Cutelyst 2.2.0 is out

Cutelyst just got a new release!

Thanks to the release of Virtlyst – a web manager for virtual machines, several bugs were found and fixed in Cutelyst, the most important one in this release is the WebSockets implementation that broke due the addition of HTTP/2 to cutelyst-wsgi2.

Fixing this was quite interesting as when I fixed the issue the first time, it started to make deleteLater() calls on null objects which didn’t crash but since Qt warn’s you about that it was hurting performance. Then I fixed the deleteLater() calls and WebSockets broke again 🙂 a little of gdb foo and I found out that when I asked for the websocket to close Qt was emitting disconnected as a result of that call, and that signal was deleting the object we rely when we called close, which crashed the app.

As a new feature Context class has two new methods to help with async apps, a wait() method that creates a counter based local event loop and a next() method to decrease the event loop counter till quitting it. This way you can for example connect two QNetworkReply::finished() signals to Context::next() and call Context::wait(2); so once the two requests are finished wait() returns and the client receives the data.

Codacy was also added to increase the number of checks in our code base, and it has already shown some real issues.

UPDATE: Right after release I found a cppcheck code fix broke listening on TCP sockets, yes, writing more unit tests especially for the WSGI module is top on my TODO list. So 2.2.1 is out now 🙂

Get it here https://github.com/cutelyst/cutelyst/releases/tag/v2.2.1

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Cutelyst 2.2.0 is out

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