Linked table to show games from received packets. #story[1188]

racevisionGame/src/main/java/visualiser/network/MatchBrowserLobbyInterface.java

@@ -0,0 +1,69 @@
+package visualiser.network;
+
+import network.Exceptions.InvalidMessageException;
+import network.MessageDecoders.HostedGamesRequestDecoder;
+import network.Messages.HostGame;
+import network.Messages.HostGamesRequest;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Observable;
+
+/**
+ * Used to receive lobby information from server
+ */
+public class MatchBrowserLobbyInterface extends Observable {
+    private DatagramSocket socket;
+    private MatchBrowserClientRunnable clientRunnable;
+    private List<HostGame> games = new ArrayList<>();
+
+    public MatchBrowserLobbyInterface() {
+
+    }
+
+    /**
+     * start receiving game info
+     */
+    public void startReceivingHostData(DatagramSocket socket) {
+        this.socket = socket;
+        clientRunnable = new MatchBrowserClientRunnable(this, socket);
+        Thread clientRunnableThread = new Thread(clientRunnable, "Socket: " + socket.toString());
+        clientRunnableThread.start();
+    }
+
+    /**
+     * Used by client to received race information from the server
+     */
+    protected void receiveGameInfo(DatagramSocket socket) throws IOException {
+        byte[] data = new byte[64];
+        DatagramPacket receivedPacket = new DatagramPacket(data, 64);
+        socket.receive(receivedPacket);
+
+        HostedGamesRequestDecoder hostedGamesRequestDecoder = new HostedGamesRequestDecoder();
+        try {
+            HostGamesRequest message = (HostGamesRequest) hostedGamesRequestDecoder.decode(data);
+            games = message.getKnownGames();
+            setChanged();
+            notifyObservers();
+        } catch (InvalidMessageException e) {
+            System.err.println("HostedGamesRequestMessage could not be decoded");
+        }
+    }
+
+    /**
+     * Gets the host games
+     */
+    public List<HostGame> getGames() {
+        return games;
+    }
+
+    /**
+     * Used to close the socket once out of the lobby
+     */
+    public void closeSocket() {
+        this.socket.close();
+    }
+}