2 # The RBN connection system
4 # Copyright (c) 2020 Dirk Koopman G1TLH
21 use Math::Round qw(nearest nearest_floor);
23 use Time::HiRes qw(gettimeofday);
70 our $DATA_VERSION = 1;
72 our @ISA = qw(DXChannel);
74 our $startup_delay = 5*60; # don't send anything out until this timer has expired
75 # this is to allow the feed to "warm up" with duplicates
76 # so that the "big rush" doesn't happen.
78 our $respottime = 30*60; # the time between respots of a callsign - if a call is
79 # still being spotted (on the same freq) and it has been
80 # spotted before, it's spotted again after this time
81 # until the next respottime has passed.
84 our $beacontime = 5*60; # same as minspottime, but for beacons (and shorter)
86 our $dwelltime = 10; # the amount of time to wait for duplicates before issuing
87 # a spot to the user (no doubt waiting with bated breath).
89 our $limbotime = 5*60; # if there are fewer than $minqual candidates and $dwelltime
90 # has expired then allow this spot to live a bit longer. It may
91 # simply be that it is not in standard spot coverage. (ask G4PIQ
94 our $cachetime = 60*60; # The length of time spot data is cached
96 our $filterdef = $Spot::filterdef; # we use the same filter as the Spot system. Can't think why :-).
98 my $spots; # the GLOBAL spot cache
99 my $qrg; # the GlOBAL (ephemeral) qrg cache (generated on re-read of cache)
102 my %runtime; # how long each channel has been running
104 our $cachefn = localdata('rbn_cache');
105 our $cache_valid = 4*60; # The cache file is considered valid if it is not more than this old
107 our $maxqrgdiff = 10; # the maximum
108 our $minqual = 2; # the minimum quality we will accept for output
109 our $maxqual = 9; # if there is enough quality, then short circuit any remaining dwelltime.
112 my $noinrush = 0; # override the inrushpreventor if set
113 our $maxdeviants = 5; # the number of deviant QRGs to record for skimmer records
115 our %seeme; # the list of users that want to see themselves
125 $spots = {VERSION=>$DATA_VERSION};
127 if (defined $DB::VERSION) {
136 my $self = DXChannel::alloc(@_);
138 # routing, this must go out here to prevent race condx
145 $self->{nouser} = {};
147 $self->{noraw10} = 0;
148 $self->{nospot10} = 0;
149 $self->{nouser10} = {};
150 $self->{norbn10} = 0;
151 $self->{nospothour} = 0;
152 $self->{nouserhour} = {};
153 $self->{norbnhour} = 0;
154 $self->{norawhour} = 0;
156 $self->{lasttime} = $main::systime;
157 $self->{respottime} = $respottime;
158 $self->{beacontime} = $beacontime;
159 $self->{showstats} = 0;
160 $self->{pingint} = 0;
161 $self->{nopings} = 0;
169 my ($self, $line, $sort) = @_;
170 my $user = $self->{user};
171 my $call = $self->{call};
172 my $name = $user->{name};
175 my $host = $self->{conn}->peerhost;
177 $self->{hostname} = $host;
179 $self->{name} = $name ? $name : $call;
180 $self->state('prompt'); # a bit of room for further expansion, passwords etc
181 $self->{lang} = $user->lang || $main::lang || 'en';
182 if ($line =~ /host=/) {
183 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
184 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
186 ($h) = $line =~ /host=([\da..fA..F:]+)/;
187 $line =~ s/\s*host=[\da..fA..F:]+// if $h;
191 $self->{hostname} = $h;
194 $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
195 $self->{consort} = $line; # save the connection type
197 LogDbg('DXCommand', "$call connected from $self->{hostname}");
199 # set some necessary flags on the user if they are connecting
200 $self->{registered} = 1;
201 # sort out privilege reduction
206 $nossid =~ s/-\d+$//;
208 $self->{inrbnfilter} = Filter::read_in('rbn', $call, 1)
209 || Filter::read_in('rbn', 'node_default', 1);
211 # clean up qra locators
212 my $qra = $user->qra;
213 $qra = undef if ($qra && !DXBearing::is_qra($qra));
215 my $lat = $user->lat;
216 my $long = $user->long;
217 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
220 # if we have been running and stopped for a while
221 # if the cache is warm enough don't operate the inrush preventor
222 $self->{inrushpreventor} = exists $runtime{$call} && $runtime{$call} > $startup_delay || $noinrush ? 0 : $main::systime + $startup_delay;
223 dbg("RBN: noinrush: $noinrush, setting inrushpreventor on $self->{call} to $self->{inrushpreventor}");
226 my @queue; # the queue of spots ready to send
233 my $dbgrbn = isdbg('rbn');
235 # remove leading and trailing spaces
242 my $now = $main::systime;
245 dbg "RBN:RAW,$line" if isdbg('rbnraw');
246 return unless $line=~/^DX\s+de/;
248 my (undef, undef, $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t, $tx) = split /[:\s]+/, $line;
250 # fix up FT8 spots from 7001
251 $t = $u, $u = '' if !$t && is_ztime($u);
252 $t = $sort, $sort = '' if !$t && is_ztime($sort);
253 my $qra = $spd, $spd = '' if is_qra($spd);
256 # is this anything like a callsign?
