use 5.10.1;
-use DXUtil;
+use lib qw {.};
+
use DXDebug;
+use DXUtil;
use DXLog;
use DXUser;
use DXChannel;
-use Math::Round qw(nearest);
+use Math::Round qw(nearest nearest_floor);
+use Date::Parse;
+use Time::HiRes qw(gettimeofday);
+use Spot;
+use DXJSON;
+use IO::File;
+
+use constant {
+ ROrigin => 0,
+ RQrg => 1,
+ RCall => 2,
+ RMode => 3,
+ RStrength => 4,
+ RTime => 5,
+ RUtz => 6,
+ Respot => 7,
+ RQra => 8,
+ RSpotData => 9,
+ };
+
+use constant {
+ SQrg => 0,
+ SCall => 1,
+ STime => 2,
+ SComment => 3,
+ SOrigin => 4,
+ SZone => 11,
+ };
+use constant {
+ OQual => 0,
+ OAvediff => 1,
+ OSpare => 2,
+ ODiff => 3,
+ };
+use constant {
+ CTime => 0,
+ CQual => 1,
+ CData => 2,
+ };
+
+use constant {
+ DScore => 0,
+ DGood => 1,
+ DBad => 2,
+ DLastin => 3,
+ DEviants => 4,
+ };
+
+
+our $DATA_VERSION = 1;
our @ISA = qw(DXChannel);
+our $startup_delay = 5*60; # don't send anything out until this timer has expired
+ # this is to allow the feed to "warm up" with duplicates
+ # so that the "big rush" doesn't happen.
+
+our $minspottime = 30*60; # the time between respots of a callsign - if a call is
+ # still being spotted (on the same freq) and it has been
+ # spotted before, it's spotted again after this time
+ # until the next minspottime has passed.
+
+our $beacontime = 5*60; # same as minspottime, but for beacons (and shorter)
+
+our $dwelltime = 10; # the amount of time to wait for duplicates before issuing
+ # a spot to the user (no doubt waiting with bated breath).
+
+our $filterdef = $Spot::filterdef; # we use the same filter as the Spot system. Can't think why :-).
+
+my $spots; # the GLOBAL spot cache
+
+my %runtime; # how long each channel has been running
+
+our $cachefn = localdata('rbn_cache');
+our $cache_valid = 4*60; # The cache file is considered valid if it is not more than this old
+
+our $maxqrgdiff = 10; # the maximum
+our $minqual = 2; # the minimum quality we will accept for output
+
+my $json;
+my $noinrush = 0; # override the inrushpreventor if set
+our $maxdeviants = 5; # the number of deviant QRGs to record for skimmer records
+
+sub init
+{
+ $json = DXJSON->new;
+ if (check_cache()) {
+ $noinrush = 1;
+ } else {
+ $spots = {VERSION=>$DATA_VERSION};
+ }
+ if (defined $DB::VERSION) {
+ $noinrush = 1;
+ $json->indent(1);
+ }
+
+}
+
sub new
{
my $self = DXChannel::alloc(@_);
my $pkg = shift;
my $call = shift;
- DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $self->hostname], );
- $self->{d} = {};
- $self->{spot} = {};
$self->{last} = 0;
$self->{noraw} = 0;
$self->{nospot} = 0;
+ $self->{nouser} = {};
$self->{norbn} = 0;
+ $self->{noraw10} = 0;
+ $self->{nospot10} = 0;
+ $self->{nouser10} = {};
+ $self->{norbn10} = 0;
+ $self->{nospothour} = 0;
+ $self->{nouserhour} = {};
+ $self->{norbnhour} = 0;
+ $self->{norawhour} = 0;
$self->{sort} = 'N';
$self->{lasttime} = $main::systime;
- $self->{minspottime} = 60*60;
+ $self->{minspottime} = $minspottime;
+ $self->{beacontime} = $beacontime;
$self->{showstats} = 0;
+ $self->{pingint} = 0;
+ $self->{nopings} = 0;
+ $self->{queue} = {};
return $self;
}
my $user = $self->{user};
my $call = $self->{call};
my $name = $user->{name};
- my $dref = $self->{d};
- my $spotref = $self->{spot};
# log it
my $host = $self->{conn}->peerhost;
($h) = $line =~ /host=([\da..fA..F:]+)/;
$line =~ s/\s*host=[\da..fA..F:]+// if $h;
}
- $self->{hostname} = $h if $h;
+ if ($h) {
+ $h =~ s/^::ffff://;
+ $self->{hostname} = $h;
+ }
}
