common_src/lib/liblynq-sim/src/lynq_sim.cpp

/*============================================================================= 
#     FileName: lynq_sim.cpp
#     Desc: about SIM API
#     Author: mobiletek 
#     Version: V1.0
#     LastChange: 2021-12-29 
#     History: 
=============================================================================*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <string.h>
#include <unistd.h>
#include <binder/Parcel.h>
#include <log/log.h>
#include <cutils/jstring.h>
#include <pthread.h>
#include <vendor-ril/telephony/ril.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h> /*add for get recvfrom errorid on 20220921*/
#include <sys/stat.h>
#include <fcntl.h>
#include "lynq_sim.h"
#define MAX_BUF 20
#define MAX_NUM 80
#define LYNQ_REQUEST_SET_DEFAULT_SIM_ALL 8008
#define LYNQ_REQUEST_CHANGE_SCREEN_STATE 8014 /*add for two sim suspend on 20220919*/
#define LYNQ_REQUEST_CHANGE_RADIO 8015
#define MAX_LEN 1024*8
#define MAX_NUM 10
#define LOG_TAG "LYNQ_SIM"
#define FLAG_TESS 0
using ::android::Parcel;
#define DEST_PORT 8088
#define DSET_IP_ADDRESS  "127.0.0.1"

typedef struct{
    int uToken;
    int request;
    int paramLen;
    char param[MAX_LEN];
}lynq_client_t;

/* socket文件描述符 */ 
int len_addr_serv;
struct sockaddr_in addr_serv;
static int sock_fd = 0;
int Global_uToken = 0;
static pthread_mutex_t g_lynq_sim_sendto_mutex;
/**
 * @brief mark call initialization state
 * 0: deinit state
 * 1: init state
 */
int g_lynq_sim_init_flag = 0;

/**
 * @brief lynq_req_sim_io need to send request
 */
char data_buf[32] = {0};
char pin2_buf[32] = {0};
char aidPtr_buf[32] = {0};

/**
 * @brief lynq_shutdown need
 */
char options_buf[32] = {0};
char time_buf[32] = {0};
char message_buf[32] = {0};

typedef struct{
    int resp_type;
    int token;
    int request;
    int slot_id;
    int error;
}lynq_resp_t;

#define RESULT_OK (0)
#define RESULT_ERROR (-1)

typedef enum{
    /*base abnormal*/
    LYNQ_E_PARAMETER_ANONALY=7000,
    LYNQ_E_SEND_REQUEST_FAIL=7001,
    LYNQ_E_GET_HEAD_ERROR=7002,
    LYNQ_E_INNER_ERROR=7100,
    LYNQ_E_MALLOC_ERROR=7101,
    /**/
    LYNQ_E_CARDSTATE_ERROR=8000,
    /* The voice service state is out of service*/
    LYNQ_E_STATE_OUT_OF_SERVICE=8001,
    /* The voice service state is EMERGENCY_ONLY*/
    LYNQ_E_STATE_EMERGENCY_ONLY=8002,
    /* The radio power is power off*/
    LYNQ_E_STATE_POWER_OFF=8003,
    LYNQ_E_TIME_OUT=8004,
    /*create or open sms DB fail */
    LYNQ_E_SMS_DB_FAIL=8005,
    /*Failed to execute sql statement*/
    LYNQ_E_SMS_SQL_FAIL = 8006,
    LYNQ_E_SMS_NOT_FIND = 8007,
    /* The logic conflict*/
    LYNQ_E_CONFLICT=9000,
    /*Null anomaly*/
    LYNQ_E_NULL_ANONALY=9001,
     /*Invalid id anomaly*/
    LYNQ_E_INVALID_ID_ANONALY=9002,
#ifdef ECALL_SUPPORT
    LYNQ_E_ECALL_BEING_RUNNING =9003,
    LYNQ_E_ECALL_MSD_LENGTH_ERROR =9004,
    LYNQ_E_ECALL_DAILING_NO_ANSWER =9005,
#endif
}LYNQ_E;

