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-rw-r--r--applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua22
-rw-r--r--applications/luci-statistics/luasrc/view/public_statistics/graph.htm2
2 files changed, 18 insertions, 6 deletions
diff --git a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
index b40603dbe..817622c43 100644
--- a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
+++ b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
@@ -161,16 +161,28 @@ function statistics_render()
local span = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1]
local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ) )
+ -- 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
+ 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
diff --git a/applications/luci-statistics/luasrc/view/public_statistics/graph.htm b/applications/luci-statistics/luasrc/view/public_statistics/graph.htm
index 71be2aa2f..fcc452f5a 100644
--- a/applications/luci-statistics/luasrc/view/public_statistics/graph.htm
+++ b/applications/luci-statistics/luasrc/view/public_statistics/graph.htm
@@ -31,7 +31,7 @@ $Id$
<div style="text-align: center">
<% for i, img in ipairs(images) do %>
- <img src="/rrdimg/<%=img%>" />
+ <img src="<%=REQUEST_URI%>?img=<%=img%>" />
<br />
<% end %>
</div>