mod_websocket is an Apache 2.x module that allows developers to write C- and C++-based WebSocket services. The intent is for mod_websocket plugin writers to develop their services independently of the Apache server API.
This is a "dust off the build" release -- the user-facing changes have been in master for four years, but never officially released. One major bug has been fixed, a few minor cleanups have been made, and a new build system for *nix platforms was contributed to the project. I am also dropping testing coverage for the obsolete 2.2 server line, though I won't intentionally break 2.2 features until a future 0.2 release.
= Major New Features/Fixes =
- Extremely fragmented messages no longer cause poor performance and possible DoS conditions. Thanks to Paul Spangler for his fix suggestion! - The CMake build system now supports *nix platforms as well as Windows. Thanks to @toniotelli for the contribution! - The 'MaxMessageSize' directive has been renamed to 'WebSocketMaxMessageSize'; its previous spelling is deprecated and will be removed in the future.
A full changelist can be seen at the release description on GitHub.
= Major Known Issues =
This is a pre-release, zero-dot module. There are known issues that may preclude its use in production systems. Please understand them and take steps to avoid them if you decide to deploy mod_websocket.
- Apache worker threads are completely monopolized by WebSocket connections. This makes it possible for a large number of connections to DoS the server.
A more complete (but not necessarily exhaustive) list is available at the repo page on GitHub:
There's a lot of stuff to do. During my absence from the project, WebSocket has received a transport based on HTTP/2, several optional WebSocket features have seen more mainstream use, and Python 2 was EoL'd. And the existing issues list didn't become any shorter, unfortunately.
Questions? Comments? Let me know. Thanks for your interest!
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