1 /* back-asyncmeta.h - main header file for back-asyncmeta module */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2016-2018 The OpenLDAP Foundation.
6 * Portions Copyright 2016 Symas Corporation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
19 * This work was developed by Symas Corporation
20 * based on back-meta module for inclusion in OpenLDAP Software.
21 * This work was sponsored by Ericsson. */
24 #error "include servers/slapd/back-ldap/back-ldap.h before this file!"
25 #endif /* SLAPD_LDAP_H */
27 #ifndef SLAPD_ASYNCMETA_H
28 #define SLAPD_ASYNCMETA_H
30 #ifndef ENABLE_REWRITE
31 #error "--enable-rewrite is required!"
35 #define SLAPD_META_CLIENT_PR 1
36 #endif /* LDAP_DEVEL */
38 #include "proto-asyncmeta.h"
40 /* String rewrite library */
47 * Set META_BACK_PRINT_CONNTREE larger than 0 to dump the connection tree (debug only)
49 #ifndef META_BACK_PRINT_CONNTREE
50 #define META_BACK_PRINT_CONNTREE 0
51 #endif /* !META_BACK_PRINT_CONNTREE */
53 /* from back-ldap.h before rwm removal */
70 struct rewrite_info *rwm_rw;
71 BerVarray rwm_bva_rewrite;
74 * Attribute/objectClass mapping
76 struct ldapmap rwm_oc;
77 struct ldapmap rwm_at;
78 BerVarray rwm_bva_map;
81 /* Whatever context asyncmeta_dn_massage needs... */
82 typedef struct a_dncookie {
83 struct a_metatarget_t *target;
90 int asyncmeta_dn_massage(a_dncookie *dc, struct berval *dn,
93 extern int asyncmeta_conn_dup( void *c1, void *c2 );
94 extern void asyncmeta_conn_free( void *c );
96 /* attributeType/objectClass mapping */
97 int asyncmeta_mapping_cmp (const void *, const void *);
98 int asyncmeta_mapping_dup (void *, void *);
100 void asyncmeta_map_init ( struct ldapmap *lm, struct ldapmapping ** );
101 int asyncmeta_mapping ( struct ldapmap *map, struct berval *s,
102 struct ldapmapping **m, int remap );
103 void asyncmeta_map ( struct ldapmap *map, struct berval *s, struct berval *m,
105 #define BACKLDAP_MAP 0
106 #define BACKLDAP_REMAP 1
108 asyncmeta_map_filter(
109 struct ldapmap *at_map,
110 struct ldapmap *oc_map,
117 struct ldapmap *at_map,
120 char ***mapped_attrs );
123 asyncmeta_filter_map_rewrite(
130 /* suffix massaging by means of librewrite */
132 asyncmeta_suffix_massage_config( struct rewrite_info *info,
136 struct berval *nrnc );
139 asyncmeta_back_referral_result_rewrite(
144 asyncmeta_dnattr_rewrite(
148 asyncmeta_dnattr_result_rewrite(
153 /* (end of) from back-ldap.h before rwm removal */
156 * A a_metasingleconn_t can be in the following, mutually exclusive states:
159 * - creating META_BACK_FCONN_CREATING
160 * - initialized META_BACK_FCONN_INITED
161 * - binding LDAP_BACK_FCONN_BINDING
162 * - bound/anonymous LDAP_BACK_FCONN_ISBOUND/LDAP_BACK_FCONN_ISANON
164 * possible modifiers are:
166 * - privileged LDAP_BACK_FCONN_ISPRIV
167 * - privileged, TLS LDAP_BACK_FCONN_ISTLS
168 * - subjected to idassert LDAP_BACK_FCONN_ISIDASR
169 * - tainted LDAP_BACK_FCONN_TAINTED
172 #define META_BACK_FCONN_INITED (0x00100000U)
