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|
/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#ifdef DBA_DB2
#include "php_db2.h"
#include <sys/stat.h>
#include <string.h>
#ifdef DB2_INCLUDE_FILE
#include DB2_INCLUDE_FILE
#endif
typedef struct {
DB *dbp;
DBC *cursor;
} dba_db2_data;
DBA_OPEN_FUNC(db2)
{
DB *dbp;
DBTYPE type;
int gmode = 0;
int filemode = info->file_permission;
struct stat check_stat;
int s = VCWD_STAT(ZSTR_VAL(info->path), &check_stat);
if (!s && !check_stat.st_size) {
info->mode = DBA_TRUNC; /* force truncate */
}
type = info->mode == DBA_READER ? DB_UNKNOWN :
info->mode == DBA_TRUNC ? DB_BTREE :
s ? DB_BTREE : DB_UNKNOWN;
gmode = info->mode == DBA_READER ? DB_RDONLY :
(info->mode == DBA_CREAT && s) ? DB_CREATE :
(info->mode == DBA_CREAT && !s) ? 0 :
info->mode == DBA_WRITER ? 0 :
info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1;
if (gmode == -1) {
return FAILURE;/* not possible */
}
if (db_open(ZSTR_VAL(info->path), type, gmode, filemode, NULL, NULL, &dbp)) {
return FAILURE;
}
info->dbf = pemalloc(sizeof(dba_db2_data), info->flags&DBA_PERSISTENT);
memset(info->dbf, 0, sizeof(dba_db2_data));
((dba_db2_data *) info->dbf)->dbp = dbp;
return SUCCESS;
}
DBA_CLOSE_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
if (dba->cursor)
dba->cursor->c_close(dba->cursor);
dba->dbp->close(dba->dbp, 0);
pefree(dba, info->flags&DBA_PERSISTENT);
}
DBA_FETCH_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
DBT gval = {0};
DBT gkey = {0};
gkey.data = ZSTR_VAL(key);
gkey.size = ZSTR_LEN(key);
if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
return NULL;
}
return zend_string_init(gval.data, gval.size, /* persistent */ false);
}
DBA_UPDATE_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
DBT gval = {0};
DBT gkey = {0};
gkey.data = ZSTR_VAL(key);
gkey.size = ZSTR_LEN(key);
gval.data = ZSTR_VAL(val);
gval.size = ZSTR_LEN(val);
if (dba->dbp->put(dba->dbp, NULL, &gkey, &gval,
mode == 1 ? DB_NOOVERWRITE : 0)) {
return FAILURE;
}
return SUCCESS;
}
DBA_EXISTS_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
DBT gval = {0};
DBT gkey = {0};
gkey.data = ZSTR_VAL(key);
gkey.size = ZSTR_LEN(key);
if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
return FAILURE;
}
return SUCCESS;
}
DBA_DELETE_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
DBT gkey = {0};
gkey.data = ZSTR_VAL(key);
gkey.size = ZSTR_LEN(key);
return dba->dbp->del(dba->dbp, NULL, &gkey, 0) ? FAILURE : SUCCESS;
}
DBA_FIRSTKEY_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
if (dba->cursor) {
dba->cursor->c_close(dba->cursor);
dba->cursor = NULL;
}
#if (DB_VERSION_MAJOR > 2) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR > 6) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 6 && DB_VERSION_PATCH >= 4)
if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor, 0)) {
#else
if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor)) {
#endif
return NULL;
}
return dba_nextkey_db2(info);
}
DBA_NEXTKEY_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
DBT gkey = {0}, gval = {0};
if (dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT)
|| !gkey.data) {
return NULL;
}
return zend_string_init(gkey.data, gkey.size, /* persistent */ false);
}
DBA_OPTIMIZE_FUNC(db2)
{
return SUCCESS;
}
DBA_SYNC_FUNC(db2)
{
dba_db2_data *dba = info->dbf;
return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS;
}
DBA_INFO_FUNC(db2)
{
return estrdup(DB_VERSION_STRING);
}
#endif
|
