+
+#
+# some active measures
+#
+
+
+sub send_dx_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ next if $line =~ /PC61/ && !$dxchan->is_spider && !$dxchan->is_user;
+ $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
+ }
+}
+
+sub dx_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{spotsfilter}) {
+ ($filter, $hops) = $self->{spotsfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line);
+}
+
+sub send_prot_line
+{
+ my ($self, $filter, $hops, $isolate, $line) = @_;
+ my $routeit;
+
+
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($self, $line); # adjust its hop count by node name
+ return unless $routeit;
+ }
+ if ($filter) {
+ $self->send($routeit);
+ } else {
+ $self->send($routeit) unless $self->{isolate} || $isolate;
+ }
+}
+
+
+sub send_wwv_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all();
+ my $dxchan;
+ my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ my $routeit;
+ my ($filter, $hops);
+
+ $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
+ }
+}
+
+sub wwv
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{wwvfilter}) {
+ ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line)
+}
+
+sub send_wcy_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all();
+ my $dxchan;
+ my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self;
+
+ $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
+ }
+}
+
+sub wcy
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{wcyfilter}) {
+ ($filter, $hops) = $self->{wcyfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
+}
+
+# send an announce
+sub send_announce
+{
+ my $self = shift;
+ my $from_pc9x = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all();
+ my $dxchan;
+ my $target = $_[6];
+ my $to = 'To ';
+ my $text = unpad($_[2]);
+ my $from = $_[0];
+
+ if ($_[3] eq '*') { # sysops
+ $target = "SYSOP";
+ } elsif ($_[3] gt ' ') { # speciality list handling
+ my ($name) = split /\./, $_[3];
+ $target = "$name"; # put the rest in later (if bothered)
+ }
+
+ if ($_[5] eq '1') {
+ $target = "WX";
+ $to = '';
+ }
+ $target = "ALL" if !$target;
+
+
+ # obtain country codes etc
+ my @a = Prefix::cty_data($from);
+ my @b = Prefix::cty_data($_[4]);
+ if ($self->{inannfilter}) {
+ my ($filter, $hops) =
+ $self->{inannfilter}->it(@_, $self->{call},
+ @a[0..2],
+ @b[0..2], $a[3], $b[3]);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ # the sysop ('*') thing is an attempt to minimise the damage caused by non-updated PC93 generators
+ if (AnnTalk::dup($from, $target, $_[2]) || ($_[3] eq '*' && AnnTalk::dup($from, 'ALL', $_[2]))) {
+ my $dxchan = DXChannel::get($from);
+ if ($self == $main::me && $dxchan && $dxchan->is_user) {
+ if ($dxchan->priv < 5) {
+ $dxchan->send($dxchan->msg('dup'));
+ return;
+ }
+ } else {
+ dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ Log('ann', $target, $from, $text);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ next if $from_pc9x && $dxchan->{do_pc9x};
+ next if $target eq 'LOCAL' && $dxchan->is_node;
+ $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
+ @a[0..2], @b[0..2]);
+ }
+}
+
+my $msgid = int rand(1000);
+
+sub nextchatmsgid
+{
+ $msgid++;
+ $msgid = 1 if $msgid > 999;
+ return $msgid;
+}
+
+# send a chat line
+sub send_chat
+{
+ my $self = shift;
+ my $from_pc9x = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all();
+ my $dxchan;
+ my $target = $_[3];
+ my $text = unpad($_[2]);
+ my $ak1a_line;
+ my $from = $_[0];
+
+ # munge the group and recast the line if required
+ if ($target =~ s/\.LST$//) {
+ $ak1a_line = $line;
+ }
+
+ # obtain country codes etc
+ my @a = Prefix::cty_data($from);
+ my @b = Prefix::cty_data($_[4]);
+ if ($self->{inannfilter}) {
+ my ($filter, $hops) =
+ $self->{inannfilter}->it(@_, $self->{call},
+ @a[0..2],
+ @b[0..2], $a[3], $b[3]);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ if (AnnTalk::dup($from, $target, $_[2], $main::systime + $chatdupeage)) {
+ my $dxchan = DXChannel::get($from);
+ if ($self == $main::me && $dxchan && $dxchan->is_user) {
+ if ($dxchan->priv < 5) {
+ $dxchan->send($dxchan->msg('dup'));
+ return;
+ }
+ } else {
+ dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+ return;
+ }
+ }
+
+
+ Log('chat', $target, $from, $text);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ my $is_ak1a = $dxchan->is_ak1a;
+
+ if ($dxchan->is_node) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self;
+ next if $from_pc9x && $dxchan->{do_pc9x};
+ next unless $dxchan->is_spider || $is_ak1a;
+ next if $target eq 'LOCAL';
+ if (!$ak1a_line && $is_ak1a) {
+ $ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");
+ }
+ }
+
+ $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
+ $text, @_, $self->{call}, @a[0..2], @b[0..2]);
+ }
+}
+
+sub announce
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my $to = shift;
+ my $target = shift;
+ my $text = shift;
+ my ($filter, $hops);
+
+ if ($self->{annfilter}) {
+ ($filter, $hops) = $self->{annfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
+}
+
+sub chat
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my $to = shift;
+ my $target = shift;
+ my $text = shift;
+ my ($filter, $hops);
+
+ if ($self->{annfilter}) {
+ ($filter, $hops) = $self->{annfilter}->it(@_);
+ return unless $filter;
+ }
+ if (($self->is_spider || $self->is_ak1a) && $_[1] ne $main::mycall) {
+ send_prot_line($self, $filter, $hops, $isolate, $line);
+ }
+}
+
+
+sub send_local_config
+{
+ my $self = shift;
+
+ dbg('DXProt::send_local_config') if isdbg('trace');
+
+ # send our nodes
+ my $node;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
+
+ if ($self->{isolate}) {
+ dbg("send_local_config: isolated");
+ @localnodes = ( $main::routeroot );
+ $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
+ } elsif ($self->{do_pc9x}) {
+ dbg("send_local_config: doing pc9x");
+ my $node = Route::Node::get($self->{call});
+# $self->send_last_pc92_config($main::routeroot);
+# $self->send(pc92a($main::routeroot, $node)) unless $main::routeroot->last_PC92C =~ /$self->{call}/;
+ $self->send(pc92a($main::routeroot, $node));
+ $self->send(pc92k($main::routeroot));
+ } else {
+ # create a list of all the nodes that are not connected to this connection
+ # and are not themselves isolated, this to make sure that isolated nodes
+ # don't appear outside of this node
+
+ dbg("send_local_config: traditional");
+
+ # send locally connected nodes
+ my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
+ @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
+ $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
+
+ my $node;
+ my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
+ my @intcalls;
+ foreach $node (@rawintcalls) {
+ push @intcalls, $node if grep $_ && $node != $_, @intcalls;
+ }
+ my $ref = Route::Node::get($self->{call});
+ my @rnodes = $ref->nodes;
+ foreach $node (@intcalls) {
+ push @remotenodes, Route::Node::get($node) if grep $_ && $node != $_, @rnodes, @remotenodes;
+ }
+ $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
+ }
+
+ # get all the users connected on the above nodes and send them out
+ unless ($self->{do_pc9x}) {
+ foreach $node ($main::routeroot, @localnodes, @remotenodes) {
+ if ($node) {
+ my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
+ $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
+ } else {
+ dbg("sent a null value") if isdbg('chanerr');
+ }
+ }
+ }
+}
+
+sub gen_my_pc92_config
+{
+ my $node = shift;
+
+ if ($node->{call} eq $main::mycall) {
+ clear_pc92_changes(); # remove any slugged data, we are generating it as now
+ my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
+ dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
+ my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
+ dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
+ return pc92c($node, @localnodes);
+ } else {
+ my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
+ return pc92c($node, @rout);
+ }
+}
+
+sub send_last_pc92_config
+{
+ my $self = shift;
+ my $node = shift;
+ if (my $l = $node->last_PC92C) {
+ $self->send($l);
+ } else {
+ $self->send_pc92_config($node);
+ }
+}
+
+sub send_pc92_config
+{
+ my $self = shift;
+ my $node = shift;
+
+ dbg('DXProt::send_pc92_config') if isdbg('trace');
+
+ $node->last_PC92C(gen_my_pc92_config($node));
+ $self->send($node->last_PC92C);
+}
+
+sub broadcast_pc92_update
+{
+ my $self = shift;
+ my $call = shift;
+
+ dbg("ROUTE: broadcast_pc92_update $call") if isdbg('obscount');
+
+ my $nref = Route::Node::get($call);
+ unless ($nref) {
+ dbg("ERROR: broadcast_pc92_update - Route::Node $call disappeared");
+ return;
+ }
+ my $l = $nref->last_PC92C(gen_my_pc92_config($nref));
+ $nref->lastid(last_pc9x_id());
+ $main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
+ $self->update_pc92_next;
+}
+
+sub broadcast_pc92_keepalive
+{
+ my $self = shift;
+ my $call = shift;
+
+ dbg("ROUTE: broadcast_pc92_keepalive $call") if isdbg('obscount');
+
+ my $nref = Route::Node::get($call);
+ unless ($nref) {
+ dbg("ERROR: broadcast_pc92_keepalive - Route::Node $call disappeared");
+ return;
+ }
+ my $l = pc92k($nref);
+ $nref->lastid(last_pc9x_id());
+ $main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
+ $self->update_pc92_keepalive;
+}
+
+sub time_out_pc92_routes
+{
+ my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
+ my @rdel;
+ foreach my $n (@nodes) {
+ my $o = $n->dec_obs;
+ if ($o <= 0) {
+ if (my $dxchan = DXChannel::get($n->call)) {
+ dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('obscount');
+ $dxchan->disconnect;
+ next;
+ }
+ my @parents = map {Route::Node::get($_)} $n->parents;
+ for (@parents) {
+ if ($_) {
+ dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('obscount');
+ push @rdel, $n->del($_);
+ }
+ }
+ } else {
+ dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('obscount');
+ }
+ }
+ for (@rdel) {
+ $main::me->route_pc21($main::mycall, undef, $_) if $_;
+ }
+}
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+
+sub route