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remove context in struct

pull/861/head
Darien Raymond 7 years ago
parent
a1ae4aa515
commit
efcb567273
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GPG Key ID: 7251FFA14BB18169
44 changed files with 380 additions and 271 deletions
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  1. 4
      app/commander/commander.go
  2. 25
      app/commander/outbound.go
  3. 2
      app/dispatcher/default.go
  4. 3
      app/dns/server.go
  5. 4
      app/log/log.go
  6. 3
      app/policy/manager.go
  7. 4
      app/proxyman/command/command.go
  8. 3
      app/proxyman/inbound/always.go
  9. 53
      app/proxyman/inbound/dynamic.go
  10. 4
      app/proxyman/inbound/inbound.go
  11. 82
      app/proxyman/inbound/worker.go
  12. 3
      app/proxyman/mux/mux.go
  13. 8
      app/proxyman/mux/session.go
  14. 3
      app/proxyman/mux/writer.go
  15. 2
      app/proxyman/outbound/outbound.go
  16. 4
      app/router/router.go
  17. 6
      clock.go
  18. 6
      commander.go
  19. 17
      common/interfaces.go
  20. 48
      common/signal/done.go
  21. 8
      common/signal/notifier.go
  22. 10
      common/signal/semaphore.go
  23. 60
      common/signal/task.go
  24. 10
      common/signal/timer.go
  25. 14
      dns.go
  26. 13
      network.go
  27. 8
      policy.go
  28. 3
      proxy/vmess/encoding/encoding_test.go
  29. 27
      proxy/vmess/encoding/server.go
  30. 10
      proxy/vmess/inbound/inbound.go
  31. 58
      proxy/vmess/vmess.go
  32. 13
      router.go
  33. 4
      testing/servers/http/http.go
  34. 4
      testing/servers/tcp/tcp.go
  35. 4
      testing/servers/udp/udp.go
  36. 29
      transport/internet/kcp/listener.go
  37. 32
      transport/internet/tcp/hub.go
  38. 28
      transport/internet/tcp_hub.go
  39. 4
      transport/internet/udp/dispatcher_test.go
  40. 6
      transport/internet/udp/hub.go
  41. 8
      transport/internet/websocket/hub.go
  42. 3
      transport/ray/direct.go
  43. 7
      transport/ray/ray.go
  44. 4
      v2ray.go

4
app/commander/commander.go
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@ -72,7 +72,7 @@ func (c *Commander) Start() error {
return nil
}
func (c *Commander) Close() {
func (c *Commander) Close() error {
c.Lock()
defer c.Unlock()
@ -80,6 +80,8 @@ func (c *Commander) Close() {
c.server.Stop()
c.server = nil
}
return nil
}
func init() {

25
app/commander/outbound.go
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@ -3,6 +3,7 @@ package commander
import (
"context"
"net"
"sync"
"v2ray.com/core/common/signal"
"v2ray.com/core/transport/ray"
@ -43,12 +44,24 @@ func (l *OutboundListener) Addr() net.Addr {
type CommanderOutbound struct {
tag string
listener *OutboundListener
access sync.RWMutex
closed bool
}
func (co *CommanderOutbound) Dispatch(ctx context.Context, r ray.OutboundRay) {
co.access.RLock()
if co.closed {
r.OutboundInput().CloseError()
r.OutboundOutput().CloseError()
co.access.RUnlock()
return
}
closeSignal := signal.NewNotifier()
c := ray.NewConnection(r.OutboundInput(), r.OutboundOutput(), ray.ConnCloseSignal(closeSignal))
co.listener.add(c)
co.access.RUnlock()
<-closeSignal.Wait()
return
@ -59,7 +72,17 @@ func (co *CommanderOutbound) Tag() string {
}
func (co *CommanderOutbound) Start() error {
co.access.Lock()
co.closed = false
co.access.Unlock()
return nil
}
func (co *CommanderOutbound) Close() {}
func (co *CommanderOutbound) Close() error {
co.access.Lock()
co.closed = true
co.listener.Close()
co.access.Unlock()
return nil
}

2
app/dispatcher/default.go
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@ -49,7 +49,7 @@ func (*DefaultDispatcher) Start() error {
}
// Close implements app.Application.
func (*DefaultDispatcher) Close() {}
func (*DefaultDispatcher) Close() error { return nil }
// Dispatch implements core.Dispatcher.
func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destination) (ray.InboundRay, error) {

3
app/dns/server.go
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@ -83,7 +83,8 @@ func (s *Server) Start() error {
return nil
}
func (*Server) Close() {
func (*Server) Close() error {
return nil
}
func (s *Server) GetCached(domain string) []net.IP {

4
app/log/log.go
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@ -103,11 +103,13 @@ func (g *Instance) Handle(msg log.Message) {
}
// Close implement app.Application.Close().
func (g *Instance) Close() {
func (g *Instance) Close() error {
g.Lock()
defer g.Unlock()
g.active = false
return nil
}
func init() {

3
app/policy/manager.go
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@ -51,7 +51,8 @@ func (m *Instance) Start() error {
}
// Close implements app.Application.Close().
func (m *Instance) Close() {
func (m *Instance) Close() error {
return nil
}
func init() {

4
app/proxyman/command/command.go
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@ -119,7 +119,9 @@ func (*feature) Start() error {
return nil
}
func (*feature) Close() {}
func (*feature) Close() error {
return nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {

