[Update]自定义协议并解决TCP粘包/拆包问题

libraries/mogo-telematic/src/main/java/com/mogo/telematic/MogoMessageEncoder.java

@@ -0,0 +1,20 @@
+package com.mogo.telematic;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+public class MogoMessageEncoder extends MessageToByteEncoder<MogoProtocolMsg> {
+
+    @Override
+    protected void encode(ChannelHandlerContext ctx, MogoProtocolMsg msg, ByteBuf out) throws Exception {
+        int protocolType = msg.getProtocolType();
+        int length = msg.getBodyLength();
+        byte[] body = msg.getBody();
+        out.writeInt(protocolType);
+        out.writeInt(length);
+        if (length > 0) {
+            out.writeBytes(body);
+        }
+    }
+}