From 57096eec8eb0a322b4fa3a94aca687f53948c44c Mon Sep 17 00:00:00 2001
From: Christian Weiske <cweiske@cweiske.de>
Date: Sun, 9 Dec 2012 20:48:13 +0100
Subject: [PATCH] add connection error checking

---
 heatpump-dimplex-wpm_ | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/heatpump-dimplex-wpm_ b/heatpump-dimplex-wpm_
index 0539946..cbdf74f 100755
--- a/heatpump-dimplex-wpm_
+++ b/heatpump-dimplex-wpm_
@@ -102,7 +102,13 @@ if [ "$1" = "config" ]; then
     exit 0
 fi
 
-data=`curl -s "http://$host/usr-cgi/xml.cgi?A|1|125|D|1|150|I|1|100" | xsltproc paths.xsl -`
+xml=`curl -fs "http://$host/usr-cgi/xml.cgi?A|1|125|D|1|150|I|1|100"`; ret=$?
+if [ "$ret" -ne 0 ]; then
+    echo "Error fetching data from heatpump server: $host"
+    exit 1
+fi
+
+data=`echo "$xml" | xsltproc paths.xsl -`
 
 #Outdoor temperature
 echo 'multigraph heatpump_dimplex_wpm_outtemp'
-- 
2.30.2