2 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
3 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
10 #include <ac/socket.h>
12 #include <ac/signal.h>
13 #include <ac/string.h>
18 /* we need LBER internals */
19 #include "../../libraries/liblber/lber-int.h"
21 /* protected by connections_mutex */
22 static ldap_pvt_thread_mutex_t connections_mutex;
23 static Connection *connections = NULL;
24 static unsigned long conn_nextid = 0;
26 /* structure state (protected by connections_mutex) */
27 #define SLAP_C_UNINITIALIZED 0x00 /* MUST BE ZERO (0) */
28 #define SLAP_C_UNUSED 0x01
29 #define SLAP_C_USED 0x02
31 /* connection state (protected by c_mutex ) */
32 #define SLAP_C_INVALID 0x00 /* MUST BE ZERO (0) */
33 #define SLAP_C_INACTIVE 0x01 /* zero threads */
34 #define SLAP_C_ACTIVE 0x02 /* one or more threads */
35 #define SLAP_C_BINDING 0x03 /* binding */
36 #define SLAP_C_CLOSING 0x04 /* closing */
38 char* connection_state2str( int state ) {
40 case SLAP_C_INVALID: return "!";
41 case SLAP_C_INACTIVE: return "|";
42 case SLAP_C_ACTIVE: return "";
43 case SLAP_C_BINDING: return "B";
44 case SLAP_C_CLOSING: return "C";
50 static Connection* connection_get( ber_socket_t s );
52 static int connection_input( Connection *c );
53 static void connection_close( Connection *c );
55 static int connection_op_activate( Connection *conn, Operation *op );
56 static int connection_resched( Connection *conn );
57 static void connection_abandon( Connection *conn );
58 static void connection_destroy( Connection *c );
66 * Initialize connection management infrastructure.
68 int connections_init(void)
70 assert( connections == NULL );
72 if( connections != NULL) {
73 Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
78 /* should check return of every call */
79 ldap_pvt_thread_mutex_init( &connections_mutex );
81 connections = (Connection *) calloc( dtblsize, sizeof(Connection) );
83 if( connections == NULL ) {
84 Debug( LDAP_DEBUG_ANY,
85 "connections_init: allocation (%d*%ld) of connection array failed\n",
86 dtblsize, (long) sizeof(Connection), 0 );
90 assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED );
91 assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED );
94 * per entry initialization of the Connection array initialization
95 * will be done by connection_init()
102 * Destroy connection management infrastructure.
104 int connections_destroy(void)
108 /* should check return of every call */
110 if( connections == NULL) {
111 Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
116 for ( i = 0; i < dtblsize; i++ ) {
117 if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
118 ber_sockbuf_free( connections[i].c_sb );
119 ldap_pvt_thread_mutex_destroy( &connections[i].c_mutex );
120 ldap_pvt_thread_mutex_destroy( &connections[i].c_write_mutex );
121 ldap_pvt_thread_cond_destroy( &connections[i].c_write_cv );
128 ldap_pvt_thread_mutex_destroy( &connections_mutex );
133 * shutdown all connections
135 int connections_shutdown(void)
139 ldap_pvt_thread_mutex_lock( &connections_mutex );
141 for ( i = 0; i < dtblsize; i++ ) {
142 if( connections[i].c_struct_state != SLAP_C_USED ) {
146 ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
148 /* connections_mutex and c_mutex are locked */
149 connection_closing( &connections[i] );
150 connection_close( &connections[i] );
152 ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
155 ldap_pvt_thread_mutex_unlock( &connections_mutex );
161 * Timeout idle connections.
163 int connections_timeout_idle(time_t now)
169 ldap_pvt_thread_mutex_lock( &connections_mutex );
171 for( c = connection_first( &connindex );
173 c = connection_next( c, &connindex ) )
175 if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
177 connection_closing( c );
178 connection_close( c );
182 connection_done( c );
184 ldap_pvt_thread_mutex_unlock( &connections_mutex );
189 static Connection* connection_get( ber_socket_t s )
191 /* connections_mutex should be locked by caller */
195 Debug( LDAP_DEBUG_ARGS,
196 "connection_get(%ld)\n",
199 assert( connections != NULL );
201 if(s == AC_SOCKET_INVALID) {
208 assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
215 for(i=0; i<dtblsize; i++) {
216 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
217 assert( connections[i].c_conn_state == SLAP_C_INVALID );
218 assert( connections[i].c_sb == 0 );
222 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
223 assert( connections[i].c_conn_state == SLAP_C_INVALID );
224 assert( !ber_pvt_sb_in_use( connections[i].c_sb ) );
228 /* state can actually change from used -> unused by resched,
229 * so don't assert details here.
