php-src/ext/odbc/birdstep.c
2002-04-08 22:54:06 +00:00

716 lines
18 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| 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. |
+----------------------------------------------------------------------+
| Authors: Nikolay P. Romanyuk <mag@redcom.ru> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/*
* TODO:
* birdstep_fetch_into(),
* Check all on real life apps.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if WIN32
# include "config.w32.h"
# include "win95nt.h"
# ifdef PHP_EXPORTS
# define PHPAPI __declspec(dllexport)
# else
# define PHPAPI __declspec(dllimport)
# endif
#else
# include "php_config.h"
# define PHPAPI
# define THREAD_LS
#endif
#ifdef HAVE_BIRDSTEP
#include "php_birdstep.h"
#include "ext/standard/info.h"
function_entry birdstep_functions[] = {
PHP_FE(birdstep_connect, NULL)
PHP_FE(birdstep_close, NULL)
PHP_FE(birdstep_exec, NULL)
PHP_FE(birdstep_fetch, NULL)
PHP_FE(birdstep_result, NULL)
PHP_FE(birdstep_freeresult, NULL)
PHP_FE(birdstep_autocommit, NULL)
PHP_FE(birdstep_off_autocommit, NULL)
PHP_FE(birdstep_commit, NULL)
PHP_FE(birdstep_rollback, NULL)
PHP_FE(birdstep_fieldnum, NULL)
PHP_FE(birdstep_fieldname, NULL)
/*
* Temporary Function aliases until the next major upgrade to PHP.
* These should allow users to continue to use their current scripts,
* but should in reality warn the user that this functionality is
* deprecated.
*/
PHP_FALIAS(velocis_connect, birdstep_connect, NULL)
PHP_FALIAS(velocis_close, birdstep_close, NULL)
PHP_FALIAS(velocis_exec, birdstep_exec, NULL)
PHP_FALIAS(velocis_fetch, birdstep_fetch, NULL)
PHP_FALIAS(velocis_result, birdstep_result, NULL)
PHP_FALIAS(velocis_freeresult, birdstep_freeresult, NULL)
PHP_FALIAS(velocis_autocommit, birdstep_autocommit, NULL)
PHP_FALIAS(velocis_off_autocommit, birdstep_off_autocommit, NULL)
PHP_FALIAS(velocis_commit, birdstep_commit, NULL)
PHP_FALIAS(velocis_rollback, birdstep_rollback, NULL)
PHP_FALIAS(velocis_fieldnum, birdstep_fieldnum, NULL)
PHP_FALIAS(velocis_fieldname, birdstep_fieldname, NULL)
/* End temporary aliases */
{NULL, NULL, NULL}
};
zend_module_entry birdstep_module_entry = {
STANDARD_MODULE_HEADER,
"birdstep",
birdstep_functions,
PHP_MINIT(birdstep),
PHP_MSHUTDOWN(birdstep),
PHP_RINIT(birdstep),
NULL,
PHP_MINFO(birdstep),
NO_VERSION_YET,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_ODBC
ZEND_GET_MODULE(birdstep)
#endif
THREAD_LS birdstep_module php_birdstep_module;
THREAD_LS static HENV henv;
static void _close_birdstep_link(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
VConn *conn = (VConn *)rsrc->ptr;
if ( conn ) {
efree(conn);
}
}
static void _free_birdstep_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
Vresult *res = (Vresult *)rsrc->ptr;
if ( res && res->values ) {
register int i;
for ( i=0; i < res->numcols; i++ ) {
if ( res->values[i].value )
efree(res->values[i].value);
}
efree(res->values);
}
if ( res ) {
efree(res);
}
}
PHP_MINIT_FUNCTION(birdstep)
{
SQLAllocEnv(&henv);
if ( cfg_get_long("birdstep.max_links",&php_birdstep_module.max_links) == FAILURE ) {
php_birdstep_module.max_links = -1;
}
php_birdstep_module.num_links = 0;
php_birdstep_module.le_link = zend_register_list_destructors_ex(_close_birdstep_link, NULL, "birdstep link", module_number);
php_birdstep_module.le_result = zend_register_list_destructors_ex(_free_birdstep_result, NULL, "birdstep result", module_number);
return SUCCESS;
}
PHP_RINIT_FUNCTION(birdstep)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(birdstep)
{
php_info_print_table_start();
php_info_print_table_row(2, "RAIMA Birdstep Support", "enabled" );
php_info_print_table_end();
}
PHP_MSHUTDOWN_FUNCTION(birdstep)
{
SQLFreeEnv(henv);
return SUCCESS;
}
/* Some internal functions. Connections and result manupulate */
