3 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/socket.h>
14 #include <ac/string.h>
16 #include <ac/unistd.h>
26 /* protected by connections_mutex */
27 static ldap_pvt_thread_mutex_t connections_mutex;
28 static Connection *connections = NULL;
29 static unsigned long conn_nextid = 0;
31 /* structure state (protected by connections_mutex) */
32 #define SLAP_C_UNINITIALIZED 0x00 /* MUST BE ZERO (0) */
33 #define SLAP_C_UNUSED 0x01
34 #define SLAP_C_USED 0x02
36 /* connection state (protected by c_mutex ) */
37 #define SLAP_C_INVALID 0x00 /* MUST BE ZERO (0) */
38 #define SLAP_C_INACTIVE 0x01 /* zero threads */
39 #define SLAP_C_ACTIVE 0x02 /* one or more threads */
40 #define SLAP_C_BINDING 0x03 /* binding */
41 #define SLAP_C_CLOSING 0x04 /* closing */
42 #define SLAP_C_CLIENT 0x05 /* outbound client conn */
45 connection_state2str( int state )
48 case SLAP_C_INVALID: return "!";
49 case SLAP_C_INACTIVE: return "|";
50 case SLAP_C_ACTIVE: return "";
51 case SLAP_C_BINDING: return "B";
52 case SLAP_C_CLOSING: return "C";
53 case SLAP_C_CLIENT: return "L";
59 static Connection* connection_get( ber_socket_t s );
61 static int connection_input( Connection *c );
62 static void connection_close( Connection *c );
64 static int connection_op_activate( Operation *op );
65 static int connection_resched( Connection *conn );
66 static void connection_abandon( Connection *conn );
67 static void connection_destroy( Connection *c );
69 static ldap_pvt_thread_start_t connection_operation;
72 * Initialize connection management infrastructure.
74 int connections_init(void)
76 assert( connections == NULL );
78 if( connections != NULL) {
80 LDAP_LOG( CONNECTION, INFO,
81 "connections_init: already initialized.\n", 0, 0, 0 );
83 Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
89 /* should check return of every call */
90 ldap_pvt_thread_mutex_init( &connections_mutex );
92 connections = (Connection *) ch_calloc( dtblsize, sizeof(Connection) );
94 if( connections == NULL ) {
96 LDAP_LOG( CONNECTION, ERR,
97 "connections_init: allocation (%d * %ld) of connection "
98 "array failed\n", dtblsize, (long) sizeof(Connection), 0 );
100 Debug( LDAP_DEBUG_ANY,
101 "connections_init: allocation (%d*%ld) of connection array failed\n",
102 dtblsize, (long) sizeof(Connection), 0 );
107 assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED );
108 assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED );
111 * per entry initialization of the Connection array initialization
112 * will be done by connection_init()
119 * Destroy connection management infrastructure.
121 int connections_destroy(void)
125 /* should check return of every call */
127 if( connections == NULL) {
129 LDAP_LOG( CONNECTION, INFO,
130 "connections_destroy: nothing to destroy.\n", 0, 0, 0 );
132 Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
138 for ( i = 0; i < dtblsize; i++ ) {
139 if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
140 ber_sockbuf_free( connections[i].c_sb );
141 ldap_pvt_thread_mutex_destroy( &connections[i].c_mutex );
142 ldap_pvt_thread_mutex_destroy( &connections[i].c_write_mutex );
143 ldap_pvt_thread_cond_destroy( &connections[i].c_write_cv );
145 if ( slapi_plugins_used ) {
146 slapi_x_free_object_extensions( SLAPI_X_EXT_CONNECTION, &connections[i] );
155 ldap_pvt_thread_mutex_destroy( &connections_mutex );
160 * shutdown all connections
162 int connections_shutdown(void)
166 ldap_pvt_thread_mutex_lock( &connections_mutex );
168 for ( i = 0; i < dtblsize; i++ ) {
169 if( connections[i].c_struct_state != SLAP_C_USED ) {
172 /* give persistent clients a chance to cleanup */
173 if( connections[i].c_conn_state == SLAP_C_CLIENT ) {
174 ldap_pvt_thread_pool_submit( &connection_pool,
175 connections[i].c_clientfunc, connections[i].c_clientarg );
179 ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
181 /* connections_mutex and c_mutex are locked */
182 connection_closing( &connections[i] );
183 connection_close( &connections[i] );
185 ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
188 ldap_pvt_thread_mutex_unlock( &connections_mutex );
194 * Timeout idle connections.
196 int connections_timeout_idle(time_t now)
202 for( c = connection_first( &connindex );
204 c = connection_next( c, &connindex ) )
206 /* Don't timeout a slow-running request or a persistent
207 * outbound connection */
208 if( c->c_n_ops_executing ||
209 c->c_conn_state == SLAP_C_CLIENT ) continue;
211 if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
213 connection_closing( c );
214 connection_close( c );
218 connection_done( c );
223 static Connection* connection_get( ber_socket_t s )
225 /* connections_mutex should be locked by caller */
230 LDAP_LOG( CONNECTION, ENTRY, "connection_get: socket %ld\n", (long)s, 0, 0 );
232 Debug( LDAP_DEBUG_ARGS,
233 "connection_get(%ld)\n",
237 assert( connections != NULL );
239 if(s == AC_SOCKET_INVALID) {
246 assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
253 for(i=0; i<dtblsize; i++) {
254 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
255 assert( connections[i].c_conn_state == SLAP_C_INVALID );
256 assert( connections[i].c_sb == 0 );
260 ber_sockbuf_ctrl( connections[i].c_sb,
261 LBER_SB_OPT_GET_FD, &sd );
263 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
264 assert( connections[i].c_conn_state == SLAP_C_INVALID );
265 assert( sd == AC_SOCKET_INVALID );
269 /* state can actually change from used -> unused by resched,
270 * so don't assert details here.
