% cd swarm
% cmake . && make
% sudo make install

#include <swarm.h>
#include <iostream>

class DnsHandler : public swarm::Handler {
public:
  void recv (swarm::ev_id ev, const swarm::Property &p) {
    // print domain name of dns query
    std::cout << p.value("dns.qd_name").repr () << std::endl;
  }
};

int main () {
  swarm::NetDec *nd = new swarm::NetDec ();
  nd->set_handler ("dns.packet", new DnsHandler());
  swarm::NetCap *nc = new swarm::CapPcapDev("eth0");
  nc->bind_netdec (nd);
  nc->start ();
}