/*----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2020. All rights reserved.
 * Description: At Main HeadFile
 * Author: Huawei LiteOS Team
 * Create: 2013-01-01
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --------------------------------------------------------------------------- */

#ifndef _AT_MAIN_H
#define _AT_MAIN_H
#include <stdbool.h>
#include "los_queue.h"
#include "los_mux.h"
#include "los_task.h"
#include "los_sem.h"

#include "sal/atiny_socket.h"
#include "at_frame/at_api.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

/* MACRO DEFINE */
#ifdef LOSCFG_COMPONNETS_NET_AT_INFO
#define AT_LOG(fmt, arg...)  printf("[%lu][%s:%d][I]"fmt"\n", at_get_time(), __func__, __LINE__, ##arg)
#else
static inline void __do_nothing(const char *fmt, ...) { (void)fmt; }
#define AT_LOG(fmt, arg...)  __do_nothing(fmt, ##arg)
#endif

#ifdef LOSCFG_COMPONNETS_NET_AT_DEBUG
#define AT_LOG_DEBUG(fmt, arg...)  printf("[%lu][%s:%d][D]"fmt"\n", at_get_time(), __func__, __LINE__, ##arg)
#else
#define AT_LOG_DEBUG(fmt, arg...)
#endif

#define AT_OK             0
#define AT_FAILED         -1
#define AT_TIMEOUT        -2

#define AT_LINK_UNUSE     0
#define AT_LINK_INUSE     1

#define AT_MUXMODE_SINGLE 0
#define AT_MUXMODE_MULTI  1

#ifndef MIN
#define MIN(a, b) ((a) < (b)? (a) : (b))
#endif /* MIN */

#ifndef array_size
#define array_size(a) (sizeof(a) / sizeof(*(a)))
#endif

/* VARIABLE DECLEAR */

/* TYPE REDEFINE */
typedef int32_t (*oob_callback)(void *arg, int8_t *buf, int32_t buflen);
typedef int32_t (*oob_cmd_match)(const char *buf, char *featurestr, int len);

#define MAXIPLEN  40
typedef struct {
    uint32_t len;
    uint8_t *addr;
    char ipaddr[MAXIPLEN];
    int port;
} QUEUE_BUFF;

enum {
    AT_USART_RX,
    AT_TASK_QUIT,
    AT_SENT_DONE
};
typedef uint32_t at_msg_type_e;

typedef struct {
    uint32_t ori;
    uint32_t end;
    at_msg_type_e msg_type;
} recv_buff;

typedef struct {
    UINT32 fd; /* convert between socket_fd and linkid */
    UINT32 qid; /* queue id */
    UINT32 usable;
    UINT8 remote_ip[16];
    UINT32 remote_port;
} at_link;

typedef struct {
    const char **suffix;
    int suffix_num;
    int match_idx;
    char *resp_buf;
    uint32_t *resp_len;
} at_cmd_info_s;

typedef struct _listner {
    struct _listner *next;
    at_cmd_info_s cmd_info;
    uint32_t expire_time;
    int32_t (*handle_data)(const int8_t *data, uint32_t len);
} at_listener;

#define OOB_MAX_NUM  5
#define OOB_CMD_LEN  40
#define AT_DATA_LEN  1024
typedef struct oob_s {
    char featurestr[OOB_CMD_LEN];
    int len;
    int runflag;
    oob_cmd_match cmd_match;
    oob_callback callback;
    void *arg;
} oob_t;

typedef struct at_oob_s {
    oob_t oob[OOB_MAX_NUM];
    int32_t oob_num;
} at_oob_t;

typedef struct __config {
    char *name;
    uint32_t usart_port;
    uint32_t buardrate;
    uint32_t linkid_num;
    uint32_t user_buf_len; /* malloc 3 block memory for intener use, len * 3 */
    char *cmd_begin;
    char *line_end;
    uint32_t  mux_mode;
    uint32_t timeout; /* command respond timeout */
} at_config;

typedef struct at_task {
    uint32_t  tsk_hdl;
    uint32_t recv_sem;
    uint32_t rid;
    bool     rid_flag;
    uint32_t resp_sem;
    uint32_t cmd_mux;
    uint32_t trx_mux;
    bool     trx_mux_flag;
    uint8_t  *recv_buf;
    uint8_t  *cmdresp; /* AT cmd response,default 512 bytes */
    uint8_t  *userdata; /* data form servers,default 512 bytes */
    uint8_t  *saveddata;
    uint32_t  mux_mode;
    at_link  *linkid;
    at_listener *head;
    uint32_t timeout; /* command respond timeout */

    void (*step_callback)(void);

    int32_t (*init)(at_config *config);
    int32_t (*cmd)(int8_t *cmd, int32_t len, const char *suffix, char *resp_buf, int *resp_len);
    int32_t (*write)(int8_t *cmd, int8_t *suffix, int8_t *buf, int32_t len);
    /* get unused linkid, use in multi connection mode */
    int32_t (*get_id)(void);
    /* register uset msg process to the listener list */
    int32_t (*oob_register)(char *featurestr, int cmdlen, oob_callback callback, oob_cmd_match cmd_match);
    void (*deinit)(void);
    int32_t (*cmd_multi_suffix)(const int8_t *cmd, int len, at_cmd_info_s *cmd_info);
} at_task;

void at_set_config(at_config *config);
at_config *at_get_config(void);

void *at_malloc(size_t size);
void at_free(void *ptr);
int chartoint(const char *port);
extern int at_update_result_send(void);
int32_t at_cmd_in_callback(const int8_t *cmd, int32_t len, int32_t (*handle_data)(const int8_t *data, uint32_t len), uint32_t timeout);
uint32_t at_get_time(void);
void at_reg_step_callback(at_task *at_tsk, void (*step_callback)(void));

extern at_task at;

extern uint16_t at_fota_timer;

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

#endif /* _AT_MAIN_H */
