156 lines
3.4 KiB
Text
156 lines
3.4 KiB
Text
import java.awt.List;
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import java.io.IOException;
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import java.net.*;
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import java.time.Duration;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.Scanner; // Import the Scanner class
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public class User{
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protected InetAddress addIP;
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protected String pseudo;
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protected int nport;
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protected boolean actif;
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protected User[] remoteUserList;
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public Boolean haveToStopThread=false;
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public User(int nport) throws IOException{
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//localUser
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try
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{
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this.addIP = InetAddress.getLocalHost();
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}
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catch(UnknownHostException e) {
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System.out.println("Could not find local address!");
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}
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this.nport = nport;
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this.setPseudo();
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this.actif = true;
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}
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public User(int nport,String pseudo) {
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//remoteUser
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try
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{
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this.addIP = InetAddress.getLocalHost();
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}
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catch(UnknownHostException e) {
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System.out.println("Could not find local address!");
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}
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this.pseudo = pseudo;
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this.nport = nport;
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this.actif = true;
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UserListeningThread th = new UserListeningThread("UDP Listening thread",this);
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th.start();
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}
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public InetAddress getAddIP() {
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return addIP;
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}
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public void setAddIP(InetAddress addIP) {
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this.addIP = addIP;
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}
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public String getPseudo() {
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return pseudo;
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}
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public void setPseudo() throws IOException {
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Scanner myObj = new Scanner(System.in); // Create a Scanner object
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System.out.println("Enter pseudo :");
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String tmpPseudo = myObj.nextLine(); // Read user input
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while(!(this.validatePseudo(tmpPseudo))) {
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System.out.println("Already taken, choose another one :");
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tmpPseudo = myObj.nextLine(); // Read user input
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}
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this.pseudo = tmpPseudo;
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}
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public Boolean validatePseudo(String tmpPseudo) throws IOException {
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// Call broadcast
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InetAddress broadcastIP = InetAddress.getLocalHost(); // change to broadcast
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DatagramSocket dgramSocket = new DatagramSocket(this.nport,this.addIP);
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byte[] buffer = new byte[256];
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DatagramPacket outPacket= new DatagramPacket(tmpPseudo.getBytes(), tmpPseudo.length(),broadcastIP, 12458);
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dgramSocket.send(outPacket);
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Boolean valid = true;
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Date oldDate = new Date();
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Date newDate = new Date();
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while( (newDate.getTime()-oldDate.getTime()) < 5000 && valid) {
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System.out.println("Wait for pseudo validation ...");
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DatagramPacket inPacket= new DatagramPacket(buffer, buffer.length);
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dgramSocket.receive(inPacket);
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buffer = inPacket.getData();
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String response = new String(buffer);
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System.out.println(response);
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String[] lstresponse = response.split(":");
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ArrayList<String> stringList = new ArrayList<String>(Arrays.asList(lstresponse));
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valid=!(stringList.contains(tmpPseudo));
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newDate = new Date();
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}
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System.out.println("Pseudo valide");
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dgramSocket.close();
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return valid;
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}
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public int getNport() {
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return nport;
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}
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public void setNport(int nport) {
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this.nport = nport;
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}
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public boolean isActif() {
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return actif;
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}
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public void setActif(boolean actif) {
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this.actif = actif;
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}
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public static void main(String[] args) throws IOException {
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User activeUsr1 = new User(12458,"Mike");
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User usr1 = new User(12459);
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Scanner myObj = new Scanner(System.in); // Create a Scanner object
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System.out.println("Do you want to stop :");
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String response = myObj.nextLine(); // Read user input
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if(response=="Yes") {
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activeUsr1.haveToStopThread=true;
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}
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}
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}
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