chore: tuic use a simple client pool
This commit is contained in:
wwqgtxx
parent
c7bad89af3
commit
7b44cde4bd
2 changed files with 102 additions and 57 deletions
|
|
@ -17,6 +17,7 @@ import (
|
|||
|
||||
"github.com/metacubex/quic-go"
|
||||
|
||||
"github.com/Dreamacro/clash/common/generics/list"
|
||||
"github.com/Dreamacro/clash/component/dialer"
|
||||
tlsC "github.com/Dreamacro/clash/component/tls"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
|
|
@ -25,8 +26,8 @@ import (
|
|||
|
||||
type Tuic struct {
|
||||
*Base
|
||||
newClient func(udp bool, opts ...dialer.Option) *tuic.Client
|
||||
getClient func(udp bool, opts ...dialer.Option) *tuic.Client
|
||||
removeClient func(udp bool, opts ...dialer.Option)
|
||||
}
|
||||
|
||||
type TuicOption struct {
|
||||
|
|
@ -57,7 +58,7 @@ type TuicOption struct {
|
|||
// DialContext implements C.ProxyAdapter
|
||||
func (t *Tuic) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
|
||||
opts = t.Base.DialOptions(opts...)
|
||||
conn, err := t.getClient(false, opts...).DialContext(ctx, metadata, func(ctx context.Context) (net.PacketConn, net.Addr, error) {
|
||||
dialFn := func(ctx context.Context) (net.PacketConn, net.Addr, error) {
|
||||
pc, err := dialer.ListenPacket(ctx, "udp", "", opts...)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
|
|
@ -67,12 +68,12 @@ func (t *Tuic) DialContext(ctx context.Context, metadata *C.Metadata, opts ...di
|
|||
return nil, nil, err
|
||||
}
|
||||
return pc, addr, err
|
||||
})
|
||||
if err != nil {
|
||||
if errors.Is(err, tuic.TooManyOpenStreams) {
|
||||
t.removeClient(false, opts...)
|
||||
return t.DialContext(ctx, metadata, opts...)
|
||||
}
|
||||
conn, err := t.getClient(false, opts...).DialContext(ctx, metadata, dialFn)
|
||||
if errors.Is(err, tuic.TooManyOpenStreams) {
|
||||
conn, err = t.newClient(false, opts...).DialContext(ctx, metadata, dialFn)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return NewConn(conn, t), err
|
||||
|
|
@ -81,7 +82,7 @@ func (t *Tuic) DialContext(ctx context.Context, metadata *C.Metadata, opts ...di
|
|||
// ListenPacketContext implements C.ProxyAdapter
|
||||
func (t *Tuic) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
|
||||
opts = t.Base.DialOptions(opts...)
|
||||
pc, err := t.getClient(true, opts...).ListenPacketContext(ctx, metadata, func(ctx context.Context) (net.PacketConn, net.Addr, error) {
|
||||
dialFn := func(ctx context.Context) (net.PacketConn, net.Addr, error) {
|
||||
pc, err := dialer.ListenPacket(ctx, "udp", "", opts...)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
|
|
@ -91,12 +92,12 @@ func (t *Tuic) ListenPacketContext(ctx context.Context, metadata *C.Metadata, op
|
|||
return nil, nil, err
|
||||
}
|
||||
return pc, addr, err
|
||||
})
|
||||
if err != nil {
|
||||
if errors.Is(err, tuic.TooManyOpenStreams) {
|
||||
t.removeClient(true, opts...)
|
||||
return t.ListenPacketContext(ctx, metadata, opts...)
|
||||
}
|
||||
pc, err := t.getClient(true, opts...).ListenPacketContext(ctx, metadata, dialFn)
|
||||
if errors.Is(err, tuic.TooManyOpenStreams) {
|
||||
pc, err = t.newClient(false, opts...).ListenPacketContext(ctx, metadata, dialFn)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newPacketConn(pc, t), nil
|
||||
|
|
@ -194,37 +195,23 @@ func NewTuic(option TuicOption) (*Tuic, error) {
|
|||
tlsConfig.ServerName = ""
|
||||
}
|
||||
tkn := tuic.GenTKN(option.Token)
|
||||
tcpClientMap := make(map[any]*tuic.Client)
|
||||
tcpClientMapMutex := &sync.Mutex{}
|
||||
udpClientMap := make(map[any]*tuic.Client)
|
||||
udpClientMapMutex := &sync.Mutex{}
|
||||
getClient := func(udp bool, opts ...dialer.Option) *tuic.Client {
|
||||
clientMap := tcpClientMap
|
||||
clientMapMutex := tcpClientMapMutex
|
||||
tcpClients := list.New[*tuic.Client]()
|
||||
tcpClientsMutex := &sync.Mutex{}
|
||||
udpClients := list.New[*tuic.Client]()
|
||||
udpClientsMutex := &sync.Mutex{}
|
||||
newClient := func(udp bool, opts ...dialer.Option) *tuic.Client {
|
||||
clients := tcpClients
|
||||
clientsMutex := tcpClientsMutex
|
||||
if udp {
|
||||
clientMap = udpClientMap
|
||||
clientMapMutex = udpClientMapMutex
|
||||
clients = udpClients
|
||||
clientsMutex = udpClientsMutex
|
||||
}
|
||||
|
||||
o := *dialer.ApplyOptions(opts...)
