TUN-6339: Add config for IPv6 support

connection/errors.go

@@ -18,6 +18,15 @@ func (e DupConnRegisterTunnelError) Error() string {
 	return "already connected to this server, trying another address"
 }
 
+// Dial to edge server with quic failed
+type EdgeQuicDialError struct {
+	Cause error
+}
+
+func (e EdgeQuicDialError) Error() string {
+	return "failed to dial to edge with quic: " + e.Cause.Error()
+}
+
 // RegisterTunnel error from server
 type ServerRegisterTunnelError struct {
 	Cause     error

connection/observer.go

@@ -1,6 +1,7 @@
 package connection
 
 import (
+	"net"
 	"strings"
 
 	"github.com/rs/zerolog"
@@ -8,6 +9,7 @@ import (
 
 const (
 	LogFieldLocation          = "location"
+	LogFieldIPAddress         = "ip"
 	observerChannelBufferSize = 16
 )
 
@@ -41,11 +43,12 @@ func (o *Observer) RegisterSink(sink EventSink) {
 	o.addSinkChan <- sink
 }
 
-func (o *Observer) logServerInfo(connIndex uint8, location, msg string) {
+func (o *Observer) logServerInfo(connIndex uint8, location string, address net.IP, msg string) {
 	o.sendEvent(Event{Index: connIndex, EventType: Connected, Location: location})
 	o.log.Info().
 		Uint8(LogFieldConnIndex, connIndex).
 		Str(LogFieldLocation, location).
+		IPAddr(LogFieldIPAddress, address).
 		Msg(msg)
 	o.metrics.registerServerLocation(uint8ToString(connIndex), location)
 }

connection/quic.go

@@ -55,7 +55,7 @@ func NewQUICConnection(
 ) (*QUICConnection, error) {
 	session, err := quic.DialAddr(edgeAddr.String(), tlsConfig, quicConfig)
 	if err != nil {
-		return nil, fmt.Errorf("failed to dial to edge: %w", err)
+		return nil, EdgeQuicDialError{Cause: err}
 	}
 
 	datagramMuxer, err := quicpogs.NewDatagramMuxer(session, logger)

connection/rpc.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"net"
 	"time"
 
 	"github.com/rs/zerolog"
@@ -114,7 +115,7 @@ func (rsc *registrationServerClient) RegisterConnection(
 
 	observer.metrics.regSuccess.WithLabelValues("registerConnection").Inc()
 
-	observer.logServerInfo(connIndex, conn.Location, fmt.Sprintf("Connection %s registered", conn.UUID))
+	observer.logServerInfo(connIndex, conn.Location, options.OriginLocalIP, fmt.Sprintf("Connection %s registered", conn.UUID))
 	observer.sendConnectedEvent(connIndex, conn.Location)
 
 	return conn, nil
@@ -274,7 +275,7 @@ func (h *h2muxConnection) logServerInfo(ctx context.Context, rpcClient *tunnelSe
 		h.observer.log.Err(err).Msg("Failed to retrieve server information")
 		return err
 	}
-	h.observer.logServerInfo(h.connIndex, serverInfo.LocationName, "Connection established")
+	h.observer.logServerInfo(h.connIndex, serverInfo.LocationName, net.IP{}, "Connection established")
 	return nil
 }