232 if( ber_pvt_sb_get_desc( connections[i].c_sb ) == s ) {
241 ldap_pvt_thread_mutex_lock( &c->c_mutex );
243 if( c->c_struct_state != SLAP_C_USED ) {
244 /* connection must have been closed due to resched */
246 assert( c->c_conn_state == SLAP_C_INVALID );
247 assert( !ber_pvt_sb_in_use( c->c_sb ) );
249 Debug( LDAP_DEBUG_TRACE,
250 "connection_get(%d): connection not used\n",
253 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
257 Debug( LDAP_DEBUG_TRACE,
258 "connection_get(%d): got connid=%ld\n",
263 assert( c->c_struct_state == SLAP_C_USED );
264 assert( c->c_conn_state != SLAP_C_INVALID );
265 assert( ber_pvt_sb_in_use( c->c_sb ) );
267 c->c_activitytime = slap_get_time();
273 static void connection_return( Connection *c )
275 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
278 long connection_init(
282 const char* peername,
283 const char* sockname,
289 assert( connections != NULL );
291 assert( dnsname != NULL );
292 assert( peername != NULL );
293 assert( sockname != NULL );
299 if( s == AC_SOCKET_INVALID ) {
300 Debug( LDAP_DEBUG_ANY,
301 "connection_init(%ld): invalid.\n",
308 assert( s < dtblsize );
311 ldap_pvt_thread_mutex_lock( &connections_mutex );
322 for( i=0; i < dtblsize; i++) {
323 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
324 assert( connections[i].c_sb == 0 );
329 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
330 assert( !ber_pvt_sb_in_use( connections[i].c_sb ));
335 assert( connections[i].c_struct_state == SLAP_C_USED );
336 assert( connections[i].c_conn_state != SLAP_C_INVALID );
337 assert( ber_pvt_sb_in_use( connections[i].c_sb ));
341 Debug( LDAP_DEBUG_ANY,
342 "connection_init(%d): connection table full (%d/%d)\n",
344 ldap_pvt_thread_mutex_unlock( &connections_mutex );
351 assert( c->c_struct_state != SLAP_C_USED );
352 assert( c->c_conn_state == SLAP_C_INVALID );
354 if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
358 c->c_listener_url = NULL;
359 c->c_peer_domain = NULL;
360 c->c_peer_name = NULL;
361 c->c_sock_name = NULL;
364 c->c_pending_ops = NULL;
365 c->c_authmech = NULL;
366 c->c_authstate = NULL;
368 #ifdef HAVE_CYRUS_SASL
369 c->c_sasl_context = NULL;
372 c->c_sb = ber_sockbuf_alloc( );
374 /* should check status of thread calls */
375 ldap_pvt_thread_mutex_init( &c->c_mutex );
376 ldap_pvt_thread_mutex_init( &c->c_write_mutex );
377 ldap_pvt_thread_cond_init( &c->c_write_cv );
379 c->c_struct_state = SLAP_C_UNUSED;
382 ldap_pvt_thread_mutex_lock( &c->c_mutex );
384 assert( c->c_struct_state == SLAP_C_UNUSED );
385 assert( c->c_dn == NULL );
386 assert( c->c_cdn == NULL );
387 assert( c->c_listener_url == NULL );
388 assert( c->c_peer_domain == NULL );
389 assert( c->c_peer_name == NULL );
390 assert( c->c_sock_name == NULL );
391 assert( c->c_ops == NULL );
392 assert( c->c_pending_ops == NULL );
393 assert( c->c_authmech == NULL );
394 assert( c->c_authstate == NULL );
395 #ifdef HAVE_CYRUS_SASL
396 assert( c->c_sasl_context == NULL );
399 c->c_listener_url = ch_strdup( url );
400 c->c_peer_domain = ch_strdup( dnsname );
401 c->c_peer_name = ch_strdup( peername );
402 c->c_sock_name = ch_strdup( sockname );
404 c->c_n_ops_received = 0;
405 c->c_n_ops_executing = 0;
406 c->c_n_ops_pending = 0;
407 c->c_n_ops_completed = 0;
413 /* assume LDAPv3 until bind */
414 c->c_protocol = LDAP_VERSION3;
416 c->c_activitytime = c->c_starttime = slap_get_time();
418 ber_pvt_sb_set_desc( c->c_sb, s );
