[pgpool-committers: 10088] pgpool: Add IPv6 support for hostname and heartbeat_hostname parameter.

[Tatsuo Ishii]

Add IPv6 support for hostname and heartbeat_hostname parameter.

Now these watchdog configuration parameters accept IPv6 IP address.

Author: Kwangwon Seo
Reviewed-by: Muhammad Usama, Tatsuo Ishii
Discussion: [pgpool-hackers: 4476] Watchdog and IPv6
https://www.pgpool.net/pipermail/pgpool-hackers/2024-July/004477.html

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=65dbbe7a0fda8d2b5cc2d41b071e2ffeab751db9

Modified Files
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doc.ja/src/sgml/watchdog.sgml |   8 +-
doc/src/sgml/watchdog.sgml    |   4 +-
src/watchdog/watchdog.c       | 322 ++++++++++++++++++++++-------------
src/watchdog/wd_heartbeat.c   | 388 +++++++++++++++++++++++++++++++-----------
4 files changed, 504 insertions(+), 218 deletions(-)