SmartPDCode/pro/src/sys.c

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <fcntl.h>
#include <dirent.h>
#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
#include "elog.h"
#include "sys.h"
#include "upgrade.h"
#include "paras.h"
#include "cfg.h"
#include "file.h"
#include "lock.h"
#include "qrc.h"
#include "thread.h"
#include "shell.h"
#include "common.h"
#include "sqlite_handle.h"
#include "language_hashmap.h"
#include "wifi.h"
#if (CHIP_TYPE != CHIP_T113s)
#include <sys/sysinfo.h>
#endif

#if 1
    #define LOGE  log_e
    #define LOGW  log_w
    #define LOGD  log_d
#else
    #define LOGD  printf
    #define LOGW  printf
    #define LOGE  printf
#endif


//#define USE_BASH
#define USE_FILE
//#define USE_API

#define DFLT_NIC            "eth0"
//#define FILE_NET          "/root/interfaces"
#define FILE_NET            "/etc/network/interfaces"
#define FILE_DNS            "/etc/dnsmasq.conf"

static int net_check(void);
static int get_pid(char *proc);
static int get_net(NetworkInfo_t *para, int ipv);
static int set_net(NetworkInfo_t *para, int ipv);


static void nic_restart(void)
{
    NetworkInfo_t info;
    char *p=getLocalIpAddress(DFLT_NIC);
    if(p==NULL) {
        system("ifdown eth0;ifup eth0;sleep 2");
    }
}
static int is_mac_fixed(void)
{
    const char *path="/usr/bin/docker";
    if(access(path,0)==0) { //docker存在则是老版镜像，每次重启mac不固定, 为随机值
        return 0;
    }
    return 1;
}
static void nic_set_mac(void)
{
#if (CHIP_TYPE == CHIP_T113i)
    //if(is_mac_fixed()) return;     //如果是t113i新版镜像，mac地址跟id绑定，不需要写固定值进去
#endif
    system("ip link set dev eth0 address `cat /sys/class/addr_mgt/addr_eth`");
}


////////////////////////////////////////////////////////////////////
int sys_reboot(void)
{
    int r=0;

    r = system("reboot");
    if(r) {
        LOGE("sys_reboot failed!\n");
        return -1;
    }

    return r;
}


#include "upgrade.h"
int sys_set_factory(void)
{
    int r=0;
    char dir[200],src[400],dst[400];
    GlobalDeviceManager *dm=&__globalDeviceManage;
    sqlite_deinit(dm->db, &dm->dbThreadlock);

    sys_get_path(dir, "");
    LOGD("___ curdir: %s\n", dir);

    snprintf(src, sizeof(src), "%s/%s", dir, DATABASE_BAK_NAME);
    snprintf(dst, sizeof(dst), "%s/%s", dir, DATABASE_NAME);
    LOGD("__1__ file_copy from %s to %s\n", src, dst);
    char sysorder[100];
    snprintf(sysorder, sizeof(sysorder), "cp -f %s %s", src, dst);
    // r = file_copy(dst, src);
    r = system(sysorder);
    LOGD("__1__ file_copy r=%d!\n", r);

    if(0) {
        r = paras_reset();
    }
    else {
        snprintf(src, sizeof(src), "%s/%s", dir, INI_FILE_BAK_NAME);
        snprintf(dst, sizeof(dst), "%s/%s", dir, INI_FILE_NAME);

        LOGD("__2__ file_copy from %s to %s\n", src, dst);
        char sysorder1[100];
        snprintf(sysorder1, sizeof(sysorder1), "cp -f %s %s", src, dst);
        // r = file_copy(dst, src);
        r = system(sysorder1);
        LOGD("__2__ file_copy r=%d!\n", r);
    }

#if 0
    r = set_net(&DFLT_PARAS.dev._network_info, IP_V4);
    if(r) {
        LOGE("____ set_net failed\n");
        return -1;
    }
#endif

    LOGD("____ exit smartPDU now ...\n");
    exit(0);

    return r;
}


int sys_get_path(char *path, char *name)
{
    int r,n;
    char *p,tmp[500];

    pid_t pid = getpid();
    snprintf(tmp, sizeof(tmp), "/proc/%d/exe", pid); 
    n = readlink(tmp, path, sizeof(tmp));
    if(n>0 && n<sizeof(tmp)) {
        path[n] = 0;
        p = strrchr(path, '/');
        if(p && strlen(path)>1) {
            *p = 0;
            if(name && strlen(name)>0) {
                strcat(path, "/");
                strcat(path, name);
            }
        }
        return 0;
    }
    
    return -1;
}

////////////////////////////////////////////////
#include <net/if.h>
#include <sys/socket.h>
#include <net/route.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <net/if.h>
#include <ifaddrs.h>
#include <netinet/in.h>
#include <linux/if.h>
#include <linux/if_link.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>

void print_net(char*s, NetworkInfo_t *p)
{
    LOGD("__%s__net.mode:    %d\n", s, p->mode);
    LOGD("__%s__net.addr:    %s\n", s, p->ip_address);
    LOGD("__%s__net.mask:    %s\n", s, p->mask);
    LOGD("__%s__net.gateway: %s\n", s, p->gateway);
    LOGD("__%s__net.dns1:    %s\n", s, p->dns1);
    LOGD("__%s__net.dns2:    %s\n", s, p->dns2);
}
void print_modbus(char*s, ModbusInfo_t *p)
{
    LOGD("__%s__mbus.mode:    %d\n", s, p->mode);
    LOGD("__%s__mbus.addr:    %d\n", s, p->addr);
    LOGD("__%s__mbus.baud:    %d\n", s, p->baudrate);
    LOGD("__%s__mbus.path:    %s\n", s, p->path);
}

static int set_ipaddr(int family, const char* iface, const char* addr, const char* netmask)
{
    struct ifreq ifr;
    struct sockaddr_in  *sin;
    struct sockaddr_in6 *sin6;
     
    int fd = socket(family, SOCK_DGRAM, 0);
    if (fd < 0) {
        LOGD("socket SOCK_DGRAM failed\n");
        return -1;
    }
 
    strcpy(ifr.ifr_name, iface);
    sin  = (struct sockaddr_in*)&ifr.ifr_addr;
    sin6 = (struct sockaddr_in6*)&ifr.ifr_addr;

    if(family==AF_INET) {
        sin->sin_family = family;
        sin->sin_port = 0;
        inet_pton(family, addr, &sin->sin_addr);
     
        if (ioctl(fd, SIOCSIFADDR, &ifr) < 0) {
            LOGD("ioctl SIOCSIFADDR \n");
            close(fd);
            return -1;
        }
     
        sin->sin_family = family;
        inet_pton(family, netmask, &sin->sin_addr);
        if (ioctl(fd, SIOCSIFNETMASK, &ifr) < 0) {
            LOGD("ioctl SIOCSIFNETMASK \n");
            close(fd);
            return -1;
        }
    }
    else {
        sin6->sin6_family = family;
        sin6->sin6_port = 0;
        inet_pton(family, addr, &sin6->sin6_addr);
     
