Second try at fixing tcp_keepalives_idle option on Solaris.
Buildfarm evidence shows that TCP_KEEPALIVE_THRESHOLD doesn't exist
after all on Solaris < 11. This means we need to take positive action to
prevent the TCP_KEEPALIVE code path from being taken on that platform.
I've chosen to limit it with "&& defined(__darwin__)", since it's unclear
that anyone else would follow Apple's precedent of spelling the symbol
that way.
Also, follow a suggestion from Michael Paquier of eliminating code
duplication by defining a couple of intermediate symbols for the
socket option.
In passing, make some effort to reduce the number of translatable messages
by replacing "setsockopt(foo) failed" with "setsockopt(%s) failed", etc,
throughout the affected files. And update relevant documentation so
that it doesn't claim to provide an exhaustive list of the possible
socket option names.
Like the previous commit (f0256c774
), back-patch to all supported branches.
Discussion: https://postgr.es/m/20170627163757.25161.528@wrigleys.postgresql.org
This commit is contained in:
parent
4500edc7e9
commit
99255d73c0
|
@ -856,8 +856,8 @@ include_dir 'conf.d'
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Specifies the number of seconds of inactivity after which TCP
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should send a keepalive message to the client. A value of 0 uses
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the system default.
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This parameter is supported only on systems that support the
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<symbol>TCP_KEEPIDLE</> or <symbol>TCP_KEEPALIVE</> symbols, and on
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This parameter is supported only on systems that support
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<symbol>TCP_KEEPIDLE</> or an equivalent socket option, and on
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Windows; on other systems, it must be zero.
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In sessions connected via a Unix-domain socket, this parameter is
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ignored and always reads as zero.
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@ -882,9 +882,9 @@ include_dir 'conf.d'
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Specifies the number of seconds after which a TCP keepalive message
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that is not acknowledged by the client should be retransmitted.
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A value of 0 uses the system default.
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This parameter is supported only on systems that support the
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<symbol>TCP_KEEPINTVL</> symbol, and on Windows; on other systems, it
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must be zero.
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This parameter is supported only on systems that support
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<symbol>TCP_KEEPINTVL</> or an equivalent socket option, and on
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Windows; on other systems, it must be zero.
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In sessions connected via a Unix-domain socket, this parameter is
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ignored and always reads as zero.
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</para>
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@ -906,10 +906,11 @@ include_dir 'conf.d'
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<listitem>
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<para>
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Specifies the number of TCP keepalives that can be lost before
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the server's connection to the client is considered dead. A value of 0
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uses the system default. This parameter is
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supported only on systems that support the <symbol>TCP_KEEPCNT</>
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symbol; on other systems, it must be zero.
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the server's connection to the client is considered dead.
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A value of 0 uses the system default.
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This parameter is supported only on systems that support
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<symbol>TCP_KEEPCNT</> or an equivalent socket option;
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on other systems, it must be zero.
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In sessions connected via a Unix-domain socket, this parameter is
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ignored and always reads as zero.
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</para>
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@ -1125,10 +1125,10 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
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Controls the number of seconds of inactivity after which TCP should
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send a keepalive message to the server. A value of zero uses the
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system default. This parameter is ignored for connections made via a
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Unix-domain socket, or if keepalives are disabled. It is only supported
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on systems where the <symbol>TCP_KEEPIDLE</> or <symbol>TCP_KEEPALIVE</>
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socket option is available, and on Windows; on other systems, it has no
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effect.
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Unix-domain socket, or if keepalives are disabled.
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It is only supported on systems where <symbol>TCP_KEEPIDLE</> or
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an equivalent socket option is available, and on Windows; on other
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systems, it has no effect.
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</para>
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</listitem>
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</varlistentry>
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@ -1141,9 +1141,9 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
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that is not acknowledged by the server should be retransmitted. A
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value of zero uses the system default. This parameter is ignored for
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connections made via a Unix-domain socket, or if keepalives are disabled.
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It is only supported on systems where the <symbol>TCP_KEEPINTVL</>
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socket option is available, and on Windows; on other systems, it has no
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effect.
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It is only supported on systems where <symbol>TCP_KEEPINTVL</> or
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an equivalent socket option is available, and on Windows; on other
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systems, it has no effect.
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</para>
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</listitem>
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</varlistentry>
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@ -1156,8 +1156,9 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
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client's connection to the server is considered dead. A value of
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zero uses the system default. This parameter is ignored for
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connections made via a Unix-domain socket, or if keepalives are disabled.
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It is only supported on systems where the <symbol>TCP_KEEPCNT</>
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socket option is available; on other systems, it has no effect.
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It is only supported on systems where <symbol>TCP_KEEPCNT</> or
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an equivalent socket option is available; on other systems, it has no
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effect.
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</para>
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</listitem>
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</varlistentry>
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@ -96,6 +96,25 @@
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#include "utils/guc.h"
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#include "utils/memutils.h"
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/*
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* Cope with the various platform-specific ways to spell TCP keepalive socket
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* options. This doesn't cover Windows, which as usual does its own thing.
