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Support tcp_keepalives_idle option on Solaris.
Turns out that the socket option for this is named TCP_KEEPALIVE_THRESHOLD,
at least according to the tcp(7P) man page for Solaris 11. (But since that
text refers to "SunOS", it's likely pretty ancient.) It appears that the
symbol TCP_KEEPALIVE does get defined on that platform, but it doesn't
seem to represent a valid protocol-level socket option. This leads to
bleats in the postmaster log, and no tcp_keepalives_idle functionality.
Per bug #14720 from Andrey Lizenko, as well as an earlier report from
Dhiraj Chawla that nobody had followed up on. The issue's been there
since we added the TCP_KEEPALIVE code path in commit 5acd417c8
, so
back-patch to all supported branches.
Discussion: https://postgr.es/m/20170627163757.25161.528@wrigleys.postgresql.org
This commit is contained in:
parent
9c7dc89282
commit
f0256c774d
src
@ -1676,7 +1676,7 @@ pq_setkeepaliveswin32(Port *port, int idle, int interval)
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int
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pq_getkeepalivesidle(Port *port)
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{
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#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPALIVE) || defined(WIN32)
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#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPALIVE_THRESHOLD) || defined(TCP_KEEPALIVE) || defined(WIN32)
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if (port == NULL || IS_AF_UNIX(port->laddr.addr.ss_family))
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return 0;
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@ -1688,7 +1688,8 @@ pq_getkeepalivesidle(Port *port)
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#ifndef WIN32
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ACCEPT_TYPE_ARG3 size = sizeof(port->default_keepalives_idle);
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#ifdef TCP_KEEPIDLE
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#if defined(TCP_KEEPIDLE)
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/* TCP_KEEPIDLE is the name of this option on Linux and *BSD */
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if (getsockopt(port->sock, IPPROTO_TCP, TCP_KEEPIDLE,
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(char *) &port->default_keepalives_idle,
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&size) < 0)
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@ -1696,7 +1697,17 @@ pq_getkeepalivesidle(Port *port)
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elog(LOG, "getsockopt(TCP_KEEPIDLE) failed: %m");
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port->default_keepalives_idle = -1; /* don't know */
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}
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#else
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#elif defined(TCP_KEEPALIVE_THRESHOLD)
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/* TCP_KEEPALIVE_THRESHOLD is the name of this option on Solaris */
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if (getsockopt(port->sock, IPPROTO_TCP, TCP_KEEPALIVE_THRESHOLD,
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(char *) &port->default_keepalives_idle,
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&size) < 0)
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{
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elog(LOG, "getsockopt(TCP_KEEPALIVE_THRESHOLD) failed: %m");
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port->default_keepalives_idle = -1; /* don't know */
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}
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#else /* must have TCP_KEEPALIVE */
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/* TCP_KEEPALIVE is the name of this option on macOS */
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if (getsockopt(port->sock, IPPROTO_TCP, TCP_KEEPALIVE,
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(char *) &port->default_keepalives_idle,
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&size) < 0)
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@ -1704,7 +1715,7 @@ pq_getkeepalivesidle(Port *port)
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elog(LOG, "getsockopt(TCP_KEEPALIVE) failed: %m");
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port->default_keepalives_idle = -1; /* don't know */
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}
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#endif /* TCP_KEEPIDLE */
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#endif /* KEEPIDLE/KEEPALIVE_THRESHOLD/KEEPALIVE */
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#else /* WIN32 */
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/* We can't get the defaults on Windows, so return "don't know" */
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port->default_keepalives_idle = -1;
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@ -1723,7 +1734,8 @@ pq_setkeepalivesidle(int idle, Port *port)
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if (port == NULL || IS_AF_UNIX(port->laddr.addr.ss_family))
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return STATUS_OK;
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#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPALIVE) || defined(SIO_KEEPALIVE_VALS)
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/* check SIO_KEEPALIVE_VALS here, not just WIN32, as some toolchains lack it */
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#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPALIVE_THRESHOLD) || defined(TCP_KEEPALIVE) || defined(SIO_KEEPALIVE_VALS)
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if (idle == port->keepalives_idle)
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return STATUS_OK;
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@ -1742,14 +1754,24 @@ pq_setkeepalivesidle(int idle, Port *port)
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if (idle == 0)
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idle = port->default_keepalives_idle;
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#ifdef TCP_KEEPIDLE
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#if defined(TCP_KEEPIDLE)
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/* TCP_KEEPIDLE is the name of this option on Linux and *BSD */
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPIDLE,
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(char *) &idle, sizeof(idle)) < 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPIDLE) failed: %m");
