/*

* arcus-memcached - Arcus memory cache server

* Copyright 2018 JaM2in Co., Ltd.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

#ifndef MC_UTIL_H

#define MC_UTIL_H

#include <memcached/extension.h>

/*

* token buffer structure

*/

typedef struct _token_buff {

} token_buff_t;

/*

* memory block structure

*/

typedef struct _mblck_node {

struct _mblck_node *next;

char data[1];

} mblck_node_t;

typedef struct _mblck_list {

} mblck_list_t;

typedef struct _mblck_pool {

} mblck_pool_t;

/*

* memory block macros

*/

#define MBLCK_GET_HEADBLK(l) ((l)->head)

#define MBLCK_GET_TAILBLK(l) ((l)->tail)

#define MBLCK_GET_NUMBLKS(l) ((l)->blck_cnt)

#define MBLCK_GET_BODYLEN(l) ((l)->body_len)

#define MBLCK_GET_ITEMCNT(l) ((l)->item_cnt)

#define MBLCK_GET_ITEMLEN(l) ((l)->item_len)

#define MBLCK_GET_NEXTBLK(b) ((b)->next)

#define MBLCK_GET_BODYPTR(b) ((b)->data)

/* memory block functions */

int mblck_pool_create(mblck_pool_t *pool, uint32_t blck_len, uint32_t blck_cnt);

void mblck_pool_destroy(mblck_pool_t *pool);

int mblck_list_alloc(mblck_pool_t *pool, uint32_t item_len, uint32_t item_cnt,

mblck_list_t *list);

void mblck_list_merge(mblck_list_t *pri_list, mblck_list_t *add_list);

void mblck_list_free(mblck_pool_t *pool, mblck_list_t *list);

/* token buffer functions */

int token_buff_create(token_buff_t *buff, uint32_t count);

void token_buff_destroy(token_buff_t *buff);

void *token_buff_get(token_buff_t *buff, uint32_t count);

void token_buff_release(token_buff_t *buff, void *tokens);

/* tokenize functions */

size_t tokenize_command(char *command, int cmdlen, token_t *tokens, const size_t max_tokens);

int detokenize(token_t *tokens, int ntokens, char *buffer, int length);

int tokenize_keys(char *keystr, int keylen, int keycnt, char delimiter, token_t *tokens);

ENGINE_ERROR_CODE tokenize_mblocks(mblck_list_t *blist, int keylen, int keycnt,

int maxklen, bool must_backward_compatible,

token_t *tokens);

ENGINE_ERROR_CODE tokenize_sblocks(mblck_list_t *blist, int keylen, int keycnt,

int maxklen, bool must_backward_compatible,

token_t *tokens);

#endif