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 $minspottime = 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 minspottime has passed.
83 our $beacontime = 5*60; # same as minspottime, but for beacons (and shorter)
85 our $dwelltime = 10; # the amount of time to wait for duplicates before issuing
86 # a spot to the user (no doubt waiting with bated breath).
88 our $limbotime = 5*60; # if there are fewer than $minqual candidates and $dwelltime
89 # has expired then allow this spot to live a bit longer. It may
90 # simply be that it is not in standard spot coverage. (ask G4PIQ
93 our $filterdef = $Spot::filterdef; # we use the same filter as the Spot system. Can't think why :-).
95 my $spots; # the GLOBAL spot cache
97 my %runtime; # how long each channel has been running
99 our $cachefn = localdata('rbn_cache');
100 our $cache_valid = 4*60; # The cache file is considered valid if it is not more than this old
102 our $maxqrgdiff = 10; # the maximum
103 our $minqual = 2; # the minimum quality we will accept for output
104 our $maxqual = 9; # if there is enough quality, then short circuit any remaining dwelltime.
107 my $noinrush = 0; # override the inrushpreventor if set
108 our $maxdeviants = 5; # the number of deviant QRGs to record for skimmer records
117 $spots = {VERSION=>$DATA_VERSION};
119 if (defined $DB::VERSION) {
128 my $self = DXChannel::alloc(@_);
130 # routing, this must go out here to prevent race condx
137 $self->{nouser} = {};
139 $self->{noraw10} = 0;
140 $self->{nospot10} = 0;
141 $self->{nouser10} = {};
142 $self->{norbn10} = 0;
143 $self->{nospothour} = 0;
144 $self->{nouserhour} = {};
145 $self->{norbnhour} = 0;
146 $self->{norawhour} = 0;
148 $self->{lasttime} = $main::systime;
149 $self->{minspottime} = $minspottime;
150 $self->{beacontime} = $beacontime;
151 $self->{showstats} = 0;
152 $self->{pingint} = 0;
153 $self->{nopings} = 0;
161 my ($self, $line, $sort) = @_;
162 my $user = $self->{user};
163 my $call = $self->{call};
164 my $name = $user->{name};
167 my $host = $self->{conn}->peerhost;
169 $self->{hostname} = $host;
171 $self->{name} = $name ? $name : $call;
172 $self->state('prompt'); # a bit of room for further expansion, passwords etc
173 $self->{lang} = $user->lang || $main::lang || 'en';
174 if ($line =~ /host=/) {
175 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
176 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
178 ($h) = $line =~ /host=([\da..fA..F:]+)/;
179 $line =~ s/\s*host=[\da..fA..F:]+// if $h;
183 $self->{hostname} = $h;
186 $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
187 $self->{consort} = $line; # save the connection type
189 LogDbg('DXCommand', "$call connected from $self->{hostname}");
191 # set some necessary flags on the user if they are connecting
192 $self->{registered} = 1;
193 # sort out privilege reduction
198 $nossid =~ s/-\d+$//;
200 $self->{inrbnfilter} = Filter::read_in('rbn', $call, 1)
201 || Filter::read_in('rbn', 'node_default', 1);
203 # clean up qra locators
204 my $qra = $user->qra;
205 $qra = undef if ($qra && !DXBearing::is_qra($qra));
207 my $lat = $user->lat;
208 my $long = $user->long;
209 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
212 # if we have been running and stopped for a while
213 # if the cache is warm enough don't operate the inrush preventor
214 $self->{inrushpreventor} = exists $runtime{$call} && $runtime{$call} > $startup_delay || $noinrush ? 0 : $main::systime + $startup_delay;
215 dbg("RBN: noinrush: $noinrush, setting inrushpreventor on $self->{call} to $self->{inrushpreventor}");
218 my @queue; # the queue of spots ready to send
225 my $dbgrbn = isdbg('rbn');
227 # remove leading and trailing spaces
234 my $now = $main::systime;
237 dbg "RBN:RAW,$line" if isdbg('rbnraw');
238 return unless $line=~/^DX\s+de/;
240 my (undef, undef, $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t, $tx) = split /[:\s]+/, $line;
242 # fix up FT8 spots from 7001
243 $t = $u, $u = '' if !$t && is_ztime($u);
244 $t = $sort, $sort = '' if !$t && is_ztime($sort);
245 my $qra = $spd, $spd = '' if is_qra($spd);
248 # is this anything like a callsign?
