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 = 3*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 = $user->{name};
175 unless ($self->{hostname}) {
176 $self->{hostname} = $self->{conn}->peerhost || 'unknown';
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} = $line; # save the connection type
197 LogDbg('err', "$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
205 # $self->{inrbnfilter} = Filter::read_in('rbn', $call, 1)
206 # || Filter::read_in('rbn', 'node_default', 1);
208 Filter::load_dxchan($self, 'rbn', 1);
210 # clean up qra locators
211 my $qra = $user->qra;
212 $qra = undef if ($qra && !DXBearing::is_qra($qra));
214 my $lat = $user->lat;
215 my $long = $user->long;
216 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
219 # if we have been running and stopped for a while
220 # if the cache is warm enough don't operate the inrush preventor
221 $self->{inrushpreventor} = exists $runtime{$call} && $runtime{$call} > $startup_delay || $noinrush ? 0 : $main::systime + $startup_delay;
222 dbg("RBN: noinrush: $noinrush, setting inrushpreventor on $self->{call} to $self->{inrushpreventor}");
225 my @queue; # the queue of spots ready to send
232 my $dbgrbn = isdbg('rbn');
234 # remove leading and trailing spaces
241 my $now = $main::systime;
244 dbg "RBN:RAW,$line" if isdbg('rbnraw');
245 return unless $line=~/^DX\s+de/;
247 my (undef, undef, $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t, $tx) = split /[:\s]+/, $line;
249 # fix up FT8 spots from 7001
250 $t = $u, $u = '' if !$t && is_ztime($u);
251 $t = $sort, $sort = '' if !$t && is_ztime($sort);
252 my $qra = $spd, $spd = '' if is_qra($spd);
255 # is this anything like a callsign?
256 unless (is_callsign($call)) {
257 dbg("RBN: ERROR $call from $origin on $qrg is invalid, dumped");
262 if ($DXProt::baddx->in($call)) {
263 dbg("RBN: Bad DX spot '$call', ignored");
264 dbg($line) if isdbg('nologchan');
269 # remove all extraneous crap from the origin - just leave the base callsign
270 my $norigin = basecall($origin);
272 dbg("RBN: ERROR '$origin' is an invalid callsign, dumped");
277 # is this callsign in badspotter list?
278 if ($DXProt::badspotter->in($origin) || $DXProt::badnode->in($origin)) {
279 dbg("RBN: ERROR $origin is a bad spotter/node, dumped");
284 unless ($qrg =~ /^\d+\.\d{1,3}$/) {
285 dbg("RBN: ERROR qrg $qrg from $origin invalid, dumped");
292 dbg qq{RBN:input decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if $dbgrbn && isdbg('rbn');
296 ++$self->{norawhour};
302 # fix up times for things like 'NXDXF B' etc
303 if ($tx && is_ztime($t)) {
312 if ($sort && $sort eq 'NCDXF') {
316 if ($sort && $sort eq 'BEACON') {
319 if ($mode =~ /^PSK/) {
322 if ($mode eq 'RTTY') {
326 # The main de-duping key is [call, $frequency], but we probe a bit around that frequency to find a
327 # range of concurrent frequencies that might be in play.
329 # The key to this is deducing the true callsign by "majority voting" (the greater the number of spotters
330 # the more effective this is) together with some lexical analsys probably in conjuction with DXSpider
331 # 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)
332 # and some heuristical "Kwalitee" rating given distance from the zone centres of spotter, recipient user
333 # and spotted. A map can be generated once per user and spotter as they are essentially mostly static.
334 # The spotted will only get a coarse position unless other info is available. Programs that parse
335 # DX bulletins and the online data online databases could be be used and then cached.
337 # Obviously users have to opt in to receiving RBN spots and other users will simply be passed over and
340 # Clearly this will only work in the 'mojo' branch of DXSpider where it is possible to pass off external
341 # data requests to ephemeral or semi resident forked processes that do any grunt work and the main
342 # process to just the standard "message passing" which has been shown to be able to sustain over 5000
343 # per second (limited by the test program's output and network speed, rather than DXSpider's handling).
