xref: /netbsd-src/external/bsd/openldap/dist/servers/slapd/back-perl/init.c (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
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 
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 
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 
87 int
88 perl_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 
103 int
104 perl_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 
147 static void
148 perl_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 */
158 SLAP_BACKEND_INIT_MODULE( perl )
159 
160 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
161 
162 
163