require("luci.statistics.datatree")
require("luci.statistics.rrdtool.colors")
require("luci.statistics.rrdtool.definitions")
+require("luci.statistics.i18n")
require("luci.util")
-require("luci.bits")
require("luci.fs")
function Graph.__init__( self, timespan, opts )
opts = opts or { }
- opts.width = opts.width or "400"
self.colors = luci.statistics.rrdtool.colors.Instance()
self.defs = luci.statistics.rrdtool.definitions.Instance()
self.tree = luci.statistics.datatree.Instance()
+ self.i18n = luci.statistics.i18n.Instance( self )
- -- rrdtool defalt args
- self.args = {
+ -- options
+ opts.rrasingle = opts.rrasingle or true -- XXX: fixme (uci)
+ opts.host = opts.host or "OpenWrt" -- XXX: fixme (uci)
+ opts.timespan = opts.timespan or 900 -- XXX: fixme (uci)
+ opts.width = opts.width or 400 -- XXX: fixme (uci)
+
+ -- rrdtool default args
+ self.args = {
"-a", "PNG",
- "-s", "NOW-" .. ( timespan or 900 ),
+ "-s", "NOW-" .. opts.timespan,
"-w", opts.width
}
+
+ -- store options
+ self.opts = opts
end
-function Graph.mktitle( self, host, plugin, plugin_instance, dtype, dtype_instance )
- local t = host .. "/" .. plugin
+function Graph._mkpath( self, plugin, plugin_instance, dtype, dtype_instance )
+ local t = self.opts.host .. "/" .. plugin
if type(plugin_instance) == "string" and plugin_instance:len() > 0 then
t = t .. "-" .. plugin_instance
end
end
function Graph.mkrrdpath( self, ... )
- return string.format( "/tmp/%s.rrd", self:mktitle( ... ) )
+ return string.format( "/tmp/%s.rrd", self:_mkpath( ... ) )
end
function Graph.mkpngpath( self, ... )
- return string.format( "/tmp/rrdimg/%s.png", self:mktitle( ... ) )
+ return string.format( "/tmp/rrdimg/%s.png", self:_mkpath( ... ) )
end
-function Graph._push( self, elem )
+function Graph.mktitle( self, plugin, plugin_instance, dtype, dtype_instance )
- if type(elem) == "string" then
- table.insert( self.args, elem )
- else
- for i, item in ipairs(elem) do
- table.insert( self.args, item )
- end
- end
-
- return( self.args )
-end
-
-function Graph._clearargs( self )
- for i = #self.args, 7, -1 do
- table.remove( self.args, i )
- end
+ -- try various strings to retrieve a diagram title from the langfile
+ return "XXX"
end
function Graph._forcelol( self, list )
return( list )
end
-function Graph._rrdtool( self, png, rrd )
+function Graph._rrdtool( self, def, rrd )
-- prepare directory
- local dir = png:gsub("/[^/]+$","")
+ local dir = def[1]:gsub("/[^/]+$","")
luci.fs.mkdir( dir, true )
-- construct commandline
- local cmdline = "rrdtool graph " .. png
+ local cmdline = "rrdtool graph"
+ -- copy default arguments to def stack
for i, opt in ipairs(self.args) do
+ table.insert( def, 1 + i, opt )
+ end
+ -- construct commandline from def stack
+ for i, opt in ipairs(def) do
opt = opt .. "" -- force string
if rrd then
rrdtool:close()
end
-function Graph._generic( self, opts )
+function Graph._generic( self, opts, plugin, plugin_instance, dtype, index )
- local images = { }
- local rrasingle = false -- XXX: fixme
+ -- generated graph defs
+ local defs = { }
-- internal state variables
+ local _args = { }
+ local _sources = { }
local _stack_neg = { }
local _stack_pos = { }
local _longest_name = 0
local _ti = table.insert
local _sf = string.format
