| // 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 } |