Java ping 主机 端口

22:04:08.002 [main] INFO  Ping - 目标地址   192.168.1.107 是否可到达:true
22:04:08.006 [main] INFO  Ping - 执行命令   ping 192.168.1.107 -n 4 -w 5000
22:04:11.085 [main] INFO  Ping - 目标地址   192.168.1.107 是否可PING通:true
22:04:11.140 [main] INFO  Ping -
22:04:11.140 [main] INFO  Ping - 正在 Ping 192.168.1.107 具有 32 字节的数据:
22:04:11.141 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64
22:04:12.141 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64
22:04:13.142 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64
22:04:14.144 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64
22:04:14.144 [main] INFO  Ping -
22:04:14.144 [main] INFO  Ping - 192.168.1.107 的 Ping 统计信息:
22:04:14.144 [main] INFO  Ping -     数据包: 已发送 = 4，已接收 = 4，丢失 = 0 (0% 丢失)，
22:04:14.144 [main] INFO  Ping - 往返行程的估计时间(以毫秒为单位):
22:04:14.144 [main] INFO  Ping -     最短 = 0ms，最长 = 0ms，平均 = 0ms

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.log4j.Logger;
import org.junit.Test;

public class Ping {

    private static final Logger LOGGER = Logger.getLogger(Ping.class);

    @Test
    public void scanPortTest() {

        scanPort("192.168.1.107", 9200);

//        for (int i = 1000; i <= 9999; i++) {
//            scanPort("127.0.0.1", i);
//        }
    }

    public void scanPort(String ipAddress, int port) {
        Socket client = null;
        try {
            client = new Socket();
            client.connect(new InetSocketAddress(ipAddress, port), 300);
            LOGGER.info(ipAddress + ":" +port);
        } catch (IOException e) {
            LOGGER.error("端口：" + port + " 异常  " + e);
        } finally {
            try {
                client.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    @Test
    public void discoveryTest() throws Exception {
        Discovery("192.168.1", 1, 254);
    }

    private static List<String> Discovery(String networkSection, int start, int end) throws Exception {
        for (int i = start; i <= end; i++) {
            String ipAddress = networkSection + "." + i;
            ping(ipAddress);
        }
        return null;
    }

    private static boolean ping(String ipAddress) throws Exception {
        // 超时应该在3钞以上
        int timeOut = 3000;
        // 当返回值是true时，说明host是可用的，false则不可。
        boolean status = InetAddress.getByName(ipAddress).isReachable(timeOut);
        LOGGER.info("目标地址   " + ipAddress + " 是否可到达:" + status);
        return status;
    }

    private static void ping02(String ipAddress) throws Exception {
        String line = null;
        try {
            Process pro = Runtime.getRuntime().exec("ping " + ipAddress);
            InputStreamReader isr = new InputStreamReader(pro.getInputStream(), "GBK");
            BufferedReader buf = new BufferedReader(isr);
            while ((line = buf.readLine()) != null)
                LOGGER.info(line);
        } catch (Exception ex) {
            LOGGER.error(ex.getMessage());
        }
    }

    private static boolean ping(String ipAddress, int pingTimes, int timeOut) {
        BufferedReader in = null;
        // 将要执行的ping命令,此命令是windows格式的命令
        Runtime r = Runtime.getRuntime();
        String pingCommand = "ping " + ipAddress + " -n " + pingTimes + " -w " + timeOut;
        try { // 执行命令并获取输出
            LOGGER.info("执行命令   " + pingCommand);
            Process p = r.exec(pingCommand);
            if (p == null) {
                return false;
            }
            in = new BufferedReader(new InputStreamReader(p.getInputStream()));
            int connectedCount = 0;
            String line = null;
            while ((line = in.readLine()) != null) {
                connectedCount += getCheckResult(line);
            } // 如果出现类似=23ms TTL=62这样的字样,出现的次数=测试次数则返回真
            boolean flag = connectedCount == pingTimes;
            LOGGER.info("目标地址   " + ipAddress + " 是否可PING通:" + flag);
            return flag;
        } catch (Exception ex) {
            LOGGER.error(ex);
            return false;
        } finally {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    // 若line含有=18ms TTL=16字样,说明已经ping通,返回1,否則返回0.
    private static int getCheckResult(String line) {
        Pattern pattern = Pattern.compile("(\\d+ms)(\\s+)(TTL=\\d+)", Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(line);
        while (matcher.find()) {
            return 1;
        }
        return 0;
    }

    @Test
    public void pingTest() throws Exception {
        String ipAddress = "192.168.1.107";
        ping(ipAddress);
        ping(ipAddress, 4, 5000);
        ping02(ipAddress);
    }
}