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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: |
| http://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: Shen Cheng-Da <cdsheen@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if DBA_DB1
#include "php_db1.h"
#ifdef DB1_INCLUDE_FILE
#include DB1_INCLUDE_FILE
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define DB1_DATA dba_db1_data *dba = info->dbf
#define DB1_GKEY DBT gkey; gkey.data = (char *) key; gkey.size = keylen
typedef struct {
DB *dbp;
} dba_db1_data;
DBA_OPEN_FUNC(db1)
{
dba_db1_data *dba;
DB *db;
int gmode;
int filemode = 0644;
if (info->argc > 0) {
filemode = zval_get_long(&info->argv[0]);
}
gmode = 0;
switch (info->mode) {
case DBA_READER:
gmode = O_RDONLY;
break;
case DBA_WRITER:
gmode = O_RDWR;
break;
case DBA_CREAT:
gmode = O_RDWR | O_CREAT;
break;
case DBA_TRUNC:
gmode = O_RDWR | O_CREAT | O_TRUNC;
break;
default:
return FAILURE; /* not possible */
}
db = dbopen((char *)info->path, gmode, filemode, DB_HASH, NULL);
if (db == NULL) {
return FAILURE;
}
dba = pemalloc(sizeof(*dba), info->flags&DBA_PERSISTENT);
dba->dbp = db;
info->dbf = dba;
return SUCCESS;
}
DBA_CLOSE_FUNC(db1)
{
DB1_DATA;
dba->dbp->close(dba->dbp);
pefree(info->dbf, info->flags&DBA_PERSISTENT);
}
DBA_FETCH_FUNC(db1)
{
DBT gval;
DB1_DATA;
DB1_GKEY;
memset(&gval, 0, sizeof(gval));
if (dba->dbp->get(dba->dbp, &gkey, &gval, 0) == RET_SUCCESS) {
if (newlen) *newlen = gval.size;
return estrndup(gval.data, gval.size);
}
return NULL;
}
DBA_UPDATE_FUNC(db1)
{
DBT gval;
DB1_DATA;
DB1_GKEY;
gval.data = (char *) val;
gval.size = vallen;
return dba->dbp->put(dba->dbp, &gkey, &gval, mode == 1 ? R_NOOVERWRITE : 0) != RET_SUCCESS ? FAILURE : SUCCESS;
}
DBA_EXISTS_FUNC(db1)
{
DBT gval;
DB1_DATA;
DB1_GKEY;
return dba->dbp->get(dba->dbp, &gkey, &gval, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
}
DBA_DELETE_FUNC(db1)
{
DB1_DATA;
DB1_GKEY;
return dba->dbp->del(dba->dbp, &gkey, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
}
DBA_FIRSTKEY_FUNC(db1)
{
DBT gkey;
DBT gval;
DB1_DATA;
memset(&gkey, 0, sizeof(gkey));
memset(&gval, 0, sizeof(gval));
if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_FIRST) == RET_SUCCESS) {
if (newlen) *newlen = gkey.size;
return estrndup(gkey.data, gkey.size);
}
return NULL;
}
DBA_NEXTKEY_FUNC(db1)
{
DBT gkey;
DBT gval;
DB1_DATA;
memset(&gkey, 0, sizeof(gkey));
memset(&gval, 0, sizeof(gval));
if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_NEXT) == RET_SUCCESS) {
if (newlen) *newlen = gkey.size;
return estrndup(gkey.data, gkey.size);
}
return NULL;
}
DBA_OPTIMIZE_FUNC(db1)
{
/* dummy */
return SUCCESS;
}
DBA_SYNC_FUNC(db1)
{
return SUCCESS;
}
DBA_INFO_FUNC(db1)
{
return estrdup(DB1_VERSION);
}
#endif
|
