use rrdtool pipe in poller.

git-svn-id: http://www.observium.org/svn/observer/trunk@2631 61d68cd4-352d-0410-923a-c4978735b2b8

poll-billing.php

@@ -7,6 +7,8 @@ include("includes/functions.php");
 
 $iter = "0";
 
+rrdtool_pipe_open($rrd_process, $rrd_pipes);
+
 echo("Starting Polling Session ... \n\n");
 
 foreach (dbFetchRows("SELECT * FROM `bills`") as $bill_data)
@@ -102,4 +104,7 @@ function CollectData($bill_id)
 
 if ($argv[1]) { CollectData($argv[1]); }
 
+rrdtool_pipe_close($rrd_process, $rrd_pipes);
+
+
 ?>