3 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/socket.h>
13 #include <ac/signal.h>
14 #include <ac/string.h>
19 /* we need LBER internals */
20 #include "../../libraries/liblber/lber-int.h"
22 /* protected by connections_mutex */
23 static ldap_pvt_thread_mutex_t connections_mutex;
24 static Connection *connections = NULL;
25 static unsigned long conn_nextid = 0;
27 /* structure state (protected by connections_mutex) */
28 #define SLAP_C_UNINITIALIZED 0x00 /* MUST BE ZERO (0) */
29 #define SLAP_C_UNUSED 0x01
30 #define SLAP_C_USED 0x02
32 /* connection state (protected by c_mutex ) */
33 #define SLAP_C_INVALID 0x00 /* MUST BE ZERO (0) */
34 #define SLAP_C_INACTIVE 0x01 /* zero threads */
35 #define SLAP_C_ACTIVE 0x02 /* one or more threads */
36 #define SLAP_C_BINDING 0x03 /* binding */
37 #define SLAP_C_CLOSING 0x04 /* closing */
40 connection_state2str( int state )
43 case SLAP_C_INVALID: return "!";
44 case SLAP_C_INACTIVE: return "|";
45 case SLAP_C_ACTIVE: return "";
46 case SLAP_C_BINDING: return "B";
47 case SLAP_C_CLOSING: return "C";
53 static Connection* connection_get( ber_socket_t s );
55 static int connection_input( Connection *c );
56 static void connection_close( Connection *c );
58 static int connection_op_activate( Connection *conn, Operation *op );
59 static int connection_resched( Connection *conn );
60 static void connection_abandon( Connection *conn );
61 static void connection_destroy( Connection *c );
69 * Initialize connection management infrastructure.
71 int connections_init(void)
73 assert( connections == NULL );
75 if( connections != NULL) {
76 Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
81 /* should check return of every call */
82 ldap_pvt_thread_mutex_init( &connections_mutex );
84 connections = (Connection *) calloc( dtblsize, sizeof(Connection) );
86 if( connections == NULL ) {
87 Debug( LDAP_DEBUG_ANY,
88 "connections_init: allocation (%d*%ld) of connection array failed\n",
89 dtblsize, (long) sizeof(Connection), 0 );
93 assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED );
94 assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED );
97 * per entry initialization of the Connection array initialization
98 * will be done by connection_init()
105 * Destroy connection management infrastructure.
107 int connections_destroy(void)
111 /* should check return of every call */
113 if( connections == NULL) {
114 Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
119 for ( i = 0; i < dtblsize; i++ ) {
120 if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
121 ber_sockbuf_free( connections[i].c_sb );
122 ldap_pvt_thread_mutex_destroy( &connections[i].c_mutex );
123 ldap_pvt_thread_mutex_destroy( &connections[i].c_write_mutex );
124 ldap_pvt_thread_cond_destroy( &connections[i].c_write_cv );
131 ldap_pvt_thread_mutex_destroy( &connections_mutex );
136 * shutdown all connections
138 int connections_shutdown(void)
142 ldap_pvt_thread_mutex_lock( &connections_mutex );
144 for ( i = 0; i < dtblsize; i++ ) {
145 if( connections[i].c_struct_state != SLAP_C_USED ) {
149 ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
151 /* connections_mutex and c_mutex are locked */
152 connection_closing( &connections[i] );
153 connection_close( &connections[i] );
155 ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
158 ldap_pvt_thread_mutex_unlock( &connections_mutex );
164 * Timeout idle connections.
166 int connections_timeout_idle(time_t now)
172 ldap_pvt_thread_mutex_lock( &connections_mutex );
174 for( c = connection_first( &connindex );
176 c = connection_next( c, &connindex ) )
178 if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
180 connection_closing( c );
181 connection_close( c );
185 connection_done( c );
187 ldap_pvt_thread_mutex_unlock( &connections_mutex );
192 static Connection* connection_get( ber_socket_t s )
194 /* connections_mutex should be locked by caller */
198 Debug( LDAP_DEBUG_ARGS,
199 "connection_get(%ld)\n",
202 assert( connections != NULL );
204 if(s == AC_SOCKET_INVALID) {
211 assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
218 for(i=0; i<dtblsize; i++) {
219 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
220 assert( connections[i].c_conn_state == SLAP_C_INVALID );
221 assert( connections[i].c_sb == 0 );
225 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
226 assert( connections[i].c_conn_state == SLAP_C_INVALID );
227 assert( !ber_pvt_sb_in_use( connections[i].c_sb ) );
231 /* state can actually change from used -> unused by resched,
232 * so don't assert details here.
