jang

'post' takes a delay in millisecond as second argument (defaults to 0). This allows you to introduce delays between write/reads in the steps if necessary.

You are a fast learner! 'self' is a local variable inside QuickApp: functions (it's part of the object oriented model) 'self' is not available inside ordinary functions like 'post' or the 'handlers' functions To have it accessible everywhere we assign it to a local called 'SELF' outside the functions.

Like this (incomplete example...) local SELF,handlers = nil,nil local function post(ev,time) setTimeout(function() SELF:debug("STEP:",ev.type) handlers[ev.type](ev) end,time or 0) end handlers={ start = function(ev) SELF.soc.connect(self:getVariable("IP"),23 ,{ success = function(result) post({type='connected',res=result}) end, error(msg) SELF:debug("Error:",msg) end }) end, connected = function(ev) print("SUCCESS CONNECTION") post({type='read',tag="CONNECT RESULT:",next='login'}) end, login = function(ev) SELF.soc.write("admin" .. "\ n",{ success=function(result) post({type='read', tag='LOGIN1:',next='password'}) end, error=function() ... end }) end, password = function(ev) SELF.soc.write("xxxxx" .. "\ n",{ success=function(result) post({type='read', tag='PASSWORD RESULT',next='whatever'}) end, error=function() ... end }) end, read = function(ev) SELF.soc.read({ success=function(result) SELF:debug(ev.tag,tostring(result)) post(ev.next) end, error = function(msg) SELF:debug("Error:",msg) end }) end, } function QuickApp:SwitchOn() SELF=self post({type='start'}) end See also https://forum.fibaro.com/topic/49113-hc3-quickapps-coding-tips-and-tricks/?do=findComment&comment=201413

Unfortunately, you were just lucky that the answer came during the 10ms of your setTimeout. When you enter the while-loop nothing else will run in the same QA. In fact, nothing happens in parallel in a QA, not call-backs, not calls to QuickApp: function etc. You need to constantly give time to other parts of your code with setTimeout. My example works because it's between two different QAs. If you use it within the same QA you need to use callbacks and setTimeout loop - not as elegant / simple. Ex. (Server same) Customer: local function rpc(callback,id,timeout,fun,...) local v,args = "RPC"..tostring({}):sub(10),{...} api.post("/globalVariables",{name=v}) setTimeout(function() fibaro.call(id,"RPC",{id=plugin.mainDeviceId,var=v,fun=fun,args=args}) end,0) local t,res=os.time()+timeout local function loop() if os.time()<=t then local res = fibaro.getGlobalVariable(v) if res and res~= "" then api.delete("/globalVariables/"..v) res = json.decode(res) if res[1] then callback(select(2,table.unpack(res))) else print("RPC error:"..res[2]) end else setTimeout(loop,10) end else api.delete("/globalVariables/"..v) print("RPC Timeout:"..fun) end end loop() end local function rpcFun(id,timeout,fun) return function(cb,...) return rpc(cb,id,timeout,fun,...) end end function QuickApp:onInit() self:debug("onInit ",plugin.mainDeviceId) local foo = rpcFun(240,5,"foo") for i=1,10 do foo(print,8,i) end end

I'm giving up. I can't paste code in this forum I think I succeeded.

Here's a way to make synchronous calls between QA - and it's pretty quick. QA server. plugin.mainDeviceId = 240---------------------------------------------------------- -------- -------- -------- function foo (a, b) return a + b end --- fun test -- call = {callerID = <id>, callVar = <string>, fun = <string>, args = <table>} function QuickApp : RPC (call) local res = _G [call.fun] and {pcall (_G [call.fun], table.unpack (call.args))} or { false , "No such function" } fibaro.setGlobalVariable (call.var, json.encode (res)) end function QuickApp : onInit () self: debug ( "RPC server" , plugin.mainDeviceId) end QA Client: ---------------------------------------------------------- -------- -------- ------------- local function rpc (id, timeout, fun, ...) local v = "RPC" ..tostring ({}): sub ( 10 ) api.post ( "/ globalVariables" , {name = v}) fibaro.call (id, "RPC" , {id = plugin.mainDeviceId, var = v, fun = fun, args = {...}}) local t, res = os.time () + timeout, { false , "timeout" } while os.time () <= t do res = fibaro.getGlobalVariable (v) print (type (res)) if res and res ~ = "" then res = json.decode (res) break end end api.delete ( "/ globalVariables /" ..v) if res [ 1 ] then return select ( 2 , table.unpack (res)) else error (res [ 2 ]) end end local function rpcFun (id, timeout, fun) return function (...) return rpc (id, timeout, fun, ...) end end function QuickApp : onInit () self: debug ( "onInit" , plugin.mainDeviceId) local foo = rpcFun ( 240 , 5 , "foo" ) for i = 1 , 10 do print (foo ( 8 , i)) end end ---------------------------------------------------------- -------- -------- -------- -------------