- # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
- my $mref = DXMsg::get_busy($call);
- $mref->stop_msg($call) if $mref;
-
- # add this station to the user database, if required (don't remove SSID from nodes)
- my $user = DXUser->get_current($call);
- if (!$user) {
- $user = DXUser->new($call);
- $user->sort('A');
- $user->priv(1); # I have relented and defaulted nodes
- $user->lockout(1);
- $user->homenode($call);
- $user->node($call);
- }
- $user->lastin($main::systime) unless DXChannel->get($call);
- $user->put;
- }
-
-
- $self->route_pc19(@rout) if @rout;
- return;
- }
-
- if ($pcno == 20) { # send local configuration
- $self->send_local_config();
- $self->send(pc22());
- $self->state('normal');
- $self->{lastping} = 0;
- return;
- }
-
- if ($pcno == 21) { # delete a cluster from the list
- my $call = uc $field[1];
-
- eph_del_regex("^PC1[79].*$call");
-
- # if I get a PC21 from the same callsign as self then treat it
- # as a PC39: I have gone away
- if ($call eq $self->call) {
- $self->disconnect(1);
- return;
- }
-
- my @rout;
- my $parent = Route::Node::get($self->{call});
- unless ($parent) {
- dbg("DXPROT: my parent $self->{call} has disappeared");
- $self->disconnect;
- return;
- }
- if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
- my $node = Route::Node::get($call);
- if ($node) {
-
- my $dxchan = DXChannel->get($call);
- if ($dxchan && $dxchan != $self) {
- dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
- return;
- }
-
- # input filter it
- return unless $self->in_filter_route($node);
-
- # routing objects
- push @rout, $node->del($parent);
- }
- } else {
- dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
- return;
- }
-
-# if (eph_dup($line)) {
-# dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
-# return;
-# }
-
- $self->route_pc21(@rout) if @rout;
- return;
- }
-
- if ($pcno == 22) {
- $self->state('normal');
- $self->{lastping} = 0;
- return;
- }
-
- if ($pcno == 23 || $pcno == 27) { # WWV info
-
- # route 'foreign' pc27s
- if ($pcno == 27) {
- if ($field[8] ne $main::mycall) {
- $self->route($field[8], $line);
- return;
- }
- }
-
- return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
-
- # do some de-duping
- my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
- my $sfi = unpad($field[3]);
- my $k = unpad($field[4]);
- my $i = unpad($field[5]);
- my ($r) = $field[6] =~ /R=(\d+)/;
- $r = 0 unless $r;
- if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
- dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
- return;
- }
- if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
- dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
- return;
- }
- $field[7] =~ s/-\d+$//o; # remove spotter's ssid
-
- my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
-
- my $rep;
- eval {
- $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
- };
-# dbg("Local::wwv2 error $@") if isdbg('local') if $@;
- return if $rep;
-
- # DON'T be silly and send on PC27s!
- return if $pcno == 27;
-
- # broadcast to the eager world
- send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
- return;
- }
-
- if ($pcno == 24) { # set here status
- my $call = uc $field[1];
- my ($nref, $uref);
- $nref = Route::Node::get($call);
- $uref = Route::User::get($call);
- return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
-
- unless (eph_dup($line)) {
- $nref->here($field[2]) if $nref;
- $uref->here($field[2]) if $uref;
- my $ref = $nref || $uref;
- return unless $self->in_filter_route($ref);
- $self->route_pc24($ref, $field[3]);
- }
- return;
- }
-
- if ($pcno == 25) { # merge request
- if ($field[1] ne $main::mycall) {
- $self->route($field[1], $line);
- return;
- }
- if ($field[2] eq $main::mycall) {
- dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
- return;
- }
-
- Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
-
- # spots
- if ($field[3] > 0) {
- my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
- my $in;
- foreach $in (@in) {
- $self->send(pc26(@{$in}[0..4], $field[2]));
- }
- }
-
- # wwv
- if ($field[4] > 0) {
- my @in = reverse Geomag::search(0, $field[4], time, 1);
- my $in;
- foreach $in (@in) {
- $self->send(pc27(@{$in}[0..5], $field[2]));
- }
- }
- return;
- }
-
- if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
- return if $pcno == 49 && eph_dup($line);
- if ($pcno == 49 || $field[1] eq $main::mycall) {
- DXMsg::process($self, $line);
- } else {
- $self->route($field[1], $line) unless $self->is_clx;
- }
- return;
- }
-
- if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
- if (eph_dup($line, $eph_pc34_restime)) {
- dbg("PCPROT: dupe") if isdbg('chanerr');
- } else {
- $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
- }
- return;
- }
-
- if ($pcno == 35) { # remote command replies
- eph_del_regex("^PC35\\^$field[2]\\^$field[1]\\^");
- $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
- return;
- }
-
- # for pc 37 see 44 onwards
-
- if ($pcno == 38) { # node connected list from neighbour
- return;
- }
-
- if ($pcno == 39) { # incoming disconnect
- if ($field[1] eq $self->{call}) {
- $self->disconnect(1);
- } else {
- dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
- }
- return;
- }
-
- if ($pcno == 41) { # user info
- my $call = $field[1];
-
- if (eph_dup($line, $eph_info_restime)) {
- dbg("PCPROT: dupe") if isdbg('chanerr');
- return;
- }
-
- # input filter if required
-# my $ref = Route::get($call) || Route->new($call);
-# return unless $self->in_filter_route($ref);
-
- if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
- 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) if !$user;
-
- if ($field[2] == 1) {
- $user->name($field[3]);
- } elsif ($field[2] == 2) {
- $user->qth($field[3]);
- } elsif ($field[2] == 3) {
- if (is_latlong($field[3])) {
- my ($lat, $long) = DXBearing::stoll($field[3]);
- $user->lat($lat);
- $user->long($long);
- $user->qra(DXBearing::lltoqra($lat, $long));
- } else {
- dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
- return;
- }
- } elsif ($field[2] == 4) {
- $user->homenode($field[3]);
- } elsif ($field[2] == 5) {
- if (is_qra(uc $field[3])) {
- my ($lat, $long) = DXBearing::qratoll(uc $field[3]);
- $user->lat($lat);
- $user->long($long);
- $user->qra(uc $field[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, $field[2], $field[3], $field[4]);
- return;
- }
-
- if ($pcno == 43) {
- last SWITCH;
- }
-
- if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
- DXDb::process($self, $line);
- return;
- }
-
- if ($pcno == 50) { # keep alive/user list
- my $call = $field[1];
- my $node = Route::Node::get($call);
- if ($node) {
- return unless $node->call eq $self->{call};
- $node->usercount($field[2]);
-
- # input filter if required
- return unless $self->in_filter_route($node);
-
- $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
- }
- return;
- }
-
- if ($pcno == 51) { # incoming ping requests/answers
- my $to = $field[1];
- my $from = $field[2];
- my $flag = $field[3];
-
-
- # is it for us?
- if ($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 = $tochan->user->nopings || 2;
- push @{$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);
- }
-# my $st;
-# for (@{$tochan->{pingtime}}) {
-# $st += $_;
-# }
-# $tochan->{pingave} = $st / @{$tochan->{pingtime}};
- $tochan->{nopings} = $nopings; # pump up the timer
- }
- }
- }
- }
- }
- } else {
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
- return;
- }
- # route down an appropriate thingy
- $self->route($to, $line);
- }
- return;
- }
-
- if ($pcno == 75) { # dunno but route it
- my $call = $field[1];
- if ($call ne $main::mycall) {
- $self->route($call, $line);
- }
- return;
- }
-
- if ($pcno == 73) { # WCY broadcasts
- my $call = $field[1];
-
- # do some de-duping
- my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
- if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
- dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
- return;
- }
- @field = map { unpad($_) } @field;
- if (WCY::dup($d)) {
- dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
- return;
- }
-
- my $wcy = WCY::update($d, @field[2..12]);
-
- my $rep;
- eval {
- $rep = Local::wcy($self, @field[1..12]);
- };
- # dbg("Local::wcy error $@") if isdbg('local') if $@;
- return if $rep;
-
- # broadcast to the eager world
- send_wcy_spot($self, $line, $d, @field[2..12]);
- return;
- }
-
- if ($pcno == 84) { # remote commands (incoming)
- $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
- return;
- }
-
- if ($pcno == 85) { # remote command replies
- $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
-
- return;
- }
- if ($pcno == 90) { # new style PC16,17,19,21
- return;
- }
- }
-
- # 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!!!!
- #
-
- if (eph_dup($line)) {
- dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
- } else {
- unless ($self->{isolate}) {
- DXChannel::broadcast_nodes($line, $self); # 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 == $main::me;
-
- # send the pc50 or PC90
- if ($pc50s && $dxchan->is_spider) {
-# $dxchan->send_route(\&pc90, 1, $main::me, 'T', @dxchan);
- } else {
- $dxchan->send($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} = $t;
- }
- }
- }
-
- # every ten seconds
- if ($t - $last10 >= 10) {
- # clean out ephemera
-
- eph_clean();
-
- $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;
- }
-}