git.sur5r.net Git - openldap/blob - servers/slapd/back-meta/cache-remove.c

   1 /* Copyright (c) 2003 by International Business Machines, Inc.
   2  *
   3  * International Business Machines, Inc. (hereinafter called IBM) grants
   4  * permission under its copyrights to use, copy, modify, and distribute this
   5  * Software with or without fee, provided that the above copyright notice and
   6  * all paragraphs of this notice appear in all copies, and that the name of IBM
   7  * not be used in connection with the marketing of any product incorporating
   8  * the Software or modifications thereof, without specific, written prior
   9  * permission.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
  12  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  13  * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
  14  * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
  15  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
  16  * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/socket.h>
  24 #include <ac/string.h>
  25 #include <ac/time.h>
  26
  27 #include "slap.h"
  28 #include "ldif.h"
  29 #include "../back-ldap/back-ldap.h"
  30 #include "back-meta.h"
  31 #include "ldap_pvt.h"
  32 #undef ldap_debug       /* silence a warning in ldap-int.h */
  33 #include "ldap_log.h"
  34 #include "../../../libraries/libldap/ldap-int.h"
  35 #include <sys/time.h>
  36
  37 #ifdef LDAP_CACHING
  38 static int
  39 remove_func (
  40         Operation       *op,
  41         SlapReply       *rs
  42 );
  43
  44 struct query_info {
  45         int                     freed;
  46         int                     deleted;
  47         struct berval*          uuid;
  48         struct timeval          tv;
  49         enum type_of_result     err;
  50 };
  51
  52 int
  53 remove_query_data (
  54         Operation       *op,
  55         SlapReply       *rs,
  56         struct berval* query_uuid,
  57         struct exception* result)
  58 {
  59         struct query_info       info;
  60         char                    filter_str[64];
  61         Operation               op_tmp = *op;
  62         Filter                  *filter;
  63         long timediff;
  64         SlapReply               sreply = {REP_RESULT};
  65         slap_callback cb = { remove_func, NULL };
  66
  67         sreply.sr_entry = NULL;
  68         sreply.sr_nentries = 0;
  69         snprintf(filter_str, sizeof(filter_str), "(queryid=%s)",
  70                         query_uuid->bv_val);
  71         filter = str2filter(filter_str);
  72         info.uuid = query_uuid;
  73         info.freed = 0;
  74         info.deleted = 0;
  75         info.err = SUCCESS;
  76         cb.sc_private = &info;
  77
  78         op_tmp.o_tag = LDAP_REQ_SEARCH;
  79         op_tmp.o_protocol = LDAP_VERSION3;
  80         op_tmp.o_callback = &cb;
  81         op_tmp.o_time = slap_get_time();
  82         op_tmp.o_do_not_cache = 1;
  83         op_tmp.o_caching_on = 0;
  84
  85         op_tmp.o_req_dn = op->o_bd->be_suffix[0];
  86         op_tmp.o_req_ndn = op->o_bd->be_nsuffix[0];
  87         op_tmp.ors_scope = LDAP_SCOPE_SUBTREE;
  88         op_tmp.ors_deref = LDAP_DEREF_NEVER;
  89         op_tmp.ors_slimit = 0;
  90         op_tmp.ors_tlimit = 0;
  91         op_tmp.ors_filter = filter;
  92         op_tmp.ors_filterstr.bv_val = filter_str;
  93         op_tmp.ors_filterstr.bv_len = strlen(filter_str);
  94         op_tmp.ors_attrs = NULL;
  95         op_tmp.ors_attrsonly = 0;
  96
  97         op->o_bd->be_search( &op_tmp, &sreply );
  98
  99         result->type = info.err;
 100         result->rc = info.deleted;
 101
 102         return info.freed;
 103 }
 104
 105 static int
 106 remove_func (
 107         Operation       *op,
 108         SlapReply       *rs
 109 )
 110 {
 111         struct query_info       *info = op->o_callback->sc_private;
 112         int                     count = 0;
 113         int                     size;
 114         long                    timediff;
 115         Modifications           *mod;
 116
 117         Attribute               *attr;
 118         Operation               op_tmp = *op;
 119
 120         SlapReply               sreply = {REP_RESULT};
 121
 122         if (rs->sr_type == REP_RESULT)
 123                 return 0;
 124
 125         size = get_entry_size(rs->sr_entry, 0, NULL);
 126
 127         for (attr = rs->sr_entry->e_attrs; attr!= NULL; attr = attr->a_next) {
 128                 if (attr->a_desc == slap_schema.si_ad_queryid) {
 129                         for (count=0; attr->a_vals[count].bv_val; count++)
 130                                 ;
 131                         break;
 132                 }
 133         }
 134
 135         if (count == 0) {
 136                 info->err = REMOVE_ERR;
 137                 return 0;
 138         }
 139         if (count == 1) {
 140                 info->freed += size;
 141 #ifdef NEW_LOGGING
 142                 LDAP_LOG( BACK_META, DETAIL1,
 143                                 "DELETING ENTRY SIZE=%d TEMPLATE=%s\n",
 144                                 size, attr->a_vals[0].bv_val, 0 );
 145 #else
 146                 Debug( LDAP_DEBUG_ANY, "DELETING ENTRY SIZE=%d TEMPLATE=%s\n",
 147                                 size, attr->a_vals[0].bv_val, 0 );
 148 #endif
 149
 150                 op_tmp.o_req_dn = rs->sr_entry->e_name;
 151                 op_tmp.o_req_ndn = rs->sr_entry->e_nname;
 152
 153                 if (op->o_bd->be_delete(&op_tmp, rs)) {
 154                         info->err = REMOVE_ERR;
 155                 } else {
 156                         info->deleted++;
 157                 }
 158                 return 0;
 159         }
 160
 161         mod = (Modifications*)malloc(sizeof(Modifications));
 162         mod->sml_op = LDAP_MOD_DELETE;
 163         mod->sml_type.bv_len = sizeof("queryid");
 164         mod->sml_type.bv_val = "queryid";
 165         mod->sml_desc = slap_schema.si_ad_queryid;
 166         mod->sml_bvalues = (struct berval*) malloc( 2 * sizeof( struct berval) );
 167         ber_dupbv(mod->sml_bvalues, info->uuid);
 168         mod->sml_bvalues[1].bv_val = NULL;
 169         mod->sml_bvalues[1].bv_len = 0;
 170         mod->sml_next = NULL;
 171 #ifdef NEW_LOGGING
 172         LDAP_LOG( BACK_META, DETAIL1,
 173                         "REMOVING TEMP ATTR : TEMPLATE=%s\n",
 174                         attr->a_vals[0].bv_val, 0, 0 );
 175 #else
 176         Debug( LDAP_DEBUG_ANY, "REMOVING TEMP ATTR : TEMPLATE=%s\n",
 177                         attr->a_vals[0].bv_val, 0, 0 );
 178 #endif
 179
 180         op_tmp.o_req_dn = rs->sr_entry->e_name;
 181         op_tmp.o_req_ndn = rs->sr_entry->e_nname;
 182         op_tmp.orm_modlist = mod;
 183
 184         if (op->o_bd->be_modify( &op_tmp, &sreply )) {
 185                 info->err = REMOVE_ERR;
 186         }
 187
 188         info->freed += LDIF_SIZE_NEEDED(9, (strlen(info->uuid->bv_val)));
 189
 190         return 0;
 191 }
 192
 193 #endif /* LDAP_CACHING */