173 #define META_BACK_FCONN_CREATING (0x00200000U)
175 #define META_BACK_CONN_INITED(lc) LDAP_BACK_CONN_ISSET((lc), META_BACK_FCONN_INITED)
176 #define META_BACK_CONN_INITED_SET(lc) LDAP_BACK_CONN_SET((lc), META_BACK_FCONN_INITED)
177 #define META_BACK_CONN_INITED_CLEAR(lc) LDAP_BACK_CONN_CLEAR((lc), META_BACK_FCONN_INITED)
178 #define META_BACK_CONN_INITED_CPY(lc, mlc) LDAP_BACK_CONN_CPY((lc), META_BACK_FCONN_INITED, (mlc))
179 #define META_BACK_CONN_CREATING(lc) LDAP_BACK_CONN_ISSET((lc), META_BACK_FCONN_CREATING)
180 #define META_BACK_CONN_CREATING_SET(lc) LDAP_BACK_CONN_SET((lc), META_BACK_FCONN_CREATING)
181 #define META_BACK_CONN_CREATING_CLEAR(lc) LDAP_BACK_CONN_CLEAR((lc), META_BACK_FCONN_CREATING)
182 #define META_BACK_CONN_CREATING_CPY(lc, mlc) LDAP_BACK_CONN_CPY((lc), META_BACK_FCONN_CREATING, (mlc))
186 struct a_metatarget_t;
187 #define META_NOT_CANDIDATE ((ber_tag_t)0x0)
188 #define META_CANDIDATE ((ber_tag_t)0x1)
189 #define META_BINDING ((ber_tag_t)0x2)
190 #define META_RETRYING ((ber_tag_t)0x4)
192 typedef struct bm_context_t {
193 LDAP_SLIST_ENTRY(bm_context_t) bc_next;
196 ldap_back_send_t sendok;
197 ldap_back_send_t retrying;
201 int searchtime; /* stoptime is a search timelimit */
207 SlapReply *candidates;
210 typedef struct a_metasingleconn_t {
211 #define META_CND_ISSET(rs,f) ( ( (rs)->sr_tag & (f) ) == (f) )
212 #define META_CND_SET(rs,f) ( (rs)->sr_tag |= (f) )
213 #define META_CND_CLEAR(rs,f) ( (rs)->sr_tag &= ~(f) )
215 #define META_CANDIDATE_RESET(rs) ( (rs)->sr_tag = 0 )
216 #define META_IS_CANDIDATE(rs) META_CND_ISSET( (rs), META_CANDIDATE )
217 #define META_CANDIDATE_SET(rs) META_CND_SET( (rs), META_CANDIDATE )
218 #define META_CANDIDATE_CLEAR(rs) META_CND_CLEAR( (rs), META_CANDIDATE )
219 #define META_IS_BINDING(rs) META_CND_ISSET( (rs), META_BINDING )
220 #define META_BINDING_SET(rs) META_CND_SET( (rs), META_BINDING )
221 #define META_BINDING_CLEAR(rs) META_CND_CLEAR( (rs), META_BINDING )
222 #define META_IS_RETRYING(rs) META_CND_ISSET( (rs), META_RETRYING )
223 #define META_RETRYING_SET(rs) META_CND_SET( (rs), META_RETRYING )
224 #define META_RETRYING_CLEAR(rs) META_CND_CLEAR( (rs), META_RETRYING )
229 struct berval msc_bound_ndn;
230 struct berval msc_cred;
231 unsigned msc_mscflags;
232 /* NOTE: lc_lcflags is redefined to msc_mscflags to reuse the macros
233 * defined for back-ldap */
234 #define lc_lcflags msc_mscflags
237 /* Connection for the select */
239 } a_metasingleconn_t;
241 typedef struct a_metaconn_t {
242 ldapconn_base_t lc_base;
243 #define mc_base lc_base
244 //#define mc_conn mc_base.lcb_conn
245 //#define mc_local_ndn mc_base.lcb_local_ndn
246 //#define mc_refcnt mc_base.lcb_refcnt
247 //#define mc_create_time mc_base.lcb_create_time
248 //#define mc_time mc_base.lcb_time
250 LDAP_TAILQ_ENTRY(a_metaconn_t) mc_q;
252 /* NOTE: msc_mscflags is used to recycle the #define
253 * in metasingleconn_t */
254 unsigned msc_mscflags;
258 * means that the connection is bound;
259 * of course only one target actually is ...
