refactor timer api

pull/432/head v2.21
Darien Raymond 2017-03-31 21:45:43 +02:00
parent a57531ef5d
commit f34ad57b58
No known key found for this signature in database
GPG Key ID: 7251FFA14BB18169
11 changed files with 25 additions and 59 deletions

View File

@ -49,7 +49,7 @@ func Pipe(timer *signal.ActivityTimer, reader Reader, writer Writer) error {
return err return err
} }
timer.UpdateActivity() timer.Update()
if buffer.IsEmpty() { if buffer.IsEmpty() {
buffer.Release() buffer.Release()

View File

@ -12,7 +12,7 @@ type ActivityTimer struct {
cancel context.CancelFunc cancel context.CancelFunc
} }
func (t *ActivityTimer) UpdateActivity() { func (t *ActivityTimer) Update() {
select { select {
case t.updated <- true: case t.updated <- true:
default: default:
@ -37,7 +37,8 @@ func (t *ActivityTimer) run() {
} }
} }
func CancelAfterInactivity(ctx context.Context, cancel context.CancelFunc, timeout time.Duration) *ActivityTimer { func CancelAfterInactivity(ctx context.Context, timeout time.Duration) (context.Context, *ActivityTimer) {
ctx, cancel := context.WithCancel(ctx)
timer := &ActivityTimer{ timer := &ActivityTimer{
ctx: ctx, ctx: ctx,
cancel: cancel, cancel: cancel,
@ -45,5 +46,5 @@ func CancelAfterInactivity(ctx context.Context, cancel context.CancelFunc, timeo
updated: make(chan bool, 1), updated: make(chan bool, 1),
} }
go timer.run() go timer.run()
return timer return ctx, timer
} }

View File

@ -60,14 +60,12 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn in
log.Info("Dokodemo: Invalid destination. Discarding...") log.Info("Dokodemo: Invalid destination. Discarding...")
return errors.New("Dokodemo: Unable to get destination.") return errors.New("Dokodemo: Unable to get destination.")
} }
ctx, cancel := context.WithCancel(ctx)
defer cancel()
timeout := time.Second * time.Duration(d.config.Timeout) timeout := time.Second * time.Duration(d.config.Timeout)
if timeout == 0 { if timeout == 0 {
timeout = time.Minute * 2 timeout = time.Minute * 2
} }
timer := signal.CancelAfterInactivity(ctx, cancel, timeout) ctx, timer := signal.CancelAfterInactivity(ctx, timeout)
inboundRay, err := dispatcher.Dispatch(ctx, dest) inboundRay, err := dispatcher.Dispatch(ctx, dest)
if err != nil { if err != nil {

View File

@ -108,15 +108,12 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
conn.SetReusable(false) conn.SetReusable(false)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
timeout := time.Second * time.Duration(v.timeout) timeout := time.Second * time.Duration(v.timeout)
if timeout == 0 { if timeout == 0 {
timeout = time.Minute * 5 timeout = time.Minute * 5
} }
log.Debug("Freedom: Cancel after ", timeout) log.Debug("Freedom: Cancel after ", timeout)
timer := signal.CancelAfterInactivity(ctx, cancel, timeout) ctx, timer := signal.CancelAfterInactivity(ctx, timeout)
requestDone := signal.ExecuteAsync(func() error { requestDone := signal.ExecuteAsync(func() error {
v2writer := buf.NewWriter(conn) v2writer := buf.NewWriter(conn)
@ -137,10 +134,9 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
}) })
if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil { if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {
log.Info("Freedom: Connection ending with ", err)
input.CloseError() input.CloseError()
output.CloseError() output.CloseError()
return err return errors.Base(err).Message("Freedom: Connection ends.")
} }
runtime.KeepAlive(timer) runtime.KeepAlive(timer)

View File

@ -121,14 +121,11 @@ func (s *Server) handleConnect(ctx context.Context, request *http.Request, reade
return errors.Base(err).Message("HTTP|Server: Failed to write back OK response.") return errors.Base(err).Message("HTTP|Server: Failed to write back OK response.")
} }
ctx, cancel := context.WithCancel(ctx)
defer cancel()
timeout := time.Second * time.Duration(s.config.Timeout) timeout := time.Second * time.Duration(s.config.Timeout)
if timeout == 0 { if timeout == 0 {
timeout = time.Minute * 2 timeout = time.Minute * 2
} }
timer := signal.CancelAfterInactivity(ctx, cancel, timeout) ctx, timer := signal.CancelAfterInactivity(ctx, timeout)
ray, err := dispatcher.Dispatch(ctx, dest) ray, err := dispatcher.Dispatch(ctx, dest)
if err != nil { if err != nil {
return err return err

