* luci/statistics: added diagram models for process and df plugins, adept controller to recent luci core, support models with per instance diagrams and index diagrams, added new strings to language file

applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua

@@ -1,27 +1,40 @@
 module("luci.controller.luci_statistics.luci_statistics", package.seeall)
 
-local fs   = require("luci.fs")
+require("luci.fs")
-local i18n = require("luci.i18n")
+require("luci.i18n")
-local tpl  = require("luci.template")
+require("luci.template")
-local rrd  = require("luci.statistics.rrdtool")
+
-local data = require("luci.statistics.datatree").Instance()
 
 function index()
 
-	-- XXX: fixme
+	require("luci.i18n")
-	i18n.load("statistics.en")
+	require("luci.statistics.datatree")
 
+	-- load language file
+	luci.i18n.load("statistics.en")
+
+	-- get rrd data tree
+	local tree = luci.statistics.datatree.Instance()
+
+	-- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
 	function _entry( path, ... )
 		local file = path[4] or path[3]
-		if fs.isfile( "/usr/lib/collectd/" .. file .. ".so" ) then
+		if luci.fs.isfile( "/usr/lib/collectd/" .. file .. ".so" ) then
 			entry( path, ... )
 		end
 	end
 
-	function _i18n( str )
+	-- override call(): call requested action function with supplied parameters
-		return i18n.translate( "stat_" .. str, str )
+	function _call( func, tree, plugin )
+		return function() getfenv()[func]( tree, plugin ) end
 	end
 
+	-- override i18n(): try to translate stat_<str> or fall back to <str>
+	function _i18n( str )
+		return luci.i18n.translate( "stat_" .. str, str )
+	end
+
+
 	entry({"admin", "statistics"},				call("statistics_index"),		"Statistiken",		80)
 	entry({"admin", "statistics", "collectd"},		cbi("luci_statistics/collectd"),	"Collectd",		10)
 
@@ -52,10 +65,10 @@ function index()
 	-- public views
 	entry({"freifunk", "statistics"}, call("statistics_index"), "Statistiken", 80).i18n = "statistics"
 
-	for i, plugin in ipairs( data:plugins() ) do
+	for i, plugin in ipairs( tree:plugins() ) do
 
 		-- get plugin instances
-		local instances = data:plugin_instances( plugin )
+		local instances = tree:plugin_instances( plugin )
 
 		-- plugin menu entry
 		_entry( { "freifunk", "statistics", plugin }, call("statistics_render"), _i18n( plugin ), i )
@@ -64,7 +77,10 @@ function index()
 		if #instances > 1 then
 			for j, inst in ipairs(instances) do
 				-- instance menu entry
-				entry( { "freifunk", "statistics", plugin, inst }, call("statistics_render"), inst, j )
+				entry(
+					{ "freifunk", "statistics", plugin, inst },
+					call("statistics_render"), inst, j
+				)
 			end
 		end			
 	end
@@ -72,7 +88,7 @@ end
 
 
 function statistics_index()
-	tpl.render("admin_statistics/index")
+	luci.template.render("admin_statistics/index")
 end
 
 function statistics_outputplugins()
@@ -83,7 +99,7 @@ function statistics_outputplugins()
 		csv="CSV"
 	}
 
-	tpl.render("admin_statistics/outputplugins", {plugins=plugins})
+	luci.template.render("admin_statistics/outputplugins", {plugins=plugins})
 end
 
 function statistics_systemplugins()
@@ -95,7 +111,7 @@ function statistics_systemplugins()
 		processes="Prozesse"
 	}
 
-	tpl.render("admin_statistics/systemplugins", {plugins=plugins})
+	luci.template.render("admin_statistics/systemplugins", {plugins=plugins})
 end
 
 function statistics_networkplugins()
@@ -108,41 +124,54 @@ function statistics_networkplugins()
 		dns="DNS"
 	}
 
-	tpl.render("admin_statistics/networkplugins", {plugins=plugins})
+	luci.template.render("admin_statistics/networkplugins", {plugins=plugins})
 end
 
 
-function statistics_render()
+function statistics_render( tree )
-	local plugin    = luci.dispatcher.request[3]
+
-	local instances = { luci.dispatcher.request[4] }
+	require("luci.statistics.rrdtool")
+	require("luci.template")
+
+	local req   = luci.dispatcher.request 
+	local graph = luci.statistics.rrdtool.Graph()
+
+	local plugin    = req[3]
+	local instances = { req[4] }
 	local images    = { }
 
 	-- no instance requested, find all instances
 	if #instances == 0 then
 
-		instances = data:plugin_instances( plugin )
+		instances = graph.tree:plugin_instances( plugin )
 
 		-- more than one available instance
 		if #instances > 1 then
 
 			-- redirect to first instance and return
 			local r = luci.dispatcher.request
+			local i = instances[1]
+			if i:len() == 0 then i = "-" end
 
 			luci.http.redirect( luci.dispatcher.build_url(
-				r[1], r[2], r[3], instances[1]
+				req[1], req[2], req[3], i
 			) )
 
 			return
 		end
+
+	-- index instance requested
+	elseif instances[1] == "-" then
+		instances[1] = ""
 	end
 
+
 	-- render graphs
 	for i, inst in ipairs( instances ) do
-		local graph = rrd.Graph()
 		for i, img in ipairs( graph:render( plugin, inst ) ) do
 			table.insert( images, img )
 		end
 	end
 
