85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
package dbm
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import (
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"fmt"
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json_dataModels "github.com/tecamino/tecamino-json_data/models"
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)
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func (d *DBMHandler) Subscribe(req *json_dataModels.Request, id string) {
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if req == nil {
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return
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}
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if len(req.Subscribe) == 0 {
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return
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}
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d.RLock()
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defer d.RUnlock()
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resp := json_dataModels.NewResponse()
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resp.Id = req.Id
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for _, sub := range req.Subscribe {
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dps := d.DBM.QueryDatapoints(sub.Depth, sub.Uuid, sub.Path)
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if len(dps) == 0 {
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resp.SetError()
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if resp.Message == "" {
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resp.SetMessage(fmt.Sprintf("datapoint %s not found", sub.Path))
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}
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continue
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}
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for _, dp := range dps {
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if sub.Driver != "" {
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if dp.Drivers == nil || dp.Drivers[sub.Driver] == nil {
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continue
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}
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}
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dp.AddSubscribtion(id, sub)
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resp.AddSubscription(json_dataModels.Subscription{
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Uuid: dp.Uuid,
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Path: dp.Path,
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Value: dp.Value,
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HasChild: dp.Datapoints != nil,
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Driver: sub.Driver,
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Drivers: &dp.Drivers,
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})
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}
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}
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if err := d.Conns.SendResponse(id, resp); err != nil {
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d.Log.Error("subscribe.Subscribe", err.Error())
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}
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}
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func (d *DBMHandler) Unsubscribe(req *json_dataModels.Request, id string) {
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if req == nil {
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return
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}
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if len(req.Unsubscribe) == 0 {
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return
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}
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d.RLock()
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defer d.RUnlock()
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resp := json_dataModels.NewResponse()
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resp.Id = req.Id
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for _, sub := range req.Unsubscribe {
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for _, dp := range d.DBM.QueryDatapoints(sub.Depth, sub.Uuid, sub.Path) {
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if _, ok := dp.Subscriptions[id]; !ok {
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continue
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}
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dp.RemoveSubscribtion(id)
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resp.AddUnsubscription(json_dataModels.Subscription{
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Uuid: dp.Uuid,
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Path: dp.Path,
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})
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}
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}
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if err := d.Conns.SendResponse(id, resp); err != nil {
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d.Log.Error("subscribe.Unsubscribe", err.Error())
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}
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}
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