1/*
2  +----------------------------------------------------------------------+
3  | PHP Version 5                                                        |
4  +----------------------------------------------------------------------+
5  | Copyright (c) 1997-2013 The PHP Group                                |
6  +----------------------------------------------------------------------+
7  | This source file is subject to version 3.0 of the PHP license,       |
8  | that is bundled with this package in the file LICENSE, and is        |
9  | available through the world-wide-web at the following url:           |
10  | http://www.php.net/license/3_0.txt.                                  |
11  | If you did not receive a copy of the PHP license and are unable to   |
12  | obtain it through the world-wide-web, please send a note to          |
13  | license@php.net so we can mail you a copy immediately.               |
14  +----------------------------------------------------------------------+
15  | Author: Wez Furlong <wez@php.net>                                    |
16  +----------------------------------------------------------------------+
17*/
18
19/* $Id$ */
20
21#ifdef HAVE_CONFIG_H
22#include "config.h"
23#endif
24
25#include "php.h"
26#include "php_ini.h"
27#include "ext/standard/info.h"
28#include "pdo/php_pdo.h"
29#include "pdo/php_pdo_driver.h"
30#include "php_pdo_odbc.h"
31#include "php_pdo_odbc_int.h"
32
33/* {{{ pdo_odbc_functions[] */
34const zend_function_entry pdo_odbc_functions[] = {
35    PHP_FE_END
36};
37/* }}} */
38
39/* {{{ pdo_odbc_deps[] */
40#if ZEND_MODULE_API_NO >= 20050922
41static const zend_module_dep pdo_odbc_deps[] = {
42    ZEND_MOD_REQUIRED("pdo")
43    ZEND_MOD_END
44};
45#endif
46/* }}} */
47
48/* {{{ pdo_odbc_module_entry */
49zend_module_entry pdo_odbc_module_entry = {
50#if ZEND_MODULE_API_NO >= 20050922
51    STANDARD_MODULE_HEADER_EX, NULL,
52    pdo_odbc_deps,
53#else
54    STANDARD_MODULE_HEADER,
55#endif
56    "PDO_ODBC",
57    pdo_odbc_functions,
58    PHP_MINIT(pdo_odbc),
59    PHP_MSHUTDOWN(pdo_odbc),
60    NULL,
61    NULL,
62    PHP_MINFO(pdo_odbc),
63    "1.0.1",
64    STANDARD_MODULE_PROPERTIES
65};
66/* }}} */
67
68#ifdef COMPILE_DL_PDO_ODBC
69ZEND_GET_MODULE(pdo_odbc)
70#endif
71
72#ifdef SQL_ATTR_CONNECTION_POOLING
73SQLUINTEGER pdo_odbc_pool_on = SQL_CP_OFF;
74SQLUINTEGER pdo_odbc_pool_mode = SQL_CP_ONE_PER_HENV;
75#endif
76
77#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
78PHP_INI_BEGIN()
79    PHP_INI_ENTRY("pdo_odbc.db2_instance_name", NULL, PHP_INI_SYSTEM, NULL)
80PHP_INI_END()
81
82#endif
83
84/* {{{ PHP_MINIT_FUNCTION */
85PHP_MINIT_FUNCTION(pdo_odbc)
86{
87#ifdef SQL_ATTR_CONNECTION_POOLING
88    char *pooling_val = NULL;
89#endif
90
91    if (FAILURE == php_pdo_register_driver(&pdo_odbc_driver)) {
92        return FAILURE;
93    }
94
95#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
96    REGISTER_INI_ENTRIES();
97    {
98        char *instance = INI_STR("pdo_odbc.db2_instance_name");
99        if (instance) {
100            char *env = malloc(sizeof("DB2INSTANCE=") + strlen(instance));
101            if (!env) {
102                return FAILURE;
103            }
104            strcpy(env, "DB2INSTANCE=");
105            strcat(env, instance);
106            putenv(env);
107            /* after this point, we can't free env without breaking the environment */
108        }
109    }
110#endif
111
112#ifdef SQL_ATTR_CONNECTION_POOLING
113    /* ugh, we don't really like .ini stuff in PDO, but since ODBC connection
114     * pooling is process wide, we can't set it from within the scope of a
115     * request without affecting others, which goes against our isolated request
116     * policy.  So, we use cfg_get_string here to check it this once.
117     * */
118    if (FAILURE == cfg_get_string("pdo_odbc.connection_pooling", &pooling_val) || pooling_val == NULL) {
119        pooling_val = "strict";
120    }
121    if (strcasecmp(pooling_val, "strict") == 0 || strcmp(pooling_val, "1") == 0) {
122        pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
123        pdo_odbc_pool_mode = SQL_CP_STRICT_MATCH;
124    } else if (strcasecmp(pooling_val, "relaxed") == 0) {
125        pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
126        pdo_odbc_pool_mode = SQL_CP_RELAXED_MATCH;
127    } else if (*pooling_val == '\0' || strcasecmp(pooling_val, "off") == 0) {
128        pdo_odbc_pool_on = SQL_CP_OFF;
129    } else {
130        php_error_docref(NULL TSRMLS_CC, E_ERROR, "Error in pdo_odbc.connection_pooling configuration.  Value MUST be one of 'strict', 'relaxed' or 'off'");
131        return FAILURE;
132    }
133
134    if (pdo_odbc_pool_on != SQL_CP_OFF) {
135        SQLSetEnvAttr(SQL_NULL_HANDLE, SQL_ATTR_CONNECTION_POOLING, (void*)pdo_odbc_pool_on, 0);
136    }
137#endif
138
139    REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_USE_CURSOR_LIBRARY", PDO_ODBC_ATTR_USE_CURSOR_LIBRARY);
140    REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_ASSUME_UTF8", PDO_ODBC_ATTR_ASSUME_UTF8);
141    REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED);
142    REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_DRIVER", SQL_CUR_USE_DRIVER);
143    REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_ODBC", SQL_CUR_USE_ODBC);
144
145    return SUCCESS;
146}
147/* }}} */
148
149/* {{{ PHP_MSHUTDOWN_FUNCTION
150 */
151PHP_MSHUTDOWN_FUNCTION(pdo_odbc)
152{
153#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
154    UNREGISTER_INI_ENTRIES();
155#endif
156    php_pdo_unregister_driver(&pdo_odbc_driver);
157    return SUCCESS;
158}
159/* }}} */
160
161/* {{{ PHP_MINFO_FUNCTION
162 */
163PHP_MINFO_FUNCTION(pdo_odbc)
164{
165    php_info_print_table_start();
166    php_info_print_table_header(2, "PDO Driver for ODBC (" PDO_ODBC_TYPE ")" , "enabled");
167#ifdef SQL_ATTR_CONNECTION_POOLING
168    php_info_print_table_row(2, "ODBC Connection Pooling",  pdo_odbc_pool_on == SQL_CP_OFF ?
169            "Disabled" : (pdo_odbc_pool_mode == SQL_CP_STRICT_MATCH ? "Enabled, strict matching" : "Enabled, relaxed matching"));
170#else
171    php_info_print_table_row(2, "ODBC Connection Pooling", "Not supported in this build");
172#endif
173    php_info_print_table_end();
174
175#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
176    DISPLAY_INI_ENTRIES();
177#endif
178}
179/* }}} */
180
181/*
182 * Local variables:
183 * tab-width: 4
184 * c-basic-offset: 4
185 * End:
186 * vim600: noet sw=4 ts=4 fdm=marker
187 * vim<600: noet sw=4 ts=4
188 */
189