|
||||
var o any = *dialer.ApplyOptions(opts...)
|
||||
|
||||
clientsMutex.Lock()
|
||||
defer clientsMutex.Unlock()
|
||||
|
||||
clientMapMutex.Lock()
|
||||
defer clientMapMutex.Unlock()
|
||||
for key := range clientMap {
|
||||
client := clientMap[key]
|
||||
if client == nil {
|
||||
delete(clientMap, key) // It is safe in Golang
|
||||
continue
|
||||
}
|
||||
if key == o {
|
||||
client.LastVisited = time.Now()
|
||||
return client
|
||||
}
|
||||
if time.Now().Sub(client.LastVisited) > 30*time.Minute {
|
||||
delete(clientMap, key)
|
||||
continue
|
||||
}
|
||||
}
|
||||
client := &tuic.Client{
|
||||
TlsConfig: tlsConfig,
|
||||
QuicConfig: quicConfig,
|
||||
|
|
@ -235,26 +222,60 @@ func NewTuic(option TuicOption) (*Tuic, error) {
|
|||
ReduceRtt: option.ReduceRtt,
|
||||
RequestTimeout: option.RequestTimeout,
|
||||
MaxUdpRelayPacketSize: option.MaxUdpRelayPacketSize,
|
||||
Key: o,
|
||||
LastVisited: time.Now(),
|
||||
UDP: udp,
|
||||
}
|
||||
clientMap[o] = client
|
||||
clients.PushFront(client)
|
||||
runtime.SetFinalizer(client, closeTuicClient)
|
||||
return client
|
||||
}
|
||||
removeClient := func(udp bool, opts ...dialer.Option) {
|
||||
clientMap := tcpClientMap
|
||||
clientMapMutex := tcpClientMapMutex
|
||||
getClient := func(udp bool, opts ...dialer.Option) *tuic.Client {
|
||||
clients := tcpClients
|
||||
clientsMutex := tcpClientsMutex
|
||||
if udp {
|
||||
clientMap = udpClientMap
|
||||
clientMapMutex = udpClientMapMutex
|
||||
clients = udpClients
|
||||
clientsMutex = udpClientsMutex
|
||||
}
|
||||
|
||||
o := *dialer.ApplyOptions(opts...)
|
||||
var o any = *dialer.ApplyOptions(opts...)
|
||||
var bestClient *tuic.Client
|
||||
|
||||
clientMapMutex.Lock()
|
||||
defer clientMapMutex.Unlock()
|
||||
delete(clientMap, o)
|
||||
func() {
|
||||
clientsMutex.Lock()
|
||||
defer clientsMutex.Unlock()
|
||||
for it := clients.Front(); it != nil; {
|
||||
client := it.Value
|
||||
if client == nil {
|
||||
next := it.Next()
|
||||
clients.Remove(it)
|
||||
it = next
|
||||
continue
|
||||
}
|
||||
if client.Key == o {
|
||||
if bestClient == nil {
|
||||
bestClient = client
|
||||
} else {
|
||||
if client.OpenStreams.Load() < bestClient.OpenStreams.Load() {
|
||||
bestClient = client
|
||||
}
|
||||
}
|
||||
}
|
||||
if time.Now().Sub(client.LastVisited) > 30*time.Minute {
|
||||
next := it.Next()
|
||||
clients.Remove(it)
|
||||
it = next
|
||||
continue
|
||||
}
|
||||
it = it.Next()
|
||||
}
|
||||
}()
|
||||
|
||||
if bestClient == nil {
|
||||
return newClient(udp, opts...)