/**@brief print solicied response msg's head information
* @param head [IN]: head information
* @return none
*/
void PrintHeader(lynq_resp_t& head)
{
    RLOGD("resp_type=%d,token=%d,request=%d,slot_id=%d,error_code=%d",head.resp_type,head.token,head.request,head.slot_id,head.error);
}

int GetHeader(Parcel* &p, lynq_resp_t& head, int request_id)
{
    RLOGD("get header");
    if(p->dataAvail() > 0)
    {
        p->readInt32(&(head.resp_type));
        p->readInt32(&(head.token));
        p->readInt32(&(head.request));
        RLOGD("%s %d", __FUNCTION__, head.request);
        p->readInt32(&(head.slot_id));
        p->readInt32(&(head.error));
        PrintHeader(head);
        return head.error;
    }
    else
    {
        return RESULT_ERROR;
    }
}

int lynq_send_common_request(Parcel* p, int request_id, int argc, int cnt, const char* format,...)
{
    lynq_client_t client;
    int ret;
    int send_num;
    int recv_num;
    char res_data[MAX_LEN] = {0};
    client.uToken = Global_uToken;
    if(request_id == RIL_REQUEST_SCREEN_STATE)
    {
        client.request = LYNQ_REQUEST_CHANGE_SCREEN_STATE;
    }
    else if(request_id == RIL_REQUEST_RADIO_POWER)
    {
        client.request = LYNQ_REQUEST_CHANGE_RADIO;
    }
    else
    {
        client.request = request_id;
    }
    client.paramLen = argc;
    bzero(client.param,MAX_LEN);
    if(argc!=0)
    {
        va_list args;
        va_start(args, format);
        vsnprintf(client.param, MAX_LEN, format, args);
        va_end(args);
    }
    RLOGD("uToken=%d,request=%d,paralen=%d,param=%s",client.uToken,client.request,client.paramLen,client.param);
    pthread_mutex_lock(&g_lynq_sim_sendto_mutex);
    send_num = sendto(sock_fd,&client,sizeof(client),0,(struct sockaddr *)&addr_serv,len_addr_serv);
    if(send_num <= 0)
    {
        RLOGD("send request fail, send num is %d", send_num);
        pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
        return LYNQ_E_SEND_REQUEST_FAIL;
    }
    lynq_resp_t head;
    head.request = -1;
    for(int i = 0; i < cnt;)
    {
        recv_num = recvfrom(sock_fd,res_data,sizeof(char)*MAX_LEN, 0, (struct sockaddr *)&addr_serv,(socklen_t*)&len_addr_serv);
        if(recv_num <= 0)
        {
            RLOGD("recv request fail, recv num is %d", recv_num);
            pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
            return recv_num;
        }
        p->setData((uint8_t *)res_data,sizeof(char)*recv_num);
        p->setDataPosition(0);
        ret=GetHeader(p,head,request_id);
        if(ret!=0)
        {
            RLOGD("%s %d get head error %d",__FUNCTION__,client.uToken,ret);
            pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
            return ret;
        }
        if(request_id == head.request)
        {
            i++;
        }
    }
    pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
    return ret;
}

int lynq_sim_init(int utoken){

    RLOGE("%s start, parameter is %d", __func__,utoken);
    
    if(g_lynq_sim_init_flag == 1)
    {
        RLOGD("lynq_sim_init  failed");
        return -1;
    }
    g_lynq_sim_init_flag = 1;
    if(utoken < 0){
        return -1;
    }
    Global_uToken = utoken;
    sock_fd = socket(AF_INET, SOCK_DGRAM, 0);
    if (-1 == sock_fd)
    {
        return sock_fd;
    }

    struct sockaddr_in liblynq_data_socket;
    bzero(&liblynq_data_socket, sizeof(liblynq_data_socket));
    //set this lib socket config 
    liblynq_data_socket.sin_family = AF_INET;
    liblynq_data_socket.sin_addr.s_addr = inet_addr(DSET_IP_ADDRESS);
    int ret = bind(sock_fd, (struct sockaddr *)&liblynq_data_socket, sizeof(liblynq_data_socket));
    if (-1 == ret)
    {
        RLOGE("liblynq_data_socket bind fail,errno:%d",errno);
        return -1;
    }
    
    struct timeval timeOut;
    timeOut.tv_sec = 60;
    timeOut.tv_usec = 0;
    if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &timeOut, sizeof(timeOut)) < 0) 
    {
        RLOGD("time out setting failed\n"); 
        return -1;
    }
    /* 设置address */  
    memset(&addr_serv, 0, sizeof(addr_serv));  
    addr_serv.sin_family = AF_INET;  
    addr_serv.sin_addr.s_addr = inet_addr(DSET_IP_ADDRESS);  
    addr_serv.sin_port = htons(DEST_PORT);  
    len_addr_serv = sizeof(addr_serv);  
    /*test*/

