GSoC: Add RPC client

[project/luci.git] / libs / rpcc / luasrc / rpcc / ruci.lua

diff --git a/libs/rpcc/luasrc/rpcc/ruci.lua b/libs/rpcc/luasrc/rpcc/ruci.lua
new file mode 100644 (file)
index 0000000..05cb728
--- /dev/null
+++ b/libs/rpcc/luasrc/rpcc/ruci.lua
@@ -0,0 +1,63 @@
+--[[
+LuCIRPCc
+(c) 2009 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+local util = require "luci.util"
+local rawget, setmetatable = rawget, setmetatable
+local ipairs = ipairs
+
+--- Transparent UCI over RPC client.
+-- @cstyle instance
+module "luci.rpcc.ruci"
+
+
+local Proxy = util.class()
+
+--- Create a new UCI over RPC proxy.
+-- @param rpccl RPC client
+-- @return Network transparent UCI module 
+function factory(rpccl)
+       return {
+               cursor = function(...)
+                       return Proxy(rpccl, rpccl:request("ruci.cursor", {...}))
+               end,
+               cursor_state = function(...)
+                       return Proxy(rpccl, rpccl:request("ruci.cursor_state", {...}))
+               end
+       }
+end
+
+function Proxy.__init__(self, rpccl, objid)
+       self.__rpccl = rpccl
+       self.__objid = objid
+
+       setmetatable(self, {
+               __index = function(self, key)
+                       return rawget(self, key) or Proxy[key] or function(self, ...)
+                               local argv = {self.__objid, ...}
+                               return self.__rpccl:request("ruci."..key, argv)
+                       end
+               end
+       })
+end
+
+function Proxy.foreach(self, config, section, callback)
+       local sections = self.__rpccl:request("ruci.foreach", {self.__objid, config, section})
+       if sections then
+               for _, s in ipairs(sections) do
+                       callback(s)
+               end
+               return true
+       else
+               return false
+       end
+end