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Carry out an extra http request for warmup without considering for th… #189

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Apr 28, 2024
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Carry out an extra http request for warmup without considering for th… #189

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14 changes: 10 additions & 4 deletions speedtest/request.go
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Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,9 @@ func (s *Server) HTTPPing(
if err != nil {
return nil, err
}
// carry out an extra request to warm up the connection and ensure the first request is not going to affect the
// overall estimation
echoTimes++
for i := 0; i < echoTimes; i++ {
sTime := time.Now()
resp, err := s.Context.doer.Do(req)
Expand All @@ -296,10 +299,13 @@ func (s *Server) HTTPPing(
}
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
latencies = append(latencies, endTime.Nanoseconds()/2)
dbg.Printf("2RTT: %s\n", endTime)
if callback != nil {
callback(endTime / 2)
if i > 0 {
latency := endTime.Nanoseconds()
latencies = append(latencies, latency)
dbg.Printf("2RTT: %s\n", latency)
if callback != nil {
callback(endTime)
}
}
time.Sleep(echoFreq)
}
Expand Down