419 ber_pvt_sb_set_io( c->c_sb, &ber_pvt_sb_io_tcp, NULL );
421 if( ber_pvt_sb_set_nonblock( c->c_sb, 1 ) < 0 ) {
422 Debug( LDAP_DEBUG_ANY,
423 "connection_init(%d, %s): set nonblocking failed\n",
424 s, c->c_peer_name,0 );
427 id = c->c_connid = conn_nextid++;
429 c->c_conn_state = SLAP_C_INACTIVE;
430 c->c_struct_state = SLAP_C_USED;
435 c->c_needs_tls_accept = 1;
439 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
440 ldap_pvt_thread_mutex_unlock( &connections_mutex );
442 backend_connection_init(c);
448 connection_destroy( Connection *c )
450 /* note: connections_mutex should be locked by caller */
452 assert( connections != NULL );
454 assert( c->c_struct_state != SLAP_C_UNUSED );
455 assert( c->c_conn_state != SLAP_C_INVALID );
456 assert( c->c_ops == NULL );
458 backend_connection_destroy(c);
463 c->c_activitytime = c->c_starttime = 0;
465 if(c->c_dn != NULL) {
469 if(c->c_cdn != NULL) {
473 if(c->c_listener_url != NULL) {
474 free(c->c_listener_url);
475 c->c_listener_url = NULL;
477 if(c->c_peer_domain != NULL) {
478 free(c->c_peer_domain);
479 c->c_peer_domain = NULL;
481 if(c->c_peer_name != NULL) {
482 free(c->c_peer_name);
483 c->c_peer_name = NULL;
485 if(c->c_sock_name != NULL) {
486 free(c->c_sock_name);
487 c->c_sock_name = NULL;
489 if(c->c_authmech != NULL ) {
491 c->c_authmech = NULL;
493 if(c->c_authstate != NULL ) {
494 free(c->c_authstate);
495 c->c_authstate = NULL;
498 #ifdef HAVE_CYRUS_SASL
499 if(c->c_sasl_context != NULL ) {
500 sasl_dispose( &c->c_sasl_context );
501 c->c_sasl_context = NULL;
505 if ( ber_pvt_sb_in_use(c->c_sb) ) {
506 int sd = ber_pvt_sb_get_desc(c->c_sb);
508 slapd_remove( sd, 0 );
509 ber_pvt_sb_close( c->c_sb );
511 Statslog( LDAP_DEBUG_STATS,
512 "conn=%ld fd=%d closed\n",
513 c->c_connid, sd, 0, 0, 0 );
516 ber_pvt_sb_destroy( c->c_sb );
518 c->c_conn_state = SLAP_C_INVALID;
519 c->c_struct_state = SLAP_C_UNUSED;
522 int connection_state_closing( Connection *c )
524 /* c_mutex must be locked by caller */
528 assert( c->c_struct_state == SLAP_C_USED );
530 state = c->c_conn_state;
532 assert( state != SLAP_C_INVALID );
534 return state == SLAP_C_CLOSING;
537 static void connection_abandon( Connection *c )
539 /* c_mutex must be locked by caller */
543 for( o = c->c_ops; o != NULL; o = o->o_next ) {
544 ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
546 ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
549 /* remove pending operations */
550 for( o = slap_op_pop( &c->c_pending_ops );
552 o = slap_op_pop( &c->c_pending_ops ) )
558 void connection_closing( Connection *c )
560 assert( connections != NULL );
562 assert( c->c_struct_state == SLAP_C_USED );
563 assert( c->c_conn_state != SLAP_C_INVALID );
565 /* c_mutex must be locked by caller */
567 if( c->c_conn_state != SLAP_C_CLOSING ) {
569 Debug( LDAP_DEBUG_TRACE,
570 "connection_closing: readying conn=%ld sd=%d for close\n",
571 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
573 /* update state to closing */
574 c->c_conn_state = SLAP_C_CLOSING;
576 /* don't listen on this port anymore */
577 slapd_clr_read( ber_pvt_sb_get_desc( c->c_sb ), 1 );
579 /* shutdown I/O -- not yet implemented */
581 /* abandon active operations */
582 connection_abandon( c );
584 /* wake write blocked operations */
585 slapd_clr_write( ber_pvt_sb_get_desc(c->c_sb), 1 );
586 ldap_pvt_thread_cond_signal( &c->c_write_cv );
590 static void connection_close( Connection *c )
