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feat: configurable TCPKeepAlive interval

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This commit is contained in:
Larvan2 2023-09-02 16:25:55 +08:00
parent d79c13064e
commit 73fa79bf3f
23 changed files with 62 additions and 48 deletions
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4
adapter/outbound/direct.go
View File

@ -3,6 +3,8 @@ package outbound
import (
"context"
"errors"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/resolver"
C "github.com/Dreamacro/clash/constant"
@ -24,7 +26,7 @@ func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
if err != nil {
return nil, err
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
return NewConn(c, d), nil
}

4
adapter/outbound/http.go
View File

@ -7,11 +7,13 @@ import (
"encoding/base64"
"errors"
"fmt"
"io"
"net"
"net/http"
"strconv"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/proxydialer"
tlsC "github.com/Dreamacro/clash/component/tls"
@ -74,7 +76,7 @@ func (h *Http) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metad
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)

2
adapter/outbound/shadowsocks.go
View File

@ -146,7 +146,7 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)

2
adapter/outbound/shadowsocksr.go
View File

@ -80,7 +80,7 @@ func (ssr *ShadowSocksR) DialContextWithDialer(ctx context.Context, dialer C.Dia
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", ssr.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)

7
adapter/outbound/snell.go
View File

@ -6,6 +6,7 @@ import (
"net"
"strconv"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/structure"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/proxydialer"
@ -93,7 +94,7 @@ func (s *Snell) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
@ -121,7 +122,7 @@ func (s *Snell) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
if err != nil {
return nil, err
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
err = snell.WriteUDPHeader(c, s.version)
@ -207,7 +208,7 @@ func NewSnell(option SnellOption) (*Snell, error) {
return nil, err
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
return streamConn(c, streamOption{psk, option.Version, addr, obfsOption}), nil
})
}

5
adapter/outbound/socks5.go
View File

@ -9,6 +9,7 @@ import (
"net"
"strconv"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/proxydialer"
tlsC "github.com/Dreamacro/clash/component/tls"
@ -80,7 +81,7 @@ func (ss *Socks5) DialContextWithDialer(ctx context.Context, dialer C.Dialer, me
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
@ -126,7 +127,7 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
safeConnClose(c, err)
}(c)
tcpKeepAlive(c)
N.TCPKeepAlive(c)
var user *socks5.User
if ss.user != "" {
user = &socks5.User{

7
adapter/outbound/trojan.go
View File

@ -8,6 +8,7 @@ import (
"net/http"
"strconv"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/proxydialer"
tlsC "github.com/Dreamacro/clash/component/tls"
@ -131,7 +132,7 @@ func (t *Trojan) DialContextWithDialer(ctx context.Context, dialer C.Dialer, met
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
@ -184,7 +185,7 @@ func (t *Trojan) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, me
defer func(c net.Conn) {
safeConnClose(c, err)
}(c)
tcpKeepAlive(c)
N.TCPKeepAlive(c)
c, err = t.plainStream(ctx, c)
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
@ -268,7 +269,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", t.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
return c, nil
}

8
adapter/outbound/util.go
View File

@ -7,7 +7,6 @@ import (
"net"
"net/netip"
"sync"
"time"
"github.com/Dreamacro/clash/component/resolver"
C "github.com/Dreamacro/clash/constant"
@ -19,13 +18,6 @@ var (
once sync.Once
)
func tcpKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
_ = tcp.SetKeepAlive(true)
_ = tcp.SetKeepAlivePeriod(30 * time.Second)
}
}
func getClientSessionCache() tls.ClientSessionCache {
once.Do(func() {
globalClientSessionCache = tls.NewLRUClientSessionCache(128)

6
adapter/outbound/vless.go
View File

@ -263,7 +263,7 @@ func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
}(c)
@ -328,7 +328,7 @@ func (v *Vless) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
}(c)
@ -578,7 +578,7 @@ func NewVless(option VlessOption) (*Vless, error) {
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
return c, nil
}

