初始化

src/main/java/com/tongran/agenttcp/server/handler/AgentEncoderHandler.java

@@ -0,0 +1,48 @@
+package com.tongran.agenttcp.server.handler;
+
+import com.alibaba.fastjson2.JSON;
+import com.tongran.agenttcp.server.model.Message;
+import com.tongran.agenttcp.server.netty.core.session.SessionManager;
+import com.tongran.agenttcp.utils.AssertLog;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelOutboundHandlerAdapter;
+import io.netty.channel.ChannelPromise;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.stereotype.Component;
+
+import java.nio.charset.StandardCharsets;
+
+@Component
+@ChannelHandler.Sharable
+public class AgentEncoderHandler extends ChannelOutboundHandlerAdapter {
+
+    protected final SessionManager sessionManager;
+
+    public AgentEncoderHandler() {
+        this.sessionManager = SessionManager.getInstance();
+    }
+
+    /**
+     * 消息解码器
+     */
+    @Override
+    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
+        if (msg instanceof Message) {
+            Message entity = (Message) msg;
+            if (StringUtils.isBlank(entity.getData())) {
+                AssertLog.error(">>[down]:IP:{},errorContent:{}", sessionManager.client(ctx), msg);
+                return;
+            }
+            AssertLog.info(">>[down]:IP:{},[content]==>{}", sessionManager.client(ctx), entity.getData());
+            String json =  JSON.toJSONString(entity);
+            byte[] bytes = json.getBytes(StandardCharsets.UTF_8); // 显式指定 UTF-8
+//            byte[] bytes = EscapeUtil.hexStringToByteArray(entity.getContent());
+            ByteBuf buf = Unpooled.wrappedBuffer(bytes);
+            ctx.write(buf, promise);
+        }
+    }
+
+}