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Honour keepalive settings for upstreams

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This commit is contained in:
Ondřej Kuzník 2019-07-23 12:17:01 +02:00
parent 25fff30e39
commit dfbf25d579
1 changed files with 67 additions and 0 deletions
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67
servers/lloadd/backend.c
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@ -136,6 +136,73 @@ upstream_name_cb( int result, struct evutil_addrinfo *res, void *arg )
goto fail;
}
#if defined(SO_KEEPALIVE) || defined(TCP_NODELAY)
if ( b->b_proto == LDAP_PROTO_TCP ) {
int dummy = 1;
#ifdef SO_KEEPALIVE
if ( setsockopt( s, SOL_SOCKET, SO_KEEPALIVE, (char *)&dummy,
sizeof(dummy) ) == AC_SOCKET_ERROR ) {
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"setsockopt(%d, SO_KEEPALIVE) failed (ignored).\n",
s );
}
if ( bindconf.sb_keepalive.sk_idle > 0 ) {
#ifdef TCP_KEEPIDLE
if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPIDLE,
(void *)&bindconf.sb_keepalive.sk_idle,
sizeof(bindconf.sb_keepalive.sk_idle) ) ==
AC_SOCKET_ERROR ) {
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"setsockopt(%d, TCP_KEEPIDLE) failed (ignored).\n",
s );
}
#else
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"sockopt TCP_KEEPIDLE not supported on this system.\n" );
#endif /* TCP_KEEPIDLE */
}
if ( bindconf.sb_keepalive.sk_probes > 0 ) {
#ifdef TCP_KEEPCNT
if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPCNT,
(void *)&bindconf.sb_keepalive.sk_probes,
sizeof(bindconf.sb_keepalive.sk_probes) ) ==
AC_SOCKET_ERROR ) {
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"setsockopt(%d, TCP_KEEPCNT) failed (ignored).\n",
s );
}
#else
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"sockopt TCP_KEEPCNT not supported on this system.\n" );
#endif /* TCP_KEEPCNT */
}
if ( bindconf.sb_keepalive.sk_interval > 0 ) {
#ifdef TCP_KEEPINTVL
if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPINTVL,
(void *)&bindconf.sb_keepalive.sk_interval,
sizeof(bindconf.sb_keepalive.sk_interval) ) ==
AC_SOCKET_ERROR ) {
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"setsockopt(%d, TCP_KEEPINTVL) failed (ignored).\n",
s );
}
#else
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"sockopt TCP_KEEPINTVL not supported on this system.\n" );
#endif /* TCP_KEEPINTVL */
}
#endif /* SO_KEEPALIVE */
#ifdef TCP_NODELAY
if ( setsockopt( s, IPPROTO_TCP, TCP_NODELAY, (char *)&dummy,
sizeof(dummy) ) == AC_SOCKET_ERROR ) {
Debug( LDAP_DEBUG_TRACE, "upstream_name_cb: "
"setsockopt(%d, TCP_NODELAY) failed (ignored).\n",
s );
}
#endif /* TCP_NODELAY */
}
#endif /* SO_KEEPALIVE || TCP_NODELAY */
if ( res->ai_family == PF_INET ) {
struct sockaddr_in *ai = (struct sockaddr_in *)res->ai_addr;
ai->sin_port = htons( b->b_port );