$self->{width} = 80 unless $self->{width} && $self->{width} > 80;
$self->{consort} = $line; # save the connection type
# get the filters
my $nossid = $call;
$nossid =~ s/-\d+$//;
-
- $self->{spotsfilter} = Filter::read_in('spots', $call, 0)
- || Filter::read_in('spots', $nossid, 0)
- || Filter::read_in('spots', 'user_default', 0);
+ $self->{inrbnfilter} = Filter::read_in('rbn', $call, 1)
+ || Filter::read_in('rbn', 'node_default', 1);
+
# clean up qra locators
my $qra = $user->qra;
$qra = undef if ($qra && !DXBearing::is_qra($qra));
my $long = $user->long;
$user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
}
+
+ # if we have been running and stopped for a while
+ # if the cache is warm enough don't operate the inrush preventor
+ $self->{inrushpreventor} = exists $runtime{$call} && $runtime{$call} > $startup_delay || $noinrush ? 0 : $main::systime + $startup_delay;
+ dbg("RBN: noinrush: $noinrush, setting inrushpreventor on $self->{call} to $self->{inrushpreventor}");
}
+my @queue; # the queue of spots ready to send
+
sub normal
{
my $self = shift;
my $line = shift;
my @ans;
- my $d = $self->{d};
- my $spot = $self->{spot};
-
- # save this for them's that need it
- my $rawline = $line;
+# my $spots = $self->{spot};
# remove leading and trailing spaces
chomp $line;
# add base RBN
- my $tim = $main::systime;
+ my $now = $main::systime;
# parse line
dbg "RBN:RAW,$line" if isdbg('rbnraw');
+ return unless $line=~/^DX\s+de/;
my (undef, undef, $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t, $tx) = split /[:\s]+/, $line;
$t = $sort, $sort = '' if !$t && is_ztime($sort);
my $qra = $spd, $spd = '' if is_qra($spd);
$u = $qra if $qra;
-
-# no warnings qw(uninitialized);
-
-# dbg qq{or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if $line =~ /DX/;
-# use warnings;
+ # is this anything like a callsign?
+ unless (is_callsign($call)) {
+ dbg("RBN: ERROR $call from $origin on $qrg is invalid, dumped");
+ return;
+ }
+
+ $origin =~ s/\-(?:\d{1,2}\-)?\#$//; # get rid of all the crap we aren't interested in
+
+
+ $sort ||= '';
+ $tx ||= '';
+ $qra ||= '';
+ dbg qq{RBN:input decode or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if isdbg('rbn');
+
+ ++$self->{noraw};
+ ++$self->{noraw10};
+ ++$self->{norawhour};
my $b;
return (0);
}
}
-
- # We have an RBN data line, dedupe it very simply on time, ignore QRG completely.
- # This works because the skimmers are NTP controlled (or should be) and will receive
- # the spot at the same time (velocity factor of the atmosphere and network delays
- # carefully (not) taken into account :-)
-
- # Note, there is no intelligence here, but there are clearly basic heuristics that could
- # be applied at this point that reject (more likely rewrite) the call of a busted spot that would
- # useful for a zonal hotspot requirement from the cluster node.
+ if ($sort && $sort eq 'NCDXF') {
+ $mode = 'DXF';
+ $t = $tx;
+ }
+ if ($sort && $sort eq 'BEACON') {
+ $mode = 'BCN';
+ }
+ if ($mode =~ /^PSK/) {
+ $mode = 'PSK';
+ }
+ if ($mode eq 'RTTY') {
+ $mode = 'RTT';
+ }
- # In reality, this mechanism would be incorporated within the cluster code, utilising the dxqsl database,
- # and other resources in DXSpider, thus creating a zone map for an emitted spot. This is then passed through the
- # normal "to-user" spot system (where normal spots are sent to be displayed per user) and then be
- # processed through the normal, per user, spot filtering system - like a regular spot.
