From 8c587a0277216e4af9865dedfca249044c1ed875 Mon Sep 17 00:00:00 2001
From: Siraaj Khandkar <siraaj@khandkar.net>
Date: Fri, 22 Mar 2019 16:06:07 -0400
Subject: [PATCH] Add disk sensor

---
 x4/bin/khatus_x4_sensor_disk | 37 ++++++++++++++++++++++++++++++++++++
 x4/sanity_check              |  4 +++-
 2 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100755 x4/bin/khatus_x4_sensor_disk

diff --git a/x4/bin/khatus_x4_sensor_disk b/x4/bin/khatus_x4_sensor_disk
new file mode 100755
index 0000000..7beebd3
--- /dev/null
+++ b/x4/bin/khatus_x4_sensor_disk
@@ -0,0 +1,37 @@
+#! /bin/sh
+
+set -e
+
+bin_dir="$(dirname $(realpath $0))"
+
+. "$bin_dir/khatus_x4_lib_common_sensor.sh"
+
+while :
+do
+    case "$1"
+    in '')
+        break
+    ;; -f|--file)
+        case "$2"
+        in '')
+            printf "Option $1 requires and argument\n" >&2
+            exit 1
+        ;; *)
+            file="$2"
+            shift 2
+        esac
+    ;; *)
+        shift 1
+    esac
+done
+
+sensor() {
+    df --output=pcent "$file" | awk '
+        NR == 2 {
+            sub("%$", "", $1)
+            print("disk_usage_percentage", $1)
+        }
+    '
+}
+
+run_as_poller
diff --git a/x4/sanity_check b/x4/sanity_check
index 125369a..749a3ea 100755
--- a/x4/sanity_check
+++ b/x4/sanity_check
@@ -23,6 +23,7 @@ sensors_fork_all() {
     ./bin/khatus_x4_sensor_memory   &
     ./bin/khatus_x4_sensor_loadavg  &
     ./bin/khatus_x4_sensor_temp -i 1 -- -z 0 &
+    ./bin/khatus_x4_sensor_disk -- -f / &
 }
 
 sensor_read_one() {
@@ -46,7 +47,8 @@ sensors_read_all() {
         mem="$(sensor_read_one ${dir}/khatus_x4_sensor_memory/out/percent_used)"
         load="$(sensor_read_one ${dir}/khatus_x4_sensor_loadavg/out/load_avg_1min)"
         temp="$(sensor_read_one ${dir}/khatus_x4_sensor_temp/out/thermal_zone0)"
-        echo "E[${battery_state} ${battery_percentage}] M:${mem}% L:${load} T:${temp}°C [${mpd}] [$bluetooth_controllers $bluetooth_devices] ${datetime}"
+        disk="$(sensor_read_one ${dir}/khatus_x4_sensor_disk/out/disk_usage_percentage)"
+        echo "E[${battery_state} ${battery_percentage}] M:${mem}% L:${load} T:${temp}°C D:${disk}% [${mpd}] [$bluetooth_controllers $bluetooth_devices] ${datetime}"
         sleep 1
     done
 }
-- 
2.20.1