+++ /dev/null
---[[
-
-Luci statistics - rrd data tree builder
-(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
-
-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.statistics.datatree", package.seeall)
-
-local util = require("luci.util")
-local sys = require("luci.sys")
-local fs = require("nixio.fs")
-local uci = require("luci.model.uci").cursor()
-local sections = uci:get_all("luci_statistics")
-
-
-Instance = util.class()
-
-function Instance.__init__( self, host )
- self._host = host or sections.collectd.Hostname or sys.hostname()
- self._libdir = sections.collectd.PluginDir or "/usr/lib/collectd"
- self._rrddir = sections.collectd_rrdtool.DataDir or "/tmp/rrd"
-
- self._libdir = self._libdir:gsub("/$","")
- self._rrddir = self._rrddir:gsub("/$","")
- self._plugins = { }
-
- self:_scan()
-end
-
-function Instance._mkpath( self, plugin, pinstance )
- local dir = self._rrddir .. "/" .. self._host
-
- if type(plugin) == "string" and plugin:len() > 0 then
- dir = dir .. "/" .. plugin
-
- if type(pinstance) == "string" and pinstance:len() > 0 then
- dir = dir .. "-" .. pinstance
- end
- end
-
- return dir
-end
-
-function Instance._ls( self, ... )
- local ditr = fs.dir(self:_mkpath(...))
- if ditr then
- local dirs = { }
- while true do
- local d = ditr()
- if not d then break end
- dirs[#dirs+1] = d
- end
- return dirs
- end
-end
-
-function Instance._notzero( self, table )
- for k in pairs(table) do
- return true
- end
-
- return false
-end
-
-function Instance._scan( self )
- local dirs = self:_ls()
- if not dirs then
- return
- end
-
--- for i, plugin in ipairs( dirs ) do
--- if plugin:match("%w+.so") then
--- self._plugins[ plugin:gsub("%.so$", "") ] = { }
--- end
--- end
-
- for _, dir in ipairs(dirs) do
- if dir ~= "." and dir ~= ".." and
- fs.stat(self:_mkpath(dir)).type == "dir"
- then
- local plugin = dir:gsub("%-.+$", "")
- if not self._plugins[plugin] then
- self._plugins[plugin] = { }
- end
- end
- end
-
- for plugin, instances in pairs( self._plugins ) do
-
- local dirs = self:_ls()
-
- if type(dirs) == "table" then
- for i, dir in ipairs(dirs) do
- if dir:find( plugin .. "%-" ) or dir == plugin then
- local instance = ""
-
- if dir ~= plugin then
- instance = dir:gsub( plugin .. "%-", "", 1 )
- end
-
- instances[instance] = { }
- end
- end
- end
-
- for instance, data_instances in pairs( instances ) do
-
- dirs = self:_ls(plugin, instance)
-
- if type(dirs) == "table" then
- for i, file in ipairs(dirs) do
- if file:find("%.rrd") then
- file = file:gsub("%.rrd","")
-
- local data_type
- local data_instance
-
- if file:find("%-") then
- data_type = file:gsub( "%-.+","" )
- data_instance = file:gsub( "[^%-]-%-", "", 1 )
- else
- data_type = file
- data_instance = ""
- end
-
- if not data_instances[data_type] then
- data_instances[data_type] = { data_instance }
- else
- table.insert( data_instances[data_type], data_instance )
- end
- end
- end
- end
- end
- end
-end
-
-
-function Instance.plugins( self )
- local rv = { }
-
- for plugin, val in pairs( self._plugins ) do
- if self:_notzero( val ) then
- table.insert( rv, plugin )
- end
- end
-
- return rv
-end
-
-function Instance.plugin_instances( self, plugin )
- local rv = { }
-
- for instance, val in pairs( self._plugins[plugin] ) do
- table.insert( rv, instance )
- end
-
- return rv
-end
-
-function Instance.data_types( self, plugin, instance )
- local rv = { }
- local p = self._plugins[plugin]
-
- if type(p) == "table" and type(p[instance]) == "table" then
- for type, val in pairs(p[instance]) do
- table.insert( rv, type )
- end
- end
-
- return rv
-end
-
-function Instance.data_instances( self, plugin, instance, dtype )
- local rv = { }
- local p = self._plugins[plugin]
-
- if type(p) == "table" and type(p[instance]) == "table" and type(p[instance][dtype]) == "table" then
- for i, instance in ipairs(p[instance][dtype]) do
- table.insert( rv, instance )
- end
- end
-
- return rv
-end
-
-function Instance.host_instances( self )
- local hosts_path = fs.glob(self._rrddir..'/*')
- local hosts = { }
-
- if hosts_path then
- local path
- for path in hosts_path do
- hosts[#hosts+1] = fs.basename(path)
- end
- end
-
- return hosts
-end
-
projects / project / luci.git / blobdiff