git.sur5r.net Git - openldap/blob - servers/slapd/back-perl/init.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2005 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 John C. Quillan.
   6  * Portions Copyright 2002 myinternet Limited.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17
  18 #include "perl_back.h"
  19
  20 static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
  21 EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
  22
  23 PerlInterpreter *PERL_INTERPRETER = NULL;
  24 ldap_pvt_thread_mutex_t perl_interpreter_mutex;
  25
  26
  27 /**********************************************************
  28  *
  29  * Init
  30  *
  31  **********************************************************/
  32
  33 int
  34 perl_back_initialize(
  35         BackendInfo     *bi
  36 )
  37 {
  38         char *embedding[] = { "", "-e", "0" };
  39
  40         Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
  41
  42         if( PERL_INTERPRETER != NULL ) {
  43                 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
  44                         0, 0, 0 );
  45                 return 1;
  46         }
  47
  48         PERL_INTERPRETER = perl_alloc();
  49         perl_construct(PERL_INTERPRETER);
  50         perl_parse(PERL_INTERPRETER, perl_back_xs_init, 3, embedding, (char **)NULL);
  51         perl_run(PERL_INTERPRETER);
  52
  53         bi->bi_open = perl_back_open;
  54         bi->bi_config = 0;
  55         bi->bi_close = perl_back_close;
  56         bi->bi_destroy = perl_back_destroy;
  57
  58         bi->bi_db_init = perl_back_db_init;
  59         bi->bi_db_config = perl_back_db_config;
  60         bi->bi_db_open = perl_back_db_open;
  61         bi->bi_db_close = 0;
  62         bi->bi_db_destroy = perl_back_db_destroy;
  63
  64         bi->bi_op_bind = perl_back_bind;
  65         bi->bi_op_unbind = 0;
  66         bi->bi_op_search = perl_back_search;
  67         bi->bi_op_compare = perl_back_compare;
  68         bi->bi_op_modify = perl_back_modify;
  69         bi->bi_op_modrdn = perl_back_modrdn;
  70         bi->bi_op_add = perl_back_add;
  71         bi->bi_op_delete = perl_back_delete;
  72         bi->bi_op_abandon = 0;
  73
  74         bi->bi_extended = 0;
  75
  76         bi->bi_chk_referrals = 0;
  77
  78         bi->bi_connection_init = 0;
  79         bi->bi_connection_destroy = 0;
  80
  81         return 0;
  82 }
  83
  84 int
  85 perl_back_open(
  86         BackendInfo     *bi
  87 )
  88 {
  89         ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
  90         return 0;
  91 }
  92
  93 int
  94 perl_back_db_init(
  95         BackendDB       *be
  96 )
  97 {
  98         be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
  99         memset( be->be_private, '\0', sizeof(PerlBackend));
 100
 101         ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
 102
 103         Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
 104
 105         return 0;
 106 }
 107
 108 int
 109 perl_back_db_open(
 110         BackendDB       *be
 111 )
 112 {
 113         int count;
 114         int return_code;
 115
 116         PerlBackend *perl_back = (PerlBackend *) be->be_private;
 117
 118         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
 119
 120         {
 121                 dSP; ENTER; SAVETMPS;
 122
 123                 PUSHMARK(sp);
 124                 XPUSHs( perl_back->pb_obj_ref );
 125
 126                 PUTBACK;
 127
 128 #ifdef PERL_IS_5_6
 129                 count = call_method("init", G_SCALAR);
 130 #else
 131                 count = perl_call_method("init", G_SCALAR);
 132 #endif
 133
 134                 SPAGAIN;
 135
 136                 if (count != 1) {
 137                         croak("Big trouble in perl_back_db_open\n");
 138                 }
 139
 140                 return_code = POPi;
 141
 142                 PUTBACK; FREETMPS; LEAVE;
 143         }
 144
 145         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
 146
 147         return return_code;
 148 }
 149
 150
 151 static void
 152 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
 153 {
 154         char *file = __FILE__;
 155         dXSUB_SYS;
 156         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
 157 }
 158
 159 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
 160
 161 /* conditionally define the init_module() function */
 162 SLAP_BACKEND_INIT_MODULE( perl )
 163
 164 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
 165
 166