Heavy memory/performance optimizations #4

diff --git a/libs/web/luasrc/dispatcher.lua b/libs/web/luasrc/dispatcher.lua
index 09e99e7..599d652 100644 (file)
--- a/libs/web/luasrc/dispatcher.lua
+++ b/libs/web/luasrc/dispatcher.lua
@@ -160,9 +160,10 @@ function dispatch(request)
        -- Init template engine
        if not track.notemplate then
                local tpl = require("luci.template")
-               local viewns = {}
+               local viewns = setmetatable({}, {__index=_G})
                tpl.context.viewns = viewns
                viewns.write       = luci.http.write
+               viewns.include     = function(name) tpl.Template(name):render(getfenv(2)) end
                viewns.translate   = function(...) return require("luci.i18n").translate(...) end
                viewns.striptags   = util.striptags
                viewns.controller  = luci.http.getenv("SCRIPT_NAME")
@@ -219,7 +220,15 @@ function dispatch(request)
                context.dispatched = c
                
                util.copcall(function()
-                       util.updfenv(c.target, require(c.module))
+                       local oldenv = getfenv(c.target)
+                       local module = require(c.module)
+                       local env = setmetatable({}, {__index=
+                               
+                       function(tbl, key)
+                               return rawget(tbl, key) or module[key] or oldenv[key] 
+                       end})
+
+                       setfenv(c.target, env)
                end)
                
                c.target(unpack(args))