php-src/ext/odbc/velocis.c
1999-12-17 19:51:39 +00:00

649 lines
16 KiB
C

/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 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_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. |
+----------------------------------------------------------------------+
| Authors: Nikolay P. Romanyuk <mag@redcom.ru> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/*
* TODO:
* velocis_fetch_into(),
* Check all on real life apps.
*/
#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_VELOCIS
#include "php_velocis.h"
function_entry velocis_functions[] = {
PHP_FE(velocis_connect, NULL)
PHP_FE(velocis_close, NULL)
PHP_FE(velocis_exec, NULL)
PHP_FE(velocis_fetch, NULL)
PHP_FE(velocis_result, NULL)
PHP_FE(velocis_freeresult, NULL)
PHP_FE(velocis_autocommit, NULL)
PHP_FE(velocis_off_autocommit, NULL)
PHP_FE(velocis_commit, NULL)
PHP_FE(velocis_rollback, NULL)
PHP_FE(velocis_fieldnum, NULL)
PHP_FE(velocis_fieldname, NULL)
{NULL, NULL, NULL}
};
php3_module_entry velocis_module_entry = {
"Velocis", velocis_functions, PHP_MINIT(velocis), PHP_MSHUTDOWN(velocis),
PHP_RINIT(velocis), NULL, PHP_MINFO(velocis), STANDARD_MODULE_PROPERTIES
};
#if COMPILE_DL
php3_module_entry *get_module() { return &velocis_module_entry; }
#endif
THREAD_LS velocis_module php3_velocis_module;
THREAD_LS static HENV henv;
static void _close_velocis_link(VConn *conn)
{
if ( conn ) {
efree(conn);
}
}
static void _free_velocis_result(Vresult *res)
{
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(velocis)
{
SQLAllocEnv(&henv);
if ( cfg_get_long("velocis.max_links",&php3_velocis_module.max_links) == FAILURE ) {
php3_velocis_module.max_links = -1;
}
php3_velocis_module.num_links = 0;
php3_velocis_module.le_link = register_list_destructors(_close_velocis_link,NULL);
php3_velocis_module.le_result = register_list_destructors(_free_velocis_result,NULL);
return SUCCESS;
}
PHP_RINIT_FUNCTION(velocis)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(velocis)
{
php_printf("RAIMA Velocis Support Active");
}
PHP_MSHUTDOWN_FUNCTION(velocis)
{
SQLFreeEnv(henv);
return SUCCESS;
}
/* Some internal functions. Connections and result manupulate */
static int
velocis_add_conn(HashTable *list,VConn *conn,HDBC hdbc)
{
int ind;
ind = zend_list_insert(conn,php3_velocis_module.le_link);
conn->hdbc = hdbc;
conn->index = ind;
return(ind);
}
static VConn *
velocis_find_conn(HashTable *list,int ind)
{
VConn *conn;
int type;
conn = zend_list_find(ind,&type);
if ( !conn || type != php3_velocis_module.le_link ) {
return(NULL);
}
return(conn);
}
static void
velocis_del_conn(HashTable *list,int ind)
{
zend_list_delete(ind);
}
static int
velocis_add_result(HashTable *list,Vresult *res,VConn *conn)
{
int ind;
ind = zend_list_insert(res,php3_velocis_module.le_result);
res->conn = conn;
res->index = ind;
return(ind);
}
static Vresult *
velocis_find_result(HashTable *list,int ind)
{
Vresult *res;
int type;
res = zend_list_find(ind,&type);
if ( !res || type != php3_velocis_module.le_result ) {
return(NULL);
}
return(res);
}
static void
velocis_del_result(HashTable *list,int ind)
{
zend_list_delete(ind);
}
/* Users functions */
PHP_FUNCTION(velocis_connect)
{
pval *serv,*user,*pass;
char *Serv = NULL;
char *User = NULL;
char *Pass = NULL;
RETCODE stat;
HDBC hdbc;
VConn *new;
long ind;
if ( php3_velocis_module.max_links != -1 && php3_velocis_module.num_links == php3_velocis_module.max_links ) {
php_error(E_WARNING,"Velocis: Too many open connections (%d)",php3_velocis_module.num_links);
RETURN_FALSE;
}
if ( ARG_COUNT(ht) != 3 ||
getParameters(ht,3,&serv,&user,&pass) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_string(serv);
convert_to_string(user);
convert_to_string(pass);
Serv = serv->value.str.val;
User = user->value.str.val;
Pass = pass->value.str.val;
stat = SQLAllocConnect(henv,&hdbc);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Velocis: 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,"Velocis: 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,"Velocis: Out of memory for store connection");
SQLFreeConnect(hdbc);
RETURN_FALSE;
}
ind = velocis_add_conn(list,new,hdbc);
php3_velocis_module.num_links++;
RETURN_LONG(ind);
}
PHP_FUNCTION(velocis_close)
{
pval *id;
VConn *conn;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = velocis_find_conn(list,id->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",id->value.lval);
RETURN_FALSE;
}
SQLDisconnect(conn->hdbc);
SQLFreeConnect(conn->hdbc);
velocis_del_conn(list,id->value.lval);
php3_velocis_module.num_links--;
RETURN_TRUE;
}
PHP_FUNCTION(velocis_exec)
{
pval *ind,*exec_str;
char *query = NULL;
int indx;
VConn *conn;
Vresult *res;
RETCODE stat;
SWORD cols,i,colnamelen;
SDWORD rows,coldesc;
if ( ARG_COUNT(ht) != 2 || getParameters(ht,2,&ind,&exec_str) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
conn = velocis_find_conn(list,ind->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",ind->value.lval);
RETURN_FALSE;
}
convert_to_string(exec_str);
query = exec_str->value.str.val;
res = (Vresult *)emalloc(sizeof(Vresult));
if ( res == NULL ) {
