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 c->c_sb = ber_sockbuf_alloc( );
364 /* should check status of thread calls */
365 ldap_pvt_thread_mutex_init( &c->c_mutex );
366 ldap_pvt_thread_mutex_init( &c->c_write_mutex );
367 ldap_pvt_thread_cond_init( &c->c_write_cv );
369 c->c_struct_state = SLAP_C_UNUSED;
372 ldap_pvt_thread_mutex_lock( &c->c_mutex );
374 assert( c->c_struct_state == SLAP_C_UNUSED );
375 assert( c->c_dn == NULL );
376 assert( c->c_cdn == NULL );
377 assert( c->c_listener_url == NULL );
378 assert( c->c_peer_domain == NULL );
379 assert( c->c_peer_name == NULL );
380 assert( c->c_sock_name == NULL );
381 assert( c->c_ops == NULL );
382 assert( c->c_pending_ops == NULL );
383 assert( c->c_authmech == NULL );
384 assert( c->c_authstate == NULL );
386 c->c_listener_url = ch_strdup( url );
387 c->c_peer_domain = ch_strdup( dnsname );
388 c->c_peer_name = ch_strdup( peername );
389 c->c_sock_name = ch_strdup( sockname );
391 c->c_n_ops_received = 0;
392 c->c_n_ops_executing = 0;
393 c->c_n_ops_pending = 0;
394 c->c_n_ops_completed = 0;
400 c->c_activitytime = c->c_starttime = slap_get_time();
402 ber_pvt_sb_set_desc( c->c_sb, s );
403 ber_pvt_sb_set_io( c->c_sb, &ber_pvt_sb_io_tcp, NULL );
405 if( ber_pvt_sb_set_nonblock( c->c_sb, 1 ) < 0 ) {
406 Debug( LDAP_DEBUG_ANY,
407 "connection_init(%d, %s): set nonblocking failed\n",
408 s, c->c_peer_name,0 );
411 id = c->c_connid = conn_nextid++;
413 c->c_conn_state = SLAP_C_INACTIVE;
414 c->c_struct_state = SLAP_C_USED;
419 c->c_needs_tls_accept = 1;
423 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
424 ldap_pvt_thread_mutex_unlock( &connections_mutex );
426 backend_connection_init(c);
432 connection_destroy( Connection *c )
434 /* note: connections_mutex should be locked by caller */
436 assert( connections != NULL );
438 assert( c->c_struct_state != SLAP_C_UNUSED );
439 assert( c->c_conn_state != SLAP_C_INVALID );
440 assert( c->c_ops == NULL );
442 backend_connection_destroy(c);
447 c->c_activitytime = c->c_starttime = 0;
449 if(c->c_dn != NULL) {
453 if(c->c_cdn != NULL) {
457 if(c->c_listener_url != NULL) {
458 free(c->c_listener_url);
459 c->c_listener_url = NULL;
461 if(c->c_peer_domain != NULL) {
462 free(c->c_peer_domain);
463 c->c_peer_domain = NULL;
465 if(c->c_peer_name != NULL) {
466 free(c->c_peer_name);
467 c->c_peer_name = NULL;
469 if(c->c_sock_name != NULL) {
470 free(c->c_sock_name);
471 c->c_sock_name = NULL;
473 if(c->c_authmech != NULL ) {
475 c->c_authmech = NULL;
477 if(c->c_authstate != NULL ) {
478 free(c->c_authstate);
479 c->c_authstate = NULL;
482 if ( ber_pvt_sb_in_use(c->c_sb) ) {
483 int sd = ber_pvt_sb_get_desc(c->c_sb);
485 slapd_remove( sd, 0 );
486 ber_pvt_sb_close( c->c_sb );
488 Statslog( LDAP_DEBUG_STATS,
489 "conn=%d fd=%d closed.\n",
490 c->c_connid, sd, 0, 0, 0 );
493 ber_pvt_sb_destroy( c->c_sb );
495 c->c_conn_state = SLAP_C_INVALID;
496 c->c_struct_state = SLAP_C_UNUSED;
499 int connection_state_closing( Connection *c )
501 /* c_mutex must be locked by caller */
505 assert( c->c_struct_state == SLAP_C_USED );
507 state = c->c_conn_state;
509 assert( state != SLAP_C_INVALID );
511 return state == SLAP_C_CLOSING;
514 static void connection_abandon( Connection *c )