static int birdstep_add_conn(HashTable *list,VConn *conn,HDBC hdbc)
{
int ind;
ind = zend_list_insert(conn,php_birdstep_module.le_link);
conn->hdbc = hdbc;
conn->index = ind;
return(ind);
}
static VConn * birdstep_find_conn(HashTable *list,int ind)
{
VConn *conn;
int type;
conn = zend_list_find(ind,&type);
if ( !conn || type != php_birdstep_module.le_link ) {
return(NULL);
}
return(conn);
}
static void birdstep_del_conn(HashTable *list,int ind)
{
zend_list_delete(ind);
}
static int birdstep_add_result(HashTable *list,Vresult *res,VConn *conn)
{
int ind;
ind = zend_list_insert(res,php_birdstep_module.le_result);
res->conn = conn;
res->index = ind;
return(ind);
}
static Vresult * birdstep_find_result(HashTable *list,int ind)
{
Vresult *res;
int type;
res = zend_list_find(ind,&type);
if ( !res || type != php_birdstep_module.le_result ) {
return(NULL);
}
return(res);
}
static void birdstep_del_result(HashTable *list,int ind)
{
zend_list_delete(ind);
}
/* Users functions */
/* {{{ proto int birdstep_connect(string server, string user, sting pass)
*/
PHP_FUNCTION(birdstep_connect)
{
pval *serv,*user,*pass;
char *Serv = NULL;
char *User = NULL;
char *Pass = NULL;
RETCODE stat;
HDBC hdbc;
VConn *new;
long ind;
if ( php_birdstep_module.max_links != -1 && php_birdstep_module.num_links == php_birdstep_module.max_links ) {
php_error(E_WARNING,"Birdstep: Too many open connections (%d)",php_birdstep_module.num_links);
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() != 3 || getParameters(ht,3,&serv,&user,&pass) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_string(serv);
convert_to_string(user);
convert_to_string(pass);
Serv = Z_STRVAL_P(serv);
User = Z_STRVAL_P(user);
Pass = Z_STRVAL_P(pass);
stat = SQLAllocConnect(henv,&hdbc);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Birdstep: Could not allocate connection handle");
RETURN_FALSE;
}
stat = SQLConnect(hdbc,Serv,SQL_NTS,User,SQL_NTS,Pass,SQL_NTS);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: Could not connect to server \"%s\" for %s",Serv,User);
SQLFreeConnect(hdbc);
RETURN_FALSE;
}
new = (VConn *)emalloc(sizeof(VConn));
if ( new == NULL ) {
php_error(E_WARNING,"Birdstep: Out of memory for store connection");
SQLFreeConnect(hdbc);
RETURN_FALSE;
}
ind = birdstep_add_conn(list,new,hdbc);
php_birdstep_module.num_links++;
RETURN_LONG(ind);
}
/* }}} */
/* {{{ proto bool birdstep_close(int id)
*/
PHP_FUNCTION(birdstep_close)
{
pval *id;
VConn *conn;
if (ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&id) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = birdstep_find_conn(list,Z_LVAL_P(id));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(id));
RETURN_FALSE;
}
SQLDisconnect(conn->hdbc);
SQLFreeConnect(conn->hdbc);
birdstep_del_conn(list,Z_LVAL_P(id));
php_birdstep_module.num_links--;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int birdstep_exec(int index, string exec_str)
*/
PHP_FUNCTION(birdstep_exec)
{
pval *ind,*exec_str;
char *query = NULL;
int indx;
VConn *conn;
Vresult *res;
RETCODE stat;
SWORD cols,i,colnamelen;
SDWORD rows,coldesc;
if (ZEND_NUM_ARGS() != 2 || getParameters(ht,2,&ind,&exec_str) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
conn = birdstep_find_conn(list,Z_LVAL_P(ind));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(ind));
RETURN_FALSE;
}
convert_to_string(exec_str);
query = Z_STRVAL_P(exec_str);
res = (Vresult *)emalloc(sizeof(Vresult));
if ( res == NULL ) {
php_error(E_WARNING,"Birdstep: Out of memory for result");
RETURN_FALSE;
}
stat = SQLAllocStmt(conn->hdbc,&res->hstmt);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: SQLAllocStmt return %d",stat);
efree(res);
RETURN_FALSE;
}
stat = SQLExecDirect(res->hstmt,query,SQL_NTS);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: Can not execute \"%s\" query",query);
