forked from Mirrors/freeswitch
3b35430557
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3734 d0543943-73ff-0310-b7d9-9358b9ac24b2
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* applicable.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef APR_DBM_PRIVATE_H
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#define APR_DBM_PRIVATE_H
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#include "apr.h"
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#include "apr_errno.h"
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#include "apr_pools.h"
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#include "apr_dbm.h"
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#include "apr_file_io.h"
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#include "apu.h"
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/* ### for now, include the DBM selection; this will go away once we start
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### building and linking all of the DBMs at once. */
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#include "apu_select_dbm.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @internal */
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/**
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* Most DBM libraries take a POSIX mode for creating files. Don't trust
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* the mode_t type, some platforms may not support it, int is safe.
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*/
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APU_DECLARE(int) apr_posix_perms2mode(apr_fileperms_t perm);
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/**
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* Structure to describe the operations of the DBM
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*/
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typedef struct {
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/** The name of the DBM Type */
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const char *name;
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/** Open the DBM */
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apr_status_t (*open)(apr_dbm_t **pdb, const char *pathname,
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apr_int32_t mode, apr_fileperms_t perm,
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apr_pool_t *pool);
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/** Close the DBM */
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void (*close)(apr_dbm_t *dbm);
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/** Fetch a dbm record value by key */
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apr_status_t (*fetch)(apr_dbm_t *dbm, apr_datum_t key,
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apr_datum_t * pvalue);
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/** Store a dbm record value by key */
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apr_status_t (*store)(apr_dbm_t *dbm, apr_datum_t key, apr_datum_t value);
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/** Delete a dbm record value by key */
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apr_status_t (*del)(apr_dbm_t *dbm, apr_datum_t key);
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/** Search for a key within the dbm */
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int (*exists)(apr_dbm_t *dbm, apr_datum_t key);
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/** Retrieve the first record key from a dbm */
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apr_status_t (*firstkey)(apr_dbm_t *dbm, apr_datum_t * pkey);
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/** Retrieve the next record key from a dbm */
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apr_status_t (*nextkey)(apr_dbm_t *dbm, apr_datum_t * pkey);
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/** Proactively toss any memory associated with the apr_datum_t. */
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void (*freedatum)(apr_dbm_t *dbm, apr_datum_t data);
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/** Get the names that the DBM will use for a given pathname. */
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void (*getusednames)(apr_pool_t *pool,
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const char *pathname,
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const char **used1,
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const char **used2);
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} apr_dbm_type_t;
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/**
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* The actual DBM
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*/
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struct apr_dbm_t
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{
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/** Associated pool */
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apr_pool_t *pool;
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/** pointer to DB Implementation Specific data */
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void *file;
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/** Current integer error code */
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int errcode;
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/** Current string error code */
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const char *errmsg;
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/** the type of DBM */
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const apr_dbm_type_t *type;
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};
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/* Declare all of the builtin DBM providers */
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_sdbm;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_gdbm;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_ndbm;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_db1;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_db2;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_db3;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_db4;
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APU_DECLARE_DATA extern const apr_dbm_type_t apr_dbm_type_db;
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#ifdef __cplusplus
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}
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#endif
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#endif /* APR_DBM_PRIVATE_H */
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