4 # Copyright (c) - 1998 Dirk Koopman G1TLH
20 use vars qw($fp $maxspots $defaultspots $maxdays $dirprefix %dup $duplth $dupage);
23 $maxspots = 50; # maximum spots to return
24 $defaultspots = 10; # normal number of spots to return
25 $maxdays = 35; # normal maximum no of days to go back
27 %dup = (); # the spot duplicates hash
28 $duplth = 20; # the length of text to use in the deduping
29 $dupage = 3*3600; # the length of time to hold spot dups
33 mkdir "$dirprefix", 0777 if !-e "$dirprefix";
34 $fp = DXLog::new($dirprefix, "dat", 'd');
42 # add a spot to the data file (call as Spot::add)
45 my @spot = @_; # $freq, $call, $t, $comment, $spotter = @_
46 my @out = @spot[0..4]; # just up to the spotter
49 $spot[0] = sprintf "%.f", $spot[0];
51 # remove ssids if present on spotter
52 $out[4] =~ s/-\d+$//o;
54 # remove leading and trailing spaces
55 $spot[3] = unpad($spot[3]);
57 # add the 'dxcc' country on the end for both spotted and spotter, then the cluster call
58 my @dxcc = Prefix::extract($out[1]);
59 my $spotted_dxcc = (@dxcc > 0 ) ? $dxcc[1]->dxcc() : 0;
60 my $spotted_itu = (@dxcc > 0 ) ? $dxcc[1]->itu() : 0;
61 my $spotted_cq = (@dxcc > 0 ) ? $dxcc[1]->cq() : 0;
62 push @out, $spotted_dxcc;
63 @dxcc = Prefix::extract($out[4]);
64 my $spotter_dxcc = (@dxcc > 0 ) ? $dxcc[1]->dxcc() : 0;
65 my $spotter_itu = (@dxcc > 0 ) ? $dxcc[1]->itu() : 0;
66 my $spotter_cq = (@dxcc > 0 ) ? $dxcc[1]->cq() : 0;
67 push @out, $spotter_dxcc;
70 my $buf = join("\^", @out);
72 # compare dates to see whether need to open another save file (remember, redefining $fp
73 # automagically closes the output file (if any)).
74 $fp->writeunix($out[2], $buf);
76 return (@out, $spotted_itu, $spotted_cq, $spotter_itu, $spotter_cq);
79 # search the spot database for records based on the field no and an expression
80 # this returns a set of references to the spots
82 # the expression is a legal perl 'if' statement with the possible fields indicated
87 # $f2 = date in unix format
90 # $f5 = spotted dxcc country
91 # $f6 = spotter dxcc country
95 # In addition you can specify a range of days, this means that it will start searching
96 # from <n> days less than today to <m> days less than today
98 # Also you can select a range of entries so normally you would get the 0th (latest) entry
99 # back to the 5th latest, you can specify a range from the <x>th to the <y>the oldest.
101 # This routine is designed to be called as Spot::search(..)
106 my ($expr, $dayfrom, $dayto, $from, $to) = @_;
112 my @today = Julian::unixtoj(time());
116 $dayfrom = 0 if !$dayfrom;
117 $dayto = $maxdays if !$dayto;
118 @fromdate = Julian::sub(@today, $dayfrom);
119 @todate = Julian::sub(@fromdate, $dayto);
120 $from = 0 unless $from;
121 $to = $defaultspots unless $to;
123 $to = $from + $maxspots if $to - $from > $maxspots || $to - $from <= 0;
125 $expr =~ s/\$f(\d)/\$ref->[$1]/g; # swap the letter n for the correct field name
126 # $expr =~ s/\$f(\d)/\$spots[$1]/g; # swap the letter n for the correct field name
128 dbg("search", "expr='$expr', spotno=$from-$to, day=$dayfrom-$dayto\n");
130 # build up eval to execute
134 for (\$c = \$#spots; \$c >= 0; \$c--) {
135 \$ref = \$spots[\$c];
138 next if \$count < \$from; # wait until from
140 last if \$count >= \$to; # stop after to
145 $fp->close; # close any open files
147 for ($i = $count = 0; $i < $maxdays; ++$i) { # look thru $maxdays worth of files only
148 my @now = Julian::sub(@fromdate, $i); # but you can pick which $maxdays worth
149 last if Julian::cmp(@now, @todate) <= 0;
152 my $fh = $fp->open(@now); # get the next file
157 push @spots, [ split '\^' ];
159 eval $eval; # do the search on this file
160 last if $count >= $to; # stop after to
161 return ("Spot search error", $@) if $@;
168 # format a spot for user output in 'broadcast' mode
172 my $t = ztime($dx[2]);
173 my $ref = DXUser->get_current($dx[4]);
174 my $loc = $ref->qra if $ref && $ref->qra;
175 $loc = ' ' . substr($ref->qra, 0, 4) if $loc;
176 $loc = "" unless $loc;
177 return sprintf "DX de %-7.7s%11.1f %-12.12s %-30s %s$loc", "$dx[4]:", $dx[0], $dx[1], $dx[3], $t ;
180 # format a spot for user output in list mode
184 my $t = ztime($dx[2]);
185 my $d = cldate($dx[2]);
186 return sprintf "%8.1f %-11s %s %s %-28.28s%7s>", $dx[0], $dx[1], $d, $t, $dx[3], "<$dx[4]" ;
190 # return all the spots from a day's file as an array of references
191 # the parameter passed is a julian day
196 my $fh = $fp->open(@_);
201 push @spots, [ split '\^' ];
207 # enter the spot for dup checking and return true if it is already a dup
210 my ($freq, $call, $d, $text) = @_;
213 return 2 if $d < $main::systime - $dupage;
215 $freq = sprintf "%.1f", $freq; # normalise frequency
217 $text = substr($text, 0, $duplth) if length $text > $duplth;
219 my $dupkey = "$freq|$call|$d|$text";
220 return 1 if exists $dup{$dupkey};
221 $dup{$dupkey} = $d * 60; # in seconds (to the nearest minute)
225 # called every hour and cleans out the dup cache
228 my $cutoff = $main::systime - $dupage;
229 while (my ($key, $val) = each %dup) {
230 delete $dup{$key} if $val < $cutoff;
237 for (sort { $dup{$a} <=> $dup{$b} } keys %dup) {
239 push @out, "$_ = $val (" . cldatetime($val) . ")";