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lib/connections: Correct service termination order (#7657)

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Audrius Butkevicius 2021-05-10 21:29:27 +01:00 committed by GitHub
parent 1a9b54c9fa
commit 411796606c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 16 deletions
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15
lib/connections/quic_listen.go
View File

@ -88,8 +88,10 @@ func (t *quicListener) serve(ctx context.Context) error {
l.Infoln("Listen (BEP/quic):", err)
return err
}
defer packetConn.Close()
svc, conn := stun.New(t.cfg, t, packetConn)
defer conn.Close()
wrapped := &stunConnQUICWrapper{
PacketConn: conn,
underlying: packetConn.(*net.UDPConn),
@ -98,29 +100,28 @@ func (t *quicListener) serve(ctx context.Context) error {
go svc.Serve(ctx)
registry.Register(t.uri.Scheme, wrapped)
defer registry.Unregister(t.uri.Scheme, wrapped)
listener, err := quic.Listen(wrapped, t.tlsCfg, quicConfig)
if err != nil {
l.Infoln("Listen (BEP/quic):", err)
return err
}
defer listener.Close()
t.notifyAddressesChanged(t)
defer t.clearAddresses(t)
l.Infof("QUIC listener (%v) starting", packetConn.LocalAddr())
defer l.Infof("QUIC listener (%v) shutting down", packetConn.LocalAddr())
t.mut.Lock()
t.laddr = packetConn.LocalAddr()
t.mut.Unlock()
defer func() {
l.Infof("QUIC listener (%v) shutting down", packetConn.LocalAddr())
t.mut.Lock()
t.laddr = nil
t.mut.Unlock()
registry.Unregister(t.uri.Scheme, wrapped)
t.clearAddresses(t)
_ = listener.Close()
_ = conn.Close()
_ = packetConn.Close()
}()
acceptFailures := 0

17
lib/connections/tcp_listen.go
View File

@ -61,34 +61,36 @@ func (t *tcpListener) serve(ctx context.Context) error {
l.Infoln("Listen (BEP/tcp):", err)
return err
}
defer listener.Close()
// We might bind to :0, so use the port we've been given.
tcaddr = listener.Addr().(*net.TCPAddr)
t.notifyAddressesChanged(t)
defer t.clearAddresses(t)
registry.Register(t.uri.Scheme, tcaddr)
defer registry.Unregister(t.uri.Scheme, tcaddr)
l.Infof("TCP listener (%v) starting", tcaddr)
defer l.Infof("TCP listener (%v) shutting down", tcaddr)
mapping := t.natService.NewMapping(nat.TCP, tcaddr.IP, tcaddr.Port)
mapping.OnChanged(func(_ *nat.Mapping, _, _ []nat.Address) {
t.notifyAddressesChanged(t)
})
// Should be called after t.mapping is nil'ed out.
defer t.natService.RemoveMapping(mapping)
t.mut.Lock()
t.mapping = mapping
t.laddr = tcaddr
t.mut.Unlock()
defer func() {
l.Infof("TCP listener (%v) shutting down", tcaddr)
t.natService.RemoveMapping(mapping)
t.mut.Lock()
t.mapping = nil
t.laddr = nil
t.mut.Unlock()
registry.Unregister(t.uri.Scheme, tcaddr)
t.clearAddresses(t)
_ = listener.Close()
}()
acceptFailures := 0
@ -105,9 +107,6 @@ func (t *tcpListener) serve(ctx context.Context) error {
if err == nil {
conn.Close()
}
t.mut.Lock()
t.mapping = nil
t.mut.Unlock()
return nil
default:
}