@ISA = qw(DXChannel);
-use strict;
-
use DXUtil;
use DXChannel;
use DXUser;
use DXM;
use DXCluster;
+use DXProtVars;
+use DXCommandmode;
+use DXLog;
+use Spot;
+use DXProtout;
+use DXDebug;
+use Filter;
+use Local;
+
+use Carp;
+
+use strict;
+use vars qw($me $pc11_max_age $pc23_max_age $pc11_dup_age $pc23_dup_age
+ %spotdup %wwvdup $last_hour %pings %rcmds
+ %nodehops @baddx $baddxfn $pc12_dup_age
+ %anndup $allowzero $pc12_dup_lth $decode_dk0wcy);
+
+$me = undef; # the channel id for this cluster
+$decode_dk0wcy = undef; # if set use this callsign to decode announces from the EU WWV data beacon
+$pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
+$pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
+$pc11_dup_age = 24*3600; # the maximum time to keep the spot dup list for
+$pc23_dup_age = 24*3600; # the maximum time to keep the wwv dup list for
+$pc12_dup_age = 12*3600; # the maximum time to keep the ann dup list for
+$pc12_dup_lth = 72; # the length of ANN text to save for deduping
+%spotdup = (); # the pc11 and 26 dup hash
+%wwvdup = (); # the pc23 and 27 dup hash
+%anndup = (); # the PC12 dup hash
+$last_hour = time; # last time I did an hourly periodic update
+%pings = (); # outstanding ping requests outbound
+%rcmds = (); # outstanding rcmd requests outbound
+%nodehops = (); # node specific hop control
+@baddx = (); # list of illegal spotted callsigns
+
+$baddxfn = "$main::data/baddx.pl";
+
+sub init
+{
+ my $user = DXUser->get($main::mycall);
+ $DXProt::myprot_version += $main::version*100;
+ $me = DXProt->new($main::mycall, 0, $user);
+ $me->{here} = 1;
+ $me->{state} = "indifferent";
+ do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
+ confess $@ if $@;
+ # $me->{sort} = 'M'; # M for me
+
+ # now prime the spot duplicates file with today's and yesterday's data
+ my @today = Julian::unixtoj(time);
+ my @spots = Spot::readfile(@today);
+ @today = Julian::sub(@today, 1);
+ push @spots, Spot::readfile(@today);
+ for (@spots) {
+ my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
+ $spotdup{$dupkey} = $_->[2];
+ }
+
+ # now prime the wwv duplicates file with just this month's data
+ my @wwv = Geomag::readfile(time);
+ for (@wwv) {
+ my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
+ $wwvdup{$dupkey} = $_->[1];
+ }
+
+ # load the baddx file
+ do "$baddxfn" if -e "$baddxfn";
+ print "$@\n" if $@;
+}
+
+#
+# obtain a new connection this is derived from dxchannel
+#
+
+sub new
+{
+ my $self = DXChannel::alloc(@_);
+ $self->{'sort'} = 'A'; # in absence of how to find out what sort of an object I am
+ return $self;
+}
# this is how a pc connection starts (for an incoming connection)
# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
# all the crap that comes between).
sub start
{
- my $self = shift;
- my $call = $self->call;
-
- # set the channel sort
- $self->sort('A');
+ my ($self, $line, $sort) = @_;
+ my $call = $self->{call};
+ my $user = $self->{user};
+
+ # remember type of connection
+ $self->{consort} = $line;
+ $self->{outbound} = $sort eq 'O';
+ $self->{priv} = $user->priv;
+ $self->{lang} = $user->lang;
+ $self->{isolate} = $user->{isolate};
+ $self->{consort} = $line; # save the connection type
+ $self->{here} = 1;
+
+ # get the INPUT filters (these only pertain to Clusters)
+ $self->{inspotfilter} = Filter::read_in('spots', $call, 1);
+ $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1);
+ $self->{inannfilter} = Filter::read_in('ann', $call, 1);
+
+ # set unbuffered and no echo
+ $self->send_now('B',"0");
+ $self->send_now('E',"0");
+
+ # send initialisation string
+ if (!$self->{outbound}) {
+ $self->send(pc38()) if DXNode->get_all();
+ $self->send(pc18());
+ }
+ $self->state('init');
+ $self->pc50_t(time);
- # set unbuffered
- self->send_now('B',"0");
-
- # do we have him connected on the cluster somewhere else?
