109 lines
3.7 KiB
Java
109 lines
3.7 KiB
Java
// EchoServer.java
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import java.io.*;
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import java.net.*;
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public class EchoServer implements Runnable
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{
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Socket socket=null;
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static ServerSocket ss;
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EchoServer(Socket newSocket)
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{
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this.socket=newSocket;
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}
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public static void main(String args[]) throws IOException
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{
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ss=new ServerSocket(7000);
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System.out.println("Server Started");
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while(true)
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{
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Socket s = ss.accept();
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EchoServer es = new EchoServer(s);
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Thread t = new Thread(es);
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t.start();
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}
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}
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public void run()
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{
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try
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{
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BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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while(true)
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{
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System.out.println(in.readLine());
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}
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}
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catch(Exception e)
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{}
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}
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}
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// EchoClientOne.java
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import java.io.*;
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import java.net.*;
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public class EchoClientOne
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{
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public static void main(String args[])throws IOException
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{
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Socket s=new Socket("localhost",7000);
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PrintStream out = new PrintStream(s.getOutputStream());
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ServerSocket ss = new ServerSocket(7001);
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Socket s1 = ss.accept();
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BufferedReader in1 = new BufferedReader(new InputStreamReader(s1.getInputStream()));
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PrintStream out1 = new PrintStream(s1.getOutputStream());
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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String str="Token";
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while(true)
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{
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if(str.equalsIgnoreCase("Token"))
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{
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System.out.println("Do you want to send some data");
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System.out.println("Enter Yes or No");
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str=br.readLine();
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if(str.equalsIgnoreCase("Yes"))
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{
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System.out.println("Enter the data");
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str=br.readLine();
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out.println(str);
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}
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out1.println("Token");
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}
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System.out.println("Waiting for Token");
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str=in1.readLine();
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}
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}
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}
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// EchoClientTwo.java
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import java.io.*;
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import java.net.*;
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public class EchoClientTwo
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{
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public static void main(String args[])throws IOException
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{
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Socket s=new Socket("localhost",7000);
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PrintStream out = new PrintStream(s.getOutputStream());
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Socket s2=new Socket("localhost",7001);
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BufferedReader in2 = new BufferedReader(new InputStreamReader(s2.getInputStream()));
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PrintStream out2 = new PrintStream(s2.getOutputStream());
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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String str;
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while(true)
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{
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System.out.println("Waiting for Token");
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str=in2.readLine();
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if(str.equalsIgnoreCase("Token"))
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{
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System.out.println("Do you want to send some data");
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System.out.println("Enter Yes or No");
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str=br.readLine();
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if(str.equalsIgnoreCase("Yes"))
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{
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System.out.println("Enter the data");
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str=br.readLine();
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out.println(str);
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}
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out2.println("Token");
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}
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}
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}
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}
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