81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package z2m
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import (
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"encoding/json"
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"fmt"
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"log"
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"strings"
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"time"
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"udi/config"
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"udi/database"
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"udi/handlers/handler"
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)
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type Z2MHandler struct {
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handler.CommonHandler
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dbh *database.DatabaseHandle
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}
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func New(id string, config config.HandlerConfigT) handler.Handler {
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t := &Z2MHandler{}
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t.Id = id
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t.dbh = database.NewDatabaseHandle()
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log.Printf("Handler Z2M %d initialized", id)
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return t
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}
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func (self *Z2MHandler) Handle(message handler.MessageT) {
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log.Printf("Handler Z2M %d processing %s -> %s", self.Id, message.Topic, message.Payload)
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var measurement database.Measurement
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measurement.Time = time.Now()
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subTopics := strings.Split(message.Topic, "/")
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deviceId := subTopics[1]
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log.Printf("DeviceId: %s", deviceId)
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measurement.Device = deviceId
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// Parse JSON direkt in eine map
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var jsonData map[string]interface{}
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err := json.Unmarshal([]byte(message.Payload), &jsonData)
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if err != nil {
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self.Lost("Failed to parse JSON payload", err, message)
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return
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}
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measurement.Attributes = make(map[string]interface{})
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measurement.Values = make(map[string]database.VariableType)
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// Extract device info for application naming
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if deviceData, ok := jsonData["device"]; ok {
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if deviceMap, ok := deviceData.(map[string]any); ok {
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manufacturerId, hasManufacturer := deviceMap["manufacturerID"]
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model, hasModel := deviceMap["model"]
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if !hasManufacturer || !hasModel {
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self.Lost("Missing manufacturerID or model in device data", fmt.Errorf("manufacturerID: %v, model: %v", hasManufacturer, hasModel), handler.MessageT{})
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return
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}
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measurement.Application = "z2m_" + fmt.Sprintf("%v", manufacturerId) + "_" + model.(string)
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}
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delete(jsonData, "device")
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}
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// Konvertiere die restlichen Elemente in VariableType-Map
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for key, value := range jsonData {
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measurement.Values[key] = database.VariableType{
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Label: key,
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Variable: "",
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Unit: "",
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Value: value,
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}
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}
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measurement.Attributes["Status"] = "ok"
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log.Printf("Prepared measurement item: %s", measurement)
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self.dbh.StoreMeasurement(&measurement)
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self.S()
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}
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