249 lines
8.6 KiB
Go
249 lines
8.6 KiB
Go
package device
|
||
|
||
import (
|
||
"errors"
|
||
"fmt"
|
||
"time"
|
||
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/transport"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/transport/proto"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/utils/command_generater"
|
||
|
||
"github.com/google/uuid"
|
||
gproto "google.golang.org/protobuf/proto"
|
||
)
|
||
|
||
type GeneralDeviceService struct {
|
||
deviceRepo repository.DeviceRepository
|
||
deviceCommandLogRepo repository.DeviceCommandLogRepository
|
||
pendingCollectionRepo repository.PendingCollectionRepository
|
||
logger *logs.Logger
|
||
comm transport.Communicator
|
||
}
|
||
|
||
// NewGeneralDeviceService 创建一个通用设备服务
|
||
func NewGeneralDeviceService(
|
||
deviceRepo repository.DeviceRepository,
|
||
deviceCommandLogRepo repository.DeviceCommandLogRepository,
|
||
pendingCollectionRepo repository.PendingCollectionRepository,
|
||
logger *logs.Logger,
|
||
comm transport.Communicator,
|
||
) Service {
|
||
return &GeneralDeviceService{
|
||
deviceRepo: deviceRepo,
|
||
deviceCommandLogRepo: deviceCommandLogRepo,
|
||
pendingCollectionRepo: pendingCollectionRepo,
|
||
logger: logger,
|
||
comm: comm,
|
||
}
|
||
}
|
||
|
||
func (g *GeneralDeviceService) Switch(device *models.Device, action DeviceAction) error {
|
||
// 1. 依赖模型自身的 SelfCheck 进行全面校验
|
||
if err := device.SelfCheck(); err != nil {
|
||
return fmt.Errorf("设备 %v(id=%v) 未通过自检: %w", device.Name, device.ID, err)
|
||
}
|
||
if err := device.DeviceTemplate.SelfCheck(); err != nil {
|
||
return fmt.Errorf("设备 %v(id=%v) 的模板未通过自检: %w", device.Name, device.ID, err)
|
||
}
|
||
|
||
// 2. 检查预加载的 AreaController 是否有效
|
||
areaController := &device.AreaController
|
||
if err := areaController.SelfCheck(); err != nil {
|
||
return fmt.Errorf("区域主控 %v(id=%v) 未通过自检: %w", areaController.Name, areaController.ID, err)
|
||
}
|
||
|
||
// 3. 使用模型层预定义的 Bus485Properties 结构体解析设备属性
|
||
var deviceProps models.Bus485Properties
|
||
if err := device.ParseProperties(&deviceProps); err != nil {
|
||
return fmt.Errorf("解析设备 %v(id=%v) 的属性失败: %w", device.Name, device.ID, err)
|
||
}
|
||
|
||
// 4. 解析设备模板中的开关指令参数
|
||
var switchCmd models.SwitchCommands
|
||
if err := device.DeviceTemplate.ParseCommands(&switchCmd); err != nil {
|
||
return fmt.Errorf("解析设备 %v(id=%v) 的开关指令失败: %w", device.Name, device.ID, err)
|
||
}
|
||
|
||
// 5. 根据 action 生成 Modbus RTU 写入指令
|
||
onOffState := true // 默认为开启
|
||
if action == DeviceActionStop { // 如果是停止动作，则设置为关闭
|
||
onOffState = false
|
||
}
|
||
|
||
modbusCommandBytes, err := command_generater.GenerateModbusRTUSwitchCommand(
|
||
deviceProps.BusAddress,
|
||
switchCmd.ModbusStartAddress,
