Pull request 2087: AG-27616-upd-proxy-ratelimit-whitelist

Squashed commit of the following:

commit 099a2eb11609a07a1cb72d9e15da3e668042de1d
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Dec 5 17:25:49 2023 +0300

    all: upd proxy

commit db07130df80ed06b867f6ce6878908b1eb93a934
Merge: 9e6e8e7cf 75cb9d412
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Dec 5 14:44:44 2023 +0300

    Merge branch 'master' into AG-27616-upd-proxy-ratelimit-whitelist

commit 9e6e8e7cfc80507cff81761dd3964cf7777ac58b
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 29 19:46:17 2023 +0300

    all: imp tests

commit e753bb53880c2a0791d97079a12960e0b1d667ed
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 29 13:35:21 2023 +0300

    all: upd proxy ratelimit whitelist

internal/dnsforward/stats.go

@@ -10,9 +10,7 @@ import (
 	"github.com/AdguardTeam/AdGuardHome/internal/stats"
 	"github.com/AdguardTeam/dnsproxy/proxy"
 	"github.com/AdguardTeam/golibs/log"
-	"github.com/AdguardTeam/golibs/netutil"
 	"github.com/miekg/dns"
-	"golang.org/x/exp/slices"
 )
 
 // Write Stats data and logs
@@ -25,13 +23,12 @@ func (s *Server) processQueryLogsAndStats(dctx *dnsContext) (rc resultCode) {
 	host := aghnet.NormalizeDomain(q.Name)
 	processingTime := time.Since(dctx.startTime)
 
-	ip, _ := netutil.IPAndPortFromAddr(pctx.Addr)
-	ip = slices.Clone(ip)
+	ip := pctx.Addr.Addr().AsSlice()
 	s.anonymizer.Load()(ip)
 
 	log.Debug("dnsforward: client ip for stats and querylog: %s", ip)
 
-	ipStr := ip.String()
+	ipStr := pctx.Addr.Addr().String()
 	ids := []string{ipStr, dctx.clientID}
 	qt, cl := q.Qtype, q.Qclass