1,修改encode编码接口

2,完善frame定义及构造
3,添加OCC测试服务
4,添加绘图操作保存、另存为等接口

src/main/java/club/joylink/xiannccda/ats/message/FrameHandler.java

@@ -15,11 +15,6 @@ public class FrameHandler extends ByteToMessageCodec<FrameSchema> {
     this.client = client;
   }
 
-  @Override
-  public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
-    super.channelRead(ctx, msg);
-  }
-
   @Override
   protected void encode(ChannelHandlerContext channelHandlerContext, FrameSchema frameSchema,
       ByteBuf byteBuf) throws Exception {

src/main/java/club/joylink/xiannccda/ats/message/FrameSchema.java

@@ -1,6 +1,8 @@
 package club.joylink.xiannccda.ats.message;
 
 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import java.util.ArrayList;
 import java.util.List;
 
 public class FrameSchema {
@@ -8,11 +10,12 @@ public class FrameSchema {
   /**
    * (System ID)占1字节，系统中每台计算机均有唯一的System ID, 此处表示发送方的System ID，为0xff。
    */
-  short systemId;
+  short systemId = 0xff;
   /**
    * (Total Length) 占2字节，表示每个信息帧中消息的总长度+1字节（Multi-flag）。 最长为1025字节。如果数据长度大于1024字节，剩余的在紧接着的几帧数据中发送。
    */
   int totalLength;
+  final static int PackageMaxLength = 1024;
   /**
    * (Multi-flag)为帧标识位，占1字节，值为0或者1，分别表示下面的意思： 1：表示在这帧数据中，一个完整的消息没有发送结束，有后续帧；
    * 0：表示在这帧数据中，消息完整发送，没有后续帧。同样，几个消息可合并成一帧数据发送
@@ -23,5 +26,66 @@ public class FrameSchema {
    */
   ByteBuf packageData;
 
-  List<MessageData> messages;
+  public FrameSchema(ByteBuf buf) {
+    int packageLength = buf.readableBytes();
+    this.packageData = buf;
+    this.totalLength = packageLength + 1;
+    if (packageLength == PackageMaxLength) {
+      this.multiFlag = 1;
+    } else {
+      this.multiFlag = 0;
+    }
+  }
+
+  public static int calculateMessageLength(List<MessageData> messages) {
+    int total = 0;
+    for (MessageData data : messages) {
+      total += data.total();
+    }
+    return total;
+  }
+
+  public static List<FrameSchema> buildFrom(MessageData... messages) {
+    return buildFrom(List.of(messages));
+  }
+
+  public static List<FrameSchema> buildFrom(List<MessageData> messages) {
+    final int messageLength = calculateMessageLength(messages);
+    int size = 1;
+    if (messageLength > PackageMaxLength) {
+      size = messageLength / PackageMaxLength + 1;
+    }
+    ByteBuf buf = Unpooled.buffer(messageLength);
+    for (MessageData data : messages) {
+      data.encode(buf);
+    }
+
+    List<FrameSchema> frames = new ArrayList<>();
+    for (int i = 1; i <= size; i++) {
+      FrameSchema frame;
+      if (i == size) {
+        frame = new FrameSchema(buf.readBytes(messageLength % PackageMaxLength));
+      } else {
+        frame = new FrameSchema(buf.readBytes(PackageMaxLength));
+      }
+      frames.add(frame);
+    }
+    return frames;
+  }
+
+  public static List<MessageData> decodeFrom(FrameSchema... frames) {
+    return decodeFrom(List.of(frames));
+  }
+
+  public static List<MessageData> decodeFrom(List<FrameSchema> frames) {
+    List<MessageData> messages = new ArrayList<>();
+    return messages;
+  }
+
+  public void encode(ByteBuf buf) {
+    buf.writeByte(this.systemId);
+    buf.writeShort(this.totalLength);
+    buf.writeByte(this.multiFlag);
+    buf.writeBytes(this.packageData);
+  }
 }

src/main/java/club/joylink/xiannccda/ats/message/MessageData.java

@@ -22,6 +22,13 @@ public abstract class MessageData {
    */
   MessageId msgId;
 
