init.c revision 1.1.1.2
1/*	$NetBSD: init.c,v 1.1.1.2 2010/03/08 02:14:20 lukem Exp $	*/
2
3/* OpenLDAP: pkg/ldap/servers/slapd/back-perl/init.c,v 1.44.2.6 2009/06/27 18:02:10 quanah Exp */
4/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2009 The OpenLDAP Foundation.
7 * Portions Copyright 1999 John C. Quillan.
8 * Portions Copyright 2002 myinternet Limited.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19
20#include "perl_back.h"
21#include "../config.h"
22
23static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
24EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
25
26PerlInterpreter *PERL_INTERPRETER = NULL;
27ldap_pvt_thread_mutex_t	perl_interpreter_mutex;
28
29
30/**********************************************************
31 *
32 * Init
33 *
34 **********************************************************/
35
36int
37perl_back_initialize(
38	BackendInfo	*bi
39)
40{
41	char *embedding[] = { "", "-e", "0" };
42	int argc = 3;
43
44	bi->bi_open = NULL;
45	bi->bi_config = 0;
46	bi->bi_close = perl_back_close;
47	bi->bi_destroy = 0;
48
49	bi->bi_db_init = perl_back_db_init;
50	bi->bi_db_config = perl_back_db_config;
51	bi->bi_db_open = perl_back_db_open;
52	bi->bi_db_close = 0;
53	bi->bi_db_destroy = perl_back_db_destroy;
54
55	bi->bi_op_bind = perl_back_bind;
56	bi->bi_op_unbind = 0;
57	bi->bi_op_search = perl_back_search;
58	bi->bi_op_compare = perl_back_compare;
59	bi->bi_op_modify = perl_back_modify;
60	bi->bi_op_modrdn = perl_back_modrdn;
61	bi->bi_op_add = perl_back_add;
62	bi->bi_op_delete = perl_back_delete;
63	bi->bi_op_abandon = 0;
64
65	bi->bi_extended = 0;
66
67	bi->bi_chk_referrals = 0;
68
69	bi->bi_connection_init = 0;
70	bi->bi_connection_destroy = 0;
71
72	/* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
73	Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
74
75	if( PERL_INTERPRETER != NULL ) {
76		Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
77			0, 0, 0 );
78		return 1;
79	}
80
81	ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
82
83#ifdef PERL_SYS_INIT3
84	PERL_SYS_INIT3(&argc, &embedding, (char **)NULL);
85#endif
86	PERL_INTERPRETER = perl_alloc();
87	perl_construct(PERL_INTERPRETER);
88#ifdef PERL_EXIT_DESTRUCT_END
89	PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
90#endif
91	perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, embedding, (char **)NULL);
92	perl_run(PERL_INTERPRETER);
93	return 0;
94}
95
96int
97perl_back_db_init(
98	BackendDB	*be,
99	ConfigReply	*cr
100)
101{
102	be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
103	memset( be->be_private, '\0', sizeof(PerlBackend));
104
105	((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
106
107	Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
108
109	return 0;
110}
111
112int
113perl_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
156static void
157perl_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 */
167SLAP_BACKEND_INIT_MODULE( perl )
168
169#endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
170
171
172