+ -- local helper: append a string.format() formatted string to given table
+ function _tif( list, fmt, ... )
+ table.insert( list, string.format( fmt, ... ) )
+ end
+
-- local helper: create definitions for min, max, avg and create *_nnl (not null) variable from avg
function __def(source)
if not ds or ds:len() == 0 then ds = "value" end
- local rv = { _sf( "DEF:%s_avg=%s:%s:AVERAGE", inst, rrd, ds ) }
+ _tif( _args, "DEF:%s_avg=%s:%s:AVERAGE", inst, rrd, ds )
- if not rrasingle then
- _ti( rv, _sf( "DEF:%s_min=%s:%s:MIN", inst, rrd, ds ) )
- _ti( rv, _sf( "DEF:%s_max=%s:%s:MAX", inst, rrd, ds ) )
+ if not self.opts.rrasingle then
+ _tif( _args, "DEF:%s_min=%s:%s:MIN", inst, rrd, ds )
+ _tif( _args, "DEF:%s_max=%s:%s:MAX", inst, rrd, ds )
end
- _ti( rv, _sf( "CDEF:%s_nnl=%s_avg,UN,0,%s_avg,IF", inst, inst, inst ) )
-
- return rv
+ _tif( _args, "CDEF:%s_nnl=%s_avg,UN,0,%s_avg,IF", inst, inst, inst )
end
-- local helper: create cdefs depending on source options like flip and overlay
function __cdef(source)
- local rv = { }
local prev
-- find previous source, choose stack depending on flip state
-- is first source in stack or overlay source: source_stk = source_nnl
if not prev or source.overlay then
-- create cdef statement
- _ti( rv, _sf( "CDEF:%s_stk=%s_nnl", source.sname, source.sname ) )
+ _tif( _args, "CDEF:%s_stk=%s_nnl", source.sname, source.sname )
-- is subsequent source without overlay: source_stk = source_nnl + previous_stk
else
-- create cdef statement
- _ti( rv, _sf(
- "CDEF:%s_stk=%s_nnl,%s_stk,+", source.sname, source.sname, prev
- ) )
+ _tif( _args, "CDEF:%s_stk=%s_nnl,%s_stk,+", source.sname, source.sname, prev )
end
-- create multiply by minus one cdef if flip is enabled
if source.flip then
-- create cdef statement: source_stk = source_stk * -1
- _ti( rv, _sf( "CDEF:%s_neg=%s_stk,-1,*", source.sname, source.sname ) )
+ _tif( _args, "CDEF:%s_neg=%s_stk,-1,*", source.sname, source.sname )
-- push to negative stack if overlay is disabled
if not source.overlay then
-- calculate total amount of data if requested
if source.total then
- _ti( rv, _sf(
+ _tif( _args,
"CDEF:%s_avg_sample=%s_avg,UN,0,%s_avg,IF,sample_len,*",
source.sname, source.sname, source.sname
- ) )
+ )
- _ti( rv, _sf(
+ _tif( _args,
"CDEF:%s_avg_sum=PREV,UN,0,PREV,IF,%s_avg_sample,+",
source.sname, source.sname, source.sname
- ) )
+ )
end
-
-
- return rv
end
-- local helper: create cdefs required for calculating total values
function __cdef_totals()
if _has_totals then
- return {
- _sf( "CDEF:mytime=%s_avg,TIME,TIME,IF", opts.sources[1].sname ),
- "CDEF:sample_len_raw=mytime,PREV(mytime),-",
- "CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF"
- }
- else
- return { }
+ _tif( _args, "CDEF:mytime=%s_avg,TIME,TIME,IF", _sources[1].sname )
+ _ti( _args, "CDEF:sample_len_raw=mytime,PREV(mytime),-" )
+ _ti( _args, "CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF" )
end
end
-- local helper: create line and area statements
- function __area(source)
+ function __line(source)
local line_color
local area_color
end
-- create legend
- legend = _sf( "%-" .. _longest_name .. "s", source.name )
+ legend = _sf( "%-" .. _longest_name .. "s", source.title )
- -- create area and line1 statement
- return {
- _sf( "AREA:%s_%s#%s", source.sname, var, area_color ),
