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package traceable
import (
"crypto/tls"
"net/http/httptrace"
"time"
"github.com/network-quality/goresponsiveness/debug"
)
type Traceable interface {
SetDnsStartTimeInfo(time.Time, httptrace.DNSStartInfo)
SetDnsDoneTimeInfo(time.Time, httptrace.DNSDoneInfo)
SetConnectStartTime(time.Time)
SetConnectDoneTimeError(time.Time, error)
SetGetConnTime(time.Time)
SetGotConnTimeInfo(time.Time, httptrace.GotConnInfo)
SetTLSHandshakeStartTime(time.Time)
SetTLSHandshakeDoneTimeState(time.Time, tls.ConnectionState)
}
func GenerateHttpTimingTracer(
traceable Traceable,
debug debug.DebugLevel,
) *httptrace.ClientTrace {
tracer := httptrace.ClientTrace{
DNSStart: func(dnsStartInfo httptrace.DNSStartInfo) {
traceable.SetDnsStartTimeInfo(time.Now(), dnsStartInfo)
},
DNSDone: func(dnsDoneInfo httptrace.DNSDoneInfo) {
traceable.SetDnsDoneTimeInfo(time.Now(), dnsDoneInfo)
},
ConnectStart: func(network, address string) {
traceable.SetConnectStartTime(time.Now())
},
ConnectDone: func(network, address string, err error) {
traceable.SetConnectDoneTimeError(time.Now(), err)
},
GetConn: func(hostPort string) {
traceable.SetGetConnTime(time.Now())
},
GotConn: func(connInfo httptrace.GotConnInfo) {
if connInfo.Reused {
panic(!connInfo.Reused)
}
traceable.SetGotConnTimeInfo(time.Now(), connInfo)
},
TLSHandshakeStart: func() {
traceable.SetTLSHandshakeStartTime(time.Now())
},
TLSHandshakeDone: func(tlsConnState tls.ConnectionState, err error) {
traceable.SetTLSHandshakeDoneTimeState(time.Now(), tlsConnState)
},
}
return &tracer
}
|