+ # The main de-duping key is [call, $frequency], but we probe a bit around that frequency to find a
+ # range of concurrent frequencies that might be in play.
# The key to this is deducing the true callsign by "majority voting" (the greater the number of spotters
# the more effective this is) together with some lexical analsys probably in conjuction with DXSpider
# Clearly this will only work in the 'mojo' branch of DXSpider where it is possible to pass off external
# data requests to ephemeral or semi resident forked processes that do any grunt work and the main
# process to just the standard "message passing" which has been shown to be able to sustain over 5000
- # per second (limited by the test program's output and network speed, rather than DXSpider's handling).
-
- my $p = "$t|$call";
- ++$self->{noraw};
- return if $d->{$p};
-
- # new RBN input
- $d->{$p} = $tim;
- ++$self->{norbn};
- $qrg = sprintf('%.1f', nearest(.1, $qrg)); # to nearest 100Hz (to catch the odd multiple decpl QRG [eg '7002.07']).
- if (isdbg('rbnraw')) {
- my $ss = join(',', "RBN", $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t);
- $ss .= ",$b" if $b;
- dbg "RBNRAW:$ss";
+ # per second (limited by the test program's output and network speed, rather than DXSpider's handling).
+
+ my $search = 5;
+ my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
+ my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
+
+ # find it?
+ my $cand = $spots->{$sp};
+ unless ($cand) {
+ my ($i, $new);
+ for ($i = $nqrg; !$cand && $i <= $nqrg+$search; $i += 1) {
+ $new = "$call|$i";
+ $cand = $spots->{$new}, last if exists $spots->{$new};
+ }
+ if ($cand) {
+ my $diff = $i - $nqrg;
+ dbg(qq{RBN: QRG Diff using $new (+$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || isdbg('rbn'));
+ $sp = $new;
+ }
}
+ unless ($cand) {
+ my ($i, $new);
+ for ($i = $nqrg; !$cand && $i >= $nqrg-$search; $i -= 1) {
+ $new = "$call|$i";
+ $cand = $spots->{$new}, last if exists $spots->{$new};
+ }
+ if ($cand) {
+ my $diff = $nqrg - $i;
+ dbg(qq{RBN: QRG Diff using $new (-$diff) for $sp for qrg $qrg}) if (isdbg('rbnqrg') || isdbg('rbn'));
+ $sp = $new;
+ }
+ }
+
+ # if we have one and there is only one slot and that slot's time isn't expired for respot then return
+ my $respot = 0;
+ if ($cand && ref $cand) {
+ if (@$cand <= CData) {
+ unless ($self->{minspottime} > 0 && $now - $cand->[CTime] >= $self->{minspottime}) {
+ dbg("RBN: key: '$sp' call: $call qrg: $qrg DUPE \@ ". atime(int $cand->[CTime])) if isdbg('rbn');
+ return;
+ }
+
+ dbg("RBN: key: '$sp' RESPOTTING call: $call qrg: $qrg last seen \@ ". atime(int $cand->[CTime])) if isdbg('rbn');
+ $cand->[CTime] = $now;
+ ++$respot;
+ }
- # Determine whether to "SPOT" it based on whether we have not seen it before (near this QRG) or,
- # if we have, has it been a "while" since the last time we spotted it? If it has been spotted
- # before then "RESPOT" it.