284 ldap_pvt_thread_mutex_lock( &c->c_mutex );
286 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
287 if( c->c_struct_state != SLAP_C_USED ) {
288 /* connection must have been closed due to resched */
290 assert( c->c_conn_state == SLAP_C_INVALID );
291 assert( sd == AC_SOCKET_INVALID );
294 LDAP_LOG( CONNECTION, ARGS,
295 "connection_get: connection %d not used\n", s, 0, 0 );
297 Debug( LDAP_DEBUG_TRACE,
298 "connection_get(%d): connection not used\n",
302 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
305 if( c->c_conn_state == SLAP_C_CLIENT ) sd = 0;
308 LDAP_LOG( CONNECTION, RESULTS,
309 "connection_get: get for %d got connid %lu\n", s, c->c_connid, 0 );
311 Debug( LDAP_DEBUG_TRACE,
312 "connection_get(%d): got connid=%lu\n",
318 assert( c->c_struct_state == SLAP_C_USED );
319 assert( c->c_conn_state != SLAP_C_INVALID );
320 assert( sd != AC_SOCKET_INVALID );
323 c->c_activitytime = slap_get_time();
325 if( global_idletimeout > 0 ) {
326 c->c_activitytime = slap_get_time();
334 static void connection_return( Connection *c )
336 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
339 long connection_init(
343 const char* peername,
351 assert( connections != NULL );
353 assert( listener != NULL );
354 assert( dnsname != NULL );
355 assert( peername != NULL );
358 assert( flags != CONN_IS_TLS );
361 if( s == AC_SOCKET_INVALID ) {
363 LDAP_LOG( CONNECTION, INFO,
364 "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 );
366 Debug( LDAP_DEBUG_ANY,
367 "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 );
374 assert( s < dtblsize );
377 ldap_pvt_thread_mutex_lock( &connections_mutex );
387 for( i=0; i < dtblsize; i++) {
390 if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
391 assert( connections[i].c_sb == 0 );
396 sd = AC_SOCKET_INVALID;
397 if (connections[i].c_sb != NULL) {
398 ber_sockbuf_ctrl( connections[i].c_sb,
399 LBER_SB_OPT_GET_FD, &sd );
402 if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
403 assert( sd == AC_SOCKET_INVALID );
408 assert( connections[i].c_struct_state == SLAP_C_USED );
409 assert( connections[i].c_conn_state != SLAP_C_INVALID );
410 assert( sd != AC_SOCKET_INVALID );
415 LDAP_LOG( CONNECTION, INFO,
416 "connection_init(%d): connection table full "
417 "(%d/%d)\n", s, i, dtblsize );
419 Debug( LDAP_DEBUG_ANY,
420 "connection_init(%d): connection table full "
421 "(%d/%d)\n", s, i, dtblsize);
423 ldap_pvt_thread_mutex_unlock( &connections_mutex );
431 if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
432 c->c_send_ldap_result = slap_send_ldap_result;
433 c->c_send_search_entry = slap_send_search_entry;
434 c->c_send_search_reference = slap_send_search_reference;
435 c->c_send_ldap_extended = slap_send_ldap_extended;
436 #ifdef LDAP_RES_INTERMEDIATE
437 c->c_send_ldap_intermediate = slap_send_ldap_intermediate;
440 c->c_authmech.bv_val = NULL;
441 c->c_authmech.bv_len = 0;
442 c->c_dn.bv_val = NULL;
444 c->c_ndn.bv_val = NULL;
447 c->c_listener = NULL;
448 c->c_peer_domain.bv_val = NULL;
449 c->c_peer_domain.bv_len = 0;
450 c->c_peer_name.bv_val = NULL;
451 c->c_peer_name.bv_len = 0;
453 LDAP_STAILQ_INIT(&c->c_ops);
454 LDAP_STAILQ_INIT(&c->c_pending_ops);
456 c->c_sasl_bind_mech.bv_val = NULL;
457 c->c_sasl_bind_mech.bv_len = 0;
459 c->c_sasl_authctx = NULL;
460 c->c_sasl_sockctx = NULL;
461 c->c_sasl_extra = NULL;
462 c->c_sasl_bindop = NULL;
464 c->c_sb = ber_sockbuf_alloc( );
467 ber_len_t max = sockbuf_max_incoming;
468 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
471 c->c_currentber = NULL;
473 /* should check status of thread calls */
474 ldap_pvt_thread_mutex_init( &c->c_mutex );
475 ldap_pvt_thread_mutex_init( &c->c_write_mutex );
476 ldap_pvt_thread_cond_init( &c->c_write_cv );
479 if ( slapi_plugins_used ) {
480 slapi_x_create_object_extensions( SLAPI_X_EXT_CONNECTION, c );
484 c->c_struct_state = SLAP_C_UNUSED;
487 ldap_pvt_thread_mutex_lock( &c->c_mutex );
489 assert( c->c_struct_state == SLAP_C_UNUSED );
490 assert( c->c_authmech.bv_val == NULL );
491 assert( c->c_dn.bv_val == NULL );
492 assert( c->c_ndn.bv_val == NULL );
493 assert( c->c_listener == NULL );
494 assert( c->c_peer_domain.bv_val == NULL );
495 assert( c->c_peer_name.bv_val == NULL );
496 assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
497 assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) );
498 assert( c->c_sasl_bind_mech.bv_val == NULL );
499 assert( c->c_sasl_done == 0 );
500 assert( c->c_sasl_authctx == NULL );
501 assert( c->c_sasl_sockctx == NULL );
502 assert( c->c_sasl_extra == NULL );
503 assert( c->c_sasl_bindop == NULL );
504 assert( c->c_currentber == NULL );
505 assert( c->c_writewaiter == 0);
507 c->c_listener = listener;
509 if ( flags == CONN_IS_CLIENT ) {
510 c->c_conn_state = SLAP_C_CLIENT;
511 c->c_struct_state = SLAP_C_USED;
512 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
