mihomo/proxy/redir/tcp.go
beyondkmp 970643b144 Fix: goroutine leak while closing proxy (#43)
* Fix: goroutine leak while closing proxy

* Chore: improve proxy architecture

* Fix: stack overflow
2018-11-22 11:54:01 +08:00

63 lines
987 B
Go

package redir
import (
"net"
"github.com/Dreamacro/clash/adapters/inbound"
"github.com/Dreamacro/clash/tunnel"
log "github.com/sirupsen/logrus"
)
var (
tun = tunnel.Instance()
)
type redirListener struct {
net.Listener
address string
closed bool
}
func NewRedirProxy(addr string) (*redirListener, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
rl := &redirListener{l, addr, false}
go func() {
log.Infof("Redir proxy listening at: %s", addr)
for {
c, err := l.Accept()
if err != nil {
if rl.closed {
break
}
continue
}
go handleRedir(c)
}
}()
return rl, nil
}
func (l *redirListener) Close() {
l.closed = true
l.Listener.Close()
}
func (l *redirListener) Address() string {
return l.address
}
func handleRedir(conn net.Conn) {
target, err := parserPacket(conn)
if err != nil {
conn.Close()
return
}
conn.(*net.TCPConn).SetKeepAlive(true)
tun.Add(adapters.NewSocket(target, conn))
}