346 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
347 my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
349 # deal with the unix time
350 my ($hh,$mm) = $t =~ /(\d\d)(\d\d)Z$/;
351 my $utz = $hh*3600 + $mm*60 + $main::systime_daystart; # possible issue with late spot from previous day
352 $utz -= 86400 if $utz > $now+3600; # too far ahead, drag it back one day
355 # But before we do anything, if this call is in the seeme hash then just send the spot to them
357 if (exists $seeme{$call} && (my $ref = $seeme{$call})) {
358 foreach my $rcall ( @$ref) {
359 my $uchan = DXChannel::get($rcall);
361 if ($uchan->is_user) {
362 if (isdbg('seeme')) {
364 dbg( qq{seemme:decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra});
366 my @s = Spot::prepare($qrg, $call, $utz, sprintf("%-3s %2ddB **SEEME**", $mode, $s), $origin.'-#');
367 my $buf = $uchan->format_dx_spot(@s);
368 dbg("seeme: result '$buf'") if isdbg('seeme');
369 $uchan->local_send('S', $buf);
371 LogDbg('err',"RBN Someone is playing silly persons $rcall is not a user and cannot do 'seeme', ignored and reset");
379 my $cand = $spots->{$sp};
382 for ($i = $nqrg; !$cand && $i <= $nqrg+$search; $i += 1) {
384 $cand = $spots->{$new}, last if exists $spots->{$new};
387 my $diff = $i - $nqrg;
388 dbg(qq{RBN: QRG Diff using $new (+$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
394 for ($i = $nqrg; !$cand && $i >= $nqrg-$search; $i -= 1) {
396 $cand = $spots->{$new}, last if exists $spots->{$new};
399 my $diff = $nqrg - $i;
400 dbg(qq{RBN: QRG Diff using $new (-$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
405 # if we have one and there is only one slot and that slot's time isn't expired for respot then return
407 if ($cand && ref $cand) {
408 if (@$cand <= CData) {
409 if ($self->{respottime} > 0 && $now - $cand->[CTime] < $self->{respottime}) {
410 dbg("RBN: key: '$sp' call: $call qrg: $qrg DUPE \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
414 dbg("RBN: key: '$sp' RESPOTTING call: $call qrg: $qrg last seen \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
415 $cand->[CTime] = $now;
419 # otherwise we have a spot being built up at the moment
421 dbg("RBN: key '$sp' = '$cand' not ref");
424 # new spot / frequency
425 $spots->{$sp} = $cand = [$now, 0];
426 dbg("RBN: key: '$sp' call: $call qrg: $qrg NEW" . ($respot ? ' RESPOT' : '')) if $dbgrbn && isdbg('rbn');
429 # add me to the display queue unless we are waiting for initial in rush to finish
430 return unless $noinrush || $self->{inrushpreventor} < $main::systime;
432 # build up a new record and store it in the buildup
433 # create record and add into the buildup
434 my $r = [$origin, nearest(.1, $qrg), $call, $mode, $s, $t, $utz, $respot, $u];
435 my @s = Spot::prepare($r->[RQrg], $r->[RCall], $r->[RUtz], '', $r->[ROrigin]);
437 dbg("RBN: ERROR invalid prefix/callsign $call from $origin-# on $qrg, dumped");
441 if ($self->{inrbnfilter}) {
442 my ($want, undef) = $self->{inrbnfilter}->it($s);
445 $r->[RSpotData] = \@s;
447 ++$self->{queue}->{$sp};# unless @$cand>= CData; # queue the KEY (not the record)
449 dbg("RBN: key: '$sp' ADD RECORD call: $call qrg: $qrg origin: $origin respot: $respot") if $dbgrbn && isdbg('rbn');
454 dbg "RBN:DATA,$line" if $dbgrbn && isdbg('rbn');
458 # we should get the spot record minus the time, so just an array of record (arrays)
467 ++$self->{norbnhour};
469 # $r = [$origin, $qrg, $call, $mode, $s, $utz, $respot];
471 my $mode = $cand->[CData]->[RMode]; # as all the modes will be the same;
473 my @dxchan = DXChannel::get_all();
475 foreach my $dxchan (@dxchan) {
476 next unless $dxchan->is_user;
477 my $user = $dxchan->{user};
478 next unless $user && $user->wantrbn;
480 # does this user want this sort of spot at all?
