add cty3126, enable spot cache as default

[spider.git] / perl / Spot.pm

diff --git a/perl/Spot.pm b/perl/Spot.pm
index bed8bd20297372fbca7e14233942e1c68029fb77..bd5f06011fc650f65883703ba0ea52dedb84d529 100644 (file)
--- a/perl/Spot.pm
+++ b/perl/Spot.pm
@@ -19,7 +19,8 @@ use DXDupe;
 use Data::Dumper;
 use QSL;
 use DXSql;
-use Julian;
+use Time::HiRes qw(gettimeofday tv_interval);
+
 
 use strict;
 
@@ -69,7 +70,7 @@ $totalspots = $hfspots = $vhfspots = 0;
 $use_db_for_search = 0;
 
 our %spotcache;                                        # the cache of data within the last $spotcachedays 0 or 2+ days
-our $spotcachedays = 0;
+our $spotcachedays = 2;
 
 
 our $readback = 1;
@@ -185,14 +186,17 @@ sub init
        }
 
        # initialise the cache if required
-       if ($spotcachedays) {
+       if ($spotcachedays > 0) {
+               my $t0 = [gettimeofday];
                $spotcachedays = 2 if $spotcachedays < 2;
-               my $now = $today->sub($spotcachedays);
-               while ($now->cmp($today) >= 0) {
+               dbg "Spot::init - reading in $spotcachedays days of spots into cache"; 
+               for (my $i = 0; $i < $spotcachedays; ++$i) {
+                       my $now = $today->sub($i);
                        my $fh = $fp->open($now);
                        if ($fh) {
                                my @in;
-                               while (<$fh>) {
+                               my $rec;
+                               for ($rec = 0; <$fh>; ++$rec) {
                                        chomp;
                                        my @s = split /\^/;
                                        if (@s < 14) {
@@ -203,13 +207,15 @@ sub init
                                                push @s, @a[0,1], @b[0,1] if @s < 12;
                                                push @s,  $a[2], $b[2] if @s < 14;
                                        }
-                                       push @in, \@s; 
+                                       unshift @in, \@s; 
                                }
                                $fh->close;
-                               $spotcache{"$now->[0]|$now->[1]"} = \@in;
+                               dbg("Spot::init read $rec spots from " . _cachek($now));
+                               $spotcache{_cachek($now)} = \@in;
                        }
                        $now->add(1);
                }
+               dbg("Spot::init $spotcachedays files of spots read into cache in " . _diffms($t0) . "mS")
        }
 }
 
@@ -254,18 +260,11 @@ sub add
 {
        my $buf = join('^', @_);
        $fp->writeunix($_[2], $buf);
-       if ($spotcachedays) {
+       if ($spotcachedays > 0) {
                my $now = Julian::Day->new($_[2]);
-               my $day = "$now->[0]|$now->[1]";
-               my $r = exists $spotcache{$day} ? $spotcache{$day} : $spotcache{$day} = [];
-               unshift @$r, @_;
-
-               # remove old days
-               while (keys %spotcache > $spotcachedays+1) {
-                       while (sort keys %spotcache > $spotcachedays+1) {
-                               delete $spotcache{$_};
-                       }
-               }
+               my $day = _cachek($now);
+               my $r = (exists $spotcache{$day}) ? $spotcache{$day} : ($spotcache{$day} = []);
+               unshift @$r, \@_;
        }
        if ($main::dbh) {
                $main::dbh->begin_work;
@@ -364,47 +363,65 @@ sub search
        for ($i = $count = 0; $count < $to && $i < $maxdays; ++$i) { # look thru $maxdays worth of files only
                last if $now->cmp($todate) <= 0;
 