        if (ioctl(fd, SIOCSIFADDR, &ifr) < 0) {
            LOGD("ioctl SIOCSIFADDR \n");
            close(fd);
            return -1;
        }
     
        sin6->sin6_family = family;
        inet_pton(family, netmask, &sin6->sin6_addr);
        if (ioctl(fd, SIOCSIFNETMASK, &ifr) < 0) {
            LOGD("ioctl SIOCSIFNETMASK \n");
            close(fd);
            return -1;
        }
    }
    close(fd);
    
    return 0;
}
static int get_ipaddr(int family, char *iface, char *addr, char *netmask)
{
    int r=-1;
    struct ifaddrs *ifap, *ifa;

    if (getifaddrs(&ifap) == -1) {
        LOGE("___getifaddrs() error\n");
        return -1;
    }

    for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
        if (ifa->ifa_addr != NULL && ifa->ifa_addr->sa_family == family) {
            if(family==AF_INET) {
                struct sockaddr_in *sa,*msk;
                sa = (struct sockaddr_in *)  ifa->ifa_addr;
                msk = (struct sockaddr_in *) ifa->ifa_netmask;

                if(addr) {
                    char *p = (char*)inet_ntop(family, &sa->sin_addr, addr, INET6_ADDRSTRLEN);
                    if(p && strcmp(p, "127.0.0.1") && strcmp(p, "172.17.0.1")) {
                        //printf("___addr4: %s\n", addr);
                        r = 0;
                    }
                }

                if(netmask) {
                    inet_ntop(family, &msk->sin_addr, netmask, INET6_ADDRSTRLEN);
                    //printf("___netmask4: %s\n", netmask);
                }

                if(r==0) break;
            }
            else {
                struct sockaddr_in6 *sa,*msk;
                sa = (struct sockaddr_in6 *)  ifa->ifa_addr;
                msk = (struct sockaddr_in6 *) ifa->ifa_netmask;
                
                if(addr) {
                    char *p = (char*)inet_ntop(family, &sa->sin6_addr, addr, INET6_ADDRSTRLEN);
                    if(p && strcmp(p, "::1")) {
                        //printf("___addr6: %s\n", addr);
                        r = 0;
                    }
                }

                if(netmask) {
                    inet_ntop(family, &msk->sin6_addr, netmask, INET6_ADDRSTRLEN);
                    //printf("___netmask6: %s\n", netmask);
                }

                if(r==0) break;
            }
        }
    }
    freeifaddrs(ifap);
    
    return r;
}

static int set_gateway(int family, const char* gateway)
{
    struct rtentry rt;
    
    int fd;
 
    fd = socket(family, SOCK_DGRAM, 0);
    if (fd < 0) {
        LOGE("socket SOCK_DGRAM failed\n");
        return -1;
    }
 
    memset(&rt, 0, sizeof(rt));

    if(family==AF_INET) {
        struct sockaddr_in* sin;
        sin = (struct sockaddr_in*)&rt.rt_gateway;
        sin->sin_family = family;
        sin->sin_port = 0;
        inet_pton(family, gateway, &sin->sin_addr);
     
        sin = (struct sockaddr_in*)&rt.rt_dst;
        sin->sin_family = family;
        sin->sin_addr.s_addr = 0;
    }
    else {
        struct sockaddr_in6* sin;
        sin = (struct sockaddr_in6*)&rt.rt_gateway;
        sin->sin6_family = family;
        sin->sin6_port = 0;
        inet_pton(family, gateway, &sin->sin6_addr);
     
        sin = (struct sockaddr_in6*)&rt.rt_dst;
        sin->sin6_family = family;
        //sin->sin6_addr.s_addr[0] = 0;
    }
 
    rt.rt_flags = RTF_GATEWAY;
    if (ioctl(fd, SIOCADDRT, &rt) < 0) {
        LOGE("ioctl SIOCADDRT failed\n");
        close(fd);
        return -1;
    }
    close(fd);
    
    return 0;

}
static int get_gateway(int family, const char* gateway)
{
#if 0
    int sockfd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
    if (sockfd == -1) {
        log_e("set_gateway, socket AF_NETLINK error\n");
        return -1;
    }

    struct sockaddr_nl sa;
    memset(&sa, 0, sizeof(sa));
    sa.nl_family = AF_NETLINK;
    if (bind(sockfd, (struct sockaddr *) &sa, sizeof(sa)) == -1) {
        log_e("set_gateway, bind error\n");
        return -1;
    }
    
    struct nlreq req;
    memset(&req, 0, sizeof(req));
    req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
    req.hdr.nlmsg_type = RTM_GETROUTE;
    req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
    req.msg.rtm_family = family;
    req.msg.rtm_table = RT_TABLE_MAIN;
    req.msg.rtm_protocol = RTPROT_UNSPEC;
    req.msg.rtm_scope = RT_SCOPE_UNIVERSE;
    req.msg.rtm_type = RTN_UNICAST;

    struct iovec iov;
    memset(&iov, 0, sizeof(iov));
    iov.iov_base = &req;
    iov.iov_len = req.hdr.nlmsg_len;

    struct msghdr msg;
    memset(&msg, 0, sizeof(msg));
    msg.msg_name = &sa;
    msg.msg_namelen = sizeof(sa);
    msg.msg_iov = &iov;
    msg.msg_iovlen = 1;
    
    char buf[BUFSIZE];
    memset(buf, 0, sizeof(buf));
    struct nlmsghdr *hdr;
    int len;
    if (sendmsg(sockfd, &msg, 0) == -1) {
        log_e("set_gateway, sendmsg error\n");
        return -1;
    }
    while ((len = recv(sockfd, buf, sizeof(buf), 0)) > 0) {
        for (hdr = (struct nlmsghdr *) buf; NLMSG_OK(hdr, len); hdr = NLMSG_NEXT(hdr, len)) {
            if (hdr->nlmsg_type == NLMSG_DONE) {
                goto finish;
            }
            if (hdr->nlmsg_type == NLMSG_ERROR) {
                log_e("set_gateway, NLMSG_ERROR\n");
                return -1;
            }
            struct rtmsg *rt = (struct rtmsg *) NLMSG_DATA(hdr);
            if (rt->rtm_family != family || rt->rtm_table != RT_TABLE_MAIN || rt->rtm_type != RTN_UNICAST) {
                continue;
            }
            struct rtattr *attr;
            int attrlen;
            for (attr = (struct rtattr *) RTM_RTA(rt), attrlen = RTM_PAYLOAD(hdr); RTA_OK(attr, attrlen); attr = RTA_NEXT(attr, attrlen)) {
                if (attr->rta_type == RTA_GATEWAY) {
                    char gw_addr[INET_ADDRSTRLEN];
                    struct in_addr addr;
                    memcpy(&addr, RTA_DATA(attr), sizeof(addr));
                    if (inet_ntop(family, &addr, gateway, INET6_ADDRSTRLEN) == NULL) {
                        log_e("set_gateway, inet_ntop error\n");
                        continue;
                    }
                    printf("Gateway address: %s\n", gw_addr);
                    log_i("set_gateway, Gateway address: %s\n");
                    goto finish;
                }
            }
        }
    }
finish:
    close(sockfd);
#endif

