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caddy/vendor/github.com/lucas-clemente/quic-go/server_session.go
Marten Seemann dfbc2e81e3 update to quic-go v0.10.0 (#2288)
quic-go now vendors all of its dependencies, so we don't need to vendor
them here.

Created by running:
gvt delete github.com/lucas-clemente/quic-go
gvt delete github.com/bifurcation/mint
gvt delete github.com/lucas-clemente/aes12
gvt delete github.com/lucas-clemente/fnv128a
gvt delete github.com/lucas-clemente/quic-go-certificates
gvt delete github.com/aead/chacha20
gvt delete github.com/hashicorp/golang-lru
gvt fetch -tag v0.10.0-no-integrationtests github.com/lucas-clemente/quic-go
2018-09-02 15:18:54 -06:00

63 lines
1.5 KiB
Go

package quic
import (
"fmt"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils"
)
type serverSession struct {
quicSession
config *Config
logger utils.Logger
}
var _ packetHandler = &serverSession{}
func newServerSession(sess quicSession, config *Config, logger utils.Logger) packetHandler {
return &serverSession{
quicSession: sess,
config: config,
logger: logger,
}
}
func (s *serverSession) handlePacket(p *receivedPacket) {
if err := s.handlePacketImpl(p); err != nil {
s.logger.Debugf("error handling packet from %s: %s", p.remoteAddr, err)
}
}
func (s *serverSession) handlePacketImpl(p *receivedPacket) error {
hdr := p.header
// ignore all Public Reset packets
if hdr.ResetFlag {
return fmt.Errorf("Received unexpected Public Reset for connection %s", hdr.DestConnectionID)
}
// Probably an old packet that was sent by the client before the version was negotiated.
// It is safe to drop it.
if (hdr.VersionFlag || hdr.IsLongHeader) && hdr.Version != s.quicSession.GetVersion() {
return nil
}
if hdr.IsLongHeader {
switch hdr.Type {
case protocol.PacketTypeHandshake, protocol.PacketType0RTT: // 0-RTT accepted for gQUIC 44
// nothing to do here. Packet will be passed to the session.
default:
// Note that this also drops 0-RTT packets.
return fmt.Errorf("Received unsupported packet type: %s", hdr.Type)
}
}
s.quicSession.handlePacket(p)
return nil
}
func (s *serverSession) GetPerspective() protocol.Perspective {
return protocol.PerspectiveServer
}