-- list/table if the file does not exist
function helpers.lines_from(file)
if not helpers.file_exists(file) then return {} end
- lines = {}
+ local lines = {}
for line in io.lines(file) do
lines[#lines + 1] = line
end
return lines
end
+-- match all lines from a file, returns an empty
+-- list/table if the file or match does not exist
+function helpers.lines_match(regexp, file)
+ local lines = {}
+ for index,line in pairs(helpers.lines_from(file)) do
+ if string.match(line, regexp) then
+ lines[index] = line
+ end
+ end
+ return lines
+end
+
-- get first line of a file, return nil if
-- the file does not exist
function helpers.first_line(file)
--]]
-local first_line = require("lain.helpers").first_line
+local lines_match = require("lain.helpers").lines_match
local newtimer = require("lain.helpers").newtimer
local wibox = require("wibox")
-- CPU usage
-- lain.widgets.cpu
-local cpu = { last_total = 0, last_active = 0 }
+local cpu = { core = {} }
local function worker(args)
local args = args or {}
- local timeout = args.timeout or 2
- local settings = args.settings or function() end
+ local timeout = args.timeout or 2
+ local settings = args.settings or function() end
- cpu.widget = wibox.widget.textbox('')
+ cpu.widget = wibox.widget.textbox('')
- function update()
+ function update()
-- Read the amount of time the CPUs have spent performing
- -- different kinds of work. Read the first line of /proc/stat
- -- which is the sum of all CPUs.
- local times = first_line("/proc/stat")
- local at = 1
- local idle = 0
- local total = 0
- for field in string.gmatch(times, "[%s]+([^%s]+)")
+ -- different kinds of work. Read the first line of /proc/stat
+ -- which is the sum of all CPUs.
+ local times = lines_match("cpu","/proc/stat")
+
+ for index,time in pairs(times)
do
- -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done
- -- nothing during these times.
- if at == 4 or at == 5
- then
- idle = idle + field
+ local coreid = index - 1
+ local core = cpu.core[coreid] or
+ { last_active = 0 , last_total = 0, usage = 0 }
+ local at = 1
+ local idle = 0
+ local total = 0
+
+ for field in string.gmatch(time, "[%s]+([^%s]+)")
+ do
+ -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done
+ -- nothing during these times.
+ if at == 4 or at == 5 then
+ idle = idle + field
+ end
+ total = total + field
+ at = at + 1
+ end
+
+ local active = total - idle
+
+ if core.last_active ~= active or core.last_total ~= total then
+ -- Read current data and calculate relative values.
+ local dactive = active - core.last_active
+ local dtotal = total - core.last_total
+
+ local usage = math.ceil((dactive / dtotal) * 100)
+
+ core.last_active = active
+ core.last_total = total
+ core.usage = usage
+
+ -- Save current data for the next run.
+ cpu.core[coreid] = core;
end
- total = total + field
- at = at + 1
- end
- local active = total - idle
-
- if cpu.last_active ~= active or cpu.last_total ~= total then
- -- Read current data and calculate relative values.
- local dactive = active - cpu.last_active
- local dtotal = total - cpu.last_total
-
- cpu_now = {}
- cpu_now.usage = tostring(math.ceil((dactive / dtotal) * 100))
-
- widget = cpu.widget
- settings()
-
- -- Save current data for the next run.
- cpu.last_active = active
- cpu.last_total = total
end
+
+ widget = cpu.widget
+ cpu_now = cpu.core
+ cpu_now.usage = cpu_now[0].usage
+
+ settings()
end
newtimer("cpu", timeout, update)
-
return cpu.widget
end
local APPID = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain default
local timeout = args.timeout or 900 -- 15 min
local timeout_forecast = args.timeout or 86400 -- 24 hrs
- local current_call = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
- local forecast_call = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s&APPID=%s'"
+ local current_call = args.current_call or "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
+ local forecast_call = args.forecast_call or "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s&APPID=%s'"
local city_id = args.city_id or 0 -- placeholder
local units = args.units or "metric"
local lang = args.lang or "en"
- local cnt = args.cnt or 7
+ local cnt = args.cnt or 5
local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'"
local icons_path = args.icons_path or lain_icons .. "openweathermap/"
local notification_preset = args.notification_preset or {}
local notification_text_fun = args.notification_text_fun or
- function (day, desc, tmin, tmax)
- return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
+ function (wn)
+ local day = string.gsub(read_pipe(string.format(date_cmd, wn["dt"])), "\n", "")
+ local tmin = math.floor(wn["temp"]["min"])
+ local tmax = math.floor(wn["temp"]["max"])
+ local desc = wn["weather"][1]["description"]
+
+ return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
end
local weather_na_markup = args.weather_na_markup or " N/A "
local followmouse = args.followmouse or false
notification_preset.screen = mouse.screen
end
+ if not weather.notification_text then
+ weather.forecast_update()
+ end
+
weather.notification = naughty.notify({
- text = weather.notification_text
- or "Waiting for the server to respond...",
+ text = weather.notification_text,
icon = weather.icon_path,
timeout = t_out,
preset = notification_preset
end
function weather.hide()
- if weather.notification ~= nil then
+ if weather.notification then
naughty.destroy(weather.notification)
weather.notification = nil
end
local pos, err
weather_now, pos, err = json.decode(f, 1, nil)
- if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
+ if not err and weather_now and tonumber(weather_now["cod"]) == 200 then
weather.notification_text = ''
for i = 1, weather_now["cnt"] do
- local day = string.gsub(read_pipe(string.format(date_cmd, weather_now["list"][i]["dt"])), "\n", "")
-
- local tmin = math.floor(weather_now["list"][i]["temp"]["min"])
- local tmax = math.floor(weather_now["list"][i]["temp"]["max"])
- local desc = weather_now["list"][i]["weather"][1]["description"]
-
weather.notification_text = weather.notification_text ..
- notification_text_fun(day, desc, tmin, tmax)
+ notification_text_fun(weather_now["list"][i])
if i < weather_now["cnt"] then
weather.notification_text = weather.notification_text .. "\n"
end
end
- else
- weather.notification_text = "API/connection error or bad/not set city ID"
end
end)
end
local pos, err
weather_now, pos, err = json.decode(f, 1, nil)
- if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
+ if not err and weather_now and tonumber(weather_now["cod"]) == 200 then
weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
widget = weather.widget
settings()