592 assert( connections != NULL );
594 assert( c->c_struct_state == SLAP_C_USED );
595 assert( c->c_conn_state == SLAP_C_CLOSING );
597 /* note: connections_mutex and c_mutex should be locked by caller */
599 if( c->c_ops != NULL ) {
600 Debug( LDAP_DEBUG_TRACE,
601 "connection_close: deferring conn=%ld sd=%d\n",
602 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
607 Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%ld sd=%d\n",
608 c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
610 connection_destroy( c );
613 unsigned long connections_nextid(void)
616 assert( connections != NULL );
618 ldap_pvt_thread_mutex_lock( &connections_mutex );
622 ldap_pvt_thread_mutex_unlock( &connections_mutex );
627 Connection* connection_first( ber_socket_t *index )
629 assert( connections != NULL );
630 assert( index != NULL );
632 ldap_pvt_thread_mutex_lock( &connections_mutex );
636 return connection_next(NULL, index);
639 Connection* connection_next( Connection *c, ber_socket_t *index )
641 assert( connections != NULL );
642 assert( index != NULL );
643 assert( *index <= dtblsize );
646 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
651 for(; *index < dtblsize; (*index)++) {
652 if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
653 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
661 if( connections[*index].c_struct_state == SLAP_C_USED ) {
662 assert( connections[*index].c_conn_state != SLAP_C_INVALID );
663 c = &connections[(*index)++];
667 assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
668 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
672 ldap_pvt_thread_mutex_lock( &c->c_mutex );
678 void connection_done( Connection *c )
680 assert( connections != NULL );
683 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
686 ldap_pvt_thread_mutex_unlock( &connections_mutex );
690 * connection_activity - handle the request operation op on connection
691 * conn. This routine figures out what kind of operation it is and
692 * calls the appropriate stub to handle it.
696 connection_operation( void *arg_v )
699 struct co_arg *arg = arg_v;
700 ber_tag_t tag = arg->co_op->o_tag;
701 Connection *conn = arg->co_conn;
703 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
705 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
709 rc = do_bind( conn, arg->co_op );
712 case LDAP_REQ_UNBIND:
713 rc = do_unbind( conn, arg->co_op );
717 rc = do_add( conn, arg->co_op );
720 case LDAP_REQ_DELETE:
721 rc = do_delete( conn, arg->co_op );
724 case LDAP_REQ_MODRDN:
725 rc = do_modrdn( conn, arg->co_op );
728 case LDAP_REQ_MODIFY:
729 rc = do_modify( conn, arg->co_op );
732 case LDAP_REQ_COMPARE:
733 rc = do_compare( conn, arg->co_op );
736 case LDAP_REQ_SEARCH:
737 rc = do_search( conn, arg->co_op );
740 case LDAP_REQ_ABANDON:
741 rc = do_abandon( conn, arg->co_op );
744 case LDAP_REQ_EXTENDED:
745 rc = do_extended( conn, arg->co_op );
749 Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
751 arg->co_op->o_tag = LBER_ERROR;
752 send_ldap_disconnect( conn, arg->co_op,
753 LDAP_PROTOCOL_ERROR, "unknown LDAP request" );
758 if( rc == -1 ) tag = LBER_ERROR;
760 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
762 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
764 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
766 conn->c_n_ops_executing--;
767 conn->c_n_ops_completed++;
769 slap_op_remove( &conn->c_ops, arg->co_op );
770 slap_op_free( arg->co_op );
