+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) if $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 $dxchan;
+ my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
+ my @dxcc = Prefix::extract($_[7]);
+ if (@dxcc > 0) {
+ $wwv_dxcc = $dxcc[1]->dxcc;
+ $wwv_itu = $dxcc[1]->itu;
+ $wwv_cq = $dxcc[1]->cq;
+ }
+ @dxcc = Prefix::extract($_[8]);
+ if (@dxcc > 0) {
+ $org_dxcc = $dxcc[1]->dxcc;
+ $org_itu = $dxcc[1]->itu;
+ $org_cq = $dxcc[1]->cq;
+ }
+
+ # 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 == $me;
+ next if $dxchan == $self && $self->is_node;
+ my $routeit;
+ my ($filter, $hops);
+
+ $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
+ }
+
+}
+
+sub wwv
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{wwvfilter}) {
+ ($filter, $hops) = $self->{wwvfilter}->it(@_);
+ 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 $dxchan;
+ my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
+ my @dxcc = Prefix::extract($_[11]);
+ if (@dxcc > 0) {
+ $wcy_dxcc = $dxcc[1]->dxcc;
+ $wcy_itu = $dxcc[1]->itu;
+ $wcy_cq = $dxcc[1]->cq;
+ }
+ @dxcc = Prefix::extract($_[12]);
+ if (@dxcc > 0) {
+ $org_dxcc = $dxcc[1]->dxcc;
+ $org_itu = $dxcc[1]->itu;
+ $org_cq = $dxcc[1]->cq;
+ }
+
+ # 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 == $me;
+ next if $dxchan == $self;
+
+ $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
+ }
+}
+
+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 $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $target;
+ my $to = 'To ';
+ my $text = unpad($_[2]);
+
+ 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], $text);
+
+ # obtain country codes etc
+ my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
+ my @dxcc = Prefix::extract($_[0]);
+ if (@dxcc > 0) {
+ $ann_dxcc = $dxcc[1]->dxcc;
+ $ann_itu = $dxcc[1]->itu;
+ $ann_cq = $dxcc[1]->cq;
+ }
+ @dxcc = Prefix::extract($_[4]);
+ if (@dxcc > 0) {
+ $org_dxcc = $dxcc[1]->dxcc;
+ $org_itu = $dxcc[1]->itu;
+ $org_cq = $dxcc[1]->cq;
+ }
+
+ # 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 == $me;
+ next if $dxchan == $self && $self->is_node;
+ my $routeit;
+ my ($filter, $hops);
+
+ $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq)
+ }
+}
+
+sub announce
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my $to = shift;
+ my $target = shift;
+ my ($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 send_local_config
+{
+ my $self = shift;
+ my $n;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
+
+ dbg('DXProt::send_local_config') if isdbg('trace');
+
+ # send our nodes
+ if ($self->{isolate}) {
+ @localnodes = ( $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
+ my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} } DXChannel::get_all_nodes();
+ @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
+ my @intcalls = map { $_->nodes } @localnodes if @localnodes;
+ my $ref = Route::Node::get($self->{call});
+ my @rnodes = $ref->nodes;
+ for my $n (@intcalls) {
+ push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
+ }
+ unshift @localnodes, $main::routeroot;
+ }
+
+ send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
+
+ # get all the users connected on the above nodes and send them out
+ foreach $n (@localnodes, @remotenodes) {
+ if ($n) {
+ send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
+ } else {
+ dbg("sent a null value") if isdbg('chanerr');
+ }
+ }
+}
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+sub route
+{
+ my ($self, $call, $line) = @_;
+
+ if (ref $self && $call eq $self->{call}) {
+ dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # always send it down the local interface if available
+ my $dxchan = DXChannel->get($call);
+ unless ($dxchan) {
+ my $cl = Route::get($call);
+ $dxchan = $cl->dxchan if $cl;
+ if (ref $dxchan) {
+ if (ref $self && $dxchan eq $self) {
+ dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+ }
+ if ($dxchan) {
+ my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ if ($routeit) {
+ $dxchan->send($routeit) unless $dxchan == $me;
+ }
+ } else {
+ dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
+ }
+}
+
+# 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 = DXChannel::get_all_nodes();
+ 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;
+ next if $dxchan == $me;
+
+ 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 = DXChannel::get_all_nodes();
+ 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;
+ next if $dxchan == $me;
+
+ 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 = DXChannel::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;
+ next if $dxchan == $me;
+
+ if ($sort eq 'dx') {
+ next unless $dxchan->{dx};
+ ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
+ next unless $filter;
+ }
+ next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
+ next if $sort eq 'wwv' && !$dxchan->{wwv};
+ next if $sort eq 'wcy' && !$dxchan->{wcy};
+ next if $sort eq 'wx' && !$dxchan->{wx};
+
+ $s =~ s/\a//og unless $dxchan->{beep};
+
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
+ $dxchan->send($s);
+ } else {
+ $dxchan->delay($s);
+ }
+ }
+}
+
+
+#
+# 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 $@;
+ return 0;
+}
+
+
+# add a ping request to the ping queues
+sub addping
+{
+ my ($from, $to) = @_;
+ my $ref = $pings{$to} || [];
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = [ gettimeofday ];
+ route(undef, $to, pc51($to, $main::mycall, 1));
+ push @$ref, $r;
+ $pings{$to} = $ref;
+}
+
+sub process_rcmd
+{
+ my ($self, $tonode, $fromnode, $user, $cmd) = @_;
+ if ($tonode eq $main::mycall) {
+ my $ref = DXUser->get_current($fromnode);
+ my $cref = Route::Node::get($fromnode);
+ Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
+ if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
+ if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
+ $self->{remotecmd} = 1; # for the benefit of any command that needs to know
+ my $oldpriv = $self->{priv};
+ $self->{priv} = $ref->{priv}; # assume the user's privilege level
+ my @in = (DXCommandmode::run_cmd($self, $cmd));
+ $self->{priv} = $oldpriv;
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
+ delete $self->{remotecmd};
+ } else {
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
+ }
+ } else {
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
+ }
+ } else {
+ my $ref = DXUser->get_current($tonode);
+ if ($ref && $ref->is_clx) {
+ $self->route($tonode, pc84($tonode, $fromnode, $user, $cmd));
+ } else {
+ $self->route($tonode, pc34($tonode, $fromnode, $cmd));
+ }
+ }
+}
+
+sub process_rcmd_reply
+{
+ my ($self, $tonode, $fromnode, $user, $line) = @_;
+ if ($tonode eq $main::mycall) {
+ my $s = $rcmds{$fromnode};
+ if ($s) {
+ my $dxchan = DXChannel->get($s->{call});
+ my $ref = DXChannel->get($user) || $dxchan;
+ $ref->send($line) if $ref;
+ delete $rcmds{$fromnode} if !$dxchan;
+ } else {
+ # send unsolicited ones to the sysop
+ my $dxchan = DXChannel->get($main::myalias);
+ $dxchan->send($line) if $dxchan;
+ }
+ } else {
+ my $ref = DXUser->get_current($tonode);
+ if ($ref && $ref->is_clx) {
+ $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
+ } else {
+ $self->route($tonode, pc35($fromnode, $tonode, $line));
+ }
+ }
+}
+
+sub send_rcmd_reply
+{
+ my $self = shift;
+ my $tonode = shift;
+ my $fromnode = shift;
+ my $user = shift;
+ while (@_) {
+ my $line = shift;
+ $line =~ s/\s*$//;
+ Log('rcmd', 'out', $fromnode, $line);
+ if ($self->is_clx) {
+ $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
+ } else {
+ $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
+ }
+ }
+}
+
+# add a rcmd request to the rcmd queues
+sub addrcmd
+{
+ my ($self, $to, $cmd) = @_;
+
+ my $r = {};
+ $r->{call} = $self->{call};
+ $r->{t} = $main::systime;
+ $r->{cmd} = $cmd;