|
||
onOffState,
|
||
)
|
||
if err != nil {
|
||
return fmt.Errorf("生成Modbus RTU写入指令失败: %w", err)
|
||
}
|
||
|
||
// 6. 构建 Protobuf Raw485Command，包含总线号
|
||
raw485Cmd := &proto.Raw485Command{
|
||
BusNumber: int32(deviceProps.BusNumber), // 添加总线号
|
||
CommandBytes: modbusCommandBytes,
|
||
}
|
||
|
||
instruction := &proto.Instruction{
|
||
Payload: &proto.Instruction_Raw_485Command{
|
||
Raw_485Command: raw485Cmd,
|
||
},
|
||
}
|
||
|
||
message, err := gproto.Marshal(instruction)
|
||
if err != nil {
|
||
return fmt.Errorf("序列化指令失败: %w", err)
|
||
}
|
||
|
||
// 7. 发送指令
|
||
networkID := areaController.NetworkID
|
||
sendResult, err := g.comm.Send(networkID, message)
|
||
if err != nil {
|
||
return fmt.Errorf("发送指令到 %s 失败: %w", networkID, err)
|
||
}
|
||
|
||
// 8. 创建并保存命令日志
|
||
logRecord := &models.DeviceCommandLog{
|
||
MessageID: sendResult.MessageID,
|
||
DeviceID: areaController.ID,
|
||
SentAt: time.Now(),
|
||
}
|
||
if sendResult.AcknowledgedAt != nil {
|
||
logRecord.AcknowledgedAt = sendResult.AcknowledgedAt
|
||
}
|
||
if sendResult.ReceivedSuccess != nil {
|
||
logRecord.ReceivedSuccess = *sendResult.ReceivedSuccess
|
||
}
|
||
|
||
if err := g.deviceCommandLogRepo.Create(logRecord); err != nil {
|
||
// 记录日志失败是一个需要关注的问题，但可能不应该中断主流程。
|
||
// 我们记录一个错误日志，然后成功返回。
|
||
g.logger.Errorf("创建指令日志失败 (MessageID: %s): %v", sendResult.MessageID, err)
|
||
}
|
||
|
||
g.logger.Infof("成功发送指令到 %s 并创建日志 (MessageID: %s)", networkID, sendResult.MessageID)
|
||
return nil
|
||
}
|
||
|
||
// Collect 实现了 Service 接口，用于发起对指定区域主控下的多个设备的批量采集请求。
|
||
func (g *GeneralDeviceService) Collect(regionalControllerID uint, devicesToCollect []*models.Device) error {
|
||
if len(devicesToCollect) == 0 {
|
||
g.logger.Info("待采集设备列表为空，无需执行采集任务。")
|
||
return nil
|
||
}
|
||
|
||
// 1. 从设备列表中获取预加载的区域主控，并进行校验
|
||
regionalController := &devicesToCollect[0].AreaController
|
||
if regionalController.ID != regionalControllerID {
|
||
return fmt.Errorf("设备列表与指定的区域主控ID (%d) 不匹配", regionalControllerID)
|
||
}
|
||
if err := regionalController.SelfCheck(); err != nil {
|
||
return fmt.Errorf("区域主控 (ID: %d) 未通过自检: %w", regionalControllerID, err)
|
||
}
|
||
|
||
// 2. 准备采集任务列表
|
||
var childDeviceIDs []uint
|
||
var collectTasks []*proto.CollectTask
|
||
|
||
for _, dev := range devicesToCollect {
|
||
// 依赖模型自身的 SelfCheck 进行全面校验
|
||
if err := dev.SelfCheck(); err != nil {
|
||
g.logger.Warnf("跳过设备 %d，因其未通过自检: %v", dev.ID, err)
|
||
continue
|
||
}
|
||
if err := dev.DeviceTemplate.SelfCheck(); err != nil {
|
||
g.logger.Warnf("跳过设备 %d，因其设备模板未通过自检: %v", dev.ID, err)
|
||
continue
|
||
}
|
||
|
||
// 使用模板的 ParseCommands 方法获取传感器指令参数
|
||
var sensorCmd models.SensorCommands
|
||