- _sf( "LINE1:%s_%s#%s:%s", source.sname, var, line_color, legend )
- }
+ -- create area if not disabled
+ if not source.noarea then
+ _tif( _args, "AREA:%s_%s#%s", source.sname, var, area_color )
+ end
+
+ -- create line1 statement
+ _tif( _args, "LINE1:%s_%s#%s:%s", source.sname, var, line_color, legend )
end
-- local helper: create gprint statements
function __gprint(source)
- local rv = { }
local numfmt = opts.number_format or "%6.1lf"
local totfmt = opts.totals_format or "%5.1lf%s"
-- don't include MIN if rrasingle is enabled
- if not rrasingle then
- _ti( rv, _sf( "GPRINT:%s_min:MIN:%s Min", source.sname, numfmt ) )
+ if not self.opts.rrasingle then
+ _tif( _args, "GPRINT:%s_min:MIN:%s Min", source.sname, numfmt )
end
-- always include AVERAGE
- _ti( rv, _sf( "GPRINT:%s_avg:AVERAGE:%s Avg", source.sname, numfmt ) )
+ _tif( _args, "GPRINT:%s_avg:AVERAGE:%s Avg", source.sname, numfmt )
-- don't include MAX if rrasingle is enabled
- if not rrasingle then
- _ti( rv, _sf( "GPRINT:%s_max:MAX:%s Max", source.sname, numfmt ) )
+ if not self.opts.rrasingle then
+ _tif( _args, "GPRINT:%s_max:MAX:%s Max", source.sname, numfmt )
end
-- include total count if requested else include LAST
if source.total then
- _ti( rv, _sf( "GPRINT:%s_avg_sum:LAST:(ca. %s Total)", source.sname, totfmt ) )
+ _tif( _args, "GPRINT:%s_avg_sum:LAST:(ca. %s Total)\\l", source.sname, totfmt )
else
- _ti( rv, _sf( "GPRINT:%s_avg:LAST:%s Last", source.sname, numfmt ) )
+ _tif( _args, "GPRINT:%s_avg:LAST:%s Last\\l", source.sname, numfmt )
end
+ end
- -- end label line
- rv[#rv] = rv[#rv] .. "\\l"
+ --
+ -- find all data sources
+ --
- return rv
+ -- find data types
+ local data_types
+
+ if dtype then
+ data_types = { dtype }
+ else
+ data_types = opts.data.types or { }
end
+ if not ( dtype or opts.data.types ) then
+ if opts.data.instances then
+ for k, v in pairs(opts.data.instances) do
+ _ti( data_types, k )
+ end
+ elseif opts.data.sources then
+ for k, v in pairs(opts.data.sources) do
+ _ti( data_types, k )
+ end
+ end
+ end
- -- remember images
- _ti( images, opts.image )
- -- insert provided addition rrd options
- self:_push( { "-t", opts.title or "Unknown title" } )
- self:_push( opts.rrd )
+ -- iterate over data types
+ for i, dtype in ipairs(data_types) do
- -- store index and safe instance name within each source object,
- -- find longest instance name
- for i, source in ipairs(opts.sources) do
+ -- find instances
- if source.name:len() > _longest_name then
- _longest_name = source.name:len()
- end
+ local data_instances
- if source.total then
- _has_totals = true
+ if not opts.per_instance then
+ if type(opts.data.instances) == "table" and type(opts.data.instances[dtype]) == "table" then
+ data_instances = opts.data.instances[dtype]
+ else
+ data_instances = self.tree:data_instances( plugin, plugin_instance, dtype )
+ end
end
- source.index = i
- source.sname = i .. source.name:gsub("[^A-Za-z0-9%-_]","_")
- end
+ if type(data_instances) ~= "table" or #data_instances == 0 then data_instances = { "" } end
+
+
+ -- iterate over data instances
+ for i, dinst in ipairs(data_instances) do
+
+ -- construct combined data type / instance name
+ local dname = dtype
+
+ if dinst:len() > 0 then
+ dname = dname .. "_" .. dinst
+ end
+
+
+ -- find sources
+ local data_sources = { "value" }
