+# remote command replies
+sub handle_35
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
+ $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
+}
+
+sub handle_36 {goto &handle_34}
+
+# database stuff
+sub handle_37
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ if ($_[1] eq $main::mycall) {
+ no strict 'refs';
+ my $sub = "DXDb::handle_$pcno";
+ &$sub($self, @_);
+ } else {
+ $self->route($_[1], $line) unless $self->is_clx;
+ }
+}
+
+# node connected list from neighbour
+sub handle_38
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+}
+
+# incoming disconnect
+sub handle_39
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ if ($_[1] eq $self->{call}) {
+ $self->disconnect(1);
+ } else {
+ dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
+ }
+}
+
+sub handle_40 {goto &handle_28}
+
+# user info
+sub handle_41
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ my $call = $_[1];
+
+ my $l = $line;
+ $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
+ if (eph_dup($l, $eph_info_restime)) {
+ dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
+ return;
+ }
+
+ # input filter if required
+ # my $ref = Route::get($call) || Route->new($call);
+ # return unless $self->in_filter_route($ref);
+
+ if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
+ dbg('PCPROT: invalid value') if isdbg('chanerr');
+ return;
+ }
+
+ # add this station to the user database, if required
+ my $user = DXUser->get_current($call);
+ $user = DXUser->new($call) unless $user;
+
+ if ($_[2] == 1) {
+ $user->name($_[3]);
+ } elsif ($_[2] == 2) {
+ $user->qth($_[3]);
+ } elsif ($_[2] == 3) {
+ if (is_latlong($_[3])) {
+ my ($lat, $long) = DXBearing::stoll($_[3]);
+ $user->lat($lat);
+ $user->long($long);
+ $user->qra(DXBearing::lltoqra($lat, $long));
+ } else {
+ dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
+ return;
+ }
+ } elsif ($_[2] == 4) {
+ $user->homenode($_[3]);
+ } elsif ($_[2] == 5) {
+ if (is_qra(uc $_[3])) {
+ my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
+ $user->lat($lat);
+ $user->long($long);
+ $user->qra(uc $_[3]);
+ } else {
+ dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
+ return;
+ }
+ }
+ $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
+ $user->put;
+
+ unless ($self->{isolate}) {
+ DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
+ }
+
+ # perhaps this IS what we want after all
+ # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
+}
+
+sub handle_42 {goto &handle_28}
+
+
+# database
+sub handle_44 {goto &handle_37}
+sub handle_45 {goto &handle_37}
+sub handle_46 {goto &handle_37}
+sub handle_47 {goto &handle_37}
+sub handle_48 {goto &handle_37}
+
+# message and database
+sub handle_49
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
+ return;
+ }
+
+ if ($_[1] eq $main::mycall) {
+ DXMsg::handle_49($self, @_);
+ } else {
+ $self->route($_[1], $line) unless $self->is_clx;
+ }
+}
+
+# keep alive/user list
+sub handle_50
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+
+ my $call = $_[1];
+
+ RouteDB::update($call, $self->{call});
+
+ my $node = Route::Node::get($call);
+ if ($node) {
+ return unless $node->call eq $self->{call};
+ $node->usercount($_[2]);
+
+ # input filter if required
+ return unless $self->in_filter_route($node);
+
+ $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
+ }
+}
+
+# incoming ping requests/answers
+sub handle_51
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ my $to = $_[1];
+ my $from = $_[2];
+ my $flag = $_[3];
+
+
+ # is it for us?
+ if ($to eq $main::mycall) {
+ if ($flag == 1) {
+ $self->send(pc51($from, $to, '0'));
+ } 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, $self->{call})) {
+ $ivp->handle_ping;
+ }
+ } elsif (my $rref = Route::Node::get($r->{call})) {
+ if (my $ivp = Investigate::get($from, $self->{call})) {
+ $ivp->handle_ping;
+ }
+ }
+ }
+ }
+ }
+ }
+ } else {
+
+ RouteDB::update($from, $self->{call});
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
+ return;
+ }
+ # route down an appropriate thingy
+ $self->route($to, $line);
+ }
+}
+
+# dunno but route it
+sub handle_75
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ my $call = $_[1];
+ if ($call ne $main::mycall) {
+ $self->route($call, $line);
+ }
+}
+
+# WCY broadcasts
+sub handle_73
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ my $call = $_[1];
+
+ # do some de-duping
+ my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
+ if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
+ dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
+ return;
+ }
+ @_ = map { unpad($_) } @_;
+ if (WCY::dup($d)) {
+ dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
+ return;
+ }
+
+ my $wcy = WCY::update($d, @_[2..12]);
+
+ my $rep;
+ eval {
+ $rep = Local::wcy($self, @_[1..12]);
+ };
+ # dbg("Local::wcy error $@") if isdbg('local') if $@;
+ return if $rep;
+
+ # broadcast to the eager world
+ send_wcy_spot($self, $line, $d, @_[2..12]);
+}
+
+# remote commands (incoming)
+sub handle_84
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
+}
+
+# remote command replies
+sub handle_85
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+ $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
+}
+
+# if get here then rebroadcast the thing with its Hop count decremented (if
+# there is one). If it has a hop count and it decrements to zero then don't
+# rebroadcast it.
+#
+# NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
+# REBROADCAST!!!!
+#
+
+sub handle_default
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
+ } else {
+ unless ($self->{isolate}) {
+ DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
+ }
+ }
+}
+
+#
+# This is called from inside the main cluster processing loop and is used
+# for despatching commands that are doing some long processing job
+#
+sub process
+{
+ my $t = time;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $pc50s;
+
+ # send out a pc50 on EVERY channel all at once
+ if ($t >= $last_pc50 + $DXProt::pc50_interval) {
+ $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
+ eph_dup($pc50s);
+ $last_pc50 = $t;
+ }
+
+ foreach $dxchan (@dxchan) {
+ next unless $dxchan->is_node();
+ next if $dxchan == $main::me;
+
+ # send the pc50
+ $dxchan->send($pc50s) if $pc50s;
+
+ # send a ping out on this channel
+ if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
+ if ($dxchan->{nopings} <= 0) {
+ $dxchan->disconnect;
+ } else {
+ addping($main::mycall, $dxchan->call);
+ $dxchan->{nopings} -= 1;
+ $dxchan->{lastping} = $t;
+ }
+ }
+ }
+
+ Investigate::process();
+
+ # every ten seconds
+ if ($t - $last10 >= 10) {
+ # clean out ephemera
+
+ eph_clean();
+ import_chat();
+
+
+ $last10 = $t;
+ }
+
+ if ($main::systime - 3600 > $last_hour) {
+ $last_hour = $main::systime;
+ }
+}
+
+#
+# finish up a pc context
+#
+
+#
+# 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;
+ $dxchan->dx_spot($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(@_);
+ 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 $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;
+
+
+ # obtain country codes etc
+ my @a = Prefix::cty_data($_[0]);
+ my @b = Prefix::cty_data($_[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;