- $self->send(pc38());
- $self->send(pc18());
- $self->{state} = 'incoming';
+ Log('DXProt', "$call connected");
}
#
#
sub normal
{
+ 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 || $pcno > 51;
+
+ # dump bad protocol messages unless it is a PC29
+ if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
+ dbg('chan', "CORRUPT protocol message - dumped");
+ return;
+ }
+
+ # 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 || $pcno == 26) { # dx spot
+
+ # route 'foreign' pc26s
+ if ($pcno == 26) {
+ if ($field[7] ne $main::mycall) {
+ route($field[7], $line);
+ return;
+ }
+ }
+
+ # if this is a 'nodx' node then ignore it
+ if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
+ dbg('chan', "Bad DXNode, dropped");
+ 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 > $main::systime + 900))) {
+ dbg('chan', "Spot ignored, invalid date or out of range ($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 $_, @baddx) {
+ dbg('chan', "Bad DX spot, ignored");
+ return;
+ }
+
+ # are any of the crucial fields invalid?
+ if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
+ dbg('chan', "Spot contains lower case callsigns, rejected");
+ return;
+ }
+
+ my @spot = Spot::add($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 $text = substr(uc unpad($field[3]), 0, $pc12_dup_lth);
+ my $dupkey = $field[1].$field[2].$text.$field[4].$field[6];
+ if ($anndup{$dupkey}) {
+ dbg('chan', "Duplicate Announce ignored\n");
+ return;
+ }
+ $anndup{$dupkey} = $main::systime;
+
+ if ($field[2] eq '*' || $field[2] eq $main::mycall) {
+
+ # global ann filtering on INPUT
+ if ($self->{inannfilter}) {
+ my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
+ unless ($filter) {
+ dbg('chan', "Rejected by filter");
+ return;
+ }
+ }
+
+ # send it
+ $self->send_announce($line, @field[1..6]);
+
+ if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
+ my ($hour, $k, $next, $a, $r, $sfi, $alarm) = $field[3] =~ /^Aurora Beacon\s+(\d+)UTC,\s+Kiel\s+K=(\d+),.*ed\s+K=(\d+),\s+A=(\d+),\s+R=(\d+),\s+SFI=(\d+),.*larm:\s+(\w+)/;
+ $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
+ my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r);
+ }
+
+ } else {
+ route($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
+ my $node = DXCluster->get_exact($field[1]);
+ my $dxchan;
+ if (!$node && ($dxchan = DXChannel->get($field[1]))) {
+ # add it to the node table if it isn't present and it's
+ # connected locally
+ $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
+ broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
+
+ }
+ return unless $node; # ignore if havn't seen a PC19 for this one yet
+ return unless $node->isa('DXNode');
+ if ($node->dxchan != $self) {
+ dbg('chan', "LOOP: $field[1] came in on wrong channel");
+ return;
+ }
+ if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
+ dbg('chan', "LOOP: $field[1] connected locally");
+ return;
+ }
+ 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) unless DXChannel->get($call);
+ $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 $node = DXCluster->get_exact($field[2]);
+ my $dxchan;
+ if (!$node && ($dxchan = DXChannel->get($field[2]))) {
+ # add it to the node table if it isn't present and it's
+ # connected locally
+ $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
+ broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
+ return;
+ }
+ return unless $node;
+ return unless $node->isa('DXNode');
+ if ($node->dxchan != $self) {
+ dbg('chan', "LOOP: $field[2] came in on wrong channel");
+ return;
+ }
+ if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
+ dbg('chan', "LOOP: $field[2] connected locally");
+ return;
+ }
+ my $ref = DXCluster->get_exact($field[1]);
+ $ref->del() if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 18) { # link request
+ $self->state('init');
+
+ # first clear out any nodes on this dxchannel
+ my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
+ foreach my $node (@gonenodes) {
+ next if $node->dxchan == $DXProt::me;
+ broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
+ $node->del();
+ }
+ $self->send_local_config();
