package com.kale.floating.net;

import java.net.Inet4Address;

import java.net.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.Enumeration;

import com.kale.floating.MainFloatActivity;

import android.content.Context;

import android.net.wifi.WifiInfo;

import android.net.wifi.WifiManager;

import android.util.Log;

/**

 * @author:金凯

 * @tips  :用来获取手机拨号上网（包括CTWAP和CTNET）时由PDSN分配给手机终端的源IP地址

 * @date  :2014-1-17

 */

public class NetManager {

    //得到ip地址

    public String getPsdnIp() {

        String message = new String("未查询到IP地址，请检测网络状态");

        try {

            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {

                NetworkInterface intf = en.nextElement();

                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {

                    InetAddress inetAddress = enumIpAddr.nextElement();

                    //不加判断则会得到IPV6的地址，下面的判断是来得到IPV4的地址

                    if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {

                    //if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet6Address)

                        message = new String(inetAddress.getHostAddress().toString());

                    }

                }

            }

        }

        catch (SocketException e) {

        }

        return message;

    }

}