249 unless (is_callsign($call)) {
250 dbg("RBN: ERROR $call from $origin on $qrg is invalid, dumped");
254 # remove all extraneous crap from the origin - just leave the base callsign
255 $origin = basecall($origin);
257 dbg("RBN: ERROR '$origin' is an invalid callsign, dumped");
261 # is this callsign in badspotter list?
262 if ($DXProt::badspotter->in($origin) || $DXProt::badnode->in($origin)) {
263 dbg("RBN: ERROR $origin is a bad spotter/node, dumped");
268 unless ($qrg =~ /^\d+\.\d{1,3}$/) {
269 dbg("RBN: ERROR qrg $qrg from $origin invalid, dumped");
276 dbg qq{RBN:input decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if $dbgrbn && isdbg('rbn');
280 ++$self->{norawhour};
286 # fix up times for things like 'NXDXF B' etc
287 if ($tx && is_ztime($t)) {
296 if ($sort && $sort eq 'NCDXF') {
300 if ($sort && $sort eq 'BEACON') {
303 if ($mode =~ /^PSK/) {
306 if ($mode eq 'RTTY') {
310 # The main de-duping key is [call, $frequency], but we probe a bit around that frequency to find a
311 # range of concurrent frequencies that might be in play.
313 # The key to this is deducing the true callsign by "majority voting" (the greater the number of spotters
314 # the more effective this is) together with some lexical analsys probably in conjuction with DXSpider
315 # 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)
316 # and some heuristical "Kwalitee" rating given distance from the zone centres of spotter, recipient user
317 # and spotted. A map can be generated once per user and spotter as they are essentially mostly static.
318 # The spotted will only get a coarse position unless other info is available. Programs that parse
319 # DX bulletins and the online data online databases could be be used and then cached.
321 # Obviously users have to opt in to receiving RBN spots and other users will simply be passed over and
324 # Clearly this will only work in the 'mojo' branch of DXSpider where it is possible to pass off external
325 # data requests to ephemeral or semi resident forked processes that do any grunt work and the main
326 # process to just the standard "message passing" which has been shown to be able to sustain over 5000
327 # per second (limited by the test program's output and network speed, rather than DXSpider's handling).
330 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
331 my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
334 my $cand = $spots->{$sp};
337 for ($i = $nqrg; !$cand && $i <= $nqrg+$search; $i += 1) {
339 $cand = $spots->{$new}, last if exists $spots->{$new};
342 my $diff = $i - $nqrg;
343 dbg(qq{RBN: QRG Diff using $new (+$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
349 for ($i = $nqrg; !$cand && $i >= $nqrg-$search; $i -= 1) {
351 $cand = $spots->{$new}, last if exists $spots->{$new};
354 my $diff = $nqrg - $i;
355 dbg(qq{RBN: QRG Diff using $new (-$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || ($dbgrbn && isdbg('rbn')));
360 # if we have one and there is only one slot and that slot's time isn't expired for respot then return
362 if ($cand && ref $cand) {
363 if (@$cand <= CData) {
364 if ($self->{minspottime} > 0 && $now - $cand->[CTime] < $self->{minspottime}) {
365 dbg("RBN: key: '$sp' call: $call qrg: $qrg DUPE \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
369 dbg("RBN: key: '$sp' RESPOTTING call: $call qrg: $qrg last seen \@ ". atime(int $cand->[CTime])) if $dbgrbn && isdbg('rbn');
370 $cand->[CTime] = $now;
374 # otherwise we have a spot being built up at the moment
376 dbg("RBN: key '$sp' = '$cand' not ref");
379 # new spot / frequency
380 $spots->{$sp} = $cand = [$now, 0];
381 dbg("RBN: key: '$sp' call: $call qrg: $qrg NEW" . ($respot ? ' RESPOT' : '')) if $dbgrbn && isdbg('rbn');
384 # add me to the display queue unless we are waiting for initial in rush to finish
385 return unless $noinrush || $self->{inrushpreventor} < $main::systime;
387 # build up a new record and store it in the buildup
388 # deal with the unix time
389 my ($hh,$mm) = $t =~ /(\d\d)(\d\d)Z$/;
390 my $utz = $hh*3600 + $mm*60 + $main::systime_daystart; # possible issue with late spot from previous day
391 $utz -= 86400 if $utz > $now+3600; # too far ahead, drag it back one day
393 # create record and add into the buildup
394 my $r = [$origin, nearest(.1, $qrg), $call, $mode, $s, $t, $utz, $respot, $u];
395 my @s = Spot::prepare($r->[RQrg], $r->[RCall], $r->[RUtz], '', $r->[ROrigin]);
397 dbg("RBN: ERROR invalid prefix/callsign $call from $origin-# on $qrg, dumped");
401 if ($self->{inrbnfilter}) {
402 my ($want, undef) = $self->{inrbnfilter}->it($s);
405 $r->[RSpotData] = \@s;
407 ++$self->{queue}->{$sp};# unless @$cand>= CData; # queue the KEY (not the record)
409 dbg("RBN: key: '$sp' ADD RECORD call: $call qrg: $qrg origin: $origin respot: $respot") if $dbgrbn && isdbg('rbn');
414 dbg "RBN:DATA,$line" if $dbgrbn && isdbg('rbn');
418 # we should get the spot record minus the time, so just an array of record (arrays)
427 ++$self->{norbnhour};
429 # $r = [$origin, $qrg, $call, $mode, $s, $utz, $respot];
431 my $mode = $cand->[CData]->[RMode]; # as all the modes will be the same;
433 my @dxchan = DXChannel::get_all();
435 foreach my $dxchan (@dxchan) {
436 next unless $dxchan->is_user;
437 my $user = $dxchan->{user};
438 next unless $user && $user->wantrbn;
440 # does this user want this sort of spot at all?