235 if( ber_pvt_sb_get_desc( connections[i].c_sb ) == s ) {
244 ldap_pvt_thread_mutex_lock( &c->c_mutex );
246 if( c->c_struct_state != SLAP_C_USED ) {
247 /* connection must have been closed due to resched */
249 assert( c->c_conn_state == SLAP_C_INVALID );
250 assert( !ber_pvt_sb_in_use( c->c_sb ) );
252 Debug( LDAP_DEBUG_TRACE,
253 "connection_get(%d): connection not used\n",
256 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
260 Debug( LDAP_DEBUG_TRACE,
261 "connection_get(%d): got connid=%ld\n",
266 assert( c->c_struct_state == SLAP_C_USED );
267 assert( c->c_conn_state != SLAP_C_INVALID );
268 assert( ber_pvt_sb_in_use( c->c_sb ) );
270 c->c_activitytime = slap_get_time();
276 static void connection_return( Connection *c )
278 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
281 long connection_init(
285 const char* peername,
286 const char* sockname,
292 assert( connections != NULL );
294 assert( dnsname != NULL );
295 assert( peername != NULL );
296 assert( sockname != NULL );
302 if( s == AC_SOCKET_INVALID ) {
303 Debug( LDAP_DEBUG_ANY,
304 "connection_init(%ld): invalid.\n",
311 assert( s < dtblsize );
314 ldap_pvt_thread_mutex_lock( &connections_mutex );
325 for( i=0; i < dtblsize; i++) {
326 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
327 assert( connections[i].c_sb == 0 );
332 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
333 assert( !ber_pvt_sb_in_use( connections[i].c_sb ));
338 assert( connections[i].c_struct_state == SLAP_C_USED );
339 assert( connections[i].c_conn_state != SLAP_C_INVALID );
340 assert( ber_pvt_sb_in_use( connections[i].c_sb ));
344 Debug( LDAP_DEBUG_ANY,
345 "connection_init(%d): connection table full (%d/%d)\n",
347 ldap_pvt_thread_mutex_unlock( &connections_mutex );
355 if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
359 c->c_listener_url = NULL;
360 c->c_peer_domain = NULL;
361 c->c_peer_name = NULL;
362 c->c_sock_name = NULL;
365 c->c_pending_ops = NULL;
366 c->c_authmech = NULL;
367 c->c_authstate = NULL;
369 #ifdef HAVE_CYRUS_SASL
370 c->c_sasl_context = NULL;
373 c->c_sb = ber_sockbuf_alloc( );
374 c->c_currentber = NULL;
376 /* should check status of thread calls */
377 ldap_pvt_thread_mutex_init( &c->c_mutex );
378 ldap_pvt_thread_mutex_init( &c->c_write_mutex );
379 ldap_pvt_thread_cond_init( &c->c_write_cv );
381 c->c_struct_state = SLAP_C_UNUSED;
384 ldap_pvt_thread_mutex_lock( &c->c_mutex );
386 assert( c->c_struct_state == SLAP_C_UNUSED );
387 assert( c->c_dn == NULL );
388 assert( c->c_cdn == NULL );
389 assert( c->c_listener_url == NULL );
390 assert( c->c_peer_domain == NULL );
391 assert( c->c_peer_name == NULL );
392 assert( c->c_sock_name == NULL );
393 assert( c->c_ops == NULL );
394 assert( c->c_pending_ops == NULL );
395 assert( c->c_authmech == NULL );
396 assert( c->c_authstate == NULL );
397 #ifdef HAVE_CYRUS_SASL
398 assert( c->c_sasl_context == NULL );
400 assert( c->c_currentber == NULL );
402 c->c_listener_url = ch_strdup( url );
403 c->c_peer_domain = ch_strdup( dnsname );
404 c->c_peer_name = ch_strdup( peername );
405 c->c_sock_name = ch_strdup( sockname );
407 c->c_n_ops_received = 0;
408 c->c_n_ops_executing = 0;
409 c->c_n_ops_pending = 0;
410 c->c_n_ops_completed = 0;
416 /* assume LDAPv3 until bind */
417 c->c_protocol = LDAP_VERSION3;
419 c->c_activitytime = c->c_starttime = slap_get_time();
421 ber_pvt_sb_set_desc( c->c_sb, s );
422 ber_pvt_sb_set_io( c->c_sb, &ber_pvt_sb_io_tcp, NULL );
