78 lines
2.1 KiB
Java
78 lines
2.1 KiB
Java
package communication;
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import java.io.IOException;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.SocketException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import main.Utilisateur;
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import messages.*;
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public class UDPServer extends Thread {
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private DatagramSocket sockUDP;
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private CommunicationUDP commUDP;
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private byte[] buffer;
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public UDPServer(int port, CommunicationUDP commUDP) throws SocketException {
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this.commUDP = commUDP;
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this.sockUDP = new DatagramSocket(port);
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this.buffer = new byte[256];
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}
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@Override
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public void run() {
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while (true) {
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try {
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DatagramPacket inPacket = new DatagramPacket(buffer, buffer.length);
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this.sockUDP.receive(inPacket);
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String msgString = new String(inPacket.getData(), 0, inPacket.getLength());
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Message msg = Message.stringToMessage(msgString);
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switch(msg.getTypeMessage()) {
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case JE_SUIS_CONNECTE :
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if(Utilisateur.getSelf() != null) {
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//System.out.println("first co");
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int portClient = inPacket.getPort();
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int portServer = portClient+1;
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this.commUDP.sendMessageInfoPseudo(portServer);
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}
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break;
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case INFO_PSEUDO :
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if (this.commUDP.containsUserFromID(((MessageSysteme) msg).getId())) {
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this.commUDP.changePseudoUser(((MessageSysteme) msg).getId(), ((MessageSysteme) msg).getPseudo(), inPacket.getAddress(),((MessageSysteme) msg).getPort());
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}
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else {
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this.commUDP.addUser(((MessageSysteme) msg).getId(), ((MessageSysteme) msg).getPseudo(), inPacket.getAddress(), ((MessageSysteme) msg).getPort() );
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System.out.println(((MessageSysteme) msg).getId()+", "+((MessageSysteme) msg).getPseudo());
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}
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break;
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case JE_SUIS_DECONNECTE :
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this.commUDP.removeUser( ((MessageSysteme) msg).getId() , ((MessageSysteme) msg).getPseudo(), inPacket.getAddress(), inPacket.getPort());
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break;
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default : //Others types of messages are ignored because they are supposed to be transmitted by TCP and not UDP
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}
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} catch (IOException e) {
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System.out.println("receive exception");
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}
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}
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}
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}
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