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dis-bench / src /php /php-src /ext /dba /php_dba.h
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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> |
+----------------------------------------------------------------------+
*/
#ifndef PHP_DBA_H
#define PHP_DBA_H
#include "php_version.h"
#define PHP_DBA_VERSION PHP_VERSION
#ifdef HAVE_DBA
typedef enum {
/* do not allow 0 here */
DBA_READER = 1,
DBA_WRITER,
DBA_TRUNC,
DBA_CREAT
} dba_mode_t;
typedef struct dba_lock {
php_stream *fp;
int mode; /* LOCK_EX,LOCK_SH */
} dba_lock;
typedef struct dba_info {
/* public */
void *dbf; /* ptr to private data or whatever */
zend_string *path;
dba_mode_t mode;
php_stream *fp; /* this is the database stream for builtin handlers */
int fd;
int file_permission;
zend_long map_size;
/* -1 for default driver flags */
zend_long driver_flags;
/* private */
int flags; /* whether and how dba did locking and other flags*/
const struct dba_handler *hnd;
dba_lock lock;
} dba_info;
typedef struct dba_connection {
dba_info *info;
zend_string *hash;
zend_object std;
} dba_connection;
#define DBA_DEFAULT_DRIVER_FLAGS -1
#define DBA_LOCK_READER (0x0001)
#define DBA_LOCK_WRITER (0x0002)
#define DBA_LOCK_CREAT (0x0004)
#define DBA_LOCK_TRUNC (0x0008)
#define DBA_LOCK_EXT (0)
#define DBA_LOCK_ALL (DBA_LOCK_READER|DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC)
#define DBA_LOCK_WCT (DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC)
#define DBA_STREAM_OPEN (0x0010)
#define DBA_PERSISTENT (0x0020)
#define DBA_CAST_AS_FD (0x0050)
#define DBA_NO_APPEND (0x00D0)
extern zend_module_entry dba_module_entry;
#define dba_module_ptr &dba_module_entry
typedef struct dba_handler {
const char *name; /* handler name */
int flags; /* whether and how dba does locking and other flags*/
zend_result (*open)(dba_info *, const char **error);
void (*close)(dba_info *);
zend_string* (*fetch)(dba_info *, zend_string *, int);
zend_result (*update)(dba_info *, zend_string *, zend_string *, int);
zend_result (*exists)(dba_info *, zend_string *);
zend_result (*delete)(dba_info *, zend_string *);
zend_string* (*firstkey)(dba_info *);
zend_string* (*nextkey)(dba_info *);
zend_result (*optimize)(dba_info *);
zend_result (*sync)(dba_info *);
char* (*info)(const struct dba_handler *hnd, dba_info *);
/* dba_info==NULL: Handler info, dba_info!=NULL: Database info */
} dba_handler;
/* common prototypes which must be supplied by modules */
#define DBA_OPEN_FUNC(x) \
zend_result dba_open_##x(dba_info *info, const char **error)
#define DBA_CLOSE_FUNC(x) \
void dba_close_##x(dba_info *info)
#define DBA_FETCH_FUNC(x) \
zend_string *dba_fetch_##x(dba_info *info, zend_string *key, int skip)
#define DBA_UPDATE_FUNC(x) \
zend_result dba_update_##x(dba_info *info, zend_string *key, zend_string *val, int mode)
#define DBA_EXISTS_FUNC(x) \
zend_result dba_exists_##x(dba_info *info, zend_string *key)
#define DBA_DELETE_FUNC(x) \
zend_result dba_delete_##x(dba_info *info, zend_string *key)
#define DBA_FIRSTKEY_FUNC(x) \
zend_string *dba_firstkey_##x(dba_info *info)
#define DBA_NEXTKEY_FUNC(x) \
zend_string *dba_nextkey_##x(dba_info *info)
#define DBA_OPTIMIZE_FUNC(x) \
zend_result dba_optimize_##x(dba_info *info)
#define DBA_SYNC_FUNC(x) \
zend_result dba_sync_##x(dba_info *info)
#define DBA_INFO_FUNC(x) \
char *dba_info_##x(const dba_handler *hnd, dba_info *info)
#define DBA_FUNCS(x) \
DBA_OPEN_FUNC(x); \
DBA_CLOSE_FUNC(x); \
DBA_FETCH_FUNC(x); \
DBA_UPDATE_FUNC(x); \
DBA_DELETE_FUNC(x); \
DBA_EXISTS_FUNC(x); \
DBA_FIRSTKEY_FUNC(x); \
DBA_NEXTKEY_FUNC(x); \
DBA_OPTIMIZE_FUNC(x); \
DBA_SYNC_FUNC(x); \
DBA_INFO_FUNC(x)
#else
#define dba_module_ptr NULL
#endif
#define phpext_dba_ptr dba_module_ptr
#endif