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38 lines
680 B
Go
38 lines
680 B
Go
package psutil
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import (
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"sync"
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"time"
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"github.com/shirou/gopsutil/v4/host"
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)
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const hostRefreshInterval = 4 * time.Hour
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type HostInfoState struct {
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mu sync.RWMutex
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lastSampleTime time.Time
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cachedInfo *host.InfoStat
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}
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func (h *HostInfoState) GetHostInfo(forceRefresh bool) (*host.InfoStat, error) {
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h.mu.RLock()
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if h.cachedInfo != nil && time.Since(h.lastSampleTime) < hostRefreshInterval && !forceRefresh {
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defer h.mu.RUnlock()
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return h.cachedInfo, nil
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}
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h.mu.RUnlock()
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hostInfo, err := host.Info()
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if err != nil {
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return nil, err
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}
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h.mu.Lock()
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h.cachedInfo = hostInfo
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h.lastSampleTime = time.Now()
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h.mu.Unlock()
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return hostInfo, nil
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}
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