resources/net/icmp.h

   1 #ifndef _ICMP_H_
   2 #define _ICMP_H_
   3
   4 #include "ipv4.h"
   5 #include "transport_layer.h"
   6
   7 namespace net {
   8         class icmp : public transport_layer {
   9         private:
  10                 struct icmp_packet {
  11                         u8 type;
  12                         u8 code;
  13                         u16 checksum;
  14                         u16 id;
  15                         u16 sequence;
  16                 };
  17
  18                 void receive(const ipv4_addr&, const buffer&);
  19         public:
  20                 void set_internet_layer(p<internet_layer> x) {
  21                         down = x;
  22                         down->listen(1, delegate<void, const ipv4_addr&, const buffer&>::method(this, &icmp::receive));
  23                 }
  24
  25                 void ping(const ipv4_addr &addr);
  26         };
  27 }
  28
  29 #endif