Add more logs

client/internal/peer/conn.go

@@ -334,6 +334,7 @@ func (conn *Conn) iCEConnectionIsReady(priority ConnPriority, iceConnInfo ICECon
 		conn.wgProxyICE = wgProxy
 	} else {
 		conn.log.Infof("direct iceConnInfo: %v", iceConnInfo.RemoteConn)
+		agentCheck(conn.log, iceConnInfo.Agent)
 		nilCheck(conn.log, iceConnInfo.RemoteConn)
 		directEp, err := net.ResolveUDPAddr("udp", iceConnInfo.RemoteConn.RemoteAddr().String())
 		if err != nil {

client/internal/peer/nilcheck.go

@@ -4,6 +4,7 @@ import (
 	"net"
 	"reflect"
 
+	"github.com/pion/ice/v3"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -15,9 +16,38 @@ func nilCheck(log *log.Entry, conn net.Conn) {
 
 	if conn.RemoteAddr() == nil {
 		log.Infof("conn.RemoteAddr() is nil")
+		return
 	}
 
 	if reflect.ValueOf(conn.RemoteAddr()).IsNil() {
 		log.Infof("value of conn.RemoteAddr() is nil")
+		return
+	}
+}
+
+func agentCheck(log *log.Entry, agent *ice.Agent) {
+	if agent == nil {
+		log.Errorf("agent is nil")
+	}
+
+	pair, err := agent.GetSelectedCandidatePair()
+	if err != nil {
+		log.Errorf("error getting selected candidate pair: %v", err)
+		return
+	}
+
+	if pair == nil {
+		log.Errorf("pair is nil")
+		return
+	}
+
+	if pair.Remote == nil {
+		log.Errorf("pair.Remote is nil")
+		return
+	}
+
+	if pair.Remote.Address() == "" {
+		log.Errorf("address is empty")
+		return
 	}
 }

client/internal/peer/worker_ice.go

@@ -29,6 +29,7 @@ type ICEConnInfo struct {
 	LocalIceCandidateEndpoint  string
 	Relayed                    bool
 	RelayedOnLocal             bool
+	Agent                      *ice.Agent
 }
 
 type WorkerICECallbacks struct {
@@ -157,6 +158,7 @@ func (w *WorkerICE) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
 		RemoteIceCandidateEndpoint: fmt.Sprintf("%s:%d", pair.Remote.Address(), pair.Remote.Port()),
 		Relayed:                    isRelayed(pair),
 		RelayedOnLocal:             isRelayCandidate(pair.Local),
+		Agent:                      agent,
 	}
 	w.log.Debugf("on ICE conn read to use ready")
 	go w.conn.OnConnReady(w.selectedPriority, ci)