+ $self->send(pc20());
+ return; # we don't pass these on
+ }
+
+ if ($pcno == 19) { # incoming cluster list
+ my $i;
+ my $newline = "PC19^";
+ for ($i = 1; $i < $#field-1; $i += 4) {
+ my $here = $field[$i];
+ my $call = uc $field[$i+1];
+ my $confmode = $field[$i+2];
+ my $ver = $field[$i+3];
+
+ $ver = 5400 if !$ver && $allowzero;
+
+ # now check the call over
+ my $node = DXCluster->get_exact($call);
+ if ($node) {
+ my $dxchan;
+ if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
+ dbg('chan', "LOOP: $call connected locally");
+ }
+ if ($node->dxchan != $self) {
+ dbg('chan', "LOOP: $call come in on wrong channel");
+ next;
+ }
+ dbg('chan', "already have $call");
+ next;
+ }
+
+ # check for sane parameters
+ next if $ver < 5000; # only works with version 5 software
+ next if length $call < 3; # min 3 letter callsigns
+
+ # add it to the nodes table and outgoing line
+ $newline .= "$here^$call^$confmode^$ver^";
+ DXNode->new($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);
+ $mref->stop_msg($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
+ $self->{priv} = 1; # to user RCMDs allowed
+ $user->homenode($call);
+ $user->node($call);
+ }
+ $user->lastin($main::systime) unless DXChannel->get($call);
+ $user->put;
+ }
+
+ return if $newline eq "PC19^";
+
+ # add hop count
+ $newline .= get_hops(19) . "^";
+ $line = $newline;
+ last SWITCH;
+ }
+
+ if ($pcno == 20) { # send local configuration
+ $self->send_local_config();
+ $self->send(pc22());
+ $self->state('normal');
+ return;
+ }
+
+ if ($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 $node = DXCluster->get_exact($call);
+ if ($node) {
+ if ($node->dxchan != $self) {
+ dbg('chan', "LOOP: $call come in on wrong channel");
+ return;
+ }
+ my $dxchan;
+ if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
+ dbg('chan', "LOOP: $call connected locally");
+ return;
+ }
+ $node->del();
+ } else {
+ dbg('chan', "$call not in table, dropped");
+ return;
+ }
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 22) {
+ $self->state('normal');
+ return;
+ }
+
+ if ($pcno == 23 || $pcno == 27) { # WWV info
+
+ # route 'foreign' pc27s
+ if ($pcno == 27) {
+ if ($field[8] ne $main::mycall) {
+ route($field[8], $line);
+ return;
+ }
+ }
+
+ # 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;
+ my $dupkey = "$d.$sfi$k$i";
+ if ($wwvdup{$dupkey}) {
+ dbg('chan', "Dup WWV Spot ignored\n");
+ return;
+ }
+ if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
+ dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
+ return;
+ }
+ $wwvdup{$dupkey} = $d;
+ $field[6] =~ s/-\d+$//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', "Local::wwv2 error $@") 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 $ref = DXCluster->get_exact($call);
+ $ref->here($field[2]) if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 25) { # merge request
+ if ($field[1] ne $main::mycall) {
+ route($field[1], $line);
+ return;
+ }
+ if ($field[2] eq $main::mycall) {
+ dbg('chan', "Trying to merge to myself, ignored");
+ return;
+ }
+
+ Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
+
+ # spots
+ if ($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 || $pcno == 49) { # mail/file handling
+ if ($pcno == 49 || $field[1] eq $main::mycall) {
+ DXMsg::process($self, $line);
+ } else {
+ route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
+ if ($field[1] eq $main::mycall) {
+ my $ref = DXUser->get_current($field[2]);
+ my $cref = DXCluster->get($field[2]);
+ Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
+ unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
+ if ($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 $oldpriv = $self->{priv};
+ $self->{priv} = $ref->{priv}; # assume the user's privilege level
+ my @in = (DXCommandmode::run_cmd($self, $field[3]));
+ $self->{priv} = $oldpriv;
+ for (@in) {
+ s/\s*$//og;
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
+ Log('rcmd', 'out', $field[2], $_);
+ }
+ delete $self->{remotecmd};
+ } else {
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
+ }
+ } else {
