use DXUser;
use DXChannel;
use Math::Round qw(nearest);
+use Date::Parse;
+use Time::HiRes qw(clock_gettime CLOCK_REALTIME);
our @ISA = qw(DXChannel);
+our $startup_delay =0;#3*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 = 60*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 $dwelltime = 6; # the amount of time to wait for duplicates before issuing
+ # a spot to the user (no doubt waiting with bated breath).
+
+
sub new
{
my $self = DXChannel::alloc(@_);
$self->{norbn} = 0;
$self->{sort} = 'N';
$self->{lasttime} = $main::systime;
- $self->{minspottime} = 60*60;
+ $self->{minspottime} = $minspottime;
$self->{showstats} = 0;
return $self;
my $long = $user->long;
$user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
}
+
+ # start inrush timer
+ $self->{inrushpreventor} = $main::systime + $startup_delay;
}
+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};
+ my $spots = $self->{spot};
# save this for them's that need it
my $rawline = $line;
# parse line
dbg "RBN:RAW,$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;
+ $origin =~ s/\-(?:\d{1,2}\-)?\#$//; # get rid of all the crap we aren't interested in
+
+
+ $sort ||= '';
+ $tx ||= '';
+ $qra ||= '';
+ dbg qq{or:$origin qr:$qrg ca:$call mo:$mode s:$s m:$m sp:$spd u:$u sort:$sort t:$t tx:$tx qra:$qra} if isdbg('rbn');
+
my $b;
return (0);
}
}
+ if ($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';
+ }
# 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
# 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 $nqrg = nearest(.5, $qrg); # normalised to nearest Khz
+ my $sp = "$call|$nqrg"; # hopefully the skimmers will be calibrated at least this well!
+
+ # do we have it?
+ my $spot = $spots->{$sp};
+
+ # if we have one and there is only one slot and that slot's time isn't expired for respot then return
+ my $respot = 0;
+ if ($spot && @$spot == 1) {
+ unless ($self->{minspottime} > 0 && $tim - $spot->[0] >= $self->{minspottime}) {
+ dbg("RBN: key: '$sp' call: $call qrg: $qrg DUPE \@ ". atime(int $spot->[0])) if isdbg('rbn');
+ return;
+ }
+ dbg("RBN: key: '$sp' RESPOTTING call: $call qrg: $qrg last seen \@ ". atime(int $spot->[0])) if isdbg('rbn');
+ ++$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} = $tim;
+ # here we either have an existing spot record buildup on the go, or we need to create the first one
+ unless ($spot) {
+ $spot = [clock_gettime(CLOCK_REALTIME)];
+ $spots->{$sp} = $spot;
+ dbg("RBN: key: '$sp' call: $call qrg: $qrg NEW") if isdbg('rbn');
}
+
+ # add me to the display queue unless we are waiting for initial in rush to finish
+ return unless $self->{inrushpreventor} < $main::systime;
+ push @queue, $sp if @$spot == 1; # queue the KEY (not the record)
+
+ # 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 > $tim+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, $respot];
+ dbg("RBN: key: '$sp' ADD RECORD call: $call qrg: $qrg origin: $origin") if isdbg('rbn');
+
+ push @$spot, $r;
+
+ # At this point we run the queue to see if anything can be sent onwards to the punter
+ my $now = clock_gettime(CLOCK_REALTIME);
+
+ # now run the waiting queue which just contains KEYS ($call|$qrg)
+ foreach $sp (@queue) {
+ my $cand = $spots->{$sp};
+ if ($now >= $cand->[0]+$dwelltime ) {
+ # we have a candidate, create qualitee value(s);
+ unless (@$cand > 1) {
+ dbg "RBN: QUEUE key '$sp' MISSING RECORDS " . dd($cand) if isdbg 'rbn';
+ shift @queue;
+ next;
+ }
+ my $savedtime = shift @$cand; # save the start time
+ my $r = $cand->[0];
+ my $quality = @$cand;
+ $quality = 9 if $quality > 9;
+ $quality = "Q:$quality";
+ if (isdbg('progress')) {
+ my $s = "RBN: SPOT key: '$sp' = $r->[2] on $r->[1] \@ $r->[5] $quality";