+  public MessageData(MessageId msgId, int contentLength) {
+    this.length = 8 + contentLength;
+    this.time = System.currentTimeMillis();
+    this.version = 0x01;
+    this.msgId = msgId;
+  }
+
   public void decode(ByteBuf buf) throws Exception {
     final int headerBytes = 10;
     int readableBytes = buf.readableBytes();
@@ -44,24 +51,13 @@ public abstract class MessageData {
    */
   public abstract void decode2(ByteBuf buf) throws Exception;
 
-  /**
-   * 消息总长度: 时间戳（Time）长度+ 版本号（Version）长度+消息ID（message _id）长度（2字节）+ 消息内容（content）长度。
-   *
-   * @return
-   */
-  public int messageLength() {
-    return 8;
-  }
-
-  public ByteBuf encode() {
-    final int messageLength = this.messageLength();
-    ByteBuf buf = Unpooled.buffer(messageLength + 2);
+  public void encode(ByteBuf buf) {
+    final int messageLength = this.length;
     buf.writeShort(messageLength);
     buf.writeInt((int) this.time);
     buf.writeShort(this.version);
     buf.writeShort(this.msgId.val);
     this.encode2(buf);
-    return buf;
   }
 
   /**
@@ -72,4 +68,7 @@ public abstract class MessageData {
   protected void encode2(ByteBuf buf) {
   }
 
+  public int total() {
+    return this.length + 2;
+  }
 }

src/main/java/club/joylink/xiannccda/ats/message/OccMessageManage.java

@@ -21,5 +21,9 @@ public class OccMessageManage implements ApplicationRunner {
   @Override
   public void run(ApplicationArguments args) throws Exception {
     // 读取数据配置，创建客户端
+    this.registerClient(new XianOccMessagingClient(3, "localhost"));
+    for (XianOccMessagingClient client : this.clientMap.values()) {
+      client.connection.connect();
+    }
   }
 }

src/main/java/club/joylink/xiannccda/ats/message/TcpClientConnection.java

@@ -52,9 +52,10 @@ public class TcpClientConnection {
       channelFuture.channel().closeFuture().sync();
     } catch (Exception e) {
       log.error("与OCC服务连接异常", e);
-    } finally {
-      log.info("关闭eventLoop");
-      group.shutdownGracefully();
-    }
+    }
+//    finally {
+//      log.info("关闭eventLoop");
+//      group.shutdownGracefully();
+//    }
   }
 }

src/main/java/club/joylink/xiannccda/ats/message/line3/HeartBeatMsg.java

@@ -1,10 +1,15 @@
 package club.joylink.xiannccda.ats.message.line3;
 
 import club.joylink.xiannccda.ats.message.MessageData;
+import club.joylink.xiannccda.ats.message.MessageId;
 import io.netty.buffer.ByteBuf;
 
 public class HeartBeatMsg extends MessageData {
 
+  public HeartBeatMsg() {
+    super(MessageId.MESSAGE_POLLING, 0);
+  }
+
   @Override
   public void decode2(ByteBuf buf) throws Exception {
 

src/main/java/club/joylink/xiannccda/controller/DraftingController.java

@@ -5,7 +5,6 @@ import club.joylink.xiannccda.entity.Drafting;
 import club.joylink.xiannccda.entity.Drafting.Creation;
 import club.joylink.xiannccda.repository.IDraftingRepository;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-import com.baomidou.mybatisplus.extension.plugins.pagination.PageDTO;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.security.SecurityRequirement;
@@ -15,9 +14,9 @@ import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
@@ -55,6 +54,15 @@ public class DraftingController {
     return this.draftingRepository.create(drafting);
   }
 
+  @PostMapping("/{id}/saveAs")
+  @SecurityRequirement(name = "jwt")
+  @Operation(summary = "创建绘图草稿")
+  @ApiResponse(description = "绘图草稿信息")
+  public Drafting create(@PathVariable Integer id,
+      @RequestBody @Validated(Creation.class) Drafting drafting) {
+    return this.draftingRepository.saveAs(id, drafting);
+  }
+
   @GetMapping("/{id}")
   @SecurityRequirement(name = "jwt")
   @Operation(summary = "获取绘图草稿数据")
@@ -63,6 +71,15 @@ public class DraftingController {
     return this.draftingRepository.getById(id);
   }
 