View File

@ -90,17 +90,13 @@ func (v *Client) Process(ctx context.Context, outboundRay ray.OutboundRay, diale
request.Option |= RequestOptionOneTimeAuth request.Option |= RequestOptionOneTimeAuth
} }
ctx, cancel := context.WithCancel(ctx) ctx, timer := signal.CancelAfterInactivity(ctx, time.Minute*2)
defer cancel()
timer := signal.CancelAfterInactivity(ctx, cancel, time.Minute*2)
if request.Command == protocol.RequestCommandTCP { if request.Command == protocol.RequestCommandTCP {
bufferedWriter := buf.NewBufferedWriter(conn) bufferedWriter := buf.NewBufferedWriter(conn)
bodyWriter, err := WriteTCPRequest(request, bufferedWriter) bodyWriter, err := WriteTCPRequest(request, bufferedWriter)
if err != nil { if err != nil {
log.Info("Shadowsocks|Client: Failed to write request: ", err) return errors.Base(err).Message("Shadowsocks|Client: Failed to write request")
return err
} }
if err := bufferedWriter.SetBuffered(false); err != nil { if err := bufferedWriter.SetBuffered(false); err != nil {
@ -131,8 +127,7 @@ func (v *Client) Process(ctx context.Context, outboundRay ray.OutboundRay, diale
}) })
if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil { if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {
log.Info("Shadowsocks|Client: Connection ends with ", err) return errors.Base(err).Message("Shadowsocks|Client: Connection ends.")
return err
} }
return nil return nil
@ -147,8 +142,7 @@ func (v *Client) Process(ctx context.Context, outboundRay ray.OutboundRay, diale
requestDone := signal.ExecuteAsync(func() error { requestDone := signal.ExecuteAsync(func() error {
if err := buf.PipeUntilEOF(timer, outboundRay.OutboundInput(), writer); err != nil { if err := buf.PipeUntilEOF(timer, outboundRay.OutboundInput(), writer); err != nil {
log.Info("Shadowsocks|Client: Failed to transport all UDP request: ", err) return errors.Base(err).Message("Shadowsocks|Client: Failed to transport all UDP request")
return err
} }
return nil return nil
}) })
@ -162,15 +156,13 @@ func (v *Client) Process(ctx context.Context, outboundRay ray.OutboundRay, diale
} }
if err := buf.PipeUntilEOF(timer, reader, outboundRay.OutboundOutput()); err != nil { if err := buf.PipeUntilEOF(timer, reader, outboundRay.OutboundOutput()); err != nil {
log.Info("Shadowsocks|Client: Failed to transport all UDP response: ", err) return errors.Base(err).Message("Shadowsocks|Client: Failed to transport all UDP response.")
return err
} }
return nil return nil
}) })
if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil { if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {
log.Info("Shadowsocks|Client: Connection ends with ", err) return errors.Base(err).Message("Shadowsocks|Client: Connection ends.")
return err
} }
return nil return nil