+ $rcmds{$to} = $r;
+
+ my $ref = Route::Node::get($to);
+ my $dxchan = $ref->dxchan;
+ if ($dxchan && $dxchan->is_clx) {
+ route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
+ } else {
+ route(undef, $to, pc34($main::mycall, $to, $cmd));
+ }
+}
+
+sub disconnect
+{
+ my $self = shift;
+ my $pc39flag = shift;
+ my $call = $self->call;
+
+ unless ($pc39flag && $pc39flag == 1) {
+ $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
+ }
+
+ # do routing stuff
+ my $node = Route::Node::get($call);
+ my @rout;
+ if ($node) {
+ @rout = $node->del_nodes; # at the next level
+ @rout = $node->del($main::routeroot);
+ }
+
+ # unbusy and stop and outgoing mail
+ my $mref = DXMsg::get_busy($call);
+ $mref->stop_msg($call) if $mref;
+
+ # broadcast to all other nodes that all the nodes connected to via me are gone
+ unless ($pc39flag && $pc39flag == 2) {
+ $self->route_pc21(@rout) if @rout;
+ }
+
+ # remove outstanding pings
+ delete $pings{$call};
+
+ # I was the last node visited
+ $self->user->node($main::mycall);
+
+ # send info to all logged in thingies
+ $self->tell_login('logoutn');
+
+ Log('DXProt', $call . " Disconnected");
+
+ $self->SUPER::disconnect;
+}
+
+
+#
+# send a talk message to this thingy
+#
+sub talk
+{
+ my ($self, $from, $to, $via, $line) = @_;
+
+ $line =~ s/\^/\\5E/g; # remove any ^ characters
+ $self->send(DXProt::pc10($from, $to, $via, $line));
+ Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
+}
+
+# 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
+sub send_route
+{
+ my $self = shift;
+ my $generate = shift;
+ my $no = shift; # the no of things to filter on
+ my $routeit;
+ my ($filter, $hops);
+ my @rin;
+
+ for (; @_ && $no; $no--) {
+ my $r = shift;
+
+ if ($self->{routefilter}) {
+ $filter = undef;
+ if ($r) {
+ ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
+ if ($filter) {
+ push @rin, $r;
+ } else {
+ dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
+ }
+ } else {
+ dbg("was sent a null value") if isdbg('chanerr');
+ }
+ } else {
+ push @rin, $r;
+ }
+ }
+ if (@rin) {
+ foreach my $line (&$generate(@rin, @_)) {
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($self, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ $self->send($routeit) if $self->{routefilter} || !$self->{isolate};
+ }
+ }
+}
+
+sub broadcast_route
+{
+ my $self = shift;
+ my $generate = shift;
+ my @dxchan = DXChannel::get_all_nodes();
+ my $dxchan;
+ my $line;
+
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $self;
+ next if $dxchan == $me;
+ if ($dxchan->{routefilter} || !$self->{isolate}) {
+ $dxchan->send_route($generate, @_)
+ } else {
+ dbg('DXPROT: isolated') if isdbg('chanerr');
+ }
+ }
+}
+
+sub route_pc16
+{
+ my $self = shift;
+ broadcast_route($self, \&pc16, 1, @_);
+}
+
+sub route_pc17
+{
+ my $self = shift;
+ broadcast_route($self, \&pc17, 1, @_);
+}
+
+sub route_pc19
+{
+ my $self = shift;
+ broadcast_route($self, \&pc19, scalar @_, @_);
+}
+
+sub route_pc21
+{
+ my $self = shift;
+ broadcast_route($self, \&pc21, scalar @_, @_);
+}
+
+sub route_pc24
+{
+ my $self = shift;
+ broadcast_route($self, \&pc24, 1, @_);
+}
+
+sub route_pc41
+{
+ my $self = shift;
+ broadcast_route($self, \&pc41, 1, @_);
+}
+
+sub route_pc50
+{
+ my $self = shift;
+ broadcast_route($self, \&pc50, 1, @_);
+}
+
+sub in_filter_route
+{
+ my $self = shift;
+ my $r = shift;
+ my ($filter, $hops) = (1, 1);
+
+ if ($self->{inroutefilter}) {
+ ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
+ dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
+ }
+ return $filter;
+}
+
+sub eph_dup
+{
+ my $s = shift;
+
+ # chop the end off
+ $s =~ s/\^H\d\d?\^?~?$//;
+ return 1 if exists $eph{$s};
+ $eph{$s} = $main::systime;
+ return undef;
+}
+
+sub eph_clean
+{
+ my ($key, $val);
+
+ while (($key, $val) = each %eph) {
+ if ($main::systime - $val > 90) {
+ delete $eph{$key};
+ }
+ }