* ffluci/statistcs: implement rrdtool stuff, extend controller to public pages - wip

1 files changed, 134 insertions, 0 deletions

diff --git a/applications/luci-statistics/src/statistics/datatree.lua b/applications/luci-statistics/src/statistics/datatree.lua
new file mode 100644
index 0000000000..99e7e44425
--- /dev/null
+++ b/applications/luci-statistics/src/statistics/datatree.lua
@@ -0,0 +1,134 @@
+module("ffluci.statistics.datatree", package.seeall)
+
+local util = require("ffluci.util")
+local sys  = require("ffluci.sys")
+local fs   = require("ffluci.fs")
+local uci  = require("ffluci.model.uci").Session()
+local sections, names = uci:sections( "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"
+
+	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._notzero( self, table )
+	for k in pairs(table) do
+		return true
+	end
+
+	return false
+end
+
+function Instance._scan( self )
+	for i, plugin in ipairs( fs.dir( self._libdir ) ) do
+		if plugin:match("%w+.so") then
+			self._plugins[ plugin:gsub(".so", "") ] = { }
+		end
+	end
+
+	for plugin, instances in pairs( self._plugins ) do
+		for i, dir in ipairs( fs.dir( self:_mkpath() ) ) 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
+
+		for instance, data_instances in pairs( instances ) do
+			for i, file in ipairs( fs.dir( self:_mkpath( plugin, instance ) ) ) 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
+
+
+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 = { }
+
+	for type, val in pairs( self._plugins[plugin][instance] ) do
+		table.insert( rv, type )
+	end
+
+	return rv
+end
+
+function Instance.data_instances( self, plugin, instance, type )
+	local rv = { }
+
+	for i, instance in ipairs( self._plugins[plugin][instance][type] ) do
+		table.insert( rv, instance )
+	end
+
+	return rv
+end