View File

@ -134,8 +134,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
request, bodyReader, err := ReadTCPSession(s.user, bufferedReader) request, bodyReader, err := ReadTCPSession(s.user, bufferedReader)
if err != nil { if err != nil {
log.Access(conn.RemoteAddr(), "", log.AccessRejected, err) log.Access(conn.RemoteAddr(), "", log.AccessRejected, err)
log.Info("Shadowsocks|Server: Failed to create request from: ", conn.RemoteAddr(), ": ", err) return errors.Base(err).Message("Shadowsocks|Server: Failed to create request from: ", conn.RemoteAddr())
return err
} }
conn.SetReadDeadline(time.Time{}) conn.SetReadDeadline(time.Time{})
@ -147,9 +146,8 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
ctx = protocol.ContextWithUser(ctx, request.User) ctx = protocol.ContextWithUser(ctx, request.User)
ctx, cancel := context.WithCancel(ctx)
userSettings := s.user.GetSettings() userSettings := s.user.GetSettings()
timer := signal.CancelAfterInactivity(ctx, cancel, userSettings.PayloadTimeout) ctx, timer := signal.CancelAfterInactivity(ctx, userSettings.PayloadTimeout)
ray, err := dispatcher.Dispatch(ctx, dest) ray, err := dispatcher.Dispatch(ctx, dest)
if err != nil { if err != nil {
return err return err
@ -159,8 +157,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
bufferedWriter := buf.NewBufferedWriter(conn) bufferedWriter := buf.NewBufferedWriter(conn)
responseWriter, err := WriteTCPResponse(request, bufferedWriter) responseWriter, err := WriteTCPResponse(request, bufferedWriter)
if err != nil { if err != nil {
log.Warning("Shadowsocks|Server: Failed to write response: ", err) return errors.Base(err).Message("Shadowsocks|Server: Failed to write response.")
return err
} }
payload, err := ray.InboundOutput().Read() payload, err := ray.InboundOutput().Read()
@ -177,8 +174,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
} }
if err := buf.PipeUntilEOF(timer, ray.InboundOutput(), responseWriter); err != nil { if err := buf.PipeUntilEOF(timer, ray.InboundOutput(), responseWriter); err != nil {
log.Info("Shadowsocks|Server: Failed to transport all TCP response: ", err) return errors.Base(err).Message("Shadowsocks|Server: Failed to transport all TCP response.")
return err
} }
return nil return nil
@ -188,18 +184,15 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
defer ray.InboundInput().Close() defer ray.InboundInput().Close()
if err := buf.PipeUntilEOF(timer, bodyReader, ray.InboundInput()); err != nil { if err := buf.PipeUntilEOF(timer, bodyReader, ray.InboundInput()); err != nil {
log.Info("Shadowsocks|Server: Failed to transport all TCP request: ", err) return errors.Base(err).Message("Shadowsocks|Server: Failed to transport all TCP request.")
return err
} }
return nil return nil
}) })
if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil { if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {
log.Info("Shadowsocks|Server: Connection ends with ", err)
cancel()
ray.InboundInput().CloseError() ray.InboundInput().CloseError()
ray.InboundOutput().CloseError() ray.InboundOutput().CloseError()
return err return errors.Base(err).Message("Shadowsocks|Server: Connection ends.")
} }
runtime.KeepAlive(timer) runtime.KeepAlive(timer)

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@ -81,10 +81,7 @@ func (c *Client) Process(ctx context.Context, ray ray.OutboundRay, dialer proxy.
return errors.Base(err).RequireUserAction().Message("Socks|Client: Failed to establish connection to server.") return errors.Base(err).RequireUserAction().Message("Socks|Client: Failed to establish connection to server.")
} }
ctx, cancel := context.WithCancel(ctx) ctx, timer := signal.CancelAfterInactivity(ctx, time.Minute*2)
defer cancel()
timer := signal.CancelAfterInactivity(ctx, cancel, time.Minute*2)
var requestFunc func() error var requestFunc func() error
var responseFunc func() error var responseFunc func() error

View File

@ -110,14 +110,11 @@ func (*Server) handleUDP() error {
} }
func (v *Server) transport(ctx context.Context, reader io.Reader, writer io.Writer, dest net.Destination, dispatcher dispatcher.Interface) error { func (v *Server) transport(ctx context.Context, reader io.Reader, writer io.Writer, dest net.Destination, dispatcher dispatcher.Interface) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
timeout := time.Second * time.Duration(v.config.Timeout) timeout := time.Second * time.Duration(v.config.Timeout)
if timeout == 0 { if timeout == 0 {
timeout = time.Minute * 2 timeout = time.Minute * 2
} }
timer := signal.CancelAfterInactivity(ctx, cancel, timeout) ctx, timer := signal.CancelAfterInactivity(ctx, timeout)
ray, err := dispatcher.Dispatch(ctx, dest) ray, err := dispatcher.Dispatch(ctx, dest)
if err != nil { if err != nil {

View File

@ -193,10 +193,8 @@ func (v *Handler) Process(ctx context.Context, network net.Network, connection i
userSettings := request.User.GetSettings() userSettings := request.User.GetSettings()
ctx = protocol.ContextWithUser(ctx, request.User) ctx = protocol.ContextWithUser(ctx, request.User)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
timer := signal.CancelAfterInactivity(ctx, cancel, userSettings.PayloadTimeout) ctx, timer := signal.CancelAfterInactivity(ctx, userSettings.PayloadTimeout)
ray, err := dispatcher.Dispatch(ctx, request.Destination()) ray, err := dispatcher.Dispatch(ctx, request.Destination())
if err != nil { if err != nil {
return err return err

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@ -105,10 +105,7 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
session := encoding.NewClientSession(protocol.DefaultIDHash) session := encoding.NewClientSession(protocol.DefaultIDHash)
ctx, cancel := context.WithCancel(ctx) ctx, timer := signal.CancelAfterInactivity(ctx, time.Minute*2)
defer cancel()
timer := signal.CancelAfterInactivity(ctx, cancel, time.Minute*2)
requestDone := signal.ExecuteAsync(func() error { requestDone := signal.ExecuteAsync(func() error {
writer := buf.NewBufferedWriter(conn) writer := buf.NewBufferedWriter(conn)