48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
package com.haobang.syslog;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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public class TestSyslogServer {
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public static void main(String[] args) throws Throwable {
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// TODO Auto-generated method stub
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DatagramSocket datagramSocket = new DatagramSocket(514);
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while (true) {
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DatagramPacket packet = new DatagramPacket(new byte[1000], 1000);
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try {
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//不会造成死循环，因为receive是阻塞式方法，若发送方不发送数据，则阻塞在该处
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datagramSocket.receive(packet);
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String msg = new String(packet.getData(), 0, packet.getLength());
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//handelMessage(msg);
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System.out.println(packet.getAddress() + "/" + packet.getPort() + ":" + msg);
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packet.setData("I am server!!!".getBytes());
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datagramSocket.send(packet);
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Thread.sleep(1000);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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public static void handelMessage(String messageFragment){
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StringBuilder currentMessage = new StringBuilder();
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boolean isSplitMessage = messageFragment.endsWith("..."); // 根据拆分标志判断消息是否被拆分
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if (isSplitMessage) {
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// 拆分的消息片段，将其合并到当前消息
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currentMessage.append(messageFragment.substring(0, messageFragment.length() - 3));
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} else {
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// 完整的消息，处理并重置当前消息
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currentMessage.append(messageFragment);
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handleCompleteMessage(currentMessage.toString());
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currentMessage.setLength(0);
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}
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}
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public static void handleCompleteMessage(String completeMessage){
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System.out.println("接收到完整消息：" + completeMessage);
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}
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}
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