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*/
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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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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPIDLE
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#define PG_TCP_KEEPALIVE_IDLE_STR "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 >= 11 */
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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPALIVE_THRESHOLD
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#define PG_TCP_KEEPALIVE_IDLE_STR "TCP_KEEPALIVE_THRESHOLD"
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#elif defined(TCP_KEEPALIVE) && defined(__darwin__)
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/* TCP_KEEPALIVE is the name of this option on macOS */
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/* Caution: Solaris has this symbol but it means something different */
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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPALIVE
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#define PG_TCP_KEEPALIVE_IDLE_STR "TCP_KEEPALIVE"
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#endif
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/*
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* Configuration options
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*/
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@ -742,7 +761,7 @@ StreamConnection(pgsocket server_fd, Port *port)
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_NODELAY,
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(char *) &on, sizeof(on)) < 0)
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{
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elog(LOG, "setsockopt(TCP_NODELAY) failed: %m");
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elog(LOG, "setsockopt(%s) failed: %m", "TCP_NODELAY");
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return STATUS_ERROR;
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}
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#endif
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@ -750,7 +769,7 @@ StreamConnection(pgsocket server_fd, Port *port)
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if (setsockopt(port->sock, SOL_SOCKET, SO_KEEPALIVE,
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(char *) &on, sizeof(on)) < 0)
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{
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elog(LOG, "setsockopt(SO_KEEPALIVE) failed: %m");
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elog(LOG, "setsockopt(%s) failed: %m", "SO_KEEPALIVE");
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return STATUS_ERROR;
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}
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@ -781,7 +800,7 @@ StreamConnection(pgsocket server_fd, Port *port)
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if (getsockopt(port->sock, SOL_SOCKET, SO_SNDBUF, (char *) &oldopt,
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&optlen) < 0)
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{
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elog(LOG, "getsockopt(SO_SNDBUF) failed: %m");
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elog(LOG, "getsockopt(%s) failed: %m", "SO_SNDBUF");
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return STATUS_ERROR;
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}
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newopt = PQ_SEND_BUFFER_SIZE * 4;
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@ -790,7 +809,7 @@ StreamConnection(pgsocket server_fd, Port *port)
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if (setsockopt(port->sock, SOL_SOCKET, SO_SNDBUF, (char *) &newopt,
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sizeof(newopt)) < 0)
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{
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elog(LOG, "setsockopt(SO_SNDBUF) failed: %m");
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elog(LOG, "setsockopt(%s) failed: %m", "SO_SNDBUF");
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return STATUS_ERROR;
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}
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}
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@ -1676,7 +1695,7 @@ 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_THRESHOLD) || defined(TCP_KEEPALIVE) || defined(WIN32)
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#if defined(PG_TCP_KEEPALIVE_IDLE) || defined(SIO_KEEPALIVE_VALS)
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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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@ -1688,34 +1707,13 @@ 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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#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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if (getsockopt(port->sock, IPPROTO_TCP, PG_TCP_KEEPALIVE_IDLE,
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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_KEEPIDLE) failed: %m");
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elog(LOG, "getsockopt(%s) failed: %m", PG_TCP_KEEPALIVE_IDLE_STR);
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port->default_keepalives_idle = -1; /* don't know */
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}
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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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{
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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 /* 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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@ -1735,7 +1733,7 @@ pq_setkeepalivesidle(int idle, Port *port)
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return STATUS_OK;
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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 defined(PG_TCP_KEEPALIVE_IDLE) || defined(SIO_KEEPALIVE_VALS)
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if (idle == port->keepalives_idle)
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return STATUS_OK;
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@ -1754,43 +1752,25 @@ 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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#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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if (setsockopt(port->sock, IPPROTO_TCP, PG_TCP_KEEPALIVE_IDLE,
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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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elog(LOG, "setsockopt(%s) failed: %m", PG_TCP_KEEPALIVE_IDLE_STR);
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return STATUS_ERROR;
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}
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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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elog(LOG, "setsockopt(TCP_KEEPALIVE) failed: %m");
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return STATUS_ERROR;
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}
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#endif
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port->keepalives_idle = idle;
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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 /* no way to set it */
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#else
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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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return STATUS_ERROR;
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}
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#endif
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return STATUS_OK;
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}
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@ -1813,7 +1793,7 @@ pq_getkeepalivesinterval(Port *port)
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(char *) &port->default_keepalives_interval,
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&size) < 0)
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{
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elog(LOG, "getsockopt(TCP_KEEPINTVL) failed: %m");
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elog(LOG, "getsockopt(%s) failed: %m", "TCP_KEEPINTVL");
