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
  41         bi->bi_open = perl_back_open;
  42         bi->bi_config = 0;
  43         bi->bi_close = perl_back_close;
  44         bi->bi_destroy = perl_back_destroy;
  45
  46         bi->bi_db_init = perl_back_db_init;
  47         bi->bi_db_config = perl_back_db_config;
  48         bi->bi_db_open = perl_back_db_open;
  49         bi->bi_db_close = 0;
  50         bi->bi_db_destroy = perl_back_db_destroy;
  51
  52         bi->bi_op_bind = perl_back_bind;
  53         bi->bi_op_unbind = 0;
  54         bi->bi_op_search = perl_back_search;
  55         bi->bi_op_compare = perl_back_compare;
  56         bi->bi_op_modify = perl_back_modify;
  57         bi->bi_op_modrdn = perl_back_modrdn;
  58         bi->bi_op_add = perl_back_add;
  59         bi->bi_op_delete = perl_back_delete;
  60         bi->bi_op_abandon = 0;
  61
  62         bi->bi_extended = 0;
  63
  64         bi->bi_chk_referrals = 0;
  65
  66         bi->bi_connection_init = 0;
  67         bi->bi_connection_destroy = 0;
  68
  69         return 0;
  70 }
  71
  72 int
  73 perl_back_open(
  74         BackendInfo     *bi
  75 )
  76 {
  77         Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
  78
  79         if( PERL_INTERPRETER != NULL ) {
  80                 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
  81                         0, 0, 0 );
  82                 return 1;
  83         }
  84
  85         ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
  86
  87         PERL_INTERPRETER = perl_alloc();
  88         perl_construct(PERL_INTERPRETER);
  89         perl_parse(PERL_INTERPRETER, perl_back_xs_init, 3, embedding, (char **)NULL);
  90         perl_run(PERL_INTERPRETER);
  91         return 0;
  92 }
  93
  94 int
  95 perl_back_db_init(
  96         BackendDB       *be
  97 )
  98 {
  99         be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
 100         memset( be->be_private, '\0', sizeof(PerlBackend));
 101
 102         ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
 103
 104         Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
 105
 106         return 0;
 107 }
 108
 109 int
 110 perl_back_db_open(
 111         BackendDB       *be
 112 )
 113 {
 114         int count;
 115         int return_code;
 116
 117         PerlBackend *perl_back = (PerlBackend *) be->be_private;
 118
 119         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
 120
 121         {
 122                 dSP; ENTER; SAVETMPS;
 123
 124                 PUSHMARK(sp);
 125                 XPUSHs( perl_back->pb_obj_ref );
 126
 127                 PUTBACK;
 128
 129 #ifdef PERL_IS_5_6
 130                 count = call_method("init", G_SCALAR);
 131 #else
 132                 count = perl_call_method("init", G_SCALAR);
 133 #endif
 134
 135                 SPAGAIN;
 136
 137                 if (count != 1) {
 138                         croak("Big trouble in perl_back_db_open\n");
 139                 }
 140
 141                 return_code = POPi;
 142
 143                 PUTBACK; FREETMPS; LEAVE;
 144         }
 145
 146         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
 147
 148         return return_code;
 149 }
 150
 151
 152 static void
 153 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
 154 {
 155         char *file = __FILE__;
 156         dXSUB_SYS;
 157         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
 158 }
 159
 160 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
 161
 162 /* conditionally define the init_module() function */
 163 SLAP_BACKEND_INIT_MODULE( perl )
 164
 165 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
 166
 167