+ my ($self, $line) = @_;
+ my @field = split /\^/, $line;
+ return unless @field;
+
+ pop @field if $field[-1] eq '~';
+
+# print join(',', @field), "\n";
+
+
+ # process PC frames, this will fail unless the frame starts PCnn
+ my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
+ return unless $pcno;
+ return if $pcno < 10 || $pcno > 99;
+
+ # check for and dump bad protocol messages
+ my $n = check($pcno, @field);
+ if ($n) {
+ dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
+ return;
+ }
+
+ # local processing 1
+ my $pcr;
+ eval {
+ $pcr = Local::pcprot($self, $pcno, @field);
+ };
+# dbg("Local::pcprot error $@") if isdbg('local') if $@;
+ return if $pcr;
+
+ SWITCH: {
+ if ($pcno == 10) { # incoming talk
+
+ # rsfp check
+ return if $rspfcheck and !$self->rspfcheck(0, $field[6], $field[1]);
+
+ # will we allow it at all?
+ if ($censorpc) {
+ my @bad;
+ if (@bad = BadWords::check($field[3])) {
+ dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ # is it for me or one of mine?
+ my ($from, $to, $via, $call, $dxchan);
+ $from = $field[1];
+ if ($field[5] gt ' ') {
+ $via = $field[2];
+ $to = $field[5];
+ } else {
+ $to = $field[2];
+ }
+
+ # if this is a 'nodx' node then ignore it
+ if ($badnode->in($field[6]) || ($via && $badnode->in($via))) {
+ dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # if this is a 'bad spotter' user then ignore it
+ my $nossid = $from;
+ $nossid =~ s/-\d+$//;
+ if ($badspotter->in($nossid)) {
+ dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # if we are converting announces to talk is it a dup?
+ if ($ann_to_talk) {
+ if (AnnTalk::is_talk_candidate($from, $field[3]) && AnnTalk::dup($from, $to, $field[3])) {
+ dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ # it is here and logged on
+ $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
+ $dxchan = DXChannel->get($to) unless $dxchan;
+ if ($dxchan && $dxchan->is_user) {
+ $field[3] =~ s/\%5E/^/g;
+ $dxchan->talk($from, $to, $via, $field[3]);
+ return;
+ }
+
+ # is it elsewhere, visible on the cluster via the to address?
+ # note: this discards the via unless the to address is on
+ # the via address
+ my ($ref, $vref);
+ if ($ref = Route::get($to)) {
+ $vref = Route::Node::get($via) if $via;
+ $vref = undef unless $vref && grep $to eq $_, $vref->users;
+ $ref->dxchan->talk($from, $to, $vref ? $via : undef, $field[3], $field[6]);
+ return;
+ }
+
+ # not visible here, send a message of condolence
+ $vref = undef;
+ $ref = Route::get($from);
+ $vref = $ref = Route::Node::get($field[6]) unless $ref;
+ if ($ref) {
+ $dxchan = $ref->dxchan;
+ $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
+ }
+ return;
+ }
+
+ if ($pcno == 11 || $pcno == 26) { # dx spot
+
+ # route 'foreign' pc26s
+ if ($pcno == 26) {
+ if ($field[7] ne $main::mycall) {
+ $self->route($field[7], $line);
+ return;
+ }
+ }
+
+ # rsfp check
+# return if $rspfcheck and !$self->rspfcheck(1, $field[7], $field[6]);
+
+ # if this is a 'nodx' node then ignore it
+ if ($badnode->in($field[7])) {
+ dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # if this is a 'bad spotter' user then ignore it
+ my $nossid = $field[6];
+ $nossid =~ s/-\d+$//;
+ if ($badspotter->in($nossid)) {
+ dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # convert the date to a unix date
+ my $d = cltounix($field[3], $field[4]);
+ # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
+ if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
+ dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
+ return;
+ }
+
+ # is it 'baddx'
+ if ($baddx->in($field[2]) || BadWords::check($field[2]) || $field[2] =~ /COCK/) {
+ dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
+ return;
+ }
+
+ # do some de-duping
+ $field[5] =~ s/^\s+//; # take any leading blanks off
+ $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
+ if ($field[2] =~ /BUST\w*$/) {
+ dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
+ return;
+ }
+ if ($censorpc) {
+ my @bad;
+ if (@bad = BadWords::check($field[5])) {
+ dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+
+
+ my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
+ # global spot filtering on INPUT
+ if ($self->{inspotsfilter}) {
+ my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ # this goes after the input filtering, but before the add
+ # so that if it is input filtered, it isn't added to the dup
+ # list. This allows it to come in from a "legitimate" source
+ if (Spot::dup($field[1], $field[2], $d, $field[5])) {
+ dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
+ return;
+ }
+
+ # add it
+ Spot::add(@spot);
+
+ #
+ # @spot at this point contains:-
+ # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
+ # then spotted itu, spotted cq, spotters itu, spotters cq
+ # you should be able to route on any of these
+ #
+
+ # fix up qra locators of known users
+ my $user = DXUser->get_current($spot[4]);
+ if ($user) {
+ my $qra = $user->qra;
+ unless ($qra && is_qra($qra)) {
+ my $lat = $user->lat;
+ my $long = $user->long;
+ if (defined $lat && defined $long) {
+ $user->qra(DXBearing::lltoqra($lat, $long));
+ $user->put;
+ }
+ }
+
+ # send a remote command to a distant cluster if it is visible and there is no
+ # qra locator and we havn't done it for a month.
