wifi 3G 流量

//

//  flowStatis.c

//  Test

//

//  Created by iXcoder on 12-7-19.

//  Copyright (c) 2012年 iXcoder. All rights reserved.

//

#import <Foundation/Foundation.h>

#include <stdio.h>

#include <ifaddrs.h>

#include <sys/socket.h>

#include <net/if.h>

//3G流量统计

int getGprs3GFlowIOBytes() {

    

    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;

        if (!strcmp(ifa->ifa_name,"pdp_ip0")) {

            struct if_data *if_data = (struct if_data*)ifa->ifa_data;

            iBytes += if_data->ifi_ibytes;

            oBytes += if_data->ifi_obytes;

NSLog(@"%s :iBytes is %d, oBytes is %d",ifa->ifa_name, iBytes, oBytes);

        }

    }

    freeifaddrs(ifa_list);

    return iBytes + oBytes;

}

//Wifi流量统计

- (long long int)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;

        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;

            NSLog(@"%s :iBytes is %d, oBytes is %d", ifa->ifa_name, iBytes, oBytes);

        }

    }

    freeifaddrs(ifa_list);

    return iBytes+oBytes;

}

将流量值写入文件，或SQLite，或使用CoreData，方便按天、周、月统计。