- my $nqrg = nearest(1, $qrg); # normalised to nearest Khz
- my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
- my $ts = $spot->{$sp};
-
- if (!$ts || ($self->{minspottime} > 0 && $tim - $ts >= $self->{minspottime})) {
- ++$self->{nospot};
- my $tag = $ts ? "RESPOT" : "SPOT";
- $t .= ",$b" if $b;
- $sort ||= '';
- dbg "RBN:" . join(',', $tag, $origin, $qrg, $call, $mode, $s, $m, $spd, $u, $sort, $t);
-
- send_dx_spot($self, $line, $mode);
-
- $spot->{$sp} = $tim;
+ # otherwise we have a spot being built up at the moment
+ } elsif ($cand) {
+ dbg("RBN: key '$sp' = '$cand' not ref");
+ return;
}
- } else {
- dbg "RBN:DATA,$line" if isdbg('rbn');
- }
- # periodic clearing out of the two caches
- if (($tim % 60 == 0 && $tim > $self->{last}) || ($self->{last} && $tim >= $self->{last} + 60)) {
- my $count = 0;
- my $removed = 0;
+ # here we either have an existing spot record buildup on the go, or we need to create the first one
+ unless ($cand) {
+ $spots->{$sp} = $cand = [$now, 0];
+ dbg("RBN: key: '$sp' call: $call qrg: $qrg NEW" . ($respot ? ' RESPOT' : '')) if isdbg('rbn');
+ }
- while (my ($k,$v) = each %{$d}) {
- if ($tim-$v > 60) {
- delete $d->{$k};
- ++$removed
- } else {
- ++$count;
- }
+ # add me to the display queue unless we are waiting for initial in rush to finish
+ return unless $noinrush || $self->{inrushpreventor} < $main::systime;
+
+ # build up a new record and store it in the buildup
+ # deal with the unix time
+ my ($hh,$mm) = $t =~ /(\d\d)(\d\d)Z$/;
+ my $utz = $hh*3600 + $mm*60 + $main::systime_daystart; # possible issue with late spot from previous day
+ $utz -= 86400 if $utz > $now+3600; # too far ahead, drag it back one day
+
+ # create record and add into the buildup
+ my $r = [$origin, nearest(.1, $qrg), $call, $mode, $s, $t, $utz, $respot, $u];
+ my @s = Spot::prepare($r->[RQrg], $r->[RCall], $r->[RUtz], '', $r->[ROrigin]);
+ if ($s[5] == 666) {
+ dbg("RBN: ERROR invalid prefix/callsign $call from $origin-# on $qrg, dumped");
+ return;
}
- dbg "RBN:ADMIN,rbn cache: $removed removed $count remain" if isdbg('rbn');
- $count = $removed = 0;
- while (my ($k,$v) = each %{$spot}) {
- if ($tim-$v > $self->{minspottime}*2) {
- delete $spot->{$k};
- ++$removed;
- } else {
- ++$count;
- }
+
+ if ($self->{inrbnfilter}) {
+ my ($want, undef) = $self->{inrbnfilter}->it($s);
+ return unless $want;
}
- dbg "RBN:ADMIN,spot cache: $removed removed $count remain" if isdbg('rbn');
+ $r->[RSpotData] = \@s;
+
+ ++$self->{queue}->{$sp};# unless @$cand>= CData; # queue the KEY (not the record)
+
+ dbg("RBN: key: '$sp' ADD RECORD call: $call qrg: $qrg origin: $origin") if isdbg('rbn');
- dbg "RBN:" . join(',', "STAT", $self->{noraw}, $self->{norbn}, $self->{nospot}) if $self->{showstats};
- $self->{noraw} = $self->{norbn} = $self->{nospot} = 0;
+ push @$cand, $r;
- $self->{last} = int($tim / 60) * 60;
+ } else {
+ dbg "RBN:DATA,$line" if isdbg('rbn');
}
}
-# we only send to users and we send the original line (possibly with a
-# Q:n in it)
+# we should get the spot record minus the time, so just an array of record (arrays)
sub send_dx_spot
{
my $self = shift;
- my $line = shift;
- my $mode = shift;
+ my $quality = shift;
+ my $cand = shift;
+
+ ++$self->{norbn};
+ ++$self->{norbn10};
+ ++$self->{norbnhour};
+
+ # $r = [$origin, $qrg, $call, $mode, $s, $utz, $respot];
+
+ my $mode = $cand->[CData]->[RMode]; # as all the modes will be the same;
my @dxchan = DXChannel::get_all();
foreach my $dxchan (@dxchan) {
next unless $dxchan->is_user;
my $user = $dxchan->{user};
- next unless $user->wantrbn;
+ next unless $user && $user->wantrbn;
+ # does this user want this sort of spot at all?