516 /* c_mutex must be locked by caller */
520 for( o = c->c_ops; o != NULL; o = o->o_next ) {
521 ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
523 ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
526 /* remove pending operations */
527 for( o = slap_op_pop( &c->c_pending_ops );
529 o = slap_op_pop( &c->c_pending_ops ) )
535 void connection_closing( Connection *c )
537 assert( connections != NULL );
539 assert( c->c_struct_state == SLAP_C_USED );
540 assert( c->c_conn_state != SLAP_C_INVALID );
542 /* c_mutex must be locked by caller */
544 if( c->c_conn_state != SLAP_C_CLOSING ) {
546 Debug( LDAP_DEBUG_TRACE,
547 "connection_closing: readying conn=%ld sd=%d for close.\n",
548 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
550 /* update state to closing */
551 c->c_conn_state = SLAP_C_CLOSING;
553 /* don't listen on this port anymore */
554 slapd_clr_read( ber_pvt_sb_get_desc( c->c_sb ), 1 );
556 /* shutdown I/O -- not yet implemented */
558 /* abandon active operations */
559 connection_abandon( c );
561 /* wake write blocked operations */
562 slapd_clr_write( ber_pvt_sb_get_desc(c->c_sb), 1 );
563 ldap_pvt_thread_cond_signal( &c->c_write_cv );
567 static void connection_close( Connection *c )
569 assert( connections != NULL );
571 assert( c->c_struct_state == SLAP_C_USED );
572 assert( c->c_conn_state == SLAP_C_CLOSING );
574 /* note: connections_mutex and c_mutex should be locked by caller */
576 if( c->c_ops != NULL ) {
577 Debug( LDAP_DEBUG_TRACE,
578 "connection_close: deferring conn=%ld sd=%d.\n",
579 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
584 Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%ld sd=%d.\n",
585 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
587 connection_destroy( c );
590 unsigned long connections_nextid(void)
593 assert( connections != NULL );
595 ldap_pvt_thread_mutex_lock( &connections_mutex );
599 ldap_pvt_thread_mutex_unlock( &connections_mutex );
604 Connection* connection_first( ber_socket_t *index )
606 assert( connections != NULL );
607 assert( index != NULL );
609 ldap_pvt_thread_mutex_lock( &connections_mutex );
613 return connection_next(NULL, index);
616 Connection* connection_next( Connection *c, ber_socket_t *index )
618 assert( connections != NULL );
619 assert( index != NULL );
620 assert( *index <= dtblsize );
623 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
628 for(; *index < dtblsize; (*index)++) {
629 if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
630 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
638 if( connections[*index].c_struct_state == SLAP_C_USED ) {
639 assert( connections[*index].c_conn_state != SLAP_C_INVALID );
640 c = &connections[(*index)++];
644 assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
645 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
649 ldap_pvt_thread_mutex_lock( &c->c_mutex );
655 void connection_done( Connection *c )
657 assert( connections != NULL );
660 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
663 ldap_pvt_thread_mutex_unlock( &connections_mutex );
667 * connection_activity - handle the request operation op on connection
668 * conn. This routine figures out what kind of operation it is and
669 * calls the appropriate stub to handle it.
673 connection_operation( void *arg_v )
676 struct co_arg *arg = arg_v;
677 ber_tag_t tag = arg->co_op->o_tag;
678 Connection *conn = arg->co_conn;
680 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
682 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
686 rc = do_bind( conn, arg->co_op );
689 case LDAP_REQ_UNBIND:
690 rc = do_unbind( conn, arg->co_op );
694 rc = do_add( conn, arg->co_op );
697 case LDAP_REQ_DELETE:
698 rc = do_delete( conn, arg->co_op );
701 case LDAP_REQ_MODRDN:
702 rc = do_modrdn( conn, arg->co_op );
705 case LDAP_REQ_MODIFY:
706 rc = do_modify( conn, arg->co_op );
709 case LDAP_REQ_COMPARE:
710 rc = do_compare( conn, arg->co_op );
713 case LDAP_REQ_SEARCH:
714 rc = do_search( conn, arg->co_op );
717 case LDAP_REQ_ABANDON:
718 rc = do_abandon( conn, arg->co_op );
721 case LDAP_REQ_EXTENDED:
722 rc = do_extended( conn, arg->co_op );
726 Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
728 arg->co_op->o_tag = LBER_ERROR;
729 send_ldap_disconnect( conn, arg->co_op,
730 LDAP_PROTOCOL_ERROR, "unknown LDAP request" );
735 if( rc == -1 ) tag = LBER_ERROR;
737 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
739 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
741 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
743 conn->c_n_ops_executing--;
744 conn->c_n_ops_completed++;
746 slap_op_remove( &conn->c_ops, arg->co_op );
747 slap_op_free( arg->co_op );
750 free( (char *) arg );
755 case LDAP_REQ_UNBIND:
756 /* c_mutex is locked */
757 connection_closing( conn );
761 if( conn->c_conn_state == SLAP_C_BINDING) {
762 conn->c_conn_state = SLAP_C_ACTIVE;
764 conn->c_bind_in_progress = ( rc == LDAP_SASL_BIND_IN_PROGRESS );
767 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
769 if( active_threads < 1 ) {
770 ldap_pvt_thread_cond_signal(&active_threads_cond);
772 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
774 connection_resched( conn );
776 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
781 int connection_read(ber_socket_t s)
785 assert( connections != NULL );
787 ldap_pvt_thread_mutex_lock( &connections_mutex );
789 /* get (locked) connection */
790 c = connection_get( s );
793 Debug( LDAP_DEBUG_ANY,
794 "connection_read(%ld): no connection!\n",
799 ldap_pvt_thread_mutex_unlock( &connections_mutex );
805 if( c->c_conn_state == SLAP_C_CLOSING ) {
806 Debug( LDAP_DEBUG_TRACE,
807 "connection_read(%d): closing, ignoring input for id=%ld\n",
810 connection_return( c );
811 ldap_pvt_thread_mutex_unlock( &connections_mutex );
815 Debug( LDAP_DEBUG_TRACE,
816 "connection_read(%d): checking for input on id=%ld\n",
820 if ( c->c_is_tls && c->c_needs_tls_accept ) {
821 rc = ldap_pvt_tls_accept( c->c_sb, NULL );
823 Debug( LDAP_DEBUG_TRACE,
824 "connection_read(%d): TLS accept error error=%d id=%ld, closing.\n",
825 s, rc, c->c_connid );
827 c->c_needs_tls_accept = 0;
828 /* connections_mutex and c_mutex are locked */
829 connection_closing( c );
830 connection_close( c );
831 } else if ( rc == 0 ) {
832 c->c_needs_tls_accept = 0;
834 connection_return( c );
835 ldap_pvt_thread_mutex_unlock( &connections_mutex );
840 #define CONNECTION_INPUT_LOOP 1
842 #ifdef DATA_READY_LOOP
843 while(!rc && ber_pvt_sb_data_ready(&c->c_sb))
844 #elif CONNECTION_INPUT_LOOP
848 /* How do we do this without getting into a busy loop ? */
849 rc = connection_input( c );
853 Debug( LDAP_DEBUG_TRACE,
854 "connection_read(%d): input error=%d id=%ld, closing.\n",
855 s, rc, c->c_connid );
857 /* connections_mutex and c_mutex are locked */
858 connection_closing( c );
859 connection_close( c );
862 if ( ber_pvt_sb_needs_read( c->c_sb ) )
863 slapd_set_read( s, 1 );
864 if ( ber_pvt_sb_needs_write( c->c_sb ) )
865 slapd_set_write( s, 1 );
866 connection_return( c );
867 ldap_pvt_thread_mutex_unlock( &connections_mutex );
882 if ( conn->c_currentber == NULL && (conn->c_currentber = ber_alloc())
884 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
889 if ( (tag = ber_get_next( conn->c_sb, &len, conn->c_currentber ))
890 != LDAP_TAG_MESSAGE )
894 Debug( LDAP_DEBUG_TRACE,
895 "ber_get_next on fd %d failed errno %d (%s)\n",
