Added module for system abstraction

Rewrote readfile and exec functions
Moved some orpahned example file out of the way

7 files changed, 105 insertions, 25 deletions

diff --git a/src/ffluci/fs.lua b/src/ffluci/fs.lua
index 5a1cc6b35..55da9b8dc 100644
--- a/src/ffluci/fs.lua
+++ b/src/ffluci/fs.lua
@@ -31,14 +31,36 @@ require("lfs")
 -- Returns the content of file
 function readfile(filename)
 	local fp = io.open(filename)
+	
 	if fp == nil then
 		error("Unable to open file for reading: " .. filename)
 	end
+	
 	local data = fp:read("*a")
 	fp:close()
 	return data	
 end
 
+-- Returns the content of file as array of lines
+function readfilel(filename)
+	local fp = io.open(filename)
+	local line = ""
+	local data = {}
+		
+	if fp == nil then
+		error("Unable to open file for reading: " .. filename)
+	end
+	
+	while true do
+		line = fp:read()
+		if (line == nil) then break end
+		table.insert(data, line)
+	end 	
+	
+	fp:close()
+	return data	
+end
+
 -- Writes given data to a file
 function writefile(filename, data)
 	local fp = io.open(filename, "w")
diff --git a/src/ffluci/i18n/example-simpleview.de b/src/ffluci/i18n/example-simpleview.de
deleted file mode 100644
index db2bee0cf..000000000
--- a/src/ffluci/i18n/example-simpleview.de
+++ /dev/null
@@ -1,6 +0,0 @@
-descr = [[Dies ist das Simple View-Beispiel.<br />
-Dieses Template ist: ffluci/view/example-simpleview/index.htm und gehoert
-zur Aktion "index".<br />
-Diese Uebersetzung ist: ffluci/i18n/example-simpleview.de]]
-
-lan = "Die LAN IP-Adresse des Routers lautet:"
\ No newline at end of file
diff --git a/src/ffluci/i18n/index.en b/src/ffluci/i18n/index.en
new file mode 100644
index 000000000..71255873a
--- /dev/null
+++ b/src/ffluci/i18n/index.en
@@ -0,0 +1 @@
+hello = "Hello"
\ No newline at end of file
diff --git a/src/ffluci/model/uci.lua b/src/ffluci/model/uci.lua
index 492367ce2..9b9fcb093 100644
--- a/src/ffluci/model/uci.lua
+++ b/src/ffluci/model/uci.lua
@@ -96,7 +96,7 @@ function _uci2(cmd)
 end
 
 function _uci3(cmd)
-	local res = ffluci.util.exec(ucicmd .. " 2>&1 " .. cmd, true)
+	local res = ffluci.util.execl(ucicmd .. " 2>&1 " .. cmd)
 	if res[1]:sub(1, ucicmd:len() + 1) == ucicmd .. ":" then
 		return nil, res[1]
 	end
diff --git a/src/ffluci/sys.lua b/src/ffluci/sys.lua
new file mode 100644
index 000000000..048f6d375
--- /dev/null
+++ b/src/ffluci/sys.lua
@@ -0,0 +1,39 @@
+--[[
+FFLuCI - System library
+
+Description:
+Utilities for interaction with the Linux system
+
+FileId:
+$Id$
+
+License:
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at 
+
+	http://www.apache.org/licenses/LICENSE-2.0 
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+]]--
+
+module("ffluci.sys", package.seeall)
+require("ffluci.fs")
+
+-- Returns the hostname
+function hostname()
+	return ffluci.fs.readfilel("/proc/sys/kernel/hostname")[1]
+end
+
+-- Returns the load average
+function loadavg()
+	local loadavg = ffluci.fs.readfilel("/proc/loadavg")[1]
+	return loadavg:match("^(.-) (.-) (.-) (.-) (.-)$")
+end
\ No newline at end of file
diff --git a/src/ffluci/util.lua b/src/ffluci/util.lua
index 07cbb8000..3004f552e 100644
--- a/src/ffluci/util.lua
+++ b/src/ffluci/util.lua
@@ -26,6 +26,26 @@ limitations under the License.
 
 module("ffluci.util", package.seeall)
 
+
+-- Lua OO class support emulation
+function class(base)
+	local clsobj = {}
+	local metatable = {__index = clsobj}
+	
+    function clsobj.new()
+        local inst = {}
+        setmetatable(inst, metatable)
+        return inst
+    end	
+	
+	if base then
+		setmetatable(clsobj, {__index = base})
+	end
+	
+	return clsobj
+end
+
+
 -- Checks whether a table has an object "value" in it
 function contains(table, value)
 	for k,v in pairs(table) do
@@ -57,24 +77,26 @@ end
 
 
 -- Runs "command" and returns its output
-function exec(command, return_array)
+function exec(command)
 	local pp   = io.popen(command)
-	local data = nil
+	local data = pp:read("*a")
+	pp:close()
 	
-	if return_array then
-		local line = ""
-		data = {}
-		
-		while true do
-			line = pp:read()
-			if (line == nil) then break end
-			table.insert(data, line)
-		end 
-		pp:close()		
-	else
-		data = pp:read("*a")
-		pp:close()
-	end
+	return data
+end
+
+-- Runs "command" and returns its output as a array of lines
+function execl(command)
+	local pp   = io.popen(command)	
+	local line = ""
+	local data = {}
+	
+	while true do
+		line = pp:read()
+		if (line == nil) then break end
+		table.insert(data, line)
+	end 
+	pp:close()	
 	
 	return data
 end
diff --git a/src/ffluci/view/header.htm b/src/ffluci/view/header.htm
index 2c0836be5..44826f059 100644
--- a/src/ffluci/view/header.htm
+++ b/src/ffluci/view/header.htm
@@ -1,4 +1,6 @@
 <%
+require("ffluci.sys")
+local load1, load5, load15 = ffluci.sys.loadavg()
 local req  = require("ffluci.dispatcher").request
 local menu = require("ffluci.menu").get()[req.category]
 require("ffluci.i18n").loadc("default")
@@ -16,8 +18,8 @@ require("ffluci.http").htmlheader()
 	<div class="whitetext smalltext right">
 	OpenWRT Kamikaze<br />
 	Freifunk Firmware 2.0-dev<br />
-	Load average: 1.00 2.00 3.00<br />
-	1.2.3.4 - host1
+	<%:load Last%>: <%=load1%> <%=load5%> <%=load15%><br />
+	<%:hostname Hostname%>: <%=ffluci.sys.hostname()%> 
 	</div>
 	<div>
 		<span class="headertitle">Freifunk Kamikaze</span><br />