    return 0;
}
static int set_dhcp(int on)
{
    int r;
    char tmp[200],path[100];

    sprintf(path, "/var/run/udhcpc_%s.pid", DFLT_NIC);
    sprintf(tmp, "kill $(cat %s)", path);
    r = system(tmp);

    if(on) {
        sprintf(tmp, "udhcpc -R -b -t 1 -A 1 -i %s -p %s –s /usr/share/udhcpc/default.script", DFLT_NIC, path);
        r = system(tmp);
    }
    return r;
}
static int is_number(char *str)
{
    while (*str) {
        if (!isdigit(*str)) {
            return 0;
        }
        str++;
    }
    return 1;
}
static int ip_check(char* addr)
{
    int flag=IP_ERR;
    struct in_addr addr4;
    struct in6_addr addr6;

    if (inet_pton(AF_INET, addr, &addr4) == 1) {
        flag = IP_V4;
    } else if (inet_pton(AF_INET6, addr, &addr6) == 1) {
        flag = IP_V6;
    }

    if(flag==IP_ERR) {
        LOGE("____ wrong ip addr: %s\n", addr);
    }
    
    return flag;
}
static int is_ipv6_prefix(char *ss)
{
    if(is_number(ss)) {
        int val = atoi(ss);
        if(val>1 && val<128) {
            return 1;
        }
    }

    return 0;
}


///////////////////////////////////////////////
typedef struct {
    char lo[1000];
    char e0[1000];
    char e1[1000];
}interface_t;
typedef uint32_t u32;
#define XLEN(a,b)  ((u32)(a)-(u32)(b))
typedef struct {
    char *ptr;
    int  len;
}nic_t;


static int get_nic(char *nbuf, int nlen, char *nic, char *fbuf, int flen)
{
    int r,xlen;
    char tmp[20];
    char *p1,*p2;
    char *fend=fbuf+flen-1;

    sprintf(tmp, "auto %s", nic);
    p1 = strstr(fbuf, tmp);
    if(!p1) {
        return -1;
    }
    p2 = strstr(p1+1, "auto");
    if(!p2 || p2>fend) {
        p2 = fend;
    }

    xlen = XLEN(p2,p1);
    memcpy(nbuf, p1, xlen);
    nbuf[xlen] = 0;

    return 0;
}
static int get_ip(char *nbuf, char *token, char *ipaddr, int ipv)
{
    int cnt=0;
    char *p,*p1,*p2;
    char *pbuf=NULL;

    if(ipv==IP_V4) {
        pbuf = strstr(nbuf, "inet");
    }
    else {
        pbuf = strstr(nbuf, "inet6");
    }
    if(pbuf==NULL) {
        LOGE("___get_ip, not found inet or inet6\n");
        return -1;
    }

    p = strstr(pbuf, token);
    if(p) {
        p += strlen(token);

        while(isspace(*p)) p++;
        p1 = p;
        while(!isspace(*p)) p++;
        p2 = p;

        for(p=p1; p<p2; p++) {
            if(isgraph(*p)) {
                ipaddr[cnt++] = *p;
            }
        }
        ipaddr[cnt] = 0;

        return 0;
    }
    return -1;
}
static int get_dns(char *nbuf, char *dns1, char *dns2)
{
    int cnt;
    char *p1,*p2;
    char *token="server=";

    p1 = strstr(nbuf, token);
    if(p1==NULL) {
        dns1[0] = 0;
        return -1;
    }

    p1 += strlen(token); cnt=0;
    while(!isspace(*p1)) {
        dns1[cnt++] = *p1;
        p1++;
    }
    dns1[cnt] = 0;

    p2 = strstr(p1, token);
    if(p2==NULL) {
        dns2[0] = 0;
        return -1;
    }

    p2 += strlen(token); cnt=0;
    while(!isspace(*p2)) {
        dns2[cnt++] = *p2;
        p2++;
    }
    dns2[cnt] = 0;

    return 0;
}
static int set_dns(NetworkInfo_t *para)
{
    int r;
    char tmp[100];
    char buf[500];
    
    LOGD("_____ set_dns\n");
    int chk1=ip_check(para->dns1);
    int chk2=ip_check(para->dns2);
    if( chk1==IP_ERR && chk2==IP_ERR) {
        LOGE("___ dns1 and dns2 are all wrong!\n");
        return -1;
    }

    memset(buf, 0, sizeof(buf));
    strcpy(buf, "interface=eth0\nno-hosts\nno-resolv\n\n");

    if(chk1) {
        sprintf(tmp, "server=%s\n", para->dns1);
        strcat(buf, tmp);
    }
    if(chk2) {
        sprintf(tmp, "server=%s\n", para->dns2);
        strcat(buf, tmp);
    }

    r = file_save(FILE_DNS, buf, strlen(buf))+1;
    if(r==0) {
#if(CHIP_TYPE == CHIP_T113s)
        system("mkdir -p /var/run");
#endif
        system("killall dnsmasq; /usr/sbin/dnsmasq &");
    }

    return r;
}
static int get_net(NetworkInfo_t *para, int ipv)
{
    int r;
    char *p=NULL;
    interface_t intf;
    buf_t fbuf;

    r = file_load(FILE_NET, &fbuf);
    if(r) {
        return -1;
    }
    
    memset(&intf, 0, sizeof(intf));
    get_nic(intf.lo, sizeof(intf.lo), "lo",   fbuf.buf, fbuf.dlen);
    get_nic(intf.e0, sizeof(intf.e0), "eth0", fbuf.buf, fbuf.dlen);
    get_nic(intf.e1, sizeof(intf.e1), "eth1", fbuf.buf, fbuf.dlen);

    p = strstr(intf.e0, (ipv==IP_V4)?"inet":"inet6");
    if(p==NULL) {
        LOGE("___get_ipv%d, %s not found!\n", (ipv==IP_V4)?4:6, (ipv==IP_V4)?"inet":"inet6");
        free(fbuf.buf); return -1;
    }
    
    if(strstr(p, "dhcp")) {
        para->mode = 0;
    }
    else if(strstr(p, "static")) {
        para->mode = 1;
    } else {
        LOGE("___get_net, dhcp/static not found!\n");
        free(fbuf.buf); return -1;
    }

    get_ip(p, "address", para->ip_address, ipv);
    get_ip(p, "netmask", para->mask, ipv);
    get_ip(p, "gateway", para->gateway, ipv);
    free(fbuf.buf);

    r = file_load(FILE_DNS, &fbuf);
    if(r) {
        return -1;
    }
    get_dns(fbuf.buf, para->dns1, para->dns2);

    if (para->mode == 0)
    {
        int r1;
        int family = AF_INET;

        r1 = get_ipaddr(family, DFLT_NIC, para->ip_address, para->mask);
        if (r1)
        {
            LOGE("get_ipaddr failed\n");
        }

        r1 = get_gateway(family, para->gateway);
        if (r1)
        {
            LOGE("get_gateway failed\n");
        }
    }

