+/* $Id$
+
+This file is part of NetVis
+Copyright @ 2008 Mikko Rasa, Mikkosoft Productions
+Distributed unter the GPL
+*/
+
#include <cmath>
#include <netinet/in.h>
#include <arpa/inet.h>
Host::Host(NetVis &nv, unsigned a):
netvis(nv),
- addr(a)
+ addr(a),
+ local(false),
+ active(true),
+ activity(0),
+ throttle(0)
{
in_addr ina;
- ina.s_addr=htonl(addr);
- name=inet_ntoa(ina);
+ ina.s_addr = htonl(addr);
+ name = inet_ntoa(ina);
+ short_name = name;
+}
+
+void Host::set_name(const string &n)
+{
+ name = n;
+
+ if(local)
+ {
+ unsigned dot = name.find('.');
+ short_name = name.substr(0, dot);
+ }
+ else
+ {
+ unsigned dot = name.size();
+ for(unsigned i=0; (dot>0 && dot!=string::npos); ++i)
+ {
+ unsigned prev = name.rfind('.', dot-1);
+ if(prev+15<name.size() && i>1)
+ break;
+ dot = prev;
+ }
+
+ if(dot==string::npos)
+ short_name = name;
+ else
+ short_name = "..."+name.substr(dot+1);
+ }
+}
+
+void Host::set_local(bool l)
+{
+ local = l;
}
void Host::set_position(const Vector2 &p)
{
- pos=p;
+ pos = p;
+}
+
+void Host::set_active(bool a)
+{
+ active = a;
}
-void Host::add_connection(Connection &)
+void Host::add_activity(unsigned bytes)
{
+ activity += bytes*0.06935;
}
-Connection *Host::get_connection(Host &)
+float Host::send_packet()
{
- return 0;
+ float ret = throttle;
+ if(throttle<1)
+ 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;
+ if(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;
+ 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)
{
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;
+ 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 nearness=24-min(matching_bits, 24U);
- float f=10000.0*(1.0/(60+nearness*15)-1.0/d);
+ 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;
+ 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
{
- GL::push_matrix();
+ if(!active)
+ return;
+
+ GL::PushMatrix push_;
GL::translate(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, 1.0f);
+ imm.color(1.0f, 1.0f, 1.0f, max(min(static_cast<float>(activity/10000), 1.0f), 0.2f));
imm.vertex(-5, -5);
imm.vertex(5, -5);
imm.vertex(5, 5);
imm.vertex(-5, 5);
imm.end();
- const GL::Font &font=netvis.get_font();
- GL::translate(-static_cast<int>(font.get_string_width(name)*5), 6, 0);
+ const GL::Font &font = netvis.get_font();
+ GL::translate(-static_cast<int>(font.get_string_width(short_name)*5), 6, 0);
GL::scale_uniform(10);
- font.draw_string(name);
+
+ imm.color(1.0f, 1.0f, 1.0f);
+ font.draw_string(short_name, imm);
GL::Texture::unbind();
GL::pop_matrix();