update quic-go to v0.27.0 (#264)

conn.go

@@ -13,7 +13,7 @@ import (
 )
 
 type conn struct {
-	sess      quic.Session
+	quicConn  quic.Connection
 	pconn     *reuseConn
 	transport *transport
 	scope     network.ConnManagementScope
@@ -33,16 +33,16 @@ var _ tpt.CapableConn = &conn{}
 // It must be called even if the peer closed the connection in order for
 // garbage collection to properly work in this package.
 func (c *conn) Close() error {
-	c.transport.removeConn(c.sess)
-	err := c.sess.CloseWithError(0, "")
+	c.transport.removeConn(c.quicConn)
+	err := c.quicConn.CloseWithError(0, "")
 	c.pconn.DecreaseCount()
 	c.scope.Done()
 	return err
 }
 
 // IsClosed returns whether a connection is fully closed.
 func (c *conn) IsClosed() bool {
-	return c.sess.Context().Err() != nil
+	return c.quicConn.Context().Err() != nil
 }
 
 func (c *conn) allowWindowIncrease(size uint64) bool {
@@ -51,13 +51,13 @@ func (c *conn) allowWindowIncrease(size uint64) bool {
 
 // OpenStream creates a new stream.
 func (c *conn) OpenStream(ctx context.Context) (network.MuxedStream, error) {
-	qstr, err := c.sess.OpenStreamSync(ctx)
+	qstr, err := c.quicConn.OpenStreamSync(ctx)
 	return &stream{Stream: qstr}, err
 }
 
 // AcceptStream accepts a stream opened by the other side.
 func (c *conn) AcceptStream() (network.MuxedStream, error) {
-	qstr, err := c.sess.AcceptStream(context.Background())
+	qstr, err := c.quicConn.AcceptStream(context.Background())
 	return &stream{Stream: qstr}, err
 }
 

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/libp2p/go-libp2p-testing v0.7.0
 	github.com/libp2p/go-libp2p-tls v0.3.0
 	github.com/libp2p/go-netroute v0.2.0
-	github.com/lucas-clemente/quic-go v0.26.0
+	github.com/lucas-clemente/quic-go v0.27.0
 	github.com/minio/sha256-simd v0.1.1
 	github.com/multiformats/go-multiaddr v0.4.1
 	github.com/multiformats/go-multiaddr-fmt v0.1.0

go.sum

@@ -237,8 +237,8 @@ github.com/libp2p/go-openssl v0.0.7 h1:eCAzdLejcNVBzP/iZM9vqHnQm+XyCEbSSIheIPRGN
 github.com/libp2p/go-openssl v0.0.7/go.mod h1:unDrJpgy3oFr+rqXsarWifmJuNnJR4chtO1HmaZjggc=
 github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
-github.com/lucas-clemente/quic-go v0.26.0 h1:ALBQXr9UJ8A1LyzvceX4jd9QFsHvlI0RR6BkV16o00A=
-github.com/lucas-clemente/quic-go v0.26.0/go.mod h1:AzgQoPda7N+3IqMMMkywBKggIFo2KT6pfnlrQ2QieeI=
+github.com/lucas-clemente/quic-go v0.27.0 h1:v6WY87q9zD4dKASbG8hy/LpzAVNzEQzw8sEIeloJsc4=
+github.com/lucas-clemente/quic-go v0.27.0/go.mod h1:AzgQoPda7N+3IqMMMkywBKggIFo2KT6pfnlrQ2QieeI=
 github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=