442 ++$want if $user->wantbeacon && $mode =~ /^BCN|DXF/;
443 ++$want if $user->wantcw && $mode =~ /^CW/;
444 ++$want if $user->wantrtty && $mode =~ /^RTT/;
445 ++$want if $user->wantpsk && $mode =~ /^PSK|FSK|MSK/;
446 ++$want if $user->wantft && $mode =~ /^FT/;
448 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",
455 )) if isdbg('rbnll');
457 # send one spot to one user out of the ones that we have
458 $self->dx_spot($dxchan, $quality, $cand) if $want;
468 my $call = $dxchan->{call};
469 my $seeme = $dxchan->user->rbnseeme();
470 my $strength = 100; # because it could if we talk about FTx
476 ++$self->{nousers}->{$call};
477 ++$self->{nousers10}->{$call};
478 ++$self->{nousershour}->{$call};
481 my $rf = $dxchan->{rbnfilter} || $dxchan->{spotsfilter};
484 foreach my $r (@$cand) {
485 # $r = [$origin, $qrg, $call, $mode, $s, $t, $utz, $respot, $qra];
486 # Spot::prepare($qrg, $call, $utz, $comment, $origin);
487 next unless $r && ref $r;
489 $qra = $r->[RQra] if !$qra && $r->[RQra] && is_qra($r->[RQra]);
491 $comment = sprintf "%-3s %2ddB $quality", $r->[RMode], $r->[RStrength];
492 my $s = $r->[RSpotData]; # the prepared spot
493 $s->[SComment] = $comment; # apply new generated comment
495 ++$zone{$s->[SZone]}; # save the spotter's zone
497 # if the 'see me' flag is set, then show all the spots without further adornment (see set/rbnseeme for more info)
499 send_final($dxchan, $s);
503 # save the lowest strength one
504 if ($r->[RStrength] < $strength) {
505 $strength = $r->[RStrength];
507 dbg("RBN: STRENGTH spot: $s->[SCall] qrg: $s->[SQrg] origin: $s->[SOrigin] dB: $r->[RStrength] < $strength") if isdbg 'rbnll';
511 my ($want, undef) = $rf->it($s);
512 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';
519 $saver = $filtered; # if nothing passed the filter's lips then $saver == $filtered == undef !
