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Fix prev commit, don't timeout outbound connections

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This commit is contained in:
Howard Chu 2003-10-25 21:14:07 +00:00
parent 45c42630db
commit 782d1be0ad
4 changed files with 51 additions and 31 deletions
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15
servers/slapd/connection.c
View File

@ -203,8 +203,10 @@ int connections_timeout_idle(time_t now)
c != NULL;
c = connection_next( c, &connindex ) )
{
/* Don't timeout a slow-running request */
if( c->c_n_ops_executing ) continue;
/* Don't timeout a slow-running request or a persistent
* outbound connection */
if( c->c_n_ops_executing ||
c->c_conn_state == SLAP_C_CLIENT ) continue;
if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
/* close it */
@ -689,7 +691,7 @@ connection_destroy( Connection *c )
ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
if ( sd != AC_SOCKET_INVALID ) {
slapd_remove( sd, 0 );
slapd_remove( sd, 1, 0 );
Statslog( LDAP_DEBUG_STATS,
"conn=%lu fd=%ld closed\n",
@ -1151,7 +1153,7 @@ int connection_client_setup(
c->c_clientfunc = func;
c->c_clientarg = arg;
connection_return( c );
slapd_add_internal( s );
slapd_add_internal( s, 0 );
slapd_set_read( s, 1 );
return 0;
}
@ -1178,6 +1180,7 @@ void connection_client_stop(
c->c_conn_state = SLAP_C_INVALID;
c->c_struct_state = SLAP_C_UNUSED;
connection_return( c );
slapd_remove( s, 0, 0 );
}
int connection_read(ber_socket_t s)
@ -1201,7 +1204,7 @@ int connection_read(ber_socket_t s)
"connection_read(%ld): no connection!\n",
(long) s, 0, 0 );
#endif
slapd_remove(s, 0);
slapd_remove(s, 1, 0);
ldap_pvt_thread_mutex_unlock( &connections_mutex );
return -1;
@ -1790,7 +1793,7 @@ int connection_write(ber_socket_t s)
"connection_write(%ld): no connection!\n",
(long) s, 0, 0 );
#endif
slapd_remove(s, 0);
slapd_remove(s, 1, 0);
ldap_pvt_thread_mutex_unlock( &connections_mutex );
return -1;
}

38
servers/slapd/daemon.c
View File

@ -195,8 +195,13 @@ void slapd_slp_dereg() {
/*
* Add a descriptor to daemon control
*
* If isactive, the descriptor is a live server session and is subject
* to idletimeout control. Otherwise, the descriptor is a passive
* listener or an outbound client session, and not subject to
* idletimeout.
*/
static void slapd_add(ber_socket_t s) {
static void slapd_add(ber_socket_t s, int isactive) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
@ -209,7 +214,9 @@ static void slapd_add(ber_socket_t s) {
}
#endif
slap_daemon.sd_nactives++;
if ( isactive ) {
slap_daemon.sd_nactives++;
}
FD_SET( s, &slap_daemon.sd_actives );
FD_SET( s, &slap_daemon.sd_readers );
@ -231,10 +238,12 @@ static void slapd_add(ber_socket_t s) {
/*
* Remove the descriptor from daemon control
*/
void slapd_remove(ber_socket_t s, int wake) {
void slapd_remove(ber_socket_t s, int wasactive, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
slap_daemon.sd_nactives--;
if ( wasactive ) {
slap_daemon.sd_nactives--;
}
#ifdef NEW_LOGGING
LDAP_LOG( CONNECTION, DETAIL1,
@ -1119,7 +1128,7 @@ close_listeners(
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
if ( remove )
slapd_remove( slap_listeners[l]->sl_sd, 0 );
slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
#ifdef LDAP_PF_LOCAL
if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
@ -1171,7 +1180,7 @@ slapd_daemon_task(
* are unnecessary.
*/
if ( slap_listeners[l]->sl_is_udp ) {
slapd_add( slap_listeners[l]->sl_sd );
slapd_add( slap_listeners[l]->sl_sd, 1 );
continue;
}
#endif
@ -1228,7 +1237,7 @@ slapd_daemon_task(
return( (void*)-1 );
}
slapd_add( slap_listeners[l]->sl_sd );
slapd_add( slap_listeners[l]->sl_sd, 0 );
}
#ifdef HAVE_NT_SERVICE_MANAGER
@ -1332,11 +1341,6 @@ slapd_daemon_task(
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if ( !at ) {
at = ldap_pvt_thread_pool_backload(&connection_pool) -
ldap_pvt_runqueue_persistent_backload( &syncrepl_rq );
}
if ( at
#if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
&& ( tv.tv_sec || tv.tv_usec )
@ -1350,10 +1354,10 @@ slapd_daemon_task(
rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
} else {
ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
ldap_pvt_thread_pool_submit( &connection_pool,
rtask->routine, (void *) rtask );
@ -1769,7 +1773,7 @@ slapd_daemon_task(
slap_listeners[l]->sl_name.bv_val,
0 );
slapd_add( s );
slapd_add( s, 1 );
continue;
}
@ -2105,8 +2109,8 @@ slap_sig_wake( int sig )
}
void slapd_add_internal(ber_socket_t s) {
slapd_add(s);
void slapd_add_internal(ber_socket_t s, int isactive) {
slapd_add(s, isactive);
}
Listener ** slapd_get_listeners(void) {

4
servers/slapd/proto-slap.h
View File

@ -382,12 +382,12 @@ LDAP_SLAPD_F (int) slap_get_csn LDAP_P(( Operation *, char *, int, struct berval
/*
* daemon.c
*/
LDAP_SLAPD_F (void) slapd_add_internal(ber_socket_t s);
LDAP_SLAPD_F (void) slapd_add_internal(ber_socket_t s, int isactive);
LDAP_SLAPD_F (int) slapd_daemon_init( const char *urls );
LDAP_SLAPD_F (int) slapd_daemon_destroy(void);
LDAP_SLAPD_F (int) slapd_daemon(void);
LDAP_SLAPD_F (Listener **) slapd_get_listeners LDAP_P((void));
LDAP_SLAPD_F (void) slapd_remove LDAP_P((ber_socket_t s, int wake));
LDAP_SLAPD_F (void) slapd_remove LDAP_P((ber_socket_t s, int wasactive, int wake));
LDAP_SLAPD_F (RETSIGTYPE) slap_sig_shutdown LDAP_P((int sig));
LDAP_SLAPD_F (RETSIGTYPE) slap_sig_wake LDAP_P((int sig));

25
servers/slapd/syncrepl.c
View File

@ -689,8 +689,6 @@ do_syncrepl(
} else {
connection_client_enable( s );
}
/* Don't need to resched this task for a while */
if ( rc == 0 ) rc = 1;
} else {
connection_client_stop( s );
}
@ -701,13 +699,28 @@ do_syncrepl(
}
}
if ( rc == LDAP_SUCCESS || rc == LDAP_SERVER_DOWN ) {
ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
/* At this point, we have 4 cases:
* 1) for any hard failure, give up and remove this task
* 2) for ServerDown, reschedule this task to run
* 3) for Refresh and Success, reschedule to run
* 4) for Persist and Success, reschedule to defer
*/
ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
}
if ( rc && rc != LDAP_SERVER_DOWN ) {
ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
} else if ( rc == LDAP_SERVER_DOWN ||
si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
rc = 0;
} else {
rc = 1;
}
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, rc );
ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
return NULL;
}