In a previous patch, we noticed that the header file <gm/inet_address.hh>,
which is included, directly or indirectly, by most source files,
includes <seastar/net/ip.hh> which is very slow to compile, and
replaced it by the much faster-to-include <seastar/net/ipv[46]_address.hh>.
However, we also included <seastar/net/ip.hh> in types.hh - and that
too is included by almost every file, so the actual saving from the
above patch was minimal. So in this patch we replace this include too.
After this patch Scylla does not include <seastar/net/ip.hh> at all.
According to ClangBuildAnalyzer, this reduces the average time to include
types.hh (multiply this by 312 times!) from 4 seconds to 1.8 seconds,
and reduces total build time (dev mode) by about 3%.
Some of the source files were now missing some include directives, that
were previously included in ip.hh - so we need to add those explicitly.
Signed-off-by: Nadav Har'El <nyh@scylladb.com>
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