#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(0),
max_hosts(1000),
max_visible_hosts(30),
- draw_labels(true),
- blend(true),
frames(0)
{
if(argc<2)
wnd = new Graphics::SimpleGLWindow(1024, 768);
wnd->set_title("NetVis");
wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &NetVis::exit), 0));
- wnd->signal_key_press.connect(sigc::mem_fun(this, &NetVis::key_press));
wnd->show();
GL::enable(GL::BLEND);
font = new GL::Font;
DataFile::load(*font, "dejavu-10.font");
+ history = new History(*this, 301, 100);
+
catch_signal(SIGINT);
}
delete i->second;
for(map<unsigned, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end(); ++i)
delete i->second;
+ for(map<unsigned, Port *>::iterator i=ports.begin(); i!=ports.end(); ++i)
+ delete i->second;
for(list<Packet *>::iterator i=packets.begin(); i!=packets.end(); ++i)
delete *i;
}
wnd->get_display().tick();
+ 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)
{
- Debug::ProfilingScope s(profiler, "capture");
- while(pcap_dispatch(pcap, -1, &capture_handler, reinterpret_cast<unsigned char *>(this))>0) ;
+ i->second->tick(dt);
+ min_activity = min(min_activity, i->second->get_activity());
}
-
+ float del_limit = pow(10, 6-0.1*static_cast<int>(max_hosts-hosts.size()-disabled_hosts.size()));
+ for(map<unsigned, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end();)
{
- Debug::ProfilingScope s(profiler, "tick");
-
- resolver->tick();
+ i->second->tick(dt);
- float min_activity = numeric_limits<float>::max();
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ if(i->second->get_activity()>min_activity)
{
- i->second->tick(dt);
- min_activity = min(min_activity, i->second->get_activity());
+ 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++);
}
- float del_limit = pow(10, 6-0.1*(max_hosts-hosts.size()-disabled_hosts.size()));
- for(map<unsigned, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end();)
+ else if(i->second->get_activity()<del_limit)
{
- i->second->tick(dt);
-
- if(i->second->get_activity()>min_activity)
- {
- i->second->set_active(true);
- hosts.insert(*i);
- disabled_hosts.erase(i++);
- }
- else if(i->second->get_activity()<del_limit)
- {
- delete i->second;
- disabled_hosts.erase(i++);
- }
- else
- ++i;
+ resolver->cancel(i->second);
+ delete i->second;
+ disabled_hosts.erase(i++);
}
+ else
+ ++i;
+ }
- if(hosts.size()>max_visible_hosts)
- {
- list<float> activity;
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
- activity.push_back(i->second->get_activity());
- activity.sort();
-
- list<float>::iterator j = activity.begin();
- advance(j, activity.size()-max_visible_hosts);
- float limit = *j;
+ if(hosts.size()>max_visible_hosts)
+ {
+ list<float> activity;
+ for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ activity.push_back(i->second->get_activity());
+ activity.sort();
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end();)
- {
- if(i->second->get_activity()<limit)
- {
- i->second->set_active(false);
- disabled_hosts.insert(*i);
- hosts.erase(i++);
- }
- else
- ++i;
- }
- }
+ list<float>::iterator j = activity.begin();
+ advance(j, activity.size()-max_visible_hosts);
+ float limit = *j;
- for(list<Packet *>::iterator i=packets.begin(); i!=packets.end();)
+ for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end();)
{
- (*i)->tick(dt);
- if((*i)->get_stale())
+ if(i->second->get_activity()<limit)
{
- delete *i;
- i = packets.erase(i);
+ i->second->set_active(false);
+ disabled_hosts.insert(*i);
+ hosts.erase(i++);
}
else
++i;
}
}
+ for(map<unsigned, Port *>::iterator i=ports.begin(); i!=ports.end();)
{
- Debug::ProfilingScope s(profiler, "render");
- GL::clear(GL::COLOR_BUFFER_BIT);
+ i->second->tick(dt);
- GL::matrix_mode(GL::PROJECTION);
- GL::load_identity();
- GL::ortho_centered(1024, 768);
- GL::matrix_mode(GL::MODELVIEW);
- GL::load_identity();
+ if(!i->second->is_registered() && i->second->get_activity()<0.1)
+ {
+ delete i->second;
+ ports.erase(i++);
+ }
+ else
+ ++i;
+ }
