From b762abdf2d0934d02ad9434adf993a68243340d4 Mon Sep 17 00:00:00 2001
From: Leandro Lucarella <llucax@gmail.com>
Date: Thu, 10 Jan 2008 21:38:01 -0200
Subject: [PATCH] Add lm-sensors statusd monitor.

---
 default/cfg_statusbar.lua | 13 ++++++++-
 statusd_sensors.lua       | 59 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 statusd_sensors.lua

diff --git a/default/cfg_statusbar.lua b/default/cfg_statusbar.lua
index 71ac899..46652dd 100644
--- a/default/cfg_statusbar.lua
+++ b/default/cfg_statusbar.lua
@@ -42,7 +42,8 @@ mod_statusbar.create{
     -- windows and icons.
     --
     template = "%mpd %filler [mails: %exec_maildir | im: %exec_psi] " ..
-        "[mem: %mem_hused/%mem_cached/%mem_total | " ..
+        "[fan: %sensors_fan RPM | temp: %sensors_mb/%sensors_cpu C | " ..
+        "mem: %mem_hused/%mem_cached/%mem_total | " ..
     	"swap: %mem_sw_used/%mem_sw_total | load: %load] %date %systray",
     --template="[ %date || load: %05load_1min || mail: %02mail_new/%02mail_total ] %filler%systray",
     --template="[ %date || load:% %>load ] %filler %systray_dock",
@@ -129,6 +130,16 @@ mod_statusbar.launch_statusd{
 	used_sw_alarm = 75,
         units         = "m", -- "g" , "m" or "k"
     },
+    -- Sensors monitor
+    sensors = {
+        update_interval = 5 * 1000, -- 5 segs
+        fan_alarm = 4000,
+        mb_alarm = 45,
+        cpu_alarm = 55,
+        fan_file = '/sys/class/i2c-adapter/i2c-0/0-002d/fan1_input',
+        mb_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp1_input',
+        cpu_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp2_input',
+    },
 
     -- Scripts
     exec = {
diff --git a/statusd_sensors.lua b/statusd_sensors.lua
new file mode 100644
index 0000000..5860b41
--- /dev/null
+++ b/statusd_sensors.lua
@@ -0,0 +1,59 @@
+------- DEFAULT SETTINGS :------------------------------------------------------
+
+local sensors_timer
+local defaults = {
+	update_interval = 5*1000,
+	fan_alarm = 4000,
+	mb_alarm = 45,
+	cpu_alarm = 55,
+	fan_file = '/sys/class/i2c-adapter/i2c-0/0-002d/fan1_input',
+	mb_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp1_input',
+	cpu_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp2_input',
+}
+local settings = table.join(statusd.get_config("sensors"), defaults)
+
+------- SENSORS MONITOR :-------------------------------------------------------
+
+local function inform_fan(name, file, alarm)
+	file = io.open(file, 'r')
+	if file then
+		local level = 'normal'
+		local var = file:read('*n')
+		file:close()
+		if var <= alarm then level = 'critical' end
+		statusd.inform("sensors_" .. name, string.format('%d', var))
+		statusd.inform('sensors_' .. name .. '_hint', level)
+	end
+end
+
+local function inform_temp(name, file, alarm)
+	file = io.open(file, 'r')
+	if file then
+		local level = 'normal'
+		local var = file:read('*n') / 1000
+		file:close()
+		if var >= alarm then level = 'critical' end
+		statusd.inform("sensors_" .. name, string.format('%0.1f', var))
+		statusd.inform('sensors_' .. name .. '_hint', level)
+	end
+end
+
+local function inform_sensors()
+	inform_fan('fan', settings.fan_file, settings.fan_alarm + 0)
+	inform_temp('mb', settings.mb_file, settings.mb_alarm + 0)
+	inform_temp('cpu', settings.cpu_file, settings.cpu_alarm + 0)
+end
+
+local sensors_timer
+
+local function update_sensors()
+	inform_sensors()
+	sensors_timer:set(settings.update_interval, update_sensors)
+end
+
+-- Init
+sensors_timer=statusd.create_timer()
+update_sensors()
+
+
+
-- 
2.43.0