if err := dev.DeviceTemplate.ParseCommands(&sensorCmd); err != nil {
|
||
g.logger.Warnf("跳过设备 %d，因其模板指令无法解析为 SensorCommands: %v", dev.ID, err)
|
||
continue
|
||
}
|
||
|
||
// 使用模型层预定义的 Bus485Properties 结构体解析设备属性
|
||
var deviceProps models.Bus485Properties
|
||
if err := dev.ParseProperties(&deviceProps); err != nil {
|
||
g.logger.Warnf("跳过设备 %d，因其属性解析失败: %v", dev.ID, err)
|
||
continue
|
||
}
|
||
|
||
// 生成 Modbus RTU 读取指令
|
||
modbusCommandBytes, err := command_generater.GenerateModbusRTUReadCommand(
|
||
deviceProps.BusAddress,
|
||
sensorCmd.ModbusFunctionCode,
|
||
sensorCmd.ModbusStartAddress,
|
||
sensorCmd.ModbusQuantity,
|
||
)
|
||
if err != nil {
|
||
g.logger.Warnf("跳过设备 %d，因生成Modbus RTU读取指令失败: %v", dev.ID, err)
|
||
continue
|
||
}
|
||
g.logger.Debugf("生成485指令: %v", modbusCommandBytes)
|
||
|
||
// 构建 Raw485Command，包含总线号
|
||
raw485Cmd := &proto.Raw485Command{
|
||
BusNumber: int32(deviceProps.BusNumber), // 添加总线号
|
||
CommandBytes: modbusCommandBytes,
|
||
}
|
||
|
||
collectTasks = append(collectTasks, &proto.CollectTask{
|
||
Command: raw485Cmd,
|
||
})
|
||
childDeviceIDs = append(childDeviceIDs, dev.ID)
|
||
}
|
||
|
||
if len(childDeviceIDs) == 0 {
|
||
return errors.New("经过滤后，没有可通过自检的有效设备")
|
||
}
|
||
|
||
// 3. 构建并发送指令
|
||
networkID := regionalController.NetworkID
|
||
|
||
// 4. 创建待处理请求记录
|
||
correlationID := uuid.New().String()
|
||
pendingReq := &models.PendingCollection{
|
||
CorrelationID: correlationID,
|
||
DeviceID: regionalController.ID,
|
||
CommandMetadata: childDeviceIDs,
|
||
Status: models.PendingStatusPending,
|
||
CreatedAt: time.Now(),
|
||
}
|
||
if err := g.pendingCollectionRepo.Create(pendingReq); err != nil {
|
||
g.logger.Errorf("创建待采集请求失败 (CorrelationID: %s): %v", correlationID, err)
|
||
return err
|
||
}
|
||
g.logger.Infof("成功创建待采集请求 (CorrelationID: %s, DeviceID: %d)", correlationID, regionalController.ID)
|
||
|
||
// 5. 构建最终的空中载荷
|
||
batchCmd := &proto.BatchCollectCommand{
|
||
CorrelationId: correlationID,
|
||
Tasks: collectTasks,
|
||
}
|
||
instruction := &proto.Instruction{
|
||
Payload: &proto.Instruction_BatchCollectCommand{
|
||
BatchCollectCommand: batchCmd,
|
||
},
|
||
}
|
||
payload, err := gproto.Marshal(instruction)
|
||
if err != nil {
|
||
g.logger.Errorf("序列化采集指令失败 (CorrelationID: %s): %v", correlationID, err)
|
||
return err
|
||
}
|
||
g.logger.Infof("构造空中载荷成功: networkID: %v, payload: %v", networkID, instruction)
|
||
if _, err := g.comm.Send(networkID, payload); err != nil {
|
||
g.logger.DPanicf("待采集请求 (CorrelationID: %s) 已创建，但发送到设备失败: %v。数据可能不一致！", correlationID, err)
|
||
return err
|
||
}
|
||
|
||
g.logger.Infof("成功将采集请求 (CorrelationID: %s) 发送到设备 %s", correlationID, networkID)
|
||
return nil
|
||
}
|