52 lines
1004 B
Go
52 lines
1004 B
Go
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package memory
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import (
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"errors"
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"sync"
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"time"
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"github.com/librespeed/speedtest/database/schema"
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)
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const (
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// just enough records to return for FetchLast100
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maxRecords = 100
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)
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type Memory struct {
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lock sync.RWMutex
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records []schema.TelemetryData
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}
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func Open(_ string) *Memory {
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return &Memory{}
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}
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func (mem *Memory) Insert(data *schema.TelemetryData) error {
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mem.lock.Lock()
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defer mem.lock.Unlock()
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data.Timestamp = time.Now()
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mem.records = append(mem.records, *data)
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if len(mem.records) > maxRecords {
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mem.records = mem.records[len(mem.records)-maxRecords:]
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}
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return nil
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}
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func (mem *Memory) FetchByUUID(uuid string) (*schema.TelemetryData, error) {
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mem.lock.RLock()
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defer mem.lock.RUnlock()
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for _, record := range mem.records {
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if record.UUID == uuid {
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return &record, nil
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}
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}
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return nil, errors.New("record not found")
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}
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func (mem *Memory) FetchLast100() ([]schema.TelemetryData, error) {
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mem.lock.RLock()
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defer mem.lock.RUnlock()
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return mem.records, nil
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}
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