+  @PutMapping("/{id}")
+  @SecurityRequirement(name = "jwt")
+  @Operation(summary = "保存绘图草稿数据")
+  @ApiResponse(description = "保存成功失败标识")
+  public boolean updateDrawData(@PathVariable Integer id,
+      @RequestBody @Validated(Creation.class) Drafting drafting) {
+    return this.draftingRepository.updateDrawData(id, drafting.getProto());
+  }
+
   @DeleteMapping("/{id}")
   @SecurityRequirement(name = "jwt")
   @Operation(summary = "删除绘图草稿数据")

src/main/java/club/joylink/xiannccda/entity/Drafting.java

@@ -3,6 +3,7 @@ package club.joylink.xiannccda.entity;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 import java.time.LocalDateTime;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
@@ -28,10 +29,11 @@ public class Drafting {
   private Integer id;
 
   @Schema(description = "草稿图名称")
-  @NotBlank(message = "草稿图名称不能为空", groups = {Creation.class})
+  @NotBlank(message = "草稿图名称不能为空", groups = {Creation.class, SaveAs.class})
   private String name;
 
   @Schema(description = "绘图数据")
+  @NotNull(message = "数据不能为空", groups = {SaveData.class, SaveAs.class})
   private byte[] proto;
 
   @Schema(description = "创建时间")
@@ -53,4 +55,12 @@ public class Drafting {
   public interface Creation {
 
   }
+
+  public interface SaveAs {
+
+  }
+
+  public interface SaveData {
+
+  }
 }

src/main/java/club/joylink/xiannccda/repository/IDraftingRepository.java

@@ -24,4 +24,8 @@ public interface IDraftingRepository extends IService<Drafting> {
   Page<Drafting> pageQuery(DraftingQueryDto query);
 
   Drafting create(Drafting drafting);
+
+  boolean updateDrawData(Integer id, byte[] proto);
+
+  Drafting saveAs(Integer id, Drafting drafting);
 }

src/main/java/club/joylink/xiannccda/repository/impl/DraftingRepository.java

@@ -2,6 +2,7 @@ package club.joylink.xiannccda.repository.impl;
 
 import club.joylink.xiannccda.dto.DraftingQueryDto;
 import club.joylink.xiannccda.entity.Drafting;
+import club.joylink.xiannccda.exception.BusinessExceptionAssertEnum;
 import club.joylink.xiannccda.mapper.DraftingMapper;
 import club.joylink.xiannccda.repository.IDraftingRepository;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -28,10 +29,9 @@ public class DraftingRepository extends ServiceImpl<DraftingMapper, Drafting> im
 
   @Override
   public Page<Drafting> pageQuery(DraftingQueryDto query) {
-    log.info("分页查询参数: {},{},{}", query.getCurrent(), query.getSize(), query.getName());
     LambdaQueryWrapper<Drafting> wrapper = Wrappers.lambdaQuery();
     // 分页不查询具体proto数据
-    wrapper.select(info -> !info.getColumn().equals("proto"));
+    wrapper.select(Drafting.class, info -> !info.getColumn().equals("proto"));
     if (StringUtils.hasText(query.getName())) {
       wrapper.like(Drafting::getName, query.getName());
     }
@@ -45,4 +45,32 @@ public class DraftingRepository extends ServiceImpl<DraftingMapper, Drafting> im
     this.save(drafting);
     return drafting;
   }
+
+  @Override
+  public boolean updateDrawData(Integer id, byte[] proto) {
+    Drafting drafting = new Drafting();
+    drafting.setId(id);
+    drafting.setProto(proto);
+    drafting.setUpdateAt(LocalDateTime.now());
+    return this.updateById(drafting);
+  }
+
+  @Override
+  public Drafting saveAs(Integer id, Drafting drafting) {
+    BusinessExceptionAssertEnum.UNIQUE_FIELD_REPEAT.assertNotTrue(
+        this.isNameExist(drafting.getName()),
+        String.format("草稿名称已存在: %s", drafting.getName()));
+    Drafting old = this.getById(id);
+    old.setId(null);
+    old.setName(drafting.getName());
+    old.setProto(drafting.getProto());
+    this.save(old);
+    old.setProto(null); // 另存为数据不回传
+    return old;
+  }
+
+  public boolean isNameExist(String name) {
+    return this.count(Wrappers.<Drafting>lambdaQuery().eq(Drafting::getName, name)) > 0;
+  }
+
 }

