - 2024-07-12

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.

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

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

Add support for downstream h2 trailers and add an upstream h2 response trailer filter
Add the ability to set TCP recv buf size
Add a convenience function to retrieve Session digest
Add body_bytes_read() method to Session
Add cache_not_modified_filter
Add SSLKEYLOG support for tls upstream
Add Service<HttpProxy<T>> constructor for providing name
Add purge_response callback
Make pop_closed pub, to simplify DIY drains

API change: Server::run_forever now takes ownership and ensures exit semantics
API change: cleanup() method of ServerApp trait is now async
Behavior change: Always return HttpTask::Body on body done instead of HttpTask::done
Behavior change: HTTP/1 reason phrase is now parsed and proxied
Updated h2 dependency for RUSTSEC-2024-0332
Updated zstd dependencies
Code optimization and refactor in a few crates
More examples and docs

Server::new now accepts Into<Option<T>>
Implemented client HttpSession::get_keepalive_values for Keep-Alive parsing
Expose ListenFds and Fds to fix a voldemort types issue
Expose config options in ServerConf, provide new Server constructor
upstream_response_filter now runs on upstream 304 responses during cache revalidation
Added server_addr and client_addr APIs to Session
Allow body modification in response_body_filter
Allow configuring grace period and graceful shutdown timeout
Added TinyUFO sharded skip list storage option

Fixed build failures with the boringssl feature
Fixed compile warnings with nightly Rust
Fixed an issue where Upgrade request bodies might not be handled correctly
Fix compilation to only include openssl or boringssl rather than both
Fix OS read errors so they are reported as ReadError rather than ReadTimeout when reading http/1.1 response headers