524 # create a zone list of spotters
525 delete $zone{$saver->[SZone]}; # remove this spotter's zone (leaving all the other zones)
526 my $z = join ',', sort {$a <=> $b} keys %zone;
528 # alter spot data accordingly
529 $saver->[SComment] .= " Z:$z" if $z;
531 send_final($dxchan, $saver);
535 ++$self->{nospothour};
538 my $user = DXUser::get_current($saver->[SCall]) || DXUser->new($saver->[SCall]);
539 unless ($user->qra && is_qra($user->qra)) {
541 dbg("RBN: update qra on $saver->[SCall] to $qra");
552 my $call = $dxchan->{call};
555 dbg("RBN: SENDING to $call spot: $saver->[SCall] qrg: $saver->[SQrg] origin: $saver->[SOrigin] $saver->[SComment]") if isdbg 'rbnll';
556 if ($dxchan->{ve7cc}) {
557 my $call = $saver->[SOrigin];
558 $saver->[SOrigin] .= '-#';
559 $buf = VE7CC::dx_spot($dxchan, @$saver);
560 $saver->[SOrigin] = $call;
562 my $call = $saver->[SOrigin];
563 $saver->[SOrigin] = substr($call, 0, 6);
564 $saver->[SOrigin] .= '-#';
565 $buf = $dxchan->format_dx_spot(@$saver);
566 $saver->[SOrigin] = $call;
568 $dxchan->local_send('N', $buf);
574 my $rbnskim = isdbg('rbnskim');
576 foreach my $dxchan (DXChannel::get_all()) {
577 next unless $dxchan->is_rbn;
579 # At this point we run the queue to see if anything can be sent onwards to the punter
580 my $now = $main::systime;
581 my $ta = [gettimeofday];
584 # now run the waiting queue which just contains KEYS ($call|$qrg)
585 foreach my $sp (keys %{$dxchan->{queue}}) {
586 my $cand = $spots->{$sp};
589 unless ($cand && $cand->[CTime]) {
590 dbg "RBN Cand $sp " . ($cand ? 'def' : 'undef') . " [CTime] " . ($cand->[CTime] ? 'def' : 'undef') . " dwell $dwelltime";
591 delete $spots->{$sp};
592 delete $dxchan->{queue}->{$sp}; # remove
596 my $ctime = $cand->[CTime];
597 my $quality = @$cand - CData;
598 my $dwellsecs = $now - $ctime;
599 if ($quality >= $maxqual || $dwellsecs >= $dwelltime || $dwellsecs >= $limbotime) {
600 # we have a candidate, create qualitee value(s);
601 unless (@$cand > CData) {
602 dbg "RBN: QUEUE key '$sp' MISSING RECORDS, IGNORED" . dd($cand) if isdbg 'rbnqueue';
603 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
604 delete $dxchan->{queue}->{$sp};
607 dbg "RBN: QUEUE PROCESSING key: '$sp' $now >= $cand->[CTime]" if isdbg 'rbnqueue';
608 my $spotters = $quality;
610 # 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
611 my $r = $cand->[CData];
612 if ($dwellsecs > $limbotime && $quality < $minqual) {
613 if ( $rbnskim && isdbg('rbnskim')) {
616 my $lastin = difft($ctime, $now, 2);
617 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}";
621 delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
622 delete $dxchan->{queue}->{$sp};
626 # we have a possible removal from Limbo, check for more than one skimmer and reset the quality if required
627 # DOES THIS TEST CAUSE RACES?
628 if (!$r->[Respot] && $quality >= $minqual && $dwellsecs > $dwelltime+1) {
630 # because we don't need to check for repeats by the same skimmer in the normal case, we do here
633 foreach my $wr (@$cand) {
635 push @origin, $wr->[ROrigin];
636 if (exists $seen{$wr->[ROrigin]}) {
639 $seen{$wr->[ROrigin]} = $wr;
641 # reset the quality to ignore dupes
643 $quality = keys %seen;
644 if ($quality >= $minqual) {
645 if ( $rbnskim && isdbg('rbnskim')) {
646 my $lastin = difft($ctime, $now, 2);
647 my $sk = join ' ', keys %seen;
648 my $or = join ' ', @origin;
649 my $s = "RBN:SKIM promoted from Limbo - key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk";
650 $s .= " was $or" if $or ne $sk;
654 } elsif ($oq != $quality) {
655 if ( $rbnskim && isdbg('rbnskim')) {
656 my $lastin = difft($ctime, $now, 2);
657 my $sk = join ' ', keys %seen;
658 my $or = join ' ', @origin;
659 my $s = "RBN:SKIM quality reset key: '$sp' (lastin: $lastin Q now: $quality was $oq skimmers now: $sk was: $or)";
663 my @ncand = (@$cand[CTime, CQual], values %seen);
664 $spots->{$sp} = \@ncand;
668 # we now kick this spot into Limbo
669 if ($quality < $minqual) {
673 $quality = 9 if $quality > 9;
674 $cand->[CQual] = $quality if $quality > $cand->[CQual];
676 # this scores each candidate according to its skimmer's QRG score (i.e. how often it agrees with its peers)
677 # what happens is hash of all QRGs in candidates are incremented by that skimmer's reputation for "accuracy"
678 # or, more exactly, past agreement with the consensus. This score can be from -5 -> +5.