3
app/proxyman/inbound/always.go
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@ -76,10 +76,11 @@ func (h *AlwaysOnInboundHandler) Start() error {
return nil
}
func (h *AlwaysOnInboundHandler) Close() {
func (h *AlwaysOnInboundHandler) Close() error {
for _, worker := range h.workers {
worker.Close()
}
return nil
}
func (h *AlwaysOnInboundHandler) GetRandomInboundProxy() (interface{}, net.Port, int) {

53
app/proxyman/inbound/dynamic.go
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@ -5,17 +5,18 @@ import (
"sync"
"time"
"v2ray.com/core"
"v2ray.com/core/app/proxyman"
"v2ray.com/core/app/proxyman/mux"
"v2ray.com/core/common/dice"
"v2ray.com/core/common/net"
"v2ray.com/core/common/signal"
"v2ray.com/core/proxy"
)
type DynamicInboundHandler struct {
tag string
ctx context.Context
cancel context.CancelFunc
v *core.Instance
proxyConfig interface{}
receiverConfig *proxyman.ReceiverConfig
portMutex sync.Mutex
@ -24,18 +25,26 @@ type DynamicInboundHandler struct {
worker []worker
lastRefresh time.Time
mux *mux.Server
task *signal.PeriodicTask
}
func NewDynamicInboundHandler(ctx context.Context, tag string, receiverConfig *proxyman.ReceiverConfig, proxyConfig interface{}) (*DynamicInboundHandler, error) {
ctx, cancel := context.WithCancel(ctx)
v := core.FromContext(ctx)
if v == nil {
return nil, newError("V is not in context.")
}
h := &DynamicInboundHandler{
ctx: ctx,
tag: tag,
cancel: cancel,
proxyConfig: proxyConfig,
receiverConfig: receiverConfig,
portsInUse: make(map[net.Port]bool),
mux: mux.NewServer(ctx),
v: v,
}
h.task = &signal.PeriodicTask{
Interval: time.Minute * time.Duration(h.receiverConfig.AllocationStrategy.GetRefreshValue()),
Execute: h.refresh,
}
return h, nil
@ -59,9 +68,7 @@ func (h *DynamicInboundHandler) allocatePort() net.Port {
}
}
func (h *DynamicInboundHandler) waitAnyCloseWorkers(ctx context.Context, cancel context.CancelFunc, workers []worker, duration time.Duration) {
time.Sleep(duration)
cancel()
func (h *DynamicInboundHandler) closeWorkers(workers []worker) {
ports2Del := make([]net.Port, len(workers))
for idx, worker := range workers {
ports2Del[idx] = worker.Port()
@ -80,7 +87,6 @@ func (h *DynamicInboundHandler) refresh() error {
timeout := time.Minute * time.Duration(h.receiverConfig.AllocationStrategy.GetRefreshValue()) * 2
concurrency := h.receiverConfig.AllocationStrategy.GetConcurrencyValue()
ctx, cancel := context.WithTimeout(h.ctx, timeout)
workers := make([]worker, 0, concurrency)
address := h.receiverConfig.Listen.AsAddress()
@ -89,11 +95,12 @@ func (h *DynamicInboundHandler) refresh() error {
}
for i := uint32(0); i < concurrency; i++ {
port := h.allocatePort()
p, err := proxy.CreateInboundHandler(ctx, h.proxyConfig)
rawProxy, err := h.v.CreateObject(h.proxyConfig)
if err != nil {
newError("failed to create proxy instance").Base(err).AtWarning().WriteToLog()
continue
}
p := rawProxy.(proxy.Inbound)
nl := p.Network()
if nl.HasNetwork(net.Network_TCP) {
worker := &tcpWorker{
@ -134,33 +141,19 @@ func (h *DynamicInboundHandler) refresh() error {
h.worker = workers
h.workerMutex.Unlock()
go h.waitAnyCloseWorkers(ctx, cancel, workers, timeout)
time.AfterFunc(timeout, func() {
h.closeWorkers(workers)
})
return nil
}
func (h *DynamicInboundHandler) monitor() {
timer := time.NewTicker(time.Minute * time.Duration(h.receiverConfig.AllocationStrategy.GetRefreshValue()))
defer timer.Stop()
for {
select {
case <-h.ctx.Done():
return
case <-timer.C:
h.refresh()
}
}
}
func (h *DynamicInboundHandler) Start() error {
err := h.refresh()
go h.monitor()
return err
return h.task.Start()
}
func (h *DynamicInboundHandler) Close() {
h.cancel()
func (h *DynamicInboundHandler) Close() error {
return h.task.Close()
}
func (h *DynamicInboundHandler) GetRandomInboundProxy() (interface{}, net.Port, int) {

4
app/proxyman/inbound/inbound.go
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@ -99,7 +99,7 @@ func (m *Manager) Start() error {
return nil
}
func (m *Manager) Close() {
func (m *Manager) Close() error {
m.access.Lock()
defer m.access.Unlock()
@ -111,6 +111,8 @@ func (m *Manager) Close() {
for _, handler := range m.untaggedHandler {
handler.Close()
}
return nil
}
func NewHandler(ctx context.Context, config *core.InboundHandlerConfig) (core.InboundHandler, error) {

