1 /* backover.c - backend overlay routines */
4 * Copyright 2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
9 * Functions to overlay other modules over a backend.
18 #include <ac/string.h>
19 #include <ac/socket.h>
24 static slap_overinst *overlays;
26 enum db_which { db_open = 0, db_close, db_destroy };
34 slap_overinfo *oi = (slap_overinfo *) be->bd_info;
35 slap_overinst *on = oi->oi_list;
40 func = &oi->oi_bi.bi_db_open;
42 rc = func[which]( &oi->oi_bd );
47 for (; on; on=on->on_next) {
48 bd.bd_info = &on->on_bi;
49 func = &on->on_bi.bi_db_open;
51 rc = func[which]( &bd );
67 slap_overinfo *oi = (slap_overinfo *) be->bd_info;
68 slap_overinst *on = oi->oi_list;
72 if ( oi->oi_bi.bi_db_config ) {
73 rc = oi->oi_bi.bi_db_config( &oi->oi_bd, fname, lineno,
79 for (; on; on=on->on_next) {
80 bd.bd_info = &on->on_bi;
81 if (on->on_bi.bi_db_config) {
82 rc = on->on_bi.bi_db_config( &bd, fname, lineno,
95 return over_db_func( be, db_open );
103 return over_db_func( be, db_close );
111 slap_overinfo *oi = (slap_overinfo *) be->bd_info;
112 slap_overinst *on = oi->oi_list, *next;
115 rc = over_db_func( be, db_destroy );
117 for (next = on->on_next; on; on=next) {
126 over_back_response ( Operation *op, SlapReply *rs )
128 slap_overinfo *oi = (slap_overinfo *) op->o_bd->bd_info;
129 slap_overinst *on = oi->oi_list;
131 BackendDB *be = op->o_bd, db = *op->o_bd;
134 for (; on; on=on->on_next ) {
135 if ( on->on_response ) {
136 db.bd_info = (BackendInfo *)on;
137 rc = on->on_response( op, rs );
145 enum op_which { op_bind = 0, op_unbind, op_search, op_compare,
146 op_modify, op_modrdn, op_add, op_delete, op_abandon,
147 op_cancel, op_extended };
156 slap_overinfo *oi = (slap_overinfo *) op->o_bd->bd_info;
157 slap_overinst *on = oi->oi_list;
159 BackendDB *be = op->o_bd, db = *op->o_bd;
161 slap_callback cb = {over_back_response, NULL};
164 for (; on; on=on->on_next ) {
165 func = &on->on_bi.bi_op_bind;
167 db.bd_info = (BackendInfo *)on;
168 rc = func[which]( op, rs );
172 func = &oi->oi_bi.bi_op_bind;
174 rc = func[which]( op, rs );
182 over_op_bind( Operation *op, SlapReply *rs )
184 return over_op_func( op, rs, op_bind );
188 over_op_unbind( Operation *op, SlapReply *rs )
190 return over_op_func( op, rs, op_unbind );
194 over_op_search( Operation *op, SlapReply *rs )
196 return over_op_func( op, rs, op_search );
200 over_op_compare( Operation *op, SlapReply *rs )
202 return over_op_func( op, rs, op_compare );
206 over_op_modify( Operation *op, SlapReply *rs )
208 return over_op_func( op, rs, op_modify );
212 over_op_modrdn( Operation *op, SlapReply *rs )
214 return over_op_func( op, rs, op_modrdn );
218 over_op_add( Operation *op, SlapReply *rs )
220 return over_op_func( op, rs, op_add );
224 over_op_delete( Operation *op, SlapReply *rs )
226 return over_op_func( op, rs, op_delete );
230 over_op_abandon( Operation *op, SlapReply *rs )
232 return over_op_func( op, rs, op_abandon );
236 over_op_cancel( Operation *op, SlapReply *rs )
238 return over_op_func( op, rs, op_cancel );
242 over_op_extended( Operation *op, SlapReply *rs )
244 return over_op_func( op, rs, op_extended );
252 on->on_next = overlays;
257 static const char overtype[] = "over";
259 /* add an overlay to a particular backend. */
261 overlay_config( BackendDB *be, const char *ov )
263 slap_overinst *on, *on2, *prev;
267 for ( on = overlays; on; on=on->on_next ) {
268 if (!strcmp( ov, on->on_bi.bi_type ) )
272 Debug( LDAP_DEBUG_ANY, "overlay %s not found\n", ov, 0, 0 );
276 if ( be->bd_info->bi_type != overtype ) {
277 oi = ch_malloc( sizeof(slap_overinfo) );
279 oi->oi_bi = *be->bd_info;
281 bi = (BackendInfo *)oi;
283 bi->bi_type = (char *)overtype;
285 bi->bi_db_config = over_db_config;
286 bi->bi_db_open = over_db_open;
287 bi->bi_db_close = over_db_close;
288 bi->bi_db_destroy = over_db_destroy;
290 bi->bi_op_bind = over_op_bind;
291 bi->bi_op_unbind = over_op_unbind;
292 bi->bi_op_search = over_op_search;
293 bi->bi_op_compare = over_op_compare;
294 bi->bi_op_modify = over_op_modify;
295 bi->bi_op_modrdn = over_op_modrdn;
296 bi->bi_op_add = over_op_add;
297 bi->bi_op_delete = over_op_delete;
298 bi->bi_op_abandon = over_op_abandon;
299 bi->bi_op_cancel = over_op_cancel;
300 bi->bi_extended = over_op_extended;
305 oi = (slap_overinfo *) be->bd_info;
306 for ( prev=NULL, on2 = oi->oi_list; on2; prev=on2, on2=on2->on_next );
307 on2 = ch_malloc( sizeof(slap_overinst) );