13 /* we need LBER internals */
14 #include "../../libraries/liblber/lber-int.h"
16 /* protected by connections_mutex */
17 static ldap_pvt_thread_mutex_t connections_mutex;
18 static Connection *connections = NULL;
19 static unsigned long conn_nextid = 0;
21 /* structure state (protected by connections_mutex) */
22 #define SLAP_C_UNINITIALIZED 0x00 /* MUST BE ZERO (0) */
23 #define SLAP_C_UNUSED 0x01
24 #define SLAP_C_USED 0x02
26 /* connection state (protected by c_mutex ) */
27 #define SLAP_C_INVALID 0x00 /* MUST BE ZERO (0) */
28 #define SLAP_C_INACTIVE 0x01 /* zero threads */
29 #define SLAP_C_ACTIVE 0x02 /* one or more threads */
30 #define SLAP_C_BINDING 0x03 /* binding */
31 #define SLAP_C_CLOSING 0x04 /* closing */
33 char* connection_state2str( int state ) {
35 case SLAP_C_INVALID: return "!";
36 case SLAP_C_INACTIVE: return "|";
37 case SLAP_C_ACTIVE: return "";
38 case SLAP_C_BINDING: return "B";
39 case SLAP_C_CLOSING: return "C";
45 static Connection* connection_get( ber_socket_t s );
47 static int connection_input( Connection *c );
48 static void connection_close( Connection *c );
50 static int connection_op_activate( Connection *conn, Operation *op );
51 static int connection_resched( Connection *conn );
52 static void connection_abandon( Connection *conn );
53 static void connection_destroy( Connection *c );
61 * Initialize connection management infrastructure.
63 int connections_init(void)
65 assert( connections == NULL );
67 if( connections != NULL) {
68 Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
73 /* should check return of every call */
74 ldap_pvt_thread_mutex_init( &connections_mutex );
76 connections = (Connection *) calloc( dtblsize, sizeof(Connection) );
78 if( connections == NULL ) {
79 Debug( LDAP_DEBUG_ANY,
80 "connections_init: allocation (%d*%ld) of connection array failed.\n",
81 dtblsize, (long) sizeof(Connection), 0 );
85 assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED );
86 assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED );
89 * per entry initialization of the Connection array initialization
90 * will be done by connection_init()
97 * Destroy connection management infrastructure.
99 int connections_destroy(void)
103 /* should check return of every call */
105 if( connections == NULL) {
106 Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
111 for ( i = 0; i < dtblsize; i++ ) {
112 if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
113 ldap_pvt_thread_mutex_destroy( &connections[i].c_mutex );
114 ldap_pvt_thread_mutex_destroy( &connections[i].c_write_mutex );
115 ldap_pvt_thread_cond_destroy( &connections[i].c_write_cv );
122 ldap_pvt_thread_mutex_destroy( &connections_mutex );
127 * shutdown all connections
129 int connections_shutdown(void)
133 ldap_pvt_thread_mutex_lock( &connections_mutex );
135 for ( i = 0; i < dtblsize; i++ ) {
136 if( connections[i].c_struct_state != SLAP_C_USED ) {
140 ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
142 /* connections_mutex and c_mutex are locked */
143 connection_closing( &connections[i] );
144 connection_close( &connections[i] );
146 ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
149 ldap_pvt_thread_mutex_unlock( &connections_mutex );
155 * Timeout idle connections.
157 int connections_timeout_idle(time_t now)
163 ldap_pvt_thread_mutex_lock( &connections_mutex );
165 for( c = connection_first( &connindex );
167 c = connection_next( c, &connindex ) )
169 if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
171 connection_closing( c );
172 connection_close( c );
176 connection_done( c );
178 ldap_pvt_thread_mutex_unlock( &connections_mutex );
183 static Connection* connection_get( ber_socket_t s )
185 /* connections_mutex should be locked by caller */
189 Debug( LDAP_DEBUG_ARGS,
190 "connection_get(%ld)\n",
193 assert( connections != NULL );
195 if(s == AC_SOCKET_INVALID) {
202 assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
209 for(i=0; i<dtblsize; i++) {
210 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
211 assert( connections[i].c_conn_state == SLAP_C_INVALID );
212 assert( connections[i].c_sb == 0 );
216 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
217 assert( connections[i].c_conn_state == SLAP_C_INVALID );
218 assert( !ber_pvt_sb_in_use( connections[i].c_sb ) );
222 /* state can actually change from used -> unused by resched,
223 * so don't assert details here.
