add tcp

web/src/main/java/com/zhehekeji/web/controller/PLCController.java

@@ -0,0 +1,40 @@
+package com.zhehekeji.web.controller;
+
+import com.github.pagehelper.PageInfo;
+import com.zhehekeji.core.pojo.Result;
+import com.zhehekeji.core.util.Assert;
+import com.zhehekeji.web.entity.Street;
+import com.zhehekeji.web.mapper.StreetMapper;
+import com.zhehekeji.web.pojo.street.StreetSearch;
+import com.zhehekeji.web.pojo.street.StreetVO;
+import com.zhehekeji.web.service.ClientMap;
+import com.zhehekeji.web.service.StreetService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+
+@Api(value = "PLCController",tags = "PLC管理")
+@RestController(value = "PLCController")
+@RequestMapping("/plc")
+public class PLCController {
+
+    @Resource
+    private StreetService streetService;
+    @Resource
+    private StreetMapper streetMapper;
+
+
+    @GetMapping("/heart")
+    @ApiOperation(value = "心跳")
+    public Result heart(@RequestParam Integer id) throws InterruptedException {
+        Street street = streetMapper.selectById(id);
+        Assert.isTrue(street!= null && street.getPlcIp() != null && street.getPlcPort() != null,"未配置IP");
+        ClientMap.createClient(street);
+        return Result.success();
+    }
+
+
+
+}

web/src/main/java/com/zhehekeji/web/entity/Street.java

@@ -19,6 +19,10 @@ public class Street {
     @ApiModelProperty("PLC标识")
     private String plcId;
 
+    private String plcIp;
+
+    private Integer plcPort;
+
     @ApiModelProperty("左货架类型  0：单伸   1：双伸")
     private Integer leftType;
 

web/src/main/java/com/zhehekeji/web/service/ClientMap.java

@@ -0,0 +1,37 @@
+package com.zhehekeji.web.service;
+
+import com.zhehekeji.core.util.Assert;
+import com.zhehekeji.web.entity.Street;
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.*;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Slf4j
+public class ClientMap {
+
+    private static Map<Integer, ChannelFuture> channelFutureMap = new HashMap<>();
+
+    private static EventLoopGroup group = new NioEventLoopGroup();
+
+    public static void createClient(Street street) throws InterruptedException {
+        Bootstrap client = new Bootstrap();
+        // 第1步 定义线程组，处理读写和链接事件，没有了accept事件
+        client.group(group);
+        // 第2步 绑定客户端通道
+        client.channel(NioSocketChannel.class);
+        // 第3步 给NIoSocketChannel初始化handler， 处理读写事件
+        client.handler(new HeartNettyClientFilter(street.getId()));
+        // 连接服务端
+        client.connect(street.getPlcIp(), street.getPlcPort()).sync().channel();
+    }
+
+    public static void close() {
+        group.shutdownGracefully();
+    }
+}

web/src/main/java/com/zhehekeji/web/service/HeartNettyClientFilter.java

@@ -0,0 +1,34 @@
+package com.zhehekeji.web.service;
+
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
+import io.netty.handler.timeout.IdleStateHandler;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 客户端过滤器，如编解码和心跳的设置
+ *
+ * @author Administrator
+ *
+ */
+public class HeartNettyClientFilter  extends ChannelInitializer<SocketChannel> {
+
+    private Integer streetId;
+
+    public HeartNettyClientFilter(Integer streetId){
+        this.streetId = streetId;
+    }
+
+    @Override
+    protected void initChannel(SocketChannel ch) throws Exception {
+        ChannelPipeline ph = ch.pipeline();
+        //因为服务端设置的超时时间是5秒，所以客户端设置4秒
+        ph.addLast(new IdleStateHandler(0, 4, 0, TimeUnit.SECONDS));
+        //处理客户端的业务逻辑
+        ph.addLast(new HeartNettyClientHandler(streetId));
+    }
+}

