#include <cstdlib>
#include <cmath>
#include <signal.h>
+#include <netinet/ether.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
-#include <linux/if_ether.h>
#include <msp/core/except.h>
#include <msp/debug/profilingscope.h>
#include <msp/gl/blend.h>
#include <msp/strings/formatter.h>
#include <msp/time/units.h>
#include <msp/time/utils.h>
+#include "history.h"
#include "host.h"
#include "netvis.h"
#include "packet.h"
font = new GL::Font;
DataFile::load(*font, "dejavu-10.font");
+ history = new History(*this, 301, 100);
+
catch_signal(SIGINT);
}
while(pcap_dispatch(pcap, -1, &capture_handler, reinterpret_cast<unsigned char *>(this))>0) ;
resolver->tick();
+ history->tick(tick_t);
+
float min_activity = numeric_limits<float>::max();
for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
{
i->second->set_active(true);
hosts.insert(*i);
+ for(unsigned j=0; j<100; ++j)
+ i->second->tick(100*Time::msec);
disabled_hosts.erase(i++);
}
else if(i->second->get_activity()<del_limit)
{
+ resolver->cancel(i->second);
delete i->second;
disabled_hosts.erase(i++);
}
}
}
+ for(map<unsigned, Port *>::iterator i=ports.begin(); i!=ports.end();)
+ {
+ i->second->tick(dt);
+
+ if(!i->second->is_registered() && i->second->get_activity()<0.1)
+ {
+ delete i->second;
+ ports.erase(i++);
+ }
+ else
+ ++i;
+ }
+
for(list<Packet *>::iterator i=packets.begin(); i!=packets.end();)
{
(*i)->tick(dt);
GL::push_matrix();
GL::translate(-500, 360, 0);
unsigned n = 0;
- for(map<unsigned, Port *>::iterator i=ports.begin(); (i!=ports.end() && n<50); ++i, ++n)
+ for(map<unsigned, Port *>::iterator i=ports.begin(); (i!=ports.end() && n<50); ++i)
{
- i->second->render();
- GL::translate(0, -12, 0);
+ float act = i->second->get_activity();
+ if((i->second->is_registered() && act>1) || act>200)
+ {
+ i->second->render();
+ GL::translate(0, -12, 0);
+ ++n;
+ }
}
GL::pop_matrix();
GL::push_matrix();
- GL::translate(-500, -360, 0);
+ GL::translate(-500, -348, 0);
GL::scale_uniform(10);
font->draw_string(format("%d hosts", hosts.size()+disabled_hosts.size()));
GL::translate(0, -1.2, 0);
+ font->draw_string(format("%d ports", ports.size()));
+ GL::translate(0, -1.2, 0);
font->draw_string(format("%.2f fps", fps));
GL::Texture::unbind();
GL::pop_matrix();
+
+ GL::push_matrix();
+ GL::translate(170, -370, 0);
+ history->render();
+ GL::pop_matrix();
}
Host &NetVis::get_host(unsigned a)
host->set_local(true);
resolver->push(host);
host->set_position(Vector2(rand()*400.0/RAND_MAX-200.0, rand()*400.0/RAND_MAX-200.0));
+ for(unsigned j=0; j<100; ++j)
+ host->tick(100*Time::msec);
hosts[a] = host;
return *host;
}
-const Port &NetVis::get_port(unsigned number)
+Port &NetVis::get_port(unsigned number)
{
map<unsigned, Port *>::iterator i = ports.find(number);
if(i!=ports.end())
const iphdr *ip = reinterpret_cast<const iphdr *>(eth+1);
unsigned size = ntohs(ip->tot_len);
- unsigned port = 0;
+
+ Port *sport = 0;
+ Port *dport = 0;
if(ip->protocol==IPPROTO_TCP)
{
const tcphdr *tcp = reinterpret_cast<const tcphdr *>(ip+1);
- port = min(ntohs(tcp->source), ntohs(tcp->dest));
+ sport = &self->get_port(ntohs(tcp->source));
+ dport = &self->get_port(ntohs(tcp->dest));
}
else if(ip->protocol==IPPROTO_UDP)
{
const udphdr *udp = reinterpret_cast<const udphdr *>(ip+1);
- port = min(ntohs(udp->source), ntohs(udp->dest));
+ sport = &self->get_port(ntohs(udp->source));
+ dport = &self->get_port(ntohs(udp->dest));
}
+
+ Port *port = 0;
+ if(sport && dport)
+ {
+ if(sport->is_registered()!=dport->is_registered())
+ {
+ if(sport->is_registered())
+ port = sport;
+ else
+ port = dport;
+ }
+ else if(sport->get_number()<dport->get_number())
+ port = sport;
+ else
+ port = dport;
+ }
+ else
+ port = &self->get_port(0);
+
Host &shost = self->get_host(ntohl(ip->saddr));
Host *dhost = 0;
if((ntohl(ip->daddr)&0xFF)!=0xFF)
float throttle = shost.send_packet();
if(throttle<1)
{
- self->packets.push_back(new Packet(shost, dhost, self->get_port(port).get_color(), size));
+ self->packets.push_back(new Packet(shost, dhost, port->get_color(), size));
self->packets.back()->tick(-throttle*Msp::Time::sec);
}
shost.add_activity(size);
if(dhost)
dhost->add_activity(size);
+
+ if(sport)
+ sport->add_activity(size);
+ if(dport)
+ dport->add_activity(size);
+
+ if((ntohl(ip->saddr)&self->localnet_mask)==self->localnet)
+ self->history->activity(0, size);
+ else if((ntohl(ip->daddr)&self->localnet_mask)==self->localnet)
+ self->history->activity(size, 0);
}
}