43 lines
No EOL
1.3 KiB
Java
43 lines
No EOL
1.3 KiB
Java
package communication.udp;
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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.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.net.UnknownHostException;
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import messages.*;
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public class UDPClient {
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private DatagramSocket sockUDP;
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private InetAddress broadcast;
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public UDPClient(int port) throws SocketException, UnknownHostException {
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this.sockUDP = new DatagramSocket(port);
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InetAddress localHost = InetAddress.getLocalHost();
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NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localHost);
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this.broadcast = networkInterface.getInterfaceAddresses().get(0).getBroadcast();
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System.out.println(this.broadcast);
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System.out.println(InetAddress.getLocalHost());
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}
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//Send a message casted as string to the specified port on localhost
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protected void sendMessageUDP_local(Message message, int port, InetAddress clientAddress) throws IOException {
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String messageString= message.toString();
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DatagramPacket outpacket = new DatagramPacket(messageString.getBytes(), messageString.length(), clientAddress, port);
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this.sockUDP.send(outpacket);
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}
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protected void destroyAll() {
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this.sockUDP.close();
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this.sockUDP = null;
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this.broadcast = null;
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}
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} |