    return 0;
}
static int nw_check(NetworkInfo_t *para, int ipv)
{
    if(ipv==IP_V4) {
        if((ip_check(para->ip_address)!=IP_V4) || (ip_check(para->mask)!=IP_V4) || (ip_check(para->gateway)!=IP_V4)) {
            return -1;
        }
    }
    else {
        if((ip_check(para->ip_address)!=IP_V6) || (!is_ipv6_prefix(para->mask)) || (ip_check(para->gateway)!=IP_V6)) {
            return -1;
        }
    }

    return 0;
}
static int set_net(NetworkInfo_t *para, int ipv)
{
    int r,ipv2;
    char *p1,*p2,*p3,*p4;
    int flen=100*1000;
    NetworkInfo_t info4,info6,*info;

    get_net(&info4, IP_V4);
    get_net(&info6, IP_V6);

    info = ((ipv==IP_V4)?&info4:&info6);
    
    if(para->mode<2 && para->mode!=info->mode) {
        info->mode = para->mode;
    }
    
    ipv2 = ip_check(para->ip_address);
    if((ipv==ipv2) && strcmp(para->ip_address, info->ip_address)) {
        strcpy(info->ip_address, para->ip_address);
    }
    
    if(ipv==IP_V4) {
        ipv2 = ip_check(para->mask);
    }
    else {
        ipv2=is_ipv6_prefix(para->mask)?IP_V6:IP_ERR;
    }
    if((ipv==ipv2) && strcmp(para->mask, info->mask)) {
        strcpy(info->mask, para->mask);
    }

    ipv2 = ip_check(para->gateway);
    if((ipv==ipv2) && strcmp(para->gateway, info->gateway)) {
        strcpy(info->gateway, para->gateway);
    }
 
    char *fbuf=malloc(flen);
    if(!fbuf) {
        LOGE("___ malloc %d failed\n", flen);
        return -1;
    }

#if 0
    file_load(FILE_NET, fbuf);

    get_nic(pNet->lo, sizeof(pNet->lo), "lo",   fbuf, flen);
    get_nic(pNet->e1, sizeof(pNet->e1), "eth1", fbuf, flen);

    snprintf(pNet->e0, sizeof(pNet->e0), "auto eth0\niface eth0 inet %s\n  address %s\n  netmask %s\n  gateway %s\n\n", 
                              info4.mode?"static":"dhcp", info4.ip_address, info4.mask, info4.gateway);
    strcpy(fbuf, pNet->lo);
    strcat(fbuf, pNet->e0);
    strcat(fbuf, pNet->e1);  
#else
    char *lo="auto lo\niface lo inet loopback\n\n";
    char *eth1="auto eth1\niface eth1 inet dhcp\npre-up /etc/network/nfs_check\nwait-delay 5\nhostname $(hostname)\n";
    char eth0[1000];

    int chk4=nw_check(&info4, IP_V4);
    int chk6=nw_check(&info6, IP_V6);
    char temp[400];

    strcpy(eth0, "auto eth0\n");
    if(chk4==0) {
        sprintf(temp, "iface eth0 inet %s\n  address %s\n  netmask %s\n  gateway %s\n\n",  (info4.mode==IP_STATIC)?"static":"dhcp", info4.ip_address, info4.mask, info4.gateway);
        strcat(eth0, temp);
    }

    if(chk6==0) {
        sprintf(temp, "iface eth0 inet6 %s\n  address %s\n  netmask %s\n  gateway %s\n\n",  (info6.mode==IP_STATIC)?"static":"dhcp", info6.ip_address, info6.mask, info6.gateway);
        strcat(eth0, temp);
    }
    sprintf(fbuf, "%s%s%s", lo, eth0, eth1);
#endif
    //LOGD("___interfaces___:\n%s", fbuf);

    r = file_save(FILE_NET, fbuf, strlen(fbuf)); free(fbuf);

    return r;
}

//////////////////////////////////////////////////////////////////////////////
int sys_set_net(NetworkInfo_t *para, int ipVersion)
{
    int r,ipv;

#ifdef USE_BASH
    char cmd[200];

    snprintf(cmd, sizeof(cmd), "ip addr flush dev %s", DFLT_NIC);
    r = system(cmd);
    if(r) {
        LOGE("set ipaddr failed\n");
        return -1;
    }

    snprintf(cmd, sizeof(cmd), "ip addr add %s/%s dev %s", para->ip_address, para->mask, DFLT_NIC);
    r = system(cmd);
    if(r) {
        LOGE("set netmask %s failed\n", para->mask);
        return -1;
    }

    snprintf(cmd, sizeof(cmd), "ip route add default via %s dev %s", para->gateway, DFLT_NIC);
    r = system(cmd);
    if(r) {
        LOGE("set gateway %s failed\n", para->gateway);
        return -1;
    }

    snprintf(cmd, sizeof(cmd), "ip link set dev %s up", DFLT_NIC);
    r = system(cmd);
    if(r) {
        LOGE("restart %s failed\n", DFLT_NIC);
        return -1;
    }

#elif defined USE_FILE
    NetworkInfo_t para2;
    r = get_net(&para2, ipVersion);
    if(r==0) {
        if(memcmp(para, &para2, sizeof(NetworkInfo_t))==0) {
            LOGW("%s NetworkInfo is same, no need to set\n", DFLT_NIC);
            return -1;
        }
        set_dns(para);
        r = set_net(para, ipVersion);
        if(r==0) {
            //system("ip addr flush dev eth0");
            //sprintf(eth0, "ip link set dev eth0 %s/%d && ip link set eth0 up && ip link set eth0 down", info->ip_address, info->netmask);
            //system(eth0);

            sys_reboot();
            //nic_restart(DFLT_NIC); sys_exit();
        }
    }
    else {
        LOGE("get_net failed\n");
    }

#elif defined USE_API
    if(para->mode==IP_DHCP) {
        r = set_dhcp(1);
    }
    else {
        set_dhcp(0);

        int family=(ipv==IP_V4)?AF_INET:AF_INET6;
        r = set_ipaddr(family, "eth0", para->ip_address, para->mask);
        if(r) {
            LOGE("set_ipaddr failed\n");
            return r;
        }
        
        r = set_gateway(family, para->gateway);
        if(r) {
            LOGE("set_gateway failed\n");
            return r;
        }

        r = set_dns(family, "eth0", para->dns1, para->dns2);
        if(r) {
            LOGE("set_dns failed\n");
            return r;
        }
    }
#endif
    
    return r;
}


int sys_get_net2(NetworkInfo_t *para,int ipVersion)
{
    int r;
    char *p=NULL;
    interface_t intf;
    buf_t fbuf;

    r = file_load(FILE_NET, &fbuf);
    if(r) {
        return -1;
    }
    
    memset(&intf, 0, sizeof(intf));
    get_nic(intf.lo, sizeof(intf.lo), "lo",   fbuf.buf, fbuf.dlen);
    get_nic(intf.e0, sizeof(intf.e0), "eth0", fbuf.buf, fbuf.dlen);
    get_nic(intf.e1, sizeof(intf.e1), "eth1", fbuf.buf, fbuf.dlen);

    p = strstr(intf.e0, (ipVersion==IP_V4)?"inet":"inet6");
    if(p==NULL) {
        LOGE("___get_ipv%d, %s not found!\n", (ipVersion==IP_V4)?4:6, (ipVersion==IP_V4)?"inet":"inet6");
        free(fbuf.buf); return -1;
    }
    
    if(strstr(p, "dhcp")) {
        para->mode = 0;
    }
    else if(strstr(p, "static")) {
        para->mode = 1;
    } else {
        LOGE("___get_net, dhcp/static not found!\n");
        free(fbuf.buf); return -1;
    }
    get_ip(p, "gateway", para->gateway, ipVersion);
    free(fbuf.buf);
    return 0;
}



int sys_get_net(NetworkInfo_t *para, int ipVersion)
{
    int r;
    int family=AF_INET;
#ifdef USE_BASH
    