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
+ }
+ } 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], $line);
+ }
+ return;
+ }
+
+ # for pc 37 see 44 onwards
+
+ if ($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 == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
+ if ($field[1] eq $main::mycall) {
+ ;
+ } else {
+ route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 50) { # keep alive/user list
+ my $node = DXCluster->get_exact($field[1]);
+ if ($node) {
+ return unless $node->isa('DXNode');
+ return unless $node->dxchan == $self;
+ $node->update_users($field[2]);
+ }
+ 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], $line);
+ }
+ return;
+ }
+ }
+
+ # if get here then rebroadcast the thing with its Hop count decremented (if
+ # there is one). If it has a hop count and it decrements to zero then don't
+ # rebroadcast it.
+ #
+ # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
+ # REBROADCAST!!!!
+ #
+
+ if (!$self->{isolate}) {
+ broadcast_ak1a($line, $self); # send it to everyone but me
+ }
}
#
#
sub process
{
- my $t = time;
- my @chan = DXChannel->get_all();
- my $chan;
-
- foreach $chan (@chan) {
- next if $chan->sort ne 'A';
-
- # send a pc50 out on this channel
- if ($t >= $chan->t + $main::pc50_interval) {
- $chan->send(pc50());
- $chan->t($t);
+ my $t = time;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+
+ foreach $dxchan (@dxchan) {
+ next unless $dxchan->is_ak1a();
+ next if $dxchan == $me;
+
+ # send a pc50 out on this channel
+ if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
+ $dxchan->send(pc50());
+ $dxchan->pc50_t($t);
+ }
+ }
+
+ my $key;
+ my $val;
+ my $cutoff;
+ if ($main::systime - 3600 > $last_hour) {
+ $cutoff = $main::systime - $pc11_dup_age;
+ while (($key, $val) = each %spotdup) {
+ delete $spotdup{$key} if $val < $cutoff;
+ }
+ $cutoff = $main::systime - $pc23_dup_age;
+ while (($key, $val) = each %wwvdup) {
+ delete $wwvdup{$key} if $val < $cutoff;
+ }
+ $cutoff = $main::systime - $pc12_dup_age;
+ while (($key, $val) = each %anndup) {
+ delete $anndup{$key} if $val < $cutoff;
+ }
+ $last_hour = $main::systime;
}
- }
}
#
#
sub finish
{
+ my $self = shift;
+ my $call = $self->call;
+ my $ref = DXCluster->get_exact($call);
+
+ # unbusy and stop and outgoing mail
+ my $mref = DXMsg::get_busy($call);
+ $mref->stop_msg($call) if $mref;
+
+ # broadcast to all other nodes that all the nodes connected to via me are gone
+ my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
+ my $node;
+
+ foreach $node (@gonenodes) {
+ next if $node->call eq $call;
+ broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
+ $node->del();
+ }
+ # remove outstanding pings
+ delete $pings{$call};
+
+ # now broadcast to all other ak1a nodes that I have gone
+ broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
+
+ Log('DXProt', $call . " Disconnected");
+ $ref->del() if $ref;
}
-
+
#
# 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) {
+ my $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{spotfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+
+ if ($dxchan->is_ak1a) {
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+ }
+ } elsif ($dxchan->is_user && $dxchan->{dx}) {
+ my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+sub send_wwv_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) {
+ my $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{spotfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+ if ($dxchan->is_ak1a) {
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+
+ }
+ } elsif ($dxchan->is_user && $dxchan->{wwv}) {
+ my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+# send an announce
+sub send_announce
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $text = unpad($_[2]);
+ my $target;
+ my $to = 'To ';
+
+ if ($_[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;
+
+ Log('ann', $target, $_[0], $text);
+
+ # 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) {
+ my $routeit;
+ my ($filter, $hops);
+
+ if ($dxchan->{annfilter}) {
+ ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
+ next unless $filter;
+ }
