int main(int argc, char** argv) {
int p = 6;
int s=1<<p;
while(1) {
printf("---\n");
FILE* in = popen("tmux capture-pane -pJ", "r");
unsigned char buf[s*s+1];
for(int i=0; i<s*s; i++) buf[i] = '.';
buf[s*s] = 0;
unsigned char c;
int i=0;
while(c = fgetc(in)) {
if(feof(in)) break;
int x, y;
d2xy(s, i, &x, &y);
if(c=='\n') c='~';
buf[x+y*s]=c;
i++;
}
for(int y=0; y<32; y++){
for(int x=0; x<s; x++) {
printf("%c", buf[x+y*s]);
}
printf("\n");
}
pclose(in);
sleep(1);
}
}
void
heatmap_image_hilbert_data_aspath_max_distance (int peer_spec_i)
{
int peer_index = peer_spec_index[peer_spec_i];
struct ptree *ptree = peer_ptree[peer_spec_i];
unsigned int a0, a1, a2;
struct in_addr addr = { 0 };
unsigned long val = 0;
unsigned char *p = (unsigned char *) &addr;
struct ptree_node *node;
//unsigned long count = 0;
unsigned long max = 0;
unsigned int array[256][256];
u_int32_t x, y;
x = y = 0;
for (a0 = 0; a0 < 256; a0++)
{
p[0] = (unsigned char) a0;
for (a1 = 0; a1 < 256; a1++)
{
p[1] = (unsigned char) a1;
//count = 0;
max = 0;
for (a2 = 0; a2 < 256; a2++)
{
p[2] = (unsigned char) a2;
//printf ("heat: addr: %s\n", inet_ntoa (addr));
node = ptree_search ((char *)&addr, 24, ptree);
if (node)
{
struct bgp_route *route = node->data;
//route_print (route);
//count++;
if (max < route->path_size)
max = route->path_size;
}
else
{
//printf ("no route.\n");
}
}
p[2] = 0;
val = (a0 << 8) + a1;
d2xy (1ULL << 16, val, &x, &y);
#if 0
printf ("val: %lu, x: %lu, y: %lu, count: %lu\n",
val, (unsigned long) x, (unsigned long) y,
(unsigned long) count);
#endif
#if 1
printf ("val: %lu, x: %lu, y: %lu, max: %lu\n",
val, (unsigned long) x, (unsigned long) y,
(unsigned long) max);
#endif
//array[x][y] = count;
int adjust = 16;
if (max * adjust > 255)
array[x][y] = 255;
else
array[x][y] = max * adjust;
}
}
//printf ("\n");
FILE *fp;
char filename[256];
snprintf (filename, sizeof (filename), "%s-p%d.dat",
heatmap_prefix, peer_index);
fp = fopen (filename, "w+");
if (! fp)
{
fprintf (stderr, "can't open file %s: %s\n",
filename, strerror (errno));
return;
}
for (a0 = 0; a0 < 256; a0++)
for (a1 = 0; a1 < 256; a1++)
fprintf (fp, "%u %u %u\n", a0, a1, array[a0][a1]);
fclose (fp);
printf ("%s is written.\n", filename);
}
void
heatmap_image_hilbert_gplot (int peer_spec_i)
{
int peer_index = peer_spec_index[peer_spec_i];
unsigned int a0;
unsigned long val = 0;
u_int32_t x1, y1, x2, y2;
u_int32_t xs, ys, xe, ye;
unsigned int index;
int textxmargin = 1;
int textymargin = 5;
FILE *fp;
char filename[256];
snprintf (filename, sizeof (filename), "%s-p%d.gp",
heatmap_prefix, peer_index);
fp = fopen (filename, "w+");
if (! fp)
{
fprintf (stderr, "can't open file %s: %s\n",
filename, strerror (errno));
return;
}
fprintf (fp, "set xlabel \"\"\n");
fprintf (fp, "set ylabel \"\"\n");
fprintf (fp, "\n");
fprintf (fp, "unset tics\n");
fprintf (fp, "\n");
fprintf (fp, "set cbrange [0:256]\n");
fprintf (fp, "set cbtics 32\n");
fprintf (fp, "\n");
fprintf (fp, "set xrange [-1:256]\n");
fprintf (fp, "set yrange [256:-1]\n");
fprintf (fp, "\n");
fprintf (fp, "set pm3d map\n");
fprintf (fp, "set palette defined (0 \"black\", 1 \"red\", "
"128 \"yellow\", 192 \"green\", 255 \"blue\")\n");
fprintf (fp, "\n");
fprintf (fp, "set style rect back fs empty border lc rgb \"white\"\n");
fprintf (fp, "\n");
for (a0 = 0; a0 < 256; a0++)
{
val = (a0 << 8);
d2xy (1ULL << 16, val, &x1, &y1);
val = (a0 << 8) + 255;
d2xy (1ULL << 16, val, &x2, &y2);
index = a0 + 1;
//printf ("%u: start (%u,%u) end (%u,%u).\n",
// a0, x1, y1, x2, y2);
#ifndef MIN
#define MIN(a,b) (a < b ? a : b)
#endif
#ifndef MAX
#define MAX(a,b) (a > b ? a : b)
#endif
xs = (MIN (x1, x2)) / 16 * 16;
ys = (MIN (y1, y2)) / 16 * 16;
xe = xs + 16;
ye = ys + 16;
fprintf (fp, "set label %u \"%u\" at first %u,%u left "
"font \",8\" front textcolor rgb \"white\"\n",
index, a0, xs + textxmargin, ys + textymargin);
fprintf (fp, "set object %u rect from %u,%u to %u,%u front\n",
index, xs, ys, xe, ye);
}
int asnum;
char bgpid[32], bgpaddr[32];
asnum = peer_table[peer_index].asnumber;
inet_ntop (AF_INET, &peer_table[peer_index].bgp_id,
bgpid, sizeof (bgpid));
inet_ntop (AF_INET, &peer_table[peer_index].ipv4_addr,
bgpaddr, sizeof (bgpaddr));
char *p, titlename[64];
p = rindex (heatmap_prefix, '/');
if (p)
snprintf (titlename, sizeof (titlename), "%s", ++p);
else
snprintf (titlename, sizeof (titlename), "%s", heatmap_prefix);
fprintf (fp, "\n");
fprintf (fp, "set title \"%s p%d bgpid:%s addr:%s AS%d\"\n",
titlename, peer_index, bgpid, bgpaddr, asnum);
fprintf (fp, "set term postscript eps enhanced color\n");
fprintf (fp, "set output '%s-p%d.eps'\n", heatmap_prefix, peer_index);
fprintf (fp, "splot '%s-p%d.dat' u 1:2:3 with image notitle\n",
heatmap_prefix, peer_index);
fprintf (fp, "\n");
fprintf (fp, "set term png\n");
fprintf (fp, "set output '%s-p%d.png'\n", heatmap_prefix, peer_index);
fprintf (fp, "replot\n");
fprintf (fp, "\n");
fclose (fp);
printf ("%s is written.\n", filename);
}