+#
+# 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) {
+ my $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{spotfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+
+ if ($dxchan->is_ak1a) {
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+ }
+ } elsif ($dxchan->is_user && $dxchan->{dx}) {
+ my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+sub send_wwv_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) {
+ my $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{spotfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+ if ($dxchan->is_ak1a) {
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+
+ }
+ } elsif ($dxchan->is_user && $dxchan->{wwv}) {
+ my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+# send an announce
+sub send_announce
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $text = unpad($_[2]);
+ my $target;
+ my $to = 'To ';
+
+ if ($_[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;
+
+ Log('ann', $target, $_[0], $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 $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{annfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+ if ($dxchan->is_ak1a) {
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+
+ }
+ } elsif ($dxchan->is_user && $dxchan->{ann}) {
+ next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
+ my $buf = "$to$target de $_[0]: $text";
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+sub send_local_config
+{
+ my $self = shift;
+ my $n;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
+
+ # send our nodes
+ if ($self->{isolate}) {
+ @localnodes = (DXCluster->get_exact($main::mycall));
+ } 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
+ @nodes = DXNode::get_all();
+ @nodes = grep { $_->{call} ne $main::mycall } @nodes;
+ @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
+ @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
+ @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
+ unshift @localnodes, DXCluster->get_exact($main::mycall);
+ @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
+ }
+
+ my @s = $me->pc19(@localnodes, @remotenodes);
+ for (@s) {
+ my $routeit = adjust_hops($self, $_);
+ $self->send($routeit) if $routeit;
+ }
+
+ # get all the users connected on the above nodes and send them out
+ foreach $n (@localnodes, @remotenodes) {
+ my @users = values %{$n->list};
+ my @s = pc16($n, @users);
+ for (@s) {
+ my $routeit = adjust_hops($self, $_);
+ $self->send($routeit) if $routeit;
+ }
+ }
+}
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+sub route
+{
+ my ($call, $line) = @_;
+ my $cl = DXCluster->get_exact($call);
+ if ($cl) {
+ my $hops;
+ my $dxchan = $cl->{dxchan};
+ if ($dxchan) {
+ my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ if ($routeit) {
+ $dxchan->send($routeit) if $dxchan;
+ }
+ }
+ }
+}
+
+# broadcast a message to all clusters taking into account isolation
+# [except those mentioned after buffer]
+sub broadcast_ak1a
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_ak1a();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
+ $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
+ }
+}
+
+# broadcast a message to all clusters ignoring isolation
+# [except those mentioned after buffer]
+sub broadcast_all_ak1a
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_ak1a();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
+ $dxchan->send($routeit);
+ }
+}
+
+# broadcast to all users
+# storing the spot or whatever until it is in a state to receive it
+sub broadcast_users
+{
+ my $s = shift; # the line to be rebroadcast
+ my $sort = shift; # the type of transmission
+ my $fref = shift; # a reference to an object to filter on
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_users();
+ my $dxchan;
+ my @out;
+
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ push @out, $dxchan;
+ }
+ broadcast_list($s, $sort, $fref, @out);
+}
+
+# broadcast to a list of users
+sub broadcast_list
+{
+ my $s = shift;
+ my $sort = shift;
+ my $fref = shift;
+ my $dxchan;
+
+ foreach $dxchan (@_) {
+ my $filter = 1;
+
+ if ($sort eq 'dx') {
+ next unless $dxchan->{dx};
+ ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
+ next unless $filter;
+ }
+ next if $sort eq 'ann' && !$dxchan->{ann};
+ next if $sort eq 'wwv' && !$dxchan->{wwv};
+ next if $sort eq 'wx' && !$dxchan->{wx};
+
+ $s =~ s/\a//og unless $dxchan->{beep};
+
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($s);
+ } else {
+ $dxchan->delay($s);
+ }
+ }
+}
+
+#
+# gimme all the ak1a nodes
+#
+sub get_all_ak1a
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_ak1a;
+ }
+ return @out;
+}
+
+# return a list of all users
+sub get_all_users
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_user;
+ }
+ return @out;
+}
+
+# return a list of all user callsigns
+sub get_all_user_calls
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref->call if $ref->is_user;
+ }
+ return @out;
+}
+
+#
+# obtain the hops from the list for this callsign and pc no
+#
+
+sub get_hops
+{
+ my $pcno = shift;
+ my $hops = $DXProt::hopcount{$pcno};
+ $hops = $DXProt::def_hopcount if !$hops;
+ return "H$hops";
+}
+
+#
+# adjust the hop count on a per node basis using the user loadable
+# hop table if available or else decrement an existing one
+#
+
+sub adjust_hops
+{
+ my $self = shift;
+ my $s = shift;
+ my $call = $self->{call};
+ my $hops;
+
+ if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
+ my ($pcno) = $s =~ /^PC(\d\d)/o;
+ confess "$call called adjust_hops with '$s'" unless $pcno;
+ my $ref = $nodehops{$call} if %nodehops;
+ if ($ref) {
+ my $newhops = $ref->{$pcno};
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $ref->{default} unless $newhops;
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $hops if !$newhops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
+ } else {
+ # simply decrement it
+ $hops--;
+ return "" if !$hops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
+ }
+ }
+ return $s;
+}
+
+#
+# load hop tables
+#
+sub load_hops
+{
+ my $self = shift;
+ return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
+ do "$main::data/hop_table.pl";
+ return $@ if $@;
+ return 0;
+}
+
+# remove leading and trailing spaces from an input string
+sub unpad
+{
+ my $s = shift;
+ $s =~ s/^\s+|\s+$//;
+ return $s;
+}
+
+# add a ping request to the ping queues
+sub addping
+{
+ my ($from, $to) = @_;
+ my $ref = $pings{$to};
+ $ref = $pings{$to} = [] if !$ref;
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = $main::systime;
+ route($to, pc51($to, $main::mycall, 1));
+ push @$ref, $r;
+}
+
+# add a rcmd request to the rcmd queues
+sub addrcmd
+{
+ my ($from, $to, $cmd) = @_;
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = $main::systime;
+ $r->{cmd} = $cmd;
+ route($to, pc34($main::mycall, $to, $cmd));
+ $rcmds{$to} = $r;
+}