#elif defined USE_FILE
    r = get_net(para, ipVersion);
#elif defined USE_API  
    r = get_ipaddr(family, DFLT_NIC, para->ip_address, para->mask);
    if(r) {
        LOGE("get_ipaddr failed\n");
        return r;
    }
    
    r = get_gateway(family, para->gateway);
    if(r) {
        LOGE("get_gateway failed\n");
        return r;
    }

    r = get_dns(family, DFLT_NIC, para->dns1, para->dns2);
    if(r) {
        LOGE("get_dns failed\n");
        return r;
    }

#endif

    return r;
}



int system_net(NetworkInfo_t *para)
{
   int r = -1;
   int family=AF_INET;
   r = get_ipaddr(family, DFLT_NIC, para->ip_address, para->mask);
    if(r) {
        LOGE("get_dns failed\n");
        return r;
    }
   family = AF_INET6;
   r = get_ipaddr(family, DFLT_NIC, para->ip_v6_address, para->mask_v6);
    if(r) {
        LOGE("get_dns failed\n");
        return r;
    }
   r = get_gateway(family, para->gateway);
    if(r) {
        LOGE("get_dns failed\n");
        return r;
    }
    buf_t fbuf={0};
    r = file_load(FILE_DNS, &fbuf);
    if(r) {
        return -1;
    }
    get_dns(fbuf.buf, para->dns1, para->dns2);
    return 0;
}




const char *sys_get_ifname(int nic)
{
    const char *ifname[NIC_MAX]={"eth0","eth1","usb0","wlan0"};
    return ifname[nic];
}
int sys_nic_connected(int nic, int timeout)
{
    int fd,r=-1,ret;
    char ipaddr[64];
    sa_family_t family;
    struct ifaddrs *ifap, *ifa;
    const char *dstIP4="8.8.8.8";
    const char *dstIP6="2001:4860:4860::8888";
    const char *ifname=sys_get_ifname(nic);

    if (getifaddrs(&ifap) == -1) {
        LOGE("___getifaddrs error\n");
        return -1;
    }

    fd = socket(AF_INET, SOCK_STREAM, 0);
    if (fd<0) {
        freeifaddrs(ifap);
        return -1;
    }

    for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
        if (ifa->ifa_addr != NULL && strcmp(ifa->ifa_name, ifname)==0) {

            family = ifa->ifa_addr->sa_family;
            if(family==AF_INET) {
                struct sockaddr_in *sin=(struct sockaddr_in *)ifa->ifa_addr;
                
                inet_ntop(family, ifa->ifa_addr, ipaddr, INET6_ADDRSTRLEN);
                if(bind(fd, (struct sockaddr *)sin, sizeof(*sin))==0) {
                    struct timeval tv={timeout/1000,(timeout%1000)*1000};
                    struct sockaddr_in remote={0};

                    setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));

                    remote.sin_family = AF_INET;
                    remote.sin_port = htons(53);
                    inet_pton(AF_INET, dstIP4, &remote.sin_addr);
                    ret = connect(fd, (struct sockaddr *)&remote, sizeof(remote));
                    close(fd);
                    if(ret==0) {
                        r = 0; break;
                    }
                }
            }
            else {
                struct sockaddr_in6 *sin=(struct sockaddr_in6 *)ifa->ifa_addr;
                inet_ntop(family, ifa->ifa_addr, ipaddr, INET6_ADDRSTRLEN);
                if(bind(fd, (struct sockaddr *)sin, sizeof(*sin))==0) {
                    struct timeval tv={timeout/1000,(timeout%1000)*1000};
                    struct sockaddr_in6 remote={0};

                    setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));

                    remote.sin6_family = AF_INET6;
                    remote.sin6_port = htons(53);
                    inet_pton(AF_INET6, dstIP6, &remote.sin6_addr);
                    ret = connect(fd, (struct sockaddr *)&remote, sizeof(remote));
                    close(fd);
                    if(ret==0) {
                        r = 0; break;
                    }
                }  
            }
        }
    }
    freeifaddrs(ifap);

    return r;
}
int sys_bind_nic(int nic, int fd)
{
    struct ifreq ifr;
    const char *ifname=sys_get_ifname(nic);

    memset(&ifr, 0, sizeof(ifr));
    strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
    
    if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,(void *)&ifr, sizeof(ifr)) < 0) {
        LOGE("___setsockopt(SO_BINDTODEVICE) failed\n");
        return -1;
    }
    return 0;
}


int sys_route(int nic, char *gateway)
{
    char tmp[200];
    sprintf(tmp, "ip route add default via %s dev %s", gateway, sys_get_ifname(nic));
    return system(tmp);
}


int sys_is_running(char *prog)
{
    FILE *fp;
    int pid=0;
    char buf[20]={0};
    char command[200];

    snprintf(command, sizeof(command), "ps -ef | grep -v grep | grep -w -c %s", prog);
    fp = popen(command, "r");
    if (fp == NULL) {
        LOGE("execute %s failed: %s", command, strerror(errno));
        return 0;
    }

    if (fgets(buf, sizeof(buf), fp)) {
        pid = atoi(buf);
    }
    pclose(fp);
    
    return (pid)?1:0;
}



int sys_get_disk_ava_MB(char *path)
{
    int r;
    struct statvfs st;

    r = statvfs(path, &st);
    if(r) {
        return -1;
    }

    int avaMB = (st.f_frsize*st.f_bavail)/(1024*1024);
    //int freeMB = (st.f_frsize*st.f_bfree)/(1024*1024);
    //printf("____ava: %dMB, free %dMB\n", avaMB, freeMB);
	LOGD("___ RomAvailable rom: %dMB\n", avaMB);

    return avaMB;
}


int sys_get_mem_ava_MB(void)
{
    int r;
    long v1=0,v2=0;
    char buf[32];
    struct sysinfo info;

#if 0
    r = sysinfo(&info);
    if(r) {
        return -1;
    }
    value = (info.freeram*info.mem_unit)/(1014*1024);
#else