513 ldap_pvt_thread_mutex_unlock( &connections_mutex );
518 ber_str2bv( dnsname, 0, 1, &c->c_peer_domain );
519 ber_str2bv( peername, 0, 1, &c->c_peer_name );
521 c->c_n_ops_received = 0;
522 c->c_n_ops_executing = 0;
523 c->c_n_ops_pending = 0;
524 c->c_n_ops_completed = 0;
530 /* set to zero until bind, implies LDAP_VERSION3 */
534 c->c_activitytime = c->c_starttime = slap_get_time();
536 if( global_idletimeout > 0 ) {
537 c->c_activitytime = c->c_starttime = slap_get_time();
541 #ifdef LDAP_CONNECTIONLESS
543 if( flags == CONN_IS_UDP ) {
546 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
547 LBER_SBIOD_LEVEL_PROVIDER, (void*)"udp_" );
549 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_udp,
550 LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
551 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_readahead,
552 LBER_SBIOD_LEVEL_PROVIDER, NULL );
557 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
558 LBER_SBIOD_LEVEL_PROVIDER, (void*)"tcp_" );
560 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_tcp,
561 LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
565 ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
566 INT_MAX, (void*)"ldap_" );
569 if( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_NONBLOCK,
570 c /* non-NULL */ ) < 0 )
573 LDAP_LOG( CONNECTION, INFO,
574 "connection_init: conn %lu set nonblocking failed\n",
577 Debug( LDAP_DEBUG_ANY,
578 "connection_init(%d, %s): set nonblocking failed\n",
579 s, c->c_peer_name.bv_val, 0 );
583 id = c->c_connid = conn_nextid++;
585 c->c_conn_state = SLAP_C_INACTIVE;
586 c->c_struct_state = SLAP_C_USED;
588 c->c_ssf = c->c_transport_ssf = ssf;
592 if ( flags == CONN_IS_TLS ) {
594 c->c_needs_tls_accept = 1;
597 c->c_needs_tls_accept = 0;
601 slap_sasl_open( c, 0 );
602 slap_sasl_external( c, ssf, authid );
604 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
605 ldap_pvt_thread_mutex_unlock( &connections_mutex );
607 backend_connection_init(c);
612 void connection2anonymous( Connection *c )
614 assert( connections != NULL );
618 ber_len_t max = sockbuf_max_incoming;
619 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
622 if(c->c_authmech.bv_val != NULL ) {
623 free(c->c_authmech.bv_val);
624 c->c_authmech.bv_val = NULL;
626 c->c_authmech.bv_len = 0;
628 if(c->c_dn.bv_val != NULL) {
629 free(c->c_dn.bv_val);
630 c->c_dn.bv_val = NULL;
633 if(c->c_ndn.bv_val != NULL) {
634 free(c->c_ndn.bv_val);
635 c->c_ndn.bv_val = NULL;
639 c->c_authz_backend = NULL;
643 connection_destroy( Connection *c )
645 /* note: connections_mutex should be locked by caller */
647 unsigned long connid;
649 assert( connections != NULL );
651 assert( c->c_struct_state != SLAP_C_UNUSED );
652 assert( c->c_conn_state != SLAP_C_INVALID );
653 assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
654 assert( c->c_writewaiter == 0);
656 /* only for stats (print -1 as "%lu" may give unexpected results ;) */
657 connid = c->c_connid;
659 backend_connection_destroy(c);
664 c->c_activitytime = c->c_starttime = 0;
666 connection2anonymous( c );
667 c->c_listener = NULL;
669 if(c->c_peer_domain.bv_val != NULL) {
670 free(c->c_peer_domain.bv_val);
671 c->c_peer_domain.bv_val = NULL;
673 c->c_peer_domain.bv_len = 0;
674 if(c->c_peer_name.bv_val != NULL) {
675 free(c->c_peer_name.bv_val);
676 c->c_peer_name.bv_val = NULL;
678 c->c_peer_name.bv_len = 0;
680 c->c_sasl_bind_in_progress = 0;
681 if(c->c_sasl_bind_mech.bv_val != NULL) {
682 free(c->c_sasl_bind_mech.bv_val);
683 c->c_sasl_bind_mech.bv_val = NULL;
685 c->c_sasl_bind_mech.bv_len = 0;
687 slap_sasl_close( c );
689 if ( c->c_currentber != NULL ) {
690 ber_free( c->c_currentber, 1 );
691 c->c_currentber = NULL;
694 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
695 if ( sd != AC_SOCKET_INVALID ) {
696 slapd_remove( sd, 1, 0 );
698 Statslog( LDAP_DEBUG_STATS,
699 "conn=%lu fd=%ld closed\n",
700 connid, (long) sd, 0, 0, 0 );
703 ber_sockbuf_free( c->c_sb );
705 c->c_sb = ber_sockbuf_alloc( );
708 ber_len_t max = sockbuf_max_incoming;
709 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
712 c->c_conn_state = SLAP_C_INVALID;
713 c->c_struct_state = SLAP_C_UNUSED;
716 /* call destructors, then constructors; avoids unnecessary allocation */
717 if ( slapi_plugins_used ) {
718 slapi_x_clear_object_extensions( SLAPI_X_EXT_CONNECTION, c );
723 int connection_state_closing( Connection *c )
725 /* c_mutex must be locked by caller */
729 assert( c->c_struct_state == SLAP_C_USED );
731 state = c->c_conn_state;
733 assert( state != SLAP_C_INVALID );
735 return state == SLAP_C_CLOSING;
738 static void connection_abandon( Connection *c )
740 /* c_mutex must be locked by caller */
744 LDAP_STAILQ_FOREACH(o, &c->c_ops, o_next) {
748 /* remove pending operations */
749 while ( (o = LDAP_STAILQ_FIRST( &c->c_pending_ops )) != NULL) {
750 LDAP_STAILQ_REMOVE_HEAD( &c->c_pending_ops, o_next );