82
app/proxyman/inbound/worker.go
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@ -9,8 +9,10 @@ import (
"v2ray.com/core"
"v2ray.com/core/app/proxyman"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/net"
"v2ray.com/core/common/signal"
"v2ray.com/core/proxy"
"v2ray.com/core/transport/internet"
"v2ray.com/core/transport/internet/tcp"
@ -19,7 +21,7 @@ import (
type worker interface {
Start() error
Close()
Close() error
Port() net.Port
Proxy() proxy.Inbound
}
@ -34,13 +36,11 @@ type tcpWorker struct {
dispatcher core.Dispatcher
sniffers []proxyman.KnownProtocols
ctx context.Context
cancel context.CancelFunc
hub internet.Listener
hub internet.Listener
}
func (w *tcpWorker) callback(conn internet.Connection) {
ctx, cancel := context.WithCancel(w.ctx)
ctx, cancel := context.WithCancel(context.Background())
if w.recvOrigDest {
dest, err := tcp.GetOriginalDestination(conn)
if err != nil {
@ -70,45 +70,24 @@ func (w *tcpWorker) Proxy() proxy.Inbound {
}
func (w *tcpWorker) Start() error {
ctx, cancel := context.WithCancel(context.Background())
w.ctx = ctx
w.cancel = cancel
ctx = internet.ContextWithStreamSettings(ctx, w.stream)
conns := make(chan internet.Connection, 16)
hub, err := internet.ListenTCP(ctx, w.address, w.port, conns)
ctx := internet.ContextWithStreamSettings(context.Background(), w.stream)
hub, err := internet.ListenTCP(ctx, w.address, w.port, func(conn internet.Connection) {
go w.callback(conn)
})
if err != nil {
return newError("failed to listen TCP on ", w.port).AtWarning().Base(err)
}
go w.handleConnections(conns)
w.hub = hub
return nil
}
func (w *tcpWorker) handleConnections(conns <-chan internet.Connection) {
for {
select {
case <-w.ctx.Done():
w.hub.Close()
L:
for {
select {
case conn := <-conns:
conn.Close()
default:
break L
}
}
return
case conn := <-conns:
go w.callback(conn)
}
}
}
func (w *tcpWorker) Close() {
func (w *tcpWorker) Close() error {
if w.hub != nil {
w.cancel()
common.Close(w.hub)
common.Close(w.proxy)
}
return nil
}
func (w *tcpWorker) Port() net.Port {
@ -121,8 +100,7 @@ type udpConn struct {
output func([]byte) (int, error)
remote net.Addr
local net.Addr
ctx context.Context
cancel context.CancelFunc
done *signal.Done
}
func (c *udpConn) updateActivity() {
@ -135,7 +113,7 @@ func (c *udpConn) Read(buf []byte) (int, error) {
defer in.Release()
c.updateActivity()
return copy(buf, in.Bytes()), nil
case <-c.ctx.Done():
case <-c.done.C():
return 0, io.EOF
}
}
@ -150,6 +128,7 @@ func (c *udpConn) Write(buf []byte) (int, error) {
}
func (c *udpConn) Close() error {
common.Close(c.done)
return nil
}
@ -189,8 +168,7 @@ type udpWorker struct {
tag string
dispatcher core.Dispatcher
ctx context.Context
cancel context.CancelFunc
done *signal.Done
activeConn map[connId]*udpConn
}
@ -215,6 +193,7 @@ func (w *udpWorker) getConnection(id connId) (*udpConn, bool) {
IP: w.address.IP(),
Port: int(w.port),
},
done: signal.NewDone(),
}
w.activeConn[id] = conn
@ -230,16 +209,15 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
conn, existing := w.getConnection(id)
select {
case conn.input <- b:
case <-conn.done.C():
b.Release()
default:
b.Release()
}
if !existing {
go func() {
ctx := w.ctx
ctx, cancel := context.WithCancel(ctx)
conn.ctx = ctx
conn.cancel = cancel
ctx := context.Background()
if originalDest.IsValid() {
ctx = proxy.ContextWithOriginalTarget(ctx, originalDest)
}
@ -251,8 +229,8 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
if err := w.proxy.Process(ctx, net.Network_UDP, conn, w.dispatcher); err != nil {
newError("connection ends").Base(err).WriteToLog()
}
conn.Close()
w.removeConn(id)
cancel()
}()
}
}
@ -265,9 +243,7 @@ func (w *udpWorker) removeConn(id connId) {
func (w *udpWorker) Start() error {
w.activeConn = make(map[connId]*udpConn, 16)
ctx, cancel := context.WithCancel(context.Background())
w.ctx = ctx
w.cancel = cancel
w.done = signal.NewDone()
h, err := udp.ListenUDP(w.address, w.port, udp.ListenOption{
Callback: w.callback,
ReceiveOriginalDest: w.recvOrigDest,
@ -280,11 +256,13 @@ func (w *udpWorker) Start() error {
return nil
}
func (w *udpWorker) Close() {
func (w *udpWorker) Close() error {
if w.hub != nil {
w.hub.Close()
w.cancel()
w.done.Close()
common.Close(w.proxy)
}
return nil
}
func (w *udpWorker) monitor() {
@ -293,7 +271,7 @@ func (w *udpWorker) monitor() {
for {
select {
case <-w.ctx.Done():
case <-w.done.C():
return
case <-timer.C:
nowSec := time.Now().Unix()
@ -301,7 +279,7 @@ func (w *udpWorker) monitor() {
for addr, conn := range w.activeConn {
if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 8 {
delete(w.activeConn, addr)
conn.cancel()
conn.Close()
}
}
w.Unlock()

3
app/proxyman/mux/mux.go
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@ -291,7 +291,8 @@ func (s *Server) Start() error {
return nil
}
func (s *Server) Close() {
func (s *Server) Close() error {
return nil
}
type ServerWorker struct {

8
app/proxyman/mux/session.go
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@ -103,12 +103,12 @@ func (m *SessionManager) CloseIfNoSession() bool {
return true
}
func (m *SessionManager) Close() {
func (m *SessionManager) Close() error {
m.Lock()
defer m.Unlock()
if m.closed {
return
return nil
}
m.closed = true
@ -119,6 +119,7 @@ func (m *SessionManager) Close() {
}
m.sessions = nil
return nil
}
// Session represents a client connection in a Mux connection.
@ -131,10 +132,11 @@ type Session struct {
}
// Close closes all resources associated with this session.
func (s *Session) Close() {
func (s *Session) Close() error {
s.output.Close()
s.input.Close()
s.parent.Remove(s.ID)
return nil
}
// NewReader creates a buf.Reader based on the transfer type of this Session.