src/test/java/club/joylink/xiannccda/occmock/OccHandler.java

@@ -0,0 +1,40 @@
+package club.joylink.xiannccda.occmock;
+
+import club.joylink.xiannccda.ats.message.FrameSchema;
+import club.joylink.xiannccda.ats.message.line3.HeartBeatMsg;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToMessageCodec;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class OccHandler extends ByteToMessageCodec<FrameSchema> {
+
+
+  @Override
+  public void channelRegistered(ChannelHandlerContext ctx) throws Exception {
+    log.info("客户端连接: {}", ctx.channel().id());
+    ctx.executor().scheduleAtFixedRate(() -> {
+      log.info("定时发送心跳消息");
+      List<FrameSchema> frames = FrameSchema.buildFrom(new HeartBeatMsg());
+      for (FrameSchema frame : frames) {
+        ctx.channel().write(frame);
+      }
+      ctx.channel().flush();
+    }, 1, 10, TimeUnit.SECONDS);
+  }
+
+  @Override
+  protected void encode(ChannelHandlerContext channelHandlerContext, FrameSchema frameSchema,
+      ByteBuf byteBuf) throws Exception {
+    frameSchema.encode(byteBuf);
+  }
+
+  @Override
+  protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf,
+      List<Object> list) throws Exception {
+
+  }
+}

src/test/java/club/joylink/xiannccda/occmock/OccServer.java

@@ -1,5 +1,65 @@
 package club.joylink.xiannccda.occmock;
 
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.logging.LoggingHandler;
+
 public class OccServer {
 
+  public static void main(String[] args) {
+    final int PORT = 2603;
+    // Configure the server.
+    //创建两个EventLoopGroup对象
+    EventLoopGroup bossGroup = new NioEventLoopGroup(1);//创建boos线程组，用于服务端接受客户端的连接
+    EventLoopGroup workerGroup = new NioEventLoopGroup();//创建worker线程组，用于进行SocketChannel的数据读写，处理业务逻辑
+    //创建Handler
+    final OccHandler serverHandler = new OccHandler();
+    try {
+      //创建ServerBootstrap对象
+      ServerBootstrap b = new ServerBootstrap();
+      b.group(bossGroup, workerGroup)//设置EventLoopGroup
+          .channel(NioServerSocketChannel.class)//设置要被实例化的NioServerSocketChannel类
+//          .option(ChannelOption.SO_BACKLOG, 100) //设置NioServerSocketChannel的可设置项
+          .handler(new LoggingHandler(LogLevel.INFO))//设置NioServerSocketChannel的处理器
+          .childHandler(new ChannelInitializer<SocketChannel>() {//设置处理连入的Client的SocketChannel的处理器
+            @Override
+            public void initChannel(SocketChannel ch) throws Exception {
+              ChannelPipeline p = ch.pipeline();
+              p.addLast(serverHandler);
+            }
+          });
+
+      // Start the server.
+      //绑定端口，并同步等待成功，即启动服务端
+      ChannelFuture f = b.bind(PORT).addListener(listener -> {
+        if (listener.isSuccess()) {
+          System.out.println("OCC测试服务启动...");
+        }
+      }).sync();
+
+      // Wait until the server socket is closed.
+      //监听服务端关闭，并阻塞等待
+      //这里并不是关闭服务器，而是“监听”服务端关闭
+      f.channel().closeFuture().addListener(listener -> {
+        System.out.println("OCC测试服务关闭");
+      }).sync();
+      System.out.println("all after");
+    } catch (Exception e) {
+      System.err.println("OCC测试服务异常");
+      e.printStackTrace();
+    } finally {
+      // Shut down all event loops to terminate all threads.
+      bossGroup.shutdownGracefully();
+      workerGroup.shutdownGracefully();
+    }
+
+  }
+
 }