    RLOGE("%s end suc", __func__);
    return 0;
}

int lynq_sim_deinit(void){

    RLOGE("%s start", __func__);
    
    if(g_lynq_sim_init_flag == 0)
    {
        RLOGD("lynq_sim_deinit  failed");
        return -1;
    }
    g_lynq_sim_init_flag = 0;
    close(sock_fd);

    RLOGE("%s end suc", __func__);
    return 0;
}

static char * lynqStrdupReadString(Parcel &p) {
    size_t stringlen;
    const char16_t *s16;

    s16 = p.readString16Inplace(&stringlen);
    return strndup16to8(s16, stringlen);
}

/*If you need to use any API under lynq_sim, you mustfirst call the lynq_sim_init() function to initialize these functions.*/
int lynq_get_sim_status(int *card_status)
{   
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_GET_SIM_STATUS,0,1,"");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    p.readInt32(card_status);
    return res;
}

int lynq_get_imsi(char buf[])
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_GET_IMSI,0,1,"");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    char * test = lynqStrdupReadString(p);
    memcpy(buf, test, strlen(test));
    free(test);
    return res;
}


/*add by lei*/

int lynq_get_iccid(char buf[]){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_QUERY_ICCID,0,1,"");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    char * test = lynqStrdupReadString(p);
    memcpy(buf, test, strlen(test));
    free(test);
    return res;
}

int lynq_enable_pin(char *pin){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_SET_FACILITY_LOCK,4,1,"%s %s %s %s\n", "SC", pin, "11", "1");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

int lynq_sim_power(int mode)
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_OEM_HOOK_RAW,1,1,"%s%d", "AT+ESIMPOWER=", mode);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

int lynq_disable_pin(char *pin){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_SET_FACILITY_LOCK,4,1,"%s %s %s %s\n", "SC", pin, "11", "0");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

int lynq_query_pin_lock(char *pin,int buf[]){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_QUERY_FACILITY_LOCK,3,1,"%s %s %s\n", "SC", pin, "11");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    int num = -1;
    p.readInt32(&num);
    if(num > 0)
    {
        int *test = (int *)calloc(num, sizeof(int));
        for(int i =0; i <num; i++){
            p.readInt32(&test[i]);
            buf[i] = test[i];
        }
        free(test);
    }
    return res;
}

int lynq_verify_pin(char *pin){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_ENTER_SIM_PIN,1,1,"%s\n", pin);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

int lynq_change_pin(char *old_pin, char *new_pin){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    int res = -1;
    if(old_pin == NULL || new_pin == NULL)
        return res;
    if(!strlen(new_pin))
        return res;
    if(!strlen(old_pin))
        return res;
    Parcel p;
    res = lynq_send_common_request(&p,RIL_REQUEST_CHANGE_SIM_PIN,2,1,"%s %s\n", old_pin, new_pin);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

int lynq_unlock_pin(char *puk, char *pin){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    if(puk == NULL || pin == NULL)
        return -1;
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_ENTER_SIM_PUK,2,1,"%s %s\n", puk, pin);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

static void delete_char(char str[],char target){
    if(str == NULL){
        return;
    }
    int i,j;
    for(i=j=0;str[i]!='\0';i++){
        if(str[i]!=target){
            str[j++]=str[i];
        }
    }
    str[j]='\0';
} 

static int parse_param(char *cmd, char **argv, char buf[]){
    if(cmd == NULL || argv == NULL || buf == NULL){
        return -1;
    }
    if(strstr(cmd,"ERROR")){
        return 3;
    }
    else{
        int argc = 0;
        char *token;
        token = strtok(cmd, ",");
        if(token == NULL)
        {
            return 9001;
        }
        if(strstr(token, "CNUM"))
        {
            char *string;
            while (token != NULL)
            {
                if(argc == 5)
                {
                    if(NULL == argv[1])
                    {
                        return 9002;
                    }
                    int lengh = strlen(argv[1]);
                    memcpy(buf, argv[1], lengh);
                    delete_char(buf, '"');
                    RLOGD("too many phone number return\n");
                    return 0;
                }
                string = token;
                argv[argc++] = string;
                token = strtok(NULL, ",");
            }
            if(NULL == argv[1])
            {
                return 9001;
            }
            int lengh = strlen(argv[1]);
            memcpy(buf, argv[1], lengh);
            delete_char(buf, '"');
            return 0;
        }
        return 9001;
    }
}

int lynq_query_phone_number(char buf[]){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_OEM_HOOK_RAW,1,1,"%s\n", "AT+CNUM");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    int num = -1;
    p.readInt32(&num);
    char test[128] = {0};
    char *argv[5] = {0};
    if(num != -1)
    {
        p.read(test, num);
        num = parse_param(test, argv, buf);
        return num;
    }
    return res;
}