257 unless (is_callsign($call)) {
258 dbg("RBN: ERROR $call from $origin on $qrg is invalid, dumped");
262 # remove all extraneous crap from the origin - just leave the base callsign
263 my $norigin = basecall($origin);
265 dbg("RBN: ERROR '$origin' is an invalid callsign, dumped");
270 # is this callsign in badspotter list?
271 if ($DXProt::badspotter->in($origin) || $DXProt::badnode->in($origin)) {
272 dbg("RBN: ERROR $origin is a bad spotter/node, dumped");
277 unless ($qrg =~ /^\d+\.\d{1,3}$/) {
278 dbg("RBN: ERROR qrg $qrg from $origin invalid, dumped");
285 dbg qq{RBN:input decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if $dbgrbn && isdbg('rbn');
289 ++$self->{norawhour};
295 # fix up times for things like 'NXDXF B' etc
296 if ($tx && is_ztime($t)) {
305 if ($sort && $sort eq 'NCDXF') {
309 if ($sort && $sort eq 'BEACON') {
312 if ($mode =~ /^PSK/) {
315 if ($mode eq 'RTTY') {
319 # The main de-duping key is [call, $frequency], but we probe a bit around that frequency to find a
320 # range of concurrent frequencies that might be in play.
322 # The key to this is deducing the true callsign by "majority voting" (the greater the number of spotters
323 # the more effective this is) together with some lexical analsys probably in conjuction with DXSpider
324 # data sources (for singleton spots) to then generate a "centre" from and to zone (whatever that will mean if it isn't the usual one)
325 # and some heuristical "Kwalitee" rating given distance from the zone centres of spotter, recipient user
326 # and spotted. A map can be generated once per user and spotter as they are essentially mostly static.
327 # The spotted will only get a coarse position unless other info is available. Programs that parse
328 # DX bulletins and the online data online databases could be be used and then cached.
330 # Obviously users have to opt in to receiving RBN spots and other users will simply be passed over and
333 # Clearly this will only work in the 'mojo' branch of DXSpider where it is possible to pass off external
334 # data requests to ephemeral or semi resident forked processes that do any grunt work and the main
335 # process to just the standard "message passing" which has been shown to be able to sustain over 5000
336 # per second (limited by the test program's output and network speed, rather than DXSpider's handling).
