4 # Copyright (c) - 1998 Dirk Koopman G1TLH
21 use vars qw($fp $maxspots $defaultspots $maxdays $dirprefix);
24 $maxspots = 50; # maximum spots to return
25 $defaultspots = 10; # normal number of spots to return
26 $maxdays = 35; # normal maximum no of days to go back
31 mkdir "$dirprefix", 0777 if !-e "$dirprefix";
32 $fp = DXLog::new($dirprefix, "dat", 'd')
40 # add a spot to the data file (call as Spot::add)
43 my @spot = @_; # $freq, $call, $t, $comment, $spotter = @_
44 my @out = @spot[0..4]; # just up to the spotter
46 # sure that the numeric things are numeric now (saves time later)
47 $spot[0] = 0 + $spot[0];
48 $spot[2] = 0 + $spot[2];
50 # remove ssids if present on spotter
51 $out[4] =~ s/-\d+$//o;
53 # add the 'dxcc' country on the end for both spotted and spotter, then the cluster call
54 my @dxcc = Prefix::extract($out[1]);
55 push @out, (@dxcc > 0 ) ? $dxcc[1]->dxcc() : 0;
56 @dxcc = Prefix::extract($out[4]);
57 push @out, (@dxcc > 0 ) ? $dxcc[1]->dxcc() : 0;
60 my $buf = join("\^", @out);
62 # compare dates to see whether need to open another save file (remember, redefining $fp
63 # automagically closes the output file (if any)).
64 $fp->writeunix($out[2], $buf);
69 # search the spot database for records based on the field no and an expression
70 # this returns a set of references to the spots
72 # the expression is a legal perl 'if' statement with the possible fields indicated
77 # $f2 = date in unix format
82 # In addition you can specify a range of days, this means that it will start searching
83 # from <n> days less than today to <m> days less than today
85 # Also you can select a range of entries so normally you would get the 0th (latest) entry
86 # back to the 5th latest, you can specify a range from the <x>th to the <y>the oldest.
88 # This routine is designed to be called as Spot::search(..)
93 my ($expr, $dayfrom, $dayto, $from, $to) = @_;
99 my @today = Julian::unixtoj(time);
103 $dayfrom = 0 if !$dayfrom;
104 $dayto = $maxdays if !$dayto;
105 @fromdate = Julian::sub(@today, $dayfrom);
106 @todate = Julian::sub(@fromdate, $dayto);
107 $from = 0 unless $from;
108 $to = $defaultspots unless $to;
110 $to = $from + $maxspots if $to - $from > $maxspots || $to - $from <= 0;
112 $expr =~ s/\$f(\d)/\$ref->[$1]/g; # swap the letter n for the correct field name
113 # $expr =~ s/\$f(\d)/\$spots[$1]/g; # swap the letter n for the correct field name
115 dbg("search", "expr='$expr', spotno=$from-$to, day=$dayfrom-$dayto\n");
117 # build up eval to execute
121 for (\$c = \$#spots; \$c >= 0; \$c--) {
122 \$ref = \$spots[\$c];
125 next if \$count < \$from; # wait until from
127 last if \$count >= \$to; # stop after to
132 $fp->close; # close any open files
134 for ($i = 0; $i < $maxdays; ++$i) { # look thru $maxdays worth of files only
135 my @now = Julian::sub(@fromdate, $i); # but you can pick which $maxdays worth
136 last if Julian::cmp(@now, @todate) <= 0;
139 my $fh = $fp->open(@now); # get the next file
144 push @spots, [ split '\^' ];
146 eval $eval; # do the search on this file
147 last if $count >= $to; # stop after to
148 return ("Spot search error", $@) if $@;
155 # format a spot for user output in 'broadcast' mode
159 my $t = ztime($dx[2]);
160 return sprintf "DX de %-7.7s%11.1f %-12.12s %-30s %s", "$dx[4]:", $dx[0], $dx[1], $dx[3], $t ;
163 # format a spot for user output in list mode
167 my $t = ztime($dx[2]);
168 my $d = cldate($dx[2]);
169 return sprintf "%8.1f %-11s %s %s %-28.28s%7s>", $dx[0], $dx[1], $d, $t, $dx[3], "<$dx[4]" ;
173 # return all the spots from a day's file as an array of references
174 # the parameter passed is a julian day
179 my $fh = $fp->open(@_);
184 push @spots, [ split '\^' ];