第一次提交

fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/common/ProtocolColl.java

@@ -0,0 +1,15 @@
+package com.fastbee.common;
+
+import com.fastbee.protocol.base.protocol.IProtocol;
+import lombok.Data;
+
+/**
+ * @author bill
+ */
+@Data
+public class ProtocolColl {
+
+    private IProtocol protocol;
+
+    private Long productId;
+}

fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/common/ProtocolDeCodeService.java

@@ -0,0 +1,79 @@
+package com.fastbee.common;
+
+import com.fastbee.common.core.iot.response.DeCodeBo;
+import com.fastbee.common.core.mq.message.DeviceData;
+import com.fastbee.common.exception.ServiceException;
+import com.fastbee.common.utils.gateway.CRC16Utils;
+import com.fastbee.modbus.codec.ModbusDecoder;
+import com.fastbee.modbus.codec.ModbusEncoder;
+import com.fastbee.modbus.model.ModbusRtu;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.util.ReferenceCountUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.ArrayUtils;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Component;
+
+/**
+ * 协议编解码
+ *
+ * @author gsb
+ * @date 2023/4/8 15:50
+ */
+@Component
+@Slf4j
+public class ProtocolDeCodeService {
+
+    private static ModbusDecoder decoder = new ModbusDecoder("com.fastbee.modbus");
+    private static ModbusEncoder encoder = new ModbusEncoder("com.fastbee.modbus");
+
+    public String protocolDeCode(DeCodeBo bo) {
+        if (null == bo) {
+            throw new ServiceException("输入内容为空");
+        }
+        String payload = bo.getPayload();
+        /*1-解析 2-读指令 3-写指令 4-CRC生成 5-CRC校验*/
+        switch (bo.getType()) {
+            case 1:
+                ByteBuf buf = Unpooled.wrappedBuffer(ByteBufUtil.decodeHexDump(payload));
+                DeviceData data = DeviceData.builder()
+                        .buf(buf)
+                        .build();
+                ModbusRtu message = decoder.decode(data);
+                ReferenceCountUtil.release(buf);
+                String[] split = message.toString().split("Modbus");
+                return split[0].replace(";", "<br/>");
+            case 2:
+            case 3:
+                ModbusRtu rtu = new ModbusRtu();
+                BeanUtils.copyProperties(bo,rtu);
+                ByteBuf in = encoder.encode(rtu);
+                byte[] bytes = ByteBufUtil.getBytes(in);
+                byte[] result = CRC16Utils.CRC(bytes);
+                String hexDump = ByteBufUtil.hexDump(result);
+                ReferenceCountUtil.release(in);
+                return hexDump;
+            case 4:
+                byte[] crc16Byte = ByteBufUtil.decodeHexDump(payload);
+                String crc = CRC16Utils.getCRC(crc16Byte);
+                return payload + crc;
+            case 5:
+                byte[] crcByte = ByteBufUtil.decodeHexDump(payload);
+                byte[] checksCRC = {crcByte[crcByte.length -2],crcByte[crcByte.length-1]};
+                byte[] sourceCRC = ArrayUtils.subarray(crcByte, 0, crcByte.length - 2);
+                String crc1 = CRC16Utils.getCRC(sourceCRC);
+                String check = ByteBufUtil.hexDump(checksCRC);
+                if (!crc1.equalsIgnoreCase(check)){
+                    return "原报文CRC:" + check +"校验失败,CRC值应为:" + crc1 +
+                            "<br/>完整报文:" + ByteBufUtil.hexDump(sourceCRC) +crc1;
+                }else {
+                    return "校验通过！";
+                }
+        }
+        return null;
+    }
+
+
+}