git.sur5r.net Git - openldap/blob - servers/slapd/operation.c

   1 /* operation.c - routines to deal with pending ldap operations */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/string.h>
   8 #include <ac/socket.h>
   9
  10 #include "slap.h"
  11
  12
  13 void
  14 slap_op_free( Operation *op )
  15 {
  16 #ifdef LDAP_DEBUG
  17         assert( op->o_next == NULL );
  18 #endif
  19
  20         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
  21
  22         if ( op->o_ber != NULL ) {
  23                 ber_free( op->o_ber, 1 );
  24         }
  25         if ( op->o_dn != NULL ) {
  26                 free( op->o_dn );
  27         }
  28         if ( op->o_ndn != NULL ) {
  29                 free( op->o_ndn );
  30         }
  31
  32         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
  33         ldap_pvt_thread_mutex_destroy( &op->o_abandonmutex );
  34         free( (char *) op );
  35 }
  36
  37 Operation *
  38 slap_op_alloc(
  39     BerElement          *ber,
  40     unsigned long       msgid,
  41     unsigned long       tag,
  42     int                         id,
  43     int                         connid
  44 )
  45 {
  46         Operation       *op;
  47
  48         op = (Operation *) ch_calloc( 1, sizeof(Operation) );
  49
  50         ldap_pvt_thread_mutex_init( &op->o_abandonmutex );
  51         op->o_ber = ber;
  52         op->o_msgid = msgid;
  53         op->o_tag = tag;
  54         op->o_abandon = 0;
  55
  56         op->o_dn = NULL;
  57         op->o_ndn = NULL;
  58
  59         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
  60         op->o_time = currenttime;
  61         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
  62         op->o_opid = id;
  63         op->o_connid = connid;
  64         op->o_next = NULL;
  65
  66         return( op );
  67 }
  68
  69 int slap_op_add(
  70     Operation           **olist,
  71         Operation               *op
  72 )
  73 {
  74         Operation       **tmp;
  75
  76         for ( tmp = olist; *tmp != NULL; tmp = &(*tmp)->o_next )
  77                 ;       /* NULL */
  78
  79         *tmp = op;
  80
  81         return 0;
  82 }
  83
  84 int
  85 slap_op_remove( Operation **olist, Operation *op )
  86 {
  87         Operation       **tmp;
  88
  89         for ( tmp = olist; *tmp != NULL && *tmp != op; tmp = &(*tmp)->o_next )
  90                 ;       /* NULL */
  91
  92         if ( *tmp == NULL ) {
  93                 Debug( LDAP_DEBUG_ANY, "op_delete: can't find op %ld\n",
  94                     op->o_msgid, 0, 0 );
  95                 return -1;
  96         }
  97
  98         *tmp = (*tmp)->o_next;
  99         op->o_next = NULL;
 100
 101         return 0;
 102 }
 103
 104 Operation * slap_op_pop( Operation **olist )
 105 {
 106         Operation *tmp = *olist;
 107
 108         if(tmp != NULL) {
 109                 *olist = tmp->o_next;
 110                 tmp->o_next = NULL;
 111         }
 112
 113         return tmp;
 114 }
 115