chore: init gopacket only when dial fake-tcp to decrease memory using

go.mod

@@ -12,7 +12,6 @@ require (
 	github.com/go-chi/cors v1.2.1
 	github.com/go-chi/render v1.0.2
 	github.com/gofrs/uuid/v5 v5.0.0
-	github.com/google/gopacket v1.1.19
 	github.com/gorilla/websocket v1.5.0
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/insomniacslk/dhcp v0.0.0-20230516061539-49801966e6cb
@@ -20,6 +19,7 @@ require (
 	github.com/klauspost/cpuid/v2 v2.2.5
 	github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40
 	github.com/mdlayher/netlink v1.7.2
+	github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759
 	github.com/metacubex/quic-go v0.35.2-0.20230603072621-ea2663348ebb
 	github.com/metacubex/sing-shadowsocks v0.2.2-0.20230509230448-a5157cc00a1c
 	github.com/metacubex/sing-shadowsocks2 v0.0.0-20230529235701-a238874242ca

go.sum

@@ -58,8 +58,6 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
-github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/tink/go v1.6.1 h1:t7JHqO8Ath2w2ig5vjwQYJzhGEZymedQc90lQXUBa4I=
@@ -91,6 +89,8 @@ github.com/mdlayher/netlink v1.7.2 h1:/UtM3ofJap7Vl4QWCPDGXY8d3GIY2UGSDbK+QWmY8/
 github.com/mdlayher/netlink v1.7.2/go.mod h1:xraEF7uJbxLhc5fpHL4cPe221LI2bdttWlU+ZGLfQSw=
 github.com/mdlayher/socket v0.4.1 h1:eM9y2/jlbs1M615oshPQOHZzj6R6wMT7bX5NPiQvn2U=
 github.com/mdlayher/socket v0.4.1/go.mod h1:cAqeGjoufqdxWkD7DkpyS+wcefOtmu5OQ8KuoJGIReA=
+github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759 h1:cjd4biTvOzK9ubNCCkQ+ldc4YSH/rILn53l/xGBFHHI=
+github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759/go.mod h1:UHOv2xu+RIgLwpXca7TLrXleEd4oR3sPatW6IF8wU88=
 github.com/metacubex/gvisor v0.0.0-20230417114019-3c3ee672d60c h1:D62872jiuzC6b+3aI8tqfeyc6YgbfarYKywTnnvXwEM=
 github.com/metacubex/gvisor v0.0.0-20230417114019-3c3ee672d60c/go.mod h1:wqEuzdImyqD2MCGE8CYRJXbB77oSEJeoSSXXdwKjnsE=
 github.com/metacubex/quic-go v0.35.2-0.20230603072621-ea2663348ebb h1:92YTNmYXCSycERjKn/zPbeK5DiW3dd80j3+oVTEWTE8=
@@ -191,6 +191,9 @@ github.com/tklauser/numcpus v0.6.0 h1:kebhY2Qt+3U6RNK7UqpYNA+tJ23IBEGKkB7JQBfDYm
 github.com/tklauser/numcpus v0.6.0/go.mod h1:FEZLMke0lhOUG6w2JadTzp0a+Nl8PF/GFkQ5UVIcaL4=
 github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 h1:tHNk7XK9GkmKUR6Gh8gVBKXc2MVSZ4G/NnWLtzw4gNA=
 github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923/go.mod h1:eLL9Nub3yfAho7qB0MzZizFhTU2QkLeoVsWdHtDW264=
+github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
+github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
+github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
 github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 h1:gga7acRE695APm9hlsSMoOoE65U4/TcqNj90mc69Rlg=
 github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
 github.com/xtls/go v0.0.0-20230107031059-4610f88d00f3 h1:a3Y4WVjCxwoyO4E2xdNvq577tW8lkSBgyrA8E9+2NtM=
@@ -228,6 +231,7 @@ golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
 golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

transport/hysteria/conns/faketcp/tcp_linux.go

@@ -17,8 +17,8 @@ import (
 	"time"
 
 	"github.com/coreos/go-iptables/iptables"
-	"github.com/google/gopacket"
+	"github.com/metacubex/gopacket"
-	"github.com/google/gopacket/layers"
+	"github.com/metacubex/gopacket/layers"
 
 	"github.com/Dreamacro/clash/component/dialer"
 )
@@ -394,6 +394,8 @@ func (conn *TCPConn) SyscallConn() (syscall.RawConn, error) {
 // Dial connects to the remote TCP port,
 // and returns a single packet-oriented connection
 func Dial(network, address string) (*TCPConn, error) {
+	// init gopacket.layers
+	layers.Init()
 	// remote address resolve
 	raddr, err := net.ResolveTCPAddr(network, address)
 	if err != nil {
@@ -478,6 +480,8 @@ func Dial(network, address string) (*TCPConn, error) {
 // Listen acts like net.ListenTCP,
 // and returns a single packet-oriented connection
 func Listen(network, address string) (*TCPConn, error) {
+	// init gopacket.layers
+	layers.Init()
 	// fields
 	conn := new(TCPConn)
 	conn.flowTable = make(map[string]*tcpFlow)