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

   1 module("luci.controller.luci_statistics.luci_statistics", package.seeall)
   2
   3 function index()
   4
   5         require("luci.fs")
   6         require("luci.i18n")
   7         require("luci.statistics.datatree")
   8
   9         -- load language file
  10         luci.i18n.load("statistics.en") -- XXX: temporary / replace with loadc()
  11
  12         -- get rrd data tree
  13         local tree = luci.statistics.datatree.Instance()
  14
  15         -- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
  16         function _entry( path, ... )
  17                 local file = path[4] or path[3]
  18                 if luci.fs.isfile( "/usr/lib/collectd/" .. file .. ".so" ) then
  19                         entry( path, ... )
  20                 end
  21         end
  22
  23         -- override call(): call requested action function with supplied parameters
  24         function _call( func, tree, plugin )
  25                 return function() getfenv()[func]( tree, plugin ) end
  26         end
  27
  28         -- override i18n(): try to translate stat_<str> or fall back to <str>
  29         function _i18n( str )
  30                 return luci.i18n.translate( "stat_" .. str, str )
  31         end
  32
  33
  34         entry({"admin", "statistics"},                          call("statistics_index"),               _i18n("statistics"),    80).i18n = "statistics"
  35         entry({"admin", "statistics", "collectd"},              cbi("luci_statistics/collectd"),        _i18n("collectd"),      10)
  36
  37         entry({"admin", "statistics", "output"},                call("statistics_outputplugins"),       _i18n("outputplugins"), 20)
  38         _entry({"admin", "statistics", "output", "rrdtool"},    cbi("luci_statistics/rrdtool"),         _i18n("rrdtool"),       10)
  39         _entry({"admin", "statistics", "output", "network"},    cbi("luci_statistics/network"),         _i18n("network"),       20)
  40         _entry({"admin", "statistics", "output", "unixsock"},   cbi("luci_statistics/unixsock"),        _i18n("unixsock"),      30)
  41         _entry({"admin", "statistics", "output", "csv"},        cbi("luci_statistics/csv"),             _i18n("csv"),           40)
  42
  43         entry({"admin", "statistics", "system"},                call("statistics_systemplugins"),       _i18n("systemplugins"), 30)
  44         _entry({"admin", "statistics", "system", "exec"},       cbi("luci_statistics/exec"),            _i18n("exec"),          10)
  45         _entry({"admin", "statistics", "system", "email"},      cbi("luci_statistics/email"),           _i18n("email"),         20)
  46         _entry({"admin", "statistics", "system", "cpu"},        cbi("luci_statistics/cpu"),             _i18n("cpu"),           30)
  47         _entry({"admin", "statistics", "system", "df"},         cbi("luci_statistics/df"),              _i18n("df"),            40)
  48         _entry({"admin", "statistics", "system", "disk"},       cbi("luci_statistics/disk"),            _i18n("disk"),          50)
  49         _entry({"admin", "statistics", "system", "irq"},        cbi("luci_statistics/irq"),             _i18n("irq"),           60)
  50         _entry({"admin", "statistics", "system", "processes"},  cbi("luci_statistics/processes"),       _i18n("processes"),     70)
  51
  52         entry({"admin", "statistics", "network"},               call("statistics_networkplugins"),      _i18n("networkplugins"),40)
  53         _entry({"admin", "statistics", "network", "interface"}, cbi("luci_statistics/interface"),       _i18n("interface"),     10)
  54         _entry({"admin", "statistics", "network", "netlink"},   cbi("luci_statistics/netlink"),         _i18n("netlink"),       20)
  55         _entry({"admin", "statistics", "network", "iptables"},  cbi("luci_statistics/iptables"),        _i18n("iptables"),      30)
  56         _entry({"admin", "statistics", "network", "tcpconns"},  cbi("luci_statistics/tcpconns"),        _i18n("tcpconns"),      40)
  57         _entry({"admin", "statistics", "network", "ping"},      cbi("luci_statistics/ping"),            _i18n("ping"),          50)
  58         _entry({"admin", "statistics", "network", "dns"},       cbi("luci_statistics/dns"),             _i18n("dns"),           60)
  59         _entry({"admin", "statistics", "network", "wireless"},  cbi("luci_statistics/wireless"),        _i18n("wireless"),      70)
  60
  61
  62         -- public views
  63         entry({"freifunk", "statistics"}, call("statistics_index"), "Statistiken", 80).i18n = "statistics"
