int
as_path_get_first(struct adata *path, u32 *last_as)
{
u8 *p = path->data;
if ((path->length == 0) || (p[0] != AS_PATH_SEQUENCE) || (p[1] == 0))
return 0;
else
{
*last_as = get_as(p+2);
return 1;
}
}
void
as_path_format(struct adata *path, byte *buf, unsigned int size)
{
byte *p = path->data;
byte *e = p + path->length;
byte *end = buf + size - 16;
int sp = 1;
int l, isset;
while (p < e)
{
if (buf > end)
{
strcpy(buf, " ...");
return;
}
isset = (*p++ == AS_PATH_SET);
l = *p++;
if (isset)
{
if (!sp)
*buf++ = ' ';
*buf++ = '{';
sp = 0;
}
while (l-- && buf <= end)
{
if (!sp)
*buf++ = ' ';
buf += bsprintf(buf, "%u", get_as(p));
p += BS;
sp = 0;
}
if (isset)
{
*buf++ = ' ';
*buf++ = '}';
sp = 0;
}
}
*buf = 0;
}
int
as_path_contains(struct adata *path, u32 as, int min)
{
u8 *p = path->data;
u8 *q = p+path->length;
int num = 0;
int i, n;
while (p<q)
{
n = p[1];
p += 2;
for(i=0; i<n; i++)
{
if (get_as(p) == as)
if (++num == min)
return 1;
p += BS;
}
}
return 0;
}
int
as_path_get_last(struct adata *path, u32 *orig_as)
{
int found = 0;
u32 res = 0;
u8 *p = path->data;
u8 *q = p+path->length;
int len;
while (p<q)
{
switch (*p++)
{
case AS_PATH_SET:
if (len = *p++)
{
found = 0;
p += BS * len;
}
break;
case AS_PATH_SEQUENCE:
if (len = *p++)
{
found = 1;
res = get_as(p + BS * (len - 1));
p += BS * len;
}
break;
default: bug("as_path_get_first: Invalid path segment");
}
}
if (found)
*orig_as = res;
return found;
}
double ConstantSet::get_as(std::string const &name,
std::string const &sunits) const
{
UTUnit units(ut_system->parse(sunits));
return get_as(name, units);
}
A_Zoomdlg::A_Zoomdlg(wxWindow* parent, wxWindowID id)
: A_Spintextdialog(parent, id, _("Set Scale"), 2
, get_as(), _("Set scale (zoom) as percent:"))
{
}
