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60 lines
1.4 KiB
60 lines
1.4 KiB
package quic
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import (
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"fmt"
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"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/protocol"
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"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/utils"
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)
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type serverSession struct {
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quicSession
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config *Config
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logger utils.Logger
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}
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var _ packetHandler = &serverSession{}
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func newServerSession(sess quicSession, config *Config, logger utils.Logger) packetHandler {
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return &serverSession{
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quicSession: sess,
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config: config,
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logger: logger,
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}
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}
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func (s *serverSession) handlePacket(p *receivedPacket) {
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if err := s.handlePacketImpl(p); err != nil {
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s.logger.Debugf("error handling packet from %s: %s", p.remoteAddr, err)
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}
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}
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func (s *serverSession) handlePacketImpl(p *receivedPacket) error {
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hdr := p.hdr
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// Probably an old packet that was sent by the client before the version was negotiated.
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// It is safe to drop it.
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if hdr.IsLongHeader && hdr.Version != s.quicSession.GetVersion() {
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return nil
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}
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if hdr.IsLongHeader {
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switch hdr.Type {
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case protocol.PacketTypeInitial, protocol.PacketTypeHandshake:
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// nothing to do here. Packet will be passed to the session.
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default:
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// Note that this also drops 0-RTT packets.
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return fmt.Errorf("Received unsupported packet type: %s", hdr.Type)
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}
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}
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s.quicSession.handlePacket(p)
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return nil
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}
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func (s *serverSession) GetPerspective() protocol.Perspective {
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return protocol.PerspectiveServer
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}
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