3
app/proxyman/mux/writer.go
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@ -100,7 +100,7 @@ func (w *Writer) WriteMultiBuffer(mb buf.MultiBuffer) error {
return nil
}
func (w *Writer) Close() {
func (w *Writer) Close() error {
meta := FrameMetadata{
SessionID: w.id,
SessionStatus: SessionStatusEnd,
@ -110,4 +110,5 @@ func (w *Writer) Close() {
common.Must(frame.Reset(meta.AsSupplier()))
w.writer.WriteMultiBuffer(buf.NewMultiBufferValue(frame))
return nil
}

2
app/proxyman/outbound/outbound.go
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@ -39,7 +39,7 @@ func New(ctx context.Context, config *proxyman.OutboundConfig) (*Manager, error)
func (*Manager) Start() error { return nil }
// Close implements core.Feature
func (*Manager) Close() {}
func (*Manager) Close() error { return nil }
// GetDefaultHandler implements core.OutboundHandlerManager.
func (m *Manager) GetDefaultHandler() core.OutboundHandler {

4
app/router/router.go
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@ -114,7 +114,9 @@ func (*Router) Start() error {
return nil
}
func (*Router) Close() {}
func (*Router) Close() error {
return nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {

6
clock.go
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@ -40,15 +40,15 @@ func (c *syncClock) Start() error {
return c.Clock.Start()
}
func (c *syncClock) Close() {
func (c *syncClock) Close() error {
c.RLock()
defer c.RUnlock()
if c.Clock == nil {
return
return nil
}
c.Clock.Close()
return c.Clock.Close()
}
func (c *syncClock) Set(clock Clock) {

6
commander.go
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@ -44,15 +44,15 @@ func (c *syncCommander) Start() error {
return c.Commander.Start()
}
func (c *syncCommander) Close() {
func (c *syncCommander) Close() error {
c.RLock()
defer c.RUnlock()
if c.Commander == nil {
return
return nil
}
c.Commander.Close()
return c.Commander.Close()
}
func (c *syncCommander) Set(commander Commander) {

17
common/interfaces.go
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@ -1,10 +1,23 @@
package common
// Closable is the interface for objects that can release its resources.
type Closable interface {
// Close release all resources used by this object, including goroutines.
Close() error
}
// Close closes the obj if it is a Closable.
func Close(obj interface{}) error {
if c, ok := obj.(Closable); ok {
return c.Close()
}
return nil
}
// Runnable is the interface for objects that can start to work and stop on demand.
type Runnable interface {
// Start starts the runnable object. Upon the method returning nil, the object begins to function properly.
Start() error
// Close stops the object being working.
Close()
Closable
}

48
common/signal/done.go
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@ -0,0 +1,48 @@
package signal
import (
"sync"
)
type Done struct {
access sync.Mutex
c chan struct{}
closed bool
}
func NewDone() *Done {
return &Done{
c: make(chan struct{}),
}
}
func (d *Done) Done() bool {
select {
case <-d.c:
return true
default:
return false
}
}
func (d *Done) C() chan struct{} {
return d.c
}
func (d *Done) Wait() {
<-d.c
}
func (d *Done) Close() error {
d.access.Lock()
defer d.access.Unlock()
if d.closed {
return nil
}
d.closed = true
close(d.c)
return nil
}

8
common/signal/notifier.go
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@ -1,22 +1,22 @@
package signal
type Notifier struct {
c chan bool
c chan struct{}
}
func NewNotifier() *Notifier {
return &Notifier{
c: make(chan bool, 1),
c: make(chan struct{}, 1),
}
}
func (n *Notifier) Signal() {
select {
case n.c <- true:
case n.c <- struct{}{}:
default:
}
}
func (n *Notifier) Wait() <-chan bool {
func (n *Notifier) Wait() <-chan struct{} {
return n.c
}

10
common/signal/semaphore.go
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@ -1,23 +1,23 @@
package signal
type Semaphore struct {
token chan bool
token chan struct{}
}
func NewSemaphore(n int) *Semaphore {
s := &Semaphore{
token: make(chan bool, n),
token: make(chan struct{}, n),
}
for i := 0; i < n; i++ {
s.token <- true
s.token <- struct{}{}
}
return s
}
func (s *Semaphore) Wait() <-chan bool {
func (s *Semaphore) Wait() <-chan struct{} {
return s.token
}
func (s *Semaphore) Signal() {
s.token <- true
s.token <- struct{}{}
}

