payload.go 578 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 (
  6. "net"
  7. "golang.org/x/net/internal/socket"
  8. )
  9. // BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo
  10. // methods of PacketConn is not implemented.
  11. // A payloadHandler represents the IPv4 datagram payload handler.
  12. type payloadHandler struct {
  13. net.PacketConn
  14. *socket.Conn
  15. rawOpt
  16. }
  17. func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil && c.Conn != nil }