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@@ -1,17 +1,36 @@
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package cn.iocoder.yudao.module.iot.service.device.control;
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-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.control.IotDeviceSimulationUpstreamReqVO;
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+import cn.hutool.core.exceptions.ExceptionUtil;
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+import cn.hutool.core.lang.Assert;
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+import cn.hutool.core.util.IdUtil;
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+import cn.iocoder.yudao.framework.common.exception.ServiceException;
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+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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+import cn.iocoder.yudao.module.iot.api.device.dto.control.downstream.IotDeviceDownstreamAbstractReqDTO;
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+import cn.iocoder.yudao.module.iot.api.device.dto.control.downstream.IotDeviceServiceInvokeReqDTO;
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+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.control.IotDeviceSimulationDownstreamReqVO;
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import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDO;
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+import cn.iocoder.yudao.module.iot.dal.dataobject.plugin.IotPluginInstanceDO;
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import cn.iocoder.yudao.module.iot.enums.device.IotDeviceMessageIdentifierEnum;
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import cn.iocoder.yudao.module.iot.enums.device.IotDeviceMessageTypeEnum;
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+import cn.iocoder.yudao.module.iot.mq.message.IotDeviceMessage;
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+import cn.iocoder.yudao.module.iot.mq.producer.device.IotDeviceProducer;
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import cn.iocoder.yudao.module.iot.service.device.IotDeviceService;
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+import cn.iocoder.yudao.module.iot.service.plugin.IotPluginInstanceService;
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import jakarta.annotation.Resource;
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import lombok.extern.slf4j.Slf4j;
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+import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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+import org.springframework.web.client.RestTemplate;
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+import java.time.LocalDateTime;
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+import java.util.Map;
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import java.util.Objects;
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+import static cn.iocoder.yudao.framework.common.exception.enums.GlobalErrorCodeConstants.BAD_REQUEST;
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+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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+import static cn.iocoder.yudao.module.iot.enums.ErrorCodeConstants.DEVICE_DOWNSTREAM_FAILED;
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+
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/**
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* 设备下行 Service 实现类
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*
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@@ -24,9 +43,17 @@ public class IotDeviceDownstreamServiceImpl implements IotDeviceDownstreamServic
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@Resource
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private IotDeviceService deviceService;
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+ @Resource
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+ private IotPluginInstanceService pluginInstanceService;
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+
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+ @Resource
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+ private RestTemplate restTemplate;
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+
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+ @Resource
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+ private IotDeviceProducer deviceProducer;
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@Override
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- public void simulationDeviceDownstream(IotDeviceSimulationUpstreamReqVO downstreamReqVO) {
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+ public void simulationDeviceDownstream(IotDeviceSimulationDownstreamReqVO downstreamReqVO) {
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// 校验设备是否存在
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IotDeviceDO device = deviceService.validateDeviceExists(downstreamReqVO.getId());
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// TODO 芋艿：父设备的处理
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@@ -40,12 +67,14 @@ public class IotDeviceDownstreamServiceImpl implements IotDeviceDownstreamServic
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// 属性相关
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if (Objects.equals(downstreamReqVO.getType(), IotDeviceMessageTypeEnum.PROPERTY.getType()))
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// 属性设置
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- if (Objects.equals(downstreamReqVO.getIdentifier(), IotDeviceMessageIdentifierEnum.PROPERTY_SET.getIdentifier())) {
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+ if (Objects.equals(downstreamReqVO.getIdentifier(),
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+ IotDeviceMessageIdentifierEnum.PROPERTY_SET.getIdentifier())) {
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setDeviceProperty(downstreamReqVO, device, parentDevice);
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return;
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}
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// 属性设置
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- if (Objects.equals(downstreamReqVO.getIdentifier(), IotDeviceMessageIdentifierEnum.PROPERTY_GET.getIdentifier())) {
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+ if (Objects.equals(downstreamReqVO.getIdentifier(),
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+ IotDeviceMessageIdentifierEnum.PROPERTY_GET.getIdentifier())) {
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getDeviceProperty(downstreamReqVO, device, parentDevice);
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return;
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}
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@@ -53,22 +82,121 @@ public class IotDeviceDownstreamServiceImpl implements IotDeviceDownstreamServic
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// TODO 芋艿：配置下发
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}
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- private void invokeDeviceService(IotDeviceSimulationUpstreamReqVO downstreamReqVO,
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- IotDeviceDO device, IotDeviceDO parentDevice) {
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- // 校验服务是否存在
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- // TODO 芋艿：这里需要校验服务是否存在
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- // 调用服务
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- // TODO 芋艿：这里需要调用服务
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+ /**
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+ * 调用设备服务
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+ *
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+ * @param downstreamReqVO 下行请求
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+ * @param device 设备
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+ * @param parentDevice 父设备
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+ */
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+ @SuppressWarnings("unchecked")
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+ private void invokeDeviceService(IotDeviceSimulationDownstreamReqVO downstreamReqVO,
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+ IotDeviceDO device, IotDeviceDO parentDevice) {
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+ // 1. 参数校验
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+ if (!(downstreamReqVO.getData() instanceof Map<?, ?>)) {
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+ throw new ServiceException(BAD_REQUEST.getCode(), "data 不是 Map 类型");
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+ }
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+
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+ // 2. 发送请求
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+ String url = String.format( "sys/%s/%s/thing/service/%s",
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+ getProductKey(device, parentDevice), getDeviceName(device, parentDevice), downstreamReqVO.getIdentifier());
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+ IotDeviceServiceInvokeReqDTO reqDTO = new IotDeviceServiceInvokeReqDTO()
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+ .setParams((Map<String, Object>) downstreamReqVO.getData());
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+ CommonResult<Boolean> result = requestPlugin(url, reqDTO, device);
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+
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+ // 3. 发送设备消息
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+ IotDeviceMessage message = new IotDeviceMessage().setRequestId(reqDTO.getRequestId())
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+ .setType(IotDeviceMessageTypeEnum.SERVICE.getType()).setIdentifier(reqDTO.getIdentifier())
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+ .setData(reqDTO.getParams());
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+ sendDeviceMessage(message, device, result.getCode());
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+
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+ // 4. 如果不成功，抛出异常，提示用户
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+ if (result.isError()) {
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+ log.error("[invokeDeviceService][设备({})服务调用失败，请求参数：({})，响应结果：({})]",
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+ device.getDeviceKey(), reqDTO, result);
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+ throw exception(DEVICE_DOWNSTREAM_FAILED, result.getMsg());
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+ }
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}
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- private void setDeviceProperty(IotDeviceSimulationUpstreamReqVO downstreamReqVO,
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- IotDeviceDO device, IotDeviceDO parentDevice) {
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- // TODO 芋艿：这里需要设置设备属性
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+ /**
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+ * 设置设备属性
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+ *
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+ * @param downstreamReqVO 下行请求
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+ * @param device 设备
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+ * @param parentDevice 父设备
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+ */
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+ private void setDeviceProperty(IotDeviceSimulationDownstreamReqVO downstreamReqVO,
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+ IotDeviceDO device, IotDeviceDO parentDevice) {
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+ // TODO 1. 请求
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+
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+ // TODO 2. 发送消息
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}
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- private void getDeviceProperty(IotDeviceSimulationUpstreamReqVO downstreamReqVO,
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- IotDeviceDO device, IotDeviceDO parentDevice) {
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+ private void getDeviceProperty(IotDeviceSimulationDownstreamReqVO downstreamReqVO,
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+ IotDeviceDO device, IotDeviceDO parentDevice) {
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// TODO 芋艿：这里需要获取设备属性
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}
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+ /**
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+ * 请求插件
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+ *
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+ * @param url URL
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+ * @param reqDTO 请求参数，只需要设置子类的参数！
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+ * @param device 设备
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+ * @return 响应结果
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+ */
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+ @SuppressWarnings({"unchecked", "HttpUrlsUsage"})
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+ private CommonResult<Boolean> requestPlugin(String url, IotDeviceDownstreamAbstractReqDTO reqDTO, IotDeviceDO device) {
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+ // 获得设备对应的插件实例
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+ IotPluginInstanceDO pluginInstance = pluginInstanceService.getPluginInstanceByDeviceKey(device.getDeviceKey());
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+ if (pluginInstance == null) {
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+ throw exception(DEVICE_DOWNSTREAM_FAILED, "设备找不到对应的插件实例");
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+ }
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+
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+ // 补充通用参数
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+ reqDTO.setRequestId(IdUtil.fastSimpleUUID());
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+
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+ // 执行请求
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+ ResponseEntity<CommonResult<Boolean>> responseEntity;
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+ try {
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+ responseEntity = restTemplate.postForEntity(
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+ String.format("http://%s:%d/%s", pluginInstance.getHostIp(), pluginInstance.getDownstreamPort(), url),
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+ reqDTO, (Class<CommonResult<Boolean>>) (Class<?>) CommonResult.class);
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+ Assert.isTrue(responseEntity.getStatusCode().is2xxSuccessful(),
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+ "HTTP 状态码不是 2xx，而是" + responseEntity.getStatusCode());
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+ Assert.notNull(responseEntity.getBody(), "响应结果不能为空");
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+ } catch (Exception ex) {
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+ log.error("[requestPlugin][设备({}) url({}) 下行消息失败，请求参数({})]", device.getDeviceKey(), url, reqDTO, ex);
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+ throw exception(DEVICE_DOWNSTREAM_FAILED, ExceptionUtil.getMessage(ex));
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+ }
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+ return responseEntity.getBody();
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+ }
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+
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+ private void sendDeviceMessage(IotDeviceMessage message, IotDeviceDO device, Integer code) {
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+ // 1. 完善消息
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+ message.setProductKey(device.getProductKey()).setDeviceName(device.getDeviceName())
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+ .setDeviceKey(device.getDeviceKey());
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+ Assert.notNull(message.getRequestId(), "requestId 不能为空");
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+ if (message.getReportTime() == null) {
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+ message.setReportTime(LocalDateTime.now());
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+ }
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+ message.setCode(code);
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+
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+ // 2. 发送消息
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+ try {
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+ deviceProducer.sendDeviceMessage(message);
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+ log.info("[sendDeviceMessage][message({}) 发送消息成功]", message);
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+ } catch (Exception e) {
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+ log.error("[sendDeviceMessage][message({}) 发送消息失败]", message, e);
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+ }
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+ }
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+
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+ private String getDeviceName(IotDeviceDO device, IotDeviceDO parentDevice) {
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+ return parentDevice != null ? parentDevice.getDeviceName() : device.getDeviceName();
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+ }
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+
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+ private String getProductKey(IotDeviceDO device, IotDeviceDO parentDevice) {
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+ return parentDevice != null ? parentDevice.getProductKey() : device.getProductKey();
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+ }
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+
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}
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YunaiV