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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| dbx module version 1.0 |
+----------------------------------------------------------------------+
| Copyright (c) 2001 Guidance Rotterdam BV |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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 : Marc Boeren <marc@guidance.nl> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "dbx.h"
#include "dbx_oci8.h"
#define OCI_ASSOC 1<<0
#define OCI_NUM 1<<1
#define OCI_RETURN_NULLS 1<<2
#define OCI_RETURN_LOBS 1<<3
int dbx_oci8_connect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns connection handle as resource on success or 0 as long on failure */
int number_of_arguments=3;
zval **arguments[3];
zval *returned_zval=NULL;
arguments[0]=username;
arguments[1]=password;
arguments[2]=db;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCILogon", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_pconnect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns connection handle as resource on success or 0 as long on failure */
int number_of_arguments=3;
zval **arguments[3];
zval *returned_zval=NULL;
arguments[0]=username;
arguments[1]=password;
arguments[2]=db;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIPLogon", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_close(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns 1 as long on success or 0 as long on failure */
/* actually, ocilogoff officially does nothing, so what should I return? */
/* I will just return NULL right now and change the test accordingly */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
arguments[0]=dbx_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCILogOff", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_BOOL) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_query(zval **rv, zval **dbx_handle, zval **db_name, zval **sql_statement, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns 1 as long or a result identifier as resource on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *returned_zval=NULL;
zval *execute_zval=NULL;
zval *statementtype_zval=NULL;
arguments[0]=dbx_handle;
arguments[1]=sql_statement;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIParse", &returned_zval, number_of_arguments, arguments);
/* OCIParse returns a bool for failure, or a statement_identifier for valid sql_statements */
if (!returned_zval || (Z_TYPE_P(returned_zval)!=IS_BOOL && Z_TYPE_P(returned_zval)!=IS_RESOURCE)) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
number_of_arguments=1;
arguments[0]=&returned_zval;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIExecute", &execute_zval, number_of_arguments, arguments);
/* OCIExecute returns a bool for success or failure */
if (!execute_zval || Z_TYPE_P(execute_zval)!=IS_BOOL || Z_BVAL_P(execute_zval)==0) {
if (execute_zval) zval_ptr_dtor(&execute_zval);
zval_ptr_dtor(&returned_zval);
return 0;
}
number_of_arguments=1;
arguments[0]=&returned_zval;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIStatementType", &statementtype_zval, number_of_arguments, arguments);
/* OCIStatementType returns a string. 'SELECT' means there are results */
if (!statementtype_zval || Z_TYPE_P(statementtype_zval)!=IS_STRING) {
if (statementtype_zval) zval_ptr_dtor(&statementtype_zval);
if (execute_zval) zval_ptr_dtor(&execute_zval);
zval_ptr_dtor(&returned_zval);
return 0;
}
if (!zend_binary_strcmp(Z_STRVAL_P(statementtype_zval), Z_STRLEN_P(statementtype_zval), "SELECT", sizeof("SELECT")-sizeof(""))) {
/* it is a select, so results are returned */
MOVE_RETURNED_TO_RV(rv, returned_zval);
} else {
/* it is not a select, so just return success */
zval_ptr_dtor(&returned_zval);
MAKE_STD_ZVAL(returned_zval);
ZVAL_BOOL(returned_zval, 1);
MOVE_RETURNED_TO_RV(rv, returned_zval);
}
if (statementtype_zval) zval_ptr_dtor(&statementtype_zval);
if (execute_zval) zval_ptr_dtor(&execute_zval);
return 1;
}
int dbx_oci8_getcolumncount(zval **rv, zval **result_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-count as long on success or 0 as long on failure */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
arguments[0]=result_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCINumCols", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_LONG) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_getcolumnname(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-name as string on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *zval_column_index;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(zval_column_index);
/* dbx uses 0-based column-indices, oci8 uses 1-based indices... */
ZVAL_LONG(zval_column_index, column_index+1);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIColumnName", &returned_zval, number_of_arguments, arguments);
/* OCIColumnName returns a string */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
FREE_ZVAL(zval_column_index);
return 0;
}
FREE_ZVAL(zval_column_index);
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_getcolumntype(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-type as string on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *zval_column_index;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(zval_column_index);
/* dbx uses 0-based column-indices, oci8 uses 1-based indices... */
ZVAL_LONG(zval_column_index, column_index+1);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIColumnType", &returned_zval, number_of_arguments, arguments);
/* OCIColumnType returns a string??? */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
FREE_ZVAL(zval_column_index);
return 0;
}
FREE_ZVAL(zval_column_index);
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_oci8_getrow(zval **rv, zval **result_handle, long row_number, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns array[0..columncount-1] as strings on success or 0 as long on failure */
int number_of_arguments=3;
zval **arguments[3];
zval *zval_resulttype=NULL;
zval *zval_returned_array=NULL;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(zval_returned_array); /* no value needed, it will be overwritten anyway */
ZVAL_EMPTY_STRING(zval_returned_array); /* there seems to be some weird mem-bug, so assigning a value anyway */
MAKE_STD_ZVAL(zval_resulttype);
ZVAL_LONG(zval_resulttype, OCI_NUM | OCI_RETURN_NULLS | OCI_RETURN_LOBS); /* no ASSOC, dbx handles that part */
arguments[0]=result_handle;
arguments[1]=&zval_returned_array;
arguments[2]=&zval_resulttype;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIFetchInto", &returned_zval, number_of_arguments, arguments);
/* OCIFetchInto returns the number of columns as an integer on success and FALSE */
/* on failure. The actual array is passed back in arg[1] */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_LONG || Z_LVAL_P(returned_zval)==0) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
FREE_ZVAL(zval_resulttype);
FREE_ZVAL(zval_returned_array);
return 0;
}
FREE_ZVAL(zval_resulttype);
zval_ptr_dtor(&returned_zval);
MOVE_RETURNED_TO_RV(rv, zval_returned_array);
return 1;
}
int dbx_oci8_error(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns string */
/* OCIError needs a statement handle most of the times, and I can only provide */
/* a db-handle which is only needed some of the time. For now, I have disabled */
/* the dbx_error for the oci8 extension */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
zval *returned_message_zval=NULL;
arguments[0]=dbx_handle;
if (!dbx_handle) number_of_arguments=0;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "OCIError", &returned_zval, number_of_arguments, arguments);
/* OCIError should returns an assoc array containing code & message, dbx needs the message */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_ARRAY) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
/* get the messagestring here */
if (zend_hash_find(Z_ARRVAL_P(returned_zval), "message", strlen("message")+1, (void **) &returned_message_zval)==FAILURE) {
/* oops! no msg? */
zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_message_zval);
zval_ptr_dtor(&returned_zval);
return 1;
}
int dbx_oci8_esc(zval **rv, zval **dbx_handle, zval **string, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns escaped string */
/* replace ' with '' */
char * str;
int len;
char * tmpstr;
int tmplen;
if (Z_STRLEN_PP(string) == 0) {
ZVAL_EMPTY_STRING(*rv);
return 1;
}
tmpstr = estrdup(Z_STRVAL_PP(string));
tmplen = Z_STRLEN_PP(string);
/* php_str_to_str uses a smart_str that allocates memory */
/* this memory must be freed or passed on to rv */
str = php_str_to_str(tmpstr, tmplen, "'", 1, "''", 2, &len);
efree(tmpstr);
ZVAL_STRINGL(*rv, str, len, 0);
return 1;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