424 if( ber_pvt_sb_set_nonblock( c->c_sb, 1 ) < 0 ) {
425 Debug( LDAP_DEBUG_ANY,
426 "connection_init(%d, %s): set nonblocking failed\n",
427 s, c->c_peer_name,0 );
430 id = c->c_connid = conn_nextid++;
432 c->c_conn_state = SLAP_C_INACTIVE;
433 c->c_struct_state = SLAP_C_USED;
438 c->c_needs_tls_accept = 1;
442 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
443 ldap_pvt_thread_mutex_unlock( &connections_mutex );
445 backend_connection_init(c);
451 connection_destroy( Connection *c )
453 /* note: connections_mutex should be locked by caller */
455 assert( connections != NULL );
457 assert( c->c_struct_state != SLAP_C_UNUSED );
458 assert( c->c_conn_state != SLAP_C_INVALID );
459 assert( c->c_ops == NULL );
461 backend_connection_destroy(c);
466 c->c_activitytime = c->c_starttime = 0;
468 if(c->c_dn != NULL) {
472 if(c->c_cdn != NULL) {
476 if(c->c_listener_url != NULL) {
477 free(c->c_listener_url);
478 c->c_listener_url = NULL;
480 if(c->c_peer_domain != NULL) {
481 free(c->c_peer_domain);
482 c->c_peer_domain = NULL;
484 if(c->c_peer_name != NULL) {
485 free(c->c_peer_name);
486 c->c_peer_name = NULL;
488 if(c->c_sock_name != NULL) {
489 free(c->c_sock_name);
490 c->c_sock_name = NULL;
492 if(c->c_authmech != NULL ) {
494 c->c_authmech = NULL;
496 if(c->c_authstate != NULL ) {
497 free(c->c_authstate);
498 c->c_authstate = NULL;
501 #ifdef HAVE_CYRUS_SASL
502 if(c->c_sasl_context != NULL ) {
503 sasl_dispose( &c->c_sasl_context );
504 c->c_sasl_context = NULL;
508 if ( c->c_currentber != NULL ) {
509 ber_free( c->c_currentber, 1 );
510 c->c_currentber = NULL;
513 if ( ber_pvt_sb_in_use(c->c_sb) ) {
514 int sd = ber_pvt_sb_get_desc(c->c_sb);
516 slapd_remove( sd, 0 );
517 ber_pvt_sb_close( c->c_sb );
519 Statslog( LDAP_DEBUG_STATS,
520 "conn=%ld fd=%d closed\n",
521 c->c_connid, sd, 0, 0, 0 );
524 ber_pvt_sb_destroy( c->c_sb );
526 c->c_conn_state = SLAP_C_INVALID;
527 c->c_struct_state = SLAP_C_UNUSED;
530 int connection_state_closing( Connection *c )
532 /* c_mutex must be locked by caller */
536 assert( c->c_struct_state == SLAP_C_USED );
538 state = c->c_conn_state;
540 assert( state != SLAP_C_INVALID );
542 return state == SLAP_C_CLOSING;
545 static void connection_abandon( Connection *c )
547 /* c_mutex must be locked by caller */
551 for( o = c->c_ops; o != NULL; o = o->o_next ) {
552 ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
554 ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
557 /* remove pending operations */
558 for( o = slap_op_pop( &c->c_pending_ops );
560 o = slap_op_pop( &c->c_pending_ops ) )
566 void connection_closing( Connection *c )
568 assert( connections != NULL );
570 assert( c->c_struct_state == SLAP_C_USED );
571 assert( c->c_conn_state != SLAP_C_INVALID );
573 /* c_mutex must be locked by caller */
575 if( c->c_conn_state != SLAP_C_CLOSING ) {
577 Debug( LDAP_DEBUG_TRACE,
578 "connection_closing: readying conn=%ld sd=%d for close\n",
579 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
581 /* update state to closing */
582 c->c_conn_state = SLAP_C_CLOSING;
584 /* don't listen on this port anymore */
585 slapd_clr_read( ber_pvt_sb_get_desc( c->c_sb ), 1 );
587 /* shutdown I/O -- not yet implemented */
589 /* abandon active operations */
590 connection_abandon( c );
592 /* wake write blocked operations */
593 slapd_clr_write( ber_pvt_sb_get_desc(c->c_sb), 1 );
594 ldap_pvt_thread_cond_signal( &c->c_write_cv );