226 if( ber_pvt_sb_get_desc( connections[i].c_sb ) == s ) {
235 ldap_pvt_thread_mutex_lock( &c->c_mutex );
237 if( c->c_struct_state != SLAP_C_USED ) {
238 /* connection must have been closed due to resched */
240 assert( c->c_conn_state == SLAP_C_INVALID );
241 assert( !ber_pvt_sb_in_use( c->c_sb ) );
243 Debug( LDAP_DEBUG_TRACE,
244 "connection_get(%d): connection not used.\n",
247 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
251 Debug( LDAP_DEBUG_TRACE,
252 "connection_get(%d): got connid=%ld\n",
257 assert( c->c_struct_state == SLAP_C_USED );
258 assert( c->c_conn_state != SLAP_C_INVALID );
259 assert( ber_pvt_sb_in_use( c->c_sb ) );
261 c->c_activitytime = slap_get_time();
267 static void connection_return( Connection *c )
269 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
272 long connection_init(
276 const char* peername,
277 const char* sockname,
283 assert( connections != NULL );
285 assert( dnsname != NULL );
286 assert( peername != NULL );
287 assert( sockname != NULL );
293 if( s == AC_SOCKET_INVALID ) {
294 Debug( LDAP_DEBUG_ANY,
295 "connection_init(%ld): invalid.\n",
302 assert( s < dtblsize );
305 ldap_pvt_thread_mutex_lock( &connections_mutex );
316 for( i=0; i < dtblsize; i++) {
317 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
318 assert( connections[i].c_sb == 0 );
323 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
324 assert( !ber_pvt_sb_in_use( connections[i].c_sb ));
329 assert( connections[i].c_struct_state == SLAP_C_USED );
330 assert( connections[i].c_conn_state != SLAP_C_INVALID );
331 assert( ber_pvt_sb_in_use( connections[i].c_sb ));
335 Debug( LDAP_DEBUG_ANY,
336 "connection_init(%d): connection table full (%d/%d).\n",
338 ldap_pvt_thread_mutex_unlock( &connections_mutex );
345 assert( c->c_struct_state != SLAP_C_USED );
346 assert( c->c_conn_state == SLAP_C_INVALID );
348 if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
352 c->c_listener_url = NULL;
353 c->c_peer_domain = NULL;
354 c->c_peer_name = NULL;
355 c->c_sock_name = NULL;
358 c->c_pending_ops = NULL;
359 c->c_authmech = NULL;
360 c->c_authstate = NULL;
362 #ifdef HAVE_CYRUS_SASL
363 c->c_sasl_context = NULL;
366 c->c_sb = ber_sockbuf_alloc( );
368 /* should check status of thread calls */
369 ldap_pvt_thread_mutex_init( &c->c_mutex );
370 ldap_pvt_thread_mutex_init( &c->c_write_mutex );
371 ldap_pvt_thread_cond_init( &c->c_write_cv );
373 c->c_struct_state = SLAP_C_UNUSED;
376 ldap_pvt_thread_mutex_lock( &c->c_mutex );
378 assert( c->c_struct_state == SLAP_C_UNUSED );
379 assert( c->c_dn == NULL );
380 assert( c->c_cdn == NULL );
381 assert( c->c_listener_url == NULL );
382 assert( c->c_peer_domain == NULL );
383 assert( c->c_peer_name == NULL );
384 assert( c->c_sock_name == NULL );
385 assert( c->c_ops == NULL );
386 assert( c->c_pending_ops == NULL );
387 assert( c->c_authmech == NULL );
388 assert( c->c_authstate == NULL );
389 #ifdef HAVE_CYRUS_SASL
390 assert( c->c_sasl_context == NULL );
393 c->c_listener_url = ch_strdup( url );
394 c->c_peer_domain = ch_strdup( dnsname );
395 c->c_peer_name = ch_strdup( peername );
396 c->c_sock_name = ch_strdup( sockname );
398 c->c_n_ops_received = 0;
399 c->c_n_ops_executing = 0;
400 c->c_n_ops_pending = 0;
401 c->c_n_ops_completed = 0;
407 c->c_activitytime = c->c_starttime = slap_get_time();
409 ber_pvt_sb_set_desc( c->c_sb, s );
410 ber_pvt_sb_set_io( c->c_sb, &ber_pvt_sb_io_tcp, NULL );