my $want = 0;
- ++$want if $user->wantbeacon && $mode =~ /^BEA|NCD/;
- ++$want if $user->wantcw && $mode =~ /^CW/;
- ++$want if $user->wantrtty && $mode =~ /^RTTY/;
- ++$want if $user->wantpsk && $mode =~ /^PSK/;
+ ++$want if $user->wantbeacon && $mode =~ /^BCN|DXF/;
++$want if $user->wantcw && $mode =~ /^CW/;
+ ++$want if $user->wantrtty && $mode =~ /^RTT/;
+ ++$want if $user->wantpsk && $mode =~ /^PSK|FSK|MSK/;
++$want if $user->wantft && $mode =~ /^FT/;
- ++$want unless $want; # send everything if nothing is selected.
+ 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",
+ $user->wantrbn,
+ $user->wantft,
+ $user->wantbeacon,
+ $user->wantcw,
+ $user->wantpsk,
+ $user->wantrtty,
+ )) if isdbg('rbnll');
+
+ # send one spot to one user out of the ones that we have
+ $self->dx_spot($dxchan, $quality, $cand) if $want;
+ }
+}
+
+sub dx_spot
+{
+ my $self = shift;
+ my $dxchan = shift;
+ my $quality = shift;
+ my $cand = shift;
+ my $call = $dxchan->{call};
+ my $strength = 100; # because it could if we talk about FTx
+ my $saver;
+ my %zone;
+ my $respot;
+ my $qra;
+
+ ++$self->{nousers}->{$call};
+ ++$self->{nousers10}->{$call};
+ ++$self->{nousershour}->{$call};
+
+ my $filtered;
+ my $rf = $dxchan->{rbnfilter} || $dxchan->{spotsfilter};
+ my $comment;
+
+ foreach my $r (@$cand) {
+ # $r = [$origin, $qrg, $call, $mode, $s, $t, $utz, $respot, $qra];
+ # Spot::prepare($qrg, $call, $utz, $comment, $origin);
+ next unless $r && ref $r;
+
+ $qra = $r->[RQra] if !$qra && $r->[RQra] && is_qra($r->[RQra]);
+
+ $comment = sprintf "%-3s %2ddB $quality", $r->[RMode], $r->[RStrength];
+ my $s = $r->[RSpotData]; # the prepared spot
+ $s->[SComment] = $comment; # apply new generated comment
+
+ ++$zone{$s->[SZone]}; # save the spotter's zone
+
+ # save the lowest strength one
+ if ($r->[RStrength] < $strength) {
+ $strength = $r->[RStrength];
+ $saver = $s;
+ dbg("RBN: STRENGTH spot: $s->[SCall] qrg: $s->[SQrg] origin: $s->[SOrigin] dB: $r->[RStrength] < $strength") if isdbg 'rbnll';
+ }
- $dxchan->send($line) if $want;
- dbg("RBN: $line") if isdbg('progress');
+ if ($rf) {
+ my ($want, undef) = $rf->it($s);
+ 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';
+ next unless $want;
+ $filtered = $s;
+# last;
+ }
+ }
+
+ if ($rf) {
+ $saver = $filtered; # if nothing passed the filter's lips then $saver == $filtered == undef !