  64
  65         local vars = luci.http.formvalues()
  66         local span = vars.timespan or nil
  67
  68         for i, plugin in ipairs( tree:plugins() ) do
  69
  70                 -- get plugin instances
  71                 local instances = tree:plugin_instances( plugin )
  72
  73                 -- plugin menu entry
  74                 entry(
  75                         { "freifunk", "statistics", plugin },
  76                         call("statistics_render"), _i18n( plugin ), i
  77                 ).query = { timespan = span }
  78
  79                 -- if more then one instance is found then generate submenu
  80                 if #instances > 1 then
  81                         for j, inst in ipairs(instances) do
  82                                 -- instance menu entry
  83                                 entry(
  84                                         { "freifunk", "statistics", plugin, inst },
  85                                         call("statistics_render"), inst, j
  86                                 ).query = { timespan = span }
  87                         end
  88                 end
  89         end
  90 end
  91
  92 function statistics_index()
  93         luci.template.render("admin_statistics/index")
  94 end
  95
  96 function statistics_outputplugins()
  97         local plugins = { }
  98
  99         for i, p in ipairs({ "rrdtool", "network", "unixsock", "csv" }) do
 100                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 101         end
 102
 103         luci.template.render("admin_statistics/outputplugins", {plugins=plugins})
 104 end
 105
 106 function statistics_systemplugins()
 107         local plugins = { }
 108
 109         for i, p in ipairs({ "exec", "email", "df", "disk", "irq", "processes", "cpu" }) do
 110                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 111         end
 112
 113         luci.template.render("admin_statistics/systemplugins", {plugins=plugins})
 114 end
 115
 116 function statistics_networkplugins()
 117         local plugins = { }
 118
 119         for i, p in ipairs({ "interface", "netlink", "iptables", "tcpconns", "ping", "dns", "wireless" }) do
 120                 plugins[p] = luci.i18n.translate( "stat_" .. p, p )
 121         end
 122
 123         luci.template.render("admin_statistics/networkplugins", {plugins=plugins})
 124 end
 125
 126
 127 function statistics_render( tree )
 128
 129         require("luci.statistics.rrdtool")
 130         require("luci.template")
 131         require("luci.model.uci")
 132
 133         local vars  = luci.http.formvalues()
 134         local req   = luci.dispatcher.request
 135         local uci   = luci.model.uci.Session()
 136         local spans = luci.util.split( uci:get( "luci_statistics", "collectd_rrdtool", "RRATimespans" ), "%s+", nil, true )
 137         local span  = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1]
 138         local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ) )
 139
 140         local plugin    = req[3]
 141         local instances = { req[4] }
 142         local images    = { }
 143
 144         -- no instance requested, find all instances
 145         if #instances == 0 then
 146
 147                 instances = graph.tree:plugin_instances( plugin )
 148
 149                 -- more than one available instance
 150                 if #instances > 1 then
 151
 152                         -- redirect to first instance and return
 153                         local r = luci.dispatcher.request
 154                         local i = instances[1]
 155                         if i:len() == 0 then i = "-" end
 156
 157                         luci.http.redirect( luci.dispatcher.build_url(
 158                                 req[1], req[2], req[3], i
 159                         ) )
 160
 161                         return
 162                 end
 163
 164         -- index instance requested
 165         elseif instances[1] == "-" then
 166                 instances[1] = ""
 167         end
 168
 169
 170         -- render graphs
 171         for i, inst in ipairs( instances ) do
 172                 for i, img in ipairs( graph:render( plugin, inst ) ) do
 173                         table.insert( images, graph:strippngpath( img ) )
 174                 end
 175         end
 176
 177         luci.template.render( "public_statistics/graph", {
 178                 images           = images,
 179                 plugin           = plugin,
 180                 timespans        = spans,
 181                 current_timespan = span
 182         } )
 183 end