(long long) getInterfaceBytes { struct ifaddrs *ifa_list = 0, *ifa; if (getifaddrs(&ifa_list) == -1) { return 0; }

uint32_t iBytes = 0; uint32_t oBytes = 0;

for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) { if (AF_LINK != ifa->ifa_addr->sa_family) continue;

if (!(ifa->ifa_flags & IFF_UP) && !(ifa->ifa_flags & IFF_RUNNING))      continue;    if (ifa->ifa_data == 0)      continue;    /* Not a loopback device. */  if (strncmp(ifa->ifa_name, "lo", 2))  {      struct if_data *if_data = (struct if_data *)ifa->ifa_data;            iBytes += if_data->ifi_ibytes;      oBytes += if_data->ifi_obytes;  }复制代码

} freeifaddrs(ifa_list);

NSLog(@"\n[getInterfaceBytes-Total]%d,%d",iBytes,oBytes); return iBytes + oBytes; }