+ }
+
+ if ($saver) {
+ my $buf;
+ # create a zone list of spotters
+ delete $zone{$saver->[SZone]}; # remove this spotter's zone (leaving all the other zones)
+ my $z = join ',', sort {$a <=> $b} keys %zone;
+
+ # alter spot data accordingly
+ $saver->[SComment] .= " Z:$z" if $z;
+
+ dbg("RBN: SENDING to $call spot: $saver->[SCall] qrg: $saver->[SQrg] origin: $saver->[SOrigin] $saver->[SComment]") if isdbg 'rbnll';
+ if ($dxchan->{ve7cc}) {
+ my $call = $saver->[SOrigin];
+ $saver->[SOrigin] .= '-#';
+ $buf = VE7CC::dx_spot($dxchan, @$saver);
+ $saver->[SOrigin] = $call;
+ } else {
+ my $call = $saver->[SOrigin];
+ $saver->[SOrigin] = substr($call, 0, 6);
+ $saver->[SOrigin] .= '-#';
+ $buf = $dxchan->format_dx_spot(@$saver);
+ $saver->[SOrigin] = $call;
+ }
+# $buf =~ s/^DX/RB/;
+ $dxchan->local_send('N', $buf);
+
+ ++$self->{nospot};
+ ++$self->{nospot10};
+ ++$self->{nospothour};
+
+ if ($qra) {
+ my $user = DXUser::get_current($saver->[SCall]) || DXUser->new($saver->[SCall]);
+ unless ($user->qra && is_qra($user->qra)) {
+ $user->qra($qra);
+ dbg("RBN: update qra on $saver->[SCall] to $qra");
+ $user->put;
+ }
+ }
+ }
+}
+
+# per second
+sub process
+{
+ foreach my $dxchan (DXChannel::get_all()) {
+ next unless $dxchan->is_rbn;
+
+ # At this point we run the queue to see if anything can be sent onwards to the punter
+ my $now = $main::systime;
+ my $ta = [gettimeofday];
+ my $items;
+
+ # now run the waiting queue which just contains KEYS ($call|$qrg)
+ foreach my $sp (keys %{$dxchan->{queue}}) {
+ my $cand = $spots->{$sp};
+ ++$items;
+ unless ($cand && $cand->[CTime]) {
+ dbg "RBN Cand $sp " . ($cand ? 'def' : 'undef') . " [CTime] " . ($cand->[CTime] ? 'def' : 'undef') . " dwell $dwelltime";
+ next;
+ }
+ if ($now >= $cand->[CTime] + $dwelltime ) {
+ # we have a candidate, create qualitee value(s);
+ unless (@$cand > CData) {
+ dbg "RBN: QUEUE key '$sp' MISSING RECORDS, IGNORED" . dd($cand) if isdbg 'rbnqueue';
+ next;
+ }
+ dbg "RBN: QUEUE PROCESSING key: '$sp' $now >= $cand->[CTime]" if isdbg 'rbnqueue';
+ my $quality = @$cand - CData;
+ my $spotters = $quality;
+
+ # dump it and remove it from the queue if it is of unadequate quality
+ if ($quality < $minqual) {
+ if (isdbg('rbnskim')) {
+ my $r = $cand->[CData];
+ if ($r) {
+ my $s = "RBN: SPOT IGNORED(Q:$quality < Q:$minqual) key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] route: $dxchan->{call}";
+ dbg($s);
+ }
+ }
+ delete $spots->{$sp}; # don't remember it either - this means that a spot HAS to come in with sufficient spotters to be processed.
+ delete $dxchan->{queue}->{$sp};
+ next;
+ }
+
+ $quality = 9 if $quality > 9;
+ $cand->[CQual] = $quality if $quality > $cand->[CQual];
+
+ my $r;
+ my %qrg;
+ my $skimmer;
+ my $sk;
+ my $band;
+ my %seen;
+ foreach $r (@$cand) {
+ next unless ref $r;
+ if (exists $seen{$r->[ROrigin]}) {
+ undef $r;
+ next;
+ }
+ $seen{$r->[ROrigin]} = 1;
+ $band ||= int $r->[RQrg] / 1000;
+ $sk = "SKIM|$r->[ROrigin]|$band";
+ $skimmer = $spots->{$sk};
+ unless ($skimmer) {
+ $skimmer = $spots->{$sk} = [0+0, 0+0, 0+0, $now, []]; # this stupid incantation is to make sure than there are no JSON nulls!
+ dbg("RBN:SKIM new slot $sk " . $json->encode($skimmer)) if isdbg('rbnskim');
+ }
+ $qrg{$r->[RQrg]} += ($skimmer->[DScore] || 1);
+ }
+ # determine the most likely qrg and then set it
+ my @deviant;
+ my $c = 0;
+ my $mv = 0;
+ my $qrg;
+ while (my ($k, $votes) = each %qrg) {
+ $qrg = $k, $mv = $votes if $votes >= $mv;
+ ++$c;
+ }
+ # spit out the deviants
+ foreach $r (@$cand) {
+ next unless $r && ref $r;
+ my $diff = $c > 1 ? nearest(.1, $r->[RQrg] - $qrg) : 0;
+ $sk = "SKIM|$r->[ROrigin]|$band";
+ $skimmer = $spots->{$sk};
+ $skimmer->[DBad] ||= 0+0; # stop JSON nulls?
