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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: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#ifdef DBA_FLATFILE
#include "php_flatfile.h"
#include "libflatfile/flatfile.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
DBA_OPEN_FUNC(flatfile)
{
info->dbf = pemalloc(sizeof(flatfile), info->flags&DBA_PERSISTENT);
memset(info->dbf, 0, sizeof(flatfile));
((flatfile*)info->dbf)->fp = info->fp;
return SUCCESS;
}
DBA_CLOSE_FUNC(flatfile)
{
flatfile *dba = info->dbf;
if (dba->nextkey.dptr) {
efree(dba->nextkey.dptr);
}
pefree(dba, info->flags&DBA_PERSISTENT);
}
DBA_FETCH_FUNC(flatfile)
{
flatfile *dba = info->dbf;
datum gval;
datum gkey;
zend_string *fetched_val = NULL;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = flatfile_fetch(dba, gkey);
if (gval.dptr) {
fetched_val = zend_string_init(gval.dptr, gval.dsize, /* persistent */ false);
efree(gval.dptr);
}
return fetched_val;
}
DBA_UPDATE_FUNC(flatfile)
{
flatfile *dba = info->dbf;
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval.dptr = ZSTR_VAL(val);
gval.dsize = ZSTR_LEN(val);
switch(flatfile_store(dba, gkey, gval, mode==1 ? FLATFILE_INSERT : FLATFILE_REPLACE)) {
case 0:
return SUCCESS;
case 1:
return FAILURE;
case -1:
// TODO Check when this happens and confirm this can even happen
php_error_docref(NULL, E_WARNING, "Operation not possible");
return FAILURE;
default:
// TODO Convert this to an assertion failure
php_error_docref(NULL, E_WARNING, "Unknown return value");
return FAILURE;
}
}
DBA_EXISTS_FUNC(flatfile)
{
flatfile *dba = info->dbf;
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = flatfile_fetch(dba, gkey);
if (gval.dptr) {
efree(gval.dptr);
return SUCCESS;
}
return FAILURE;
}
DBA_DELETE_FUNC(flatfile)
{
flatfile *dba = info->dbf;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
return(flatfile_delete(dba, gkey) == -1 ? FAILURE : SUCCESS);
}
DBA_FIRSTKEY_FUNC(flatfile)
{
flatfile *dba = info->dbf;
if (dba->nextkey.dptr) {
efree(dba->nextkey.dptr);
}
dba->nextkey = flatfile_firstkey(dba);
if (dba->nextkey.dptr) {
return zend_string_init(dba->nextkey.dptr, dba->nextkey.dsize, /* persistent */ false);
}
return NULL;
}
DBA_NEXTKEY_FUNC(flatfile)
{
flatfile *dba = info->dbf;
if (!dba->nextkey.dptr) {
return NULL;
}
if (dba->nextkey.dptr) {
efree(dba->nextkey.dptr);
}
dba->nextkey = flatfile_nextkey(dba);
if (dba->nextkey.dptr) {
return zend_string_init(dba->nextkey.dptr, dba->nextkey.dsize, /* persistent */ false);
}
return NULL;
}
DBA_OPTIMIZE_FUNC(flatfile)
{
/* dummy */
return SUCCESS;
}
DBA_SYNC_FUNC(flatfile)
{
/* dummy */
return SUCCESS;
}
DBA_INFO_FUNC(flatfile)
{
return estrdup(flatfile_version());
}
#endif
|
