forked from grafana.jool/grafana-jool
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37 lines
827 B
37 lines
827 B
package pipeline
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import (
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"sync"
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"github.com/grafana/grafana/pkg/services/live/orgchannel"
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"github.com/grafana/grafana-plugin-sdk-go/data"
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)
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// FrameStorage keeps last channel frame in memory. Not usable in HA setup.
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type FrameStorage struct {
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mu sync.RWMutex
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frames map[string]*data.Frame
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}
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func NewFrameStorage() *FrameStorage {
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return &FrameStorage{
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frames: map[string]*data.Frame{},
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}
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}
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func (s *FrameStorage) Set(orgID int64, channel string, frame *data.Frame) error {
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key := orgchannel.PrependOrgID(orgID, channel)
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s.mu.Lock()
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defer s.mu.Unlock()
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s.frames[key] = frame
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return nil
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}
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func (s *FrameStorage) Get(orgID int64, channel string) (*data.Frame, bool, error) {
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key := orgchannel.PrependOrgID(orgID, channel)
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s.mu.RLock()
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defer s.mu.RUnlock()
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f, ok := s.frames[key]
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return f, ok, nil
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}
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