    FILE *fp = fopen("/proc/meminfo", "r");
    if(!fp) {
        return -1;
    }

    fscanf(fp, "MemTotal: %s kB\n", buf);
    
    fscanf(fp, "MemFree: %s kB\n", buf);
    v1 = atol(buf);
    
    fscanf(fp, "MemAvailable: %s kB\n", buf);
    v2 = atol(buf);
    
    fclose(fp);
    LOGD("___MemFree: %ldkB, MemAvailable: %ldkB\n", v1, v2);
    
    v2 /= 1024;
#endif

    return v2;
}


int sys_get_mac(char *mac, int maclen)
{
    int sock;
    struct ifreq ifr;

    if(!mac || maclen<6) {
        return -1;
    }

    sock = socket(AF_INET, SOCK_DGRAM, 0);
    if (sock == -1){
        return -1;
    }

    strcpy(ifr.ifr_name, "eth0");
    if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0){
        close(sock); return -1;
    }
    close(sock);

    uint8_t *p = (uint8_t*)ifr.ifr_hwaddr.sa_data;
    snprintf(mac, maclen, "%02x%02x%02x%02x%02x%02x", p[0], p[1], p[2], p[3], p[4], p[5]);

    return 0;
}

int sys_get_chip_id(int *id)
{
    int sock;
    struct ifreq ifr;

    if(!id) {
        return -1;
    }

    sock = socket(AF_INET, SOCK_DGRAM, 0);
    if (sock == -1){
        return -1;
    }

    strcpy(ifr.ifr_name, "eth0");
    if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0){
        close(sock); return -1;
    }
    close(sock);

    *id = *((int*)ifr.ifr_hwaddr.sa_data);
    return 0;
}


int sys_ip_check(char *ip)
{
    return ip_check(ip);
}




///////////////////////////////////////////////////////////////////////
#define MAX_BUFFER_SIZE 4096
static void* plug_thread(void *arg)
{
    int nlSock;
    struct sockaddr_nl srcAddr;
    struct nlmsghdr *nlMsg;
    char buffer[MAX_BUFFER_SIZE];
    int plug_in=0,plug_out=0;
    thread_handle_t *h=(thread_handle_t*)arg;

    printf("___plug_thread start\n");

    nlSock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
    if (nlSock < 0) {
        printf("Failed to create Netlink socket");
        goto quit;
    }

    memset(&srcAddr, 0, sizeof(srcAddr));
    srcAddr.nl_family = AF_NETLINK;
    srcAddr.nl_groups = RTMGRP_LINK | RTMGRP_NOTIFY;

    if (bind(nlSock, (struct sockaddr *)&srcAddr, sizeof(srcAddr)) < 0) {
        perror("Failed to bind Netlink socket");
        close(nlSock);
        goto quit;
    }

	int flags = fcntl(nlSock, F_GETFL, 0);
    fcntl(nlSock, F_SETFL, flags | O_NONBLOCK);

    while (h->quit==0) {
        fd_set readSet;
        FD_ZERO(&readSet);
        FD_SET(nlSock, &readSet);

        // 设置超时时间为 1 秒
        struct timeval timeout;
        timeout.tv_sec = 1;
        timeout.tv_usec = 0;

        // 监视 Netlink Socket 的可读状态
        int result = select(nlSock + 1, &readSet, NULL, NULL, &timeout);
        if (result == -1) {
            perror("Failed to select");
            goto quit;
        } else if (result == 0) {
            // 超时，没有新数据到达
            //printf("Timeout\n");
            continue;
        }

        if (FD_ISSET(nlSock, &readSet)) {
            // 接收消息
            int bytesRead = recv(nlSock, buffer, MAX_BUFFER_SIZE, 0);
            if (bytesRead < 0) {
                perror("Failed to receive message from Netlink socket");
                close(nlSock);
                goto quit;
            }

            // 遍历接收到的消息,获取到Netlink的消息头。
            nlMsg = (struct nlmsghdr *)buffer;
            while (NLMSG_OK(nlMsg, bytesRead)) {
                if (nlMsg->nlmsg_type == NLMSG_DONE) {
                    break;
                }

                if (nlMsg->nlmsg_type == RTM_NEWLINK || nlMsg->nlmsg_type == RTM_DELLINK) {
                    //NLMSG_DATA()获取完整的ifinfomsg结构体的指针
                    //根据消息头nlMsg获取到其后面的数据部分ifinfomsg结构体的指针
                    struct ifinfomsg *ifInfo = (struct ifinfomsg *)NLMSG_DATA(nlMsg);
                    if (ifInfo->ifi_family == AF_UNSPEC) {
                        //获取路由信息的属性，以及消息负载的长度，通过这两个参数来判断本次的数据是否有效
                        struct rtattr *attribute = IFLA_RTA(ifInfo);
                        int attributeLen = IFLA_PAYLOAD(nlMsg);
                        
                        while (RTA_OK(attribute, attributeLen)) {
                            char *ifaceName = (char *)RTA_DATA(attribute);
                            if ((attribute->rta_type == IFLA_IFNAME) && (strcmp(ifaceName, "eth0")==0)) {
                            
                                //printf("____Interface: %s \n", ifaceName);
                                if((ifInfo->ifi_flags & IFF_LOWER_UP)) {
                                    if(plug_in==0) {
                                        system("ifup eth0");
                                        printf("____eth0 plug in\n");
                                        plug_in = 1; plug_out = 0;
                                    }
                                }
                                else  {
                                    if(plug_out==0) {
                                        system("ifdown eth0");
                                        printf("____eth0 plug out\n");
                                        plug_in = 0; plug_out = 1;
                                    }
                                }
                            }
                            attribute = RTA_NEXT(attribute, attributeLen);
                        }
                    }
                }
                nlMsg = NLMSG_NEXT(nlMsg, bytesRead);
            }
        }
    }

    close(nlSock);

quit:
    printf("___plug_thread exit\n");
    pthread_exit(NULL);
}
///////////////////////////////////////////////////////////

//#define RAM_DEBUG
//#define ROM_DEBUG

#ifdef RAM_DEBUG
    #define RAM_THRD        50
    #define RAM_PERIOD      1
#else
    #if(CHIP_TYPE == CHIP_T113s)
        #define RAM_THRD        15
        #define RAM_PERIOD      30
    #else
        #define RAM_THRD        50
        #define RAM_PERIOD      60
    #endif
#endif

#ifdef ROM_DEBUG
    #define ROM_THRD        50
    #define ROM_PERIOD      1
#else
    #if(CHIP_TYPE == CHIP_T113s)
        #define ROM_THRD        30
        #define ROM_PERIOD      40
    #else
        #define ROM_THRD        200
        #define ROM_PERIOD      50
    #endif
#endif

static void mem_check(void)
{
    int avaMB,flag=0;
    static uint32_t mem_cnt=0;

    mem_cnt++;
    if(mem_cnt%RAM_PERIOD==0) {
        avaMB = sys_get_mem_ava_MB();
        if(avaMB<RAM_THRD) {
            LOGE("___ free mem less than %dMB, reboot now ...\n", RAM_THRD);
            sys_reboot();
        }
    }

    if(mem_cnt%ROM_PERIOD==0) {
#if(CHIP_TYPE != CHIP_T113s)
        avaMB = sys_get_disk_ava_MB("/mnt/UDISK");
#else
        avaMB = sys_get_disk_ava_MB("/mnt/UDISK");
#endif
        if(avaMB<ROM_THRD) {
            flag = 1;
        }
        dev_sql_set_overwrite(flag);
    }
}


