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 1999-2011 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 #include "../config.h"
  20
  21 static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
  22 EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
  23
  24 PerlInterpreter *PERL_INTERPRETER = NULL;
  25 ldap_pvt_thread_mutex_t perl_interpreter_mutex;
  26
  27
  28 /**********************************************************
  29  *
  30  * Init
  31  *
  32  **********************************************************/
  33
  34 int
  35 perl_back_initialize(
  36         BackendInfo     *bi
  37 )
  38 {
  39         char *embedding[] = { "", "-e", "0" };
  40         int argc = 3;
  41
  42         bi->bi_open = NULL;
  43         bi->bi_config = 0;
  44         bi->bi_close = perl_back_close;
  45         bi->bi_destroy = 0;
  46
  47         bi->bi_db_init = perl_back_db_init;
  48         bi->bi_db_config = perl_back_db_config;
  49         bi->bi_db_open = perl_back_db_open;
  50         bi->bi_db_close = 0;
  51         bi->bi_db_destroy = perl_back_db_destroy;
  52
  53         bi->bi_op_bind = perl_back_bind;
  54         bi->bi_op_unbind = 0;
  55         bi->bi_op_search = perl_back_search;
  56         bi->bi_op_compare = perl_back_compare;
  57         bi->bi_op_modify = perl_back_modify;
  58         bi->bi_op_modrdn = perl_back_modrdn;
  59         bi->bi_op_add = perl_back_add;
  60         bi->bi_op_delete = perl_back_delete;
  61         bi->bi_op_abandon = 0;
  62
  63         bi->bi_extended = 0;
  64
  65         bi->bi_chk_referrals = 0;
  66
  67         bi->bi_connection_init = 0;
  68         bi->bi_connection_destroy = 0;
  69
  70         /* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
  71         Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
  72
  73         if( PERL_INTERPRETER != NULL ) {
  74                 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
  75                         0, 0, 0 );
  76                 return 1;
  77         }
  78
  79         ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
  80
  81 #ifdef PERL_SYS_INIT3
  82         PERL_SYS_INIT3(&argc, &embedding, (char ***)NULL);
  83 #endif
  84         PERL_INTERPRETER = perl_alloc();
  85         perl_construct(PERL_INTERPRETER);
  86 #ifdef PERL_EXIT_DESTRUCT_END
  87         PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
  88 #endif
  89         perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, embedding, (char **)NULL);
  90         perl_run(PERL_INTERPRETER);
  91         return perl_back_init_cf( bi );
  92 }
  93
  94 int
  95 perl_back_db_init(
  96         BackendDB       *be,
  97         ConfigReply     *cr
  98 )
  99 {
 100         be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
 101         memset( be->be_private, '\0', sizeof(PerlBackend));
 102
 103         ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
 104
 105         Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
 106
 107         be->be_cf_ocs = be->bd_info->bi_cf_ocs;
 108
 109         return 0;
 110 }
 111
 112 int
 113 perl_back_db_open(
 114         BackendDB       *be,
 115         ConfigReply     *cr
 116 )
 117 {
 118         int count;
 119         int return_code;
 120
 121         PerlBackend *perl_back = (PerlBackend *) be->be_private;
 122
 123         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
 124
 125         {
 126                 dSP; ENTER; SAVETMPS;
 127
 128                 PUSHMARK(sp);
 129                 XPUSHs( perl_back->pb_obj_ref );
 130
 131                 PUTBACK;
 132
 133 #ifdef PERL_IS_5_6
 134                 count = call_method("init", G_SCALAR);
 135 #else
 136                 count = perl_call_method("init", G_SCALAR);
 137 #endif
 138
 139                 SPAGAIN;
 140
 141                 if (count != 1) {
 142                         croak("Big trouble in perl_back_db_open\n");
 143                 }
 144
 145                 return_code = POPi;
 146
 147                 PUTBACK; FREETMPS; LEAVE;
 148         }
 149
 150         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
 151
 152         return return_code;
 153 }
 154
 155
 156 static void
 157 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
 158 {
 159         char *file = __FILE__;
 160         dXSUB_SYS;
 161         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
 162 }
 163
 164 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
 165
 166 /* conditionally define the init_module() function */
 167 SLAP_BACKEND_INIT_MODULE( perl )
 168
 169 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
 170
 171