SQLFreeStmt(res->hstmt,SQL_DROP);
efree(res);
RETURN_FALSE;
}
/* Success query */
stat = SQLNumResultCols(res->hstmt,&cols);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Birdstep: SQLNumResultCols return %d",stat);
SQLFreeStmt(res->hstmt,SQL_DROP);
efree(res);
RETURN_FALSE;
}
if ( !cols ) { /* Was INSERT, UPDATE, DELETE, etc. query */
stat = SQLRowCount(res->hstmt,&rows);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Birdstep: SQLNumResultCols return %d",stat);
SQLFreeStmt(res->hstmt,SQL_DROP);
efree(res);
RETURN_FALSE;
}
SQLFreeStmt(res->hstmt,SQL_DROP);
efree(res);
RETURN_LONG(rows);
} else { /* Was SELECT query */
res->values = (VResVal *)emalloc(sizeof(VResVal)*cols);
if ( res->values == NULL ) {
php_error(E_WARNING,"Birdstep: Out of memory for result columns");
SQLFreeStmt(res->hstmt,SQL_DROP);
efree(res);
RETURN_FALSE;
}
res->numcols = cols;
for ( i = 0; i < cols; i++ ) {
SQLColAttributes(res->hstmt,i+1,SQL_COLUMN_NAME,
res->values[i].name,sizeof(res->values[i].name),
&colnamelen,NULL);
SQLColAttributes(res->hstmt,i+1,SQL_COLUMN_TYPE,
NULL,0,NULL,&res->values[i].valtype);
switch ( res->values[i].valtype ) {
case SQL_LONGVARBINARY:
case SQL_LONGVARCHAR:
res->values[i].value = NULL;
continue;
default:
break;
}
SQLColAttributes(res->hstmt,i+1,SQL_COLUMN_DISPLAY_SIZE,
NULL,0,NULL,&coldesc);
res->values[i].value = (char *)emalloc(coldesc+1);
if ( res->values[i].value != NULL ) {
SQLBindCol(res->hstmt,i+1,SQL_C_CHAR,
res->values[i].value,coldesc+1,
&res->values[i].vallen);
}
}
}
res->fetched = 0;
indx = birdstep_add_result(list,res,conn);
RETURN_LONG(indx);
}
/* }}} */
/* {{{ proto bool birdstep_fetch(int index)
*/
PHP_FUNCTION(birdstep_fetch)
{
pval *ind;
Vresult *res;
RETCODE stat;
UDWORD row;
UWORD RowStat[1];
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = birdstep_find_result(list,Z_LVAL_P(ind));
if ( !res ) {
php_error(E_WARNING,"Birdstep: Not result index (%d)",Z_LVAL_P(ind));
RETURN_FALSE;
}
stat = SQLExtendedFetch(res->hstmt,SQL_FETCH_NEXT,1,&row,RowStat);
if ( stat == SQL_NO_DATA_FOUND ) {
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: SQLFetch return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
res->fetched = 1;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto mixed birdstep_result(int index, int col)
*/
PHP_FUNCTION(birdstep_result)
{
pval *ind,*col;
Vresult *res;
RETCODE stat;
int i,sql_c_type;
UDWORD row;
UWORD RowStat[1];
SWORD indx = -1;
char *field = NULL;
if ( ZEND_NUM_ARGS() != 2 || getParameters(ht,2,&ind,&col) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = birdstep_find_result(list,Z_LVAL_P(ind));
if ( !res ) {
php_error(E_WARNING,"Birdstep: Not result index (%d),Z_LVAL_P(ind)");
RETURN_FALSE;
}
if ( Z_TYPE_P(col) == IS_STRING ) {
field = Z_STRVAL_P(col);
} else {
convert_to_long(col);
indx = Z_LVAL_P(col);
}
if ( field ) {
for ( i = 0; i < res->numcols; i++ ) {
if ( !strcasecmp(res->values[i].name,field)) {
indx = i;
break;
}
}
if ( indx < 0 ) {
php_error(E_WARNING, "Field %s not found",field);
RETURN_FALSE;
}
} else {
if ( indx < 0 || indx >= res->numcols ) {
php_error(E_WARNING,"Birdstep: Field index not in range");
RETURN_FALSE;
}
}
if ( !res->fetched ) {
stat = SQLExtendedFetch(res->hstmt,SQL_FETCH_NEXT,1,&row,RowStat);
if ( stat == SQL_NO_DATA_FOUND ) {
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: SQLFetch return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
res->fetched = 1;
}
switch ( res->values[indx].valtype ) {
case SQL_LONGVARBINARY:
sql_c_type = SQL_C_BINARY;
goto l1;
case SQL_LONGVARCHAR:
sql_c_type = SQL_C_CHAR;
l1:
if ( !res->values[indx].value ) {
res->values[indx].value = emalloc(4096);
if ( !res->values[indx].value ) {
php_error(E_WARNING,"Out of memory");
RETURN_FALSE;
}