896 ber_pvt_sb_get_desc( conn->c_sb ), err,
897 err > -1 && err < sys_nerr ? sys_errlist[err] : "unknown" );
898 Debug( LDAP_DEBUG_TRACE,
899 "\t*** got %ld of %lu so far\n",
900 (long)(conn->c_currentber->ber_rwptr - conn->c_currentber->ber_buf),
901 conn->c_currentber->ber_len, 0 );
903 if ( err != EWOULDBLOCK && err != EAGAIN ) {
904 /* log, close and send error */
905 ber_free( conn->c_currentber, 1 );
906 conn->c_currentber = NULL;
913 ber = conn->c_currentber;
914 conn->c_currentber = NULL;
916 if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
917 /* log, close and send error */
918 Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0,
924 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
925 /* log, close and send error */
926 Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0,
933 if(tag == LDAP_REQ_BIND) {
934 /* immediately abandon all exiting operations upon BIND */
935 connection_abandon( conn );
938 op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
940 if ( conn->c_conn_state == SLAP_C_BINDING
941 || conn->c_conn_state == SLAP_C_CLOSING )
943 Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 );
944 conn->c_n_ops_pending++;
945 slap_op_add( &conn->c_pending_ops, op );
948 conn->c_n_ops_executing++;
949 connection_op_activate( conn, op );
953 if ( conn->c_struct_state != SLAP_C_USED ) {
954 /* connection must have got closed underneath us */
958 assert( conn->c_struct_state == SLAP_C_USED );
964 connection_resched( Connection *conn )
968 if( conn->c_conn_state == SLAP_C_CLOSING ) {
969 Debug( LDAP_DEBUG_TRACE,
970 "connection_resched: attempting closing conn=%ld sd=%d.\n",
971 conn->c_connid, ber_pvt_sb_get_desc( conn->c_sb ), 0 );
973 connection_close( conn );
977 if( conn->c_conn_state != SLAP_C_ACTIVE ) {
978 /* other states need different handling */
982 for( op = slap_op_pop( &conn->c_pending_ops );
984 op = slap_op_pop( &conn->c_pending_ops ) )
986 /* pending operations should not be marked for abandonment */
987 assert(!op->o_abandon);
989 conn->c_n_ops_pending--;
990 conn->c_n_ops_executing++;
992 connection_op_activate( conn, op );
994 if ( conn->c_conn_state == SLAP_C_BINDING ) {
1001 static int connection_op_activate( Connection *conn, Operation *op )
1006 ber_tag_t tag = op->o_tag;
1008 if(tag == LDAP_REQ_BIND) {
1009 conn->c_conn_state = SLAP_C_BINDING;
1012 if ( conn->c_dn != NULL ) {
1013 tmpdn = ch_strdup( conn->c_dn );
1018 arg = (struct co_arg *) ch_malloc( sizeof(struct co_arg) );
1019 arg->co_conn = conn;
1022 arg->co_op->o_bind_in_progress = conn->c_bind_in_progress;
1024 arg->co_op->o_dn = ch_strdup( tmpdn != NULL ? tmpdn : "" );
1025 arg->co_op->o_ndn = ch_strdup( arg->co_op->o_dn );
1026 (void) dn_normalize_case( arg->co_op->o_ndn );
1028 arg->co_op->o_protocol = conn->c_protocol;
1029 arg->co_op->o_connid = conn->c_connid;
1031 arg->co_op->o_authtype = conn->c_authtype;
1032 arg->co_op->o_authmech = conn->c_authmech != NULL
1033 ? ch_strdup( conn->c_authmech ) : NULL;
1035 slap_op_add( &conn->c_ops, arg->co_op );
1037 if( tmpdn != NULL ) {
1041 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
1043 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
1045 status = ldap_pvt_thread_create( &arg->co_op->o_tid, 1,
1046 connection_operation, (void *) arg );
1048 if ( status != 0 ) {
1049 Debug( LDAP_DEBUG_ANY,
1050 "ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
1052 /* should move op to pending list */
1058 int connection_write(ber_socket_t s)
1061 assert( connections != NULL );
1063 ldap_pvt_thread_mutex_lock( &connections_mutex );
1065 c = connection_get( s );
1067 slapd_clr_write( s, 0);
1070 Debug( LDAP_DEBUG_ANY,
1071 "connection_write(%ld): no connection!\n",
1074 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1080 Debug( LDAP_DEBUG_TRACE,
1081 "connection_write(%d): waking output for id=%ld\n",
1082 s, c->c_connid, 0 );
1084 ldap_pvt_thread_cond_signal( &c->c_write_cv );
1086 if ( ber_pvt_sb_needs_read( c->c_sb ) )
1087 slapd_set_read( s, 1 );
1088 if ( ber_pvt_sb_needs_write( c->c_sb ) )
1089 slapd_set_write( s, 1 );
1090 connection_return( c );
1091 ldap_pvt_thread_mutex_unlock( &connections_mutex );