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Improve timeout canceler

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This commit is contained in:
世界 2023-03-23 15:14:21 +08:00
parent f9516709da
commit 4328c535a9
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GPG key ID: CD109927C34A63C4
7 changed files with 8 additions and 110 deletions
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48
common/canceler/instance.go
View file

@ -1,48 +0,0 @@
package canceler
import (
"context"
"time"
)
type Instance struct {
ctx context.Context
cancelFunc context.CancelFunc
timer *time.Timer
timeout time.Duration
}
func New(ctx context.Context, cancelFunc context.CancelFunc, timeout time.Duration) *Instance {
instance := &Instance{
ctx,
cancelFunc,
time.NewTimer(timeout),
timeout,
}
go instance.wait()
return instance
}
func (i *Instance) Update() bool {
if !i.timer.Stop() {
return false
}
if !i.timer.Reset(i.timeout) {
return false
}
return true
}
func (i *Instance) wait() {
select {
case <-i.timer.C:
case <-i.ctx.Done():
}
i.Close()
}
func (i *Instance) Close() error {
i.timer.Stop()
i.cancelFunc()
return nil
}

49
common/canceler/packet.go
View file

@ -1,49 +0,0 @@
package canceler
import (
"context"
"time"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type PacketConn struct {
N.PacketConn
instance *Instance
}
func NewPacketConn(ctx context.Context, conn N.PacketConn, timeout time.Duration) (context.Context, N.PacketConn) {
ctx, cancel := context.WithCancel(ctx)
instance := New(ctx, cancel, timeout)
return ctx, &PacketConn{conn, instance}
}
func (c *PacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
destination, err = c.PacketConn.ReadPacket(buffer)
if err == nil {
c.instance.Update()
}
return
}
func (c *PacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
err := c.PacketConn.WritePacket(buffer, destination)
if err == nil {
c.instance.Update()
}
return err
}
func (c *PacketConn) Close() error {
return common.Close(
c.PacketConn,
c.instance,
)
}
func (c *PacketConn) Upstream() any {
return c.PacketConn
}

4
go.mod
View file

@ -25,11 +25,11 @@ require (
github.com/sagernet/gomobile v0.0.0-20221130124640-349ebaa752ca
github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32
github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046
github.com/sagernet/sing v0.2.1-0.20230323071235-f8038854d286
github.com/sagernet/sing-dns v0.1.4
github.com/sagernet/sing-shadowsocks v0.2.0
github.com/sagernet/sing-shadowtls v0.1.0
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d
github.com/sagernet/sing-tun v0.1.3-0.20230323073325-35d565af6515
github.com/sagernet/sing-vmess v0.1.3
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9

8
go.sum
View file

@ -111,16 +111,16 @@ github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8 h1:4M3+0/kqvJuTsi
github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
github.com/sagernet/sing v0.1.8/go.mod h1:jt1w2u7lJQFFSGLiRrRIs5YWmx4kAPfWuOejuDW9qMk=
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046 h1:/+ZWbxRvQmco9ES2qT5Eh/x/IiQRjAcUyRG/vQ4dpxc=
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing v0.2.1-0.20230323071235-f8038854d286 h1:0Td2b5l1KgrdlOnbRWgFFWsyb0TLoq/tP6j9Lut4JN0=
github.com/sagernet/sing v0.2.1-0.20230323071235-f8038854d286/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing-dns v0.1.4 h1:7VxgeoSCiiazDSaXXQVcvrTBxFpOePPq/4XdgnUDN+0=
github.com/sagernet/sing-dns v0.1.4/go.mod h1:1+6pCa48B1AI78lD+/i/dLgpw4MwfnsSpZo0Ds8wzzk=
github.com/sagernet/sing-shadowsocks v0.2.0 h1:ILDWL7pwWfkPLEbviE/MyCgfjaBmJY/JVVY+5jhSb58=
github.com/sagernet/sing-shadowsocks v0.2.0/go.mod h1:ysYzszRLpNzJSorvlWRMuzU6Vchsp7sd52q+JNY4axw=
github.com/sagernet/sing-shadowtls v0.1.0 h1:05MYce8aR5xfKIn+y7xRFsdKhKt44QZTSEQW+lG5IWQ=
github.com/sagernet/sing-shadowtls v0.1.0/go.mod h1:Kn1VUIprdkwCgkS6SXYaLmIpKzQbqBIKJBMY+RvBhYc=
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d h1:1gt4Hu2fHCrmL2NZYCNJ3nCgeczuhK09oCMni9mZmZk=
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d/go.mod h1:KnRkwaDHbb06zgeNPu0LQ8A+vA9myMxKEgHN1brCPHg=
github.com/sagernet/sing-tun v0.1.3-0.20230323073325-35d565af6515 h1:r25BJqn3o34g+bDdhoRU65zimKPfGCTv7nHuysyJojo=
github.com/sagernet/sing-tun v0.1.3-0.20230323073325-35d565af6515/go.mod h1:1xzFt4zJ7CzXdbgPcy7+Lsg4ypZo0ivDNZ0oQdL3zEY=
github.com/sagernet/sing-vmess v0.1.3 h1:q/+tsF46dvvapL6CpQBgPHJ6nQrDUZqEtLHCbsjO7iM=
github.com/sagernet/sing-vmess v0.1.3/go.mod h1:GVXqAHwe9U21uS+Voh4YBIrADQyE4F9v0ayGSixSQAE=
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 h1:HuE6xSwco/Xed8ajZ+coeYLmioq0Qp1/Z2zczFaV8as=

5
inbound/tun.go
View file

@ -5,10 +5,8 @@ import (
"net"
"strconv"
"strings"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/canceler"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/experimental/libbox/platform"
"github.com/sagernet/sing-box/log"
@ -208,9 +206,6 @@ func (t *Tun) NewConnection(ctx context.Context, conn net.Conn, upstreamMetadata
func (t *Tun) NewPacketConnection(ctx context.Context, conn N.PacketConn, upstreamMetadata M.Metadata) error {
ctx = log.ContextWithNewID(ctx)
if tun.NeedTimeoutFromContext(ctx) {
ctx, conn = canceler.NewPacketConn(ctx, conn, time.Duration(t.udpTimeout)*time.Second)
}
var metadata adapter.InboundContext
metadata.Inbound = t.tag
metadata.InboundType = C.TypeTun

2
outbound/default.go
View file

@ -8,12 +8,12 @@ import (
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/canceler"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
"github.com/sagernet/sing/common/canceler"
E "github.com/sagernet/sing/common/exceptions"
N "github.com/sagernet/sing/common/network"
)

2
outbound/dns.go
View file

@ -7,11 +7,11 @@ import (
"os"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/canceler"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/canceler"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/common/task"