int
pq_setkeepalivesidle(int idle, Port *port)
{
if (port == NULL || IS_AF_UNIX(port->laddr.addr.ss_family))
return STATUS_OK;
#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPALIVE) || defined(SIO_KEEPALIVE_VALS)
if (idle == port->keepalives_idle)
return STATUS_OK;
#ifndef WIN32
if (port->default_keepalives_idle <= 0)
{
if (pq_getkeepalivesidle(port) < 0)
{
if (idle == 0)
return STATUS_OK; /* default is set but unknown */
else
return STATUS_ERROR;
}
}
if (idle == 0)
idle = port->default_keepalives_idle;
#ifdef TCP_KEEPIDLE
if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPIDLE,
(char *) &idle, sizeof(idle)) < 0)
{
elog(LOG, "setsockopt(TCP_KEEPIDLE) failed: %m");
return STATUS_ERROR;
}
#else
if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPALIVE,
(char *) &idle, sizeof(idle)) < 0)
{
elog(LOG, "setsockopt(TCP_KEEPALIVE) failed: %m");
return STATUS_ERROR;
}
#endif
port->keepalives_idle = idle;
#else /* WIN32 */
return pq_setkeepaliveswin32(port, idle, port->keepalives_interval);
#endif
#else /* TCP_KEEPIDLE || SIO_KEEPALIVE_VALS */
if (idle != 0)
{
elog(LOG, "setting the keepalive idle time is not supported");
return STATUS_ERROR;
}
#endif
return STATUS_OK;
}
int
pq_setkeepalivesidle(int idle, Port *port)
{
if (port == NULL || IS_AF_UNIX(port->laddr.addr.ss_family))
return STATUS_OK;
#ifdef TCP_KEEPIDLE
if (idle == port->keepalives_idle)
return STATUS_OK;
if (port->default_keepalives_idle <= 0)
{
if (pq_getkeepalivesidle(port) < 0)
{
if (idle == 0)
return STATUS_OK; /* default is set but unknown */
else
return STATUS_ERROR;
}
}
if (idle == 0)
idle = port->default_keepalives_idle;
if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPIDLE,
(char *) &idle, sizeof(idle)) < 0)
{
elog(LOG, "setsockopt(TCP_KEEPIDLE) failed: %m");
return STATUS_ERROR;
}
port->keepalives_idle = idle;
#else
if (idle != 0)
{
elog(LOG, "setsockopt(TCP_KEEPIDLE) not supported");
return STATUS_ERROR;
}
#endif
return STATUS_OK;
}