local skynet = require "skynet"
local db = {}

local command = {}

function command.GET(key)
	skynet.ret(db[key])
end

function command.SET(key, value)
	local last = db[key]
	db[key] = value
	skynet.ret(last)
end

skynet.dispatch(function(msg, sz , session, from)
	local message = skynet.tostring(msg,sz)
	print("simpledb",message, from, session)
	local cmd, key , value = string.match(message, "(%w+) (%w+) ?(.*)")
	local f = command[cmd]
	if f then
		f(key,value)
	else
		skynet.ret("Invalid command : "..message)
	end
end)

skynet.register "SIMPLEDB"