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420 lines
9.7 KiB
Perl
420 lines
9.7 KiB
Perl
#
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# the dx spot handler
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#
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# Copyright (c) - 1998 Dirk Koopman G1TLH
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#
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# $Id$
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#
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package Spot;
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use IO::File;
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use DXVars;
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use DXDebug;
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use DXUtil;
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use DXLog;
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use Julian;
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use Prefix;
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use DXDupe;
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use Data::Dumper;
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use strict;
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use vars qw($VERSION $BRANCH);
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$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
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$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
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$main::build += $VERSION;
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$main::branch += $BRANCH;
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use vars qw($fp $statp $maxspots $defaultspots $maxdays $dirprefix $duplth $dupage $filterdef $totalspots $hfspots $vhfspots);
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$fp = undef;
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$statp = undef;
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$maxspots = 100; # maximum spots to return
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$defaultspots = 10; # normal number of spots to return
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$maxdays = 100; # normal maximum no of days to go back
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$dirprefix = "spots";
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$duplth = 20; # the length of text to use in the deduping
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$dupage = 3*3600; # the length of time to hold spot dups
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$filterdef = bless ([
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# tag, sort, field, priv, special parser
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['freq', 'r', 0, 0, \&decodefreq],
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['on', 'r', 0, 0, \&decodefreq],
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['call', 'c', 1],
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['info', 't', 3],
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['by', 'c', 4],
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['call_dxcc', 'nc', 5],
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['by_dxcc', 'nc', 6],
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['origin', 'c', 7, 9],
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['call_itu', 'ni', 8],
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['call_zone', 'nz', 9],
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['by_itu', 'ni', 10],
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['by_zone', 'nz', 11],
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['call_state', 'ns', 12],
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['by_state', 'ns', 13],
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['channel', 'c', 14],
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], 'Filter::Cmd');
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$totalspots = $hfspots = $vhfspots = 0;
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# create a Spot Object
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sub new
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{
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my $class = shift;
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my $self = [ @_ ];
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return bless $self, $class;
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}
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sub decodefreq
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{
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my $dxchan = shift;
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my $l = shift;
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my @f = split /,/, $l;
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my @out;
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my $f;
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foreach $f (@f) {
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my ($a, $b);
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if (m{^\d+/\d+$}) {
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push @out, $f;
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} elsif (($a, $b) = $f =~ m{^(\w+)(?:/(\w+))?$}) {
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$b = lc $b if $b;
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my @fr = Bands::get_freq(lc $a, $b);
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if (@fr) {
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while (@fr) {
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$a = shift @fr;
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$b = shift @fr;
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push @out, "$a/$b"; # add them as ranges
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}
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} else {
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return ('dfreq', $dxchan->msg('dfreq1', $f));
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}
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} else {
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return ('dfreq', $dxchan->msg('e20', $f));
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}
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}
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return (0, join(',', @out));
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}
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sub init
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{
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mkdir "$dirprefix", 0777 if !-e "$dirprefix";
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$fp = DXLog::new($dirprefix, "dat", 'd');
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$statp = DXLog::new($dirprefix, "dys", 'd');
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system("rm -f $main::data/$dirprefix/200?/*.bys");
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system("rm -f $main::data/$dirprefix/200?/*.cys");
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}
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sub prefix
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{
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return $fp->{prefix};
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}
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# fix up the full spot data from the basic spot data
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sub prepare
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{
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# $freq, $call, $t, $comment, $spotter = @_
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my @out = @_[0..4]; # just up to the spotter
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# normalise frequency
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$_[0] = sprintf "%.1f", $_[0];
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# remove ssids if present on spotter
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$out[4] =~ s/-\d+$//o;
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# remove leading and trailing spaces
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$_[3] = unpad($_[3]);
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my ($spotted_dxcc, $spotted_itu, $spotted_cq, $spotted_state) = (666, 0, 0, "");
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my ($spotter_dxcc, $spotter_itu, $spotter_cq, $spotter_state) = (666, 0, 0, "");
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# add the 'dxcc' country on the end for both spotted and spotter, then the cluster call
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my @dxcc = Prefix::extract($out[1]);
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if (@dxcc) {
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$spotted_dxcc = $dxcc[1]->dxcc();
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$spotted_itu = $dxcc[1]->itu();
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$spotted_cq = $dxcc[1]->cq();
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$spotted_state = $dxcc[1]->state();
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}
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push @out, $spotted_dxcc;
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@dxcc = Prefix::extract($out[4]);
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if (@dxcc) {
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$spotter_dxcc = $dxcc[1]->dxcc();
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$spotter_itu = $dxcc[1]->itu();
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$spotter_cq = $dxcc[1]->cq();
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$spotter_state = $dxcc[1]->state();
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}
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push @out, $spotter_dxcc;
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push @out, $_[5];
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return (@out, $spotted_itu, $spotted_cq, $spotter_itu, $spotter_cq, $spotted_state, $spotter_state);
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}
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sub add
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{
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my $buf = join("\^", @_[0..7]);
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$fp->writeunix($_[2], $buf);
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$totalspots++;
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if ($_[0] <= 30000) {
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$hfspots++;
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} else {
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$vhfspots++;
