+ my ($self, $line) = @_;
+ my @field = split /\^/, $line;
+ pop @field if $field[-1] eq '~';
+
+# print join(',', @field), "\n";
+
+ # ignore any lines that don't start with PC
+ return if !$field[0] =~ /^PC/;
+
+ # process PC frames
+ my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
+ return unless $pcno;
+ return if $pcno < 10 || $pcno > 51;
+
+ # local processing 1
+ my $pcr;
+ eval {
+ $pcr = Local::pcprot($self, $pcno, @field);
+ };
+# dbg('local', "Local::pcprot error $@") if $@;
+ return if $pcr;
+
+ SWITCH: {
+ if ($pcno == 10) { # incoming talk
+
+ # is it for me or one of mine?
+ my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
+ if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
+
+ # yes, it is
+ my $text = unpad($field[3]);
+ Log('talk', $call, $field[1], $field[6], $text);
+ $call = $main::myalias if $call eq $main::mycall;
+ my $ref = DXChannel->get($call);
+ $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
+ } else {
+ route($field[2], $line); # relay it on its way
+ }
+ return;
+ }
+
+ if ($pcno == 11 || $pcno == 26) { # dx spot
+
+ # if this is a 'nodx' node then ignore it
+ last SWITCH if grep $field[7] =~ /^$_/, @DXProt::nodx_node;
+
+ # 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 > $main::systime + 900))) {
+ dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
+ return;
+ }
+
+ # strip off the leading & trailing spaces from the comment
+ my $text = unpad($field[5]);
+
+ # store it away
+ my $spotter = $field[6];
+ $spotter =~ s/-\d+$//o; # strip off the ssid from the spotter
+
+ # do some de-duping
+ my $freq = $field[1] - 0;
+ my $dupkey = "$freq$field[2]$d$text$spotter";
+ if ($spotdup{$dupkey}) {
+ dbg('chan', "Duplicate Spot ignored\n");
+ return;
+ }
+
+ $spotdup{$dupkey} = $d;
+
+ # is it 'baddx'
+ if (grep $field[2] eq $_, @baddx) {
+ dbg('chan', "Bad DX spot, ignored");
+ return;
+ }
+
+ my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
+
+ #
+ # @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
+ #
+
+ # local processing
+ my $r;
+ eval {
+ $r = Local::spot($self, @spot);
+ };
+# dbg('local', "Local::spot1 error $@") 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
+ # announce duplicate checking
+ my $text = uc unpad($field[3]);
+ my $dupkey = $field[1].$field[2].$text.$field[4].$field[6];
+ if ($anndup{$dupkey}) {
+ dbg('chan', "Duplicate Announce ignored\n");
+ return;
+ }
+ $anndup{$dupkey} = $main::systime;
+
+ # global ann filtering
+ my ($filter, $hops) = Filter::it($self->{annfilter}, @field[1..6], $self->{call} ) if $self->{annfilter};
+ if ($self->{annfilter} && !$filter) {
+ dbg('chan', "Rejected by filter");
+ return;
+ }
+
+ if ($field[2] eq '*' || $field[2] eq $main::mycall) {
+
+ # strip leading and trailing stuff
+ my $text = unpad($field[3]);
+ my $target;
+ my $to = 'To ';
+ my @list;
+
+ if ($field[4] eq '*') { # sysops
+ $target = "SYSOP";
+ @list = map { $_->priv >= 5 ? $_ : () } get_all_users();
+ } elsif ($field[4] gt ' ') { # speciality list handling
+ my ($name) = split /\./, $field[4];
+ $target = "$name"; # put the rest in later (if bothered)
+ }
+
+ if ($field[6] eq '1') {
+ $target = "WX";
+ $to = '';
+ }
+ $target = "All" if !$target;
+
+ if (@list > 0) {
+ broadcast_list("$to$target de $field[1]: $text", 'ann', undef, @list);
+ } else {
+ broadcast_users("$target de $field[1]: $text", 'ann', undef);
+ }
+ Log('ann', $target, $field[1], $text);
+
+ return if $field[2] eq $main::mycall; # it's routed to me
+ } else {
+ route($field[2], $line);
+ return; # only on a routed one
+ }
+
+ last SWITCH;
+ }
+
+ if ($pcno == 13) {
+ last SWITCH;
+ }
+ if ($pcno == 14) {
+ last SWITCH;
+ }
+ if ($pcno == 15) {
+ last SWITCH;
+ }
+
+ if ($pcno == 16) { # add a user
+ my $node = DXCluster->get_exact($field[1]);
+ last SWITCH if !$node; # ignore if havn't seen a PC19 for this one yet
+ last SWITCH unless $node->isa('DXNode');
+ my $i;
+
+
+ for ($i = 2; $i < $#field; $i++) {
+ my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
+ next if !$call || length $call < 3 || length $call > 8;
+ next if !$confmode;
+ $call = uc $call;
+ next if DXCluster->get_exact($call); # we already have this (loop?)
+
+ $confmode = $confmode eq '*';
+ DXNodeuser->new($self, $node, $call, $confmode, $here);
+
+ # 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;
+ $user->homenode($node->call) if !$user->homenode;
+ $user->node($node->call);
+ $user->lastin($main::systime);
+ $user->put;
+ }
+
+ # queue up any messages (look for privates only)
+ DXMsg::queue_msg(1) if $self->state eq 'normal';
+ last SWITCH;
+ }
+
+ if ($pcno == 17) { # remove a user
+
+ my $ref = DXCluster->get_exact($field[1]);
+ $ref->del() if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 18) { # link request
+ $self->send_local_config();
+ $self->send(pc20());
+ $self->state('init');
+ return; # we don't pass these on
+ }
+
+ if ($pcno == 19) { # incoming cluster list
+ my $i;
+ for ($i = 1; $i < $#field-1; $i += 4) {
+ my $here = $field[$i];
+ my $call = uc $field[$i+1];
+ my $confmode = $field[$i+2] eq '*';
+ my $ver = $field[$i+3];
+
+ # now check the call over
+ next if DXCluster->get_exact($call); # we already have this
+
+ # check for sane parameters
+ next if $ver < 5000; # only works with version 5 software
+ next if length $call < 3; # min 3 letter callsigns
+ DXNode->new($self, $call, $confmode, $here, $ver);
+
+ # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
+ my $mref = DXMsg::get_busy($call);
+ $mref->stop_msg($self) 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
+ $self->{priv} = 1; # to user RCMDs allowed
+ $user->homenode($call);
+ $user->node($call);
+ }
+ $user->lastin($main::systime);
+ $user->put;
+ }
+
+ # queue up any messages
+ DXMsg::queue_msg(0) if $self->state eq 'normal';
+ last SWITCH;
+ }
+
+ if ($pcno == 20) { # send local configuration
+ $self->send_local_config();
+ $self->send(pc22());
+ $self->state('normal');
+
+ # queue mail
+ DXMsg::queue_msg(0);