60
common/signal/task.go
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@ -0,0 +1,60 @@
package signal
import (
"sync"
"time"
)
type PeriodicTask struct {
Interval time.Duration
Execute func() error
access sync.Mutex
timer *time.Timer
closed bool
}
func (t *PeriodicTask) checkedExecute() error {
t.access.Lock()
defer t.access.Unlock()
if t.closed {
return nil
}
if err := t.Execute(); err != nil {
return err
}
t.timer = time.AfterFunc(t.Interval, func() {
t.checkedExecute()
})
return nil
}
func (t *PeriodicTask) Start() error {
t.access.Lock()
t.closed = false
t.access.Unlock()
if err := t.checkedExecute(); err != nil {
t.closed = true
return err
}
return nil
}
func (t *PeriodicTask) Close() error {
t.access.Lock()
defer t.access.Unlock()
t.closed = true
if t.timer != nil {
t.timer.Stop()
t.timer = nil
}
return nil
}

10
common/signal/timer.go
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@ -10,14 +10,14 @@ type ActivityUpdater interface {
}
type ActivityTimer struct {
updated chan bool
updated chan struct{}
timeout chan time.Duration
closing chan bool
closing chan struct{}
}
func (t *ActivityTimer) Update() {
select {
case t.updated <- true:
case t.updated <- struct{}{}:
default:
}
}
@ -72,8 +72,8 @@ func (t *ActivityTimer) run(ctx context.Context, cancel context.CancelFunc) {
func CancelAfterInactivity(ctx context.Context, cancel context.CancelFunc, timeout time.Duration) *ActivityTimer {
timer := &ActivityTimer{
timeout: make(chan time.Duration, 1),
updated: make(chan bool, 1),
closing: make(chan bool),
updated: make(chan struct{}, 1),
closing: make(chan struct{}),
}
timer.timeout <- timeout
go timer.run(ctx, cancel)

14
dns.go
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@ -1,7 +1,11 @@
package core
import "net"
import "sync"
import (
"net"
"sync"
"v2ray.com/core/common"
)
// DNSClient is a V2Ray feature for querying DNS information.
type DNSClient interface {
@ -36,13 +40,11 @@ func (d *syncDNSClient) Start() error {
return d.DNSClient.Start()
}
func (d *syncDNSClient) Close() {
func (d *syncDNSClient) Close() error {
d.RLock()
defer d.RUnlock()
if d.DNSClient != nil {
d.DNSClient.Close()
}
return common.Close(d.DNSClient)
}
func (d *syncDNSClient) Set(client DNSClient) {

13
network.go
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@ -21,6 +21,7 @@ type InboundHandler interface {
// OutboundHandler is the interface for handlers that process outbound connections.
type OutboundHandler interface {
common.Runnable
Tag() string
Dispatch(ctx context.Context, outboundRay ray.OutboundRay)
}
@ -75,13 +76,11 @@ func (m *syncInboundHandlerManager) Start() error {
return m.InboundHandlerManager.Start()
}
func (m *syncInboundHandlerManager) Close() {
func (m *syncInboundHandlerManager) Close() error {
m.RLock()
defer m.RUnlock()
if m.InboundHandlerManager != nil {
m.InboundHandlerManager.Close()
}
return common.Close(m.InboundHandlerManager)
}
func (m *syncInboundHandlerManager) Set(manager InboundHandlerManager) {
@ -154,13 +153,11 @@ func (m *syncOutboundHandlerManager) Start() error {
return m.OutboundHandlerManager.Start()
}
func (m *syncOutboundHandlerManager) Close() {
func (m *syncOutboundHandlerManager) Close() error {
m.RLock()
defer m.RUnlock()
if m.OutboundHandlerManager != nil {
m.OutboundHandlerManager.Close()
}
return common.Close(m.OutboundHandlerManager)
}
func (m *syncOutboundHandlerManager) Set(manager OutboundHandlerManager) {

8
policy.go
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@ -3,6 +3,8 @@ package core
import (
"sync"
"time"
"v2ray.com/core/common"
)
// TimeoutPolicy contains limits for connection timeout.
@ -96,13 +98,11 @@ func (m *syncPolicyManager) Start() error {
return m.PolicyManager.Start()
}
func (m *syncPolicyManager) Close() {
func (m *syncPolicyManager) Close() error {
m.RLock()
defer m.RUnlock()
if m.PolicyManager != nil {
m.PolicyManager.Close()
}
return common.Close(m.PolicyManager)
}
func (m *syncPolicyManager) Set(manager PolicyManager) {

3
proxy/vmess/encoding/encoding_test.go
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@ -48,8 +48,9 @@ func TestRequestSerialization(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
sessionHistory := NewSessionHistory()
userValidator := vmess.NewTimedUserValidator(ctx, protocol.DefaultIDHash)
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
userValidator.Add(user)
defer common.Close(userValidator)
server := NewServerSession(userValidator, sessionHistory)
actualRequest, err := server.DecodeRequestHeader(buffer)

27
proxy/vmess/encoding/server.go
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@ -30,28 +30,34 @@ type sessionId struct {
type SessionHistory struct {
sync.RWMutex
cache map[sessionId]time.Time
token *signal.Semaphore
timer *time.Timer
task *signal.PeriodicTask
}
func NewSessionHistory() *SessionHistory {
h := &SessionHistory{
cache: make(map[sessionId]time.Time, 128),
token: signal.NewSemaphore(1),
}
h.task = &signal.PeriodicTask{
Interval: time.Second * 30,
Execute: func() error {
h.removeExpiredEntries()
return nil
},
}
common.Must(h.task.Start())
return h
}
// Close implements common.Closable.
func (h *SessionHistory) Close() error {
return h.task.Close()
}
func (h *SessionHistory) add(session sessionId) {
h.Lock()
defer h.Unlock()
h.cache[session] = time.Now().Add(time.Minute * 3)
select {
case <-h.token.Wait():
h.timer = time.AfterFunc(time.Minute*3, h.removeExpiredEntries)
default:
}
}
func (h *SessionHistory) has(session sessionId) bool {
@ -75,11 +81,6 @@ func (h *SessionHistory) removeExpiredEntries() {
delete(h.cache, session)
}
}
if h.timer != nil {
h.timer.Stop()
h.timer = nil
}
}
type ServerSession struct {

