* feat: allow binding to unix domain sockets
this is useful when the user does not want to expose more tcp ports than
needed. also simplifes configuration in some situation, like with nixos
modules as the socket paths can be automatically configured.
docs updated with additional configuration flags.
Signed-off-by: Cassie Cheung <me@soopy.moe>
* feat: graceful shutdown and cleanup on signal
this is needed to clean up left-over unix sockets, else on the next boot
listener panics with `address already in use`.
Co-authored-by: cat <cat@gensokyo.uk>
Signed-off-by: Cassie Cheung <me@soopy.moe>
* feat: support unix socket upstream targets
adds support for proxying unix socket upstreams, essentially allowing
anubis to run without listening on tcp sockets at all*.
*for metrics, neither prometheus and victoriametrics supports scraping
from unix sockets. if metrics are desired, tcp sockets are still needed.
Co-authored-by: cat <cat@gensokyo.uk>
Signed-off-by: Cassie Cheung <me@soopy.moe>
* docs: add changelog entry
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Signed-off-by: Cassie Cheung <me@soopy.moe>
Co-authored-by: cat <cat@gensokyo.uk>
* cmd/anubis: drastically optimize proof of work
Closes#12Closes#17
This drastically optimizes the proof of work check by removing the
stringify call at every iteration. Additionally, this optimizes the
checks by running them in parallel for as many threads as the browser
has available (according to navigator.hardwareConcurrency).
This also changes the redirect lag to 250 milliseconds instead of 2000
milliseconds in order to be perceptually faster. This is below the
reaction time threshold of many people, so this will make the post-check
success phase perceptually instant.
Testing on an iPhone 7 Plus has shown that this can clear a difficulty 4
check in 3.4 seconds.
This actually optimizes the check so much it may be a logistical concern
for operators.
* cmd/anubis/js: fix happy cachebuster logic
Signed-off-by: Xe Iaso <me@xeiaso.net>
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Signed-off-by: Xe Iaso <me@xeiaso.net>