262 #define META_BOUND_NONE (-1)
263 #define META_BOUND_ALL (-2)
265 struct a_metainfo_t *mc_info;
268 ldap_pvt_thread_mutex_t mc_om_mutex;
269 /* queue for pending operations */
270 LDAP_SLIST_HEAD(BCList, bm_context_t) mc_om_list;
271 /* supersedes the connection stuff */
272 a_metasingleconn_t *mc_conns;
275 typedef enum meta_st_t {
277 META_ST_EXACT = LDAP_SCOPE_BASE,
279 META_ST_SUBTREE = LDAP_SCOPE_SUBTREE,
280 META_ST_SUBORDINATE = LDAP_SCOPE_SUBORDINATE,
281 META_ST_REGEX /* last + 1 */
284 typedef struct a_metasubtree_t {
287 struct berval msu_dn;
289 struct berval msr_regex_pattern;
293 #define ms_dn ms_un.msu_dn
294 #define ms_regex ms_un.msu_regex.msr_regex
295 #define ms_regex_pattern ms_un.msu_regex.msr_regex_pattern
297 struct a_metasubtree_t *ms_next;
300 typedef struct metafilter_t {
301 struct metafilter_t *mf_next;
302 struct berval mf_regex_pattern;
306 typedef struct a_metacommon_t {
309 #define META_RETRY_UNDEFINED (-2)
310 #define META_RETRY_FOREVER (-1)
311 #define META_RETRY_NEVER (0)
312 #define META_RETRY_DEFAULT (10)
315 #define META_BACK_CMN_ISSET(mc,f) ( ( (mc)->mc_flags & (f) ) == (f) )
316 #define META_BACK_CMN_QUARANTINE(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_QUARANTINE )
317 #define META_BACK_CMN_CHASE_REFERRALS(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_CHASE_REFERRALS )
318 #define META_BACK_CMN_NOREFS(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_NOREFS )
319 #define META_BACK_CMN_NOUNDEFFILTER(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_NOUNDEFFILTER )
320 #define META_BACK_CMN_SAVECRED(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_SAVECRED )
321 #define META_BACK_CMN_ST_REQUEST(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_ST_REQUEST )
323 #ifdef SLAPD_META_CLIENT_PR
325 * client-side paged results:
326 * -1: accept unsolicited paged results responses
328 * >0: always request paged results with size == mt_ps
330 #define META_CLIENT_PR_DISABLE (0)
331 #define META_CLIENT_PR_ACCEPT_UNSOLICITED (-1)
333 #endif /* SLAPD_META_CLIENT_PR */
335 slap_retry_info_t mc_quarantine;
336 time_t mc_network_timeout;
337 struct timeval mc_bind_timeout;
338 #define META_BIND_TIMEOUT LDAP_BACK_RESULT_UTIMEOUT
339 time_t mc_timeout[ SLAP_OP_LAST ];
342 typedef struct a_metatarget_t {
344 ldap_pvt_thread_mutex_t mt_uri_mutex;
346 /* TODO: we might want to enable different strategies
347 * for different targets */
348 LDAP_REBIND_PROC *mt_rebind_f;
349 LDAP_URLLIST_PROC *mt_urllist_f;
352 metafilter_t *mt_filter;
353 a_metasubtree_t *mt_subtree;
354 /* F: subtree-include; T: subtree-exclude */
355 int mt_subtree_exclude;
359 struct berval mt_psuffix; /* pretty suffix */
360 struct berval mt_nsuffix; /* normalized suffix */
362 struct berval mt_binddn;
363 struct berval mt_bindpw;
365 /* we only care about the TLS options here */
366 slap_bindconf mt_tls;
368 slap_idassert_t mt_idassert;
369 #define mt_idassert_mode mt_idassert.si_mode
370 #define mt_idassert_authcID mt_idassert.si_bc.sb_authcId
371 #define mt_idassert_authcDN mt_idassert.si_bc.sb_binddn
372 #define mt_idassert_passwd mt_idassert.si_bc.sb_cred
373 #define mt_idassert_authzID mt_idassert.si_bc.sb_authzId
374 #define mt_idassert_authmethod mt_idassert.si_bc.sb_method
375 #define mt_idassert_sasl_mech mt_idassert.si_bc.sb_saslmech
376 #define mt_idassert_sasl_realm mt_idassert.si_bc.sb_realm
377 #define mt_idassert_secprops mt_idassert.si_bc.sb_secprops
