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chore: rebuild ref and threadSafe packetConn

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This commit is contained in:
wwqgtxx 2023-05-20 16:57:42 +08:00
parent b047ca0294
commit d4e4f6d2d7
7 changed files with 176 additions and 99 deletions
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29
common/net/packet.go
View File

@ -1,9 +1,6 @@
package net
import (
"net"
"sync"
"github.com/Dreamacro/clash/common/net/deadline"
"github.com/Dreamacro/clash/common/net/packet"
)
@ -11,30 +8,10 @@ import (
type EnhancePacketConn = packet.EnhancePacketConn
var NewEnhancePacketConn = packet.NewEnhancePacketConn
var NewThreadSafePacketConn = packet.NewThreadSafePacketConn
var NewRefPacketConn = packet.NewRefPacketConn
var NewDeadlineNetPacketConn = deadline.NewNetPacketConn
var NewDeadlineEnhancePacketConn = deadline.NewEnhancePacketConn
var NewDeadlineSingPacketConn = deadline.NewSingPacketConn
var NewDeadlineEnhanceSingPacketConn = deadline.NewEnhanceSingPacketConn
type threadSafePacketConn struct {
EnhancePacketConn
access sync.Mutex
}
func (c *threadSafePacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
c.access.Lock()
defer c.access.Unlock()
return c.EnhancePacketConn.WriteTo(b, addr)
}
func (c *threadSafePacketConn) Upstream() any {
return c.EnhancePacketConn
}
func (c *threadSafePacketConn) ReaderReplaceable() bool {
return true
}
func NewThreadSafePacketConn(pc net.PacketConn) net.PacketConn {
return &threadSafePacketConn{EnhancePacketConn: NewEnhancePacketConn(pc)}
}

24
common/net/packet/packet_sing.go
View File

@ -12,13 +12,13 @@ import (
type SingPacketConn = N.NetPacketConn
type EnhanceSingPacketConn interface {
N.NetPacketConn
SingPacketConn
EnhancePacketConn
}
type enhanceSingPacketConn struct {
N.NetPacketConn
readWaiter N.PacketReadWaiter
SingPacketConn
packetReadWaiter N.PacketReadWaiter
}
func (c *enhanceSingPacketConn) WaitReadFrom() (data []byte, put func(), addr net.Addr, err error) {
@ -28,12 +28,12 @@ func (c *enhanceSingPacketConn) WaitReadFrom() (data []byte, put func(), addr ne
buff = buf.NewPacket() // do not use stack buffer
return buff
}
if c.readWaiter != nil {
c.readWaiter.InitializeReadWaiter(newBuffer)
defer c.readWaiter.InitializeReadWaiter(nil)
dest, err = c.readWaiter.WaitReadPacket()
if c.packetReadWaiter != nil {
c.packetReadWaiter.InitializeReadWaiter(newBuffer)
defer c.packetReadWaiter.InitializeReadWaiter(nil)
dest, err = c.packetReadWaiter.WaitReadPacket()
} else {
dest, err = c.NetPacketConn.ReadPacket(newBuffer())
dest, err = c.SingPacketConn.ReadPacket(newBuffer())
}
if dest.IsFqdn() {
addr = dest
@ -59,7 +59,7 @@ func (c *enhanceSingPacketConn) WaitReadFrom() (data []byte, put func(), addr ne
}
func (c *enhanceSingPacketConn) Upstream() any {
return c.NetPacketConn
return c.SingPacketConn
}
func (c *enhanceSingPacketConn) WriterReplaceable() bool {
@ -70,10 +70,10 @@ func (c *enhanceSingPacketConn) ReaderReplaceable() bool {
return true
}
func newEnhanceSingPacketConn(conn N.NetPacketConn) *enhanceSingPacketConn {
epc := &enhanceSingPacketConn{NetPacketConn: conn}
func newEnhanceSingPacketConn(conn SingPacketConn) *enhanceSingPacketConn {
epc := &enhanceSingPacketConn{SingPacketConn: conn}
if readWaiter, isReadWaiter := bufio.CreatePacketReadWaiter(conn); isReadWaiter {
epc.readWaiter = readWaiter
epc.packetReadWaiter = readWaiter
}
return epc
}