+ $skimmer->[DEviants] ||= []; # ditto
+ if ($diff) {
+ ++$skimmer->[DBad] if $skimmer->[DBad] < $maxdeviants;
+ --$skimmer->[DGood] if $skimmer->[DGood] > 0;
+ push @deviant, sprintf("$r->[ROrigin]:%+.1f", $diff);
+ push @{$skimmer->[DEviants]}, $diff;
+ shift @{$skimmer->[DEviants]} while @{$skimmer->[DEviants]} > $maxdeviants;
+ } else {
+ ++$skimmer->[DGood] if $skimmer->[DGood] < $maxdeviants;
+ --$skimmer->[DBad] if $skimmer->[DBad] > 0;
+ shift @{$skimmer->[DEviants]};
+ }
+ $skimmer->[DScore] = $skimmer->[DGood] - $skimmer->[DBad];
+ $skimmer->[DScore] ||= 0.2; # minimun score
+ dbg("RBN:SKIM key $sp slot $sk $r->[RQrg] - $qrg = $diff " . $json->encode($skimmer)) if isdbg('rbnskim');
+ $skimmer->[DLastin] = $now;
+ $r->[RSpotData]->[SQrg] = $qrg if $qrg && $c > 1; # set all the QRGs to the agreed value
+ }
+
+
+ $qrg = (sprintf "%.1f", $qrg)+0;
+ $r = $cand->[CData];
+ $r->[RQrg] = $qrg;
+ my $squality = "Q:$cand->[CQual]";
+ $squality .= '*' if $c > 1;
+ $squality .= '+' if $r->[Respot];
+
+ if (isdbg('progress')) {
+ my $s = "RBN: SPOT key: '$sp' = $r->[RCall] on $r->[RQrg] by $r->[ROrigin] \@ $r->[RTime] $squality route: $dxchan->{call}";
+ my $td = @deviant;
+ $s .= " QRGScore $mv Deviants ($td/$spotters): ";
+ $s .= join(', ', sort @deviant) if $td;
+ dbg($s);
+ }
+
+ # finally send it out to any waiting public
+ send_dx_spot($dxchan, $squality, $cand);
+
+ # clear out the data and make this now just "spotted", but no further action required until respot time
+ dbg "RBN: QUEUE key '$sp' cleared" if isdbg 'rbn';
+
+ delete $spots->{$sp};
+ delete $dxchan->{queue}->{$sp};
+
+ # calculate new sp (which will be 70% likely the same as the old one)
+ # 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.
+ # and we want to store the key that corresponds to majority opinion.
+ my $nqrg = nearest(1, $qrg * 10); # normalised to nearest Khz
+ my $nsp = "$r->[RCall]|$nqrg";
+ if ($sp ne $nsp) {
+ dbg("RBN:SKIM CHANGE KEY sp '$sp' -> '$nsp' for storage") if isdbg('rbnskim');
+ $spots->{$nsp} = [$now, $cand->[CQual]];
+ }
+ }
+ else {
+ dbg sprintf("RBN: QUEUE key: '$sp' SEND time not yet reached %.1f secs left", $cand->[CTime] + $dwelltime - $now) if isdbg 'rbnqueue';
+ }
+ }
+ if (isdbg('rbntimer')) {
+ my $diff = _diffus($ta);
+ dbg "RBN: TIMER process queue for call: $dxchan->{call} $items spots $diff uS";
+ }
}
}
+sub per_minute
+{
+ foreach my $dxchan (DXChannel::get_all()) {
+ next unless $dxchan->is_rbn;
+ 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');
+ if ($dxchan->{noraw} == 0 && $dxchan->{lasttime} > 60) {
+ LogDbg('RBN', "RBN: no input from $dxchan->{call}, disconnecting");
+ $dxchan->disconnect;
+ }
+ $dxchan->{noraw} = $dxchan->{norbn} = $dxchan->{nospot} = 0; $dxchan->{nousers} = {};
+ $runtime{$dxchan->{call}} += 60;
+ }
+
+ # save the spot cache
