checkxorheader.hh

来自「COPE the first practical network coding 」· HH 代码 · 共 50 行

#ifndef CHECKXORHEADER_HH
#define CHECKXORHEADER_HH
#include <click/element.hh>
CLICK_DECLS

/*
=c

CheckXorHeader()

=s Wifi, Wireless Routing

Check the header of an encoding packet.

=d

Expects encoded packets as input.
Checks that the packet's length is reasonable,
and that the Xor header length, length, and
checksum fields are valid.

 */

class CheckXorHeader : public Element {

  int _drops;

 public:
  
  CheckXorHeader();
  ~CheckXorHeader();
  
  const char *class_name() const		{ return "CheckXorHeader"; }
  const char *processing() const		{ return "a/ah"; }
  
  void notify_noutputs(int);

  int drops() const				{ return _drops; }


  Packet *simple_action(Packet *);
  void drop_it(Packet *);

  void add_handlers();

};

CLICK_ENDDECLS
#endif