70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
// Copyright (C) 2019 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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//go:build go1.14 && !noquic && !go1.17
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// +build go1.14,!noquic,!go1.17
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package connections
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import (
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"crypto/tls"
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"net"
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"net/url"
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"github.com/lucas-clemente/quic-go"
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"github.com/syncthing/syncthing/lib/util"
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)
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var (
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quicConfig = &quic.Config{
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ConnectionIDLength: 4,
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KeepAlive: true,
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}
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)
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func quicNetwork(uri *url.URL) string {
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switch uri.Scheme {
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case "quic4":
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return "udp4"
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case "quic6":
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return "udp6"
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default:
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return "udp"
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}
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}
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type quicTlsConn struct {
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quic.Session
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quic.Stream
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// If we created this connection, we should be the ones closing it.
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createdConn net.PacketConn
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}
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func (q *quicTlsConn) Close() error {
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sterr := q.Stream.Close()
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seerr := q.Session.CloseWithError(0, "closing")
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var pcerr error
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if q.createdConn != nil {
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pcerr = q.createdConn.Close()
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}
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if sterr != nil {
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return sterr
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}
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if seerr != nil {
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return seerr
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}
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return pcerr
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}
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func (q *quicTlsConn) ConnectionState() tls.ConnectionState {
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return q.Session.ConnectionState().TLS.ConnectionState
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}
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// Sort available packet connections by ip address, preferring unspecified local address.
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func packetConnLess(i interface{}, j interface{}) bool {
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return util.AddressUnspecifiedLess(i.(net.PacketConn).LocalAddr(), j.(net.PacketConn).LocalAddr())
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}
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