Karel Slaný authored 8 years ago and Ondřej Surý committed 8 years ago

Use ENABLE_cookies=yes variable to compile functionality.

Karel Slaný authored 8 years ago and Ondřej Surý committed 8 years ago

Cookies are not stored in separate cache.

Karel Slaný authored 8 years ago and Ondřej Surý committed 8 years ago

The cookies layer injects a new query into the plan when a DADCOOKIE
response is detected. After failing the second attempt a TCP fallback is
signalised.

Karel Slaný authored 8 years ago and Ondřej Surý committed 8 years ago

The source address was always put into a subsequent query.

Karel Slaný authored 8 years ago and Ondřej Surý committed 8 years ago

This simplifies the response source identification on the cookie module.

this caused a bug in pseudo-lru table that negated
stickiness of values to table slots

If stdout is buffered, kr_log_info() might take ages to show up in the
output stream.  Since this stream could be interleaved with stderr
(e.g. kr_log_error()), it would be good to be able to see the messages
in the order in which they are generated.

Marek Vavrusa authored 8 years ago and Ondřej Surý committed 8 years ago

there are cases where switches or middle-boxes
block DNS/UDP answers >512 octets completely,
this gives user an option to mitigate that.
however, there are authoritatives serving
large answers that don't support TCP, so it's
a compromise as always