int lynq_get_imei(char buf[])
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_DEVICE_IDENTITY,0,1,"");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    int num = 0;
    p.readInt32(&num);
    char * test = lynqStrdupReadString(p);
    memcpy(buf, test, strlen(test));
    free(test);
    return res;
}

int lynq_get_imei_and_sv(char imei[],char sv[])
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_DEVICE_IDENTITY,0,1,"");
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    int num = 0;
    p.readInt32(&num);
    if(num<2)
    {
        RLOGD("%s num %d error, should greater than 1",__func__,num);
        return -1;
    }
    char *resp[2]={NULL,NULL};
    int i;
    for(i=0;i<2;i++)
    {
        resp[i]= lynqStrdupReadString(p);
        if(resp[i]==NULL)
        {
            break;
        }
    }
    if(i==2){
        memcpy(imei, resp[0], strlen(resp[0])+1);
        memcpy(sv, resp[1], strlen(resp[1])+1);
    }
    else
    {
        RLOGD("%s resp[%d] is null",__func__,i);
    }
    for(i=0;i<2;i++)
    {
        if(resp[i]!=NULL)
        {
            free(resp[i]);
        }
    }
    return i==2? 0:-1;

}

static int judge(int slot){
    switch(slot){
        case 0:
            return -1;
        case 1:
            return -1;
    }
    return 0;
}

int lynq_switch_card(int slot){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    if(!judge(slot))
        return -1;
    int send_num = 0;
    lynq_client_t client_t;
    client_t.request = LYNQ_REQUEST_SET_DEFAULT_SIM_ALL;
    client_t.paramLen = 1;
    client_t.uToken = Global_uToken;
    sprintf(client_t.param, "%d\n", slot);
    pthread_mutex_lock(&g_lynq_sim_sendto_mutex);
    send_num = sendto(sock_fd, &client_t, sizeof(client_t), 0, (struct sockaddr *)&addr_serv, len_addr_serv); //because ril of id = -1
    if(send_num < 0)  
    {  
        RLOGD("function %s sendto error:", __FUNCTION__);  
        return send_num;
    }
    pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
    return 0;
}
/**@breif    change screen state
*param       num type: [IN]  screen_state,0:close,1:open
*param       ret type: [OUT] result,0:success,other:fail
*return int
*/
int lynq_screen(int num){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    if(!judge(num))
        return -1;
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_SCREEN_STATE,1,2,"%d\n",num);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

/**@breif    change screen state
*param       num type: [IN]  screen_state,0:close,1:open
*param       ret type: [OUT] result,0:success,other:fail
*return int
*/
int lynq_factory_radio_state(int num){
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    if(!judge(num))
        return -1;
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_RADIO_POWER,1,2,"%d\n",num);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    return res;
}

/**
 * @brief                   Check whether the input is valid  for lynq_req_sim_io api
 * @param  list             type: [IN] list[0]:one of the commands listed for TS 27.007 +CRSM.(command)
 *                          type: [IN] list[1]:EF id(fileid)
 *                          type: [IN] list[2]:offset(p1)
 *                          type: [IN] list[3]:offset(p2)
 *                          type: [IN] list[4]:response len,sometimes needn't care(p3)
 * @param  path             type: [IN] "pathid" from TS 27.007 +CRSM command.
                            type: [IN] Path is in hex asciii format eg "7f205f70"
                            type: [IN] Path must always be provided.
 * @param  data             type: [IN] May be NULL
 * @param  pin2             type: [IN] May be NULL
 * @param  aidPtr           type: [IN] AID value, See ETSI 102.221 8.1 and 101.220 4, NULL if no value.
 * @param  sw               type: [OUT] 
 * @param  simResponse      type: [OUT] response
 * @return int
 */
static int judge_illegal(int list[5], char *path, char *data, char *pin2, char *aidPtr, int sw[2], char *simResponse)
{
    if(list == NULL)
    {
        return -1;
    }
    if(path == NULL)
    {
        return -1;
    }
    if(sw == NULL){
        return -1;
    }
    if(simResponse == NULL){
        return -1;
    }
    if(data == NULL)
    {
        memcpy(data_buf, "null", 4);
    }
    else
    {
        bzero(data_buf,32);
        memcpy(data_buf, data, strlen(data));
    }
    if(pin2 == NULL)
    {
        memcpy(pin2_buf, "null", 4);
    }
    else
    {
        bzero(pin2_buf,32);
        memcpy(pin2_buf, data, strlen(data));
    }
    if(aidPtr == NULL)
    {
        memcpy(aidPtr_buf, "null", 4);
    }
    else
    {
        bzero(aidPtr_buf,32);
        memcpy(aidPtr_buf, data, strlen(data));
    }
    return 0;
}