339 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
340 my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
342 # deal with the unix time
343 my ($hh,$mm) = $t =~ /(\d\d)(\d\d)Z$/;
344 my $utz = $hh*3600 + $mm*60 + $main::systime_daystart; # possible issue with late spot from previous day
345 $utz -= 86400 if $utz > $now+3600; # too far ahead, drag it back one day
348 # But before we do anything, if this call is in the seeme hash then just send the spot to them
350 if (exists $seeme{$call} && (my $scall = $seeme{basecall($call)})) {
351 my $uchan = DXChannel::get($call);
353 if ($uchan->is_user) {
354 if (isdbg('seeme')) {
356 dbg( qq{seemme:decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra});
358 my @s = Spot::prepare($qrg, $call, $utz, sprintf("%-3s %2ddB **SEEME**", $mode, $s), $origin.'-#');
359 my $buf = $uchan->format_dx_spot(@s);
360 dbg("seeme: result '$buf'") if isdbg('seeme');
361 $uchan->local_send('S', $buf) if $scall;
363 LogDbg("RBN Someone is playing silly persons $call is not a user and cannot do 'seeme', ignored and reset");
364 delete $seeme{$call};
369 my $cand = $spots->{$sp};
372 for ($i = $nqrg; !$cand && $i <= $nqrg+$search; $i += 1) {
374 $cand = $spots->{$new}, last if exists $spots->{$new};
377 my $diff = $i - $nqrg;
378 dbg(qq{RBN: QRG Diff using $new (+$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
384 for ($i = $nqrg; !$cand && $i >= $nqrg-$search; $i -= 1) {
386 $cand = $spots->{$new}, last if exists $spots->{$new};
389 my $diff = $nqrg - $i;
390 dbg(qq{RBN: QRG Diff using $new (-$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
395 # if we have one and there is only one slot and that slot's time isn't expired for respot then return
397 if ($cand && ref $cand) {
398 if (@$cand <= CData) {
399 if ($self->{respottime} > 0 && $now - $cand->[CTime] < $self->{respottime}) {
400 dbg("RBN: key: '$sp' call: $call qrg: $qrg DUPE \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
404 dbg("RBN: key: '$sp' RESPOTTING call: $call qrg: $qrg last seen \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
405 $cand->[CTime] = $now;
409 # otherwise we have a spot being built up at the moment
411 dbg("RBN: key '$sp' = '$cand' not ref");
414 # new spot / frequency
415 $spots->{$sp} = $cand = [$now, 0];
416 dbg("RBN: key: '$sp' call: $call qrg: $qrg NEW" . ($respot ? ' RESPOT' : '')) if $dbgrbn && isdbg('rbn');
419 # add me to the display queue unless we are waiting for initial in rush to finish
420 return unless $noinrush || $self->{inrushpreventor} < $main::systime;
422 # build up a new record and store it in the buildup
423 # create record and add into the buildup
424 my $r = [$origin, nearest(.1, $qrg), $call, $mode, $s, $t, $utz, $respot, $u];
425 my @s = Spot::prepare($r->[RQrg], $r->[RCall], $r->[RUtz], '', $r->[ROrigin]);
427 dbg("RBN: ERROR invalid prefix/callsign $call from $origin-# on $qrg, dumped");
431 if ($self->{inrbnfilter}) {
432 my ($want, undef) = $self->{inrbnfilter}->it($s);
435 $r->[RSpotData] = \@s;
437 ++$self->{queue}->{$sp};# unless @$cand>= CData; # queue the KEY (not the record)
439 dbg("RBN: key: '$sp' ADD RECORD call: $call qrg: $qrg origin: $origin respot: $respot") if $dbgrbn && isdbg('rbn');
444 dbg "RBN:DATA,$line" if $dbgrbn && isdbg('rbn');
448 # we should get the spot record minus the time, so just an array of record (arrays)
457 ++$self->{norbnhour};
459 # $r = [$origin, $qrg, $call, $mode, $s, $utz, $respot];
461 my $mode = $cand->[CData]->[RMode]; # as all the modes will be the same;
463 my @dxchan = DXChannel::get_all();
465 foreach my $dxchan (@dxchan) {
466 next unless $dxchan->is_user;
467 my $user = $dxchan->{user};
468 next unless $user && $user->wantrbn;
470 # does this user want this sort of spot at all?