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port->default_keepalives_interval = -1; /* don't know */
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}
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#else
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@ -1856,7 +1836,7 @@ pq_setkeepalivesinterval(int interval, Port *port)
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPINTVL,
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(char *) &interval, sizeof(interval)) < 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPINTVL) failed: %m");
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elog(LOG, "setsockopt(%s) failed: %m", "TCP_KEEPINTVL");
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return STATUS_ERROR;
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}
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@ -1867,7 +1847,7 @@ pq_setkeepalivesinterval(int interval, Port *port)
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#else
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if (interval != 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPINTVL) not supported");
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elog(LOG, "setsockopt(%s) not supported", "TCP_KEEPINTVL");
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return STATUS_ERROR;
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}
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#endif
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@ -1893,7 +1873,7 @@ pq_getkeepalivescount(Port *port)
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(char *) &port->default_keepalives_count,
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&size) < 0)
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{
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elog(LOG, "getsockopt(TCP_KEEPCNT) failed: %m");
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elog(LOG, "getsockopt(%s) failed: %m", "TCP_KEEPCNT");
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port->default_keepalives_count = -1; /* don't know */
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}
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}
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@ -1931,7 +1911,7 @@ pq_setkeepalivescount(int count, Port *port)
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if (setsockopt(port->sock, IPPROTO_TCP, TCP_KEEPCNT,
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(char *) &count, sizeof(count)) < 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPCNT) failed: %m");
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elog(LOG, "setsockopt(%s) failed: %m", "TCP_KEEPCNT");
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return STATUS_ERROR;
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}
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|
@ -1939,7 +1919,7 @@ pq_setkeepalivescount(int count, Port *port)
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#else
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if (count != 0)
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{
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elog(LOG, "setsockopt(TCP_KEEPCNT) not supported");
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elog(LOG, "setsockopt(%s) not supported", "TCP_KEEPCNT");
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return STATUS_ERROR;
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}
|
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#endif
|
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|
|
|
@ -94,6 +94,25 @@ static int ldapServiceLookup(const char *purl, PQconninfoOption *options,
|
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/* This too */
|
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#define ERRCODE_CANNOT_CONNECT_NOW "57P03"
|
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|
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/*
|
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* Cope with the various platform-specific ways to spell TCP keepalive socket
|
||||
* options. This doesn't cover Windows, which as usual does its own thing.
|
||||
*/
|
||||
#if defined(TCP_KEEPIDLE)
|
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/* TCP_KEEPIDLE is the name of this option on Linux and *BSD */
|
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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPIDLE
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#define PG_TCP_KEEPALIVE_IDLE_STR "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 >= 11 */
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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPALIVE_THRESHOLD
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#define PG_TCP_KEEPALIVE_IDLE_STR "TCP_KEEPALIVE_THRESHOLD"
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#elif defined(TCP_KEEPALIVE) && defined(__darwin__)
|
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/* TCP_KEEPALIVE is the name of this option on macOS */
|
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/* Caution: Solaris has this symbol but it means something different */
|
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#define PG_TCP_KEEPALIVE_IDLE TCP_KEEPALIVE
|
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#define PG_TCP_KEEPALIVE_IDLE_STR "TCP_KEEPALIVE"
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#endif
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/*
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* fall back options if they are not specified by arguments or defined
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* by environment variables
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|
@ -1470,39 +1489,15 @@ setKeepalivesIdle(PGconn *conn)
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if (idle < 0)
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idle = 0;
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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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#ifdef PG_TCP_KEEPALIVE_IDLE
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if (setsockopt(conn->sock, IPPROTO_TCP, PG_TCP_KEEPALIVE_IDLE,
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(char *) &idle, sizeof(idle)) < 0)
|
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{
|
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char sebuf[256];
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|
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appendPQExpBuffer(&conn->errorMessage,
|
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libpq_gettext("setsockopt(TCP_KEEPIDLE) failed: %s\n"),
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SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
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return 0;
|
||||
}
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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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char sebuf[256];
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|
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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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char sebuf[256];
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|
||||
appendPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("setsockopt(TCP_KEEPALIVE) failed: %s\n"),
|
||||
libpq_gettext("setsockopt(%s) failed: %s\n"),
|
||||
PG_TCP_KEEPALIVE_IDLE_STR,
|
||||
SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
|
||||
return 0;
|
||||
}
|
||||
|
@ -1533,7 +1528,8 @@ setKeepalivesInterval(PGconn *conn)
|
|||
char sebuf[256];
|
||||
|
||||
appendPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("setsockopt(TCP_KEEPINTVL) failed: %s\n"),
|
||||
libpq_gettext("setsockopt(%s) failed: %s\n"),
|
||||
"TCP_KEEPINTVL",
|
||||
SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
|
||||
return 0;
|
||||
}
|
||||
|
@ -1565,7 +1561,8 @@ setKeepalivesCount(PGconn *conn)
|
|||
char sebuf[256];
|
||||
|
||||
appendPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("setsockopt(TCP_KEEPCNT) failed: %s\n"),
|
||||
libpq_gettext("setsockopt(%s) failed: %s\n"),
|
||||
"TCP_KEEPCNT",
|
||||
SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
|
||||
return 0;
|
||||
}
|
||||
|
@ -2123,7 +2120,8 @@ keep_going: /* We will come back to here until there is
|
|||
(char *) &on, sizeof(on)) < 0)
|
||||
{
|
||||
appendPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("setsockopt(SO_KEEPALIVE) failed: %s\n"),
|
||||
libpq_gettext("setsockopt(%s) failed: %s\n"),
|
||||
"SO_KEEPALIVE",
|
||||
SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)));
|
||||
err = 1;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue