libs/httpd/luasrc/httpd/handler/luci.lua

   1 module("luci.httpd.handler.luci", package.seeall)
   2 require("luci.dispatcher")
   3 require("luci.http")
   4 require("ltn12")
   5
   6 Luci = luci.util.class(luci.httpd.module.Handler)
   7 Response = luci.httpd.module.Response
   8
   9 function Luci.__init__(self)
  10         luci.httpd.module.Handler.__init__(self)
  11 end
  12
  13 function Luci.handle(self, request, sourcein, sinkerr)
  14         local r = luci.http.Request(
  15                 request.env,
  16                 sourcein,
  17                 sinkerr
  18         )
  19
  20         local res, id, data1, data2 = true, 0, nil, nil
  21         local headers = {}
  22         local status = 200
  23
  24         local x = coroutine.create(luci.dispatcher.httpdispatch)
  25         while id < 3 do
  26                 coroutine.yield()
  27
  28                 res, id, data1, data2 = coroutine.resume(x, r)
  29
  30                 if not res then
  31                         status = 500
  32                         headers["Content-Type"] = "text/plain"
  33                         local err = {id}
  34                         return status, headers, function() local x = table.remove(err) return x end
  35                 end
  36
  37                 if id == 1 then
  38                         status = data1
  39                 elseif id == 2 then
  40                         headers[data1] = data2
  41                 end
  42         end
  43
  44         local function iter()
  45                 local res, id, data = coroutine.resume(x)
  46                 if not res then
  47                         return nil, id
  48                 elseif id == 5 then
  49                         return nil
  50                 else
  51                         return data
  52                 end
  53         end
  54
  55         return Response(status, headers), iter
  56 end