773 free( (char *) arg );
778 case LDAP_REQ_UNBIND:
779 /* c_mutex is locked */
780 connection_closing( conn );
784 if( conn->c_conn_state == SLAP_C_BINDING) {
785 conn->c_conn_state = SLAP_C_ACTIVE;
787 conn->c_bind_in_progress = ( rc == LDAP_SASL_BIND_IN_PROGRESS );
790 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
792 if( active_threads < 1 ) {
793 ldap_pvt_thread_cond_signal(&active_threads_cond);
795 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
797 connection_resched( conn );
799 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
804 int connection_read(ber_socket_t s)
808 assert( connections != NULL );
810 ldap_pvt_thread_mutex_lock( &connections_mutex );
812 /* get (locked) connection */
813 c = connection_get( s );
816 Debug( LDAP_DEBUG_ANY,
817 "connection_read(%ld): no connection!\n",
822 ldap_pvt_thread_mutex_unlock( &connections_mutex );
828 if( c->c_conn_state == SLAP_C_CLOSING ) {
829 Debug( LDAP_DEBUG_TRACE,
830 "connection_read(%d): closing, ignoring input for id=%ld\n",
833 connection_return( c );
834 ldap_pvt_thread_mutex_unlock( &connections_mutex );
838 Debug( LDAP_DEBUG_TRACE,
839 "connection_read(%d): checking for input on id=%ld\n",
843 if ( c->c_is_tls && c->c_needs_tls_accept ) {
844 rc = ldap_pvt_tls_accept( c->c_sb, NULL );
846 Debug( LDAP_DEBUG_TRACE,
847 "connection_read(%d): TLS accept error error=%d id=%ld, closing\n",
848 s, rc, c->c_connid );
850 c->c_needs_tls_accept = 0;
851 /* connections_mutex and c_mutex are locked */
852 connection_closing( c );
853 connection_close( c );
854 } else if ( rc == 0 ) {
855 c->c_needs_tls_accept = 0;
857 connection_return( c );
858 ldap_pvt_thread_mutex_unlock( &connections_mutex );
863 #define CONNECTION_INPUT_LOOP 1
865 #ifdef DATA_READY_LOOP
866 while(!rc && ber_pvt_sb_data_ready(&c->c_sb))
867 #elif CONNECTION_INPUT_LOOP
871 /* How do we do this without getting into a busy loop ? */
872 rc = connection_input( c );
876 Debug( LDAP_DEBUG_TRACE,
877 "connection_read(%d): input error=%d id=%ld, closing.\n",
878 s, rc, c->c_connid );
880 /* connections_mutex and c_mutex are locked */
881 connection_closing( c );
882 connection_close( c );
885 if ( ber_pvt_sb_needs_read( c->c_sb ) )
886 slapd_set_read( s, 1 );
887 if ( ber_pvt_sb_needs_write( c->c_sb ) )
888 slapd_set_write( s, 1 );
889 connection_return( c );
890 ldap_pvt_thread_mutex_unlock( &connections_mutex );
905 if ( conn->c_currentber == NULL && (conn->c_currentber = ber_alloc())
907 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
912 if ( (tag = ber_get_next( conn->c_sb, &len, conn->c_currentber ))
913 != LDAP_TAG_MESSAGE )
917 Debug( LDAP_DEBUG_TRACE,
918 "ber_get_next on fd %d failed errno=%d (%s)\n",
919 ber_pvt_sb_get_desc( conn->c_sb ), err,
920 err > -1 && err < sys_nerr ? sys_errlist[err] : "unknown" );
921 Debug( LDAP_DEBUG_TRACE,
922 "\t*** got %ld of %lu so far\n",
923 (long)(conn->c_currentber->ber_rwptr - conn->c_currentber->ber_buf),
924 conn->c_currentber->ber_len, 0 );
926 if ( err != EWOULDBLOCK && err != EAGAIN ) {
927 /* log, close and send error */
928 ber_free( conn->c_currentber, 1 );
929 conn->c_currentber = NULL;
936 ber = conn->c_currentber;
937 conn->c_currentber = NULL;
939 if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
940 /* log, close and send error */
941 Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0,
947 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
