X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FThingy%2FPing.pm;h=edcd8fe741927acec6282f0ecd666cd195582ce6;hb=dca951f539a50c396d7a94ad9f513a19892d54ad;hp=6fe808b53423a45d23b6712191dba3d9a44bc3ea;hpb=4d22d5fd3874e8292d82f84a777b99ff7d10402a;p=spider.git

diff --git a/perl/Thingy/Ping.pm b/perl/Thingy/Ping.pm
index 6fe808b5..edcd8fe7 100644
--- a/perl/Thingy/Ping.pm
+++ b/perl/Thingy/Ping.pm
@@ -19,15 +19,19 @@ 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}) {
-	 	$thing->{Aranea} = Aranea::genmsg($thing);
+	 	$thing->{Aranea} = Aranea::genmsg($thing, qw(id));
 	}
  	return $thing->{Aranea};
 }
@@ -57,7 +61,8 @@ sub gen_DXCommandmode
 
 sub from_DXProt
 {
-	my $thing = shift;
+	my $thing = ref $_[0] ? shift : $_[0]->SUPER::new();
+	
 	while (@_) {
 		my $k = shift;
 		$thing->{$k} = shift;
@@ -70,7 +75,102 @@ 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 = $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}} || $thing->find;
+			if ($ref) {
+				my $t = tv_interval($thing->{t}, [ gettimeofday ]);
+				if (my $dxc = DXChannel::get($thing->{user} || $thing->{origin})) {
+					
+					my $tochan = DXChannel::get($thing->{touser} || $thing->{group});
+					
+					if ($dxc->is_user) {
+						my $s = sprintf "%.2f", $t; 
+						my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+						$dxc->send($dxc->msg('pingi', ($thing->{touser} || $thing->{group}), $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);
+	}
+}
+
+# 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 $call = shift;
+	foreach my $thing (values %ping) {
+		if (($thing->{user} || $thing->{origin}) eq $call) {
+			return $thing;
+		}
+	}
+	return undef;
+}
 1;