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When reporting the server as not responding, if the hostname was

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supplied, also print the IP address.  This allows IPv4 and IPv6 failures
to be distinguished.  Also useful when a hostname resolves to multiple
IP addresses.

Also, remove use of inet_ntoa() and use our own inet_net_ntop() in all
places, including in libpq, because it is thread-safe.
This commit is contained in:
Bruce Momjian
2010-11-24 17:04:19 -05:00
parent 725d52d0c2
commit ba11258ccb
9 changed files with 313 additions and 250 deletions
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4
doc/src/sgml/libpq.sgml
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@ -170,11 +170,11 @@ PGconn *PQconnectdbParams(const char **keywords, const char **values, int expand
If <literal>host</> is specified without <literal>hostaddr</>,
a host name lookup occurs.
If <literal>hostaddr</> is specified without <literal>host</>,
the value for <literal>hostaddr</> gives the server address.
the value for <literal>hostaddr</> gives the server network address.
The connection attempt will fail in any of the cases where a
host name is required.
If both <literal>host</> and <literal>hostaddr</> are specified,
the value for <literal>hostaddr</> gives the server address.
the value for <literal>hostaddr</> gives the server network address.
The value for <literal>host</> is ignored unless needed for
authentication or verification purposes, in which case it will be
used as the host name. Note that authentication is likely to fail