+
+ if type(opts.data.sources) == "table" then
+ if type(opts.data.sources[dname]) == "table" then
+ data_sources = opts.data.sources[dname]
+ elseif type(opts.data.sources[dtype]) == "table" then
+ data_sources = opts.data.sources[dtype]
+ end
+ end
+
+
+ -- iterate over data sources
+ for i, dsource in ipairs(data_sources) do
+
+ local dsname = dtype .. "_" .. dinst:gsub("[^%w]","_") .. "_" .. dsource
+ local altname = dtype .. "__" .. dsource
+
+ -- find datasource options
+ local dopts = { }
+
+ if type(opts.data.options) == "table" then
+ if type(opts.data.options[dsname]) == "table" then
+ dopts = opts.data.options[dsname]
+ elseif type(opts.data.options[altname]) == "table" then
+ dopts = opts.data.options[altname]
+ elseif type(opts.data.options[dname]) == "table" then
+ dopts = opts.data.options[dname]
+ elseif type(opts.data.options[dtype]) == "table" then
+ dopts = opts.data.options[dtype]
+ end
+ end
+
+
+ -- store values
+ _ti( _sources, {
+ rrd = dopts.rrd or self:mkrrdpath( plugin, plugin_instance, dtype, dinst ),
+ color = dopts.color or self.colors:to_string( self.colors:random() ),
+ flip = dopts.flip or false,
+ total = dopts.total or false,
+ overlay = dopts.overlay or false,
+ noarea = dopts.noarea or false,
+ ds = dsource,
+ type = dtype,
+ instance = dinst,
+ index = #_sources + 1,
+ sname = ( #_sources + 1 ) .. dtype
+ } )
- -- create DEF statements for each instance, find longest instance name
- for i, source in ipairs(opts.sources) do
- self:_push( __def( source ) )
+
+ -- generate datasource title
+ _sources[#_sources].title = self.i18n:ds( _sources[#_sources] )
+
+
+ -- find longest name ...
+ if _sources[#_sources].title:len() > _longest_name then
+ _longest_name = _sources[#_sources].title:len()
+ end
+
+
+ -- has totals?
+ if _sources[#_sources].total then
+ _has_totals = true
+ end
+ end
+ end
end
- -- create CDEF required for calculating totals
- self:_push( __cdef_totals() )
- -- create CDEF statements for each instance in reversed order
- for i, source in ipairs(opts.sources) do
- self:_push( __cdef( opts.sources[1 + #opts.sources - i] ) )
+ --
+ -- construct diagrams
+ --
+
+ -- if per_instance is enabled then find all instances from the first datasource in diagram
+ -- if per_instance is disabled then use an empty pseudo instance and use model provided values
+ local instances = { "" }
+
+ if opts.per_instance then
+ instances = self.tree:data_instances( plugin, plugin_instance, _sources[1].type )
end
- -- create LINE1, AREA and GPRINT statements for each instance
- for i, source in ipairs(opts.sources) do
- self:_push( __area( source ) )
- self:_push( __gprint( source ) )
+
+ -- iterate over instances
+ for i, instance in ipairs(instances) do
+
+ -- store title and vlabel
+ _ti( _args, "-t" )
+ _ti( _args, opts.title or self.i18n:title( plugin, plugin_instance, _sources[1].type, instance ) )
+ _ti( _args, "-v" )
+ _ti( _args, opts.vlabel or self.i18n:label( plugin, plugin_instance, _sources[1].type, instance ) )
+
+ -- store additional rrd options
+ if opts.rrdopts then
+ for i, o in ipairs(opts.rrdopts) do _ti( _args, o ) end
+ end
+
+
+ -- create DEF statements for each instance
+ for i, source in ipairs(_sources) do
+ -- fixup properties for per instance mode...