+ if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
+ next if $dxchan == $self;
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+ if ($filter) {
+ $dxchan->send($routeit) if $routeit;
+ } else {
+ $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+
+ }
+ } elsif ($dxchan->is_user && $dxchan->{ann}) {
+ next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
+ my $buf = "$to$target de $_[0]: $text";
+ $buf .= "\a\a" if $dxchan->{beep};
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($buf);
+ } else {
+ $dxchan->delay($buf);
+ }
+ }
+ }
+}
+
+sub send_local_config
+{
+ my $self = shift;
+ my $n;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
+
+ # send our nodes
+ if ($self->{isolate}) {
+ @localnodes = (DXCluster->get_exact($main::mycall));
+ } else {
+ # create a list of all the nodes that are not connected to this connection
+ # and are not themselves isolated, this to make sure that isolated nodes
+ # don't appear outside of this node
+ @nodes = DXNode::get_all();
+ @nodes = grep { $_->{call} ne $main::mycall } @nodes;
+ @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
+ @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
+ @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
+ unshift @localnodes, DXCluster->get_exact($main::mycall);
+ @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
+ }
+
+ my @s = $me->pc19(@localnodes, @remotenodes);
+ for (@s) {
+ my $routeit = adjust_hops($self, $_);
+ $self->send($routeit) if $routeit;
+ }
+
+ # get all the users connected on the above nodes and send them out
+ foreach $n (@localnodes, @remotenodes) {
+ my @users = values %{$n->list};
+ my @s = pc16($n, @users);
+ for (@s) {
+ my $routeit = adjust_hops($self, $_);
+ $self->send($routeit) if $routeit;
+ }
+ }
+}
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+sub route
+{
+ my ($call, $line) = @_;
+ my $cl = DXCluster->get_exact($call);
+ if ($cl) {
+ my $hops;
+ my $dxchan = $cl->{dxchan};
+ if ($dxchan) {
+ my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ if ($routeit) {
+ $dxchan->send($routeit) if $dxchan;
+ }
+ }
+ }
+}
+
+# broadcast a message to all clusters taking into account isolation
+# [except those mentioned after buffer]
+sub broadcast_ak1a
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_ak1a();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
+ $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
+ }
+}
+
+# broadcast a message to all clusters ignoring isolation
+# [except those mentioned after buffer]
+sub broadcast_all_ak1a
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_ak1a();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
+ $dxchan->send($routeit);
+ }
+}
+
+# broadcast to all users
+# storing the spot or whatever until it is in a state to receive it
+sub broadcast_users
+{
+ my $s = shift; # the line to be rebroadcast
+ my $sort = shift; # the type of transmission
+ my $fref = shift; # a reference to an object to filter on
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @dxchan = get_all_users();
+ my $dxchan;
+ my @out;
+
+ foreach $dxchan (@dxchan) {
+ next if grep $dxchan == $_, @except;
+ push @out, $dxchan;
+ }
+ broadcast_list($s, $sort, $fref, @out);
+}
+
+# broadcast to a list of users
+sub broadcast_list
+{
+ my $s = shift;
+ my $sort = shift;
+ my $fref = shift;
+ my $dxchan;
+
+ foreach $dxchan (@_) {
+ my $filter = 1;
+
+ if ($sort eq 'dx') {
+ next unless $dxchan->{dx};
+ ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
+ next unless $filter;
+ }
+ next if $sort eq 'ann' && !$dxchan->{ann};
+ next if $sort eq 'wwv' && !$dxchan->{wwv};
+ next if $sort eq 'wx' && !$dxchan->{wx};
+
+ $s =~ s/\a//og unless $dxchan->{beep};
+
+ if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+ $dxchan->send($s);
+ } else {
+ $dxchan->delay($s);
+ }
+ }
+}
+
+#
+# gimme all the ak1a nodes
+#
+sub get_all_ak1a
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_ak1a;
+ }
+ return @out;
+}
-sub broadcast
+# return a list of all users
+sub get_all_users
{
- my $s = shift;
- $s = shift if ref $s; # if I have been called $self-> ignore it.