482 ++$want if $user->wantbeacon && $mode =~ /^BCN|DXF/;
483 ++$want if $user->wantcw && $mode =~ /^CW/;
484 ++$want if $user->wantrtty && $mode =~ /^RTT/;
485 ++$want if $user->wantpsk && $mode =~ /^PSK|FSK|MSK/;
486 ++$want if $user->wantft && $mode =~ /^FT/;
488 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",
495 )) if isdbg('rbnll');
497 # send one spot to one user out of the ones that we have
498 $self->dx_spot($dxchan, $quality, $cand) if $want;
508 my $call = $dxchan->{call};
509 my $strength = 100; # because it could if we talk about FTx
515 ++$self->{nousers}->{$call};
516 ++$self->{nousers10}->{$call};
517 ++$self->{nousershour}->{$call};
520 my $rf = $dxchan->{rbnfilter} || $dxchan->{spotsfilter};
523 foreach my $r (@$cand) {
524 # $r = [$origin, $qrg, $call, $mode, $s, $t, $utz, $respot, $qra];
525 # Spot::prepare($qrg, $call, $utz, $comment, $origin);
526 next unless $r && ref $r;
528 $qra = $r->[RQra] if !$qra && $r->[RQra] && is_qra($r->[RQra]);
530 $comment = sprintf "%-3s %2ddB $quality", $r->[RMode], $r->[RStrength];
531 my $s = $r->[RSpotData]; # the prepared spot
532 $s->[SComment] = $comment; # apply new generated comment
534 ++$zone{$s->[SZone]}; # save the spotter's zone
536 # save the lowest strength one
537 if ($r->[RStrength] < $strength) {
538 $strength = $r->[RStrength];
540 dbg("RBN: STRENGTH spot: $s->[SCall] qrg: $s->[SQrg] origin: $s->[SOrigin] dB: $r->[RStrength] < $strength") if isdbg 'rbnll';
544 my ($want, undef) = $rf->it($s);
545 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';
552 $saver = $filtered; # if nothing passed the filter's lips then $saver == $filtered == undef !
557 # create a zone list of spotters
558 delete $zone{$saver->[SZone]}; # remove this spotter's zone (leaving all the other zones)
559 my $z = join ',', sort {$a <=> $b} keys %zone;
561 # alter spot data accordingly
562 $saver->[SComment] .= " Z:$z" if $z;
564 send_final($dxchan, $saver);
568 ++$self->{nospothour};
571 my $user = DXUser::get_current($saver->[SCall]) || DXUser->new($saver->[SCall]);
572 unless ($user->qra && is_qra($user->qra)) {
574 dbg("RBN: update qra on $saver->[SCall] to $qra");
576 # update lastseen if nothing else
586 my $call = $dxchan->{call};
589 dbg("RBN: SENDING to $call spot: $saver->[SCall] qrg: $saver->[SQrg] origin: $saver->[SOrigin] $saver->[SComment]") if isdbg 'rbnll';
590 if ($dxchan->{ve7cc}) {
591 my $call = $saver->[SOrigin];
592 $saver->[SOrigin] .= '-#';
593 $buf = VE7CC::dx_spot($dxchan, @$saver);
594 $saver->[SOrigin] = $call;
596 my $call = $saver->[SOrigin];
597 $saver->[SOrigin] = substr($call, 0, 6);
598 $saver->[SOrigin] .= '-#';
599 $buf = $dxchan->format_dx_spot(@$saver);
600 $saver->[SOrigin] = $call;
602 $dxchan->local_send('R', $buf);
608 my $rbnskim = isdbg('rbnskim');
610 foreach my $dxchan (DXChannel::get_all()) {
611 next unless $dxchan->is_rbn;
613 # At this point we run the queue to see if anything can be sent onwards to the punter
614 my $now = $main::systime;
615 my $ta = [gettimeofday];
618 # now run the waiting queue which just contains KEYS ($call|$qrg)
619 foreach my $sp (keys %{$dxchan->{queue}}) {
620 my $cand = $spots->{$sp};
623 unless ($cand && $cand->[CTime]) {
624 dbg "RBN Cand $sp " . ($cand ? 'def' : 'undef') . " [CTime] " . ($cand->[CTime] ? 'def' : 'undef') . " dwell $dwelltime";
625 delete $spots->{$sp};
626 delete $dxchan->{queue}->{$sp}; # remove
630 my $ctime = $cand->[CTime];
631 my $quality = @$cand - CData;
632 my $dwellsecs = $now - $ctime;
633 if ($quality >= $maxqual || $dwellsecs >= $dwelltime || $dwellsecs >= $limbotime) {
634 # we have a candidate, create qualitee value(s);
635 unless (@$cand > CData) {
636 dbg "RBN: QUEUE key '$sp' MISSING RECORDS, IGNORED" . dd($cand) if isdbg 'rbnqueue';