listener.go

@@ -63,24 +63,24 @@ func newListener(rconn *reuseConn, t *transport, localPeer peer.ID, key ic.PrivK
 // Accept accepts new connections.
 func (l *listener) Accept() (tpt.CapableConn, error) {
 	for {
-		sess, err := l.quicListener.Accept(context.Background())
+		qconn, err := l.quicListener.Accept(context.Background())
 		if err != nil {
 			return nil, err
 		}
-		c, err := l.setupConn(sess)
+		c, err := l.setupConn(qconn)
 		if err != nil {
-			sess.CloseWithError(0, err.Error())
+			qconn.CloseWithError(0, err.Error())
 			continue
 		}
 		if l.transport.gater != nil && !(l.transport.gater.InterceptAccept(c) && l.transport.gater.InterceptSecured(network.DirInbound, c.remotePeerID, c)) {
 			c.scope.Done()
-			sess.CloseWithError(errorCodeConnectionGating, "connection gated")
+			qconn.CloseWithError(errorCodeConnectionGating, "connection gated")
 			continue
 		}
-		l.transport.addConn(sess, c)
+		l.transport.addConn(qconn, c)
 
 		// return through active hole punching if any
-		key := holePunchKey{addr: sess.RemoteAddr().String(), peer: c.remotePeerID}
+		key := holePunchKey{addr: qconn.RemoteAddr().String(), peer: c.remotePeerID}
 		var wasHolePunch bool
 		l.transport.holePunchingMx.Lock()
 		holePunch, ok := l.transport.holePunching[key]
@@ -97,17 +97,17 @@ func (l *listener) Accept() (tpt.CapableConn, error) {
 	}
 }
 
-func (l *listener) setupConn(sess quic.Session) (*conn, error) {
+func (l *listener) setupConn(qconn quic.Connection) (*conn, error) {
 	connScope, err := l.rcmgr.OpenConnection(network.DirInbound, false)
 	if err != nil {
-		log.Debugw("resource manager blocked incoming connection", "addr", sess.RemoteAddr(), "error", err)
+		log.Debugw("resource manager blocked incoming connection", "addr", qconn.RemoteAddr(), "error", err)
 		return nil, err
 	}
 	// The tls.Config used to establish this connection already verified the certificate chain.
 	// Since we don't have any way of knowing which tls.Config was used though,
 	// we have to re-determine the peer's identity here.
 	// Therefore, this is expected to never fail.
-	remotePubKey, err := p2ptls.PubKeyFromCertChain(sess.ConnectionState().TLS.PeerCertificates)
+	remotePubKey, err := p2ptls.PubKeyFromCertChain(qconn.ConnectionState().TLS.PeerCertificates)
 	if err != nil {
 		connScope.Done()
 		return nil, err
@@ -118,19 +118,19 @@ func (l *listener) setupConn(sess quic.Session) (*conn, error) {
 		return nil, err
 	}
 	if err := connScope.SetPeer(remotePeerID); err != nil {
-		log.Debugw("resource manager blocked incoming connection for peer", "peer", remotePeerID, "addr", sess.RemoteAddr(), "error", err)
+		log.Debugw("resource manager blocked incoming connection for peer", "peer", remotePeerID, "addr", qconn.RemoteAddr(), "error", err)
 		connScope.Done()
 		return nil, err
 	}
-	remoteMultiaddr, err := toQuicMultiaddr(sess.RemoteAddr())
+	remoteMultiaddr, err := toQuicMultiaddr(qconn.RemoteAddr())
 	if err != nil {
 		connScope.Done()
 		return nil, err
 	}
 
 	l.conn.IncreaseCount()
 	return &conn{
-		sess:            sess,
+		quicConn:        qconn,
 		pconn:           l.conn,
 		transport:       l.transport,
 		scope:           connScope,

transport.go

@@ -118,7 +118,7 @@ type transport struct {
 	holePunching   map[holePunchKey]*activeHolePunch
 
 	connMx sync.Mutex
-	conns  map[quic.Session]*conn
+	conns  map[quic.Connection]*conn
 }
 
