perf[net]: 优化协议接收器，共用ProtocolManager来减少初始化的空间

protocol/src/main/java/com/zfoo/protocol/registration/EnhanceUtils.java

@@ -134,6 +134,10 @@ public abstract class EnhanceUtils {
         constructorFiled.setModifiers(Modifier.PRIVATE);
         enhanceClazz.addField(constructorFiled);
 
+        CtField receiverFiled = new CtField(classPool.get(Object.class.getCanonicalName()), "receiver", enhanceClazz);
+        receiverFiled.setModifiers(Modifier.PRIVATE);
+        enhanceClazz.addField(receiverFiled);
+
         // 定义类所包含的所有子协议成员
         var allSubProtocolIds = ProtocolAnalysis.getAllSubProtocolIds(protocolId)
                 .stream()
@@ -142,7 +146,7 @@ public abstract class EnhanceUtils {
 
         for (var subProtocolId : allSubProtocolIds) {
             var protocolRegistrationField = new CtField(classPool.get(IProtocolRegistration.class.getCanonicalName()), getProtocolRegistrationFieldNameByProtocolId(subProtocolId), enhanceClazz);
-            constructorFiled.setModifiers(Modifier.PRIVATE);
+            protocolRegistrationField.setModifiers(Modifier.PRIVATE);
             enhanceClazz.addField(protocolRegistrationField);
         }
 
@@ -163,6 +167,11 @@ public abstract class EnhanceUtils {
         protocolConstructorMethod.setBody("{return this.constructor;}");
         enhanceClazz.addMethod(protocolConstructorMethod);
 
+        CtMethod receiverMethod = new CtMethod(classPool.get(Object.class.getCanonicalName()), "receiver", null, enhanceClazz);
+        receiverMethod.setModifiers(Modifier.PUBLIC + Modifier.FINAL);
+        receiverMethod.setBody("{return this.receiver;}");
+        enhanceClazz.addMethod(receiverMethod);
+
         CtMethod moduleMethod = new CtMethod(classPool.get(byte.class.getCanonicalName()), "module", null, enhanceClazz);
         moduleMethod.setModifiers(Modifier.PUBLIC + Modifier.FINAL);
         moduleMethod.setBody("{return " + registration.module() + ";}");

protocol/src/main/java/com/zfoo/protocol/registration/IProtocolRegistration.java

@@ -30,8 +30,19 @@ public interface IProtocolRegistration {
 
     Constructor<?> protocolConstructor();
 
-    Object read(ByteBuf buffer);
+    /**
+     * 协议接收器，回调方法，主要是存放一些额外的参数
+     */
+    Object receiver();
 
+    /**
+     * 序列化
+     */
     void write(ByteBuf buffer, IPacket packet);
 
+    /**
+     * 反序列化
+     */
+    Object read(ByteBuf buffer);
+
 }

protocol/src/main/java/com/zfoo/protocol/registration/ProtocolRegistration.java

@@ -37,6 +37,8 @@ public class ProtocolRegistration implements IProtocolRegistration {
     private byte module;
     private Constructor<?> constructor;
 
+    private Object receiver;
+
     private Field[] fields;
 
 
@@ -64,24 +66,12 @@ public class ProtocolRegistration implements IProtocolRegistration {
         return constructor;
     }
 
-
     @Override
-    public Object read(ByteBuf buffer) {
-        if (!ByteBufUtils.readBoolean(buffer)) {
-            return null;
-        }
-        Object object = ReflectionUtils.newInstance(constructor);
-
-        for (int i = 0, length = fields.length; i < length; i++) {
-            Field field = fields[i];
-            IFieldRegistration packetFieldRegistration = fieldRegistrations[i];
-            ISerializer serializer = packetFieldRegistration.serializer();
-            Object fieldValue = serializer.readObject(buffer, packetFieldRegistration);
-            ReflectionUtils.setField(field, object, fieldValue);
-        }
-        return object;
+    public Object receiver() {
+        return receiver;
     }
 
+
     @Override
     public void write(ByteBuf buffer, IPacket packet) {
         if (packet == null) {
@@ -100,6 +90,23 @@ public class ProtocolRegistration implements IProtocolRegistration {
         }
     }
 
+    @Override
+    public Object read(ByteBuf buffer) {
+        if (!ByteBufUtils.readBoolean(buffer)) {
+            return null;
+        }
+        Object object = ReflectionUtils.newInstance(constructor);
+
+        for (int i = 0, length = fields.length; i < length; i++) {
+            Field field = fields[i];
+            IFieldRegistration packetFieldRegistration = fieldRegistrations[i];
+            ISerializer serializer = packetFieldRegistration.serializer();
+            Object fieldValue = serializer.readObject(buffer, packetFieldRegistration);
+            ReflectionUtils.setField(field, object, fieldValue);
+        }
+        return object;
+    }
+
 
     public short getId() {
         return id;