378 #define mt_idassert_tls mt_idassert.si_bc.sb_tls
379 #define mt_idassert_flags mt_idassert.si_flags
380 #define mt_idassert_authz mt_idassert.si_authz
382 struct ldaprwmap mt_rwmap;
384 sig_atomic_t mt_isquarantined;
385 ldap_pvt_thread_mutex_t mt_quarantine_mutex;
387 a_metacommon_t mt_mc;
388 #define mt_nretries mt_mc.mc_nretries
389 #define mt_flags mt_mc.mc_flags
390 #define mt_version mt_mc.mc_version
391 #define mt_ps mt_mc.mc_ps
392 #define mt_network_timeout mt_mc.mc_network_timeout
393 #define mt_bind_timeout mt_mc.mc_bind_timeout
394 #define mt_timeout mt_mc.mc_timeout
395 #define mt_quarantine mt_mc.mc_quarantine
397 #define META_BACK_TGT_ISSET(mt,f) ( ( (mt)->mt_flags & (f) ) == (f) )
398 #define META_BACK_TGT_ISMASK(mt,m,f) ( ( (mt)->mt_flags & (m) ) == (f) )
400 #define META_BACK_TGT_SAVECRED(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_SAVECRED )
402 #define META_BACK_TGT_USE_TLS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_USE_TLS )
403 #define META_BACK_TGT_PROPAGATE_TLS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_PROPAGATE_TLS )
404 #define META_BACK_TGT_TLS_CRITICAL(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_TLS_CRITICAL )
406 #define META_BACK_TGT_CHASE_REFERRALS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_CHASE_REFERRALS )
408 #define META_BACK_TGT_T_F(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_T_F_MASK, LDAP_BACK_F_T_F )
409 #define META_BACK_TGT_T_F_DISCOVER(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_T_F_MASK2, LDAP_BACK_F_T_F_DISCOVER )
411 #define META_BACK_TGT_ABANDON(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_ABANDON )
412 #define META_BACK_TGT_IGNORE(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_IGNORE )
413 #define META_BACK_TGT_CANCEL(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_EXOP )
414 #define META_BACK_TGT_CANCEL_DISCOVER(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK2, LDAP_BACK_F_CANCEL_EXOP_DISCOVER )
415 #define META_BACK_TGT_QUARANTINE(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_QUARANTINE )
417 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
418 #define META_BACK_TGT_ST_REQUEST(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_ST_REQUEST )
419 #define META_BACK_TGT_ST_RESPONSE(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_ST_RESPONSE )
420 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
422 #define META_BACK_TGT_NOREFS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOREFS )
423 #define META_BACK_TGT_NOUNDEFFILTER(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOUNDEFFILTER )
425 #define META_BACK_CFG_MAX_PENDING_OPS 0x80
426 #define META_BACK_CFG_MAX_TARGET_CONNS 0xFF
427 /* the interval of the timeout checking loop in microseconds
428 * possibly make this configurable? */
429 #define META_BACK_CFG_MAX_TIMEOUT_LOOP 0x70000
430 slap_mask_t mt_rep_flags;
434 typedef struct a_metadncache_t {
435 ldap_pvt_thread_mutex_t mutex;
438 #define META_DNCACHE_DISABLED (0)
439 #define META_DNCACHE_FOREVER ((time_t)(-1))
440 time_t ttl; /* seconds; 0: no cache, -1: no expiry */
443 typedef struct a_metacandidates_t {
445 SlapReply *mc_candidates;
446 } a_metacandidates_t;
449 * Hook to allow mucking with a_metainfo_t/a_metatarget_t when quarantine is over
451 typedef int (*asyncmeta_quarantine_f)( struct a_metainfo_t *, int target, void * );
453 struct meta_out_message_t;