-	tpl.render("public_statistics/graph", { images=images, plugin=plugin } )
+	luci.template.render("public_statistics/graph", { images=images, plugin=plugin } )
 end

applications/luci-statistics/luasrc/i18n/statistics.en

@@ -7,6 +7,7 @@ stat_processes = "Processes"
 stat_wireless  = "Wireless"
 stat_tcpconns  = "TCP Connections"
 stat_interface = "Interfaces"
+stat_df        = "Disk Space Usage"
 
 -- diagrams
 stat_dg_title_wireless__signal_noise = "%H: Wireless - Signal Noise Ratio"
@@ -53,6 +54,23 @@ stat_dg_title_processes = "%H: Processes"
 stat_dg_label_processes = "Processes/s"
 stat_ds_ps_state = "%di"
 
+stat_dg_title_processes__ps_cputime = "%H: Process %pi - used cpu time"
+stat_dg_label_processes__ps_cputime = "Jiffies"
+stat_ds_ps_cputime__syst = "system"
+stat_ds_ps_cputime__user = "user"
+
+stat_dg_title_processes__ps_count = "%H: Process %pi - threads and processes"
+stat_dg_label_processes__ps_count = "Count"
+stat_ds_ps_count = "%ds"
+
+stat_dg_title_processes__ps_pagefaults = "%H: Process %pi - page faults"
+stat_dg_label_processes__ps_pagefaults = "Pagefaults"
+stat_ds_ps_pagefaults = "page faults"
+
+stat_dg_title_processes__ps_rss = "%H: Process %pi - virtual memory size"
+stat_dg_label_processes__ps_rss = "Bytes"
+stat_ds_ps_rss = "virtual memory"
+
 stat_dg_title_cpu = "%H: Usage on Processor #%pi"
 stat_dg_label_cpu = "%"
 stat_ds_cpu       = "%di"
@@ -66,3 +84,9 @@ stat_dg_label_interface__if_packets = "Packets/s"
 stat_dg_title_tcpconns  = "%H: TCP-Connections to Port %pi"
 stat_dg_label_tcpconns  = "Connections/s"
 stat_ds_tcp_connections = "%di"
+
+stat_dg_title_df	= "%H: Disk Space Usage on %di"
+stat_dg_label_df	= "Bytes"
+stat_ds_df__free	= "%ds"
+stat_ds_df__used	= "%ds"
+

applications/luci-statistics/luasrc/statistics/rrdtool.lua

@@ -419,7 +419,6 @@ function Graph._generic( self, opts, plugin, plugin_instance, dtype, index )
 	for i, instance in ipairs(instances) do
 
 		-- store title and vlabel
-		-- XXX: i18n
 		_ti( _args, "-t" )
 		_ti( _args, opts.title  or self.i18n:title( plugin, plugin_instance, _sources[1].type, instance ) )
 		_ti( _args, "-v" )

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/df/df.lua

@@ -0,0 +1,26 @@
+module("luci.statistics.rrdtool.definitions.df.df", package.seeall)
+
+function rrdargs( graph, plugin, plugin_instance, dtype )
+
+	return {
+		per_instance  = true,
+		number_format = "%5.1lf%s",
+
+		data = {
+			sources = {
+				df = { "free", "used" }
+			},
+
+			options = {
+				df__free = {
+					color = "00ff00"
+				},
+
+				df__used = {
+					color = "ff0000",
+					flip  = true
+				}
+			}
+		}
+	}
+end

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/processes.lua

@@ -0,0 +1,86 @@
+module("luci.statistics.rrdtool.definitions.processes", package.seeall)
+
+function rrdargs( graph, plugin, plugin_instance )
+
+	if plugin_instance == "" then
+		return {
+			data = {
+				instances = {
+					ps_state = {
+						"sleeping", "running", "paging", "blocked", "stopped", "zombies"
+					}
+				},
+
+				options = {
+					ps_state_sleeping = { color = "0000ff" },
+					ps_state_running  = { color = "008000" },
+					ps_state_paging   = { color = "ffff00" },
+					ps_state_blocked  = { color = "ff5000" },
+					ps_state_stopped  = { color = "555555" },
+					ps_state_zombies  = { color = "ff0000" }
+				}
+			}
+		}
+	else
+		return {
+
+			{
+				data = {
+					sources = {
+						ps_cputime = { "syst", "user" }
+					},
+
+					options = {
+						ps_cputime__user = {
+							color   = "0000ff",
+							overlay = true
+						},
+
+						ps_cputime__syst = {
+							color   = "ff0000",
+							overlay = true
+						}
+					}
+				}
+			},
+
+			{
+				data = {
+					sources = {
+						ps_count = { "threads", "processes" }
+					},
+
+					options = {
+						ps_count__threads   = { color = "00ff00" },
+						ps_count__processes = { color = "0000bb" }
+					}
+				}
+			},
+
+			{
+				data = {
+					sources = {
+						ps_pagefaults = { "minflt", "majflt" }
+					},
+
+					options = {
+						ps_pagefaults__minflt = { color = "ff0000" },
+						ps_pagefaults__majflt = { color = "ff5500" }
+					}
+				}
+			},
+
+			{
+				number_format = "%5.1lf%s",
+
+				data = {
+					types = { "ps_rss" },
+
+					options = {
+						ps_rss = { color = "0000ff" }
+					}
+				}
+			}
+		}
+	end
+end