func dustProxy(dustSide *Dust.RawStreamConn, plainSide *net.TCPConn) error {
var ctl proc.Ctl
penv := proc.InitChild(nil, &ctl, noProcess)
_ = proc.InitHelper(penv, managedCopy(plainSide, dustSide, 4096))
_ = proc.InitHelper(penv, managedCopy(dustSide, plainSide, 4096))
ctl.Start()
_ = <-ctl.Exit
err := ctl.Status()
log.Info("closing")
dustSide.Close()
plainSide.Close()
log.Info("done: %v", err)
return err
}
// NewShaper initializes a new shaper process object for the outward-facing side of crypter, using in/out for
// receiving and sending shaped data and decoder/encoder as the model for this side of the Dust connection.
// The shaper will not be running. Call Start() on the shaper afterwards to start it in the background.
func NewShaper(
parent *proc.Env,
crypter *crypting.Session,
in io.Reader,
decoder Decoder,
out io.Writer,
encoder Encoder,
) (*Shaper, error) {
sh := &Shaper{}
env := proc.InitChild(parent, &sh.Ctl, sh.runShaper)
sh.incoming.Init(env, crypter.Back, in, decoder)
sh.outgoing.Init(env, out, crypter.Back, encoder)
return sh, nil
}
