unstrip.hh

COPE the first practical network coding scheme which is developped on click

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

/*
 * =c
 * Unstrip(N)
 * =s encapsulation
 * unstrips bytes from front of packets
 * =d
 * Put N bytes at the front of the packet. These N bytes may be bytes
 * previously removed by Strip.
 * =e
 * Use this to get rid of the Ethernet header and put it back on:
 *
 *   Strip(14) -> ... -> Unstrip(14)
 * =a EtherEncap, IPEncap
 */

class Unstrip : public Element {
  
  unsigned _nbytes;
  
 public:
  
  Unstrip(unsigned nbytes = 0);
  ~Unstrip();
  
  const char *class_name() const	{ return "Unstrip"; }
  const char *processing() const	{ return AGNOSTIC; }
  
  int configure(Vector<String> &, ErrorHandler *);

  Packet *simple_action(Packet *);
  
};

CLICK_ENDDECLS
#endif