6
adapter/outbound/vmess.go
View File

@ -308,7 +308,7 @@ func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
}(c)
@ -369,7 +369,7 @@ func (v *Vmess) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
defer func(c net.Conn) {
safeConnClose(c, err)
}(c)
@ -469,7 +469,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
if err != nil {
return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
}
tcpKeepAlive(c)
N.TCPKeepAlive(c)
return c, nil
}

12
adapter/outboundgroup/util.go
View File

@ -1,17 +1,5 @@
package outboundgroup
import (
"net"
"time"
)
func tcpKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
_ = tcp.SetKeepAlive(true)
_ = tcp.SetKeepAlivePeriod(30 * time.Second)
}
}
type SelectAble interface {
Set(string) error
ForceSet(name string)

10
common/net/tcpip.go
View File

@ -4,8 +4,11 @@ import (
"fmt"
"net"
"strings"
"time"
)
var KeepAliveInterval time.Duration
func SplitNetworkType(s string) (string, string, error) {
var (
shecme string
@ -44,3 +47,10 @@ func SplitHostPort(s string) (host, port string, hasPort bool, err error) {
host, port, err = net.SplitHostPort(temp)
return
}
func TCPKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
_ = tcp.SetKeepAlive(true)
_ = tcp.SetKeepAlivePeriod(KeepAliveInterval * time.Second)
}
}

9
config/config.go
View File

@ -16,6 +16,7 @@ import (
"github.com/Dreamacro/clash/adapter/outbound"
"github.com/Dreamacro/clash/adapter/outboundgroup"
"github.com/Dreamacro/clash/adapter/provider"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/utils"
"github.com/Dreamacro/clash/component/auth"
"github.com/Dreamacro/clash/component/dialer"
@ -59,6 +60,7 @@ type General struct {
Sniffing bool `json:"sniffing"`
EBpf EBpf `json:"-"`
GlobalClientFingerprint string `json:"global-client-fingerprint"`
KeepAliveInterval int `json:"keep-alive-interval"`
}
// Inbound config
@ -280,6 +282,7 @@ type RawConfig struct {
TCPConcurrent bool `yaml:"tcp-concurrent" json:"tcp-concurrent"`
FindProcessMode P.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
GlobalClientFingerprint string `yaml:"global-client-fingerprint"`
KeepAliveInterval int `yaml:"keep-alive-interval"`
Sniffer RawSniffer `yaml:"sniffer"`
ProxyProvider map[string]map[string]any `yaml:"proxy-providers"`
@ -559,6 +562,11 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
C.GeoSiteUrl = cfg.GeoXUrl.GeoSite
C.MmdbUrl = cfg.GeoXUrl.Mmdb
C.GeodataMode = cfg.GeodataMode
if cfg.KeepAliveInterval == 0 {
cfg.KeepAliveInterval = 30
}
N.KeepAliveInterval = time.Duration(cfg.KeepAliveInterval) * time.Second
log.Infoln("Keep Alive Interval set %+v", N.KeepAliveInterval)
// checkout externalUI exist
if externalUI != "" {
externalUI = C.Path.Resolve(externalUI)
@ -600,6 +608,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
FindProcessMode: cfg.FindProcessMode,
EBpf: cfg.EBpf,
GlobalClientFingerprint: cfg.GlobalClientFingerprint,
KeepAliveInterval: cfg.KeepAliveInterval,
}, nil
}

2
docs/config.yaml
View File

@ -50,6 +50,8 @@ external-ui: /path/to/ui/folder # 配置 WEB UI 目录，使用 http://{{externa
# Utls is currently support TLS transport in TCP/grpc/WS/HTTP for VLESS/Vmess and trojan.
global-client-fingerprint: chrome
keep-alive-interval: 30
# routing-mark:6666 # 配置 fwmark 仅用于 Linux
experimental:

3
listener/autoredir/tcp.go
View File

@ -5,6 +5,7 @@ import (
"net/netip"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/transport/socks5"
@ -55,7 +56,7 @@ func (l *Listener) handleRedir(conn net.Conn, in chan<- C.ConnContext) {
return
}
_ = conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
in <- inbound.NewSocket(target, conn, C.REDIR, l.additions...)
}

4
listener/mixed/mixed.go
View File

@ -1,9 +1,9 @@
package mixed
import (
"github.com/Dreamacro/clash/adapter/inbound"
"net"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/common/cache"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
@ -70,7 +70,7 @@ func New(addr string, in chan<- C.ConnContext, additions ...inbound.Addition) (*
}
func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.LruCache[string, bool], additions ...inbound.Addition) {
conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
bufConn := N.NewBufferedConn(conn)
head, err := bufConn.Peek(1)

3
listener/redir/tcp.go
View File

@ -4,6 +4,7 @@ import (
"net"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
)
@ -66,6 +67,6 @@ func handleRedir(conn net.Conn, in chan<- C.ConnContext, additions ...inbound.Ad
conn.Close()
return
}
conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
in <- inbound.NewSocket(target, conn, C.REDIR, additions...)
}

2
listener/shadowsocks/tcp.go
View File

@ -59,7 +59,7 @@ func New(config LC.ShadowsocksServer, tcpIn chan<- C.ConnContext, udpIn chan<- C
}
continue
}
_ = c.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(c)
go sl.HandleConn(c, tcpIn)
}
}()

3
listener/sing_shadowsocks/server.go
View File

@ -7,6 +7,7 @@ import (
"strings"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/sockopt"
C "github.com/Dreamacro/clash/constant"
LC "github.com/Dreamacro/clash/listener/config"
@ -145,7 +146,7 @@ func New(config LC.ShadowsocksServer, tcpIn chan<- C.ConnContext, udpIn chan<- C
}
continue
}
_ = c.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(c)
go sl.HandleConn(c, tcpIn)
}

3
listener/sing_vmess/server.go
View File

@ -7,6 +7,7 @@ import (
"strings"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
LC "github.com/Dreamacro/clash/listener/config"
"github.com/Dreamacro/clash/listener/sing"
@ -84,7 +85,7 @@ func New(config LC.VmessServer, tcpIn chan<- C.ConnContext, udpIn chan<- C.Packe
}
continue
}
_ = c.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(c)
go sl.HandleConn(c, tcpIn)
}

2
listener/socks/tcp.go
View File

@ -67,7 +67,7 @@ func New(addr string, in chan<- C.ConnContext, additions ...inbound.Addition) (*
}
func handleSocks(conn net.Conn, in chan<- C.ConnContext, additions ...inbound.Addition) {
conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
bufConn := N.NewBufferedConn(conn)
head, err := bufConn.Peek(1)
if err != nil {

3
listener/tproxy/tproxy.go
View File

@ -4,6 +4,7 @@ import (
"net"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/socks5"
)
@ -32,7 +33,7 @@ func (l *Listener) Close() error {
func (l *Listener) handleTProxy(conn net.Conn, in chan<- C.ConnContext, additions ...inbound.Addition) {
target := socks5.ParseAddrToSocksAddr(conn.LocalAddr())
conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
in <- inbound.NewSocket(target, conn, C.TPROXY, additions...)
}

3
listener/tunnel/tcp.go
View File

@ -5,6 +5,7 @@ import (
"net"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/socks5"
)
@ -34,7 +35,7 @@ func (l *Listener) Close() error {
}
func (l *Listener) handleTCP(conn net.Conn, in chan<- C.ConnContext, additions ...inbound.Addition) {
conn.(*net.TCPConn).SetKeepAlive(true)
N.TCPKeepAlive(conn)
ctx := inbound.NewSocket(l.target, conn, C.TUNNEL, additions...)
ctx.Metadata().SpecialProxy = l.proxy
in <- ctx