412 if( ber_pvt_sb_set_nonblock( c->c_sb, 1 ) < 0 ) {
413 Debug( LDAP_DEBUG_ANY,
414 "connection_init(%d, %s): set nonblocking failed\n",
415 s, c->c_peer_name,0 );
418 id = c->c_connid = conn_nextid++;
420 c->c_conn_state = SLAP_C_INACTIVE;
421 c->c_struct_state = SLAP_C_USED;
426 c->c_needs_tls_accept = 1;
430 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
431 ldap_pvt_thread_mutex_unlock( &connections_mutex );
433 backend_connection_init(c);
439 connection_destroy( Connection *c )
441 /* note: connections_mutex should be locked by caller */
443 assert( connections != NULL );
445 assert( c->c_struct_state != SLAP_C_UNUSED );
446 assert( c->c_conn_state != SLAP_C_INVALID );
447 assert( c->c_ops == NULL );
449 backend_connection_destroy(c);
454 c->c_activitytime = c->c_starttime = 0;
456 if(c->c_dn != NULL) {
460 if(c->c_cdn != NULL) {
464 if(c->c_listener_url != NULL) {
465 free(c->c_listener_url);
466 c->c_listener_url = NULL;
468 if(c->c_peer_domain != NULL) {
469 free(c->c_peer_domain);
470 c->c_peer_domain = NULL;
472 if(c->c_peer_name != NULL) {
473 free(c->c_peer_name);
474 c->c_peer_name = NULL;
476 if(c->c_sock_name != NULL) {
477 free(c->c_sock_name);
478 c->c_sock_name = NULL;
480 if(c->c_authmech != NULL ) {
482 c->c_authmech = NULL;
484 if(c->c_authstate != NULL ) {
485 free(c->c_authstate);
486 c->c_authstate = NULL;
489 #ifdef HAVE_CYRUS_SASL
490 if(c->c_sasl_context != NULL ) {
491 sasl_dispose( &c->c_sasl_context );
492 c->c_sasl_context = NULL;
496 if ( ber_pvt_sb_in_use(c->c_sb) ) {
497 int sd = ber_pvt_sb_get_desc(c->c_sb);
499 slapd_remove( sd, 0 );
500 ber_pvt_sb_close( c->c_sb );
502 Statslog( LDAP_DEBUG_STATS,
503 "conn=%d fd=%d closed.\n",
504 c->c_connid, sd, 0, 0, 0 );
507 ber_pvt_sb_destroy( c->c_sb );
509 c->c_conn_state = SLAP_C_INVALID;
510 c->c_struct_state = SLAP_C_UNUSED;
513 int connection_state_closing( Connection *c )
515 /* c_mutex must be locked by caller */
519 assert( c->c_struct_state == SLAP_C_USED );
521 state = c->c_conn_state;
523 assert( state != SLAP_C_INVALID );
525 return state == SLAP_C_CLOSING;
528 static void connection_abandon( Connection *c )
530 /* c_mutex must be locked by caller */
534 for( o = c->c_ops; o != NULL; o = o->o_next ) {
535 ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
537 ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
540 /* remove pending operations */
541 for( o = slap_op_pop( &c->c_pending_ops );
543 o = slap_op_pop( &c->c_pending_ops ) )
549 void connection_closing( Connection *c )
551 assert( connections != NULL );
553 assert( c->c_struct_state == SLAP_C_USED );
554 assert( c->c_conn_state != SLAP_C_INVALID );
556 /* c_mutex must be locked by caller */
558 if( c->c_conn_state != SLAP_C_CLOSING ) {
560 Debug( LDAP_DEBUG_TRACE,
561 "connection_closing: readying conn=%ld sd=%d for close.\n",
562 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
564 /* update state to closing */
565 c->c_conn_state = SLAP_C_CLOSING;
567 /* don't listen on this port anymore */
568 slapd_clr_read( ber_pvt_sb_get_desc( c->c_sb ), 1 );
570 /* shutdown I/O -- not yet implemented */
572 /* abandon active operations */
573 connection_abandon( c );
575 /* wake write blocked operations */
576 slapd_clr_write( ber_pvt_sb_get_desc(c->c_sb), 1 );
577 ldap_pvt_thread_cond_signal( &c->c_write_cv );
581 static void connection_close( Connection *c )
583 assert( connections != NULL );
