src/awk/exe/monitor_energy.awk

   1 BEGIN {
   2     # TODO: Read spec from a file
   3     bat_alert_spec[100] = "low|Energy_Bellow_Full|Must have perfection!"
   4     bat_alert_spec[50] = "low|Energy_Bellow_Half|Where is the charger?"
   5     bat_alert_spec[20] = "med|Energy_Low|Get the charger."
   6     bat_alert_spec[15] = "med|Energy_Low|Get the charger!"
   7     bat_alert_spec[10] = "hi|Energy_Low|Plug it in, ASAP!"
   8     bat_alert_spec[5]  = "hi|Energy_CRITICALLY_Low|CHARGE NOW!!! GO GO GO!!!"
   9 }
  10
  11 $1 == Node && \
  12 $2 == "khatus_sensor_energy" && \
  13 $3 == "data" && \
  14 $4 == "line_power" {
  15     line_power_prev = line_power_curr
  16     line_power_curr = $5
  17     if (line_power_curr == "no" && line_power_prev != "no") {
  18         msg_out_alert_low("PowerUnplugged", "")
  19     }
  20 }
  21
  22 $1 == Node && \
  23 $2 == "khatus_sensor_energy" && \
  24 $3 == "data" && \
  25 $4 == "battery_state" {
  26     battery_state_prev = battery_state_curr
  27     battery_state_curr = $5
  28 }
  29
  30 $1 == Node && \
  31 $2 == "khatus_sensor_energy" && \
  32 $3 == "data" && \
  33 $4 == "battery_percentage" {
  34     # TODO: Re-think the spec - can't rely on order of keys
  35     battery_percentage = num_ensure_numeric($5)
  36     if (battery_state_curr == "discharging") {
  37         for (threshold in bat_alert_spec) {
  38             threshold = num_ensure_numeric(threshold)
  39             if (battery_percentage <= threshold && !_alerted[threshold]) {
  40                 split(bat_alert_spec[threshold], alert, "|")
  41                 priority = alert[1]
  42                 subject = alert[2]
  43                 body = sprintf("%d%% %s", battery_percentage, alert[3])
  44                 msg_out_alert(priority, subject, body)
  45                 _alerted[threshold]++
  46             }
  47         }
  48     } else {
  49         delete _alerted
  50     }
  51 }