start ping work

[spider.git] / perl / Thingy / Ping.pm

diff --git a/perl/Thingy/Ping.pm b/perl/Thingy/Ping.pm
index 6fe808b53423a45d23b6712191dba3d9a44bc3ea..09d0e59225c542020f1511d9e8e4114e4c11ab16 100644 (file)
--- a/perl/Thingy/Ping.pm
+++ b/perl/Thingy/Ping.pm
@@ -20,9 +20,11 @@ use DXUtil;
 use Thingy;
 use Spot;
 
-use vars qw(@ISA);
+use vars qw(@ISA @ping);
 @ISA = qw(Thingy);
 
+my $id;
+
 sub gen_Aranea
 {
        my $thing = shift;
@@ -57,7 +59,8 @@ sub gen_DXCommandmode
 
 sub from_DXProt
 {
-       my $thing = shift;
+       my $thing = ref $_[0] ? shift : $thing->SUPER::new();
+       
        while (@_) {
                my $k = shift;
                $thing->{$k} = shift;
@@ -70,7 +73,128 @@ sub handle
        my $thing = shift;
        my $dxchan = shift;
 
-       $thing->broadcast($dxchan);
+       # is it for us?
+       if ($thing->{group} eq $main::mycall) {
+               if ($thing->{out} == 1) {
+                       my $repthing;
+                       if ($thing->{touser}) {
+                               if (my $dxchan = DXChannel::get($thing->{touser})) {
+                                       if ($dxchan->is_node) {
+                                               $thing->send($dxchan);
+                                       } else {
+                                               $repthing = Thingy::Ping->new_reply($thing);
+                                       }
+                               }
+                       } else {
+                               $repthing = Thingy::Ping->new_reply($thing);
+                       }
+                       $repthing->send($dxchan) if $repthing;
+               } else {
+
+                       # it's a reply, look in the ping list for this one
+                       my $ref = $pings{$from};
+                       if ($ref) {
+                               my $tochan =  DXChannel::get($from);
+                               while (@$ref) {
+                                       my $r = shift @$ref;
+                                       my $dxchan = DXChannel::get($r->{call});
+                                       next unless $dxchan;
+                                       my $t = tv_interval($r->{t}, [ gettimeofday ]);
+                                       if ($dxchan->is_user) {
+                                               my $s = sprintf "%.2f", $t; 
+                                               my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+                                               $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
+                                       } elsif ($dxchan->is_node) {
+                                               if ($tochan) {
+                                                       my $nopings = $tochan->user->nopings || $obscount;
+                                                       push @{$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 $ivp = Investigate::get($from, $origin)) {
+                                                               $ivp->handle_ping;
+                                                       }
+                                               } elsif (my $rref = Route::Node::get($r->{call})) {
+                                                       if (my $ivp = Investigate::get($from, $origin)) {
+                                                               $ivp->handle_ping;
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+               }
+       } 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->{group} || $thing->{user}), $main::systime);
+               $u->put;
+       }
+       push @ping, $thing;
+}
+
+# remove any pings outstanding that we have remembered for this
+# callsign, return the number of forgotten pings
+sub forget
+{
+       my $call = shift;
+       my $count = 0;
+       my @out;        
+       for (@ping) {
+               if ($thing->{user} eq $call) {
+                       $count++;
+               } else {
+                       push @out, $_;
+               }
+       }
+       @ping = @out;
+       return $count;
+}
+
+sub find
+{
+       my $from = shift;
+       my $to = shift;
+       my $via = shift;
+       
+       for (@ping) {
+               if ($_->{user} eq $from && $_->{to} eq $to) {
+                       if ($via) {
+                               return $_ if $_->{group} eq $via;
+                       } else {
+                               return $_;
+                       }
+               }
+       }
+       return undef;
+}
 1;