637 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
638 delete $dxchan->{queue}->{$sp};
641 dbg "RBN: QUEUE PROCESSING key: '$sp' $now >= $cand->[CTime]" if isdbg 'rbnqueue';
642 my $spotters = $quality;
644 # 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
645 my $r = $cand->[CData];
646 if ($dwellsecs > $limbotime && $quality < $minqual) {
647 if ( $rbnskim && isdbg('rbnskim')) {
650 my $lastin = difft($ctime, $now, 2);
651 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}";
655 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
656 delete $dxchan->{queue}->{$sp};
660 # we have a possible removal from Limbo, check for more than one skimmer and reset the quality if required
661 # DOES THIS TEST CAUSE RACES?
662 if (!$r->[Respot] && $quality >= $minqual && $dwellsecs > $dwelltime+1) {
664 # because we don't need to check for repeats by the same skimmer in the normal case, we do here
667 foreach my $wr (@$cand) {
669 push @origin, $wr->[ROrigin];
670 if (exists $seen{$wr->[ROrigin]}) {
673 $seen{$wr->[ROrigin]} = $wr;
675 # reset the quality to ignore dupes
677 $quality = keys %seen;
678 if ($quality >= $minqual) {
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 $s = "RBN:SKIM promoted from Limbo - key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk";
684 $s .= " was $or" if $or ne $sk;
688 } elsif ($oq != $quality) {
689 if ( $rbnskim && isdbg('rbnskim')) {
690 my $lastin = difft($ctime, $now, 2);
691 my $sk = join ' ', keys %seen;
692 my $or = join ' ', @origin;
693 my $s = "RBN:SKIM quality reset key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk was: $or)";
697 my @ncand = (@$cand[CTime, CQual], values %seen);
698 $spots->{$sp} = \@ncand;
702 # we now kick this spot into Limbo
703 if ($quality < $minqual) {
707 $quality = 9 if $quality > 9;
708 $cand->[CQual] = $quality if $quality > $cand->[CQual];
710 # this scores each candidate according to its skimmer's QRG score (i.e. how often it agrees with its peers)
711 # what happens is hash of all QRGs in candidates are incremented by that skimmer's reputation for "accuracy"
712 # or, more exactly, past agreement with the consensus. This score can be from -5 -> +5.
718 foreach $r (@$cand) {
720 if (exists $seen{$r->[ROrigin]}) {
724 $seen{$r->[ROrigin]} = 1;
725 $band ||= int $r->[RQrg] / 1000;
726 $sk = "SKIM|$r->[ROrigin]|$band"; # thus only once per set of candidates
727 $skimmer = $spots->{$sk};
729 $skimmer = $spots->{$sk} = [1, 0, 0, $now, []]; # this first time, this new skimmer gets the benefit of the doubt on frequency.
730 dbg("RBN:SKIM new slot $sk " . $json->encode($skimmer)) if $rbnskim && isdbg('rbnskim');
732 $qrg{$r->[RQrg]} += ($skimmer->[DScore] || 1);
735 # determine the most likely qrg and then set it - NOTE (-)ve votes, generated by the skimmer scoring system above, are ignored
740 while (my ($k, $votes) = each %qrg) {
748 # Ignore possible spots with 0 QRG score - as determined by the skimmer scoring system above - as they are likely to be wrong
750 if ( $rbnskim && isdbg('rbnskim')) {
752 while (my ($k, $v) = (each %qrg)) {
757 foreach $r (@$cand) {
758 next unless $r && ref $r;
759 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";
763 delete $spots->{$sp}; # get rid
764 delete $dxchan->{queue}->{$sp};
768 # detemine and spit out the deviants. Then adjust the scores according to whether it is a deviant or good
769 # NOTE: deviant nodes can become good (or less bad), and good nodes bad (or less good) on each spot that
770 # they generate. This is based solely on each skimmer's agreement (or not) with the "consensus" score generated
771 # above ($qrg). The resultant score + good + bad is stored per band and will be used the next time a spot
772 # appears on this band from each skimmer.
