Added encode/decode for Disconnect message

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

@@ -0,0 +1,26 @@
+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.DisconnectMessage;
+
+/**
+ *
+ * @author andrea
+ */
+class DisconnectDecoder extends DemuxDecoder {
+
+    @Override
+    void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
+        //Common decoding part
+        in.resetReaderIndex();
+        DisconnectMessage message = new DisconnectMessage();
+        if (!decodeCommonHeader(message, in)) {
+            in.resetReaderIndex();
+            return;
+        }
+        out.add(message);
+    }
+    
+}

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

@@ -0,0 +1,19 @@
+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.DisconnectMessage;
+
+/**
+ *
+ * @author andrea
+ */
+public class DisconnectEncoder extends DemuxEncoder<DisconnectMessage> {
+
+    @Override
+    protected void encode(ChannelHandlerContext chc, DisconnectMessage msg, ByteBuf out) {
+        out.writeByte(AbstractMessage.DISCONNECT << 4).writeByte(0);
+    }
+    
+}