From: Dirk Koopman <djk@tobit.co.uk>
Date: Sat, 24 Jan 2015 00:14:18 +0000 (+0000)
Subject: saner loop_data opening/closing
X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=104d1371435741ced5e3fe8f78f352865505133c;p=dweather.git

saner loop_data opening/closing
---

diff --git a/loop.pl b/loop.pl
index b5e939d..4046ca9 100755
--- a/loop.pl
+++ b/loop.pl
@@ -168,10 +168,6 @@ exit 0;
 	
 sub loop
 {
-
-	open $dataf, "+>>", $datafn or die "cannot open $datafn $!";
-	$dataf->autoflush(1);
-	
 	read_ld();
 	
 	dbg "last_min: " . scalar gmtime($ld->{last_min});
@@ -380,6 +376,8 @@ sub process
 		if ($dayno > $ld->{last_day}) {
 			$ld->{Temp_Out_Max} = $ld->{Temp_Out_Min} = $temp;
 			$ld->{last_day} = $dayno;
+			write_ld();
+			cycle_loop_data_files();
 		}
 		$ld->{Temp_Out_Max} = $temp if $temp > $ld->{Temp_Out_Max};
 		$ld->{Temp_Out_Min} = $temp if $temp < $ld->{Temp_Out_Min};
@@ -623,7 +621,10 @@ sub calc_rain
 
 sub read_ld
 {
-	return unless $dataf;
+	unless ($dataf) {
+		open $dataf, "+>>", $datafn or die "cannot open $datafn $!";
+		$dataf->autoflush(1);
+	}
 
 	seek $dataf, 0, 0;
 	my $s = <$dataf>;
@@ -650,7 +651,10 @@ sub read_ld
 
 sub write_ld
 {
-	return unless $dataf;
+	unless ($dataf) {
+		open $dataf, "+>>", $datafn or die "cannot open $datafn $!";
+		$dataf->autoflush(1);
+	}
 
 	seek $dataf, 0, 0;
 	truncate $dataf, 0;
@@ -662,6 +666,8 @@ sub write_ld
 
 sub cycle_loop_data_files
 {
+	close $dataf if $dataf;
+	
 	rename "$datafn.oooo", "$datafn.ooooo";
 	rename "$datafn.ooo", "$datafn.oooo";
 	rename "$datafn.oo", "$datafn.ooo";