#!/usr/bin/perl
#
# The geomagnetic information and calculation module
+# a chanfe
#
# Copyright (c) 1998 - Dirk Koopman G1TLH
#
-# $Id$
+#
#
package Geomag;
use DXUtil;
use DXLog;
use Julian;
-use FileHandle;
-use Carp;
+use IO::File;
+use DXDebug;
+use DXDupe;
use strict;
-use vars qw($date $sfi $k $a $forecast @allowed @denied $fp $node $from);
-
-$fp = 0; # the DXLog fcb
-$date = 0; # the unix time of the WWV (notional)
-$sfi = 0; # the current SFI value
-$k = 0; # the current K value
-$a = 0; # the current A value
-$forecast = ""; # the current geomagnetic forecast
-$node = ""; # originating node
-$from = ""; # who this came from
-@allowed = (); # if present only these callsigns are regarded as valid WWV updators
-@denied = (); # if present ignore any wwv from these callsigns
-my $dirprefix = "$main::data/wwv";
-my $param = "$dirprefix/param";
+
+use vars qw($date $sfi $k $a $r $forecast @allowed @denied $fp $node $from
+ $dirprefix $param
+ $duplth $dupage $filterdef);
+
+$fp = 0; # the DXLog fcb
+$date = 0; # the unix time of the WWV (notional)
+$sfi = 0; # the current SFI value
+$k = 0; # the current K value
+$a = 0; # the current A value
+$r = 0; # the current R value
+$forecast = ""; # the current geomagnetic forecast
+$node = ""; # originating node
+$from = ""; # who this came from
+@allowed = (); # if present only these callsigns are regarded as valid WWV updators
+@denied = (); # if present ignore any wwv from these callsigns
+$duplth = 20; # the length of text to use in the deduping
+$dupage = 12*3600; # the length of time to hold spot dups
+
+$dirprefix = "$main::data/wwv";
+$param = "$dirprefix/param";
+
+$filterdef = bless ([
+ # tag, sort, field, priv, special parser
+ ['by', 'c', 0],
+ ['origin', 'c', 1],
+ ['channel', 'c', 2],
+ ['by_dxcc', 'nc', 3],
+ ['by_itu', 'ni', 4],
+ ['by_zone', 'nz', 5],
+ ['origin_dxcc', 'nc', 6],
+ ['origin_itu', 'ni', 7],
+ ['origin_zone', 'nz', 8],
+ ], 'Filter::Cmd');
sub init
{
$fp = DXLog::new('wwv', 'dat', 'm');
- mkdir $dirprefix, 0777 if !-e $dirprefix; # now unnecessary DXLog will create it
do "$param" if -e "$param";
confess $@ if $@;
}
# write the current data away
sub store
{
- my $fh = new FileHandle;
- open $fh, "> $param" or confess "can't open $param $!";
- print $fh "# Geomagnetic data parameter file last mod:", scalar gmtime, "\n";
- print $fh "\$date = $date;\n";
- print $fh "\$sfi = $sfi;\n";
- print $fh "\$a = $a;\n";
- print $fh "\$k = $k;\n";
- print $fh "\$from = '$from';\n";
- print $fh "\$node = '$node';\n";
- print $fh "\@denied = qw(", join(' ', @denied), ");\n" if @denied > 0;
- print $fh "\@allowed = qw(", join(' ', @allowed), ");\n" if @allowed > 0;
- close $fh;
-
- # log it
- $fp->writeunix($date, "$from^$date^$sfi^$a^$k^$forecast^$node\n");
+ my $fh = new IO::File;
+ open $fh, "> $param" or confess "can't open $param $!";
+ print $fh "# Geomagnetic data parameter file last mod:", scalar gmtime, "\n";
+ print $fh "\$date = $date;\n";
+ print $fh "\$sfi = $sfi;\n";
+ print $fh "\$a = $a;\n";
+ print $fh "\$k = $k;\n";
+ print $fh "\$r = $r;\n";
+ print $fh "\$from = '$from';\n";
+ print $fh "\$node = '$node';\n";
+ print $fh "\@denied = qw(", join(' ', @denied), ");\n" if @denied > 0;
+ print $fh "\@allowed = qw(", join(' ', @allowed), ");\n" if @allowed > 0;
+ close $fh;
+
+ # log it
+ $fp->writeunix($date, "$from^$date^$sfi^$a^$k^$forecast^$node^$r");
}
# update WWV info in one go (usually from a PC23)
sub update
{
- my ($mydate, $mytime, $mysfi, $mya, $myk, $myforecast, $myfrom, $mynode) = @_;
- if ((@allowed && grep {$_ eq $from} @allowed) ||
- (@denied && !grep {$_ eq $from} @denied) ||
- (@allowed == 0 && @denied == 0)) {
-
- my $trydate = cltounix($mydate, sprintf("%02d18Z", $mytime));
- if ($trydate >= $date) {
- $sfi = 0 + $mysfi;
- $k = 0 + $myk;
- $a = 0 + $mya;
- $forecast = $myforecast;
- $date = $trydate;
- $from = $myfrom;
- $node = $mynode;
-
- store();
