70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
package handler
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import (
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"log"
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"strconv"
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"github.com/OktopUSP/oktopus/backend/services/mtp/adapter/internal/db"
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"github.com/OktopUSP/oktopus/backend/services/mtp/adapter/internal/usp"
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"github.com/OktopUSP/oktopus/backend/services/mtp/adapter/internal/usp/usp_msg"
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"google.golang.org/protobuf/proto"
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)
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func (h *Handler) HandleDeviceStatus(device, subject string, data []byte) {
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payload, err := strconv.Atoi(string(data))
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if err != nil {
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log.Printf("Status subject payload message error %q", err)
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}
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switch payload {
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case ONLINE:
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h.deviceOnline(device)
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case OFFLINE:
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h.deviceOffline(device)
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default:
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ignoreMsg(subject, "status", data)
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}
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}
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func (h *Handler) deviceOnline(device string) {
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log.Printf("Device %s is online", device)
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msg := usp.NewGetMsg(usp_msg.Get{
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ParamPaths: []string{
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"Device.DeviceInfo.Manufacturer",
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"Device.DeviceInfo.ModelName",
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"Device.DeviceInfo.SoftwareVersion",
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"Device.DeviceInfo.SerialNumber",
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"Device.DeviceInfo.ProductClass",
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},
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MaxDepth: 1,
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})
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payload, _ := proto.Marshal(&msg)
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record := usp.NewUspRecord(payload, device, h.cid)
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tr369Message, err := proto.Marshal(&record)
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if err != nil {
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log.Fatalln("Failed to encode tr369 record:", err)
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}
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err = h.nc.Publish(NATS_SUBJ_PREFIX+device+".info", tr369Message)
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if err != nil {
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log.Printf("Failed to publish online device message: %v", err)
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}
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}
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func (h *Handler) deviceOffline(device string) {
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log.Printf("Device %s is offline", device)
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err := h.db.UpdateStatus(device, db.Offline, db.MQTT)
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if err != nil {
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log.Fatal(err)
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}
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}
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func ignoreMsg(subject, ctx string, data []byte) {
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log.Printf("Unknown message of %s received, subject: %s, payload: %s. Ignored...", ctx, subject, string(data))
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}
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