#
# Copyright (c) - Dirk Koopman G1TLH
#
-# $Id$
+#
#
package Prefix;
use DXUtil;
use USDB;
use LRU;
+use DXBearing;
use strict;
-use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
-$main::build += $VERSION;
-$main::branch += $BRANCH;
-
use vars qw($db %prefix_loc %pre $lru $lrusize $misses $hits $matchtotal);
$db = undef; # the DB_File handle
%prefix_loc = (); # the meat of the info
%pre = (); # the prefix list
$hits = $misses = $matchtotal = 1; # cache stats
-$lrusize = 1000; # size of prefix LRU cache
+$lrusize = 5000; # size of prefix LRU cache
+
+sub init
+{
+ my $r = load();
+ return $r if $r;
+
+ # fix up the node's default country codes
+ unless (@main::my_cc) {
+ push @main::my_cc, (61..67) if $main::mycall =~ /^GB/;
+ push @main::my_cc, qw(EA EA6 EA8 EA9) if $main::mycall =~ /^E[ABCD]/;
+ push @main::my_cc, qw(I IT IS) if $main::mycall =~ /^I/;
+ push @main::my_cc, qw(SV SV5 SV9) if $main::mycall =~ /^SV/;
+
+ # catchall
+ push @main::my_cc, $main::mycall unless @main::my_cc;
+ }
+
+ my @c;
+ for (@main::my_cc) {
+ if (/^\d+$/) {
+ push @c, $_;
+ } else {
+ my @dxcc = extract($_);
+ push @c, $dxcc[1]->dxcc if @dxcc > 1;
+ }
+ }
+ return "\@main::my_cc does not contain a valid prefix or callsign (" . join(',', @main::my_cc) . ")" unless @c;
+ @main::my_cc = @c;
+ return undef;
+}
sub load
{
}
# tie the main prefix database
- $db = tie(%pre, "DB_File", undef, O_RDWR|O_CREAT, 0664, $DB_BTREE) or confess "can't tie \%pre ($!)";
- my $out = $@ if $@;
- do "$main::data/prefix_data.pl" if !$out;
- $out = $@ if $@;
+ eval {$db = tie(%pre, "DB_File", undef, O_RDWR|O_CREAT, 0664, $DB_BTREE);};
+ my $out = "$@($!)" if !$db || $@ ;
+ my $fn = localdata("prefix_data.pl");
+ die "Prefix.pm: cannot find $fn, have you run /spider/perl/create_prefix.pl?" unless -e $fn;
+
+ eval {do $fn if !$out; };
+ $out .= $@ if $@;
$lru = LRU->newbase('Prefix', $lrusize);
return $out;
}
-sub store
+sub loaded
{
- my ($k, $l);
- my $fh = new IO::File;
- my $fn = "$main::data/prefix_data.pl";
-
- confess "Prefix system not started" if !$db;
-
- # save versions!