751 LDAP_STAILQ_NEXT(o, o_next) = NULL;
756 void connection_closing( Connection *c )
758 assert( connections != NULL );
760 assert( c->c_struct_state == SLAP_C_USED );
761 assert( c->c_conn_state != SLAP_C_INVALID );
763 /* c_mutex must be locked by caller */
765 if( c->c_conn_state != SLAP_C_CLOSING ) {
768 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
770 LDAP_LOG( CONNECTION, DETAIL1,
771 "connection_closing: conn %lu readying socket %d for close.\n",
772 c->c_connid, sd, 0 );
774 Debug( LDAP_DEBUG_TRACE,
775 "connection_closing: readying conn=%lu sd=%d for close\n",
776 c->c_connid, sd, 0 );
778 /* update state to closing */
779 c->c_conn_state = SLAP_C_CLOSING;
781 /* don't listen on this port anymore */
782 slapd_clr_read( sd, 1 );
784 /* abandon active operations */
785 connection_abandon( c );
787 /* wake write blocked operations */
788 slapd_clr_write( sd, 1 );
789 ldap_pvt_thread_cond_signal( &c->c_write_cv );
793 static void connection_close( Connection *c )
797 assert( connections != NULL );
799 assert( c->c_struct_state == SLAP_C_USED );
800 assert( c->c_conn_state == SLAP_C_CLOSING );
802 /* note: connections_mutex and c_mutex should be locked by caller */
804 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
805 if( !LDAP_STAILQ_EMPTY(&c->c_ops) ) {
807 LDAP_LOG( CONNECTION, DETAIL1,
808 "connection_close: conn %lu deferring sd %d\n",
809 c->c_connid, sd, 0 );
811 Debug( LDAP_DEBUG_TRACE,
812 "connection_close: deferring conn=%lu sd=%d\n",
813 c->c_connid, sd, 0 );
819 LDAP_LOG( CONNECTION, RESULTS,
820 "connection_close: conn %lu sd %d\n", c->c_connid, sd, 0 );
822 Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%lu sd=%d\n",
823 c->c_connid, sd, 0 );
825 connection_destroy( c );
828 unsigned long connections_nextid(void)
831 assert( connections != NULL );
833 ldap_pvt_thread_mutex_lock( &connections_mutex );
837 ldap_pvt_thread_mutex_unlock( &connections_mutex );
842 Connection* connection_first( ber_socket_t *index )
844 assert( connections != NULL );
845 assert( index != NULL );
847 ldap_pvt_thread_mutex_lock( &connections_mutex );
851 return connection_next(NULL, index);
854 Connection* connection_next( Connection *c, ber_socket_t *index )
856 assert( connections != NULL );
857 assert( index != NULL );
858 assert( *index <= dtblsize );
861 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
866 for(; *index < dtblsize; (*index)++) {
867 if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
868 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
876 if( connections[*index].c_struct_state == SLAP_C_USED ) {
877 assert( connections[*index].c_conn_state != SLAP_C_INVALID );
878 c = &connections[(*index)++];
882 assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
883 assert( connections[*index].c_conn_state == SLAP_C_INVALID );
887 ldap_pvt_thread_mutex_lock( &c->c_mutex );
893 void connection_done( Connection *c )
895 assert( connections != NULL );
898 ldap_pvt_thread_mutex_unlock( &c->c_mutex );
901 ldap_pvt_thread_mutex_unlock( &connections_mutex );
905 * connection_activity - handle the request operation op on connection
906 * conn. This routine figures out what kind of operation it is and
907 * calls the appropriate stub to handle it.
911 #define INCR_OP(var,index) \
913 ldap_pvt_thread_mutex_lock( &num_ops_mutex ); \
915 ldap_pvt_thread_mutex_unlock( &num_ops_mutex ); \
917 #else /* !SLAPD_MONITOR */
918 #define INCR_OP(var,index)
919 #endif /* !SLAPD_MONITOR */
922 connection_operation( void *ctx, void *arg_v )
924 int rc = SLAPD_DISCONNECT;
925 Operation *op = arg_v;
926 SlapReply rs = {REP_RESULT};
927 ber_tag_t tag = op->o_tag;
929 ber_tag_t oldtag = tag;
930 #endif /* SLAPD_MONITOR */
931 Connection *conn = op->o_conn;
933 void *memctx_null = NULL;
936 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
938 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
940 op->o_threadctx = ctx;
942 if( conn->c_sasl_bind_in_progress && tag != LDAP_REQ_BIND ) {
944 LDAP_LOG( CONNECTION, ERR,
945 "connection_operation: conn %lu SASL bind in progress (tag=%ld).\n",
946 conn->c_connid, (long)tag, 0 );
948 Debug( LDAP_DEBUG_ANY, "connection_operation: "
949 "error: SASL bind in progress (tag=%ld).\n",
952 send_ldap_error( op, &rs, LDAP_OPERATIONS_ERROR,
953 "SASL bind in progress" );
954 goto operations_error;
957 /* We can use Thread-Local storage for most mallocs. We can
958 * also use TL for ber parsing, but not on Add or Modify.
960 #define SLAB_SIZE 1048576
962 memsiz = ber_len( op->o_ber ) * 64;
963 if ( SLAB_SIZE > memsiz ) memsiz = SLAB_SIZE;
967 memctx = sl_mem_create( memsiz, ctx );
968 op->o_tmpmemctx = memctx;
969 op->o_tmpmfuncs = &sl_mfuncs;
970 if ( tag != LDAP_REQ_ADD && tag != LDAP_REQ_MODIFY ) {
971 /* Note - the ber and its buffer are already allocated from
972 * regular memory; this only affects subsequent mallocs that
973 * ber_scanf may invoke.