}
stat = SQLGetData(res->hstmt,indx+1,sql_c_type,
res->values[indx].value,4095,&res->values[indx].vallen);
if ( stat == SQL_NO_DATA_FOUND ) {
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: SQLGetData return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_FALSE;
}
if ( res->values[indx].valtype == SQL_LONGVARCHAR ) {
RETURN_STRING(res->values[indx].value,TRUE);
} else {
RETURN_LONG((long)res->values[indx].value);
}
default:
if ( res->values[indx].value != NULL ) {
RETURN_STRING(res->values[indx].value,TRUE);
}
}
}
/* }}} */
/* {{{ proto bool birdstep_freeresult(int index)
*/
PHP_FUNCTION(birdstep_freeresult)
{
pval *ind;
Vresult *res;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = birdstep_find_result(list,Z_LVAL_P(ind));
if ( !res ) {
php_error(E_WARNING,"Birdstep: Not result index (%d)",Z_LVAL_P(ind));
RETURN_FALSE;
}
SQLFreeStmt(res->hstmt,SQL_DROP);
birdstep_del_result(list,Z_LVAL_P(ind));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool birdstep_autocommit(int index)
*/
PHP_FUNCTION(birdstep_autocommit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = birdstep_find_conn(list,Z_LVAL_P(id));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(id));
RETURN_FALSE;
}
stat = SQLSetConnectOption(conn->hdbc,SQL_AUTOCOMMIT,SQL_AUTOCOMMIT_ON);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: Set autocommit_on option failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool birdstep_off_autocommit(int index)
*/
PHP_FUNCTION(birdstep_off_autocommit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = birdstep_find_conn(list,Z_LVAL_P(id));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(id));
RETURN_FALSE;
}
stat = SQLSetConnectOption(conn->hdbc,SQL_AUTOCOMMIT,SQL_AUTOCOMMIT_OFF);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Birdstep: Set autocommit_off option failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool birdstep_commit(int index)
*/
PHP_FUNCTION(birdstep_commit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = birdstep_find_conn(list,Z_LVAL_P(id));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(id));
RETURN_FALSE;
}
stat = SQLTransact(NULL,conn->hdbc,SQL_COMMIT);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Birdstep: Commit failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool birdstep_rollback(int index)
*/
PHP_FUNCTION(birdstep_rollback)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = birdstep_find_conn(list,Z_LVAL_P(id));
if ( !conn ) {
php_error(E_WARNING,"Birdstep: Not connection index (%d)",Z_LVAL_P(id));
RETURN_FALSE;
}
stat = SQLTransact(NULL,conn->hdbc,SQL_ROLLBACK);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Birdstep: Rollback failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string birdstep_fieldname(int index, int col)
*/
PHP_FUNCTION(birdstep_fieldname)
{
pval *ind,*col;
Vresult *res;
SWORD indx;
if ( ZEND_NUM_ARGS() != 2 || getParameters(ht,2,&ind,&col) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = birdstep_find_result(list,Z_LVAL_P(ind));
if ( !res ) {
php_error(E_WARNING,"Birdstep: Not result index (%d),Z_LVAL_P(ind)");
RETURN_FALSE;
}
convert_to_long(col);
indx = Z_LVAL_P(col);
if ( indx < 0 || indx >= res->numcols ) {
php_error(E_WARNING,"Birdstep: Field index not in range");
RETURN_FALSE;
}
RETURN_STRING(res->values[indx].name,TRUE);
}
/* }}} */
/* {{{ proto int birdstep_fieldnum(int index)
*/
PHP_FUNCTION(birdstep_fieldnum)
{
pval *ind;
Vresult *res;
if ( ZEND_NUM_ARGS() != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = birdstep_find_result(list,Z_LVAL_P(ind));
if ( !res ) {
php_error(E_WARNING,"Birdstep: Not result index (%d),Z_LVAL_P(ind)");
RETURN_FALSE;
}
RETURN_LONG(res->numcols);
}
/* }}} */
#endif /* HAVE_BIRDSTEP */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/