root/ext/pdo_odbc/pdo_odbc.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. PHP_INI_BEGIN
  2. PHP_MSHUTDOWN_FUNCTION
  3. PHP_MINFO_FUNCTION

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2013 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.0 of the PHP license,       |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_0.txt.                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: Wez Furlong <wez@php.net>                                    |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_odbc.h"
#include "php_pdo_odbc_int.h"

/* {{{ pdo_odbc_functions[] */
const zend_function_entry pdo_odbc_functions[] = {
        PHP_FE_END
};
/* }}} */

/* {{{ pdo_odbc_deps[] */
#if ZEND_MODULE_API_NO >= 20050922
static const zend_module_dep pdo_odbc_deps[] = {
        ZEND_MOD_REQUIRED("pdo")
        ZEND_MOD_END
};
#endif
/* }}} */

/* {{{ pdo_odbc_module_entry */
zend_module_entry pdo_odbc_module_entry = {
#if ZEND_MODULE_API_NO >= 20050922
        STANDARD_MODULE_HEADER_EX, NULL,
        pdo_odbc_deps,
#else
        STANDARD_MODULE_HEADER,
#endif
        "PDO_ODBC",
        pdo_odbc_functions,
        PHP_MINIT(pdo_odbc),
        PHP_MSHUTDOWN(pdo_odbc),
        NULL,
        NULL,
        PHP_MINFO(pdo_odbc),
        "1.0.1",
        STANDARD_MODULE_PROPERTIES
};
/* }}} */

#ifdef COMPILE_DL_PDO_ODBC
ZEND_GET_MODULE(pdo_odbc)
#endif

#ifdef SQL_ATTR_CONNECTION_POOLING
SQLUINTEGER pdo_odbc_pool_on = SQL_CP_OFF;
SQLUINTEGER pdo_odbc_pool_mode = SQL_CP_ONE_PER_HENV;
#endif

#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
PHP_INI_BEGIN()
        PHP_INI_ENTRY("pdo_odbc.db2_instance_name", NULL, PHP_INI_SYSTEM, NULL)
PHP_INI_END()

#endif

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(pdo_odbc)
{
#ifdef SQL_ATTR_CONNECTION_POOLING
        char *pooling_val = NULL;
#endif

        if (FAILURE == php_pdo_register_driver(&pdo_odbc_driver)) {
                return FAILURE;
        }

#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
        REGISTER_INI_ENTRIES();
        {
                char *instance = INI_STR("pdo_odbc.db2_instance_name");
                if (instance) {
                        char *env = malloc(sizeof("DB2INSTANCE=") + strlen(instance));
                        if (!env) {
                                return FAILURE;
                        }
                        strcpy(env, "DB2INSTANCE=");
                        strcat(env, instance);
                        putenv(env);
                        /* after this point, we can't free env without breaking the environment */
                }
        }
#endif

#ifdef SQL_ATTR_CONNECTION_POOLING
        /* ugh, we don't really like .ini stuff in PDO, but since ODBC connection
         * pooling is process wide, we can't set it from within the scope of a
         * request without affecting others, which goes against our isolated request
         * policy.  So, we use cfg_get_string here to check it this once.
         * */
        if (FAILURE == cfg_get_string("pdo_odbc.connection_pooling", &pooling_val) || pooling_val == NULL) {
                pooling_val = "strict";
        }
        if (strcasecmp(pooling_val, "strict") == 0 || strcmp(pooling_val, "1") == 0) {
                pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
                pdo_odbc_pool_mode = SQL_CP_STRICT_MATCH;
        } else if (strcasecmp(pooling_val, "relaxed") == 0) {
                pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
                pdo_odbc_pool_mode = SQL_CP_RELAXED_MATCH;
        } else if (*pooling_val == '\0' || strcasecmp(pooling_val, "off") == 0) {
                pdo_odbc_pool_on = SQL_CP_OFF;
        } else {
                php_error_docref(NULL TSRMLS_CC, E_ERROR, "Error in pdo_odbc.connection_pooling configuration.  Value MUST be one of 'strict', 'relaxed' or 'off'");
                return FAILURE;
        }

        if (pdo_odbc_pool_on != SQL_CP_OFF) {
                SQLSetEnvAttr(SQL_NULL_HANDLE, SQL_ATTR_CONNECTION_POOLING, (void*)pdo_odbc_pool_on, 0);
        }
#endif

        REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_USE_CURSOR_LIBRARY", PDO_ODBC_ATTR_USE_CURSOR_LIBRARY);
        REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_ASSUME_UTF8", PDO_ODBC_ATTR_ASSUME_UTF8);
        REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED);
        REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_DRIVER", SQL_CUR_USE_DRIVER);
        REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_ODBC", SQL_CUR_USE_ODBC);
        
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION
 */
PHP_MSHUTDOWN_FUNCTION(pdo_odbc)
{
#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
        UNREGISTER_INI_ENTRIES();
#endif
        php_pdo_unregister_driver(&pdo_odbc_driver);
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MINFO_FUNCTION
 */
PHP_MINFO_FUNCTION(pdo_odbc)
{
        php_info_print_table_start();
        php_info_print_table_header(2, "PDO Driver for ODBC (" PDO_ODBC_TYPE ")" , "enabled");
#ifdef SQL_ATTR_CONNECTION_POOLING
        php_info_print_table_row(2, "ODBC Connection Pooling",  pdo_odbc_pool_on == SQL_CP_OFF ?
                        "Disabled" : (pdo_odbc_pool_mode == SQL_CP_STRICT_MATCH ? "Enabled, strict matching" : "Enabled, relaxed matching"));
#else
        php_info_print_table_row(2, "ODBC Connection Pooling", "Not supported in this build");
#endif
        php_info_print_table_end();

#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
        DISPLAY_INI_ENTRIES();
#endif
}
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */

/* [<][>][^][v][top][bottom][index][help] */