Remove pessimistic String calls for low level logs

selection.go

@@ -59,7 +59,7 @@ func (s *controllingSelector) ContactCandidates() {
 	default:
 		p := s.agent.getBestValidCandidatePair()
 		if p != nil && s.isNominatable(p.Local) && s.isNominatable(p.Remote) {
-			s.log.Tracef("Nominatable pair found, nominating (%s, %s)", p.Local.String(), p.Remote.String())
+			s.log.Tracef("Nominatable pair found, nominating (%s, %s)", p.Local, p.Remote)
 			p.nominated = true
 			s.nominatedPair = p
 			s.nominatePair(p)
@@ -87,7 +87,7 @@ func (s *controllingSelector) nominatePair(pair *CandidatePair) {
 		return
 	}
 
-	s.log.Tracef("Ping STUN (nominate candidate pair) from %s to %s", pair.Local.String(), pair.Remote.String())
+	s.log.Tracef("Ping STUN (nominate candidate pair) from %s to %s", pair.Local, pair.Remote)
 	s.agent.sendBindingRequest(msg, pair.Local, pair.Remote)
 }
 
@@ -106,8 +106,7 @@ func (s *controllingSelector) HandleBindingRequest(m *stun.Message, local, remot
 		if bestPair == nil {
 			s.log.Tracef("No best pair available")
 		} else if bestPair.equal(p) && s.isNominatable(p.Local) && s.isNominatable(p.Remote) {
-			s.log.Tracef("The candidate (%s, %s) is the best candidate available, marking it as nominated",
-				p.Local.String(), p.Remote.String())
+			s.log.Tracef("The candidate (%s, %s) is the best candidate available, marking it as nominated", p.Local, p.Remote)
 			s.nominatedPair = p
 			s.nominatePair(p)
 		}
@@ -130,7 +129,7 @@ func (s *controllingSelector) HandleSuccessResponse(m *stun.Message, local, remo
 		return
 	}
 
-	s.log.Tracef("Inbound STUN (SuccessResponse) from %s to %s", remote.String(), local.String())
+	s.log.Tracef("Inbound STUN (SuccessResponse) from %s to %s", remote, local)
 	p := s.agent.findPair(local, remote)
 
 	if p == nil {
@@ -221,7 +220,7 @@ func (s *controlledSelector) HandleSuccessResponse(m *stun.Message, local, remot
 		return
 	}
 
-	s.log.Tracef("Inbound STUN (SuccessResponse) from %s to %s", remote.String(), local.String())
+	s.log.Tracef("Inbound STUN (SuccessResponse) from %s to %s", remote, local)
 
 	p := s.agent.findPair(local, remote)
 	if p == nil {

udp_mux.go

@@ -343,7 +343,7 @@ func (m *UDPMuxDefault) connWorker() {
 		}
 
 		if destinationConn == nil {
-			m.params.Logger.Tracef("Dropping packet from %s, addr: %s", udpAddr.addr.String(), addr.String())
+			m.params.Logger.Tracef("Dropping packet from %s, addr: %s", udpAddr.addr, addr)
 			continue
 		}