#include "mail.h"
#define SEND_PERIOD (5*60)
static int get_range(struct tm *t, time_t *from, time_t *to, int days)
{
    time_t x1,x2;
    struct tm t2=*t;
    time_t start=mktime0(),secs=3600*24*days;
   
    t2.tm_hour = 0;
    t2.tm_min = 0;
    t2.tm_sec = 0;

    x2 = mktime(&t2)-1;
    if((x2-start)<=secs) {
        x1 = start;
    }
    else {
        x1 = x2-secs+1;
    }

    *from = x1;
    *to = x2;
    return 0;
}
struct tm* get_curtime(void)
{
    time_t cur = time(NULL);
    return localtime(&cur);
}
#define TMP_DIR  "/tmp/pdu"
static int tmp_create(void)
{
    return mkdir(TMP_DIR, 0777);
}
static int tmp_remove(void)
{
    char cmd[100];
    sprintf(cmd, "rm -f %s/* > /dev/null", TMP_DIR);
    return system(cmd);
}
static void send_by_mail(struct tm *tm, char *dir)
{
    int r=-1;
    char temp[200],sub[100];
    char tmp1[100],tmp2[100];
    char path[400];
    GlobalDeviceManager *dm=&__globalDeviceManage;
    ProductInfo_t *prod=&dm->_globalDevInfo.product;
    static time_t sended_id=0;

    time_t from,to;
    get_range(tm, &from, &to, 1);
    if(sended_id != from) {
        path[0] = 0;
        get_time_str2(tmp1,sizeof(tmp1),from);
        get_time_str2(tmp2,sizeof(tmp2),to);

        sprintf(temp, "%s/log_run_%s_%s.txt", dir, tmp1, tmp2);
        r = dev_log_xport(0, from, to, temp);
        if(r==0) {
            strcat(path, temp);strcat(path, ";");
            log_d("___ run log export ok\n");
        }
        else {
            log_d("___ run log export failed\n");
        }

        sprintf(temp, "%s/log_opr_%s_%s.txt", dir, tmp1, tmp2);
        r = dev_log_xport(1, from, to, temp);
        if(r==0) {
            strcat(path, temp);strcat(path, ";");
            log_d("___ opr log export ok\n");
        }
        else {
            log_e("___ opr log export failed\n");
        }
        
        sprintf(temp, "%s/power_%s_%s.csv", dir, tmp1, tmp2);
        r = dev_power_xport(from, to, temp);
        if(r==0) {
            strcat(path, temp);strcat(path, ";");
            log_d("___ power export ok\n");
        }
        else {
            log_e("___ power export failed\n");
        }

        if(r==0) {
            sprintf(sub, "%s %d power and log data", prod->name, prod->id);
            r = mail_send(sub, NULL, path);
            if(r==0) {
                tmp_remove();
                sended_id = from;
            }
        }
    }
}
static void send_check(void)
{
    static int file_flag=0;
    static uint32_t send_cnt=0;
 
    send_cnt++;
    if(send_cnt%SEND_PERIOD==0) {
        struct tm *tm=get_curtime();

        if(tm->tm_hour==0) {
            send_by_mail(tm, TMP_DIR);
            file_flag = 1;
        }
        else if(tm->tm_hour==1 && file_flag) {
            tmp_remove();
            file_flag = 0;
            SMS_SEND_COUNT=0;
        }
    }
}


//https://blog.csdn.net/weixin_47604497/article/details/136913868
#include <linux/watchdog.h>
static int wdog_fd=-1;
static int wdog_is_en(void)
{
    GlobalDeviceManager *dm=&__globalDeviceManage;
    MiscInfo_t *misc=&dm->_globalDevInfo.misc;

    return misc->watchdog;
}

int sys_wdog_init(void)
{
    int r=0;

    if(wdog_is_en()) {
        char *path="/dev/watchdog";

        if(wdog_fd<0) {
            wdog_fd = open(path, O_RDWR);   //O_WRONLY
            if(wdog_fd<0) {
                printf("___ %s open failed\n", path);
                return -1;
            }
        }

#if (CHIP_TYPE == CHIP_T113s)
        int i,option,timeout;
        struct watchdog_info info;
        
        option = WDIOS_DISABLECARD;
        r = ioctl(wdog_fd, WDIOC_SETOPTIONS, &option);

        r = ioctl(wdog_fd, WDIOC_GETSUPPORT, &info);
        if(r<0) {
            log_w("___ %s getsupport failed\n", path);
            return -1;
        }
        log_d("___ watchdog options: 0x%x\n", info.options&WDIOC_SETTIMEOUT);

        timeout = 40;
        r = ioctl(wdog_fd, WDIOC_SETTIMEOUT, &timeout);
        if(r) {
            log_w("______set__________ wdog set timeout: %d failed, errno: %d\n", timeout, errno);
        }

        option = WDIOS_ENABLECARD;
        r = ioctl(wdog_fd, WDIOC_SETOPTIONS, &option);
#endif
    }

    return r;
}
int sys_wdog_feed(void)
{
    int r=0;

    if(wdog_is_en()) {
        r = ioctl(wdog_fd, WDIOC_KEEPALIVE, 0);

        //int t1=200,t2=0;
        //r = ioctl(wdog_fd, WDIOC_SETTIMEOUT, &t1);
        //printf("______set__________ wdog timeout: %d, errno: %d\n", r, errno);
        
        //r = ioctl(wdog_fd, WDIOC_GETTIMEOUT, &t2);
        //printf("________________ wdog timeout: %d\n", t2);
    }

    return r;
}
int sys_wdog_en(int flag)
{
    if(wdog_is_en()) {
        write(wdog_fd, flag?"1":"0", 1);
    }
    return 0;
}


static void sig_handler(int signo)
{
    LOGD("___sig_handler, signo: %d\n", signo);
    sys_wdog_en(0);
}
static void exit_handler(void)
{
    LOGD("___exit_handler\n");
    sys_wdog_en(0);
}
static void sig_init(void)
{
    signal(SIGINT,  sig_handler);
    signal(SIGTERM, sig_handler);
    signal(SIGKILL, sig_handler);
    signal(SIGABRT, sig_handler);
    signal(SIGFPE,  sig_handler);
    signal(SIGSEGV, sig_handler);
    signal(SIGILL,  sig_handler);
    signal(SIGQUIT, sig_handler);
    signal(SIGHUP,  sig_handler);
    signal(SIGBUS,  sig_handler);
    atexit(exit_handler);
}

static void* polling_thread(void *arg)
{
    thread_handle_t *h=(thread_handle_t*)arg;
    
    tmp_create();
    while(h->quit==0) {
        net_check();
        mem_check();
#if(CHIP_TYPE != CHIP_T113S)
        send_check();
#endif
        sleep(1);
    }
    pthread_exit(NULL);
}

static char *str_get(char *buf, char *tok, char *dst, int dstlen)
{
    int n=0;
    char *t=dst,*p=strstr(buf,tok);
    if(!p) {
        return NULL;
    }
    while((*p)!=':') {
        if((*p)=='\r' || (*p)=='\n') {
            return NULL;
        }
        p++;
    }
    p++;

    while((*p)!='"') {
        if((*p)=='\r' || (*p)=='\n') {
            return NULL;
        }
        p++;
    }
    p++;

    while((*p)!='"') {
        if((*p)=='\r' || (*p)=='\n') {
            return NULL;
        }