php_error(E_WARNING,"Velocis: 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,"Velocis: 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,"Velocis: 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,"Velocis: 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,"Velocis: 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,"Velocis: 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 = velocis_add_result(list,res,conn);
RETURN_LONG(indx);
}
PHP_FUNCTION(velocis_fetch)
{
pval *ind;
Vresult *res;
RETCODE stat;
UDWORD row;
UWORD RowStat[1];
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = velocis_find_result(list,ind->value.lval);
if ( !res ) {
php_error(E_WARNING,"Velocis: Not result index (%d)",ind->value.lval);
RETURN_FALSE;
}
stat = SQLExtendedFetch(res->hstmt,SQL_FETCH_NEXT,1,&row,RowStat);
if ( stat == SQL_NO_DATA_FOUND ) {
SQLFreeStmt(res->hstmt,SQL_DROP);
velocis_del_result(list,ind->value.lval);
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Velocis: SQLFetch return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
velocis_del_result(list,ind->value.lval);
RETURN_FALSE;
}
res->fetched = 1;
RETURN_TRUE;
}
PHP_FUNCTION(velocis_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 ( ARG_COUNT(ht) != 2 || getParameters(ht,2,&ind,&col) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = velocis_find_result(list,ind->value.lval);
if ( !res ) {
php_error(E_WARNING,"Velocis: Not result index (%d),ind->value.lval");
RETURN_FALSE;
}
if ( col->type == IS_STRING ) {
field = col->value.str.val;
} else {
convert_to_long(col);
indx = col->value.lval;
}
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,"Velocis: 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);
velocis_del_result(list,ind->value.lval);
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Velocis: SQLFetch return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
velocis_del_result(list,ind->value.lval);
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);
velocis_del_result(list,ind->value.lval);
RETURN_FALSE;
}
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Velocis: SQLGetData return error");
SQLFreeStmt(res->hstmt,SQL_DROP);
velocis_del_result(list,ind->value.lval);
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);
}
}
}
PHP_FUNCTION(velocis_freeresult)
{
pval *ind;
Vresult *res;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = velocis_find_result(list,ind->value.lval);
if ( !res ) {
php_error(E_WARNING,"Velocis: Not result index (%d)",ind->value.lval);
RETURN_FALSE;
}
SQLFreeStmt(res->hstmt,SQL_DROP);
velocis_del_result(list,ind->value.lval);
RETURN_TRUE;
}
PHP_FUNCTION(velocis_autocommit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = velocis_find_conn(list,id->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",id->value.lval);
RETURN_FALSE;
}
stat = SQLSetConnectOption(conn->hdbc,SQL_AUTOCOMMIT,SQL_AUTOCOMMIT_ON);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Velocis: Set autocommit_on option failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
PHP_FUNCTION(velocis_off_autocommit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = velocis_find_conn(list,id->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",id->value.lval);
RETURN_FALSE;
}
stat = SQLSetConnectOption(conn->hdbc,SQL_AUTOCOMMIT,SQL_AUTOCOMMIT_OFF);
if ( stat != SQL_SUCCESS && stat != SQL_SUCCESS_WITH_INFO ) {
php_error(E_WARNING,"Velocis: Set autocommit_off option failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
PHP_FUNCTION(velocis_commit)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = velocis_find_conn(list,id->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",id->value.lval);
RETURN_FALSE;
}
stat = SQLTransact(NULL,conn->hdbc,SQL_COMMIT);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Velocis: Commit failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
PHP_FUNCTION(velocis_rollback)
{
pval *id;
RETCODE stat;
VConn *conn;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&id) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(id);
conn = velocis_find_conn(list,id->value.lval);
if ( !conn ) {
php_error(E_WARNING,"Velocis: Not connection index (%d)",id->value.lval);
RETURN_FALSE;
}
stat = SQLTransact(NULL,conn->hdbc,SQL_ROLLBACK);
if ( stat != SQL_SUCCESS ) {
php_error(E_WARNING,"Velocis: Rollback failure");
RETURN_FALSE;
}
RETURN_TRUE;
}
PHP_FUNCTION(velocis_fieldname)
{
pval *ind,*col;
Vresult *res;
SWORD indx;
if ( ARG_COUNT(ht) != 2 || getParameters(ht,2,&ind,&col) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = velocis_find_result(list,ind->value.lval);
if ( !res ) {
php_error(E_WARNING,"Velocis: Not result index (%d),ind->value.lval");
RETURN_FALSE;
}
convert_to_long(col);
indx = col->value.lval;
if ( indx < 0 || indx >= res->numcols ) {
php_error(E_WARNING,"Velocis: Field index not in range");
RETURN_FALSE;
}
RETURN_STRING(res->values[indx].name,TRUE);
}
PHP_FUNCTION(velocis_fieldnum)
{
pval *ind;
Vresult *res;
if ( ARG_COUNT(ht) != 1 || getParameters(ht,1,&ind) == FAILURE ) {
WRONG_PARAM_COUNT;
}
convert_to_long(ind);
res = velocis_find_result(list,ind->value.lval);
if ( !res ) {
php_error(E_WARNING,"Velocis: Not result index (%d),ind->value.lval");
RETURN_FALSE;
}
RETURN_LONG(res->numcols);
}
#endif /* HAVE_VELOCIS */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/