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}
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}
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# search the spot database for records based on the field no and an expression
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# this returns a set of references to the spots
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#
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# the expression is a legal perl 'if' statement with the possible fields indicated
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# by $f<n> where :-
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#
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# $f0 = frequency
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# $f1 = call
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# $f2 = date in unix format
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# $f3 = comment
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# $f4 = spotter
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# $f5 = spotted dxcc country
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# $f6 = spotter dxcc country
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# $f7 = origin
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#
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#
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# In addition you can specify a range of days, this means that it will start searching
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# from <n> days less than today to <m> days less than today
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#
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# Also you can select a range of entries so normally you would get the 0th (latest) entry
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# back to the 5th latest, you can specify a range from the <x>th to the <y>the oldest.
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#
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# This routine is designed to be called as Spot::search(..)
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#
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sub search
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{
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my ($expr, $dayfrom, $dayto, $from, $to, $hint) = @_;
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my $eval;
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my @out;
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my $ref;
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my $i;
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my $count;
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my $today = Julian::Day->new(time());
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my $fromdate;
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my $todate;
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$dayfrom = 0 if !$dayfrom;
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$dayto = $maxdays unless $dayto;
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$dayto = $dayfrom + $maxdays if $dayto < $dayfrom;
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$fromdate = $today->sub($dayfrom);
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$todate = $fromdate->sub($dayto);
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$from = 0 unless $from;
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$to = $defaultspots unless $to;
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$hint = $hint ? "next unless $hint" : "";
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$expr = "1" unless $expr;
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$to = $from + $maxspots if $to - $from > $maxspots || $to - $from <= 0;
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$expr =~ s/\$f(\d)/\$ref->[$1]/g; # swap the letter n for the correct field name
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# $expr =~ s/\$f(\d)/\$spots[$1]/g; # swap the letter n for the correct field name
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dbg("hint='$hint', expr='$expr', spotno=$from-$to, day=$dayfrom-$dayto\n") if isdbg('search');
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# build up eval to execute
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$eval = qq(
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while (<\$fh>) {
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$hint;
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chomp;
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push \@spots, [ split '\\^' ];
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}
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my \$c;
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my \$ref;
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for (\$c = \$#spots; \$c >= 0; \$c--) {
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\$ref = \$spots[\$c];
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if ($expr) {
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\$count++;
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next if \$count < \$from; # wait until from
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push(\@out, \$ref);
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last if \$count >= \$to; # stop after to
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}
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}
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);
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$fp->close; # close any open files
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for ($i = $count = 0; $i < $maxdays; ++$i) { # look thru $maxdays worth of files only
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my $now = $fromdate->sub($i); # but you can pick which $maxdays worth
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last if $now->cmp($todate) <= 0;
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my @spots = ();
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my $fh = $fp->open($now); # get the next file
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if ($fh) {
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my $in;
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eval $eval; # do the search on this file
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last if $count >= $to; # stop after to
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return ("Spot search error", $@) if $@;
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}
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}
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return @out;
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}
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# change a freq range->regular expression
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sub ftor
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{
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my ($a, $b) = @_;
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return undef unless $a < $b;
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$b--;
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my $d = $b - $a;
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my @a = split //, $a;
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my @b = split //, $b;
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my $out;
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while (@b > @a) {
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$out .= shift @b;
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}
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while (@b) {
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my $aa = shift @a;
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my $bb = shift @b;
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if (@b < (length $d)) {
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$out .= '\\d';
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} elsif ($aa eq $bb) {
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$out .= $aa;
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} elsif ($aa < $bb) {
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$out .= "[$aa-$bb]";
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} else {
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$out .= "[0-$bb$aa-9]";
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}
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}
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return $out;
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}
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# format a spot for user output in list mode
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sub formatl
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{
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my $t = ztime($_[2]);
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my $d = cldate($_[2]);
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return sprintf "%8.1f %-11s %s %s %-28.28s%7s>", $_[0], $_[1], $d, $t, $_[3], "<$_[4]" ;
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}
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#
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# return all the spots from a day's file as an array of references
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# the parameter passed is a julian day
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sub readfile($)
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{
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my @spots;
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my $fh = $fp->open(shift);
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if ($fh) {
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my $in;
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while (<$fh>) {
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chomp;
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push @spots, [ split '\^' ];
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}
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}
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return @spots;
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}
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# enter the spot for dup checking and return true if it is already a dup
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sub dup
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{
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my ($freq, $call, $d, $text, $by) = @_;
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# dump if too old
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return 2 if $d < $main::systime - $dupage;
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# turn the time into minutes (should be already but...)