10
proxy/vmess/inbound/inbound.go
Unescape View File

@ -90,7 +90,7 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
handler := &Handler{
policyManager: v.PolicyManager(),
inboundHandlerManager: v.InboundHandlerManager(),
clients: vmess.NewTimedUserValidator(ctx, protocol.DefaultIDHash),
clients: vmess.NewTimedUserValidator(protocol.DefaultIDHash),
detours: config.Detour,
usersByEmail: newUserByEmail(config.User, config.GetDefaultValue()),
sessionHistory: encoding.NewSessionHistory(),
@ -105,6 +105,14 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
return handler, nil
}
// Close implements common.Closable.
func (h *Handler) Close() error {
common.Close(h.clients)
common.Close(h.sessionHistory)
common.Close(h.usersByEmail)
return nil
}
// Network implements proxy.Inbound.Network().
func (*Handler) Network() net.NetworkList {
return net.NetworkList{

58
proxy/vmess/vmess.go
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@ -8,17 +8,17 @@ package vmess
//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg vmess -path Proxy,VMess
import (
"context"
"sync"
"time"
"v2ray.com/core/common"
"v2ray.com/core/common/protocol"
"v2ray.com/core/common/signal"
)
const (
updateIntervalSec = 10
cacheDurationSec = 120
updateInterval = 10 * time.Second
cacheDurationSec = 120
)
type idEntry struct {
@ -34,6 +34,7 @@ type TimedUserValidator struct {
ids []*idEntry
hasher protocol.IDHash
baseTime protocol.Timestamp
task *signal.PeriodicTask
}
type indexTimePair struct {
@ -41,16 +42,23 @@ type indexTimePair struct {
timeInc uint32
}
func NewTimedUserValidator(ctx context.Context, hasher protocol.IDHash) protocol.UserValidator {
tus := &TimedUserValidator{
func NewTimedUserValidator(hasher protocol.IDHash) protocol.UserValidator {
tuv := &TimedUserValidator{
validUsers: make([]*protocol.User, 0, 16),
userHash: make(map[[16]byte]indexTimePair, 512),
ids: make([]*idEntry, 0, 512),
hasher: hasher,
baseTime: protocol.Timestamp(time.Now().Unix() - cacheDurationSec*3),
}
go tus.updateUserHash(ctx, updateIntervalSec*time.Second)
return tus
tuv.task = &signal.PeriodicTask{
Interval: updateInterval,
Execute: func() error {
tuv.updateUserHash()
return nil
},
}
tuv.task.Start()
return tuv
}
func (v *TimedUserValidator) generateNewHashes(nowSec protocol.Timestamp, idx int, entry *idEntry) {
@ -78,24 +86,19 @@ func (v *TimedUserValidator) removeExpiredHashes(expire uint32) {
}
}
func (v *TimedUserValidator) updateUserHash(ctx context.Context, interval time.Duration) {
for {
select {
case now := <-time.After(interval):
nowSec := protocol.Timestamp(now.Unix() + cacheDurationSec)
v.Lock()
for _, entry := range v.ids {
v.generateNewHashes(nowSec, entry.userIdx, entry)
}
expire := protocol.Timestamp(now.Unix() - cacheDurationSec*3)
if expire > v.baseTime {
v.removeExpiredHashes(uint32(expire - v.baseTime))
}
v.Unlock()
case <-ctx.Done():
return
}
func (v *TimedUserValidator) updateUserHash() {
now := time.Now()
nowSec := protocol.Timestamp(now.Unix() + cacheDurationSec)
v.Lock()
defer v.Unlock()
for _, entry := range v.ids {
v.generateNewHashes(nowSec, entry.userIdx, entry)
}
expire := protocol.Timestamp(now.Unix() - cacheDurationSec*3)
if expire > v.baseTime {
v.removeExpiredHashes(uint32(expire - v.baseTime))
}
}
@ -145,3 +148,8 @@ func (v *TimedUserValidator) Get(userHash []byte) (*protocol.User, protocol.Time
}
return nil, 0, false
}
// Close implements common.Closable.
func (v *TimedUserValidator) Close() error {
return v.task.Close()
}

13
router.go
Unescape View File

@ -4,6 +4,7 @@ import (
"context"
"sync"
"v2ray.com/core/common"
"v2ray.com/core/common/errors"
"v2ray.com/core/common/net"
"v2ray.com/core/transport/ray"
@ -45,13 +46,11 @@ func (d *syncDispatcher) Start() error {
return d.Dispatcher.Start()
}
func (d *syncDispatcher) Close() {
func (d *syncDispatcher) Close() error {
d.RLock()
defer d.RUnlock()
if d.Dispatcher != nil {
d.Dispatcher.Close()
}
return common.Close(d.Dispatcher)
}
func (d *syncDispatcher) Set(disp Dispatcher) {
@ -101,13 +100,11 @@ func (r *syncRouter) Start() error {
return r.Router.Start()
}
func (r *syncRouter) Close() {
func (r *syncRouter) Close() error {
r.RLock()
defer r.RUnlock()
if r.Router != nil {
r.Router.Close()
}
return common.Close(r.Router)
}
func (r *syncRouter) Set(router Router) {

