Re-use AWK components

[khatus.git] / src / awk / exe / monitor_energy.awk

diff --git a/src/awk/exe/monitor_energy.awk b/src/awk/exe/monitor_energy.awk
new file mode 100755 (executable)
index 0000000..0730ec7
--- /dev/null
+++ b/src/awk/exe/monitor_energy.awk
@@ -0,0 +1,48 @@
+BEGIN {
+    # TODO: Read spec from a file
+    bat_alert_spec[100] = "low|Energy_Bellow_Full|Must have perfection!"
+    bat_alert_spec[50] = "low|Energy_Bellow_Half|Where is the charger?"
+    bat_alert_spec[20] = "med|Energy_Low|Get the charger."
+    bat_alert_spec[15] = "med|Energy_Low|Get the charger!"
+    bat_alert_spec[10] = "hi|Energy_Low|Plug it in, ASAP!"
+    bat_alert_spec[5]  = "hi|Energy_CRITICALLY_Low|CHARGE NOW!!! GO GO GO!!!"
+}
+
+$1 == "OK" && \
+$2 == "khatus_sensor_energy" && \
+$3 == "line_power" {
+    line_power_prev = line_power_curr
+    line_power_curr = $4
+    if (line_power_curr == "no" && line_power_prev != "no") {
+        alert("low", "PowerUnplugged", "")
+    }
+}
+
+$1 == "OK" && \
+$2 == "khatus_sensor_energy" && \
+$3 == "battery_state" {
+    battery_state_prev = battery_state_curr
+    battery_state_curr = $4
+}
+
+$1 == "OK" && \
+$2 == "khatus_sensor_energy" && \
+$3 == "battery_percentage" {
+    # TODO: Re-think the spec - can't rely on order of keys
+    battery_percentage = util_ensure_numeric($4)
+    if (battery_state_curr == "discharging") {
+        for (threshold in bat_alert_spec) {
+            threshold = util_ensure_numeric(threshold)
+            if (battery_percentage <= threshold && !_alerted[threshold]) {
+                split(bat_alert_spec[threshold], msg, "|")
+                priority = msg[1]
+                subject = msg[2]
+                body = sprintf("%d%% %s", battery_percentage, msg[3])
+                alert(priority, subject, body)
+                _alerted[threshold]++
+            }
+        }
+    } else {
+        delete _alerted
+    }
+}