75
common/net/packet/ref.go Normal file
View File

@ -0,0 +1,75 @@
package packet
import (
"net"
"runtime"
"time"
)
type refPacketConn struct {
pc EnhancePacketConn
ref any
}
func (c *refPacketConn) WaitReadFrom() (data []byte, put func(), addr net.Addr, err error) {
defer runtime.KeepAlive(c.ref)
return c.pc.WaitReadFrom()
}
func (c *refPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
defer runtime.KeepAlive(c.ref)
return c.pc.ReadFrom(p)
}
func (c *refPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
defer runtime.KeepAlive(c.ref)
return c.pc.WriteTo(p, addr)
}
func (c *refPacketConn) Close() error {
defer runtime.KeepAlive(c.ref)
return c.pc.Close()
}
func (c *refPacketConn) LocalAddr() net.Addr {
defer runtime.KeepAlive(c.ref)
return c.pc.LocalAddr()
}
func (c *refPacketConn) SetDeadline(t time.Time) error {
defer runtime.KeepAlive(c.ref)
return c.pc.SetDeadline(t)
}
func (c *refPacketConn) SetReadDeadline(t time.Time) error {
defer runtime.KeepAlive(c.ref)
return c.pc.SetReadDeadline(t)
}
func (c *refPacketConn) SetWriteDeadline(t time.Time) error {
defer runtime.KeepAlive(c.ref)
return c.pc.SetWriteDeadline(t)
}
func (c *refPacketConn) Upstream() any {
return c.pc
}
func (c *refPacketConn) ReaderReplaceable() bool { // Relay() will handle reference
return true
}
func (c *refPacketConn) WriterReplaceable() bool { // Relay() will handle reference
return true
}
func NewRefPacketConn(pc net.PacketConn, ref any) EnhancePacketConn {
rPC := &refPacketConn{pc: NewEnhancePacketConn(pc), ref: ref}
if singPC, isSingPC := pc.(SingPacketConn); isSingPC {
return &refSingPacketConn{
refPacketConn: rPC,
singPacketConn: singPC,
}
}
return rPC
}

26
common/net/packet/ref_sing.go Normal file
View File

@ -0,0 +1,26 @@
package packet
import (
"runtime"
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type refSingPacketConn struct {
*refPacketConn
singPacketConn SingPacketConn
}
var _ N.NetPacketConn = (*refSingPacketConn)(nil)
func (c *refSingPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
defer runtime.KeepAlive(c.ref)
return c.singPacketConn.WritePacket(buffer, destination)
}
func (c *refSingPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
defer runtime.KeepAlive(c.ref)
return c.singPacketConn.ReadPacket(buffer)
}

36
common/net/packet/thread.go Normal file
View File

@ -0,0 +1,36 @@
package packet
import (
"net"
"sync"
)
type threadSafePacketConn struct {
EnhancePacketConn
access sync.Mutex
}
func (c *threadSafePacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
c.access.Lock()
defer c.access.Unlock()
return c.EnhancePacketConn.WriteTo(b, addr)
}
func (c *threadSafePacketConn) Upstream() any {
return c.EnhancePacketConn
}
func (c *threadSafePacketConn) ReaderReplaceable() bool {
return true
}
func NewThreadSafePacketConn(pc net.PacketConn) EnhancePacketConn {
tsPC := &threadSafePacketConn{EnhancePacketConn: NewEnhancePacketConn(pc)}
if singPC, isSingPC := pc.(SingPacketConn); isSingPC {
return &threadSafeSingPacketConn{
threadSafePacketConn: tsPC,
singPacketConn: singPC,
}
}
return tsPC
}

24
common/net/packet/thread_sing.go Normal file
View File

@ -0,0 +1,24 @@
package packet
import (
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type threadSafeSingPacketConn struct {
*threadSafePacketConn
singPacketConn SingPacketConn
}
var _ N.NetPacketConn = (*threadSafeSingPacketConn)(nil)
func (c *threadSafeSingPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
c.access.Lock()
defer c.access.Unlock()
return c.singPacketConn.WritePacket(buffer, destination)
}
func (c *threadSafeSingPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
return c.singPacketConn.ReadPacket(buffer)
}

61
common/net/refconn.go
View File

@ -80,64 +80,3 @@ var _ ExtendedConn = (*refConn)(nil)
func NewRefConn(conn net.Conn, ref any) net.Conn {
return &refConn{conn: NewExtendedConn(conn), ref: ref}
}
type refPacketConn struct {
pc EnhancePacketConn
ref any
}
func (pc *refPacketConn) WaitReadFrom() (data []byte, put func(), addr net.Addr, err error) {
defer runtime.KeepAlive(pc.ref)
return pc.pc.WaitReadFrom()
}
func (pc *refPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
defer runtime.KeepAlive(pc.ref)
return pc.pc.ReadFrom(p)
}
func (pc *refPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
defer runtime.KeepAlive(pc.ref)
return pc.pc.WriteTo(p, addr)
}
func (pc *refPacketConn) Close() error {
defer runtime.KeepAlive(pc.ref)
return pc.pc.Close()
}
func (pc *refPacketConn) LocalAddr() net.Addr {
defer runtime.KeepAlive(pc.ref)
return pc.pc.LocalAddr()
}
func (pc *refPacketConn) SetDeadline(t time.Time) error {
defer runtime.KeepAlive(pc.ref)
return pc.pc.SetDeadline(t)
}
func (pc *refPacketConn) SetReadDeadline(t time.Time) error {
defer runtime.KeepAlive(pc.ref)
return pc.pc.SetReadDeadline(t)
}
func (pc *refPacketConn) SetWriteDeadline(t time.Time) error {
defer runtime.KeepAlive(pc.ref)
return pc.pc.SetWriteDeadline(t)
}
func (pc *refPacketConn) Upstream() any {
return pc.pc
}
func (pc *refPacketConn) ReaderReplaceable() bool { // Relay() will handle reference
return true
}
func (pc *refPacketConn) WriterReplaceable() bool { // Relay() will handle reference
return true
}
func NewRefPacketConn(pc net.PacketConn, ref any) net.PacketConn {
return &refPacketConn{pc: NewEnhancePacketConn(pc), ref: ref}
}