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Improve network proximity calculation

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Daniel
2021-09-29 15:43:35 +02:00
parent 4848e27966
commit 9cb7fe346e
1 changed files with 4 additions and 5 deletions
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9
intel/geoip/location.go
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@@ -84,9 +84,8 @@ func (l *Location) EstimateNetworkProximity(to *Location) (proximity int) {
case l.Coordinates.Latitude == 0 && l.Coordinates.Longitude == 0:
fallthrough
case to.Coordinates.Latitude == 0 && to.Coordinates.Longitude == 0:
// If we don't have any on any side coordinates, set accuracy to worst
// effective value.
accuracy = 1000
// If we don't have any coordinates, return.
return proximity
case to.Coordinates.AccuracyRadius > accuracy:
// If the destination accuracy is worse, use that one.
accuracy = to.Coordinates.AccuracyRadius
@@ -98,11 +97,11 @@ func (l *Location) EstimateNetworkProximity(to *Location) (proximity int) {
distanceInPercent := (earthCircumferenceInKm - km) * 100 / earthCircumferenceInKm
// apply penalty for locations with low accuracy (targeting accuracy radius >100)
accuracyModifier := 1 - float64(accuracy)/1000
accuracyModifier := 1 - float64(accuracy)/2000
proximity += int(distanceInPercent * 0.10 * accuracyModifier)
}
return //nolint:nakedret
return proximity
}
// PrimitiveNetworkProximity calculates the numerical distance between two IP addresses. Returns a proximity value between 0 (far away) and 100 (nearby).