- rename "$fn.oooo", "$fn.ooooo" if -e "$fn.oooo";
- rename "$fn.ooo", "$fn.oooo" if -e "$fn.ooo";
- rename "$fn.oo", "$fn.ooo" if -e "$fn.oo";
- rename "$fn.o", "$fn.oo" if -e "$fn.o";
- rename "$fn", "$fn.o" if -e "$fn";
-
- $fh->open(">$fn") or die "Can't open $fn ($!)";
-
- # prefix location data
- $fh->print("%prefix_loc = (\n");
- foreach $l (sort {$a <=> $b} keys %prefix_loc) {
- my $r = $prefix_loc{$l};
- $fh->printf(" $l => bless( { name => '%s', dxcc => %d, itu => %d, utcoff => %d, lat => %f, long => %f }, 'Prefix'),\n",
- $r->{name}, $r->{dxcc}, $r->{itu}, $r->{cq}, $r->{utcoff}, $r->{lat}, $r->{long});
- }
- $fh->print(");\n\n");
-
- # prefix data
- $fh->print("%pre = (\n");
- foreach $k (sort keys %pre) {
- $fh->print(" '$k' => [");
- my @list = @{$pre{$k}};
- my $l;
- my $str;
- foreach $l (@list) {
- $str .= " $l,";
- }
- chop $str;
- $fh->print("$str ],\n");
- }
- $fh->print(");\n");
- undef $fh;
- untie %pre;
+ return $db;
}
+
# what you get is a list that looks like:-
#
# prefix => @list of blessed references to prefix_locs
sub lru_put
{
my ($call, $ref) = @_;
+ $call =~ s/^=//;
my @s = USDB::get($call);
if (@s) {
LM: foreach $call (split /,/, $calls) {
- # first check if the whole thing succeeds either because it is cached
- # or because it simply is a stored prefix as callsign (or even a prefix)
$matchtotal++;
$call =~ s/-\d+$//; # ignore SSIDs
- my $p = $lru->get($call);
my @nout;
+ my $ecall = "=$call";
+
+ # first check if this is a call (by prefixing it with an = sign)
+ my $p = $lru->get($ecall);
+ if ($p) {
+ $hits++;
+ if (isdbg('prefix')) {
+ my $percent = sprintf "%.1f", $hits * 100 / $misses;
+ dbg("Prefix Exact Cache Hit: $call Hits: $hits/$misses of $matchtotal = $percent\%");
+ }
+ push @out, @$p;
+ next;
+ }
+
+ # then check if the whole thing succeeds either because it is cached
+ # or because it simply is a stored prefix as callsign (or even a prefix)
+ $p = $lru->get($call);
if ($p) {
$hits++;
if (isdbg('prefix')) {
}
push @out, @$p;
next;
+ }
+
+ # is it in the USDB, force a matchprefix to match?
+ my @s = USDB::get($call);
+ if (@s) {
+ @nout = get($call);
+ @nout = matchprefix($call) unless @nout;
+ $nout[0] = $ecall if @nout;
} else {
-
- # is it in the USDB, force a matchprefix to match?
- my @s = USDB::get($call);
- if (@s) {
- @nout = get($call);
- @nout = matchprefix($call) unless @nout;
- $nout[0] = $call if @nout;
- } else {
- @nout = get($call);
- }
- # now store it
- if (@nout && $nout[0] eq $call) {
- $misses++;
- lru_put($call, \@nout);
- dbg("got exact prefix: $nout[0]") if isdbg('prefix');
- push @out, @nout;
- next;
- }
+ # try a straight get for an exact callsign
+ @nout = get($ecall);
+ }
+
+ # now store the exact prefix if it has been found
+ if (@nout && $nout[0] eq $ecall) {
+ $misses++;
+ $nout[0] = $call;
+ lru_put("=$call", \@nout);
+ dbg("got exact prefix: $nout[0]") if isdbg('prefix');
+ push @out, @nout;
+ next;
+ }
+
+ # now try a non-exact call/prefix
+ if ((@nout = get($call)) && $nout[0] eq $call) {
+ $misses++;
+ lru_put($call, \@nout);
+ dbg("got exact prefix: $nout[0]") if isdbg('prefix');
+ push @out, @nout;
+ next;
}
# now split the call into parts if required
}
# we are a pirate!
- @nout = matchprefix('Q');
+ @nout = matchprefix('QQ');
$misses++;
lru_put($call, \@nout);
push @out, @nout;
return @out;
}
+# get the full country data (dxcc, itu, cq, state, city) as a list
+# from a callsign.
+sub cty_data
+{
+ my $call = shift;
+
+ my @dxcc = extract($call);
+ if (@dxcc) {
+ my $state = $dxcc[1]->state || '';
+ my $city = $dxcc[1]->city || '';
+ my $name = $dxcc[1]->name || '';
+
+ return ($dxcc[1]->dxcc, $dxcc[1]->itu, $dxcc[1]->cq, $state, $city, $name);
+ }
+ return (666,0,0,'','','Pirate-Country-QQ');
+}
+
my %valid = (
lat => '0,Latitude,slat',
long => '0,Longitude,slong',
city => '0,City',
utcoff => '0,UTC offset',
cont => '0,Continent',
+ qra => '0,Locator',
);
sub AUTOLOAD
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