实验六-基于协议的网络编程

1、实验六 基于协议的网络编程实验六 基于协议的网络编程实验目的：1、理解网络协议编程的根本原理；2、学会基于协议编程的设计思路和技术；3、掌握基于协议编程的具体应用。实验要求：1、建立一个的基于协议编程的 JAVA 工程；2、建立协议编程的 JAVA 类，并能正确运行且能实现协议通信；3、对 JAVA 类的功能进行拓广，使基于协议编程用于某一具体的应用。 实验内容：1、建立工程和 JAVA 类，类程序的原代码为：import java.io.*;import .*;public class ClientMainTest public static void main(String args) t

2、hrows IOException Socket kkSocket = null;PrintWriter out = null;BufferedReader in = null;try kkSocket = new Socket("ss", 5555);out = new PrintWriter(), true);in = new BufferedReader(new InputStreamReader();catch (UnknownHostException e) ("Don't know about host: ss");(1);catch

3、 (IOException e) ("Couldn't get I/O for the connection ");(1);BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in); String fromServer;String fromUser;while ( (fromServer = () != null) ("Server: " + fromServer);if ("Bye.") break;fromUser = ();if

4、 (fromUser != null) ("Client: " + fromUser);(fromUser);();();();();/import java.io.*;import .*;public class MultiServerTest public static void main(String args) throws IOException ServerSocket serverSocket = null;boolean listening = true;try serverSocket = new ServerSocket(5555);catch (IOE

5、xception e) ("Could not listen on port: 5555.");( -1);while (listening) new MultiServerThreadTest().start();();/import java.io.*;import .*;public class MultiServerThreadTestextends Thread private Socket socket = null;public MultiServerThreadTest(Socket socket) super("MultiServerThread

6、Test");= socket;public void run() try PrintWriter out = new PrintWriter(), true);BufferedReader in = new BufferedReader(new InputStreamReader();String inputLine, outputLine;ServerProtocolTest kkp = new ServerProtocolTest(); outputLine = (null);(outputLine);while ( (inputLine = () != null) outpu

7、tLine = (inputLine); (outputLine); if ("Bye") break;();();();catch (IOException e) ();/ /public class ServerProtocolTest private static final int WAITING = 0;private static final int SENTKNOCKKNOCK = 1;private static final int SENTCLUE = 2;private static final int ANOTHER = 3;private stati

8、c final int NUMJOKES = 5;private int state = WAITING;private int currentJoke = 0;private String clues = "1", "2","3", "4", "5"private String answers = "6", "7" "8" "10"public String processInput(String theInput

9、) String theOutput = null;if (state = WAITING) theOutput = "Holle"state = SENTKNOCKKNOCK;else if (state = SENTKNOCKKNOCK) if (" 你好！ ") theOutput = cluescurrentJoke;state = SENTCLUE;else theOutput = "8888888"else if (state = SENTCLUE) if (cluescurrentJoke + " string

10、98") theOutput = answerscurrentJoke + " yyyyy" state = ANOTHER;else theOutput = "rrrrrr" +"hhhhhhhhhh"state = SENTKNOCKKNOCK;else if (state = ANOTHER) if ("y") theOutput = "565656"if (currentJoke = (NUMJOKES - 1) currentJoke = 0;else currentJoke+;state = SENTKNOCKKNOCK;else theOutput = "Bye."state = WAITING;return theOutput;/ /2、调试使以上工