clash/component/dialer/control.go

23 lines
485 B
Go

package dialer
import (
"context"
"net"
"syscall"
)
type controlFn = func(ctx context.Context, network, address string, c syscall.RawConn) error
func addControlToListenConfig(lc *net.ListenConfig, fn controlFn) {
llc := *lc
lc.Control = func(network, address string, c syscall.RawConn) (err error) {
switch {
case llc.Control != nil:
if err = llc.Control(network, address, c); err != nil {
return
}
}
return fn(context.Background(), network, address, c)
}
}