455 typedef struct a_metainfo_t {
457 int mi_defaulttarget;
458 #define META_DEFAULT_TARGET_NONE (-1)
460 #define mi_nretries mi_mc.mc_nretries
461 #define mi_flags mi_mc.mc_flags
462 #define mi_version mi_mc.mc_version
463 #define mi_ps mi_mc.mc_ps
464 #define mi_network_timeout mi_mc.mc_network_timeout
465 #define mi_bind_timeout mi_mc.mc_bind_timeout
466 #define mi_timeout mi_mc.mc_timeout
467 #define mi_quarantine mi_mc.mc_quarantine
469 a_metatarget_t **mi_targets;
470 a_metacandidates_t *mi_candidates;
472 LDAP_REBIND_PROC *mi_rebind_f;
473 LDAP_URLLIST_PROC *mi_urllist_f;
475 a_metadncache_t mi_cache;
479 LDAP_TAILQ_HEAD(mc_conn_priv_q, a_metaconn_t) mic_priv;
480 } mi_conn_priv[ LDAP_BACK_PCONN_LAST ];
481 int mi_conn_priv_max;
483 /* NOTE: quarantine uses the connection mutex */
484 asyncmeta_quarantine_f mi_quarantine_f;
485 void *mi_quarantine_p;
487 #define li_flags mi_flags
488 /* uses flags as defined in <back-ldap/back-ldap.h> */
489 #define META_BACK_F_ONERR_STOP LDAP_BACK_F_ONERR_STOP
490 #define META_BACK_F_ONERR_REPORT (0x02000000U)
491 #define META_BACK_F_ONERR_MASK (META_BACK_F_ONERR_STOP|META_BACK_F_ONERR_REPORT)
492 #define META_BACK_F_DEFER_ROOTDN_BIND (0x04000000U)
493 #define META_BACK_F_PROXYAUTHZ_ALWAYS (0x08000000U) /* users always proxyauthz */
494 #define META_BACK_F_PROXYAUTHZ_ANON (0x10000000U) /* anonymous always proxyauthz */
495 #define META_BACK_F_PROXYAUTHZ_NOANON (0x20000000U) /* anonymous remains anonymous */
497 #define META_BACK_ONERR_STOP(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_STOP )
498 #define META_BACK_ONERR_REPORT(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_REPORT )
499 #define META_BACK_ONERR_CONTINUE(mi) ( !LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_MASK ) )
501 #define META_BACK_DEFER_ROOTDN_BIND(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_DEFER_ROOTDN_BIND )
502 #define META_BACK_PROXYAUTHZ_ALWAYS(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_ALWAYS )
503 #define META_BACK_PROXYAUTHZ_ANON(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_ANON )
504 #define META_BACK_PROXYAUTHZ_NOANON(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_NOANON )
506 #define META_BACK_QUARANTINE(mi) LDAP_BACK_ISSET( (mi), LDAP_BACK_F_QUARANTINE )
508 time_t mi_idle_timeout;
509 struct re_s *mi_task;
511 a_metacommon_t mi_mc;
512 ldap_extra_t *mi_ldap_extra;
514 int mi_max_timeout_ops;
515 int mi_max_pending_ops;
516 int mi_max_target_conns;
517 /* mutex for access to the connection structures */
518 ldap_pvt_thread_mutex_t mi_mc_mutex;
521 a_metaconn_t *mi_conns;
525 typedef enum meta_op_type {
526 META_OP_ALLOW_MULTIPLE = 0,
527 META_OP_REQUIRE_SINGLE,
531 extern a_metaconn_t *
535 SlapReply *candidates,
537 ldap_back_send_t sendok,
546 ldap_back_send_t sendok );
553 asyncmeta_init_one_conn(
559 ldap_back_send_t sendok,
563 asyncmeta_quarantine(
574 ldap_back_send_t sendok,
575 SlapReply *candidates);
578 asyncmeta_single_dobind(
583 ldap_back_send_t sendok,
588 asyncmeta_proxy_authz_cred(
593 ldap_back_send_t sendok,
594 struct berval *binddn,
595 struct berval *bindcred,
605 ldap_back_send_t sendok );
615 ldap_back_send_t sendok );
618 asyncmeta_controls_add(
623 LDAPControl ***pctrls );
626 asyncmeta_LTX_init_module(
634 asyncmeta_is_candidate(
640 asyncmeta_select_unique_candidate(
642 struct berval *ndn );
645 asyncmeta_clear_unused_candidates(
649 SlapReply *candidates);