598 static void connection_close( Connection *c )
600 assert( connections != NULL );
602 assert( c->c_struct_state == SLAP_C_USED );
603 assert( c->c_conn_state == SLAP_C_CLOSING );
605 /* note: connections_mutex and c_mutex should be locked by caller */
607 if( c->c_ops != NULL ) {
608 Debug( LDAP_DEBUG_TRACE,
609 "connection_close: deferring conn=%ld sd=%d\n",
610 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
615 Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%ld sd=%d\n",
616 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
618 connection_destroy( c );
621 unsigned long connections_nextid(void)
624 assert( connections != NULL );
626 ldap_pvt_thread_mutex_lock( &connections_mutex );
630 ldap_pvt_thread_mutex_unlock( &connections_mutex );
635 Connection* connection_first( ber_socket_t *index )
637 assert( connections != NULL );
638 assert( index != NULL );
640 ldap_pvt_thread_mutex_lock( &connections_mutex );
644 return connection_next(NULL, index);
647 Connection* connection_next( Connection *c, ber_socket_t *index )
649 assert( connections != NULL );
650 assert( index != NULL );
651 assert( *index <= dtblsize );
654 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
659 for(; *index < dtblsize; (*index)++) {
660 if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
661 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
669 if( connections[*index].c_struct_state == SLAP_C_USED ) {
670 assert( connections[*index].c_conn_state != SLAP_C_INVALID );
671 c = &connections[(*index)++];
675 assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
676 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
680 ldap_pvt_thread_mutex_lock( &c->c_mutex );
686 void connection_done( Connection *c )
688 assert( connections != NULL );
691 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
694 ldap_pvt_thread_mutex_unlock( &connections_mutex );
698 * connection_activity - handle the request operation op on connection
699 * conn. This routine figures out what kind of operation it is and
700 * calls the appropriate stub to handle it.
704 connection_operation( void *arg_v )
707 struct co_arg *arg = arg_v;
708 ber_tag_t tag = arg->co_op->o_tag;
709 Connection *conn = arg->co_conn;
711 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
713 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
717 rc = do_bind( conn, arg->co_op );
720 case LDAP_REQ_UNBIND:
721 rc = do_unbind( conn, arg->co_op );
725 rc = do_add( conn, arg->co_op );
728 case LDAP_REQ_DELETE:
729 rc = do_delete( conn, arg->co_op );
732 case LDAP_REQ_MODRDN:
733 rc = do_modrdn( conn, arg->co_op );
736 case LDAP_REQ_MODIFY:
737 rc = do_modify( conn, arg->co_op );
740 case LDAP_REQ_COMPARE:
741 rc = do_compare( conn, arg->co_op );
744 case LDAP_REQ_SEARCH:
745 rc = do_search( conn, arg->co_op );
748 case LDAP_REQ_ABANDON:
749 rc = do_abandon( conn, arg->co_op );
752 case LDAP_REQ_EXTENDED:
753 rc = do_extended( conn, arg->co_op );
757 Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
759 arg->co_op->o_tag = LBER_ERROR;
760 send_ldap_disconnect( conn, arg->co_op,
761 LDAP_PROTOCOL_ERROR, "unknown LDAP request" );
766 if( rc == -1 ) tag = LBER_ERROR;
768 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
770 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
772 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
774 conn->c_n_ops_executing--;
775 conn->c_n_ops_completed++;
