X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FThingy%2FPing.pm;h=09d0e59225c542020f1511d9e8e4114e4c11ab16;hb=57740a288c82793988be72c9b5666087d636344f;hp=6fe808b53423a45d23b6712191dba3d9a44bc3ea;hpb=4d22d5fd3874e8292d82f84a777b99ff7d10402a;p=spider.git

diff --git a/perl/Thingy/Ping.pm b/perl/Thingy/Ping.pm
index 6fe808b5..09d0e592 100644
--- 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;