// Copyright 2012 The Go Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style | |
// license that can be found in the LICENSE file. | |
package ipv4 | |
import "net" | |
// BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo | |
// methods of PacketConn is not implemented. | |
// A payloadHandler represents the IPv4 datagram payload handler. | |
type payloadHandler struct { | |
net.PacketConn | |
rawOpt | |
} | |
func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil } |