init.c revision 1.1 
1/* $OpenLDAP: pkg/ldap/servers/slapd/back-perl/init.c,v 1.44.2.4 2008/02/11 23:26:47 kurt Exp $ */
2/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2008 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
21static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
22EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
23
24PerlInterpreter *PERL_INTERPRETER = NULL;
25ldap_pvt_thread_mutex_t	perl_interpreter_mutex;
26
27
28/**********************************************************
29 *
30 * Init
31 *
32 **********************************************************/
33
34int
35perl_back_initialize(
36	BackendInfo	*bi
37)
38{
39	char *embedding[] = { "", "-e", "0" };
40
41	bi->bi_open = NULL;
42	bi->bi_config = 0;
43	bi->bi_close = perl_back_close;
44	bi->bi_destroy = 0;
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	/* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
70	Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
71
72	if( PERL_INTERPRETER != NULL ) {
73		Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
74			0, 0, 0 );
75		return 1;
76	}
77
78	ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
79
80	PERL_INTERPRETER = perl_alloc();
81	perl_construct(PERL_INTERPRETER);
82	perl_parse(PERL_INTERPRETER, perl_back_xs_init, 3, embedding, (char **)NULL);
83	perl_run(PERL_INTERPRETER);
84	return 0;
85}
86
87int
88perl_back_db_init(
89	BackendDB	*be,
90	ConfigReply	*cr
91)
92{
93	be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
94	memset( be->be_private, '\0', sizeof(PerlBackend));
95
96	((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
97
98	Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
99
100	return 0;
101}
102
103int
104perl_back_db_open(
105	BackendDB	*be,
106	ConfigReply	*cr
107)
108{
109	int count;
110	int return_code;
111
112	PerlBackend *perl_back = (PerlBackend *) be->be_private;
113
114	ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
115
116	{
117		dSP; ENTER; SAVETMPS;
118
119		PUSHMARK(sp);
120		XPUSHs( perl_back->pb_obj_ref );
121
122		PUTBACK;
123
124#ifdef PERL_IS_5_6
125		count = call_method("init", G_SCALAR);
126#else
127		count = perl_call_method("init", G_SCALAR);
128#endif
129
130		SPAGAIN;
131
132		if (count != 1) {
133			croak("Big trouble in perl_back_db_open\n");
134		}
135
136		return_code = POPi;
137
138		PUTBACK; FREETMPS; LEAVE;
139	}
140
141	ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
142
143	return return_code;
144}
145
146
147static void
148perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
149{
150	char *file = __FILE__;
151	dXSUB_SYS;
152	newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
153}
154
155#if SLAPD_PERL == SLAPD_MOD_DYNAMIC
156
157/* conditionally define the init_module() function */
158SLAP_BACKEND_INIT_MODULE( perl )
159
160#endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
161
162
163