        *dst++ = *p++;
        n++;
        if(n>=dstlen-1) {
            LOGE("str_get %s, dst buf length %d is too small!\n", tok, dstlen);
            return NULL;
        }
    }
    *dst = 0;

    return t;
}

int sys_get_prod(GlobalDeviceInfo *info)
{
    int r;
    char *p,*tok;
    buf_t fbuf;
    char path[100]={0};

    r = file_load(INFO_FILE_PATH, &fbuf);
    if(r) {
        return -1;
    }

    tok = "product_name";
    p = str_get(fbuf.buf, tok, info->product.pname, sizeof(info->product.pname));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "product_sn";
    p = str_get(fbuf.buf, tok, info->product.pnumber, sizeof( info->product.pnumber));
    if(p) LOGD("___%s:%s\n", tok, p);

#if 0
    tok = "device_name";
    p = str_get(fbuf.buf, tok, info->product.name, sizeof( info->product.name));
    if(p) LOGD("___%s:%s\n", tok, p);
#endif

    tok = "device_no";
    p = str_get(fbuf.buf, tok, info->product.number, sizeof(info->product.number));
    if (p)
        LOGD("___%s:%s\n", tok, p);

    tok = "device_date";
    p = str_get(fbuf.buf, tok,  info->product.date, sizeof(info->product.date));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "device_batch";
    p = str_get(fbuf.buf, tok, info->product.batch, sizeof(info->product.batch));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "service_name";
    p = str_get(fbuf.buf, tok, info->service.name, sizeof(info->service.name));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "service_site";
    p = str_get(fbuf.buf, tok, info->service.site, sizeof(info->service.site));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "service_mail";
    p = str_get(fbuf.buf, tok, info->service.mail, sizeof(info->service.mail));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "service_address";
    p = str_get(fbuf.buf, tok, info->service.addr, sizeof(info->service.addr));
    if(p) LOGD("___%s:%s\n", tok, p);

    tok = "service_telephone";
    p = str_get(fbuf.buf, tok, info->service.tele, sizeof(info->service.tele));
    if(p) LOGD("___%s:%s\n", tok, p);

    sys_get_path(path, "../web/img/shdh.png");
    r = qrc_to_png(info->service.tele, path);

    sys_get_path(path, "../web/img/sbh.png");
    r = qrc_to_png(info->product.number, path);

    free(fbuf.buf);
    return 0;
}

int sys_chmod(void)
{
    DIR *dir;
    char path[200];
    struct stat st;
    struct dirent *entry;

    sys_get_path(path, NULL);
    dir = opendir(path);
    if(!dir) {
        return -1;
    }

    chdir(path);
    while ((entry=readdir(dir))) {
        lstat(entry->d_name, &st);
        if(S_ISDIR(st.st_mode)) {
            continue;
        }
        chmod(entry->d_name, S_IRWXG);
    }
    closedir(dir);

    return 0;
}


//#include <sys/sysinfo.h>
int sys_heap_remain(void)
{
    //long pages = sysconf(_SC_AVPHYS_PAGES); // 可用物理页数
    //long page_size = sysconf(_SC_PAGESIZE); // 页面大小
    //long memory_free = pages * page_size;

    return 0;
}




int sys_get_ip_ver(char *addr)
{
    return ip_check(addr);
}


static int net_check(void)
{
    int r,pid;
    char tmp[200],path[100];
    char ipaddr[64],mask[64];
    NetworkInfo_t net4,net6;
    static uint32_t dhcp_cnt=0;

    if(dhcp_cnt%10==0) {
        //printf("__ dhcp check\n");
        r = get_net(&net4, IP_V4);
        if(r==0) {
            r = get_ipaddr(AF_INET, DFLT_NIC, ipaddr, mask);
            if(r) {
                if(net4.mode==IP_DHCP) {
#if(CHIP_TYPE == CHIP_T113s)
                    // pid = get_pid("udhcpc");
                    // printf("___udhcpc pid: %d\n", pid);
                    // if(pid>=0) {
                    //     kill(pid, SIGUSR2);
                    // }
#else
                    set_dhcp(1);
#endif
                }
                else {
                    sprintf(tmp, "ifconfig %s %s up", DFLT_NIC, ipaddr);
                    system(tmp);
                }
            }
        }

        r = get_net(&net6, IP_V6);
        if(r==0) {
            r = get_ipaddr(AF_INET6, DFLT_NIC, ipaddr, mask);
            if(r) {
                if(net6.mode==IP_DHCP) {
                    pid = get_pid("udhcpc6");
                    //printf("___udhcpc6 pid: %d\n", pid);
                    if(pid>=0) {
                        kill(pid, SIGUSR2);
                    }
                }
                else {
                    sprintf(tmp, "ip addr add %s/%s dev %s", ipaddr, mask, DFLT_NIC);
                    system(tmp);
                    sprintf(tmp, "ip link set dev %s up", DFLT_NIC);
                    system(tmp);
                }
            }
        }
    }
    dhcp_cnt++;

    return 0;
}


static void net_init(void)
{
    nic_set_mac();
}


static int get_pid(char *proc)
{
    DIR *dir;
    int pid=-1;
    struct dirent *entry;
 
    dir = opendir("/proc");
    if (!dir) {
        return -1;
    }
 
    while ((entry = readdir(dir))) {
        if (entry->d_type != DT_DIR || !isdigit(entry->d_name[0])) {
            continue;
        }
 
        char path[500];
        snprintf(path, sizeof(path), "/proc/%s/cmdline", entry->d_name);
        FILE *f = fopen(path, "r");
        if (f) {
            char cmd[64];
            if (fgets(cmd, sizeof(cmd), f) && strstr(cmd, proc)) {
                pid = atoi(entry->d_name);
                break;
            }
            fclose(f);
        }
    }
 
    closedir(dir);
    return pid;
}
int sys_kill(char *proc)
{
    int status;
    int pid=get_pid(proc);
    if(pid<0) {
        return -1;
    }
    kill(pid, SIGKILL);
    waitpid(pid, &status, 0);
    return 0;
}
int sys_restart_app(void)
{
#if (CHIP_TYPE == CHIP_T113s)
    return system("reboot -f");
#else
    return system("/etc/init.d/S90PDUApp restart");
#endif
}


#include "ui.h"

int sys_init(void)
{
    //sig_init();
    initLogger();
    lock_s_init();
    paras_init();

    sys_chmod();
    init_hash_table();

    //net_init();
    ui_init();
    thread_start(THREAD_ID_POLLING, polling_thread, NULL);

    return 0;
}


int sys_exit(void)
{
    //abort();
    exit(0);
    return 0;
}