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
- i->second->render();
- if(draw_labels)
+ for(list<Packet *>::iterator i=packets.begin(); i!=packets.end();)
+ {
+ (*i)->tick(dt);
+ if((*i)->get_stale())
{
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
- i->second->render_label();
- GL::Texture::unbind();
+ delete *i;
+ i = packets.erase(i);
}
+ else
+ ++i;
+ }
+
+ render();
+ wnd->swap_buffers();
+
+ ++frames;
+}
+
+void NetVis::render()
+{
+ GL::clear(GL::COLOR_BUFFER_BIT);
+
+ GL::matrix_mode(GL::PROJECTION);
+ GL::load_identity();
+ GL::ortho_centered(1024, 768);
+ GL::matrix_mode(GL::MODELVIEW);
+ GL::load_identity();
+
+ for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ i->second->render();
+ {
GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
imm.begin(GL::QUADS);
for(list<Packet *>::iterator i=packets.begin(); i!=packets.end(); ++i)
(*i)->render(imm);
imm.end();
+ }
- 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)
+ 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)
+ {
+ float act = i->second->get_activity();
+ if((i->second->is_registered() && act>1) || act>200)
{
- const GL::Color &color = i->second.get_color();
-
- imm.begin(GL::QUADS);
- imm.color(color.r, color.g, color.b, color.a);
- for(unsigned x=0; x<=4; x+=2)
- {
- imm.vertex(x+0, 0);
- imm.vertex(x+10, 0);
- imm.vertex(x+10, 10);
- imm.vertex(x+0, 10);
- }
- imm.end();
-
+ i->second->render();
GL::translate(0, -12, 0);
+ ++n;
}
- GL::pop_matrix();
-
- GL::push_matrix();
- if(draw_labels)
- {
- GL::push_matrix();
- GL::translate(-484, 361, 0);
- GL::scale_uniform(10);
- n = 0;
- for(map<unsigned, Port>::iterator i=ports.begin(); (i!=ports.end() && n<50); ++i, ++n)
- {
- GL::Immediate imm2((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
- imm.color(1.0f, 1.0f, 1.0f);
- font->draw_string(i->second.get_name(), imm2);
-
- GL::translate(0, -1.2, 0);
- }
- GL::pop_matrix();
- GL::Texture::unbind();
- }
- GL::pop_matrix();
-
- GL::push_matrix();
- GL::translate(-500, -360, 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("%.2f fps", fps));
- GL::pop_matrix();
- GL::Texture::unbind();
-
- wnd->swap_buffers();
}
-
- ++frames;
+ GL::pop_matrix();
+
+ GL::push_matrix();
+ 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;
}
-GL::Color NetVis::generate_color(bool privileged) const
+Port &NetVis::get_port(unsigned number)
{
- GL::Color color;
- color.r = rand()*1.0/RAND_MAX;
- color.g = rand()*1.0/RAND_MAX;
- color.b = rand()*1.0/RAND_MAX;
- float high = max(max(color.r, color.g), color.b);
- color = color*(1.0/high);
- if(privileged)
- {
- float low = min(min(color.r, color.g), color.b);
- color = (color+-low)*(1/(1-low));
- }
- else
- color = color*0.6+0.4;
- return color;
-}
-
-const Port &NetVis::get_port(unsigned number)
-{
- map<unsigned, Port>::iterator i = ports.find(number);
+ map<unsigned, Port *>::iterator i = ports.find(number);
if(i!=ports.end())
- return i->second;
-
- GL::Color best_color;
- float best_score = 0;
- for(unsigned j=0; (j<100 && best_score<1); ++j)
- {
- GL::Color color = generate_color(number<1024);
-
- float score = 2;
- for(i=ports.begin(); i!=ports.end(); ++i)
- {
- const GL::Color &other = i->second.get_color();
- float dr = color.r-other.r;
- float dg = color.g-other.g;
- float db = color.b-other.b;
- score = min(score, dr*dr+dg*dg+db*db);
- }
- if(score>best_score)
- {
- best_score = score;
- best_color = color;
- }
- }
- best_color.a = 0.4f;
- i = ports.insert(map<unsigned, Port>::value_type(number, Port(number, best_color))).first;
- return i->second;
-}
-
-void NetVis::key_press(unsigned key, unsigned, wchar_t)
-{
- if(key==46)
- draw_labels = !draw_labels;
- else if(key==56)
- {
- blend = !blend;
- GL::set(GL_BLEND, blend);
- }
+ return *i->second;
+ Port *port = new Port(*this, number);
+ ports[number] = port;
+ return *port;
}
void NetVis::capture_handler(unsigned char *user, const pcap_pkthdr *, const unsigned char *data)
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);
}
}