use DXUtil;
use Thingy;
use Spot;
+use Time::HiRes qw(gettimeofday tv_interval);
-use vars qw(@ISA);
+
+use vars qw(@ISA %ping $ping_ttl);
@ISA = qw(Thingy);
+my $id;
+$ping_ttl = 300; # default ping ttl
+
+
sub gen_Aranea
{
my $thing = shift;
unless ($thing->{Aranea}) {
- $thing->{Aranea} = Aranea::genmsg($thing);
+ $thing->{Aranea} = Aranea::genmsg($thing, qw(id out o));
}
return $thing->{Aranea};
}
{
my $thing = shift;
my $dxchan = shift;
+ unless ($thing->{DXProt}) {
+ # we need to tease out the nodes out of all of this.
+ # bear in mind that a proxied PC prot node could be in
+ # {user} as well as a true user and also it may not
+ # have originated here.
+
+ my ($from, $to);
+ if ($thing->{out}) {
+ $from = $thing->{o};
+ $from ||= $thing->{user} unless Route::User::get($thing->{user});
+ $from ||= $thing->{origin};
+ $to = $thing->{touser} unless Route::User::get($thing->{touser});
+ $to ||= $thing->{group};
+ } else {
+ $from ||= $thing->{user} unless Route::User::get($thing->{user});
+ $from ||= $thing->{origin};
+ $to = $thing->{o};
+ $to ||= $thing->{touser} unless Route::User::get($thing->{touser});
+ $to ||= $thing->{group};
+ }
+ $thing->{DXProt} = DXProt::pc51($to, $from, $thing->{out});
+ }
return $thing->{DXProt};
}
my $thing = shift;
my $dxchan = shift;
my $buf;
-
+ if ($dxchan->{call} eq $thing->{touser}) {
+ $buf = $dxchan->msg('pingi', ($thing->{user} || $thing->{origin}), $thing->{ft}, $thing->{fave});
+ }
return $buf;
}
+# called with the dxchan, line and the split out arguments
sub from_DXProt
{
- my $thing = shift;
- while (@_) {
- my $k = shift;
- $thing->{$k} = shift;
- }
+ my $thing = ref $_[0] ? shift : $_[0]->SUPER::new(origin=>$main::mycall);
+ my $dxchan = shift;
+ $thing->{DXProt} = shift;
+ shift; # PC51
+ $thing->{group} = shift; # to call
+ my $from = shift;
+ $thing->{out} = shift; # 1 = ping, 0 = pong;
+ $thing->{user} = $dxchan->{call};
+ $thing->{o} = $from unless $from eq $dxchan->{call};
+ $thing->remember if $thing->{out} && $thing->{group} ne $main::mycall;
return $thing;
}
my $thing = shift;
my $dxchan = shift;
- $thing->broadcast($dxchan);
+ # is it for us?
+ if ($thing->{group} eq $main::mycall) {
+ if ($thing->{out} == 1) {
+ my $repthing = $thing->new_reply;
+ $repthing->{out} = 0;
+ $repthing->{id} = $thing->{id};
+ $repthing->{o} = $thing->{o} if $thing->{o};
+ $repthing->send($dxchan) if $repthing;
+ } else {
+
+ # it's a reply, look in the ping list for this one
+ my $ref = $ping{$thing->{id}} if exists $thing->{id};
+ $ref ||= find(($thing->{user}||$thing->{origin}), ($thing->{touser}||$thing->{group}));
+ if ($ref) {
+ my $t = tv_interval($ref->{t}, [ gettimeofday ]);
+ my $tochan = DXChannel::get($ref->{touser} || $ref->{group});
+ if ($tochan) {
+ my $nopings = $tochan->user->nopings || $DXProt::obscount;
+ push @{$tochan->{pingtime}}, $t;
+ shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
+
+ # cope with a missed ping, this means you must set the pingint large enough
+ if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
+ $t -= $tochan->{pingint};
+ }
+
+ # calc smoothed RTT a la TCP
+ if (@{$tochan->{pingtime}} == 1) {
+ $tochan->{pingave} = $t;
+ } else {
+ $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
+ }
+ $tochan->{nopings} = $nopings; # pump up the timer
+ }
+ if (my $dxc = DXChannel::get($ref->{user} || $ref->{origin})) {
+ $thing->{ft} = sprintf "%.2f", $t;
+ $thing->{fave} = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+ $thing->send($dxc);
+ }
+ delete $ping{$ref->{id}};
+ }
+ }
+ } else {
+ $thing->broadcast($dxchan);
+ }
}
+# this just creates a ping for onward transmission
+# remember it if you want to ping someone from here
+sub new_ping
+{
+ my $pkg = shift;
+ my $thing = $pkg->SUPER::new(@_);
+}
+
+# do this for pings we generate ourselves
+sub remember
+{
+ my $thing = shift;
+ $thing->{t} = [ gettimeofday ];
+ $thing->{out} = 1;
+ $thing->{id} = ++$id;
+ my $u = DXUser->get_current($thing->{to});
+ if ($u) {
+ $u->lastping(($thing->{user} || $thing->{group}), $main::systime);
+ $u->put;
+ }
+ $ping{$id} = $thing;
+}
+
+# remove any pings outstanding that we have remembered for this
+# callsign, return the number of forgotten pings
+sub forget
+{
+ my $call = shift;
+ my $count = 0;
+ my @out;
+ foreach my $thing (values %ping) {
+ if (($thing->{user} || $thing->{group}) eq $call) {
+ $count++;
+ delete $ping{$thing->{id}};
+ }
+ }
+ return $count;
+}
+
+sub find
+{
+ my $to = shift;
+ my $from = shift;
+ my $user = shift;
+
+ foreach my $thing (values %ping) {
+ if ($thing->{origin} eq $from && $thing->{group} eq $to) {
+ if ($user) {
+ return if $thing->{user} && $thing->{user} eq $user;
+ } else {
+ return $thing;
+ }
+ }
+ }
+ return undef;
+}
1;
projects / spider.git / blobdiff