Sebastiaan van Stijn a5f45b47a3 libnetwork: Controller: combine iptablesEnabled and ip6tablesEnabled ...

These functions were mostly identical, except for iptables being enabled
by default (unless explicitly disabled by config).

Rewrite the function to a enabledIptablesVersions, which returns the list
of iptables-versions that are enabled for the controller. This prevents
having to acquire a lock twice, and simplifies arrangeUserFilterRule, which
can now just iterate over the enabled versions.

Also moving this function to a linux-only file, as other platforms don't have
the iptables types defined.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

2023-07-21 20:08:53 +02:00

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