773 foreach $r (@$cand) {
774 next unless $r && ref $r;
775 my $diff = $c > 1 ? nearest(.1, $r->[RQrg] - $qrg) : 0;
776 $sk = "SKIM|$r->[ROrigin]|$band";
777 $skimmer = $spots->{$sk};
779 ++$skimmer->[DBad] if $skimmer->[DBad] < $maxdeviants;
780 --$skimmer->[DGood] if $skimmer->[DGood] > 0;
781 push @deviant, sprintf("$r->[ROrigin]:%+.1f", $diff);
782 push @{$skimmer->[DEviants]}, $diff;
783 shift @{$skimmer->[DEviants]} while @{$skimmer->[DEviants]} > $maxdeviants;
785 ++$skimmer->[DGood] if $skimmer->[DGood] < $maxdeviants;
786 --$skimmer->[DBad] if $skimmer->[DBad] > 0;
787 shift @{$skimmer->[DEviants]};
789 $skimmer->[DScore] = $skimmer->[DGood] - $skimmer->[DBad];
790 if ($rbnskim && isdbg('rbnskim')) {
791 my $lastin = difft($skimmer->[DLastin], $now, 2);
792 my $difflist = join(', ', @{$skimmer->[DEviants]});
793 $difflist = " band qrg diffs: $difflist" if $difflist;
794 dbg("RBN:SKIM key $sp slot $sk $r->[RQrg] - $qrg = $diff Skimmer score: $skimmer->[DGood] - $skimmer->[DBad] = $skimmer->[DScore] lastseen:$lastin ago$difflist");
796 $skimmer->[DLastin] = $now;
797 $r->[RSpotData]->[SQrg] = $qrg if $qrg && $c > 1; # set all the QRGs to the agreed value
800 $qrg = (sprintf "%.1f", $qrg)+0;
803 my $squality = "Q:$cand->[CQual]";
804 $squality .= '*' if $c > 1;
805 $squality .= '+' if $r->[Respot];
807 if (isdbg('progress')) {
808 my $rt = difft($ctime, $now, 2);
809 my $s = "RBN: SPOT key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] $squality route: $dxchan->{call} dwell:$rt";
811 $s .= " QRGScore: $mv Deviants: $td/$spotters";
812 $s .= ' (' . join(', ', sort @deviant) . ')' if $td;
816 # finally send it out to any waiting public
817 send_dx_spot($dxchan, $squality, $cand);
819 # clear out the data and make this now just "spotted", but no further action required until respot time
820 dbg "RBN: QUEUE key '$sp' cleared" if isdbg 'rbn';
822 delete $dxchan->{queue}->{$sp};
824 # calculate new sp (which will be 70% likely the same as the old one)
825 # 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.
826 # and we want to store the key that corresponds to majority opinion.
