| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package pinger |
| 4 | |
| 5 | import "time" |
| 6 | |
| 7 | type Sample struct { |
| 8 | Host string |
| 9 | |
| 10 | PacketsSent int64 |
| 11 | PacketsRecv int64 |
| 12 | |
| 13 | PacketLossPct float64 |
| 14 | |
| 15 | RTT RTTSummary |
| 16 | Jitter JitterSummary |
| 17 | } |
| 18 | |
| 19 | type RTTSummary struct { |
| 20 | Valid bool |
| 21 | |
| 22 | Min time.Duration |
| 23 | Max time.Duration |
| 24 | Avg time.Duration |
| 25 | StdDev time.Duration |
| 26 | } |
| 27 | |
| 28 | func (r RTTSummary) VarianceMicrosecondsSquared() int64 { |
| 29 | if !r.Valid { |
| 30 | return 0 |
| 31 | } |
| 32 | |
| 33 | us := r.StdDev.Microseconds() |
| 34 | return us * us |
| 35 | } |
| 36 | |
| 37 | func (r RTTSummary) VarianceMillisecondsSquared() float64 { |
| 38 | if !r.Valid { |
| 39 | return 0 |
| 40 | } |
| 41 | |
| 42 | ms := float64(r.StdDev) / float64(time.Millisecond) |
| 43 | return ms * ms |
| 44 | } |
| 45 | |
| 46 | type JitterSummary struct { |
| 47 | InstantValid bool |
| 48 | Mean time.Duration |
| 49 | |
| 50 | SmoothedValid bool |
| 51 | EWMA time.Duration |
| 52 | SMA time.Duration |
| 53 | } |