Fix #494

(not tested yet)

webapp/backend/pkg/database/helpers.go

@@ -1,12 +1,22 @@
 package database
 
 import (
-	"github.com/analogj/scrutiny/webapp/backend/pkg/models/measurements"
 	"sort"
+	"syscall"
+
+	"github.com/analogj/scrutiny/webapp/backend/pkg/models/measurements"
 )
 
 func sortSmartMeasurementsDesc(smartResults []measurements.Smart) {
 	sort.SliceStable(smartResults, func(i, j int) bool {
 		return smartResults[i].Date.After(smartResults[j].Date)
 	})
 }
+
+func getUptimeSeconds() (int64, error) {
+	sysinfo := &syscall.Sysinfo_t{}
+	if err := syscall.Sysinfo(sysinfo); err != nil {
+		return 0, err
+	}
+	return sysinfo.Uptime, nil
+}

webapp/backend/pkg/database/scrutiny_repository_temperature.go

@@ -3,28 +3,42 @@ package database
 import (
 	"context"
 	"fmt"
+	"strings"
+	"time"
+
 	"github.com/analogj/scrutiny/webapp/backend/pkg/models/collector"
 	"github.com/analogj/scrutiny/webapp/backend/pkg/models/measurements"
 	influxdb2 "github.com/influxdata/influxdb-client-go/v2"
-	"strings"
-	"time"
 )
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // Temperature Data
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 func (sr *scrutinyRepository) SaveSmartTemperature(ctx context.Context, wwn string, deviceProtocol string, collectorSmartData collector.SmartInfo) error {
-	if len(collectorSmartData.AtaSctTemperatureHistory.Table) > 0 {
+	uptimeSeconds, err := getUptimeSeconds()
+	if len(collectorSmartData.AtaSctTemperatureHistory.Table) > 0 && err == nil { //If cannot get uptime, fallback to default behavior (don't parse history)
 
 		for ndx, temp := range collectorSmartData.AtaSctTemperatureHistory.Table {
 			//temp value may be null, we must skip/ignore them. See #393
 			if temp == 0 {
 				continue
 			}
 
-			minutesOffset := collectorSmartData.AtaSctTemperatureHistory.LoggingIntervalMinutes * int64(ndx) * 60
+			index := collectorSmartData.AtaSctTemperatureHistory.Index
+			size := collectorSmartData.AtaSctTemperatureHistory.Size
+			dt := collectorSmartData.AtaSctTemperatureHistory.LoggingIntervalMinutes
+			var minutesOffset int64
+			if ndx <= index  {
+				minutesOffset = dt * int64(index-ndx)
+			} else {
+				minutesOffset = dt * int64(size+index-ndx)
+			}
+
+			if (minutesOffset * 60 > uptimeSeconds) {
+				continue // skip values before boot
+			}
 			smartTemp := measurements.SmartTemperature{
-				Date: time.Unix(collectorSmartData.LocalTime.TimeT-minutesOffset, 0),
+				Date: time.Unix(collectorSmartData.LocalTime.TimeT-(60*minutesOffset), 0),
 				Temp: temp,
 			}