Laporan tugas network programming

LAPORAN TUGAS NETWORK PROGRAMMING
NAMA : RAHMAT HAMDANI
NIM: 201913002
Keterangan : Permasalahannyaterletakdisaatrun,chatyang dikirimolehclienttidakbisa
diketahui olehclientlain.Programtidakmendukunguntukmelakukanbroadcastantar client.

Server hanya bisa menerima satu client dan tidak menerima lebih dari satu client. Indikasi
permasalahannya terletak pada kekuatan jaringan yang tidak mendukung.
Source code
package syarifchatting;
import java.awt.Color;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;
import java.text.Normalizer.Form;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JColorChooser;
import javax.swing.JOptionPane;
/**
* @author MhdSyarif
* Monday, 13 January 2014, 20 : 52 : 20 WIB
* Tugas III Matakulia Java2SE
* Mhd. Syarif | 49013075
* TKJMD - STEI - ITB
*/

public class Server extends javax.swing.JFrame implements Runnable{
int port=8080;
Socket client;
ServerSocket server;
BufferedReader Server_Reader, Client_Reader;
BufferedWriter Server_Writer, Client_Writer;
/**
* Creates new form Server
*/
public Server() {
super("www.mhdsyarif.com"); //SetTitle
initComponents();
//Menampilkan hasil ditengah window
java.awt.Dimension screenSize =
java.awt.Toolkit.getDefaultToolkit().getScreenSize();
java.awt.Dimension dialogSize = getSize();
setLocation((screenSize.width-
dialogSize.width)/2,(screenSize.height-dialogSize.height)/2);
getBackgroundColor();
}
//Pilihan ComboBox
private void getComboBox(){
if(ComboBox.getSelectedItem().equals("Server")){
ButtonOn.setText("On");
Username.setText("Server");
}else{
ButtonOn.setText("Connect");
Username.setText("Client");
}
}
//Koneksi client ke server
private void getClientConnec(){
try {
String ip = JOptionPane.showInputDialog(" Input IP Address");
client = new Socket(ip, port);
ComboBox.setEnabled(false);
ButtonOn.setText("Disconnect");
Server_Reader = new BufferedReader(new
InputStreamReader(client.getInputStream()));
Server_Writer = new BufferedWriter (new
OutputStreamWriter(client.getOutputStream()));
} catch (UnknownHostException ex) {
System.out.println("Accept Failed");
System.exit(-1);
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null,
ex);
}
}
private void getReadConnec(){
// try {
// try {
// try {
// server = new ServerSocket(port);
// this.setTitle("Please Wait");
// } catch (IOException ex) {

// System.out.println("Could not listen");
// System.exit(-1);
// }
// client = server.accept();
// this.setTitle("Connected" + client.getInetAddress());
// System.out.println("Accept Failed");
// System.exit(-1);
// }
// Server_Reader = new BufferedReader(new
// Server_Writer = new BufferedWriter(new
// System.out.println("Read Failed");
// System.exit(-1);
// }
final int PORT = 8080;
try {
server = new ServerSocket(PORT);
Logger.getLogger(Server.class.getName()).log(Level.SEVERE,
null, ex);
}
System.out.println("Server started...");
System.out.println("Wating for clients...");
while (true) {
try {
client = server.accept();
Logger.getLogger(Server.class.getName()).log(Level.SEVERE,
null, ex);
}
Thread t = new Thread() {
public void run() {
try {
Server_Reader = new BufferedReader(new
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
try {
Server_Writer = new BufferedWriter (new
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
try (
PrintWriter out = new
PrintWriter(client.getOutputStream(), true);
Scanner in = new Scanner(client.getInputStream());
) {

while (in.hasNextLine()) {
String input = in.nextLine();
if (input.equalsIgnoreCase("exit")) {
break;
}
System.out.println("Received radius from
client: " + input);
// double radius = Double.valueOf(input);
// double area = Math.PI* radius *radius ;
// out.println(area);
}
} catch (IOException e) { }
}
};
t.start();
}
}
private void getDisconnectedClient(){
try {
client.close();
Server_Reader.close();
Server_Writer.close();
ComboBox.setEnabled(true);
ButtonOn.setText("Connect");
ex);
}
}
private void getDisconnectedServer(){
try {
Server_Reader.close();
Server_Writer.close();
ButtonOn.setText("On");
this.setTitle("Disconected");
ex);
}
}
private void getButtonOn(){
if(ButtonOn.getText().equals("Connect"))
{
ButtonOn.setText("DIsconnect");
getClientConnec();
Thread thread1= new Thread(this);
thread1.start();
thread2.start();

thread3.start();
thread4.start();
thread5.start();
thread6.start();
thread7.start();
thread8.start();
thread9.start();
thread10.start();
} else if(ComboBox.getSelectedItem().equals("Server")){
ButtonOn.setText("Off");
getReadConnec();
thread1.start();
thread2.start();
thread3.start();
thread4.start();
thread5.start();
thread6.start();
thread7.start();
thread8.start();
thread9.start();
thread10.start();
}else if(ButtonOn.getText().equals("Disconnect")){
getDisconnectedClient();
}else if(ButtonOn.getText().equals("Off")){
getDisconnectedServer();
}
}
private void getSend(){
try {
Server_Writer.write(Username.getText()+ ":
"+TextChat.getText());
Server_Writer.newLine();
Server_Writer.flush();
ex);
}
ListChat.add(Username.getText()+ ": " +TextChat.getText());
//jClient.setText(Username.getText());
TextChat.setText("");
}
//Background color
public void getBackgroundColor(){
Color c = JColorChooser.showDialog(null,"Background
Color",jPanel.getBackground());
jPanel.setBackground(c);
}
//Konfirmasi keluar

public void getExit(){
int confirm =JOptionPane.showConfirmDialog(this,"Are you sure will
exit this application ?","Exit
Application",JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
if (confirm == JOptionPane.YES_OPTION){
System.exit(0);
}
}

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