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return STATUS_ERROR;
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}
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#else
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#elif defined(TCP_KEEPALIVE_THRESHOLD)
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/* TCP_KEEPALIVE_THRESHOLD is the name of this option on Solaris */
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPALIVE_THRESHOLD,
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(char *) &idle, sizeof(idle)) < 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPALIVE_THRESHOLD) failed: %m");
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return STATUS_ERROR;
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}
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#else /* must have TCP_KEEPALIVE */
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/* TCP_KEEPALIVE is the name of this option on macOS */
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPALIVE,
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(char *) &idle, sizeof(idle)) < 0)
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{
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@ -1762,7 +1784,7 @@ pq_setkeepalivesidle(int idle, Port *port)
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#else /* WIN32 */
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return pq_setkeepaliveswin32(port, idle, port->keepalives_interval);
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#endif
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#else /* TCP_KEEPIDLE || SIO_KEEPALIVE_VALS */
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#else /* no way to set it */
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if (idle != 0)
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{
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elog(LOG, "setting the keepalive idle time is not supported");
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@ -1812,7 +1834,7 @@ pq_setkeepalivesinterval(int interval, Port *port)
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if (port == NULL || IS_AF_UNIX(port->laddr.addr.ss_family))
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return STATUS_OK;
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#if defined(TCP_KEEPINTVL) || defined (SIO_KEEPALIVE_VALS)
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#if defined(TCP_KEEPINTVL) || defined(SIO_KEEPALIVE_VALS)
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if (interval == port->keepalives_interval)
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return STATUS_OK;
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@ -1470,7 +1470,8 @@ setKeepalivesIdle(PGconn *conn)
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if (idle < 0)
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idle = 0;
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#ifdef TCP_KEEPIDLE
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#if defined(TCP_KEEPIDLE)
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/* TCP_KEEPIDLE is the name of this option on Linux and *BSD */
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if (setsockopt(conn->sock, IPPROTO_TCP, TCP_KEEPIDLE,
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(char *) &idle, sizeof(idle)) < 0)
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{
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@ -1481,9 +1482,20 @@ setKeepalivesIdle(PGconn *conn)
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SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
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return 0;
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}
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#else
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#ifdef TCP_KEEPALIVE
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/* macOS uses TCP_KEEPALIVE rather than TCP_KEEPIDLE */
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#elif defined(TCP_KEEPALIVE_THRESHOLD)
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/* TCP_KEEPALIVE_THRESHOLD is the name of this option on Solaris */
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if (setsockopt(conn->sock, IPPROTO_TCP, TCP_KEEPALIVE_THRESHOLD,
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(char *) &idle, sizeof(idle)) < 0)
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{
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char sebuf[256];
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appendPQExpBuffer(&conn->errorMessage,
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libpq_gettext("setsockopt(TCP_KEEPALIVE_THRESHOLD) failed: %s\n"),
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SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
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return 0;
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}
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#elif defined(TCP_KEEPALIVE)
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/* TCP_KEEPALIVE is the name of this option on macOS */
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if (setsockopt(conn->sock, IPPROTO_TCP, TCP_KEEPALIVE,
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(char *) &idle, sizeof(idle)) < 0)
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{
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@ -1494,7 +1506,6 @@ setKeepalivesIdle(PGconn *conn)
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SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
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return 0;
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}
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#endif
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#endif
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return 1;
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@ -1562,7 +1573,7 @@ setKeepalivesCount(PGconn *conn)
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return 1;
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}
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#else /* Win32 */
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#else /* WIN32 */
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#ifdef SIO_KEEPALIVE_VALS
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/*
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* Enable keepalives and set the keepalive values on Win32,
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