Added encode/decode for ConnAck message

netty_parser/src/main/java/org/dna/mqtt/moquette/parser/netty/ConnAckDecoder.java

@@ -0,0 +1,31 @@
+package org.dna.mqtt.moquette.parser.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import java.util.List;
+import org.dna.mqtt.moquette.proto.messages.ConnAckMessage;
+
+/**
+ *
+ * @author andrea
+ */
+class ConnAckDecoder extends DemuxDecoder {
+
+    @Override
+    void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
+        in.resetReaderIndex();
+        //Common decoding part
+        ConnAckMessage message = new ConnAckMessage();
+        if (!decodeCommonHeader(message, in)) {
+            in.resetReaderIndex();
+            return;
+        }
+        //skip reserved byte
+        in.skipBytes(1);
+        
+        //read  return code
+        message.setReturnCode(in.readByte());
+        out.add(message);
+    }
+    
+}

netty_parser/src/main/java/org/dna/mqtt/moquette/parser/netty/ConnAckEncoder.java

@@ -0,0 +1,22 @@
+package org.dna.mqtt.moquette.parser.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import org.dna.mqtt.moquette.proto.messages.AbstractMessage;
+import org.dna.mqtt.moquette.proto.messages.ConnAckMessage;
+
+/**
+ *
+ * @author andrea
+ */
+class ConnAckEncoder extends DemuxEncoder<ConnAckMessage>{
+
+    @Override
+    protected void encode(ChannelHandlerContext chc, ConnAckMessage message, ByteBuf out) {
+        out.writeByte(AbstractMessage.CONNACK << 4);
+        out.writeBytes(Utils.encodeRemainingLength(2));
+        out.writeByte(0);
+        out.writeByte(message.getReturnCode());
+    }
+    
+}

netty_parser/src/main/java/org/dna/mqtt/moquette/parser/netty/MQTTDecoder.java

@@ -19,6 +19,7 @@ public class MQTTDecoder extends ByteToMessageDecoder {
     
     MQTTDecoder() {
        m_decoderMap.put(AbstractMessage.CONNECT, new ConnectDecoder());
+       m_decoderMap.put(AbstractMessage.CONNACK, new ConnAckDecoder());
     }
 
     @Override

netty_parser/src/main/java/org/dna/mqtt/moquette/parser/netty/MQTTEncoder.java

@@ -18,6 +18,7 @@ public class MQTTEncoder extends MessageToByteEncoder<AbstractMessage> {
     
     MQTTEncoder() {
        m_encoderMap.put(AbstractMessage.CONNECT, new ConnectEncoder());
+       m_encoderMap.put(AbstractMessage.CONNACK, new ConnAckEncoder());
     }
     
     @Override