585 assert( c->c_struct_state == SLAP_C_USED );
586 assert( c->c_conn_state == SLAP_C_CLOSING );
588 /* note: connections_mutex and c_mutex should be locked by caller */
590 if( c->c_ops != NULL ) {
591 Debug( LDAP_DEBUG_TRACE,
592 "connection_close: deferring conn=%ld sd=%d.\n",
593 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
598 Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%ld sd=%d.\n",
599 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
601 connection_destroy( c );
604 unsigned long connections_nextid(void)
607 assert( connections != NULL );
609 ldap_pvt_thread_mutex_lock( &connections_mutex );
613 ldap_pvt_thread_mutex_unlock( &connections_mutex );
618 Connection* connection_first( ber_socket_t *index )
620 assert( connections != NULL );
621 assert( index != NULL );
623 ldap_pvt_thread_mutex_lock( &connections_mutex );
627 return connection_next(NULL, index);
630 Connection* connection_next( Connection *c, ber_socket_t *index )
632 assert( connections != NULL );
633 assert( index != NULL );
634 assert( *index <= dtblsize );
637 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
642 for(; *index < dtblsize; (*index)++) {
643 if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
644 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
652 if( connections[*index].c_struct_state == SLAP_C_USED ) {
653 assert( connections[*index].c_conn_state != SLAP_C_INVALID );
654 c = &connections[(*index)++];
658 assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
659 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
663 ldap_pvt_thread_mutex_lock( &c->c_mutex );
669 void connection_done( Connection *c )
671 assert( connections != NULL );
674 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
677 ldap_pvt_thread_mutex_unlock( &connections_mutex );
681 * connection_activity - handle the request operation op on connection
682 * conn. This routine figures out what kind of operation it is and
683 * calls the appropriate stub to handle it.
687 connection_operation( void *arg_v )
690 struct co_arg *arg = arg_v;
691 ber_tag_t tag = arg->co_op->o_tag;
692 Connection *conn = arg->co_conn;
694 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
696 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
700 rc = do_bind( conn, arg->co_op );
703 case LDAP_REQ_UNBIND:
704 rc = do_unbind( conn, arg->co_op );
708 rc = do_add( conn, arg->co_op );
711 case LDAP_REQ_DELETE:
712 rc = do_delete( conn, arg->co_op );
715 case LDAP_REQ_MODRDN:
716 rc = do_modrdn( conn, arg->co_op );
719 case LDAP_REQ_MODIFY:
720 rc = do_modify( conn, arg->co_op );
723 case LDAP_REQ_COMPARE:
724 rc = do_compare( conn, arg->co_op );
727 case LDAP_REQ_SEARCH:
728 rc = do_search( conn, arg->co_op );
731 case LDAP_REQ_ABANDON:
732 rc = do_abandon( conn, arg->co_op );
735 case LDAP_REQ_EXTENDED:
736 rc = do_extended( conn, arg->co_op );
740 Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
742 arg->co_op->o_tag = LBER_ERROR;
743 send_ldap_disconnect( conn, arg->co_op,
744 LDAP_PROTOCOL_ERROR, "unknown LDAP request" );
749 if( rc == -1 ) tag = LBER_ERROR;
751 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
753 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
755 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
757 conn->c_n_ops_executing--;
758 conn->c_n_ops_completed++;
760 slap_op_remove( &conn->c_ops, arg->co_op );
761 slap_op_free( arg->co_op );
764 free( (char *) arg );