684 foreach $r (@$cand) {
686 if (exists $seen{$r->[ROrigin]}) {
690 $seen{$r->[ROrigin]} = 1;
691 $band ||= int $r->[RQrg] / 1000;
692 $sk = "SKIM|$r->[ROrigin]|$band"; # thus only once per set of candidates
693 $skimmer = $spots->{$sk};
695 $skimmer = $spots->{$sk} = [1, 0, 0, $now, []]; # this first time, this new skimmer gets the benefit of the doubt on frequency.
696 dbg("RBN:SKIM new slot $sk " . $json->encode($skimmer)) if $rbnskim && isdbg('rbnskim');
698 $qrg{$r->[RQrg]} += ($skimmer->[DScore] || 1);
701 # determine the most likely qrg and then set it - NOTE (-)ve votes, generated by the skimmer scoring system above, are ignored
706 while (my ($k, $votes) = each %qrg) {
714 # Ignore possible spots with 0 QRG score - as determined by the skimmer scoring system above - as they are likely to be wrong
716 if ( $rbnskim && isdbg('rbnskim')) {
718 while (my ($k, $v) = (each %qrg)) {
723 foreach $r (@$cand) {
724 next unless $r && ref $r;
725 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";
729 delete $spots->{$sp}; # get rid
730 delete $dxchan->{queue}->{$sp};
734 # detemine and spit out the deviants. Then adjust the scores according to whether it is a deviant or good
735 # NOTE: deviant nodes can become good (or less bad), and good nodes bad (or less good) on each spot that
736 # they generate. This is based solely on each skimmer's agreement (or not) with the "consensus" score generated
737 # above ($qrg). The resultant score + good + bad is stored per band and will be used the next time a spot
738 # appears on this band from each skimmer.
739 foreach $r (@$cand) {
740 next unless $r && ref $r;
741 my $diff = $c > 1 ? nearest(.1, $r->[RQrg] - $qrg) : 0;
742 $sk = "SKIM|$r->[ROrigin]|$band";
743 $skimmer = $spots->{$sk};
745 ++$skimmer->[DBad] if $skimmer->[DBad] < $maxdeviants;
746 --$skimmer->[DGood] if $skimmer->[DGood] > 0;
747 push @deviant, sprintf("$r->[ROrigin]:%+.1f", $diff);
748 push @{$skimmer->[DEviants]}, $diff;
749 shift @{$skimmer->[DEviants]} while @{$skimmer->[DEviants]} > $maxdeviants;
751 ++$skimmer->[DGood] if $skimmer->[DGood] < $maxdeviants;
752 --$skimmer->[DBad] if $skimmer->[DBad] > 0;
753 shift @{$skimmer->[DEviants]};
755 $skimmer->[DScore] = $skimmer->[DGood] - $skimmer->[DBad];
756 if ($rbnskim && isdbg('rbnskim')) {
757 my $lastin = difft($skimmer->[DLastin], $now, 2);
758 my $difflist = join(', ', @{$skimmer->[DEviants]});
759 $difflist = " band qrg diffs: $difflist" if $difflist;
760 dbg("RBN:SKIM key $sp slot $sk $r->[RQrg] - $qrg = $diff Skimmer score: $skimmer->[DGood] - $skimmer->[DBad] = $skimmer->[DScore] lastseen:$lastin ago$difflist");
762 $skimmer->[DLastin] = $now;
763 $r->[RSpotData]->[SQrg] = $qrg if $qrg && $c > 1; # set all the QRGs to the agreed value
766 $qrg = (sprintf "%.1f", $qrg)+0;
769 my $squality = "Q:$cand->[CQual]";
770 $squality .= '*' if $c > 1;
771 $squality .= '+' if $r->[Respot];
773 if (isdbg('progress')) {
774 my $rt = difft($ctime, $now, 2);
775 my $s = "RBN: SPOT key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] $squality route: $dxchan->{call} dwell:$rt";
777 $s .= " QRGScore: $mv Deviants: $td/$spotters";
778 $s .= ' (' . join(', ', sort @deviant) . ')' if $td;
782 # finally send it out to any waiting public
783 send_dx_spot($dxchan, $squality, $cand);
785 # clear out the data and make this now just "spotted", but no further action required until respot time
786 dbg "RBN: QUEUE key '$sp' cleared" if isdbg 'rbn';
788 delete $dxchan->{queue}->{$sp};
790 # calculate new sp (which will be 70% likely the same as the old one)
791 # 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.
792 # and we want to store the key that corresponds to majority opinion.