web/src/main/java/com/zhehekeji/web/service/HeartNettyClientHandler.java

@@ -0,0 +1,73 @@
+package com.zhehekeji.web.service;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.handler.timeout.IdleState;
+import io.netty.handler.timeout.IdleStateEvent;
+import io.netty.util.CharsetUtil;
+import lombok.extern.slf4j.Slf4j;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ *    处理客户端业务逻辑：心跳超时处理、服务端返回的数据处理
+ *
+ * @author Administrator
+ *
+ */
+@Slf4j
+public class HeartNettyClientHandler extends ChannelInboundHandlerAdapter {
+    /** 客户端请求的心跳命令 */
+    private static final SendHeart s = new SendHeart();
+
+    private Integer streetId;
+
+    public HeartNettyClientHandler(Integer streetId){
+        this.streetId = streetId;
+    }
+
+    /**
+     * 建立连接时
+     */
+    @Override
+    public void channelActive(ChannelHandlerContext ctx) throws Exception {
+        ctx.fireChannelActive();
+    }
+
+    /**
+     * 关闭连接时
+     */
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
+        log.error("streetId:{}连接被关闭",streetId);
+    }
+
+    /**
+     * 心跳请求处理，每4秒发送一次心跳请求;
+     *
+     */
+    @Override
+    public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
+        log.debug("streetId:{}心跳",streetId);
+
+        if (obj instanceof IdleStateEvent) {
+            IdleStateEvent event = (IdleStateEvent) obj;
+            if (IdleState.WRITER_IDLE.equals(event.state())) { // 如果写通道处于空闲状态就发送心跳命令
+                ctx.channel().writeAndFlush(s);
+            }
+        }
+
+    }
+
+    /**
+     * 业务逻辑处理
+     */
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+        log.debug("streetId:{},client receive msg:{}",streetId,msg.toString());
+
+    }
+}

web/src/main/java/com/zhehekeji/web/service/InitService.java

@@ -5,6 +5,7 @@ import com.zhehekeji.web.lib.CameraConnMap;
 import com.zhehekeji.web.lib.LoginModule;
 import com.zhehekeji.web.lib.NetSDKLib;
 import com.zhehekeji.web.mapper.CameraMapper;
+import com.zhehekeji.web.mapper.StreetMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
@@ -23,6 +24,8 @@ public class InitService implements ApplicationRunner {
     private CameraMapper cameraMapper;
     @Resource
     private TcpListener tcpListener;
+    @Resource
+    private StreetMapper streetMapper;
 
     @Override
     public void run(ApplicationArguments args) throws Exception {

web/src/main/java/com/zhehekeji/web/service/MyProtocolEncoder.java

@@ -0,0 +1,26 @@
+package com.zhehekeji.web.service;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+import java.nio.charset.Charset;
+
+public class MyProtocolEncoder extends MessageToByteEncoder<SendHeart> {
+
+    @Override
+    protected void encode(ChannelHandlerContext ctx, SendHeart msg, ByteBuf out) throws Exception {
+        if(msg == null){
+            throw new Exception("msg is null");
+        }
+        out.writeChar(msg.getL());
+        out.writeChar(msg.getP());
+        out.writeShort(msg.getLength());
+        out.writeCharSequence(msg.getPlcId(), Charset.defaultCharset());
+        out.writeCharSequence(msg.getType(), Charset.defaultCharset());
+        out.writeCharSequence(msg.getId(),Charset.defaultCharset());
+        out.writeChar(msg.getMaohao());
+        out.writeChar(msg.getH());
+        out.writeBytes(msg.getEmp());
+    }
+}

web/src/main/java/com/zhehekeji/web/service/SendHeart.java

@@ -0,0 +1,26 @@
+package com.zhehekeji.web.service;
+
+import lombok.Data;
+
+@Data
+public class SendHeart {
+
+    private char l = 'L';
+
+    private char p = 'P';
+
+    private short length = 43;
+
+    private String plcId = "ABC000";
+
+    private String type = "0A";
+
+    private String id = "0101010101";
+
+    private char maohao = ':';
+
+    private char h = 'H';
+
+    private byte[]emp = new byte[]{10};
+
+}

web/src/main/java/com/zhehekeji/web/service/StreetService.java

@@ -3,6 +3,7 @@ package com.zhehekeji.web.service;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
+import com.zhehekeji.core.util.Assert;
 import com.zhehekeji.web.entity.Street;
 import com.zhehekeji.web.entity.StreetShelve;
 import com.zhehekeji.web.mapper.OrderLastMediaMapper;
@@ -12,6 +13,7 @@ import com.zhehekeji.web.pojo.street.StreetSearch;
 import com.zhehekeji.web.pojo.street.StreetType;
 import com.zhehekeji.web.pojo.street.StreetVO;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
@@ -40,7 +42,12 @@ public class StreetService {
         List<String> shelves = check(street);
         street.setCreateTime(LocalDateTime.now());
         street.setUpdateTime(LocalDateTime.now());
-        streetMapper.insert(street);
+        try {
+            streetMapper.insert(street);
+        }catch (DuplicateKeyException e){
+            Assert.isTrue(false,"PLC ID已存在");
+        }
+
         streetShelve(shelves,street.getId());
         return street.getId();
     }
@@ -90,7 +97,11 @@ public class StreetService {
     @Transactional(rollbackFor = Exception.class)
     public void edit(Street street){
         List<String> shelves = check(street);
-        streetMapper.updateById(street);
+        try {
+            streetMapper.updateById(street);
+        }catch (DuplicateKeyException e){
+            Assert.isTrue(false,"PLC ID已存在");
+        }
         delStreetShelve(street.getId());
         streetShelve(shelves,street.getId());
     }