948 /* log, close and send error */
949 Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0,
956 if(tag == LDAP_REQ_BIND) {
957 /* immediately abandon all exiting operations upon BIND */
958 connection_abandon( conn );
961 op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
963 if ( conn->c_conn_state == SLAP_C_BINDING
964 || conn->c_conn_state == SLAP_C_CLOSING )
966 Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 );
967 conn->c_n_ops_pending++;
968 slap_op_add( &conn->c_pending_ops, op );
971 conn->c_n_ops_executing++;
972 connection_op_activate( conn, op );
976 if ( conn->c_struct_state != SLAP_C_USED ) {
977 /* connection must have got closed underneath us */
981 assert( conn->c_struct_state == SLAP_C_USED );
987 connection_resched( Connection *conn )
991 if( conn->c_conn_state == SLAP_C_CLOSING ) {
992 Debug( LDAP_DEBUG_TRACE,
993 "connection_resched: attempting closing conn=%ld sd=%d\n",
994 conn->c_connid, ber_pvt_sb_get_desc( conn->c_sb ), 0 );
996 connection_close( conn );
1000 if( conn->c_conn_state != SLAP_C_ACTIVE ) {
1001 /* other states need different handling */
1005 for( op = slap_op_pop( &conn->c_pending_ops );
1007 op = slap_op_pop( &conn->c_pending_ops ) )
1009 /* pending operations should not be marked for abandonment */
1010 assert(!op->o_abandon);
1012 conn->c_n_ops_pending--;
1013 conn->c_n_ops_executing++;
1015 connection_op_activate( conn, op );
1017 if ( conn->c_conn_state == SLAP_C_BINDING ) {
1024 static int connection_op_activate( Connection *conn, Operation *op )
1029 ber_tag_t tag = op->o_tag;
1031 if(tag == LDAP_REQ_BIND) {
1032 conn->c_conn_state = SLAP_C_BINDING;
1035 if ( conn->c_dn != NULL ) {
1036 tmpdn = ch_strdup( conn->c_dn );
1041 arg = (struct co_arg *) ch_malloc( sizeof(struct co_arg) );
1042 arg->co_conn = conn;
1045 arg->co_op->o_bind_in_progress = conn->c_bind_in_progress;
1047 arg->co_op->o_dn = ch_strdup( tmpdn != NULL ? tmpdn : "" );
1048 arg->co_op->o_ndn = ch_strdup( arg->co_op->o_dn );
1049 (void) dn_normalize_case( arg->co_op->o_ndn );
1051 arg->co_op->o_protocol = conn->c_protocol;
1052 arg->co_op->o_connid = conn->c_connid;
1054 arg->co_op->o_authtype = conn->c_authtype;
1055 arg->co_op->o_authmech = conn->c_authmech != NULL
1056 ? ch_strdup( conn->c_authmech ) : NULL;
1058 slap_op_add( &conn->c_ops, arg->co_op );
1060 if( tmpdn != NULL ) {
1064 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
1066 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
1068 status = ldap_pvt_thread_create( &arg->co_op->o_tid, 1,
1069 connection_operation, (void *) arg );
1071 if ( status != 0 ) {
1072 Debug( LDAP_DEBUG_ANY,
1073 "ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
1075 /* should move op to pending list */
1081 int connection_write(ber_socket_t s)
1084 assert( connections != NULL );
1086 ldap_pvt_thread_mutex_lock( &connections_mutex );
1088 c = connection_get( s );
1090 slapd_clr_write( s, 0);
1093 Debug( LDAP_DEBUG_ANY,
1094 "connection_write(%ld): no connection!\n",
1097 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1103 Debug( LDAP_DEBUG_TRACE,
1104 "connection_write(%d): waking output for id=%ld\n",
1105 s, c->c_connid, 0 );
1107 ldap_pvt_thread_cond_signal( &c->c_write_cv );
1109 if ( ber_pvt_sb_needs_read( c->c_sb ) )
1110 slapd_set_read( s, 1 );
1111 if ( ber_pvt_sb_needs_write( c->c_sb ) )
1112 slapd_set_write( s, 1 );
1113 connection_return( c );
1114 ldap_pvt_thread_mutex_unlock( &connections_mutex );