4
testing/servers/http/http.go
Unescape View File

@ -36,6 +36,6 @@ func (s *Server) Start() (net.Destination, error) {
return net.TCPDestination(net.LocalHostIP, net.Port(s.Port)), nil
}
func (s *Server) Close() {
s.server.Close()
func (s *Server) Close() error {
return s.server.Close()
}

4
testing/servers/tcp/tcp.go
Unescape View File

@ -69,6 +69,6 @@ func (server *Server) handleConnection(conn net.Conn) {
conn.Close()
}
func (server *Server) Close() {
server.listener.Close()
func (server *Server) Close() error {
return server.listener.Close()
}

4
testing/servers/udp/udp.go
Unescape View File

@ -46,7 +46,7 @@ func (server *Server) handleConnection(conn *net.UDPConn) {
}
}
func (server *Server) Close() {
func (server *Server) Close() error {
server.accepting = false
server.conn.Close()
return server.conn.Close()
}

29
transport/internet/kcp/listener.go
Unescape View File

@ -23,7 +23,6 @@ type ConnectionID struct {
// Listener defines a server listening for connections
type Listener struct {
sync.Mutex
ctx context.Context
sessions map[ConnectionID]*Connection
hub *udp.Hub
tlsConfig *tls.Config
@ -31,10 +30,10 @@ type Listener struct {
reader PacketReader
header internet.PacketHeader
security cipher.AEAD
addConn internet.AddConnection
addConn internet.ConnHandler
}
func NewListener(ctx context.Context, address net.Address, port net.Port, addConn internet.AddConnection) (*Listener, error) {
func NewListener(ctx context.Context, address net.Address, port net.Port, addConn internet.ConnHandler) (*Listener, error) {
networkSettings := internet.TransportSettingsFromContext(ctx)
kcpSettings := networkSettings.(*Config)
@ -54,7 +53,6 @@ func NewListener(ctx context.Context, address net.Address, port net.Port, addCon
Security: security,
},
sessions: make(map[ConnectionID]*Connection),
ctx: ctx,
config: kcpSettings,
addConn: addConn,
}
@ -86,12 +84,6 @@ func (l *Listener) OnReceive(payload *buf.Buffer, src net.Destination, originalD
l.Lock()
defer l.Unlock()
select {
case <-l.ctx.Done():
return
default:
}
if l.hub == nil {
return
}
@ -136,23 +128,16 @@ func (l *Listener) OnReceive(payload *buf.Buffer, src net.Destination, originalD
netConn = tlsConn
}
if !l.addConn(context.Background(), netConn) {
return
}
l.addConn(netConn)
l.sessions[id] = conn
}
conn.Input(segments)
}
func (l *Listener) Remove(id ConnectionID) {
select {
case <-l.ctx.Done():
return
default:
l.Lock()
delete(l.sessions, id)
l.Unlock()
}
l.Lock()
delete(l.sessions, id)
l.Unlock()
}
// Close stops listening on the UDP address. Already Accepted connections are not closed.
@ -197,7 +182,7 @@ func (w *Writer) Close() error {
return nil
}
func ListenKCP(ctx context.Context, address net.Address, port net.Port, addConn internet.AddConnection) (internet.Listener, error) {
func ListenKCP(ctx context.Context, address net.Address, port net.Port, addConn internet.ConnHandler) (internet.Listener, error) {
return NewListener(ctx, address, port, addConn)
}

32
transport/internet/tcp/hub.go
Unescape View File

@ -3,10 +3,10 @@ package tcp
import (
"context"
gotls "crypto/tls"
"strings"
"v2ray.com/core/common"
"v2ray.com/core/common/net"
"v2ray.com/core/common/retry"
"v2ray.com/core/transport/internet"
"v2ray.com/core/transport/internet/tls"
)
@ -17,11 +17,11 @@ type Listener struct {
tlsConfig *gotls.Config
authConfig internet.ConnectionAuthenticator
config *Config
addConn internet.AddConnection
addConn internet.ConnHandler
}
// ListenTCP creates a new Listener based on configurations.
func ListenTCP(ctx context.Context, address net.Address, port net.Port, addConn internet.AddConnection) (internet.Listener, error) {
func ListenTCP(ctx context.Context, address net.Address, port net.Port, handler internet.ConnHandler) (internet.Listener, error) {
listener, err := net.ListenTCP("tcp", &net.TCPAddr{
IP: address.IP(),
Port: int(port),
@ -36,7 +36,7 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, addConn
l := &Listener{
listener: listener,
config: tcpSettings,
addConn: addConn,
addConn: handler,
}
if config := tls.ConfigFromContext(ctx, tls.WithNextProto("h2")); config != nil {
@ -54,27 +54,17 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, addConn
}
l.authConfig = auth
}
go l.keepAccepting(ctx)
go l.keepAccepting()
return l, nil
}
func (v *Listener) keepAccepting(ctx context.Context) {
func (v *Listener) keepAccepting() {
for {
select {
case <-ctx.Done():
return
default:
}
var conn net.Conn
err := retry.ExponentialBackoff(5, 200).On(func() error {
rawConn, err := v.listener.Accept()
if err != nil {
return err
}
conn = rawConn
return nil
})
conn, err := v.listener.Accept()
if err != nil {
if strings.Contains(err.Error(), "closed") {
break
}
newError("failed to accepted raw connections").Base(err).AtWarning().WriteToLog()
continue
}
@ -86,7 +76,7 @@ func (v *Listener) keepAccepting(ctx context.Context) {
conn = v.authConfig.Server(conn)
}
v.addConn(context.Background(), internet.Connection(conn))
v.addConn(internet.Connection(conn))
}
}

