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Calculate rates in detailed nodes

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This commit is contained in:
Peter Bourgon
2015-08-03 16:04:06 +02:00
parent e1f7752a34
commit 0dafad763f
7 changed files with 53 additions and 12 deletions
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render/detailed_node.go
+31 -8
View File
@@ -58,23 +58,46 @@ func (t tables) Less(i, j int) bool { return t[i].Rank > t[j].Rank }
// MakeDetailedNode transforms a renderable node to a detailed node. It uses
// aggregate metadata, plus the set of origin node IDs, to produce tables.
func MakeDetailedNode(r report.Report, n RenderableNode) DetailedNode {
sec := r.Window.Seconds()
rate := func(u *uint64) (float64, bool) {
if u == nil {
return 0.0, false
}
if sec <= 0 {
return 0.0, true
}
return float64(*u) / sec, true
}
shortenByteRate := func(rate float64) (major, minor string) {
switch {
case rate > 1024*1024:
return fmt.Sprintf("%.2f", rate/1024/1024), "MBps"
case rate > 1024:
return fmt.Sprintf("%.1f", rate/1024), "KBps"
default:
return fmt.Sprintf("%.0f", rate), "Bps"
}
}
tables := tables{}
{
rows := []Row{}
if n.EdgeMetadata.MaxConnCountTCP != nil {
rows = append(rows, Row{"TCP connections", strconv.FormatUint(*n.EdgeMetadata.MaxConnCountTCP, 10), ""})
}
if n.EdgeMetadata.EgressPacketCount != nil {
rows = append(rows, Row{"Egress packets", strconv.FormatUint(*n.EdgeMetadata.EgressPacketCount, 10), ""})
if rate, ok := rate(n.EdgeMetadata.EgressPacketCount); ok {
rows = append(rows, Row{"Egress packet rate", fmt.Sprintf("%.0f", rate), "packets/sec"})
}
if n.EdgeMetadata.IngressPacketCount != nil {
rows = append(rows, Row{"Ingress packets", strconv.FormatUint(*n.EdgeMetadata.IngressPacketCount, 10), ""})
if rate, ok := rate(n.EdgeMetadata.IngressPacketCount); ok {
rows = append(rows, Row{"Ingress packet rate", fmt.Sprintf("%.0f", rate), "packets/sec"})
}
if n.EdgeMetadata.EgressByteCount != nil {
rows = append(rows, Row{"Egress bytes", strconv.FormatUint(*n.EdgeMetadata.EgressByteCount, 10), ""}) // TODO rate
if rate, ok := rate(n.EdgeMetadata.EgressByteCount); ok {
s, unit := shortenByteRate(rate)
rows = append(rows, Row{"Egress byte rate", s, unit})
}
if n.EdgeMetadata.IngressByteCount != nil {
rows = append(rows, Row{"Ingress bytes", strconv.FormatUint(*n.EdgeMetadata.IngressByteCount, 10), ""}) // TODO rate
if rate, ok := rate(n.EdgeMetadata.IngressByteCount); ok {
s, unit := shortenByteRate(rate)
rows = append(rows, Row{"Ingress byte rate", s, unit})
}
if len(rows) > 0 {
tables = append(tables, Table{"Connections", true, connectionsRank, rows})
render/detailed_node_test.go
+2 -2
View File
@@ -66,8 +66,8 @@ func TestMakeDetailedNode(t *testing.T) {
Numeric: true,
Rank: 100,
Rows: []render.Row{
{"Egress packets", "150", ""},
{"Egress bytes", "1500", ""},
{"Egress packet rate", "75", "packets/sec"},
{"Egress byte rate", "750", "Bps"},
},
},
{