+ my ($mydate, $mytime, $mysfi, $mya, $myk, $myforecast, $myfrom, $mynode, $myr) = @_;
+ $myfrom =~ s/-\d+$//;
+ if ((@allowed && grep {$_ eq $myfrom} @allowed) ||
+ (@denied && !grep {$_ eq $myfrom} @denied) ||
+ (@allowed == 0 && @denied == 0)) {
+
+ # my $trydate = cltounix($mydate, sprintf("%02d18Z", $mytime));
+ if ($mydate > $date) {
+ if ($myr) {
+ $r = 0 + $myr;
+ } else {
+ $r = 0 unless abs ($mysfi - $sfi) > 3;
+ }
+ $sfi = 0 + $mysfi;
+ $k = 0 + $myk;
+ $a = 0 + $mya;
+ $forecast = $myforecast;
+ $date = $mydate;
+ $from = $myfrom;
+ $node = $mynode;
+
+ store();
+ }
}
- }
}
# add or substract an allowed callsign
sub allowed
{
- my $flag = shift;
- if ($flag eq '+') {
- push @allowed, map {uc $_} @_;
- } else {
- my $c;
- foreach $c (@_) {
- @allowed = map {$_ ne uc $c} @allowed;
- }
- }
- store();
+ my $flag = shift;
+ if ($flag eq '+') {
+ push @allowed, map {uc $_} @_;
+ } else {
+ my $c;
+ foreach $c (@_) {
+ @allowed = map {$_ ne uc $c} @allowed;
+ }
+ }
+ store();
}
# add or substract a denied callsign
sub denied
{
- my $flag = shift;
- if ($flag eq '+') {
- push @denied, map {uc $_} @_;
- } else {
- my $c;
- foreach $c (@_) {
- @denied = map {$_ ne uc $c} @denied;
- }
- }
- store();
+ my $flag = shift;
+ if ($flag eq '+') {
+ push @denied, map {uc $_} @_;
+ } else {
+ my $c;
+ foreach $c (@_) {
+ @denied = map {$_ ne uc $c} @denied;
+ }
+ }
+ store();
}
# accessor routines (when I work how symbolic refs work I might use one of those!)
sub sfi
{
- @_ ? $sfi = shift : $sfi ;
+ @_ ? $sfi = shift : $sfi ;
}
sub k
{
- @_ ? $k = shift : $k ;
+ @_ ? $k = shift : $k ;
+}
+
+sub r
+{
+ @_ ? $r = shift : $r ;
}
sub a
{
- @_ ? $a = shift : $a ;
+ @_ ? $a = shift : $a ;
}
sub forecast
{
- @_ ? $forecast = shift : $forecast ;
+ @_ ? $forecast = shift : $forecast ;
}
+
+#
+# print some items from the log backwards in time
+#
+# This command outputs a list of n lines starting from line $from to $to
+#
+sub search
+{
+ my $from = shift;
+ my $to = shift;
+ my $date = $fp->unixtoj(shift);
+ my $pattern = shift;
+ my $search;
+ my @out;
+ my $eval;
+ my $count;
+
+ $search = 1;
+ $eval = qq(
+ my \$c;
+ my \$ref;
+ for (\$c = \$#in; \$c >= 0; \$c--) {
+ \$ref = \$in[\$c];
+ if ($search) {
+ \$count++;
+ next if \$count < \$from;
+ push \@out, \$ref;
+ last if \$count >= \$to; # stop after n
+ }
+ }
+ );
+
+ $fp->close; # close any open files
+
+ my $fh = $fp->open($date);
+ for ($count = 0; $count < $to; ) {
+ my @in = ();
+ if ($fh) {
+ while (<$fh>) {
+ chomp;
+ push @in, [ split '\^' ] if length > 2;
+ }
+ eval $eval; # do the search on this file
+ return ("Geomag search error", $@) if $@;
+ last if $count >= $to; # stop after n
+ }
+ $fh = $fp->openprev(); # get the next file
+ last if !$fh;
+ }
+
+ return @out;
+}
+
+#
+# the standard log printing interpreting routine.
+#
+# every line that is printed should call this routine to be actually visualised
+#
+# Don't really know whether this is the correct place to put this stuff, but where
+# else is correct?
+#
+# I get a reference to an array of items
+#
+sub print_item
+{
+ my $r = shift;
+ my @ref = @$r;
+ my $d = cldate($ref[1]);
+ my ($t) = (gmtime($ref[1]))[2];
+
+ return sprintf("$d %02d %5d %3d %3d %-37s <%s>", $t, $ref[2], $ref[3], $ref[4], $ref[5], $ref[0]);
+}
+
+#
+# read in this month's data
+#
+sub readfile
+{
+ my $date = $fp->unixtoj(shift);
+ my $fh = $fp->open($date);
+ my @spots = ();
+ my @in;
+
+ if ($fh) {
+ while (<$fh>) {
+ chomp;
+ push @in, [ split '\^' ] if length > 2;
+ }
+ }
+ return @in;
+}
+
+# enter the spot for dup checking and return true if it is already a dup
+sub dup
+{
+ my ($d, $sfi, $k, $a, $text, $call) = @_;
+
+ # dump if too old
+ return 2 if $d < $main::systime - $dupage;
+
+ my $dupkey = "W$d|$sfi|$k|$a|$call";
+ return DXDupe::check($dupkey, $main::systime+$dupage);
+}
+
+sub listdups
+{
+ return DXDupe::listdups('W', $dupage, @_);
+}
1;
__END__;
+
projects / spider.git / blobdiff