472 ++$want if $user->wantbeacon && $mode =~ /^BCN|DXF/;
473 ++$want if $user->wantcw && $mode =~ /^CW/;
474 ++$want if $user->wantrtty && $mode =~ /^RTT/;
475 ++$want if $user->wantpsk && $mode =~ /^PSK|FSK|MSK/;
476 ++$want if $user->wantft && $mode =~ /^FT/;
478 dbg(sprintf("RBN: spot selection for $dxchan->{call} mode: '$mode' want: $want flags rbn:%d ft:%d bcn:%d cw:%d psk:%d rtty:%d",
485 )) if isdbg('rbnll');
487 # send one spot to one user out of the ones that we have
488 $self->dx_spot($dxchan, $quality, $cand) if $want;
498 my $call = $dxchan->{call};
499 my $strength = 100; # because it could if we talk about FTx
505 ++$self->{nousers}->{$call};
506 ++$self->{nousers10}->{$call};
507 ++$self->{nousershour}->{$call};
510 my $rf = $dxchan->{rbnfilter} || $dxchan->{spotsfilter};
513 foreach my $r (@$cand) {
514 # $r = [$origin, $qrg, $call, $mode, $s, $t, $utz, $respot, $qra];
515 # Spot::prepare($qrg, $call, $utz, $comment, $origin);
516 next unless $r && ref $r;
518 $qra = $r->[RQra] if !$qra && $r->[RQra] && is_qra($r->[RQra]);
520 $comment = sprintf "%-3s %2ddB $quality", $r->[RMode], $r->[RStrength];
521 my $s = $r->[RSpotData]; # the prepared spot
522 $s->[SComment] = $comment; # apply new generated comment
524 ++$zone{$s->[SZone]}; # save the spotter's zone
526 # save the lowest strength one
527 if ($r->[RStrength] < $strength) {
528 $strength = $r->[RStrength];
530 dbg("RBN: STRENGTH spot: $s->[SCall] qrg: $s->[SQrg] origin: $s->[SOrigin] dB: $r->[RStrength] < $strength") if isdbg 'rbnll';
534 my ($want, undef) = $rf->it($s);
535 dbg("RBN: FILTERING for $call spot: $s->[SCall] qrg: $s->[SQrg] origin: $s->[SOrigin] dB: $r->[RStrength] com: '$s->[SComment]' want: " . ($want ? 'YES':'NO')) if isdbg 'rbnll';
542 $saver = $filtered; # if nothing passed the filter's lips then $saver == $filtered == undef !
547 # create a zone list of spotters
548 delete $zone{$saver->[SZone]}; # remove this spotter's zone (leaving all the other zones)
549 my $z = join ',', sort {$a <=> $b} keys %zone;
551 # alter spot data accordingly
552 $saver->[SComment] .= " Z:$z" if $z;
554 send_final($dxchan, $saver);
558 ++$self->{nospothour};
561 my $user = DXUser::get_current($saver->[SCall]) || DXUser->new($saver->[SCall]);
562 unless ($user->qra && is_qra($user->qra)) {
564 dbg("RBN: update qra on $saver->[SCall] to $qra");
566 # update lastseen if nothing else
576 my $call = $dxchan->{call};
579 dbg("RBN: SENDING to $call spot: $saver->[SCall] qrg: $saver->[SQrg] origin: $saver->[SOrigin] $saver->[SComment]") if isdbg 'rbnll';
580 if ($dxchan->{ve7cc}) {
581 my $call = $saver->[SOrigin];
582 $saver->[SOrigin] .= '-#';
583 $buf = VE7CC::dx_spot($dxchan, @$saver);
584 $saver->[SOrigin] = $call;
586 my $call = $saver->[SOrigin];
587 $saver->[SOrigin] = substr($call, 0, 6);
588 $saver->[SOrigin] .= '-#';
589 $buf = $dxchan->format_dx_spot(@$saver);
590 $saver->[SOrigin] = $call;
592 $dxchan->local_send('R', $buf);
598 my $rbnskim = isdbg('rbnskim');
600 foreach my $dxchan (DXChannel::get_all()) {
601 next unless $dxchan->is_rbn;
603 # At this point we run the queue to see if anything can be sent onwards to the punter
604 my $now = $main::systime;
605 my $ta = [gettimeofday];
608 # now run the waiting queue which just contains KEYS ($call|$qrg)
609 foreach my $sp (keys %{$dxchan->{queue}}) {
610 my $cand = $spots->{$sp};
613 unless ($cand && $cand->[CTime]) {
614 dbg "RBN Cand $sp " . ($cand ? 'def' : 'undef') . " [CTime] " . ($cand->[CTime] ? 'def' : 'undef') . " dwell $dwelltime";
615 delete $spots->{$sp};
616 delete $dxchan->{queue}->{$sp}; # remove
620 my $ctime = $cand->[CTime];
621 my $quality = @$cand - CData;
622 my $dwellsecs = $now - $ctime;
623 if ($quality >= $maxqual || $dwellsecs >= $dwelltime || $dwellsecs >= $limbotime) {
624 # we have a candidate, create qualitee value(s);
625 unless (@$cand > CData) {
626 dbg "RBN: QUEUE key '$sp' MISSING RECORDS, IGNORED" . dd($cand) if isdbg 'rbnqueue';
627 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
628 delete $dxchan->{queue}->{$sp};
631 dbg "RBN: QUEUE PROCESSING key: '$sp' $now >= $cand->[CTime]" if isdbg 'rbnqueue';
632 my $spotters = $quality;
634 # dump it and remove it from the queue if it is of unadequate quality, but only if it is no longer in Limbo and can be reasonably passed on to its demise
635 my $r = $cand->[CData];
636 if ($dwellsecs > $limbotime && $quality < $minqual) {
637 if ( $rbnskim && isdbg('rbnskim')) {
640 my $lastin = difft($ctime, $now, 2);
641 my $s = "RBN:SKIM time in Limbo exceeded DUMPED (lastin: $lastin Q:$quality < Q:$minqual) key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] route: $dxchan->{call}";
645 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
646 delete $dxchan->{queue}->{$sp};
650 # we have a possible removal from Limbo, check for more than one skimmer and reset the quality if required
651 # DOES THIS TEST CAUSE RACES?