28
transport/internet/tcp_hub.go
Unescape View File

@ -2,7 +2,6 @@ package internet
import (
"context"
"time"
"v2ray.com/core/common/net"
)
@ -19,16 +18,16 @@ func RegisterTransportListener(protocol TransportProtocol, listener ListenFunc)
return nil
}
type AddConnection func(context.Context, Connection) bool
type ConnHandler func(Connection)
type ListenFunc func(ctx context.Context, address net.Address, port net.Port, addConn AddConnection) (Listener, error)
type ListenFunc func(ctx context.Context, address net.Address, port net.Port, handler ConnHandler) (Listener, error)
type Listener interface {
Close() error
Addr() net.Addr
}
func ListenTCP(ctx context.Context, address net.Address, port net.Port, conns chan<- Connection) (Listener, error) {
func ListenTCP(ctx context.Context, address net.Address, port net.Port, handler ConnHandler) (Listener, error) {
settings := StreamSettingsFromContext(ctx)
protocol := settings.GetEffectiveProtocol()
transportSettings, err := settings.GetEffectiveTransportSettings()
@ -47,26 +46,7 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, conns ch
if listenFunc == nil {
return nil, newError(protocol, " listener not registered.").AtError()
}
listener, err := listenFunc(ctx, address, port, func(ctx context.Context, conn Connection) bool {
select {
case <-ctx.Done():
conn.Close()
return false
case conns <- conn:
return true
default:
select {
case <-ctx.Done():
conn.Close()
return false
case conns <- conn:
return true
case <-time.After(time.Second * 5):
conn.Close()
return false
}
}
})
listener, err := listenFunc(ctx, address, port, handler)
if err != nil {
return nil, newError("failed to listen on address: ", address, ":", port).Base(err)
}

4
transport/internet/udp/dispatcher_test.go
Unescape View File

@ -25,7 +25,9 @@ func (d *TestDispatcher) Start() error {
return nil
}
func (d *TestDispatcher) Close() {}
func (d *TestDispatcher) Close() error {
return nil
}
func TestSameDestinationDispatching(t *testing.T) {
assert := With(t)

6
transport/internet/udp/hub.go
Unescape View File

@ -60,10 +60,11 @@ func (q *PayloadQueue) Dequeue(queue <-chan Payload) {
}
}
func (q *PayloadQueue) Close() {
func (q *PayloadQueue) Close() error {
for _, queue := range q.queue {
close(queue)
}
return nil
}
type ListenOption struct {
@ -116,9 +117,10 @@ func ListenUDP(address net.Address, port net.Port, option ListenOption) (*Hub, e
return hub, nil
}
func (h *Hub) Close() {
func (h *Hub) Close() error {
h.cancel()
h.conn.Close()
return nil
}
func (h *Hub) WriteTo(payload []byte, dest net.Destination) (int, error) {

8
transport/internet/websocket/hub.go
Unescape View File

@ -44,24 +44,22 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
remoteAddr.(*net.TCPAddr).IP = forwardedAddrs[0].IP()
}
h.ln.addConn(h.ln.ctx, newConnection(conn, remoteAddr))
h.ln.addConn(newConnection(conn, remoteAddr))
}
type Listener struct {
sync.Mutex
ctx context.Context
listener net.Listener
tlsConfig *tls.Config
config *Config
addConn internet.AddConnection
addConn internet.ConnHandler
}
func ListenWS(ctx context.Context, address net.Address, port net.Port, addConn internet.AddConnection) (internet.Listener, error) {
func ListenWS(ctx context.Context, address net.Address, port net.Port, addConn internet.ConnHandler) (internet.Listener, error) {
networkSettings := internet.TransportSettingsFromContext(ctx)
wsSettings := networkSettings.(*Config)
l := &Listener{
ctx: ctx,
config: wsSettings,
addConn: addConn,
}

3
transport/ray/direct.go
Unescape View File

@ -209,12 +209,13 @@ func (s *Stream) WriteMultiBuffer(data buf.MultiBuffer) error {
}
// Close closes the stream for writing. Read() still works until EOF.
func (s *Stream) Close() {
func (s *Stream) Close() error {
s.access.Lock()
s.close = true
s.readSignal.Signal()
s.writeSignal.Signal()
s.access.Unlock()
return nil
}
// CloseError closes the Stream with error. Read() will return an error afterwards.

7
transport/ray/ray.go
Unescape View File

@ -1,6 +1,9 @@
package ray
import "v2ray.com/core/common/buf"
import (
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
)
// OutboundRay is a transport interface for outbound connections.
type OutboundRay interface {
@ -34,7 +37,7 @@ type Ray interface {
}
type RayStream interface {
Close()
common.Closable
CloseError()
}

4
v2ray.go
Unescape View File

@ -101,7 +101,7 @@ func (s *Instance) ID() uuid.UUID {
}
// Close shutdown the V2Ray instance.
func (s *Instance) Close() {
func (s *Instance) Close() error {
s.access.Lock()
defer s.access.Unlock()
@ -109,6 +109,8 @@ func (s *Instance) Close() {
for _, f := range s.features {
f.Close()
}
return nil
}
// Start starts the V2Ray instance, including all registered features. When Start returns error, the state of the instance is unknown.

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