975 ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx );
980 INCR_OP(num_ops_initiated_, SLAP_OP_BIND);
981 rc = do_bind( op, &rs );
984 case LDAP_REQ_UNBIND:
985 INCR_OP(num_ops_initiated_, SLAP_OP_UNBIND);
986 rc = do_unbind( op, &rs );
990 INCR_OP(num_ops_initiated_, SLAP_OP_ADD);
991 rc = do_add( op, &rs );
994 case LDAP_REQ_DELETE:
995 INCR_OP(num_ops_initiated_, SLAP_OP_DELETE);
996 rc = do_delete( op, &rs );
999 case LDAP_REQ_MODRDN:
1000 INCR_OP(num_ops_initiated_, SLAP_OP_MODRDN);
1001 rc = do_modrdn( op, &rs );
1004 case LDAP_REQ_MODIFY:
1005 INCR_OP(num_ops_initiated_, SLAP_OP_MODIFY);
1006 rc = do_modify( op, &rs );
1009 case LDAP_REQ_COMPARE:
1010 INCR_OP(num_ops_initiated_, SLAP_OP_COMPARE);
1011 rc = do_compare( op, &rs );
1014 case LDAP_REQ_SEARCH:
1015 INCR_OP(num_ops_initiated_, SLAP_OP_SEARCH);
1016 rc = do_search( op, &rs );
1019 case LDAP_REQ_ABANDON:
1020 INCR_OP(num_ops_initiated_, SLAP_OP_ABANDON);
1021 rc = do_abandon( op, &rs );
1024 case LDAP_REQ_EXTENDED:
1025 INCR_OP(num_ops_initiated_, SLAP_OP_EXTENDED);
1026 rc = do_extended( op, &rs );
1031 LDAP_LOG( CONNECTION, INFO,
1032 "connection_operation: conn %lu unknown LDAP request 0x%lx\n",
1033 conn->c_connid, tag, 0 );
1035 Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
1038 op->o_tag = LBER_ERROR;
1039 rs.sr_err = LDAP_PROTOCOL_ERROR;
1040 rs.sr_text = "unknown LDAP request";
1041 send_ldap_disconnect( op, &rs );
1046 #ifdef SLAPD_MONITOR
1048 #endif /* SLAPD_MONITOR */
1049 if( rc == SLAPD_DISCONNECT ) tag = LBER_ERROR;
1052 ldap_pvt_thread_mutex_lock( &num_ops_mutex );
1053 num_ops_completed++;
1054 #ifdef SLAPD_MONITOR
1057 num_ops_completed_[SLAP_OP_BIND]++;
1059 case LDAP_REQ_UNBIND:
1060 num_ops_completed_[SLAP_OP_UNBIND]++;
1063 num_ops_completed_[SLAP_OP_ADD]++;
1065 case LDAP_REQ_DELETE:
1066 num_ops_completed_[SLAP_OP_DELETE]++;
1068 case LDAP_REQ_MODRDN:
1069 num_ops_completed_[SLAP_OP_MODRDN]++;
1071 case LDAP_REQ_MODIFY:
1072 num_ops_completed_[SLAP_OP_MODIFY]++;
1074 case LDAP_REQ_COMPARE:
1075 num_ops_completed_[SLAP_OP_COMPARE]++;
1077 case LDAP_REQ_SEARCH:
1078 num_ops_completed_[SLAP_OP_SEARCH]++;
1080 case LDAP_REQ_ABANDON:
1081 num_ops_completed_[SLAP_OP_ABANDON]++;
1083 case LDAP_REQ_EXTENDED:
1084 num_ops_completed_[SLAP_OP_EXTENDED]++;
1087 #endif /* SLAPD_MONITOR */
1088 ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
1090 #ifdef LDAP_EXOP_X_CANCEL
1091 if ( op->o_cancel == SLAP_CANCEL_REQ ) {
1092 op->o_cancel = LDAP_TOO_LATE;
1095 while ( op->o_cancel != SLAP_CANCEL_NONE &&
1096 op->o_cancel != SLAP_CANCEL_DONE )
1098 ldap_pvt_thread_yield();
1102 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
1104 ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx_null );
1106 if ( op->o_cancel != SLAP_CANCEL_ACK &&
1107 ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) {
1108 sl_mem_detach( ctx, memctx );
1109 } else if (( op->o_sync_slog_size != -1 )) {
1110 sl_mem_detach( ctx, memctx );
1111 LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
1112 LDAP_STAILQ_NEXT(op, o_next) = NULL;
1113 conn->c_n_ops_executing--;
1114 conn->c_n_ops_completed++;
1116 LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
1117 LDAP_STAILQ_NEXT(op, o_next) = NULL;
1119 conn->c_n_ops_executing--;
1120 conn->c_n_ops_completed++;
1127 case LDAP_REQ_UNBIND:
1128 /* c_mutex is locked */
1129 connection_closing( conn );
1133 conn->c_sasl_bind_in_progress =
1134 rc == LDAP_SASL_BIND_IN_PROGRESS ? 1 : 0;
1136 if( conn->c_conn_state == SLAP_C_BINDING) {
1137 conn->c_conn_state = SLAP_C_ACTIVE;
1141 connection_resched( conn );
1143 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
1148 int connection_client_setup(
1151 ldap_pvt_thread_start_t *func,
1156 if ( connection_init( s, l, "", "", CONN_IS_CLIENT, 0, "" ) < 0 ) {
1160 c = connection_get( s );
1161 c->c_clientfunc = func;
1162 c->c_clientarg = arg;
1163 connection_return( c );
1164 slapd_add_internal( s, 0 );
1165 slapd_set_read( s, 1 );
1169 void connection_client_enable(
1173 slapd_set_read( s, 1 );
1176 void connection_client_stop(
1182 /* get (locked) connection */
1183 c = connection_get( s );
1185 assert( c->c_conn_state == SLAP_C_CLIENT );
1187 c->c_listener = NULL;
1188 c->c_conn_state = SLAP_C_INVALID;
1189 c->c_struct_state = SLAP_C_UNUSED;
1190 connection_return( c );
1191 slapd_remove( s, 0, 1 );
1194 int connection_read(ber_socket_t s)
1199 assert( connections != NULL );
1201 ldap_pvt_thread_mutex_lock( &connections_mutex );
