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local rawget = rawget
local rawset = rawset
local type = type
local error = error
local unpack = unpack
local setmetatable = setmetatable
local print = print
module('tango.proxy')
new =
function(send_request,recv_response,method_name)
return setmetatable(
{
method_name = method_name,
send_request = send_request,
recv_response = recv_response
},
{
__index=
function(self,sub_method_name)
-- look up if proxy already exists
local proxy = rawget(self,sub_method_name)
if not proxy then
local new_method_name
if not method_name then
new_method_name = sub_method_name
else
new_method_name = method_name..'.'..sub_method_name
end
-- create new call proxy
proxy = new(send_request,recv_response,new_method_name)
-- store for subsequent access
rawset(self,sub_method_name,proxy)
end
return proxy
end,
__call=
function(self,...)
send_request({method_name,...})
local response = recv_response()
if response[1] == true then
return unpack(response,2)
else
error(response[2],2)
end
end
})
end
return {
new = new
}
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