- my @except = @_; # to all channels EXCEPT these (dxchannel refs)
- my @chan = DXChannel->get_all();
- my ($chan, $except);
-
-L: foreach $chan (@chan) {
- next if $chan->sort != 'A'; # only interested in ak1a channels
- foreach $except (@except) {
- next L if $except == $chan; # ignore channels in the 'except' list
- }
- chan->send($s); # send it
- }
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_user;
+ }
+ return @out;
+}
+
+# return a list of all user callsigns
+sub get_all_user_calls
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref->call if $ref->is_user;
+ }
+ return @out;
}
#
-# All the PCxx generation routines
+# obtain the hops from the list for this callsign and pc no
#
-sub pc18
+sub get_hops
{
- return "PC18^wot a load of twaddle^$main::myprot_version^~";
+ my $pcno = shift;
+ my $hops = $DXProt::hopcount{$pcno};
+ $hops = $DXProt::def_hopcount if !$hops;
+ return "H$hops";
}
-# send all the DX clusters I reckon are connected
-sub pc38
+#
+# adjust the hop count on a per node basis using the user loadable
+# hop table if available or else decrement an existing one
+#
+
+sub adjust_hops
{
- my @list = DXNode->get_all();
- my $list;
- my @nodes;
-
- foreach $list (@list) {
- push @nodes, $list->call;
- }
- return "PC38^" . join(',', @nodes) . "^~";
+ my $self = shift;
+ my $s = shift;
+ my $call = $self->{call};
+ my $hops;
+
+ if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
+ my ($pcno) = $s =~ /^PC(\d\d)/o;
+ confess "$call called adjust_hops with '$s'" unless $pcno;
+ my $ref = $nodehops{$call} if %nodehops;
+ if ($ref) {
+ my $newhops = $ref->{$pcno};
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $ref->{default} unless $newhops;
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $hops if !$newhops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
+ } else {
+ # simply decrement it
+ $hops--;
+ return "" if !$hops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
+ }
+ }
+ return $s;
}
-sub pc50
+#
+# load hop tables
+#
+sub load_hops
{
- my $n = DXUsers->count;
- return "PC50^$main::mycall^$n^H99^";
+ my $self = shift;
+ return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
+ do "$main::data/hop_table.pl";
+ return $@ if $@;
+ return 0;
}
+# remove leading and trailing spaces from an input string
+sub unpad
+{
+ my $s = shift;
+ $s =~ s/^\s+|\s+$//;
+ return $s;
+}
+
+# add a ping request to the ping queues
+sub addping
+{
+ my ($from, $to) = @_;
+ my $ref = $pings{$to};
+ $ref = $pings{$to} = [] if !$ref;
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = $main::systime;
+ route($to, pc51($to, $main::mycall, 1));
+ push @$ref, $r;
+}
+
+# add a rcmd request to the rcmd queues
+sub addrcmd
+{
+ my ($from, $to, $cmd) = @_;
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = $main::systime;
+ $r->{cmd} = $cmd;
+ route($to, pc34($main::mycall, $to, $cmd));
+ $rcmds{$to} = $r;
+}
1;
__END__