+ $s .= " route: $self->{call}";
+ dbg($s);
+ }
+
+ send_dx_spot($self, $quality, $cand);
+
+ # clear out the data and make this now just "spotted", but no further action required until respot time
+ dbg "RBN: QUEUE key '$sp' cleared" if isdbg 'rbn';
+ $spots->{$sp} = [$savedtime];
+ shift @queue;
+ } else {
+ dbg sprintf("RBN: QUEUE key: '$sp' SEND time not yet reached %.1f secs left", $spot->[0] + $dwelltime - $now) if isdbg 'rbnqueue';
+ }
+ }
+
+
} else {
dbg "RBN:DATA,$line" if isdbg('rbn');
}
- # periodic clearing out of the two caches
+ # # periodic clearing out of the two caches
if (($tim % 60 == 0 && $tim > $self->{last}) || ($self->{last} && $tim >= $self->{last} + 60)) {
my $count = 0;
my $removed = 0;
-
- while (my ($k,$v) = each %{$d}) {
- if ($tim-$v > 60) {
- delete $d->{$k};
- ++$removed
- } else {
- ++$count;
- }
- }
- 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};
+ while (my ($k,$v) = each %{$spots}) {
+ if ($tim - $v->[0] > $self->{minspottime}*2) {
+ delete $spots->{$k};
++$removed;
- } else {
+ }
+ else {
++$count;
}
}
- dbg "RBN:ADMIN,spot cache: $removed removed $count remain" if isdbg('rbn');
-
+ dbg "RBN:ADMIN,spot cache: $removed removed $count remain"; # if isdbg('rbn');
dbg "RBN:" . join(',', "STAT", $self->{noraw}, $self->{norbn}, $self->{nospot}) if $self->{showstats};
$self->{noraw} = $self->{norbn} = $self->{nospot} = 0;
-
$self->{last} = int($tim / 60) * 60;
}
}
-# 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 $spot = shift;
+
+ # $r = [$origin, $qrg, $call, $mode, $s, $utz, $respot];
+
+ my $mode = $spot->[0]->[3]; # 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->wantbeacon && $mode =~ /^BCN|DXF/;
++$want if $user->wantcw && $mode =~ /^CW/;
- ++$want if $user->wantrtty && $mode =~ /^RTTY/;
+ ++$want if $user->wantrtty && $mode =~ /^RTT/;
++$want if $user->wantpsk && $mode =~ /^PSK/;
++$want if $user->wantcw && $mode =~ /^CW/;
++$want if $user->wantft && $mode =~ /^FT/;
-
++$want unless $want; # send everything if nothing is selected.
- $dxchan->send($line) if $want;
+ next unless $want;
+
+ # send one spot to one user out of the ones that we have
+ $self->dx_spot($dxchan, $quality, $spot) if $want;
}
}
+sub dx_spot
+{
+ my $self = shift;
+ my $dxchan = shift;
+ my $quality = shift;
+ my $spot = shift;
+
+ my $strength = 100; # because it could if we talk about FTx
+ my $saver;
+
+ my %zone;
+
+ foreach my $r (@$spot) {
+ # $r = [$origin, $qrg, $call, $mode, $s, $t, $utz, $respot];
+ # Spot::prepare($qrg, $call, $utz, $comment, $origin);
+
+ my $comment = sprintf "%-3s %2ddB $quality", $r->[3], $r->[4];
+ my @s = Spot::prepare($r->[1], $r->[2], $r->[6], $comment, $r->[0]);
+
+ ++$zone{$s[11]}; # save the spotter's zone
+
+ # save the highest strength one
+ if ($r->[4] < $strength) {
+ $strength = $r->[4];
+ $saver = \@s;
+ dbg("RBN: STRENGTH call: $s[1] qrg: $s[0] origin: $s[4] dB: $r->[4]") if isdbg 'rbn';
+ }
+
+ my $filter = 0;
+
+ if ($dxchan->{rbnfilter}) {
+ ($filter, undef) = $dxchan->{rbnfilter}->it(\@s);
+ next unless $filter;
+ $saver = \@s;
+ dbg("RBN: FILTERED call: $s[1] qrg: $s[0] origin: $s[4] dB: $r->[4]") if isdbg 'rbn';
+ last;
+ }
+
+ }
+
+ if ($saver) {
+ my $buf;
+ delete $zone{$saver->[11]}; # remove this spotter's zone (leaving all the other zones)
+ my $z = join ',', sort {$a <=> $b} keys %zone;
+ $saver->[3] .= " Z:$z" if length $z;
+ dbg("RBN: SENDING call: $saver->[1] qrg: $saver->[0] origin: $saver->[4] $saver->[3]") if isdbg 'rbn';
+ if ($dxchan->{ve7cc}) {
+ $buf = VE7CC::dx_spot($dxchan, @$saver);
+ } else {
+ $buf = $dxchan->format_dx_spot(@$saver);
+ }
+ $buf =~ s/^DX/RB/;
+ $dxchan->local_send('N', $buf);
+ }
+}
1;