-(void)checkNetworkflow{ struct ifaddrs *ifa_list = 0, *ifa; if (getifaddrs(&ifa;_list) == -1) { return; } uint32_t iBytes = 0; uint32_t oBytes = 0; uint32_t allFlow = 0; uint32_t wifiIBytes = 0; uint32_t wifiOBytes = 0; uint32_t wifiFlow = 0; uint32_t wwanIBytes = 0; uint32_t wwanOBytes = 0; uint32_t wwanFlow = 0; struct timeval time ; 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. // network flow 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; allFlow = iBytes + oBytes; time = if_data->ifi_lastchange; } //wifi flow if (!strcmp(ifa->ifa_name, "en0")) { struct if_data *if_data = (struct if_data *)ifa->ifa_data; wifiIBytes += if_data->ifi_ibytes; wifiOBytes += if_data->ifi_obytes; wifiFlow = wifiIBytes + wifiOBytes; } //3G and gprs flow if (!strcmp(ifa->ifa_name, "pdp_ip0")) { struct if_data *if_data = (struct if_data *)ifa->ifa_data; wwanIBytes += if_data->ifi_ibytes; wwanOBytes += if_data->ifi_obytes; wwanFlow = wwanIBytes + wwanOBytes; } } freeifaddrs(ifa_list); }