769 case LDAP_REQ_UNBIND:
770 /* c_mutex is locked */
771 connection_closing( conn );
775 if( conn->c_conn_state == SLAP_C_BINDING) {
776 conn->c_conn_state = SLAP_C_ACTIVE;
778 conn->c_bind_in_progress = ( rc == LDAP_SASL_BIND_IN_PROGRESS );
781 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
783 if( active_threads < 1 ) {
784 ldap_pvt_thread_cond_signal(&active_threads_cond);
786 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
788 connection_resched( conn );
790 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
795 int connection_read(ber_socket_t s)
799 assert( connections != NULL );
801 ldap_pvt_thread_mutex_lock( &connections_mutex );
803 /* get (locked) connection */
804 c = connection_get( s );
807 Debug( LDAP_DEBUG_ANY,
808 "connection_read(%ld): no connection!\n",
813 ldap_pvt_thread_mutex_unlock( &connections_mutex );
819 if( c->c_conn_state == SLAP_C_CLOSING ) {
820 Debug( LDAP_DEBUG_TRACE,
821 "connection_read(%d): closing, ignoring input for id=%ld\n",
824 connection_return( c );
825 ldap_pvt_thread_mutex_unlock( &connections_mutex );
829 Debug( LDAP_DEBUG_TRACE,
830 "connection_read(%d): checking for input on id=%ld\n",
834 if ( c->c_is_tls && c->c_needs_tls_accept ) {
835 rc = ldap_pvt_tls_accept( c->c_sb, NULL );
837 Debug( LDAP_DEBUG_TRACE,
838 "connection_read(%d): TLS accept error error=%d id=%ld, closing.\n",
839 s, rc, c->c_connid );
841 c->c_needs_tls_accept = 0;
842 /* connections_mutex and c_mutex are locked */
843 connection_closing( c );
844 connection_close( c );
845 } else if ( rc == 0 ) {
846 c->c_needs_tls_accept = 0;
848 connection_return( c );
849 ldap_pvt_thread_mutex_unlock( &connections_mutex );
854 #define CONNECTION_INPUT_LOOP 1
856 #ifdef DATA_READY_LOOP
857 while(!rc && ber_pvt_sb_data_ready(&c->c_sb))
858 #elif CONNECTION_INPUT_LOOP
862 /* How do we do this without getting into a busy loop ? */
863 rc = connection_input( c );
867 Debug( LDAP_DEBUG_TRACE,
868 "connection_read(%d): input error=%d id=%ld, closing.\n",
869 s, rc, c->c_connid );
871 /* connections_mutex and c_mutex are locked */
872 connection_closing( c );
873 connection_close( c );
876 if ( ber_pvt_sb_needs_read( c->c_sb ) )
877 slapd_set_read( s, 1 );
878 if ( ber_pvt_sb_needs_write( c->c_sb ) )
879 slapd_set_write( s, 1 );
880 connection_return( c );
881 ldap_pvt_thread_mutex_unlock( &connections_mutex );
896 if ( conn->c_currentber == NULL && (conn->c_currentber = ber_alloc())
898 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
903 if ( (tag = ber_get_next( conn->c_sb, &len, conn->c_currentber ))
904 != LDAP_TAG_MESSAGE )
908 Debug( LDAP_DEBUG_TRACE,
909 "ber_get_next on fd %d failed errno %d (%s)\n",
910 ber_pvt_sb_get_desc( conn->c_sb ), err,
911 err > -1 && err < sys_nerr ? sys_errlist[err] : "unknown" );
912 Debug( LDAP_DEBUG_TRACE,
913 "\t*** got %ld of %lu so far\n",
914 (long)(conn->c_currentber->ber_rwptr - conn->c_currentber->ber_buf),
915 conn->c_currentber->ber_len, 0 );
917 if ( err != EWOULDBLOCK && err != EAGAIN ) {
918 /* log, close and send error */
919 ber_free( conn->c_currentber, 1 );
920 conn->c_currentber = NULL;
927 ber = conn->c_currentber;
928 conn->c_currentber = NULL;
930 if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
931 /* log, close and send error */
932 Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0,
938 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
939 /* log, close and send error */