+
+ unless ($user->qra) {
+ my $node;
+ my $to = $user->homenode;
+ my $last = $user->lastoper || 0;
+ if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
+ my $cmd = "forward/opernam $spot[4]";
+ # send the rcmd but we aren't interested in the replies...
+ my $dxchan = $node->dxchan;
+ if ($dxchan && $dxchan->is_clx) {
+ route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
+ } else {
+ route(undef, $to, pc34($main::mycall, $to, $cmd));
+ }
+ if ($to ne $field[7]) {
+ $to = $field[7];
+ $node = Route::Node::get($to);
+ if ($node) {
+ $dxchan = $node->dxchan;
+ if ($dxchan && $dxchan->is_clx) {
+ route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
+ } else {
+ route(undef, $to, pc34($main::mycall, $to, $cmd));
+ }
+ }
+ }
+ $user->lastoper($main::systime);
+ $user->put;
+ }
+ }
+ }
+
+ # local processing
+ my $r;
+ eval {
+ $r = Local::spot($self, @spot);
+ };
+# dbg("Local::spot1 error $@") if isdbg('local') if $@;
+ return if $r;
+
+ # DON'T be silly and send on PC26s!
+ return if $pcno == 26;
+
+ # send out the filtered spots
+ send_dx_spot($self, $line, @spot) if @spot;
+ return;
+ }
+
+ if ($pcno == 12) { # announces
+
+# return if $rspfcheck and !$self->rspfcheck(1, $field[5], $field[1]);
+
+ # announce duplicate checking
+ $field[3] =~ s/^\s+//; # remove leading blanks
+
+ if ($censorpc) {
+ my @bad;
+ if (@bad = BadWords::check($field[3])) {
+ dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ # if this is a 'nodx' node then ignore it
+ if ($badnode->in($field[5])) {
+ dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # if this is a 'bad spotter' user then ignore it
+ my $nossid = $field[1];
+ $nossid =~ s/-\d+$//;
+ if ($badspotter->in($nossid)) {
+ dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ if ($field[2] eq '*' || $field[2] eq $main::mycall) {
+
+
+ # here's a bit of fun, convert incoming ann with a callsign in the first word
+ # or one saying 'to <call>' to a talk if we can route to the recipient
+ if ($ann_to_talk) {
+ my $call = AnnTalk::is_talk_candidate($field[1], $field[3]);
+ if ($call) {
+ my $ref = Route::get($call);
+ if ($ref) {
+ my $dxchan = $ref->dxchan;
+ $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
+ return;
+ }
+ }
+ }
+
+ # send it
+ $self->send_announce($line, @field[1..6]);
+ } else {
+ $self->route($field[2], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 13) {
+ last SWITCH;
+ }
+ if ($pcno == 14) {
+ last SWITCH;
+ }
+ if ($pcno == 15) {
+ last SWITCH;
+ }
+
+ if ($pcno == 16) { # add a user
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
+ return;
+ }
+
+ # general checks
+ my $dxchan;
+ my $ncall = $field[1];
+ my $newline = "PC16^";
+
+ if ($ncall eq $main::mycall) {
+ dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
+ return;
+ }
+ my $parent = Route::Node::get($ncall);
+ unless ($parent) {
+ dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
+ return;
+ }
+ $dxchan = $parent->dxchan;
+ if ($dxchan && $dxchan ne $self) {
+ dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
+ return;
+ }
+
+ # input filter if required
+ return unless $self->in_filter_route($parent);
+
+ my $i;
+ my @rout;
+ for ($i = 2; $i < $#field; $i++) {
+ my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
+ next unless $call && $conf && defined $here && is_callsign($call);
+ next if $call eq $main::mycall;
+
+ eph_del_regex("^PC17\\^$call\\^$ncall");
+
+ $conf = $conf eq '*';
+
+ # reject this if we think it is a node already
+ my $r = Route::Node::get($call);
+ my $u = DXUser->get_current($call) unless $r;
+ if ($r || ($u && $u->is_node)) {
+ dbg("PCPROT: $call is a node") if isdbg('chanerr');
+ next;
+ }
+
+ $r = Route::User::get($call);
+ my $flags = Route::here($here)|Route::conf($conf);
+
+ if ($r) {
+ if ($r->flags != $flags) {
+ $r->flags($flags);
+ push @rout, $r;
+ }
+ $r->addparent($parent);
+ } else {
+ push @rout, $parent->add_user($call, $flags);
+ }
+
+ # add this station to the user database, if required
+ $call =~ s/-\d+$//o; # remove ssid for users
+ my $user = DXUser->get_current($call);
+ $user = DXUser->new($call) if !$user;
+ $user->homenode($parent->call) if !$user->homenode;
+ $user->node($parent->call);
+ $user->lastin($main::systime) unless DXChannel->get($call);
+ $user->put;
+ }
+
+ # queue up any messages (look for privates only)
+ DXMsg::queue_msg(1) if $self->state eq 'normal';
+
+ $self->route_pc16($parent, @rout) if @rout;
+ return;
+ }
+
+ if ($pcno == 17) { # remove a user
+ my $dxchan;
+ my $ncall = $field[2];
+ my $ucall = $field[1];
+
+ eph_del_regex("^PC16\\^$ncall.*$ucall");
+
+ if ($ncall eq $main::mycall) {
+ dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
+ return;
+ }
+
+ my $uref = Route::User::get($ucall);
+ unless ($uref) {
+ dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
+ return;
+ }
+ my $parent = Route::Node::get($ncall);
+ unless ($parent) {
+ dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
+ return;
+ }
+
+ $dxchan = $parent->dxchan;
+ if ($dxchan && $dxchan ne $self) {
+ dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
+ return;
+ }
+
+ # input filter if required
+ return unless $self->in_filter_route($parent);
+
+ $parent->del_user($uref);
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
+ return;
+ }
+
+ $self->route_pc17($parent, $uref);
+ return;
+ }
+
+ if ($pcno == 18) { # link request
+ $self->state('init');
+
+ # first clear out any nodes on this dxchannel
+ my $parent = Route::Node::get($self->{call});
+ my @rout = $parent->del_nodes;
+ $self->route_pc21(@rout, $parent) if @rout;
+ $self->send_local_config();
+ $self->send(pc20());
+ return; # we don't pass these on
+ }
+
+ if ($pcno == 19) { # incoming cluster list
+ my $i;
+ my $newline = "PC19^";
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
+ return;
+ }
+
+ # new routing list
+ my @rout;
+ my $parent = Route::Node::get($self->{call});
+ unless ($parent) {
+ dbg("DXPROT: my parent $self->{call} has disappeared");
+ $self->disconnect;
+ return;
+ }
+
+ # parse the PC19
+ for ($i = 1; $i < $#field-1; $i += 4) {
+ my $here = $field[$i];
+ my $call = uc $field[$i+1];
+ my $conf = $field[$i+2];
+ my $ver = $field[$i+3];
+ next unless defined $here && defined $conf && is_callsign($call);
+
+ eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
+
+ # check for sane parameters
+# $ver = 5000 if $ver eq '0000';
+ next if $ver < 5000; # only works with version 5 software
+ next if length $call < 3; # min 3 letter callsigns
+ next if $call eq $main::mycall;
+
+ # check that this PC19 isn't trying to alter the wrong dxchan
+ my $dxchan = DXChannel->get($call);
+ if ($dxchan && $dxchan != $self) {
+ dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
+ next;
+ }
+
+ # update it if required
+ my $r = Route::Node::get($call);
+ my $flags = Route::here($here)|Route::conf($conf);
+ if ($r) {
+ my $ar;
+ if ($call ne $parent->call) {
+ if ($self->in_filter_route($r)) {
+ $ar = $parent->add($call, $ver, $flags);
+ push @rout, $ar if $ar;
+ } else {
+ next;
+ }
+ }
+ if ($r->version ne $ver || $r->flags != $flags) {
+ $r->version($ver);
+ $r->flags($flags);
+ push @rout, $r unless $ar;
+ }
+ } else {
+ if ($call eq $self->{call}) {
+ dbg("DXPROT: my channel route for $call has disappeared");
+ next;
+ };
+
+ my $new = Route->new($call); # throw away
+ if ($self->in_filter_route($new)) {
+ my $r = $parent->add($call, $ver, $flags);
+ push @rout, $r;
+ } else {
+ next;
+ }
+ }
+
+ # 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
+ }
+ }