|
||||
} else {
|
||||
return bestClient
|
||||
}
|
||||
}
|
||||
|
||||
return &Tuic{
|
||||
|
|
@ -266,8 +287,8 @@ func NewTuic(option TuicOption) (*Tuic, error) {
|
|||
iface: option.Interface,
|
||||
prefer: C.NewDNSPrefer(option.IPVersion),
|
||||
},
|
||||
newClient: newClient,
|
||||
getClient: getClient,
|
||||
removeClient: removeClient,
|
||||
}, nil
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -39,13 +39,14 @@ type Client struct {
|
|||
RequestTimeout int
|
||||
MaxUdpRelayPacketSize int
|
||||
|
||||
Key any
|
||||
LastVisited time.Time
|
||||
UDP bool
|
||||
|
||||
quicConn quic.Connection
|
||||
connMutex sync.Mutex
|
||||
|
||||
openStreams atomic.Int32
|
||||
OpenStreams atomic.Int32
|
||||
|
||||
udpInputMap sync.Map
|
||||
}
|
||||
|
|
@ -242,9 +243,9 @@ func (t *Client) DialContext(ctx context.Context, metadata *C.Metadata, dialFn f
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
openStreams := t.openStreams.Add(1)
|
||||
openStreams := t.OpenStreams.Add(1)
|
||||
if openStreams >= MaxOpenStreams {
|
||||
t.openStreams.Add(-1)
|
||||
t.OpenStreams.Add(-1)
|
||||
return nil, TooManyOpenStreams
|
||||
}
|
||||
stream, err := func() (stream *quicStreamConn, err error) {
|
||||
|
|
@ -300,6 +301,9 @@ type quicStreamConn struct {
|
|||
lAddr net.Addr
|
||||
rAddr net.Addr
|
||||
client *Client
|
||||
|
||||
closeOnce sync.Once
|
||||
closeErr error
|
||||
}
|
||||
|
||||
func (q *quicStreamConn) Write(p []byte) (n int, err error) {
|
||||
|
|
@ -309,8 +313,15 @@ func (q *quicStreamConn) Write(p []byte) (n int, err error) {
|
|||
}
|
||||
|
||||
func (q *quicStreamConn) Close() error {
|
||||
q.closeOnce.Do(func() {
|
||||
q.closeErr = q.close()
|
||||
})
|
||||
return q.closeErr
|
||||
}
|
||||
|
||||
func (q *quicStreamConn) close() error {
|
||||
defer time.AfterFunc(C.DefaultTCPTimeout, func() {
|
||||
q.client.openStreams.Add(-1)
|
||||
q.client.OpenStreams.Add(-1)
|
||||
})
|
||||
|
||||
// https://github.com/cloudflare/cloudflared/commit/ed2bac026db46b239699ac5ce4fcf122d7cab2cd
|
||||
|
|
@ -342,6 +353,11 @@ func (t *Client) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
openStreams := t.OpenStreams.Add(1)
|
||||
if openStreams >= MaxOpenStreams {
|
||||
t.OpenStreams.Add(-1)
|
||||
return nil, TooManyOpenStreams
|
||||
}
|
||||
|
||||
pipe1, pipe2 := net.Pipe()
|
||||
inputCh := make(chan udpData)
|
||||
|
|
@ -380,16 +396,21 @@ type quicStreamPacketConn struct {
|
|||
|
||||
closeOnce sync.Once
|
||||
closeErr error
|
||||
closed bool
|
||||
}
|
||||
|
||||
func (q *quicStreamPacketConn) Close() error {
|
||||
q.closeOnce.Do(func() {
|
||||
q.closed = true
|
||||
q.closeErr = q.close()
|
||||
})
|
||||
return q.closeErr
|
||||
}
|
||||
|
||||
func (q *quicStreamPacketConn) close() (err error) {
|
||||
defer time.AfterFunc(C.DefaultTCPTimeout, func() {
|
||||
q.client.OpenStreams.Add(-1)
|
||||
})
|
||||
defer func() {
|
||||
q.client.deferQuicConn(q.quicConn, err)
|
||||
}()
|
||||
|
|
@ -441,6 +462,9 @@ func (q *quicStreamPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err erro
|
|||
if len(p) > q.client.MaxUdpRelayPacketSize {
|
||||
return 0, fmt.Errorf("udp packet too large(%d > %d)", len(p), q.client.MaxUdpRelayPacketSize)
|
||||
}
|
||||
if q.closed {
|
||||
return 0, net.ErrClosed
|
||||
}
|
||||
defer func() {
|
||||
q.client.deferQuicConn(q.quicConn, err)
|
||||
}()
|
||||
|
|
|
|||
Loading…
Reference in a new issue