mirror of https://github.com/hashicorp/consul
29 lines
749 B
Go
29 lines
749 B
Go
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package lib
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import (
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"math"
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"time"
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"github.com/hashicorp/serf/coordinate"
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)
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// ComputeDistance returns the distance between the two network coordinates in
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// seconds. If either of the coordinates is nil then this will return positive
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// infinity.
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func ComputeDistance(a *coordinate.Coordinate, b *coordinate.Coordinate) float64 {
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if a == nil || b == nil {
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return math.Inf(1.0)
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}
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return a.DistanceTo(b).Seconds()
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}
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// GenerateCoordinate creates a new coordinate with the given distance from the
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// origin. This should only be used for tests.
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func GenerateCoordinate(rtt time.Duration) *coordinate.Coordinate {
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coord := coordinate.NewCoordinate(coordinate.DefaultConfig())
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coord.Vec[0] = rtt.Seconds()
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coord.Height = 0
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return coord
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}
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