int lynq_req_sim_io(int list[5], char *path, char *data, char *pin2, char *aidPtr, int sw[2], char *simResponse)
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    if(judge_illegal(list, path, data, pin2, aidPtr, sw, simResponse))
    {
        return -1;
    }
    Parcel p;
    int res = lynq_send_common_request(&p,RIL_REQUEST_SIM_IO,9,1,"%d %d %s %d %d %d %s %s %s\n", list[0], list[1], path, list[2], list[3], list[4], data_buf, pin2_buf, aidPtr_buf);
    if(res != 0)
    {
        RLOGD("function %s execute error", __FUNCTION__);
        return res;
    }
    p.readInt32(&sw[0]);
    p.readInt32(&sw[1]);
    char * test = lynqStrdupReadString(p);
    memcpy(simResponse, test, strlen(test));
    free(test);
    return res;
}

static void wait_reset_mipc_response(int *response)
{
    usleep(500*1000);
    int outfd = open("/data/tp",O_RDONLY);
    if(outfd == -1){
        RLOGD("open error");
        return;
    }
    char rst[1024];
    int s;
    s = read(outfd,rst,sizeof(rst));
    sscanf(rst,"%d",response);
    usleep(1);
    close(outfd);
    return;
}

int lynq_reset_modem(void)
{
    if(g_lynq_sim_init_flag == 0)
    {
        return -1;
    }
    int ret = -1;
    int send_num = 0;
    lynq_client_t client_t;
    client_t.request = RIL_REQUEST_OEM_HOOK_RAW;
    client_t.paramLen = 1;
    client_t.uToken = Global_uToken;
    sprintf(client_t.param, "%s\n", "AT+LRSTMD");
    pthread_mutex_lock(&g_lynq_sim_sendto_mutex);
    send_num = sendto(sock_fd, &client_t, sizeof(client_t), 0, (struct sockaddr *)&addr_serv, len_addr_serv);//because response not by ril callback
    if(send_num < 0)  
    {  
        RLOGD("function %s sendto error:", __FUNCTION__);
        pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
        return ret;
    }
    wait_reset_mipc_response(&ret);
    pthread_mutex_unlock(&g_lynq_sim_sendto_mutex);
    RLOGD("function %s ret %d",__FUNCTION__, ret);
    return ret;
}

/**
 * @brief                   handle shutdown buf
 * @param  options          type: [IN]My Param doc
 * @param  time             type: [IN]My Param doc
 * @param  message          type: [IN]My Param doc
 */
static void handle_shutdown_buf(char options[], char time[], char message[])
{
    if(NULL == options)
    {
        bzero(options_buf, 32);
        memcpy(options_buf," ", 1);
    }
    else
    {
        memcpy(options_buf,options, strlen(options));
    }
    if(NULL == time)
    {
        bzero(time_buf, 32);
        memcpy(time_buf," ", 1);
    }
    else
    {
        memcpy(time_buf, time, strlen(time));
    }
    if(NULL == message)
    {
        bzero(message_buf, 32);
        memcpy(message_buf," ", 1);
    }
    else
    {
        memcpy(message_buf, message, strlen(message));
    }
}

int lynq_shutdown(char options[], char time[], char message[])
{
    char cmd[128] = {0};
    handle_shutdown_buf(options, time, message);
    sprintf(cmd, "%s %s %s %s", "shutdown", options_buf, time_buf, message_buf);
    system(cmd);
    return 0;
}

int lynq_get_version(char buf[])
{
    FILE *fp;
    char buffer[128];
    sprintf(buffer, "%s", "uci get lynq_uci_ro.lynq_version.LYNQ_SW_VERSION");
    fp = popen(buffer, "r");
    if(NULL == fp)
    {
        RLOGE("popen failed !");
        return -1;
    }
    if(NULL != fgets(buffer, sizeof(buffer), fp))
    {
        if('\n' == buffer[strlen(buffer) - 1])
        {
            buffer[strlen(buffer) - 1] = '\0';
        }
    }
    else
    {
        RLOGE("fgets failed !");
        pclose(fp);
        return -1;
    }
    memcpy(buf, buffer, strlen(buffer));
    buf[strlen(buffer)] = '\0';
    pclose(fp);
    return 0;
}