network/listener.go

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2022-10-11 17:36:09 +08:00
package network
import (
"crypto/tls"
"git.hpds.cc/Component/network/log"
"github.com/lucas-clemente/quic-go"
"net"
"time"
pkgtls "git.hpds.cc/Component/network/tls"
)
// A Listener for incoming connections
type Listener interface {
quic.Listener
// Name Listener's name
Name() string
// Versions get Version
Versions() []string
}
var _ Listener = (*defaultListener)(nil)
type defaultListener struct {
conf *quic.Config
quic.Listener
}
// DefaultQuicConfig be used when `quicConfig` is nil.
var DefaultQuicConfig = &quic.Config{
Versions: []quic.VersionNumber{quic.Version1, quic.VersionDraft29},
MaxIdleTimeout: time.Second * 5,
KeepAlivePeriod: time.Second * 2,
MaxIncomingStreams: 1000,
MaxIncomingUniStreams: 1000,
HandshakeIdleTimeout: time.Second * 3,
InitialStreamReceiveWindow: 1024 * 1024 * 2,
InitialConnectionReceiveWindow: 1024 * 1024 * 2,
// DisablePathMTUDiscovery: true,
}
func newListener(conn net.PacketConn, tlsConfig *tls.Config, quicConfig *quic.Config) (*defaultListener, error) {
if tlsConfig == nil {
tc, err := pkgtls.CreateServerTLSConfig(conn.LocalAddr().String())
if err != nil {
log.Errorf("%sCreateServerTLSConfig: %v", ServerLogPrefix, err)
return &defaultListener{}, err
}
tlsConfig = tc
}
if quicConfig == nil {
quicConfig = DefaultQuicConfig
}
quicListener, err := quic.Listen(conn, tlsConfig, quicConfig)
if err != nil {
log.Errorf("%squic Listen: %v", ServerLogPrefix, err)
return &defaultListener{}, err
}
return &defaultListener{conf: quicConfig, Listener: quicListener}, nil
}
func (l *defaultListener) Name() string { return "QUIC-Server" }
func (l *defaultListener) Versions() []string {
versions := make([]string, len(l.conf.Versions))
for k, v := range l.conf.Versions {
versions[k] = v.String()
}
return versions
}