793 my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
794 my $nsp = "$r->[RCall]|$nqrg";
796 dbg("RBN:SKIM CHANGE KEY sp '$sp' -> '$nsp' for storage") if $rbnskim && isdbg('rbnskim');
797 delete $spots->{$sp};
798 $spots->{$nsp} = [$now, $cand->[CQual]];
800 $spots->{$sp} = [$now, $cand->[CQual]];
804 dbg sprintf("RBN: QUEUE key: '$sp' SEND time not yet reached %.1f secs left", $cand->[CTime] + $dwelltime - $now) if isdbg 'rbnqueue';
807 if (isdbg('rbntimer')) {
808 my $diff = _diffus($ta);
809 dbg "RBN: TIMER process queue for call: $dxchan->{call} $items spots $diff uS";
816 foreach my $dxchan (DXChannel::get_all()) {
817 next unless $dxchan->is_rbn;
818 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');
819 if ($dxchan->{noraw} == 0 && $dxchan->{lasttime} > 60) {
820 LogDbg('RBN', "RBN: no input from $dxchan->{call}, disconnecting");
823 $dxchan->{noraw} = $dxchan->{norbn} = $dxchan->{nospot} = 0; $dxchan->{nousers} = {};
824 $runtime{$dxchan->{call}} += 60;
827 # save the spot cache
828 write_cache() unless $main::systime + $startup_delay < $main::systime;;
835 while (my ($k,$cand) = each %{$spots}) {
836 next if $k eq 'VERSION';
837 next if $k =~ /^O\|/;
838 next if $k =~ /^SKIM\|/;
840 if ($main::systime - $cand->[CTime] > $minspottime*2) {
848 dbg "RBN:STATS spot cache remain: $count removed: $removed"; # if isdbg('rbn');
849 foreach my $dxchan (DXChannel::get_all()) {
850 next unless $dxchan->is_rbn;
851 my $nq = keys %{$dxchan->{queue}};
852 my $pc = $dxchan->{noraw10} ? sprintf("%.1f%%",$dxchan->{norbn10}*100/$dxchan->{noraw10}) : '0.0%';
853 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}};
854 $dxchan->{noraw10} = $dxchan->{norbn10} = $dxchan->{nospot10} = 0; $dxchan->{nousers10} = {};
860 foreach my $dxchan (DXChannel::get_all()) {
861 next unless $dxchan->is_rbn;
862 my $nq = keys %{$dxchan->{queue}};
863 my $pc = $dxchan->{norawhour} ? sprintf("%.1f%%",$dxchan->{norbnhour}*100/$dxchan->{norawhour}) : '0.0%';
864 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}};
865 $dxchan->{norawhour} = $dxchan->{norbnhour} = $dxchan->{nospothour} = 0; $dxchan->{nousershour} = {};
876 my $ta = [ gettimeofday ];
877 $json->indent(1)->canonical(1) if isdbg 'rbncache';
878 my $s = eval {$json->encode($spots)};
880 my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
884 dbg("RBN:Write_cache error '$@'");
887 $json->indent(0)->canonical(0);
888 my $diff = _diffms($ta);
889 my $size = sprintf('%.3fKB', (length($s) / 1000));
890 dbg("RBN:WRITE_CACHE size: $size time to write: $diff mS");
896 my $mt = (stat($cachefn))[9];
897 my $t = $main::systime - $mt || 1;
898 my $p = difft($mt, 2);
899 if ($t < $cache_valid) {
900 dbg("RBN:check_cache '$cachefn' spot cache exists, created $p ago and not too old");
901 my $fh = IO::File->new($cachefn);
906 dbg("RBN:check_cache cache read size " . length $s);
909 dbg("RBN:check_cache file read error $!");
913 eval {$spots = $json->decode($s)};
914 if ($spots && ref $spots) {
915 if (exists $spots->{VERSION} && $spots->{VERSION} == $DATA_VERSION) {
916 # now clean out anything that has spot build ups in progress
917 while (my ($k, $cand) = each %$spots) {
918 next if $k eq 'VERSION';
919 next if $k =~ /^O\|/;
920 next if $k =~ /^SKIM\|/;
921 if (@$cand > CData) {
922 $spots->{$k} = [$cand->[CTime], $cand->[CQual]];
925 dbg("RBN:check_cache spot cache restored");
929 dbg("RBN::checkcache error decoding $@");
932 my $d = difft($main::systime-$cache_valid);
933 dbg("RBN::checkcache '$cachefn' created $p ago is too old (> $d), ignored");
936 dbg("RBN:check_cache '$cachefn' spot cache not present");