--[[ Luci statistics - statistics controller module (c) 2008 Freifunk Leipzig / Jo-Philipp Wich 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 $Id$ ]]-- module("luci.controller.luci_statistics.luci_statistics", package.seeall) function index() require("nixio.fs") require("luci.util") require("luci.statistics.datatree") -- get rrd data tree local tree = luci.statistics.datatree.Instance() -- override entry(): check for existance .so where is derived from the called path function _entry( path, ... ) local file = path[5] or path[4] if nixio.fs.access( "/usr/lib/collectd/" .. file .. ".so" ) then entry( path, ... ) end end local labels = { s_output = _("Output plugins"), s_system = _("System plugins"), s_network = _("Network plugins"), conntrack = _("Conntrack"), cpu = _("Processor"), csv = _("CSV Output"), df = _("Disk Space Usage"), disk = _("Disk Usage"), dns = _("DNS"), email = _("Email"), exec = _("Exec"), interface = _("Interfaces"), iptables = _("Firewall"), irq = _("Interrupts"), iwinfo = _("Wireless"), load = _("System Load"), memory = _("Memory"), netlink = _("Netlink"), network = _("Network"), olsrd = _("OLSRd"), ping = _("Ping"), processes = _("Processes"), rrdtool = _("RRDTool"), tcpconns = _("TCP Connections"), unixsock = _("UnixSock") } -- our collectd menu local collectd_menu = { output = { "csv", "network", "rrdtool", "unixsock" }, system = { "cpu", "df", "disk", "email", "exec", "irq", "load", "memory", "processes" }, network = { "conntrack", "dns", "interface", "iptables", "netlink", "olsrd", "ping", "tcpconns", "iwinfo" } } -- create toplevel menu nodes local st = entry({"admin", "statistics"}, call("statistics_index"), _("Statistics"), 80) st.i18n = "statistics" st.index = true entry({"admin", "statistics", "collectd"}, cbi("luci_statistics/collectd"), _("Collectd"), 10).subindex = true -- populate collectd plugin menu local index = 1 for section, plugins in luci.util.kspairs( collectd_menu ) do local e = entry( { "admin", "statistics", "collectd", section }, firstchild(), labels["s_"..section], index * 10 ) e.index = true e.i18n = "rrdtool" for j, plugin in luci.util.vspairs( plugins ) do _entry( { "admin", "statistics", "collectd", section, plugin }, cbi("luci_statistics/" .. plugin ), labels[plugin], j * 10 ) end index = index + 1 end -- output views local page = entry( { "admin", "statistics", "graph" }, call("statistics_index"), _("Graphs"), 80) page.i18n = "statistics" page.setuser = "nobody" page.setgroup = "nogroup" local vars = luci.http.formvalue(nil, true) local span = vars.timespan or nil for i, plugin in luci.util.vspairs( tree:plugins() ) do -- get plugin instances local instances = tree:plugin_instances( plugin ) -- plugin menu entry entry( { "admin", "statistics", "graph", plugin }, template("admin_statistics/index"), labels[plugin], i ).query = { timespan = span } -- if more then one instance is found then generate submenu if #instances > 1 then for j, inst in luci.util.vspairs(instances) do -- instance menu entry entry( { "admin", "statistics", "graph", plugin, inst }, call("statistics_render"), inst, j ).query = { timespan = span } end end end end function statistics_render() require("luci.statistics.rrdtool") require("luci.template") require("luci.model.uci") local vars = luci.http.formvalue() local req = luci.dispatcher.context.request local path = luci.dispatcher.context.path local uci = luci.model.uci.cursor() local spans = luci.util.split( uci:get( "luci_statistics", "collectd_rrdtool", "RRATimespans" ), "%s+", nil, true ) local span = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1] local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ) ) local is_index = false -- deliver image if vars.img then local l12 = require "luci.ltn12" local png = io.open(graph.opts.imgpath .. "/" .. vars.img:gsub("%.+", "."), "r") if png then luci.http.prepare_content("image/png") l12.pump.all(l12.source.file(png), luci.http.write) png:close() end return end local plugin, instances local images = { } -- find requested plugin and instance for i, p in ipairs( luci.dispatcher.context.path ) do if luci.dispatcher.context.path[i] == "graph" then plugin = luci.dispatcher.context.path[i+1] instances = { luci.dispatcher.context.path[i+2] } end end -- no instance requested, find all instances if #instances == 0 then --instances = { graph.tree:plugin_instances( plugin )[1] } instances = graph.tree:plugin_instances( plugin ) is_index = true -- index instance requested elseif instances[1] == "-" then instances[1] = "" is_index = true end -- render graphs for i, inst in ipairs( instances ) do for i, img in ipairs( graph:render( plugin, inst, is_index ) ) do table.insert( images, graph:strippngpath( img ) ) images[images[#images]] = inst end end luci.template.render( "public_statistics/graph", { images = images, plugin = plugin, timespans = spans, current_timespan = span, is_index = is_index } ) end