777 slap_op_remove( &conn->c_ops, arg->co_op );
778 slap_op_free( arg->co_op );
781 free( (char *) arg );
786 case LDAP_REQ_UNBIND:
787 /* c_mutex is locked */
788 connection_closing( conn );
792 if( conn->c_conn_state == SLAP_C_BINDING) {
793 conn->c_conn_state = SLAP_C_ACTIVE;
795 conn->c_bind_in_progress = ( rc == LDAP_SASL_BIND_IN_PROGRESS );
798 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
800 if( active_threads < 1 ) {
801 ldap_pvt_thread_cond_signal(&active_threads_cond);
803 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
805 connection_resched( conn );
807 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
812 int connection_read(ber_socket_t s)
816 assert( connections != NULL );
818 ldap_pvt_thread_mutex_lock( &connections_mutex );
820 /* get (locked) connection */
821 c = connection_get( s );
824 Debug( LDAP_DEBUG_ANY,
825 "connection_read(%ld): no connection!\n",
830 ldap_pvt_thread_mutex_unlock( &connections_mutex );
836 if( c->c_conn_state == SLAP_C_CLOSING ) {
837 Debug( LDAP_DEBUG_TRACE,
838 "connection_read(%d): closing, ignoring input for id=%ld\n",
841 connection_return( c );
842 ldap_pvt_thread_mutex_unlock( &connections_mutex );
846 Debug( LDAP_DEBUG_TRACE,
847 "connection_read(%d): checking for input on id=%ld\n",
851 if ( c->c_is_tls && c->c_needs_tls_accept ) {
852 rc = ldap_pvt_tls_accept( c->c_sb, NULL );
854 Debug( LDAP_DEBUG_TRACE,
855 "connection_read(%d): TLS accept error error=%d id=%ld, closing\n",
856 s, rc, c->c_connid );
858 c->c_needs_tls_accept = 0;
859 /* connections_mutex and c_mutex are locked */
860 connection_closing( c );
861 connection_close( c );
862 } else if ( rc == 0 ) {
863 c->c_needs_tls_accept = 0;
865 connection_return( c );
866 ldap_pvt_thread_mutex_unlock( &connections_mutex );
871 #define CONNECTION_INPUT_LOOP 1
873 #ifdef DATA_READY_LOOP
874 while(!rc && ber_pvt_sb_data_ready(&c->c_sb))
875 #elif CONNECTION_INPUT_LOOP
879 /* How do we do this without getting into a busy loop ? */
880 rc = connection_input( c );
884 Debug( LDAP_DEBUG_TRACE,
885 "connection_read(%d): input error=%d id=%ld, closing.\n",
886 s, rc, c->c_connid );
888 /* connections_mutex and c_mutex are locked */
889 connection_closing( c );
890 connection_close( c );
893 if ( ber_pvt_sb_needs_read( c->c_sb ) )
894 slapd_set_read( s, 1 );
895 if ( ber_pvt_sb_needs_write( c->c_sb ) )
896 slapd_set_write( s, 1 );
897 connection_return( c );
898 ldap_pvt_thread_mutex_unlock( &connections_mutex );
913 if ( conn->c_currentber == NULL && (conn->c_currentber = ber_alloc())
915 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
920 if ( (tag = ber_get_next( conn->c_sb, &len, conn->c_currentber ))
921 != LDAP_TAG_MESSAGE )
925 Debug( LDAP_DEBUG_TRACE,
926 "ber_get_next on fd %d failed errno=%d (%s)\n",
927 ber_pvt_sb_get_desc( conn->c_sb ), err, STRERROR(err) );
928 Debug( LDAP_DEBUG_TRACE,
929 "\t*** got %ld of %lu so far\n",
930 (long)(conn->c_currentber->ber_rwptr - conn->c_currentber->ber_buf),
931 conn->c_currentber->ber_len, 0 );
933 if ( err != EWOULDBLOCK && err != EAGAIN ) {
934 /* log, close and send error */
935 ber_free( conn->c_currentber, 1 );
936 conn->c_currentber = NULL;
943 ber = conn->c_currentber;
944 conn->c_currentber = NULL;
946 if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
947 /* log, close and send error */
948 Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0,
954 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
