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libpq can now talk to either 3.0 or 2.0 protocol servers. It first tries

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protocol 3, then falls back to 2 if postmaster rejects the startup packet
with an old-format error message.  A side benefit of the rewrite is that
SSL-encrypted connections can now be made without blocking.  (I think,
anyway, but do not have a good way to test.)
This commit is contained in:
Tom Lane
2003-06-08 17:43:00 +00:00
parent 152ce7a490
commit 6bdb7aa4db
13 changed files with 3334 additions and 1554 deletions
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32
src/backend/libpq/ip.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/ip.c,v 1.7 2003/04/22 03:52:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/ip.c,v 1.8 2003/06/08 17:42:59 tgl Exp $
*
* This file and the IPV6 implementation were initially provided by
* Nigel Kukard <nkukard@lbsd.net>, Linux Based Systems Design
@ -72,27 +72,29 @@ getaddrinfo2(const char *hostname, const char *servname,
/*
* freeaddrinfo2 - free IPv6 addrinfo structures
* freeaddrinfo2 - free addrinfo structures for IPv4, IPv6, or Unix
*/
void
freeaddrinfo2(int hint_ai_family, struct addrinfo *ai)
freeaddrinfo2(struct addrinfo *ai)
{
#ifdef HAVE_UNIX_SOCKETS
if (hint_ai_family == AF_UNIX)
if (ai != NULL)
{
struct addrinfo *p;
while (ai != NULL)
#ifdef HAVE_UNIX_SOCKETS
if (ai->ai_family == AF_UNIX)
{
p = ai;
ai = ai->ai_next;
free(p->ai_addr);
free(p);
while (ai != NULL)
{
struct addrinfo *p = ai;
ai = ai->ai_next;
free(p->ai_addr);
free(p);
}
}
}
else
else
#endif /* HAVE_UNIX_SOCKETS */
freeaddrinfo(ai);
freeaddrinfo(ai);
}
}