1203 /* get (locked) connection */
1204 c = connection_get( s );
1208 LDAP_LOG( CONNECTION, INFO,
1209 "connection_read: sock %ld no connection\n", (long)s, 0, 0 );
1211 Debug( LDAP_DEBUG_ANY,
1212 "connection_read(%ld): no connection!\n",
1215 slapd_remove(s, 1, 0);
1217 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1223 if( c->c_conn_state == SLAP_C_CLOSING ) {
1225 LDAP_LOG( CONNECTION, INFO,
1226 "connection_read: conn %lu connection closing, ignoring input\n",
1227 c->c_connid, 0, 0 );
1229 Debug( LDAP_DEBUG_TRACE,
1230 "connection_read(%d): closing, ignoring input for id=%lu\n",
1231 s, c->c_connid, 0 );
1233 connection_return( c );
1234 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1238 if ( c->c_conn_state == SLAP_C_CLIENT ) {
1239 slapd_clr_read( s, 0 );
1240 ldap_pvt_thread_pool_submit( &connection_pool,
1241 c->c_clientfunc, c->c_clientarg );
1242 connection_return( c );
1243 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1248 LDAP_LOG( CONNECTION, DETAIL1,
1249 "connection_read: conn %lu checking for input.\n",
1250 c->c_connid, 0, 0 );
1252 Debug( LDAP_DEBUG_TRACE,
1253 "connection_read(%d): checking for input on id=%lu\n",
1254 s, c->c_connid, 0 );
1258 if ( c->c_is_tls && c->c_needs_tls_accept ) {
1259 rc = ldap_pvt_tls_accept( c->c_sb, NULL );
1261 #if 0 /* required by next #if 0 */
1267 LDAP_LOG( CONNECTION, ERR,
1268 "connection_read: conn %lu TLS accept error, error %d\n",
1269 c->c_connid, rc, 0 );
1271 Debug( LDAP_DEBUG_TRACE,
1272 "connection_read(%d): TLS accept error "
1273 "error=%d id=%lu, closing\n",
1274 s, rc, c->c_connid );
1276 c->c_needs_tls_accept = 0;
1277 /* connections_mutex and c_mutex are locked */
1278 connection_closing( c );
1281 /* Drain input before close, to allow SSL error codes
1282 * to propagate to client. */
1288 rc = select(s+1, &rfd, NULL, NULL, &tv);
1290 ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DRAIN, NULL);
1294 connection_close( c );
1296 } else if ( rc == 0 ) {
1298 struct berval authid = { 0, NULL };
1300 c->c_needs_tls_accept = 0;
1302 /* we need to let SASL know */
1303 ssl = ldap_pvt_tls_sb_ctx( c->c_sb );
1305 c->c_tls_ssf = (slap_ssf_t) ldap_pvt_tls_get_strength( ssl );
1306 if( c->c_tls_ssf > c->c_ssf ) {
1307 c->c_ssf = c->c_tls_ssf;
1310 rc = dnX509peerNormalize( ssl, &authid );
1311 if ( rc != LDAP_SUCCESS ) {
1313 LDAP_LOG( CONNECTION, INFO,
1314 "connection_read: conn %lu unable to get TLS client DN, "
1315 "error %d\n", c->c_connid, rc, 0 );
1317 Debug( LDAP_DEBUG_TRACE,
1318 "connection_read(%d): unable to get TLS client DN "
1319 "error=%d id=%lu\n",
1320 s, rc, c->c_connid );
1323 slap_sasl_external( c, c->c_tls_ssf, authid.bv_val );
1324 if ( authid.bv_val ) free( authid.bv_val );
1327 /* if success and data is ready, fall thru to data input loop */
1329 !ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) )
1331 connection_return( c );
1332 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1338 #ifdef HAVE_CYRUS_SASL
1339 if ( c->c_sasl_layers ) {
1340 /* If previous layer is not removed yet, give up for now */
1341 if ( !c->c_sasl_sockctx ) {
1342 connection_return( c );
1343 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1347 c->c_sasl_layers = 0;
1349 rc = ldap_pvt_sasl_install( c->c_sb, c->c_sasl_sockctx );
1351 if( rc != LDAP_SUCCESS ) {
1353 LDAP_LOG( CONNECTION, ERR,
1354 "connection_read: conn %lu SASL install error %d, closing\n",
1355 c->c_connid, rc, 0 );
1357 Debug( LDAP_DEBUG_TRACE,
1358 "connection_read(%d): SASL install error "
1359 "error=%d id=%lu, closing\n",
1360 s, rc, c->c_connid );
1362 /* connections_mutex and c_mutex are locked */
1363 connection_closing( c );
1364 connection_close( c );
1365 connection_return( c );
1366 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1372 #define CONNECTION_INPUT_LOOP 1
1373 /* #define DATA_READY_LOOP 1 */
1377 /* How do we do this without getting into a busy loop ? */
1378 rc = connection_input( c );
1380 #ifdef DATA_READY_LOOP
1381 while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) );
1382 #elif CONNECTION_INPUT_LOOP
1390 LDAP_LOG( CONNECTION, ERR,
1391 "connection_read: conn %lu input error %d, closing.\n",
1392 c->c_connid, rc, 0 );
1394 Debug( LDAP_DEBUG_TRACE,
1395 "connection_read(%d): input error=%d id=%lu, closing.\n",
1396 s, rc, c->c_connid );
1398 /* connections_mutex and c_mutex are locked */
1399 connection_closing( c );
1400 connection_close( c );
1401 connection_return( c );
1402 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1406 if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_READ, NULL ) ) {
1407 slapd_set_read( s, 1 );
1410 if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_WRITE, NULL ) ) {
1411 slapd_set_write( s, 1 );
1414 connection_return( c );
1415 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1430 #ifdef LDAP_CONNECTIONLESS
1435 if ( conn->c_currentber == NULL &&
1436 ( conn->c_currentber = ber_alloc()) == NULL )
1439 LDAP_LOG( CONNECTION, ERR,
1440 "connection_input: conn %lu ber_alloc failed.\n",
1441 conn->c_connid, 0, 0 );
1443 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
1450 #ifdef LDAP_CONNECTIONLESS
1451 if ( conn->c_is_udp ) {
1452 char peername[sizeof("IP=255.255.255.255:65336")];
1453 len = ber_int_sb_read(conn->c_sb, &peeraddr,
1454 sizeof(struct sockaddr));
1455 if (len != sizeof(struct sockaddr))
1457 sprintf( peername, "IP=%s:%d",
1458 inet_ntoa( peeraddr.sa_in_addr.sin_addr ),
1459 (unsigned) ntohs( peeraddr.sa_in_addr.sin_port ) );
1460 Statslog( LDAP_DEBUG_STATS,
1461 "conn=%lu UDP request from %s (%s) accepted.\n",
1462 conn->c_connid, peername, conn->c_sock_name.bv_val, 0, 0 );
1465 tag = ber_get_next( conn->c_sb, &len, conn->c_currentber );
1466 if ( tag != LDAP_TAG_MESSAGE ) {
1470 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
1473 LDAP_LOG( CONNECTION, ERR,
1474 "connection_input: conn %lu ber_get_next failed, errno %d (%s).\n",
1475 conn->c_connid, err, sock_errstr(err) );
1477 Debug( LDAP_DEBUG_TRACE,
1478 "ber_get_next on fd %d failed errno=%d (%s)\n",
1479 sd, err, sock_errstr(err) );
1481 if ( err != EWOULDBLOCK && err != EAGAIN ) {
1482 /* log, close and send error */
1483 ber_free( conn->c_currentber, 1 );
1484 conn->c_currentber = NULL;
1491 ber = conn->c_currentber;
1492 conn->c_currentber = NULL;
1494 if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
1495 /* log, close and send error */
1497 LDAP_LOG( CONNECTION, ERR,
1498 "connection_input: conn %lu ber_get_int returns 0x%lx.\n",
1499 conn->c_connid, tag, 0 );
1501 Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n",
1508 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
1509 /* log, close and send error */
1511 LDAP_LOG( CONNECTION, ERR,
1512 "connection_input: conn %lu ber_peek_tag returns 0x%lx.\n",
1513 conn->c_connid, tag, 0 );
1515 Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n",
1523 #ifdef LDAP_CONNECTIONLESS
1524 if( conn->c_is_udp ) {
1525 if( tag == LBER_OCTETSTRING ) {
1526 ber_get_stringa( ber, &cdn );
1527 tag = ber_peek_tag(ber, &len);
1529 if( tag != LDAP_REQ_ABANDON && tag != LDAP_REQ_SEARCH ) {
1531 LDAP_LOG( CONNECTION, ERR,
1532 "connection_input: conn %lu invalid req for UDP 0x%lx.\n",
1533 conn->c_connid, tag, 0 );
1535 Debug( LDAP_DEBUG_ANY, "invalid req for UDP 0x%lx\n", tag, 0, 0 );
1542 if(tag == LDAP_REQ_BIND) {
1543 /* immediately abandon all exiting operations upon BIND */
1544 connection_abandon( conn );
1547 op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
1550 op->o_assertion = NULL;
1551 op->o_preread_attrs = NULL;
1552 op->o_postread_attrs = NULL;
1553 op->o_vrFilter = NULL;
1555 #ifdef LDAP_CONTROL_PAGEDRESULTS
1556 op->o_pagedresults_state = conn->c_pagedresults_state;
1559 op->o_res_ber = NULL;
1561 #ifdef LDAP_CONNECTIONLESS
1562 if (conn->c_is_udp) {
1564 ber_str2bv( cdn, 0, 1, &op->o_dn );
1565 op->o_protocol = LDAP_VERSION2;
1567 op->o_res_ber = ber_alloc_t( LBER_USE_DER );
1568 if (op->o_res_ber == NULL) return 1;
1570 rc = ber_write( op->o_res_ber, (char *)&peeraddr,
1571 sizeof(struct sockaddr), 0 );
1573 if (rc != sizeof(struct sockaddr)) {
1575 LDAP_LOG( CONNECTION, INFO,
1576 "connection_input: conn %lu ber_write failed\n",
1577 conn->c_connid, 0, 0 );
1579 Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
1584 if (op->o_protocol == LDAP_VERSION2) {
1585 rc = ber_printf(op->o_res_ber, "{is{" /*}}*/, op->o_msgid, "");
1588 LDAP_LOG( CONNECTION, INFO,
1589 "connection_input: conn %lu put outer sequence failed\n",
1590 conn->c_connid, 0, 0 );
1592 Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
1598 #endif /* LDAP_CONNECTIONLESS */
1602 /* Don't process requests when the conn is in the middle of a
1603 * Bind, or if it's closing. Also, don't let any single conn
1604 * use up all the available threads, and don't execute if we're
1605 * currently blocked on output. And don't execute if there are
1606 * already pending ops, let them go first.
1608 * But always allow Abandon through; it won't cost much.
