.preload

-- Load the Mini Content Management System (CMS)
-- We call cmsOnunload when app is stopped
local cmsOnunload=io:dofile(".lua/cms.lua",app)

-- The following SMQ broker 'smq' is used by .lua/www/WebSockets.html
trace"Starting SMQ broker for the slider example"

local smq -- Broker set below
local angle=0 -- 0 to 180
local function newClient(tid)
   trace"New SMQ client"
   -- Update new client with current angle pos.
   smq:publish({angle=angle},tid,"slider")
end
local function slider(d)
   angle=d.angle
   trace("Slider angle",angle)
end
smq = require"smq.hub".create{onconnect=newClient}
smq:subscribe("slider",{json=true,onmsg=slider})

-- .lua/www/WebSockets.html calls this function when new client
-- connects.
function connectClientSlider(cmd)
   smq:connect(cmd)
end

-- Run when app is stopped
function onunload()
   cmsOnunload()
   smq:shutdown()
end