arpprint.hh

Click is a modular router toolkit. To use it you ll need to know how to compile and install the sof

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

/*
=c

ARPPrint([TAG, I<KEYWORDS>])

=s arp

pretty-prints ARP packets a la tcpdump

=d

Expects ARP packets as input.

Prints out ARP packets in a human-readable tcpdump-like format, preceded by
the TAG text.

Keyword arguments are:

=over 2

=item TIMESTAMP

Boolean. Determines whether to print each packet's timestamp in seconds since
1970. Default is true.

=item OUTFILE

String. Only available at user level. PrintV<> information to the file specified
by OUTFILE instead of standard error.

=back

=a Print, CheckARPHeader */

class ARPPrint : public Element { public:

  ARPPrint();
  ~ARPPrint();

    const char *class_name() const		{ return "ARPPrint"; }
    const char *port_count() const		{ return PORTS_1_1; }
    const char *processing() const		{ return AGNOSTIC; }

  int configure(Vector<String> &, ErrorHandler *);
  int initialize(ErrorHandler *);
  void cleanup(CleanupStage);

  Packet *simple_action(Packet *);

 private:

  String _label;
  bool _print_timestamp : 1;

#if CLICK_USERLEVEL
  String _outfilename;
  FILE *_outfile;
#endif
  ErrorHandler *_errh;

};

CLICK_ENDDECLS
#endif