1610 if ( tag != LDAP_REQ_ABANDON && (conn->c_conn_state == SLAP_C_BINDING
1611 || conn->c_conn_state == SLAP_C_CLOSING
1612 || conn->c_n_ops_executing >= connection_pool_max/2
1613 || conn->c_n_ops_pending
1614 || conn->c_writewaiter))
1616 int max = conn->c_dn.bv_len
1617 ? slap_conn_max_pending_auth
1618 : slap_conn_max_pending;
1621 LDAP_LOG( CONNECTION, INFO,
1622 "connection_input: conn %lu deferring operation\n",
1623 conn->c_connid, 0, 0 );
1625 Debug( LDAP_DEBUG_ANY,
1626 "connection_input: conn=%lu deferring operation\n",
1627 conn->c_connid, 0, 0 );
1629 conn->c_n_ops_pending++;
1630 LDAP_STAILQ_INSERT_TAIL( &conn->c_pending_ops, op, o_next );
1631 if ( conn->c_n_ops_pending > max ) {
1637 conn->c_n_ops_executing++;
1638 connection_op_activate( op );
1642 if ( conn->c_struct_state != SLAP_C_USED ) {
1643 /* connection must have got closed underneath us */
1647 assert( conn->c_struct_state == SLAP_C_USED );
1653 connection_resched( Connection *conn )
1657 if( conn->c_conn_state == SLAP_C_CLOSING ) {
1660 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
1662 /* us trylock to avoid possible deadlock */
1663 rc = ldap_pvt_thread_mutex_trylock( &connections_mutex );
1667 LDAP_LOG( CONNECTION, DETAIL1,
1668 "connection_resched: conn %lu reaquiring locks.\n",
1669 conn->c_connid, 0, 0 );
1671 Debug( LDAP_DEBUG_TRACE,
1672 "connection_resched: reaquiring locks conn=%lu sd=%d\n",
1673 conn->c_connid, sd, 0 );
1676 * reaquire locks in the right order...
1677 * this may allow another thread to close this connection,
1678 * so recheck state below.
1680 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
1681 ldap_pvt_thread_mutex_lock( &connections_mutex );
1682 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
1685 if( conn->c_conn_state != SLAP_C_CLOSING ) {
1687 LDAP_LOG( CONNECTION, INFO,
1688 "connection_resched: conn %lu closed by other thread.\n",
1689 conn->c_connid, 0, 0 );
1691 Debug( LDAP_DEBUG_TRACE, "connection_resched: "
1692 "closed by other thread conn=%lu sd=%d\n",
1693 conn->c_connid, sd, 0 );
1697 LDAP_LOG( CONNECTION, DETAIL1,
1698 "connection_resched: conn %lu attempting closing.\n",
1699 conn->c_connid, 0, 0 );
1701 Debug( LDAP_DEBUG_TRACE, "connection_resched: "
1702 "attempting closing conn=%lu sd=%d\n",
1703 conn->c_connid, sd, 0 );
1705 connection_close( conn );
1708 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1712 if( conn->c_conn_state != SLAP_C_ACTIVE || conn->c_writewaiter ) {
1713 /* other states need different handling */
1717 while ((op = LDAP_STAILQ_FIRST( &conn->c_pending_ops )) != NULL) {
1718 if ( conn->c_n_ops_executing > connection_pool_max/2 ) {
1721 LDAP_STAILQ_REMOVE_HEAD( &conn->c_pending_ops, o_next );
1722 LDAP_STAILQ_NEXT(op, o_next) = NULL;
1723 /* pending operations should not be marked for abandonment */
1724 assert(!op->o_abandon);
1726 conn->c_n_ops_pending--;
1727 conn->c_n_ops_executing++;
1729 connection_op_activate( op );
1731 if ( conn->c_conn_state == SLAP_C_BINDING ) {
1738 static int connection_op_activate( Operation *op )
1741 ber_tag_t tag = op->o_tag;
1743 if(tag == LDAP_REQ_BIND) {
1744 op->o_conn->c_conn_state = SLAP_C_BINDING;
1747 if (!op->o_dn.bv_len) {
1748 op->o_authz = op->o_conn->c_authz;
1749 ber_dupbv( &op->o_dn, &op->o_conn->c_dn );
1750 ber_dupbv( &op->o_ndn, &op->o_conn->c_ndn );
1752 op->o_authtype = op->o_conn->c_authtype;
1753 ber_dupbv( &op->o_authmech, &op->o_conn->c_authmech );
1755 if (!op->o_protocol) {
1756 op->o_protocol = op->o_conn->c_protocol
1757 ? op->o_conn->c_protocol : LDAP_VERSION3;
1759 if (op->o_conn->c_conn_state == SLAP_C_INACTIVE
1760 && op->o_protocol > LDAP_VERSION2)
1762 op->o_conn->c_conn_state = SLAP_C_ACTIVE;
1765 op->o_connid = op->o_conn->c_connid;
1767 LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op, o_next );
1769 status = ldap_pvt_thread_pool_submit( &connection_pool,
1770 connection_operation, (void *) op );
1772 if ( status != 0 ) {
1774 LDAP_LOG( CONNECTION, ERR,
1775 "connection_op_activate: conn %lu thread pool submit failed.\n",
1776 op->o_connid, 0, 0 );
1778 Debug( LDAP_DEBUG_ANY,
1779 "ldap_pvt_thread_pool_submit: failed (%d) for conn=%lu\n",
1780 status, op->o_connid, 0 );
1782 /* should move op to pending list */
1788 int connection_write(ber_socket_t s)
1792 assert( connections != NULL );
1794 ldap_pvt_thread_mutex_lock( &connections_mutex );
1796 c = connection_get( s );
1798 slapd_clr_write( s, 0);
1802 LDAP_LOG( CONNECTION, ERR,
1803 "connection_write: sock %ld no connection!\n", (long)s, 0, 0);
1805 Debug( LDAP_DEBUG_ANY,
1806 "connection_write(%ld): no connection!\n",
1809 slapd_remove(s, 1, 0);
1810 ldap_pvt_thread_mutex_unlock( &connections_mutex );
1817 LDAP_LOG( CONNECTION, DETAIL1,
1818 "connection_write conn %lu waking output.\n", c->c_connid, 0, 0 );
1820 Debug( LDAP_DEBUG_TRACE,
1821 "connection_write(%d): waking output for id=%lu\n",
1822 s, c->c_connid, 0 );
1824 ldap_pvt_thread_cond_signal( &c->c_write_cv );
1826 if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_READ, NULL ) ) {
1827 slapd_set_read( s, 1 );
1829 if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_WRITE, NULL ) ) {
1830 slapd_set_write( s, 1 );
1832 connection_return( c );
1833 ldap_pvt_thread_mutex_unlock( &connections_mutex );