 var _ tpt.Transport = &transport{}
@@ -173,7 +173,7 @@ func NewTransport(key ic.PrivKey, psk pnet.PSK, gater connmgr.ConnectionGater, r
 		connManager:  connManager,
 		gater:        gater,
 		rcmgr:        rcmgr,
-		conns:        make(map[quic.Session]*conn),
+		conns:        make(map[quic.Connection]*conn),
 		holePunching: make(map[holePunchKey]*activeHolePunch),
 	}
 	config.AllowConnectionWindowIncrease = tr.allowWindowIncrease
@@ -215,7 +215,7 @@ func (t *transport) Dial(ctx context.Context, raddr ma.Multiaddr, p peer.ID) (tp
 	if err != nil {
 		return nil, err
 	}
-	sess, err := quicDialContext(ctx, pconn, addr, host, tlsConf, t.clientConfig)
+	qconn, err := quicDialContext(ctx, pconn, addr, host, tlsConf, t.clientConfig)
 	if err != nil {
 		scope.Done()
 		pconn.DecreaseCount()
@@ -235,11 +235,11 @@ func (t *transport) Dial(ctx context.Context, raddr ma.Multiaddr, p peer.ID) (tp
 
 	localMultiaddr, err := toQuicMultiaddr(pconn.LocalAddr())
 	if err != nil {
-		sess.CloseWithError(0, "")
+		qconn.CloseWithError(0, "")
 		return nil, err
 	}
 	c := &conn{
-		sess:            sess,
+		quicConn:        qconn,
 		pconn:           pconn,
 		transport:       t,
 		scope:           scope,
@@ -251,22 +251,22 @@ func (t *transport) Dial(ctx context.Context, raddr ma.Multiaddr, p peer.ID) (tp
 		remoteMultiaddr: remoteMultiaddr,
 	}
 	if t.gater != nil && !t.gater.InterceptSecured(network.DirOutbound, p, c) {
-		sess.CloseWithError(errorCodeConnectionGating, "connection gated")
+		qconn.CloseWithError(errorCodeConnectionGating, "connection gated")
 		return nil, fmt.Errorf("secured connection gated")
 	}
-	t.addConn(sess, c)
+	t.addConn(qconn, c)
 	return c, nil
 }
 
-func (t *transport) addConn(sess quic.Session, c *conn) {
+func (t *transport) addConn(conn quic.Connection, c *conn) {
 	t.connMx.Lock()
-	t.conns[sess] = c
+	t.conns[conn] = c
 	t.connMx.Unlock()
 }
 
-func (t *transport) removeConn(sess quic.Session) {
+func (t *transport) removeConn(conn quic.Connection) {
 	t.connMx.Lock()
-	delete(t.conns, sess)
+	delete(t.conns, conn)
 	t.connMx.Unlock()
 }
 
@@ -376,13 +376,13 @@ func (t *transport) Listen(addr ma.Multiaddr) (tpt.Listener, error) {
 	return ln, nil
 }
 
-func (t *transport) allowWindowIncrease(sess quic.Session, size uint64) bool {
-	// If the QUIC session tries to increase the window before we've inserted it
+func (t *transport) allowWindowIncrease(conn quic.Connection, size uint64) bool {
+	// If the QUIC connection tries to increase the window before we've inserted it
 	// into our connections map (which we do right after dialing / accepting it),
 	// we have no way to account for that memory. This should be very rare.
-	// Block this attempt. The session can request more memory later.
+	// Block this attempt. The connection can request more memory later.
 	t.connMx.Lock()
-	c, ok := t.conns[sess]
+	c, ok := t.conns[conn]
 	t.connMx.Unlock()
 	if !ok {
 		return false

transport_test.go

@@ -83,7 +83,7 @@ func TestConnectionPassedToQUIC(t *testing.T) {
 	defer func() { quicDialContext = origQuicDialContext }()
 
 	var conn net.PacketConn
-	quicDialContext = func(_ context.Context, c net.PacketConn, _ net.Addr, _ string, _ *tls.Config, _ *quic.Config) (quic.Session, error) {
+	quicDialContext = func(_ context.Context, c net.PacketConn, _ net.Addr, _ string, _ *tls.Config, _ *quic.Config) (quic.Connection, error) {
 		conn = c
 		return nil, errors.New("listen error")
 	}