Merge pull request #1676 from ktsaou/master

[netdata.git] / charts.d / ap.chart.sh

diff --git a/charts.d/ap.chart.sh b/charts.d/ap.chart.sh
old mode 100755 (executable)
new mode 100644 (file)
index aed51c1..0e85c48
--- a/charts.d/ap.chart.sh
+++ b/charts.d/ap.chart.sh
@@ -1,4 +1,10 @@
-#!/bin/bash
+# no need for shebang - this file is loaded from charts.d.plugin
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
 
 # _update_every is a special variable - it holds the number of seconds
 # between the calls of the _update() function
@@ -7,11 +13,11 @@ ap_priority=6900
 
 declare -A ap_devs=()
 
-export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
-
 # _check is called once, to find out if this chart should be enabled or not
 ap_check() {
-       local ev=$(iw dev | awk '
+       require_cmd iw || return 1
+       
+       local ev=$(run iw dev | awk '
                BEGIN {
                        i = "";
                        ssid = "";
@@ -41,6 +47,7 @@ ap_check() {
        #  - 1 to disable the chart
 
        [ ${#ap_devs[@]} -gt 0 ] && return 0
+       error "no devices found in AP mode, with 'iw dev'"
        return 1
 }