2 LuCI - Lua Configuration Interface
4 Copyright 2008 Steven Barth <steven@midlink.org>
5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
7 Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
11 http://www.apache.org/licenses/LICENSE-2.0
16 module("luci.jsonrpc", package.seeall)
18 function resolve(mod, method)
19 local path = luci.util.split(value, ".")
22 if not type(mod) == "table" then
30 mod = type(mod) == "table" and mod[path[#path]] or nil
31 if type(mod) == "function" then
36 function handle(tbl, rawdata)
37 local stat, json = luci.util.copcall(luci.json.Decode, rawdata)
42 if type(json.method) == "string"
43 and (not json.params or type(json.params) == "table") then
44 if tbl[json.method] then
45 response = reply(json.jsonrpc, json.id,
46 proxy(resolve(tbl, json.method), unpack(json.params)))
48 response = reply(json.jsonrpc, json.id,
49 nil, {code=-32601, message="Method not found."})
52 response = reply(json.jsonrpc, json.id,
53 nil, {code=-32600, message="Invalid request."})
56 response = reply(json.jsonrpc, nil,
57 nil, {code=-32700, message="Parse error."})
60 return luci.json.Encode(response)
63 function reply(jsonrpc, id, res, err)
65 id = id or luci.json.Null
68 if jsonrpc ~= "2.0" then
70 res = res or luci.json.Null
71 err = err or luci.json.Null
74 return {id=id, result=res, error=err, jsonrpc=jsonrpc}
77 function proxy(method, ...)
78 local res = {luci.util.copcall(method, unpack(params))}
79 local stat = table.remove(res, 1)
82 return nil, {code=-32602, message="Invalid params.", data=table.remove(res, 1)}
84 return (#res <= 1) and res[1] or res