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Remove unused fakeip packet conn

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This commit is contained in:
世界 2024-04-10 20:27:43 +08:00
parent 71d92518c1
commit 003176f069
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GPG Key ID: CD109927C34A63C4
2 changed files with 0 additions and 92 deletions
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55
transport/fakeip/packet.go
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@ -1,55 +0,0 @@
package fakeip
import (
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
var _ N.PacketConn = (*NATPacketConn)(nil)
type NATPacketConn struct {
N.PacketConn
origin M.Socksaddr
destination M.Socksaddr
}
func NewNATPacketConn(conn N.PacketConn, origin M.Socksaddr, destination M.Socksaddr) *NATPacketConn {
return &NATPacketConn{
PacketConn: conn,
origin: socksaddrWithoutPort(origin),
destination: socksaddrWithoutPort(destination),
}
}
func (c *NATPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
destination, err = c.PacketConn.ReadPacket(buffer)
if socksaddrWithoutPort(destination) == c.origin {
destination = M.Socksaddr{
Addr: c.destination.Addr,
Fqdn: c.destination.Fqdn,
Port: destination.Port,
}
}
return
}
func (c *NATPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
if socksaddrWithoutPort(destination) == c.destination {
destination = M.Socksaddr{
Addr: c.origin.Addr,
Fqdn: c.origin.Fqdn,
Port: destination.Port,
}
}
return c.PacketConn.WritePacket(buffer, destination)
}
func (c *NATPacketConn) Upstream() any {
return c.PacketConn
}
func socksaddrWithoutPort(destination M.Socksaddr) M.Socksaddr {
destination.Port = 0
return destination
}

37
transport/fakeip/packet_wait.go
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@ -1,37 +0,0 @@
package fakeip
import (
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func (c *NATPacketConn) CreatePacketReadWaiter() (N.PacketReadWaiter, bool) {
waiter, created := bufio.CreatePacketReadWaiter(c.PacketConn)
if !created {
return nil, false
}
return &waitNATPacketConn{c, waiter}, true
}
type waitNATPacketConn struct {
*NATPacketConn
readWaiter N.PacketReadWaiter
}
func (c *waitNATPacketConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
return c.readWaiter.InitializeReadWaiter(options)
}
func (c *waitNATPacketConn) WaitReadPacket() (buffer *buf.Buffer, destination M.Socksaddr, err error) {
buffer, destination, err = c.readWaiter.WaitReadPacket()
if err == nil && socksaddrWithoutPort(destination) == c.origin {
destination = M.Socksaddr{
Addr: c.destination.Addr,
Fqdn: c.destination.Fqdn,
Port: destination.Port,
}
}
return
}