-               if ($spotcachedays) {
-                       
-               }
-               my $fn = $fp->fn($now->sub($i));
-               if ($readback) {
-                       dbg("Spot::search search using tac fn: $fn $i") if isdbg('search');
-                       $fh = IO::File->new("$readback $fn |");
-               }
-               else {
-                       dbg("Spot::search search fn: $fp->{fn} $i") if isdbg('search');
-                       $fh = $fp->open($now->sub($i)); # get the next file
-               }
-               if ($fh) {
-                       my $rec = 0;
-                       my $in;
-                       while (<$fh>) {
-                               chomp;
-                               my @r = split /\^/;
+
+               my $this = $now->sub($i);
+               my $fn = $fp->fn($this);
+               my $cachekey = _cachek($this); 
+               my $rec = 0;
+
+               if ($spotcachedays > 0 && $spotcache{$cachekey}) {
+                       foreach my $r (@{$spotcache{$cachekey}}) {
                                ++$rec;
                                if ($dofilter && $dxchan && $dxchan->{spotsfilter}) {
-                                       my ($gotone, undef) = $dxchan->{spotsfilter}->it(@r);
+                                       my ($gotone, undef) = $dxchan->{spotsfilter}->it(@$r);
                                        next unless $gotone;
                                }
-                               if (&$ecode(\@r)) {
+                               if (&$ecode($r)) {
                                        ++$count;
                                        next if $count < $from;
-                                       if ($readback) {
-                                               push @out, \@r;
-                                               last if $count >= $to;
-                                       } else {
-                                               push @out, \@r;
-                                               shift @out if $count >= $to;
+                                       push @out, $r;
+                                       last if $count >= $to;
+                               }
+                       }
+                       dbg("Spot::search cache recs read: $rec") if isdbg('search');
+               } else {
+                       if ($readback) {
+                               dbg("Spot::search search using tac fn: $fn $i") if isdbg('search');
+                               $fh = IO::File->new("$readback $fn |");
+                       }
+                       else {
+                               dbg("Spot::search search fn: $fp->{fn} $i") if isdbg('search');
+                               $fh = $fp->open($now->sub($i)); # get the next file
+                       }
+                       if ($fh) {
+                               my $in;
+                               while (<$fh>) {
+                                       chomp;
+                                       my @r = split /\^/;
+                                       ++$rec;
+                                       if ($dofilter && $dxchan && $dxchan->{spotsfilter}) {
+                                               my ($gotone, undef) = $dxchan->{spotsfilter}->it(@r);
+                                               next unless $gotone;
+                                       }
+                                       if (&$ecode(\@r)) {
+                                               ++$count;
+                                               next if $count < $from;
+                                               if ($readback) {
+                                                       push @out, \@r;
+                                                       last if $count >= $to;
+                                               } else {
+                                                       push @out, \@r;
+                                                       shift @out if $count >= $to;
+                                               }
                                        }
                                }
+                               dbg("Spot::search file recs read: $rec") if isdbg('search');
+                               last if $count >= $to; # stop after to
                        }
-                       dbg("Spot::search recs read: $rec") if isdbg('search');
-                       last if $count >= $to; # stop after to
-                       
-                       return ("Spot search error", $@) if $@;
                }
        }
+       return ("Spot search error", $@) if $@;
+
        @out = sort {$b->[2] <=> $a->[2]} @out if @out;
        return @out;
 }
@@ -560,6 +577,26 @@ sub daily
 {
        my $date = Julian::Day->new($main::systime)->sub(1);
        genstats($date) unless checkstats($date);
+       clean_cache();
+}
+
+sub _cachek
+{
+       return "$_[0]->[0]|$_[0]->[1]";
+}
+
+sub clean_cache
+{
+       if ($spotcachedays > 0) {
+               my $now = Julian::Day->new($main::systime);
+               for (my $i = $spotcachedays; $i < $spotcachedays + 5; ++$i ) {
+                       my $k = _cachek($now->sub($i));
+                       if (exists $spotcache{$k}) {
+                               dbg("Spot::spotcache deleting day $k, more than $spotcachedays days old");
+                               delete $spotcache{$k};
+                       }
+               }
+       }
 }
 1;