+ if opts.per_instance then
+ source.instance = instance
+ source.rrd = self:mkrrdpath( plugin, plugin_instance, source.type, instance )
+ end
+
+ __def( source )
+ end
+
+ -- create CDEF required for calculating totals
+ __cdef_totals()
+
+ -- create CDEF statements for each instance in reversed order
+ for i, source in ipairs(_sources) do
+ __cdef( _sources[1 + #_sources - i] )
+ end
+
+ -- create LINE1, AREA and GPRINT statements for each instance
+ for i, source in ipairs(_sources) do
+ __line( source )
+ __gprint( source )
+ end
+
+ -- prepend image path to arg stack
+ _ti( _args, 1, self:mkpngpath( plugin, plugin_instance, index .. instance ) )
+
+ -- push arg stack to definition list
+ _ti( defs, _args )
+
+ -- reset stacks
+ _args = { }
+ _stack_pos = { }
+ _stack_neg = { }
end
- return images
+ return defs
end
-function Graph.render( self, host, plugin, plugin_instance )
+function Graph.render( self, plugin, plugin_instance )
dtype_instances = dtype_instances or { "" }
local pngs = { }
local stat, def = pcall( require, plugin_def )
if stat and def and type(def.rrdargs) == "function" then
- for i, opts in ipairs( self:_forcelol( def.rrdargs( self, host, plugin, plugin_instance, dtype ) ) ) do
- for i, png in ipairs( self:_generic( opts ) ) do
- table.insert( pngs, png )
+
+ -- temporary image matrix
+ local _images = { }
+
+ -- get diagram definitions
+ for i, opts in ipairs( self:_forcelol( def.rrdargs( self, plugin, plugin_instance ) ) ) do
+
+ _images[i] = { }
+
+ -- get diagram definition instances
+ local diagrams = self:_generic( opts, plugin, plugin_instance, nil, i )
+
+ -- render all diagrams
+ for j, def in ipairs( diagrams ) do
+
+ -- remember image
+ _images[i][j] = def[1]
-- exec
- self:_rrdtool( png )
+ self:_rrdtool( def )
+ end
+ end
- -- clear args
- self:_clearargs()
+ -- remember images - XXX: fixme (will cause probs with asymmetric data)
+ for y = 1, #_images[1] do
+ for x = 1, #_images do
+ table.insert( pngs, _images[x][y] )
end
end
else
local stat, def = pcall( require, dtype_def )
if stat and def and type(def.rrdargs) == "function" then
- for i, opts in ipairs( self:_forcelol( def.rrdargs( self, host, plugin, plugin_instance, dtype ) ) ) do
- for i, png in ipairs( self:_generic( opts ) ) do
- table.insert( pngs, png )
+
+ -- temporary image matrix
+ local _images = { }
+
+ -- get diagram definitions
+ for i, opts in ipairs( self:_forcelol( def.rrdargs( self, plugin, plugin_instance, dtype ) ) ) do
+
+ _images[i] = { }
+
+ -- get diagram definition instances
+ local diagrams = self:_generic( opts, plugin, plugin_instance, dtype, i )
+
+ -- render all diagrams
+ for j, def in ipairs( diagrams ) do
+
+ -- remember image
+ _images[i][j] = def[1]
-- exec
- self:_rrdtool( png )
+ self:_rrdtool( def )
+ end
+ end
- -- clear args
- self:_clearargs()
+ -- remember images - XXX: fixme (will cause probs with asymmetric data)
+ for y = 1, #_images[1] do
+ for x = 1, #_images do
+ table.insert( pngs, _images[x][y] )
end
end
else
-- iterate over data type instances
for i, inst in ipairs( self.tree:data_instances( plugin, plugin_instance, dtype ) ) do
- local title = self:mktitle( host, plugin, plugin_instance, dtype, inst )
- local png = self:mkpngpath( host, plugin, plugin_instance, dtype, inst )
- local rrd = self:mkrrdpath( host, plugin, plugin_instance, dtype, inst )
-
- self:_push( { "-t", title } )
- self:_push( self.defs.definitions[dtype] )
+ local title = self:mktitle( plugin, plugin_instance, dtype, inst )
+ local png = self:mkpngpath( plugin, plugin_instance, dtype, inst )
+ local rrd = self:mkrrdpath( plugin, plugin_instance, dtype, inst )
+ local args = { png, "-t", title }
+
+ for i, o in ipairs(self.defs.definitions[dtype]) do
+ table.insert( args, o )
+ end
+ -- remember image
table.insert( pngs, png )
-- exec
- self:_rrdtool( png, rrd )
-
- -- clear args
- self:_clearargs()
+ self:_rrdtool( args, rrd )
end
end
end
return pngs
end
-
projects / project / luci.git / blobdiff