From ae0195ab312388deb8466816375addc155eadad9 Mon Sep 17 00:00:00 2001
From: James McKenzie <root@ka-ata-killa.panaceas.james.local>
Date: Sat, 18 Feb 2023 18:44:57 +0000
Subject: add code for fetching epheredies and ublox assit data

---
 metotime/decode.pl | 47 +++++++++++++++++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 12 deletions(-)

(limited to 'metotime')

diff --git a/metotime/decode.pl b/metotime/decode.pl
index 9962c75..f2e4fd0 100755
--- a/metotime/decode.pl
+++ b/metotime/decode.pl
@@ -674,8 +674,15 @@ my @cycle_4_lut = (
 
 my @cycle_2_lut = ( "Forecast day 1", "Forecast day 2", );
 
-sub decode($$$) {
-    my ( $dt, $mins_since_midnight, $bits ) = @_;
+sub match($$)
+{
+my ($a,$re)=@_;
+return 1 if ($a =~/\Q$re/);
+return 0;
+}
+
+sub decode($$$$$) {
+    my ( $dt, $mins_since_midnight, $bits, $string, $where ) = @_;
 
     $mins_since_midnight = int( ( $mins_since_midnight - 1 ) / 3 );
 
@@ -683,30 +690,46 @@ sub decode($$$) {
     my $region = $mins_since_midnight % 60;
     my $day    = int( $cycle / 2 );
 
+    my $region_str=$location_lut[$region];
+
     my $w = decode_bits( $bits, $cycle % 2 );
 
     if ( $cycle < 7 ) {
-        print "region: ", $location_lut[$region], ", cycle: ",
+
+	if (match($region_str,$where)) {
+	print $string,"\n";
+        print "region: ", $region_str, ", cycle: ",
           $cycle_4_lut[$cycle], ", when: ", time_to_string( $dt, $day ), "\n";
         print_prognosis($w);
         print_rest($w);
+}
     }
     else {
 
-        print "region: ", $location_lut[$region], ", cycle: ",
+        my $sub_region = $region % 30;
+        $sub_region += 60;
+	my $sub_region_str = $location_lut[$sub_region];
+
+	if (match($region_str,$where) or match($sub_region_str,$where)) {
+	print $string,"\n";
+	}
+
+	if (match($region_str,$where)) {
+        print "region: ", $region_str, ", cycle: ",
           $cycle_4_lut[$cycle], ", when: ", time_to_string( $dt, $day ), "\n";
         print_rest($w);
+	}
 
-        my $sub_region = $region % 30;
+	if (match($sub_region_str,$where)) {
         my $sub_cycle  = int( $region / 30 );
         my $sub_day    = 1 + $sub_cycle;
 
-        $sub_region += 60;
 
-        print "region: ", $location_lut[$sub_region], ", cycle: ",
+        print "region: ", $sub_region_str, ", cycle: ",
           $cycle_2_lut[$sub_cycle], ", when: ",
           time_to_string( $dt, $sub_day ), "\n";
         print_prognosis($w);
+	}
 
     }
 
@@ -717,7 +740,7 @@ sub decode($$$) {
 # Step 1, fetch the squished up data for the last 24 hours from the clock
 # and reconstruct the whole data stream
 
-my $bin = get("http://tock/meteotime.dat");
+my $bin = get("http://clock2k.hamachi.james.internal/meteotime.dat");
 my $bs  = unpack( 'b*', $bin );
 
 my $d = [];
@@ -775,7 +798,7 @@ for ( my $i = 0 ; $i < ( $sl - 2 ) ; ++$i ) {
 
     unless ( defined $plain ) {
         my $msg = sprintf( "Bad data at %02d:%02d", $hour, $min );
-        print STDERR "BAD DATA $msg\n";
+#        print STDERR "BAD DATA $msg\n";
         next;
     }
     next unless defined $plain;
@@ -786,9 +809,9 @@ for ( my $i = 0 ; $i < ( $sl - 2 ) ; ++$i ) {
         day   => $day
     );
 
-    printf "%04d-%02d-%02d %02d:%02d bits: %s\n", $year, $month, $day,
-      $hour, $min, b4($plain);
+    my $bits= sprintf("%04d-%02d-%02d %02d:%02d bits: %s", $year, $month, $day,
+      $hour, $min, b4($plain));
 
-    decode( $dt, $mins_since_midnight, $plain );
+    decode( $dt, $mins_since_midnight, $plain, $bits, $ARGV[0] );
 }
 
-- 
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