827 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
828 my $nsp = "$r->[RCall]|$nqrg";
830 dbg("RBN:SKIM CHANGE KEY sp '$sp' -> '$nsp' for storage") if $rbnskim && isdbg('rbnskim');
831 delete $spots->{$sp};
832 $spots->{$nsp} = [$now, $cand->[CQual]];
834 $spots->{$sp} = [$now, $cand->[CQual]];
838 dbg sprintf("RBN: QUEUE key: '$sp' SEND time not yet reached %.1f secs left", $cand->[CTime] + $dwelltime - $now) if isdbg 'rbnqueue';
841 if (isdbg('rbntimer')) {
842 my $diff = _diffus($ta);
843 dbg "RBN: TIMER process queue for call: $dxchan->{call} $items spots $diff uS";
850 foreach my $dxchan (DXChannel::get_all()) {
851 next unless $dxchan->is_rbn;
852 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');
853 if ($dxchan->{noraw} == 0 && $dxchan->{lasttime} > 60) {
854 LogDbg('err', "RBN: no input from $dxchan->{call}, disconnecting");
857 $dxchan->{noraw} = $dxchan->{norbn} = $dxchan->{nospot} = 0; $dxchan->{nousers} = {};
858 $runtime{$dxchan->{call}} += 60;
861 # save the spot cache
862 write_cache() unless $main::systime + $startup_delay < $main::systime;;
869 while (my ($k,$cand) = each %{$spots}) {
870 next if $k eq 'VERSION';
871 next if $k =~ /^O\|/;
872 next if $k =~ /^SKIM\|/;
874 if ($main::systime - $cand->[CTime] > $cachetime) {
882 dbg "RBN:STATS spot cache remain: $count removed: $removed"; # if isdbg('rbn');
883 foreach my $dxchan (DXChannel::get_all()) {
884 next unless $dxchan->is_rbn;
885 my $nq = keys %{$dxchan->{queue}};
886 my $pc = $dxchan->{noraw10} ? sprintf("%.1f%%",$dxchan->{norbn10}*100/$dxchan->{noraw10}) : '0.0%';
887 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}};
888 $dxchan->{noraw10} = $dxchan->{norbn10} = $dxchan->{nospot10} = 0; $dxchan->{nousers10} = {};
894 foreach my $dxchan (DXChannel::get_all()) {
895 next unless $dxchan->is_rbn;
896 my $nq = keys %{$dxchan->{queue}};
897 my $pc = $dxchan->{norawhour} ? sprintf("%.1f%%",$dxchan->{norbnhour}*100/$dxchan->{norawhour}) : '0.0%';
898 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}};
899 $dxchan->{norawhour} = $dxchan->{norbnhour} = $dxchan->{nospothour} = 0; $dxchan->{nousershour} = {};
912 my $ta = [ gettimeofday ];
914 $json->indent(1)->canonical(1) if isdbg 'rbncache';
915 my $s = eval {$json->encode($spots)};
917 my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
921 dbg("RBN:Write_cache error '$@'");
924 $json->indent(0)->canonical(0);
925 my $diff = _diffms($ta);
926 my $size = sprintf('%.3fKB', (length($s) / 1000));
927 dbg("RBN:WRITE_CACHE size: $size time to write: $diff mS");
933 my $mt = (stat($cachefn))[9];
934 my $t = $main::systime - $mt || 1;
935 my $p = difft($mt, 2);
936 if ($t < $cache_valid) {
937 dbg("RBN:check_cache '$cachefn' spot cache exists, created $p ago and not too old");
938 my $fh = IO::File->new($cachefn);
943 dbg("RBN:check_cache cache read size " . length $s);
946 dbg("RBN:check_cache file read error $!");
950 eval {$spots = $json->decode($s)};
951 if ($spots && ref $spots) {
952 if (exists $spots->{VERSION} && $spots->{VERSION} == $DATA_VERSION) {
953 # now clean out anything that has spot build ups in progress
954 while (my ($k, $cand) = each %$spots) {
955 next if $k eq 'VERSION';
956 next if $k =~ /^O\|/;
957 next if $k =~ /^SKIM\|/;
958 if (@$cand > CData) {
959 $spots->{$k} = [$cand->[CTime], $cand->[CQual]];
962 dbg("RBN:check_cache spot cache restored");
966 dbg("RBN::checkcache error decoding $@");
969 my $d = difft($main::systime-$cache_valid);
970 dbg("RBN::checkcache '$cachefn' created $p ago is too old (> $d), ignored");
973 dbg("RBN:check_cache '$cachefn' spot cache not present");
982 my $base = basecall($call);
983 my $ref = $seeme{$base} || [];
984 push @$ref, $call unless grep $_ eq $call, @$ref;
985 $seeme{$base} = $ref;
991 my $base = basecall($call);
992 my $ref = $seeme{$base};
993 return unless $ref && @$ref;
995 @$ref = grep {$_ ne $call} @$ref;
997 $seeme{$base} = $ref;
999 delete $seeme{basecall($call)};