void mtr_fill_graph(int at, int cols)
{
int* saved;
int i;
saved = net_saved_pings(at);
for (i = SAVED_PINGS-cols; i < SAVED_PINGS; i++) {
if (saved[i] == -2) {
printw(" ");
} else if (saved[i] == -1) {
attrset(block_col[0]);
printw("%c", '?');
attrset(A_NORMAL);
} else {
if (display_mode == 1) {
if (saved[i] > scale[6]) {
printw("%c", block_map[NUM_FACTORS-1]);
} else {
printw(".");
}
} else {
mtr_print_scaled(saved[i]);
}
}
}
}
void mtr_fill_graph(int at, int cols)
{
int* saved;
int i;
saved = net_saved_pings(at);
for (i = SAVED_PINGS-cols; i < SAVED_PINGS; i++) {
if (saved[i] == -2) {
printw(" ");
} else if (saved[i] == -1) {
attron(A_BOLD);
printw("?");
attroff(A_BOLD);
} else {
if (display_mode == 1) {
if (saved[i] > scale[6]) {
printw("%c", block_map[7]);
} else {
printw(".");
}
} else {
mtr_print_scaled(saved[i]);
}
}
}
}
void mtr_gen_scale(void)
{
int *saved, i, max, at;
int range;
low_ms = 1000000;
high_ms = -1;
for (i = 0; i < NUM_FACTORS; i++) {
scale[i] = 0;
}
max = net_max();
for (at = display_offset; at < max; at++) {
saved = net_saved_pings(at);
for (i = 0; i < SAVED_PINGS; i++) {
if (saved[i] < 0) continue;
if (saved[i] < low_ms) {
low_ms = saved[i];
}
if (saved[i] > high_ms) {
high_ms = saved[i];
}
}
}
range = high_ms - low_ms;
for (i = 0; i < NUM_FACTORS; i++) {
scale[i] = low_ms + ((double)range * factors[i]);
}
}
void gc_redraw(void) {
gc_keyaction(cr_dispatch_event());
if (paused)
return;
int i, at;
int min = net_min();
int max = net_max();
int hops = max - min /* + 1 */;
if (!hops)
hops++;
cr_set_hops(hops, min);
struct timeval now;
gettimeofday(&now, NULL);
int dt = (now.tv_sec - lasttime.tv_sec) * USECONDS + (now.tv_usec - lasttime.tv_usec);
lasttime = now;
if (dt < timeout) {
int pings = net_xmit(min);
for (at = min + 1; at < max; at++)
if (net_xmit(at) != pings)
return;
if (pings > num_pings)
num_pings = pings;
else
return;
}
if (params.enable_legend) {
static int hi_max;
if (!hostinfo_max)
hi_max = 0;
if (hostinfo_max > hi_max) {
hi_max = hostinfo_max;
curses_cols = cr_recalc(hostinfo_max);
pr_lastd();
}
cr_init_legend();
cr_print_legend_header(display_mode ? legend_hd[LEGEND_HEADER] : legend_hd[LEGEND_HEADER_STATIC]);
}
for (i = 0, at = min; i < hops; i++, at++) {
ip_t *addr = net_addr(at);
if (addrcmp((void *)addr, (void *)&unspec_addr, af) != 0) {
int *saved = net_saved_pings(at);
int saved_ndx = SAVED_PINGS - 2; // waittime ago
if (params.jitter_graph) {
// jitter, defined as "tN - tN-1" (net.c)
if ((saved[saved_ndx] < 0) || (saved[saved_ndx - 1] < 0)) // unsent, unknown, etc.
data[i] = -1;
else {
int saved_jttr = saved[saved_ndx] - saved[saved_ndx - 1];
data[i] = (saved_jttr < 0) ? -saved_jttr : saved_jttr;
}
} else
data[i] = (saved[saved_ndx] >= 0) ? saved[saved_ndx] : -1;
if (params.enable_legend) {
// line+hop
cr_print_hop(i);
// hostinfo
fill_hostinfo(at, addr);
char *stat = buf + strlen(buf) + 1;
// statistics
if (display_mode) {
mtr_gen_scale_gc();
char *pos = stat;
int j;
#ifdef UNICODE
if (display_mode == 3) {
for (j = SAVED_PINGS - curses_cols; j < SAVED_PINGS; j++) {
*(wchar_t*)pos = mtr_curses_saved_wch(saved[j]);
pos += sizeof(wchar_t);
}
*(wchar_t*)pos = L'\0';
} else
#endif
{
for (j = SAVED_PINGS - curses_cols; j < SAVED_PINGS; j++)
*pos++ = mtr_curses_saved_ch(saved[j]);
*pos = 0;
}
} else
mtr_fill_data(at, stat);
cr_print_host(i, data[i], buf, stat);
// mpls
if (enablempls)
gc_print_mpls(i, data[i], net_mpls(at));
// multipath
if (params.enable_multipath) {
int j;
for (j = 0; j < MAXPATH; j++) {
ip_t *addrs = net_addrs(at, j);
if (addrcmp((void *)addrs, (void *)addr, af) == 0)
continue;
if (addrcmp((void *)addrs, (void *)&unspec_addr, af) == 0)
break;
fill_hostinfo(at, addrs);
cr_print_host(i, data[i], buf, NULL);
if (enablempls) // multipath+mpls
gc_print_mpls(i, data[i], net_mplss(at, j));
}
}
}
} else // empty hop
if (params.enable_legend) {
cr_print_hop(i);
cr_print_host(i, 0, NULL, NULL);
}
}
if (params.enable_legend)
if (display_mode) {
mtr_curses_scale_desc(legend_hd[LEGEND_FOOTER]);
cr_print_legend_footer(legend_hd[LEGEND_FOOTER]);
}
cr_redraw(data);
if (hops)
timeout = POS_ROUND(((WaitTime * hops) / NUMHOSTS) * USECONDS);
}