652 if (!$r->[Respot] && $quality >= $minqual && $dwellsecs > $dwelltime+1) {
654 # because we don't need to check for repeats by the same skimmer in the normal case, we do here
657 foreach my $wr (@$cand) {
659 push @origin, $wr->[ROrigin];
660 if (exists $seen{$wr->[ROrigin]}) {
663 $seen{$wr->[ROrigin]} = $wr;
665 # reset the quality to ignore dupes
667 $quality = keys %seen;
668 if ($quality >= $minqual) {
669 if ( $rbnskim && isdbg('rbnskim')) {
670 my $lastin = difft($ctime, $now, 2);
671 my $sk = join ' ', keys %seen;
672 my $or = join ' ', @origin;
673 my $s = "RBN:SKIM promoted from Limbo - key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk";
674 $s .= " was $or" if $or ne $sk;
678 } elsif ($oq != $quality) {
679 if ( $rbnskim && isdbg('rbnskim')) {
680 my $lastin = difft($ctime, $now, 2);
681 my $sk = join ' ', keys %seen;
682 my $or = join ' ', @origin;
683 my $s = "RBN:SKIM quality reset key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk was: $or)";
687 my @ncand = (@$cand[CTime, CQual], values %seen);
688 $spots->{$sp} = \@ncand;
692 # we now kick this spot into Limbo
693 if ($quality < $minqual) {
697 $quality = 9 if $quality > 9;
698 $cand->[CQual] = $quality if $quality > $cand->[CQual];
700 # this scores each candidate according to its skimmer's QRG score (i.e. how often it agrees with its peers)
701 # what happens is hash of all QRGs in candidates are incremented by that skimmer's reputation for "accuracy"
702 # or, more exactly, past agreement with the consensus. This score can be from -5 -> +5.
708 foreach $r (@$cand) {
710 if (exists $seen{$r->[ROrigin]}) {
714 $seen{$r->[ROrigin]} = 1;
715 $band ||= int $r->[RQrg] / 1000;
716 $sk = "SKIM|$r->[ROrigin]|$band"; # thus only once per set of candidates
717 $skimmer = $spots->{$sk};
719 $skimmer = $spots->{$sk} = [1, 0, 0, $now, []]; # this first time, this new skimmer gets the benefit of the doubt on frequency.
720 dbg("RBN:SKIM new slot $sk " . $json->encode($skimmer)) if $rbnskim && isdbg('rbnskim');
722 $qrg{$r->[RQrg]} += ($skimmer->[DScore] || 1);
725 # determine the most likely qrg and then set it - NOTE (-)ve votes, generated by the skimmer scoring system above, are ignored
730 while (my ($k, $votes) = each %qrg) {
738 # Ignore possible spots with 0 QRG score - as determined by the skimmer scoring system above - as they are likely to be wrong
740 if ( $rbnskim && isdbg('rbnskim')) {
742 while (my ($k, $v) = (each %qrg)) {
747 foreach $r (@$cand) {
748 next unless $r && ref $r;
749 dbg "RBN:SKIM cand $i QRG likely wrong from '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] (qrgs: $keys c: $c) route: $dxchan->{call}, ignored";
753 delete $spots->{$sp}; # get rid
754 delete $dxchan->{queue}->{$sp};
758 # detemine and spit out the deviants. Then adjust the scores according to whether it is a deviant or good
759 # NOTE: deviant nodes can become good (or less bad), and good nodes bad (or less good) on each spot that
760 # they generate. This is based solely on each skimmer's agreement (or not) with the "consensus" score generated
761 # above ($qrg). The resultant score + good + bad is stored per band and will be used the next time a spot
762 # appears on this band from each skimmer.
