diff options
Diffstat (limited to 'applications/luci-app-statistics/luasrc/controller')
| -rw-r--r-- | applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua new file mode 100644 index 0000000000..5729bb186a --- /dev/null +++ b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua @@ -0,0 +1,209 @@ +--[[ + +Luci statistics - statistics controller module +(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net> +(c) 2012 Jo-Philipp Wich <xm@subsignal.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 + +]]-- + +module("luci.controller.luci_statistics.luci_statistics", package.seeall) + +function index() + + require("nixio.fs") + require("luci.util") + require("luci.statistics.datatree") + + -- override entry(): check for existance <plugin>.so where <plugin> 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"), + nut = _("UPS"), + olsrd = _("OLSRd"), + ping = _("Ping"), + processes = _("Processes"), + rrdtool = _("RRDTool"), + splash_leases = _("Splash Leases"), + tcpconns = _("TCP Connections"), + unixsock = _("UnixSock"), + uptime = _("Uptime") + } + + -- our collectd menu + local collectd_menu = { + output = { "csv", "network", "rrdtool", "unixsock" }, + system = { "cpu", "df", "disk", "email", "exec", "irq", "load", "memory", "nut", "processes", "uptime" }, + network = { "conntrack", "dns", "interface", "iptables", "netlink", "olsrd", "ping", "splash_leases", "tcpconns", "iwinfo" } + } + + -- create toplevel menu nodes + local st = entry({"admin", "statistics"}, template("admin_statistics/index"), _("Statistics"), 80) + 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 + + 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" }, template("admin_statistics/index"), _("Graphs"), 80) + page.setuser = "nobody" + page.setgroup = "nogroup" + + local vars = luci.http.formvalue(nil, true) + local span = vars.timespan or nil + local host = vars.host or nil + + -- get rrd data tree + local tree = luci.statistics.datatree.Instance(host) + + local _, plugin, idx + for _, plugin, idx in luci.util.vspairs( tree:plugins() ) do + + -- get plugin instances + local instances = tree:plugin_instances( plugin ) + + -- plugin menu entry + entry( + { "admin", "statistics", "graph", plugin }, + call("statistics_render"), labels[plugin], idx + ).query = { timespan = span , host = host } + + -- if more then one instance is found then generate submenu + if #instances > 1 then + local _, inst, idx2 + for _, inst, idx2 in luci.util.vspairs(instances) do + -- instance menu entry + entry( + { "admin", "statistics", "graph", plugin, inst }, + call("statistics_render"), inst, idx2 + ).query = { timespan = span , host = host } + 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 host = vars.host or uci:get( "luci_statistics", "collectd", "Hostname" ) or luci.sys.hostname() + local opts = { host = vars.host } + local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ), opts ) + local hosts = graph.tree:host_instances() + + local is_index = false + local i, p, inst, idx + + -- 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 luci.util.vspairs( instances ) do + for i, img in luci.util.vspairs( 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, + hosts = hosts, + current_host = host, + is_index = is_index + } ) +end |