package Thingy::Ping;
use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /^\d+\.\d+(?:\.(\d+)\.(\d+))?$/ || (0,0));
-$main::build += $VERSION;
-$main::branch += $BRANCH;
+
+main::mkver($VERSION = q$Revision$);
use DXChannel;
use DXDebug;
use DXUtil;
use Thingy;
use Spot;
+use Time::HiRes qw(gettimeofday tv_interval);
+
-use vars qw(@ISA);
+use vars qw(@ISA %ping);
@ISA = qw(Thingy);
+my $id;
+
sub gen_Aranea
{
my $thing = shift;
unless ($thing->{Aranea}) {
- my @items;
- $thing->{Aranea} = Aranea::genmsg($thing, 'Rloc', @items);
+ $thing->{Aranea} = Aranea::genmsg($thing, qw(id out));
}
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 = $thing->{user} if Route::Node::get($thing->{user});
+ $from ||= $thing->{origin};
+ my $to = $thing->{touser} if Route::Node::get($thing->{touser});
+ $to ||= $thing->{group};
+
+ $thing->{DXProt} = DXProt::pc51($to, $from, $thing->{out});
+ }
return $thing->{DXProt};
}
sub from_DXProt
{
- my $thing = shift;
+ my $thing = ref $_[0] ? shift : $_[0]->SUPER::new();
+
while (@_) {
my $k = shift;
$thing->{$k} = shift;
}
- ($thing->{hops}) = $thing->{DXProt} =~ /\^H(\d+)\^?~?$/ if exists $thing->{DXProt};
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};
+ $repthing->send($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->{origin}, $thing->{group});
+ if ($ref) {
+ my $t = tv_interval($ref->{t}, [ gettimeofday ]);
+ if (my $dxc = DXChannel::get($ref->{user} || $ref->{origin})) {
+
+ my $tochan = DXChannel::get($ref->{touser} || $ref->{group});
+
+ if ($dxc->is_user) {
+ my $s = sprintf "%.2f", $t;
+ my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+ $dxc->send($dxc->msg('pingi', $ref->{user}, $s, $ave))
+ } elsif ($dxc->is_node) {
+ 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
+ }
+ }
+ }
+ }
+ }
+ } else {
+ $thing->broadcast($dxchan);
+ }
}
-sub in_filter
+# 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;
- my $dxchan = shift;
-
- # global route filtering on INPUT
- if ($dxchan->{inroutefilter}) {
- my ($filter, $hops) = $dxchan->{inroutefilter}->it($thing->{routedata});
- unless ($filter) {
- dbg("PCPROT: Rejected by input route filter") if isdbg('chanerr');
- return;
+ $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 1;
+ return $count;
}
-sub out_filter
+sub find
{
- my $thing = shift;
- my $dxchan = shift;
+ my $to = shift;
+ my $from = shift;
+ my $user = shift;
- # global route filtering on INPUT
- if ($dxchan->{routefilter}) {
- my ($filter, $hops) = $dxchan->{routefilter}->it($thing->{routedata});
- unless ($filter) {
- dbg("PCPROT: Rejected by output route filter") if isdbg('chanerr');
- return;
+ 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;
+ }
}
- $thing->{hops} = $hops if $hops;
- } elsif ($dxchan->{isolate}) {
- return;
}
- return 1;
+ return undef;
}
1;