763 foreach $r (@$cand) {
764 next unless $r && ref $r;
765 my $diff = $c > 1 ? nearest(.1, $r->[RQrg] - $qrg) : 0;
766 $sk = "SKIM|$r->[ROrigin]|$band";
767 $skimmer = $spots->{$sk};
769 ++$skimmer->[DBad] if $skimmer->[DBad] < $maxdeviants;
770 --$skimmer->[DGood] if $skimmer->[DGood] > 0;
771 push @deviant, sprintf("$r->[ROrigin]:%+.1f", $diff);
772 push @{$skimmer->[DEviants]}, $diff;
773 shift @{$skimmer->[DEviants]} while @{$skimmer->[DEviants]} > $maxdeviants;
775 ++$skimmer->[DGood] if $skimmer->[DGood] < $maxdeviants;
776 --$skimmer->[DBad] if $skimmer->[DBad] > 0;
777 shift @{$skimmer->[DEviants]};
779 $skimmer->[DScore] = $skimmer->[DGood] - $skimmer->[DBad];
780 if ($rbnskim && isdbg('rbnskim')) {
781 my $lastin = difft($skimmer->[DLastin], $now, 2);
782 my $difflist = join(', ', @{$skimmer->[DEviants]});
783 $difflist = " band qrg diffs: $difflist" if $difflist;
784 dbg("RBN:SKIM key $sp slot $sk $r->[RQrg] - $qrg = $diff Skimmer score: $skimmer->[DGood] - $skimmer->[DBad] = $skimmer->[DScore] lastseen:$lastin ago$difflist");
786 $skimmer->[DLastin] = $now;
787 $r->[RSpotData]->[SQrg] = $qrg if $qrg && $c > 1; # set all the QRGs to the agreed value
790 $qrg = (sprintf "%.1f", $qrg)+0;
793 my $squality = "Q:$cand->[CQual]";
794 $squality .= '*' if $c > 1;
795 $squality .= '+' if $r->[Respot];
797 if (isdbg('progress')) {
798 my $rt = difft($ctime, $now, 2);
799 my $s = "RBN: SPOT key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] $squality route: $dxchan->{call} dwell:$rt";
801 $s .= " QRGScore: $mv Deviants: $td/$spotters";
802 $s .= ' (' . join(', ', sort @deviant) . ')' if $td;
806 # finally send it out to any waiting public
807 send_dx_spot($dxchan, $squality, $cand);
809 # clear out the data and make this now just "spotted", but no further action required until respot time
810 dbg "RBN: QUEUE key '$sp' cleared" if isdbg 'rbn';
812 delete $dxchan->{queue}->{$sp};
814 # calculate new sp (which will be 70% likely the same as the old one)
815 # we do this to cope with the fact that the first spotter may well be "wrongly calibrated" giving a qrg that disagrees with the majority.
816 # and we want to store the key that corresponds to majority opinion.