955 /* log, close and send error */
956 Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0,
963 if(tag == LDAP_REQ_BIND) {
964 /* immediately abandon all exiting operations upon BIND */
965 connection_abandon( conn );
968 op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
970 if ( conn->c_conn_state == SLAP_C_BINDING
971 || conn->c_conn_state == SLAP_C_CLOSING )
973 Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 );
974 conn->c_n_ops_pending++;
975 slap_op_add( &conn->c_pending_ops, op );
978 conn->c_n_ops_executing++;
979 connection_op_activate( conn, op );
983 if ( conn->c_struct_state != SLAP_C_USED ) {
984 /* connection must have got closed underneath us */
988 assert( conn->c_struct_state == SLAP_C_USED );
994 connection_resched( Connection *conn )
998 if( conn->c_conn_state == SLAP_C_CLOSING ) {
999 Debug( LDAP_DEBUG_TRACE,
1000 "connection_resched: attempting closing conn=%ld sd=%d\n",
1001 conn->c_connid, ber_pvt_sb_get_desc( conn->c_sb ), 0 );
1003 connection_close( conn );
1007 if( conn->c_conn_state != SLAP_C_ACTIVE ) {
1008 /* other states need different handling */
1012 for( op = slap_op_pop( &conn->c_pending_ops );
1014 op = slap_op_pop( &conn->c_pending_ops ) )
1016 /* pending operations should not be marked for abandonment */
1017 assert(!op->o_abandon);
1019 conn->c_n_ops_pending--;
1020 conn->c_n_ops_executing++;
1022 connection_op_activate( conn, op );
1024 if ( conn->c_conn_state == SLAP_C_BINDING ) {
1031 static int connection_op_activate( Connection *conn, Operation *op )
1036 ber_tag_t tag = op->o_tag;
1038 if(tag == LDAP_REQ_BIND) {
1039 conn->c_conn_state = SLAP_C_BINDING;
1042 if ( conn->c_dn != NULL ) {
1043 tmpdn = ch_strdup( conn->c_dn );
1048 arg = (struct co_arg *) ch_malloc( sizeof(struct co_arg) );
1049 arg->co_conn = conn;
1052 arg->co_op->o_bind_in_progress = conn->c_bind_in_progress;
1054 arg->co_op->o_dn = ch_strdup( tmpdn != NULL ? tmpdn : "" );
1055 arg->co_op->o_ndn = ch_strdup( arg->co_op->o_dn );
1056 (void) dn_normalize_case( arg->co_op->o_ndn );
1058 arg->co_op->o_protocol = conn->c_protocol;
1059 arg->co_op->o_connid = conn->c_connid;
1061 arg->co_op->o_authtype = conn->c_authtype;
1062 arg->co_op->o_authmech = conn->c_authmech != NULL
1063 ? ch_strdup( conn->c_authmech ) : NULL;
1065 slap_op_add( &conn->c_ops, arg->co_op );
1067 if( tmpdn != NULL ) {
1071 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
1073 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
1075 status = ldap_pvt_thread_create( &arg->co_op->o_tid, 1,
1076 connection_operation, (void *) arg );
1078 if ( status != 0 ) {
1079 Debug( LDAP_DEBUG_ANY,
1080 "ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
1082 /* should move op to pending list */
1088 int connection_write(ber_socket_t s)
1091 assert( connections != NULL );
1093 ldap_pvt_thread_mutex_lock( &connections_mutex );
1095 c = connection_get( s );
1097 slapd_clr_write( s, 0);
1100 Debug( LDAP_DEBUG_ANY,
1101 "connection_write(%ld): no connection!\n",
1104 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1110 Debug( LDAP_DEBUG_TRACE,
1111 "connection_write(%d): waking output for id=%ld\n",
1112 s, c->c_connid, 0 );
1114 ldap_pvt_thread_cond_signal( &c->c_write_cv );
1116 if ( ber_pvt_sb_needs_read( c->c_sb ) )
1117 slapd_set_read( s, 1 );
1118 if ( ber_pvt_sb_needs_write( c->c_sb ) )
1119 slapd_set_write( s, 1 );
1120 connection_return( c );
1121 ldap_pvt_thread_mutex_unlock( &connections_mutex );