On Wed, Apr 17, 2013 at 01:08:18PM -0600, Mike Roest wrote:
> Hi There,
> I'm having a bit of an issue finding a C function to fetch the configured
> server port from a C module.
>
> We have written a C module to allow for remote clients to call a function to
> run pg_dump/pg_restore remotely but create files locally on the db server.
>
> Currently it works fine if the client connects through a network socket as
> we're using inet_server_port to get the port to pass onto pg_dump/restore.
> But
> if the client is connected through a unix socket (actually a remote client
> connecting to pgbouncer which is connecting to postgres though the unix
> socket)
> inet_server_port is null. I've looked for a function that we can use to get
> the configured server port but haven't had any luck.
>
> I could hard code the port in the module when we build it but it would be nice
> to be able to change the configured postgres port and not have to rebuild the
> module.
Well, there are technically no _ports_ in unix-domain sockets. However,
the TCP port number is used to construct the socket file; I think you
can use the simple "port" server-side variable for this; does this help
you?
test=> SELECT setting FROM pg_settings WHERE name = 'port';
setting
---------
5432
(1 row)
--
Bruce Momjian <br...@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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