817 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
818 my $nsp = "$r->[RCall]|$nqrg";
820 dbg("RBN:SKIM CHANGE KEY sp '$sp' -> '$nsp' for storage") if $rbnskim && isdbg('rbnskim');
821 delete $spots->{$sp};
822 $spots->{$nsp} = [$now, $cand->[CQual]];
824 $spots->{$sp} = [$now, $cand->[CQual]];
828 dbg sprintf("RBN: QUEUE key: '$sp' SEND time not yet reached %.1f secs left", $cand->[CTime] + $dwelltime - $now) if isdbg 'rbnqueue';
831 if (isdbg('rbntimer')) {
832 my $diff = _diffus($ta);
833 dbg "RBN: TIMER process queue for call: $dxchan->{call} $items spots $diff uS";
840 foreach my $dxchan (DXChannel::get_all()) {
841 next unless $dxchan->is_rbn;
842 dbg "RBN:STATS minute $dxchan->{call} raw: $dxchan->{noraw} retrieved spots: $dxchan->{norbn} delivered: $dxchan->{nospot} after filtering to users: " . scalar keys %{$dxchan->{nousers}} if isdbg('rbnstats');
843 if ($dxchan->{noraw} == 0 && $dxchan->{lasttime} > 60) {
844 LogDbg('RBN', "RBN: no input from $dxchan->{call}, disconnecting");
847 $dxchan->{noraw} = $dxchan->{norbn} = $dxchan->{nospot} = 0; $dxchan->{nousers} = {};
848 $runtime{$dxchan->{call}} += 60;
851 # save the spot cache
852 write_cache() unless $main::systime + $startup_delay < $main::systime;;
859 while (my ($k,$cand) = each %{$spots}) {
860 next if $k eq 'VERSION';
861 next if $k =~ /^O\|/;
862 next if $k =~ /^SKIM\|/;
864 if ($main::systime - $cand->[CTime] > $cachetime) {
872 dbg "RBN:STATS spot cache remain: $count removed: $removed"; # if isdbg('rbn');
873 foreach my $dxchan (DXChannel::get_all()) {
874 next unless $dxchan->is_rbn;
875 my $nq = keys %{$dxchan->{queue}};
876 my $pc = $dxchan->{noraw10} ? sprintf("%.1f%%",$dxchan->{norbn10}*100/$dxchan->{noraw10}) : '0.0%';
877 dbg "RBN:STATS 10-minute $dxchan->{call} queue: $nq raw: $dxchan->{noraw10} retrieved spots: $dxchan->{norbn10} ($pc) delivered: $dxchan->{nospot10} after filtering to users: " . scalar keys %{$dxchan->{nousers10}};
878 $dxchan->{noraw10} = $dxchan->{norbn10} = $dxchan->{nospot10} = 0; $dxchan->{nousers10} = {};
884 foreach my $dxchan (DXChannel::get_all()) {
885 next unless $dxchan->is_rbn;
886 my $nq = keys %{$dxchan->{queue}};
887 my $pc = $dxchan->{norawhour} ? sprintf("%.1f%%",$dxchan->{norbnhour}*100/$dxchan->{norawhour}) : '0.0%';
888 dbg "RBN:STATS hour $dxchan->{call} queue: $nq raw: $dxchan->{norawhour} retrieved spots: $dxchan->{norbnhour} ($pc) delivered: $dxchan->{nospothour} after filtering to users: " . scalar keys %{$dxchan->{nousershour}};
889 $dxchan->{norawhour} = $dxchan->{norbnhour} = $dxchan->{nospothour} = 0; $dxchan->{nousershour} = {};
900 my $ta = [ gettimeofday ];
901 $json->indent(1)->canonical(1) if isdbg 'rbncache';
902 my $s = eval {$json->encode($spots)};
904 my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
908 dbg("RBN:Write_cache error '$@'");
911 $json->indent(0)->canonical(0);
912 my $diff = _diffms($ta);
913 my $size = sprintf('%.3fKB', (length($s) / 1000));
914 dbg("RBN:WRITE_CACHE size: $size time to write: $diff mS");
920 my $mt = (stat($cachefn))[9];
921 my $t = $main::systime - $mt || 1;
922 my $p = difft($mt, 2);
923 if ($t < $cache_valid) {
924 dbg("RBN:check_cache '$cachefn' spot cache exists, created $p ago and not too old");
925 my $fh = IO::File->new($cachefn);
930 dbg("RBN:check_cache cache read size " . length $s);
933 dbg("RBN:check_cache file read error $!");
937 eval {$spots = $json->decode($s)};
938 if ($spots && ref $spots) {
939 if (exists $spots->{VERSION} && $spots->{VERSION} == $DATA_VERSION) {
940 # now clean out anything that has spot build ups in progress
941 while (my ($k, $cand) = each %$spots) {
942 next if $k eq 'VERSION';
943 next if $k =~ /^O\|/;
944 next if $k =~ /^SKIM\|/;
945 if (@$cand > CData) {
946 $spots->{$k} = [$cand->[CTime], $cand->[CQual]];
949 dbg("RBN:check_cache spot cache restored");
953 dbg("RBN::checkcache error decoding $@");
956 my $d = difft($main::systime-$cache_valid);
957 dbg("RBN::checkcache '$cachefn' created $p ago is too old (> $d), ignored");
960 dbg("RBN:check_cache '$cachefn' spot cache not present");
969 $seeme{basecall($call)} = 1;
975 delete $seeme{basecall($call)};