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$d = int ($d / 60);
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$d *= 60;
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$freq = sprintf "%.1f", $freq; # normalise frequency
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$call = substr($call, 0, 12) if length $call > 12;
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# quick test now for simple case
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my $sdupkey = "X$freq|$call|$d|$by";
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return 1 if DXDupe::find($sdupkey);
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chomp $text;
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$text =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
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$text = substr($text, 0, $duplth) if length $text > $duplth;
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unpad($text);
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$text = pack("C*", map {$_ & 127} unpack("C*", $text));
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$text =~ s/[^a-zA-Z0-9]//g;
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for (-60, -120, -180, -240, 0, 60, 120, 180, 240, 300) {
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my $dt = $d - $_;
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my $ldupkey = "X$freq|$call|$dt|\L$text";
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my $sdupkey = "X$freq|$call|$dt|$by";
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return 1 if DXDupe::find($ldupkey) || DXDupe::find($sdupkey);
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}
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my $ldupkey = "X$freq|$call|$d|\L$text";
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$sdupkey = "X$freq|$call|$d|$by";
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DXDupe::add($ldupkey, $main::systime+$dupage);
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DXDupe::add($sdupkey, $main::systime+$dupage);
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return 0;
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}
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sub listdups
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{
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return DXDupe::listdups('X', $dupage, @_);
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}
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sub genstats($)
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{
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my $date = shift;
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my $in = $fp->open($date);
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my $out = $statp->open($date, 'w');
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my @freq;
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my %list;
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my @tot;
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if ($in && $out) {
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my $i = 0;
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@freq = map {[$i++, Bands::get_freq($_)]} qw(136khz 160m 80m 60m 40m 30m 20m 17m 15m 12m 10m 6m 4m 2m 220 70cm 23cm 13cm 9cm 6cm 3cm 12mm 6mm);
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while (<$in>) {
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chomp;
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my ($freq, $by, $dxcc) = (split /\^/)[0,4,6];
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my $ref = $list{$by} || [0, $dxcc];
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for (@freq) {
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if ($freq >= $_->[1] && $freq <= $_->[2]) {
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$$ref[$_->[0]+2]++;
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$tot[$_->[0]+2]++;
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$$ref[0]++;
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$tot[0]++;
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$list{$by} = $ref;
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last;
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}
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}
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}
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for ($i = 0; $i < @freq+2; $i++) {
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$tot[$i] ||= 0;
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}
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$statp->write($date, join('^', 'TOTALS', @tot));
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for (sort {$list{$b}->[0] <=> $list{$a}->[0]} keys %list) {
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my $ref = $list{$_};
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my $call = $_;
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for ($i = 0; $i < @freq+2; ++$i) {
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$ref->[$i] ||= 0;
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}
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$statp->write($date, join('^', $call, @$ref));
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}
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$statp->close;
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}
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}
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# return true if the stat file is newer than than the spot file
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sub checkstats($)
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{
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my $date = shift;
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my $in = $fp->mtime($date);
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my $out = $statp->mtime($date);
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return defined $out && defined $in && $out >= $in;
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}
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# daily processing
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sub daily
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{
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my $date = Julian::Day->new($main::systime)->sub(1);
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genstats($date) unless checkstats($date);
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}
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1;
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