using namespace std;
using namespace Msp;
-Host::Host(NetVis &nv, unsigned a):
+Host::Host(NetVis &nv, const Address &a):
netvis(nv),
addr(a),
+ name(addr.str()),
+ short_name(name),
local(false),
active(true),
- activity(0),
throttle(0)
{
- in_addr ina;
- ina.s_addr=htonl(addr);
- name=inet_ntoa(ina);
- short_name=name;
}
void Host::set_name(const string &n)
{
- name=n;
+ name = n;
if(local)
{
- unsigned dot=name.find('.');
- short_name=name.substr(0, dot);
+ string::size_type dot = name.find('.');
+ short_name = name.substr(0, dot);
}
else
{
- unsigned dot=name.size();
+ string::size_type dot = name.size();
for(unsigned i=0; (dot>0 && dot!=string::npos); ++i)
{
- unsigned prev=name.rfind('.', dot-1);
+ string::size_type prev = name.rfind('.', dot-1);
if(prev+15<name.size() && i>1)
break;
- dot=prev;
+ dot = prev;
}
if(dot==string::npos)
- short_name=name;
+ short_name = name;
else
- short_name="..."+name.substr(dot+1);
+ short_name = "..."+name.substr(dot+1);
}
}
void Host::set_local(bool l)
{
- local=l;
+ local = l;
}
void Host::set_position(const Vector2 &p)
{
- pos=p;
+ pos = p;
}
void Host::set_active(bool a)
{
- active=a;
+ active = a;
}
void Host::add_activity(unsigned bytes)
{
- activity+=bytes*0.06935;
+ activity.add_bytes(bytes);
}
float Host::send_packet()
{
- float ret=throttle;
+ float ret = throttle;
if(throttle<1)
- throttle+=0.025;
+ throttle += 0.025;
return ret;
}
void Host::tick(const Msp::Time::TimeDelta &td)
{
- float dt=td/Msp::Time::sec;
+ float dt = td/Msp::Time::sec;
- activity*=pow(0.933f, dt);
- throttle-=dt;
+ activity.tick(td);
+ throttle -= dt;
if(throttle<0)
- throttle=0;
+ throttle = 0;
if(!active)
return;
- const map<unsigned, Host *> &hosts=netvis.get_hosts();
- float fx=-pos.x*0.1;
- float fy=-pos.y*0.1;
- for(map<unsigned, Host *>::const_iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ const map<Address, Host *> &hosts = netvis.get_hosts();
+ float center_force = (local ? 0.5 : 0.1);
+ float fx = -pos.x*center_force;
+ float fy = -pos.y*center_force;
+ for(map<Address, Host *>::const_iterator i=hosts.begin(); i!=hosts.end(); ++i)
{
if(i->second!=this)
{
- const Vector2 &other_pos=i->second->get_position();
- float dx=other_pos.x-pos.x;
- float dy=other_pos.y-pos.y;
- float d2=dx*dx+dy*dy;
- float d=sqrt(d2);
-
- unsigned other_addr=i->second->get_address();
- unsigned matching_bits=0;
- for(unsigned j=32; (j-- && !((addr^other_addr)>>j));)
- ++matching_bits;
-
- float optimal_dist=100+(24-min(matching_bits, 24U))*12;
- float f=5000.0*(1.0/optimal_dist-1.0/d);
-
- fx+=dx/d*f;
- fy+=dy/d*f;
+ const Vector2 &other_pos = i->second->get_position();
+ float dx = other_pos.x-pos.x;
+ float dy = other_pos.y-pos.y;
+ float d2 = dx*dx+dy*dy;
+ float d = sqrt(d2);
+
+ unsigned matching_bits = addr.common_prefix_length(i->second->get_address());
+
+ float optimal_dist = 100+(24-min(matching_bits, 24U))*12;
+ float f = 5000.0*(1.0/optimal_dist-1.0/d);
+
+ fx += dx/d*f;
+ fy += dy/d*f;
}
}
if(fx<-4 || fx>4)
- pos.x+=fx*dt;
+ pos.x += fx*dt;
if(fy<-4 || fy>4)
- pos.y+=fy*dt;
+ pos.y += fy*dt;
}
void Host::render() const
if(!active)
return;
- GL::push_matrix();
- GL::translate(static_cast<int>(pos.x), static_cast<int>(pos.y), 0);
+ GL::MatrixStack::Push push_(GL::MatrixStack::modelview());
+ GL::MatrixStack::modelview() *= GL::Matrix::translation(static_cast<int>(pos.x), static_cast<int>(pos.y), 0);
- GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
+ GL::Immediate imm((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
imm.begin(GL::QUADS);
- imm.color(1.0f, 1.0f, 1.0f, max(min(static_cast<float>(activity/10000), 1.0f), 0.2f));
+ imm.color(1.0f, 1.0f, 1.0f, max(min(static_cast<float>(activity.get_average()/10000), 1.0f), 0.2f));
imm.vertex(-5, -5);
imm.vertex(5, -5);
imm.vertex(5, 5);
imm.vertex(-5, 5);
imm.end();
- GL::pop_matrix();
-}
-
-void Host::render_label() const
-{
- if(!active)
- return;
-
- const GL::Font &font=netvis.get_font();
-
- GL::push_matrix();
- GL::translate(static_cast<int>(pos.x)-static_cast<int>(font.get_string_width(short_name)*5), static_cast<int>(pos.y)+6, 0);
- GL::scale_uniform(10);
+ const GL::Font &font = netvis.get_font();
+ GL::MatrixStack::modelview() *= GL::Matrix::translation(-static_cast<int>(font.get_string_width(short_name)*5), 6, 0);
+ GL::MatrixStack::modelview() *= GL::Matrix::scaling(10);
font.draw_string(short_name);
-
- GL::pop_matrix();
+ GL::Texture::unbind();
}