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middleware/proxy: dnstap (#786)

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* experimental dnstap support into proxy

* proxy reports dnstap errors

* refactoring

* add a message builder for less dnstap code

* msg lint

* context

* proxy by DNS: dnstap comments

* TapBuilder

* resolves conflict

* dnstap into ServeDNS

* testing

* more tests

* `go lint`

* doc update
This commit is contained in:
varyoo
2017-09-01 12:41:41 +02:00
committed by Miek Gieben
parent 8f77566cdd
commit c5efd45720
13 changed files with 317 additions and 97 deletions
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8
middleware/proxy/dns.go
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@@ -28,6 +28,14 @@ func newDNSExWithOption(opt Options) *dnsEx {
return &dnsEx{Timeout: defaultTimeout * time.Second, Options: opt}
}
func (d *dnsEx) Transport() string {
if d.Options.ForceTCP {
return "tcp"
}
// The protocol will be determined by `state.Proto()` during Exchange.
return ""
}
func (d *dnsEx) Protocol() string { return "dns" }
func (d *dnsEx) OnShutdown(p *Proxy) error { return nil }
func (d *dnsEx) OnStartup(p *Proxy) error { return nil }