refactored networking code from networkingTest branch

#story[778, 782]
2017-04-25 11:50:22 +12:00
parent 2876eec1e4
commit 4b5ebbd9e4
20 changed files with 2154 additions and 0 deletions
@@ -0,0 +1,99 @@
+package seng302.Networking.MessageDecoders;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.Arrays;
+
+/**
+ * Created by hba56 on 21/04/17.
+ */
+public class RaceStartStatusDecoder {
+    private byte messageVersion;
+    private byte[] timestamp;
+    private byte[] ackNumber;
+    private byte[] raceStartTime;
+    private byte[] raceIdentifier;
+    private byte notificationType;
+
+    private long time;
+    private short ack;
+    private long startTime;
+    private int raceID;
+    private char notification;
+
+
+    public RaceStartStatusDecoder(byte[] encodedRaceStartStatus) {
+        messageVersion = encodedRaceStartStatus[0];
+        timestamp = Arrays.copyOfRange(encodedRaceStartStatus, 1, 7);
+        ackNumber = Arrays.copyOfRange(encodedRaceStartStatus, 7, 9);
+        raceStartTime = Arrays.copyOfRange(encodedRaceStartStatus, 9, 15);
+        raceIdentifier = Arrays.copyOfRange(encodedRaceStartStatus, 15, 19);
+        notificationType = encodedRaceStartStatus[19];
+
+        time = bytesToLong(timestamp);
+        ack = bytesToShort(ackNumber);
+        startTime = bytesToLong(raceStartTime);
+        raceID = bytesToInt(raceIdentifier);
+        notification = byteToChar(notificationType);
+    }
+
+    private char byteToChar(byte bytesInt){
+        ByteBuffer byteBuffer = ByteBuffer.allocate(4);
+        byteBuffer.order(ByteOrder.BIG_ENDIAN);
+        byteBuffer.put((byte)0);
+        byteBuffer.put(bytesInt);
+        char num = byteBuffer.getChar(0);
+        return num;
+    }
+
+    private short bytesToShort(byte[] bytesShort){
+        ByteBuffer wrapped = ByteBuffer.wrap(bytesShort);
+        short num = wrapped.getShort();
+        return num;
+    }
+
+    private int bytesToInt(byte[] bytesInt){
+        ByteBuffer wrapped = ByteBuffer.wrap(bytesInt);
+        int num = wrapped.getInt();
+        return num;
+    }
+
+    private long bytesToLong(byte[] bytesLong){
+        ByteBuffer byteBuffer = ByteBuffer.allocate(8);
+        byteBuffer.order(ByteOrder.BIG_ENDIAN);
+        byteBuffer.put((byte)0);
+        byteBuffer.put((byte)0);
+        byteBuffer.put(bytesLong[0]);
+        byteBuffer.put(bytesLong[1]);
+        byteBuffer.put(bytesLong[2]);
+        byteBuffer.put(bytesLong[3]);
+        byteBuffer.put(bytesLong[4]);
+        byteBuffer.put(bytesLong[5]);
+        long longVal = byteBuffer.getLong(0);
+        return longVal;
+    }
+
+    public byte getMessageVersion() {
+        return messageVersion;
+    }
+
+    public long getTime() {
+        return time;
+    }
+
+    public short getAck() {
+        return ack;
+    }
+
+    public long getStartTime() {
+        return startTime;
+    }
+
+    public int getRaceID() {
+        return raceID;
+    }
+
+    public char getNotification() {
+        return notification;
+    }
+}