+ write_cache() unless $main::systime + $startup_delay < $main::systime;;
+}
+
+sub per_10_minute
+{
+ my $count = 0;
+ my $removed = 0;
+ while (my ($k,$cand) = each %{$spots}) {
+ next if $k eq 'VERSION';
+ next if $k =~ /^O\|/;
+ next if $k =~ /^SKIM\|/;
+
+ if ($main::systime - $cand->[CTime] > $minspottime*2) {
+ delete $spots->{$k};
+ ++$removed;
+ }
+ else {
+ ++$count;
+ }
+ }
+ dbg "RBN:STATS spot cache remain: $count removed: $removed"; # if isdbg('rbn');
+ foreach my $dxchan (DXChannel::get_all()) {
+ next unless $dxchan->is_rbn;
+ my $nq = keys %{$dxchan->{queue}};
+ my $pc = $dxchan->{noraw10} ? sprintf("%.1f%%",$dxchan->{norbn10}*100/$dxchan->{noraw10}) : '0.0%';
+ 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}};
+ $dxchan->{noraw10} = $dxchan->{norbn10} = $dxchan->{nospot10} = 0; $dxchan->{nousers10} = {};
+ }
+}
+
+sub per_hour
+{
+ foreach my $dxchan (DXChannel::get_all()) {
+ next unless $dxchan->is_rbn;
+ my $nq = keys %{$dxchan->{queue}};
+ my $pc = $dxchan->{norawhour} ? sprintf("%.1f%%",$dxchan->{norbnhour}*100/$dxchan->{norawhour}) : '0.0%';
+ 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}};
+ $dxchan->{norawhour} = $dxchan->{norbnhour} = $dxchan->{nospothour} = 0; $dxchan->{nousershour} = {};
+ }
+}
+
+sub finish
+{
+ write_cache();
+}
+
+sub write_cache
+{
+ my $ta = [ gettimeofday ];
+ $json->indent(1);
+ my $s = eval {$json->encode($spots)};
+ if ($s) {
+ my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
+ $fh->print($s);
+ $fh->close;
+ } else {
+ dbg("RBN:Write_cache error '$@'");
+ }
+ $json->indent(0);
+ my $diff = _diffms($ta);
+ dbg("RBN:WRITE_CACHE time to write: $diff mS");
+}
+
+sub check_cache
+{
+ if (-e $cachefn) {
+ my $mt = (stat($cachefn))[9];
+ my $t = $main::systime - $mt || 1;
+ my $p = difft($mt, 2);
+ if ($t < $cache_valid) {
+ dbg("RBN:check_cache '$cachefn' spot cache exists, created $p ago and not too old");
+ my $fh = IO::File->new($cachefn);
+ my $s;
+ if ($fh) {
+ local $/ = undef;
+ $s = <$fh>;
+ dbg("RBN:check_cache cache read size " . length $s);
+ $fh->close;
+ } else {
+ dbg("RBN:check_cache file read error $!");
+ return undef;
+ }
+ if ($s) {
+ eval {$spots = $json->decode($s)};
+ if ($spots && ref $spots) {
+ if (exists $spots->{VERSION} && $spots->{VERSION} == $DATA_VERSION) {
+ # now clean out anything that is current
+ while (my ($k, $cand) = each %$spots) {
+ next if $k eq 'VERSION';
+ next if $k =~ /^O\|/;
+ next if $k =~ /^SKIM\|/;
+ if (@$cand > CData) {
+ $spots->{$k} = [$cand->[CTime], $cand->[CQual]];
+ }
+ }
+ dbg("RBN:check_cache spot cache restored");
+ return 1;
+ }
+ }
+ dbg("RBN::checkcache error decoding $@");
+ }
+ } else {
+ my $d = difft($main::systime-$cache_valid);
+ dbg("RBN::checkcache '$cachefn' created $p ago is too old (> $d), ignored");
+ }
+ } else {
+ dbg("RBN:check_cache '$cachefn' spot cache not present");
+ }
+
+ return undef;
+}
1;