payload.go 505 B

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  1. // Copyright 2012 The Go Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style
  3. // license that can be found in the LICENSE file.
  4. package ipv4
  5. import "net"
  6. // BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo
  7. // methods of PacketConn is not implemented.
  8. // A payloadHandler represents the IPv4 datagram payload handler.
  9. type payloadHandler struct {
  10. net.PacketConn
  11. rawOpt
  12. }
  13. func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil }