+ my ($self, $line) = @_;
+ my @field = split /[\^\~]/, $line;
+
+ # ignore any lines that don't start with PC
+ return if !$field[0] =~ /^PC/;
+
+ # process PC frames
+ my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
+ return if $pcno < 10 || $pcno > 51;
+
+ SWITCH: {
+ if ($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 $ref;
+ } else {
+ route($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], $field[4]);
+ return if !$d || ($pcno == 11 && $d < $main::systime - $pc11_max_age); # bang out (and don't pass on) if date is invalid or the spot is too old
+
+ # 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 $dupkey = "$field[1]$field[2]$d$text$field[6]";
+ return if $dup{$dupkey};
+ $dup{$dupkey} = $d;
+
+ my $spot = Spot::add($field[1], $field[2], $d, $text, $spotter);
+
+ # send orf to the users
+ if ($spot && $pcno == 11) {
+ my $buf = Spot::formatb($field[1], $field[2], $d, $text, $spotter);
+ broadcast_users("$buf\a\a");
+ }
+
+ last SWITCH;
+ }
+
+ if ($pcno == 12) { # announces
+
+ if ($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 = "Sysops";
+ @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]: $text", @list);
+ } else {
+ broadcast_users("$target de $field[1]: $text");
+ }
+ 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
+ my $i;
+
+
+ for ($i = 2; $i < $#field; $i++) {
+ my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (-) (\d)/o;
+ next if length $call < 3;
+ next if !$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());
+ $self->state('init');
+ last SWITCH;
+ }
+
+ if ($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');
+ $user->homenode($call);
+ $user->node($call);
+ }
+ $user->lastin($main::systime);
+ $user->put;
+ }
+
+ # queue up any messages
+ DXMsg::queue_msg() if $self->state eq 'normal';
+ last SWITCH;
+ }
+
+ if ($pcno == 20) { # send local configuration
+ $self->send_local_config();
+ $self->send(pc22());
+ $self->state('normal');
+
+ # queue mail
+ DXMsg::queue_msg();
+ return;
+ }
+
+ if ($pcno == 21) { # delete a cluster from the list
+ my $call = uc $field[1];
+ if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
+ my $ref = DXCluster->get_exact($call);
+ $ref->del() if $ref;
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 22) {
+ $self->state('normal');
+
+ # queue mail
+ DXMsg::queue_msg();
+ return;
+ }
+
+ if ($pcno == 23 || $pcno == 27) { # WWV info
+ Geomag::update(@field[1..$#field]);
+ last SWITCH;
+ }
+
+ if ($pcno == 24) { # set here status
+ my $call = uc $field[1];
+ my $ref = DXCluster->get_exact($call);
+ $ref->here($field[2]) if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 25) {
+ last SWITCH;
+ }
+
+ if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42) { # mail/file handling
+ DXMsg::process($self, $line);
+ return;
+ }
+
+ if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
+ if ($field[1] eq $main::mycall) {
+ my $ref = DXUser->get_current($field[2]);
+ Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
+ if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
+ $self->{remotecmd} = 1; # for the benefit of any command that needs to know
+ my @in = (DXCommandmode::run_cmd($self, $field[3]));
+ for (@in) {
+ s/\s*$//og;
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
+ Log('rcmd', 'out', $field[2], $_);
+ }
+ delete $self->{remotecmd};
+ }
+ } else {
+ route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 35) { # remote command replies
+ if ($field[1] eq $main::mycall) {
+ my $s = $rcmds{$field[2]};
+ if ($s) {
+ my $dxchan = DXChannel->get($s->{call});
+ $dxchan->send($field[3]) if $dxchan;
+ delete $rcmds{$field[2]} if !$dxchan;
+ }
+ } else {
+ route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 37) {
+ last SWITCH;
+ }
+
+ if ($pcno == 38) { # node connected list from neighbour
+ return;
+ }
+
+ if ($pcno == 39) { # incoming disconnect
+ $self->disconnect();
+ return;
+ }
+
+ if ($pcno == 41) { # user info
+ # add this station to the user database, if required
+ my $user = DXUser->get_current($field[1]);
+ if (!$user) {
+ # then try without an SSID
+ $field[1] =~ s/-\d+$//o;
+ $user = DXUser->get_current($field[1]);
+ }
+ $user = DXUser->new($field[1]) if !$user;
+
+ if ($field[2] == 1) {
+ $user->name($field[3]);
+ } elsif ($field[2] == 2) {
+ $user->qth($field[3]);
+ } elsif ($field[2] == 3) {
+ my ($lat, $long) = DXBearing::stoll($field[3]);
+ $user->lat($lat);
+ $user->long($long);
+ } elsif ($field[2] == 4) {
+ $user->homenode($field[3]);
+ }
+ $user->put;
+ last SWITCH;
+ }
+ if ($pcno == 43) {
+ last SWITCH;
+ }
+ if ($pcno == 44) {
+ last SWITCH;
+ }
+ if ($pcno == 45) {
+ last SWITCH;
+ }
+ if ($pcno == 46) {
+ last SWITCH;
+ }
+ if ($pcno == 47) {
+ last SWITCH;
+ }
+ if ($pcno == 48) {
+ last SWITCH;
+ }
+ if ($pcno == 49) {
+ last SWITCH;
+ }
+
+ if ($pcno == 50) { # keep alive/user list
+ my $ref = DXCluster->get_exact($field[1]);
+ $ref->update_users($field[2]) if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 51) { # incoming ping requests/answers
+
+ # is it for us?
+ if ($field[1] eq $main::mycall) {
+ my $flag = $field[3];
+ if ($flag == 1) {
+ $self->send(pc51($field[2], $field[1], '0'));
+ } else {
+ # it's a reply, look in the ping list for this one
+ my $ref = $pings{$field[2]};
+ if ($ref) {
+ my $r = shift @$ref;
+ my $dxchan = DXChannel->get($r->{call});
+ $dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
+ }
+ }
+
+ } else {
+ # route down an appropriate thingy
+ route($field[1], $line);
+ }
+ return;
+ }