652 * Dn cache stuff (experimental)
655 asyncmeta_dncache_cmp(
660 asyncmeta_dncache_dup(
664 #define META_TARGET_NONE (-1)
665 #define META_TARGET_MULTIPLE (-2)
667 asyncmeta_dncache_get_target(
668 a_metadncache_t *cache,
669 struct berval *ndn );
672 meta_dncache_update_entry(
673 a_metadncache_t *cache,
678 asyncmeta_dncache_delete_entry(
679 a_metadncache_t *cache,
680 struct berval *ndn );
683 asyncmeta_dncache_free( void *entry );
686 asyncmeta_back_map_free( struct ldapmap *lm );
689 asyncmeta_subtree_destroy( a_metasubtree_t *ms );
692 asyncmeta_filter_destroy( metafilter_t *mf );
695 asyncmeta_target_finish( a_metainfo_t *mi, a_metatarget_t *mt,
696 const char *log, char *msg, size_t msize
700 extern LDAP_REBIND_PROC asyncmeta_back_default_rebind;
701 extern LDAP_URLLIST_PROC asyncmeta_back_default_urllist;
703 /* IGNORE means that target does not (no longer) participate
705 * NOTREADY means the search on that target has not been initialized yet
707 #define META_MSGID_IGNORE (-1)
708 #define META_MSGID_NEED_BIND (-2)
709 #define META_MSGID_CONNECTING (-3)
710 #define META_MSGID_UNDEFINED (-4)
712 typedef enum meta_search_candidate_t {
713 META_SEARCH_UNDEFINED = -2,
714 META_SEARCH_ERR = -1,
715 META_SEARCH_NOT_CANDIDATE,
716 META_SEARCH_CANDIDATE,
718 META_SEARCH_NEED_BIND,
719 META_SEARCH_CONNECTING
720 } meta_search_candidate_t;
722 Operation* asyncmeta_copy_op(Operation *op);
723 void asyncmeta_clear_bm_context(bm_context_t *bc);
725 int asyncmeta_add_message_queue(a_metaconn_t *mc, bm_context_t *bc);
726 void asyncmeta_drop_bc(a_metaconn_t *mc, bm_context_t *bc);
729 asyncmeta_find_message(ber_int_t msgid, a_metaconn_t *mc, int candidate);
732 asyncmeta_find_message_by_opmsguid(ber_int_t msgid, a_metaconn_t *mc, int remove);
734 void* asyncmeta_op_handle_result(void *ctx, void *arg);
735 int asyncmeta_back_cleanup( Operation *op, SlapReply *rs, bm_context_t *bm );
738 asyncmeta_clear_one_msc(
744 asyncmeta_get_next_mc( a_metainfo_t *mi );
746 void* asyncmeta_timeout_loop(void *ctx, void *arg);
748 asyncmeta_start_timeout_loop(a_metatarget_t *mt, a_metainfo_t *mi);
749 void asyncmeta_set_msc_time(a_metasingleconn_t *msc);
750 void asyncmeta_clear_message_queue(a_metasingleconn_t *msc);
752 int asyncmeta_back_cancel(
759 asyncmeta_back_cancel_msc(
763 a_metasingleconn_t *msc,
765 ldap_back_send_t sendok );
768 asyncmeta_back_abandon_candidate(
774 asyncmeta_send_result(bm_context_t* bc, int error, char *text);
776 int asyncmeta_new_bm_context(Operation *op, SlapReply *rs, bm_context_t **new_bc, int ntargets);
777 int asyncmeta_start_listeners(a_metaconn_t *mc, SlapReply *candidates, bm_context_t *bc);
778 int asyncmeta_start_one_listener(a_metaconn_t *mc, SlapReply *candidates, bm_context_t *bc, int candidate);
780 meta_search_candidate_t
781 asyncmeta_back_search_start(
787 struct berval *prcookie,
790 meta_search_candidate_t
791 asyncmeta_dobind_init(
798 meta_search_candidate_t
799 asyncmeta_dobind_init_with_retry(
806 meta_search_candidate_t
807 asyncmeta_back_add_start(Operation *op,
812 meta_search_candidate_t
813 asyncmeta_back_modify_start(Operation *op,
819 meta_search_candidate_t
820 asyncmeta_back_modrdn_start(Operation *op,
825 meta_search_candidate_t
826 asyncmeta_back_delete_start(Operation *op,
832 meta_search_candidate_t
833 asyncmeta_back_compare_start(Operation *op,
841 asyncmeta_sender_error(Operation *op,
848 #endif /* SLAPD_ASYNCMETA_H */