940 Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0,
947 if(tag == LDAP_REQ_BIND) {
948 /* immediately abandon all exiting operations upon BIND */
949 connection_abandon( conn );
952 op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
954 if ( conn->c_conn_state == SLAP_C_BINDING
955 || conn->c_conn_state == SLAP_C_CLOSING )
957 Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 );
958 conn->c_n_ops_pending++;
959 slap_op_add( &conn->c_pending_ops, op );
962 conn->c_n_ops_executing++;
963 connection_op_activate( conn, op );
967 if ( conn->c_struct_state != SLAP_C_USED ) {
968 /* connection must have got closed underneath us */
972 assert( conn->c_struct_state == SLAP_C_USED );
978 connection_resched( Connection *conn )
982 if( conn->c_conn_state == SLAP_C_CLOSING ) {
983 Debug( LDAP_DEBUG_TRACE,
984 "connection_resched: attempting closing conn=%ld sd=%d.\n",
985 conn->c_connid, ber_pvt_sb_get_desc( conn->c_sb ), 0 );
987 connection_close( conn );
991 if( conn->c_conn_state != SLAP_C_ACTIVE ) {
992 /* other states need different handling */
996 for( op = slap_op_pop( &conn->c_pending_ops );
998 op = slap_op_pop( &conn->c_pending_ops ) )
1000 /* pending operations should not be marked for abandonment */
1001 assert(!op->o_abandon);
1003 conn->c_n_ops_pending--;
1004 conn->c_n_ops_executing++;
1006 connection_op_activate( conn, op );
1008 if ( conn->c_conn_state == SLAP_C_BINDING ) {
1015 static int connection_op_activate( Connection *conn, Operation *op )
1020 ber_tag_t tag = op->o_tag;
1022 if(tag == LDAP_REQ_BIND) {
1023 conn->c_conn_state = SLAP_C_BINDING;
1026 if ( conn->c_dn != NULL ) {
1027 tmpdn = ch_strdup( conn->c_dn );
1032 arg = (struct co_arg *) ch_malloc( sizeof(struct co_arg) );
1033 arg->co_conn = conn;
1036 arg->co_op->o_bind_in_progress = conn->c_bind_in_progress;
1038 arg->co_op->o_dn = ch_strdup( tmpdn != NULL ? tmpdn : "" );
1039 arg->co_op->o_ndn = ch_strdup( arg->co_op->o_dn );
1040 (void) dn_normalize_case( arg->co_op->o_ndn );
1042 arg->co_op->o_protocol = conn->c_protocol;
1043 arg->co_op->o_connid = conn->c_connid;
1045 arg->co_op->o_authtype = conn->c_authtype;
1046 arg->co_op->o_authmech = conn->c_authmech != NULL
1047 ? ch_strdup( conn->c_authmech ) : NULL;
1049 slap_op_add( &conn->c_ops, arg->co_op );
1051 if( tmpdn != NULL ) {
1055 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
1057 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
1059 status = ldap_pvt_thread_create( &arg->co_op->o_tid, 1,
1060 connection_operation, (void *) arg );
1062 if ( status != 0 ) {
1063 Debug( LDAP_DEBUG_ANY,
1064 "ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
1066 /* should move op to pending list */
1072 int connection_write(ber_socket_t s)
1075 assert( connections != NULL );
1077 ldap_pvt_thread_mutex_lock( &connections_mutex );
1079 c = connection_get( s );
1081 slapd_clr_write( s, 0);
1084 Debug( LDAP_DEBUG_ANY,
1085 "connection_write(%ld): no connection!\n",
1088 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1094 Debug( LDAP_DEBUG_TRACE,
1095 "connection_write(%d): waking output for id=%ld\n",
1096 s, c->c_connid, 0 );
1098 ldap_pvt_thread_cond_signal( &c->c_write_cv );
1100 if ( ber_pvt_sb_needs_read( c->c_sb ) )
1101 slapd_set_read( s, 1 );
1102 if ( ber_pvt_sb_needs_write( c->c_sb ) )
1103 slapd_set_write( s, 1 );
1104 connection_return( c );
1105 ldap_pvt_thread_mutex_unlock( &connections_mutex );