X-Git-Url: https://git.rvb.name/weathermon.git/blobdiff_plain/e32107a7fe79ce34f3bdf860410a6d5455efdca7..afdf338bb671cf6bdb1bd836fd68cf5ee30b614c:/lib/wm_util.lua

diff --git a/lib/wm_util.lua b/lib/wm_util.lua
index bb5d8ee..2c05bb0 100644
--- a/lib/wm_util.lua
+++ b/lib/wm_util.lua
@@ -1,6 +1,9 @@
 #!/usr/bin/lua
 
 local socket = require "socket"
+local lfs = require "lfs"
+local uci = require "uci"
+local posix = require "posix"
 
 function startswith(String,Start)
    if String then
@@ -95,7 +98,6 @@ function split(s, delimiter)
 end
 
 function list_dir(name)
-    local lfs = require "lfs"
     local result = {}
     for name in lfs.dir(name) do
         if not startswith(name,".") then
@@ -104,3 +106,46 @@ function list_dir(name)
     end
     return result
 end
+
+function get_devid(config)
+
+  local web_devid = uci.get(config,"web","devid")
+  
+  if web_devid then
+    return web_devid
+  end  
+    
+  web_iface = uci.get(config,"web","iface")
+  
+  if not web_iface then
+    web_iface = list_dir('/sys/class/net/')[1]
+  end
+ 
+  io.input("/sys/class/net/"..web_iface.."/address")
+
+  local web_devid = io.read("*line")
+  return web_devid:gsub(":",""):upper()
+
+end
+
+function get_children()
+
+  local pid = posix.getpid()
+  local pidlist = list_dir('/proc')
+  local pids = {}
+
+  for k,v in pairs(pidlist) do
+
+    pcall( function ()
+      local stats = get_file_content('/proc/'..v..'/stat')
+      local ppid = tonumber(split(stats,' ')[4])
+      if pid == ppid then
+        pids[#pids+1] = tonumber(v)
+      end 
+    end)
+
+  end
+
+  return pids
+
+end