root/ext/pdo_dblib/pdo_dblib.c

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DEFINITIONS

This source file includes following definitions.
  1. ZEND_GET_MODULE
  2. msg_handler
  3. PHP_GINIT_FUNCTION
  4. PHP_RSHUTDOWN_FUNCTION
  5. PHP_MINIT_FUNCTION
  6. PHP_MSHUTDOWN_FUNCTION
  7. PHP_MINFO_FUNCTION

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2008 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 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_01.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>                                    |
  |         Frank M. Kromann <frank@kromann.info>                        |
  +----------------------------------------------------------------------+
*/

/* $Id: pdo_dblib.c,v 1.9.2.6.2.4 2007/12/31 07:20:09 sebastian Exp $ */

#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_dblib.h"
#include "php_pdo_dblib_int.h"
#include "zend_exceptions.h"

ZEND_DECLARE_MODULE_GLOBALS(dblib)
static PHP_GINIT_FUNCTION(dblib);

zend_function_entry pdo_dblib_functions[] = {
        {NULL, NULL, NULL}
};

#if ZEND_MODULE_API_NO >= 20050922
static zend_module_dep pdo_dblib_deps[] = {
        ZEND_MOD_REQUIRED("pdo")
        {NULL, NULL, NULL}
};
#endif

zend_module_entry pdo_dblib_module_entry = {
#if ZEND_MODULE_API_NO >= 20050922
        STANDARD_MODULE_HEADER_EX, NULL,
        pdo_dblib_deps,
#else
        STANDARD_MODULE_HEADER,
#endif
#if PDO_DBLIB_IS_MSSQL
        "pdo_mssql",
#elif defined(PHP_WIN32)
        "pdo_sybase",
#else
        "pdo_dblib",
#endif
        pdo_dblib_functions,
        PHP_MINIT(pdo_dblib),
        PHP_MSHUTDOWN(pdo_dblib),
        NULL,
        PHP_RSHUTDOWN(pdo_dblib),
        PHP_MINFO(pdo_dblib),
        "1.0.1",
        PHP_MODULE_GLOBALS(dblib),
        PHP_GINIT(dblib),
        NULL,
        NULL,
        STANDARD_MODULE_PROPERTIES_EX
};

#if defined(COMPILE_DL_PDO_DBLIB) || defined(COMPILE_DL_PDO_MSSQL)
ZEND_GET_MODULE(pdo_dblib)
#endif

int error_handler(DBPROCESS *dbproc, int severity, int dberr,
        int oserr, char *dberrstr, char *oserrstr)
{
        pdo_dblib_err *einfo;
        char *state = "HY000";
        TSRMLS_FETCH();

        einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
        if (!einfo) einfo = &DBLIB_G(err);

        einfo->severity = severity;
        einfo->oserr = oserr;
        einfo->dberr = dberr;
        if (einfo->oserrstr) {
                efree(einfo->oserrstr);
        }
        if (einfo->dberrstr) {
                efree(einfo->dberrstr);
        }
        if (oserrstr) {
                einfo->oserrstr = estrdup(oserrstr);
        } else {
                einfo->oserrstr = NULL;
        }
        if (dberrstr) {
                einfo->dberrstr = estrdup(dberrstr);
        } else {
                einfo->dberrstr = NULL;
        }

        switch (dberr) {
                case SYBESEOF:
                case SYBEFCON:  state = "01002"; break;
                case SYBEMEM:   state = "HY001"; break;
                case SYBEPWD:   state = "28000"; break;
        }
        strcpy(einfo->sqlstate, state);

#if 0
        php_error_docref(NULL TSRMLS_CC, E_WARNING,
                "dblib error: %d %s (severity %d)",
                dberr, dberrstr, severity);     
#endif

        return INT_CANCEL;
}

int msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
        int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line)
{
        pdo_dblib_err *einfo;
        TSRMLS_FETCH();

        if (severity) {
                einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
                if (!einfo) {
                        einfo = &DBLIB_G(err);
                }

                if (einfo->lastmsg) {
                        efree(einfo->lastmsg);
                }

                einfo->lastmsg = estrdup(msgtext);
        }

#if 0
        php_error_docref(NULL TSRMLS_CC, E_WARNING, "dblib message: %s (severity %d)", msgtext, severity);
#endif

        return 0;
}

static PHP_GINIT_FUNCTION(dblib)
{
        memset(dblib_globals, 0, sizeof(*dblib_globals));
        dblib_globals->err.sqlstate = dblib_globals->sqlstate;
}

PHP_RSHUTDOWN_FUNCTION(pdo_dblib)
{
        if (DBLIB_G(err).oserrstr) {
                efree(DBLIB_G(err).oserrstr);
                DBLIB_G(err).oserrstr = NULL;
        }
        if (DBLIB_G(err).dberrstr) {
                efree(DBLIB_G(err).dberrstr);
                DBLIB_G(err).dberrstr = NULL;
        }
        if (DBLIB_G(err).lastmsg) {
                efree(DBLIB_G(err).lastmsg);
                DBLIB_G(err).lastmsg = NULL;
        }
        return SUCCESS;
}

PHP_MINIT_FUNCTION(pdo_dblib)
{
        if (FAIL == dbinit()) {
                return FAILURE;
        }
        
        if (FAILURE == php_pdo_register_driver(&pdo_dblib_driver)) {
                return FAILURE;
        }
        
        /* TODO: 
        
        dbsetifile()
        dbsetmaxprocs()
        dbsetlogintime()
        dbsettime()
        
         */

#if !PHP_DBLIB_IS_MSSQL
        dberrhandle(error_handler);
        dbmsghandle(msg_handler);
#endif

        return SUCCESS;
}

PHP_MSHUTDOWN_FUNCTION(pdo_dblib)
{
        php_pdo_unregister_driver(&pdo_dblib_driver);
        dbexit();
        return SUCCESS;
}

PHP_MINFO_FUNCTION(pdo_dblib)
{
        php_info_print_table_start();
        php_info_print_table_header(2, "PDO Driver for "
#if PDO_DBLIB_IS_MSSQL
                "MSSQL"
#elif defined(PHP_WIN32)
                "FreeTDS/Sybase/MSSQL"
#else
                "FreeTDS/Sybase"
#endif
                " DB-lib", "enabled");
        php_info_print_table_row(2, "Flavour", PDO_DBLIB_FLAVOUR);
        php_info_print_table_end();
}


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