74 lines
2.1 KiB
Java
74 lines
2.1 KiB
Java
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package edu.grcc;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.net.ServerSocket;
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import java.net.Socket;
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public class SimpleServerProgram {
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public static void main(String args[]) {
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ServerSocket listener = null;
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String line;
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BufferedReader is;
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BufferedWriter os;
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Socket socketOfServer = null;
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// Try to open a server socket on port 7777
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// Note that we can't choose a port less than 1023 if we are not
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// privileged users (root)
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try {
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listener = new ServerSocket(7777);
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} catch (IOException e) {
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System.out.println(e);
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System.exit(1);
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}
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try {
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System.out.println("Server is waiting to accept user...");
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// Accept client connection request
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// Get new Socket at Server.
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socketOfServer = listener.accept();
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System.out.println("Accept a client!");
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// Open input and output streams
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is = new BufferedReader(new InputStreamReader(socketOfServer.getInputStream()));
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os = new BufferedWriter(new OutputStreamWriter(socketOfServer.getOutputStream()));
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while (true) {
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// Read data to the server (sent from client).
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line = is.readLine();
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// Write to socket of Server
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// (Send to client)
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os.write(">> " + line);
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// End of line
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os.newLine();
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// Flush data.
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os.flush();
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// If users send QUIT (To end conversation).
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if (line.equals("QUIT")) {
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os.write(">> OK");
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os.newLine();
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os.flush();
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break;
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}
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}
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} catch (IOException e) {
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System.out.println(e);
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e.printStackTrace();
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}
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System.out.println("Sever stopped!");
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}
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}
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