]> git.sur5r.net Git - openldap/blob - servers/slapd/back-perl/init.c
ITS#4358, thanks to Kevine Zerbib
[openldap] / servers / slapd / back-perl / init.c
1 /* $OpenLDAP$ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3  *
4  * Copyright 1999-2006 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         bi->bi_open = NULL;
41         bi->bi_config = 0;
42         bi->bi_close = perl_back_close;
43         bi->bi_destroy = 0;
44
45         bi->bi_db_init = perl_back_db_init;
46         bi->bi_db_config = perl_back_db_config;
47         bi->bi_db_open = perl_back_db_open;
48         bi->bi_db_close = 0;
49         bi->bi_db_destroy = perl_back_db_destroy;
50
51         bi->bi_op_bind = perl_back_bind;
52         bi->bi_op_unbind = 0;
53         bi->bi_op_search = perl_back_search;
54         bi->bi_op_compare = perl_back_compare;
55         bi->bi_op_modify = perl_back_modify;
56         bi->bi_op_modrdn = perl_back_modrdn;
57         bi->bi_op_add = perl_back_add;
58         bi->bi_op_delete = perl_back_delete;
59         bi->bi_op_abandon = 0;
60
61         bi->bi_extended = 0;
62
63         bi->bi_chk_referrals = 0;
64
65         bi->bi_connection_init = 0;
66         bi->bi_connection_destroy = 0;
67
68         /* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
69         Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
70
71         if( PERL_INTERPRETER != NULL ) {
72                 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
73                         0, 0, 0 );
74                 return 1;
75         }
76         
77         ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
78
79         PERL_INTERPRETER = perl_alloc();
80         perl_construct(PERL_INTERPRETER);
81         perl_parse(PERL_INTERPRETER, perl_back_xs_init, 3, embedding, (char **)NULL);
82         perl_run(PERL_INTERPRETER);
83         return 0;
84 }
85
86 int
87 perl_back_db_init(
88         BackendDB       *be
89 )
90 {
91         be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
92         memset( be->be_private, '\0', sizeof(PerlBackend));
93
94         ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
95
96         Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
97
98         return 0;
99 }
100
101 int
102 perl_back_db_open(
103         BackendDB       *be
104 )
105 {
106         int count;
107         int return_code;
108
109         PerlBackend *perl_back = (PerlBackend *) be->be_private;
110
111         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
112
113         {
114                 dSP; ENTER; SAVETMPS;
115
116                 PUSHMARK(sp);
117                 XPUSHs( perl_back->pb_obj_ref );
118
119                 PUTBACK;
120
121 #ifdef PERL_IS_5_6
122                 count = call_method("init", G_SCALAR);
123 #else
124                 count = perl_call_method("init", G_SCALAR);
125 #endif
126
127                 SPAGAIN;
128
129                 if (count != 1) {
130                         croak("Big trouble in perl_back_db_open\n");
131                 }
132
133                 return_code = POPi;
134
135                 PUTBACK; FREETMPS; LEAVE;
136         }
137
138         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
139
140         return return_code;
141 }
142
143
144 static void
145 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
146 {
147         char *file = __FILE__;
148         dXSUB_SYS;
149         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
150 }
151
152 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
153
154 /* conditionally define the init_module() function */
155 SLAP_BACKEND_INIT_MODULE( perl )
156
157 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
158
159