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local tbl = engine or minetest
tbl.async_jobs = {}
if engine ~= nil then
function tbl.async_event_handler(jobid, serialized_retval)
local retval = nil
if serialized_retval ~= "ERROR" then
retval= marshal.decode(serialized_retval)
else
tbl.log("error","Error fetching async result")
end
assert(type(tbl.async_jobs[jobid]) == "function")
tbl.async_jobs[jobid](retval)
tbl.async_jobs[jobid] = nil
end
else
minetest.register_globalstep(
function(dtime)
local list = tbl.get_finished_jobs()
for i=1,#list,1 do
local retval = marshal.decode(list[i].retval)
assert(type(tbl.async_jobs[jobid]) == "function")
tbl.async_jobs[list[i].jobid](retval)
tbl.async_jobs[list[i].jobid] = nil
end
end)
end
function tbl.handle_async(fct, parameters, callback)
--serialize fct
local serialized_fct = marshal.encode(fct)
assert(marshal.decode(serialized_fct) ~= nil)
--serialize parameters
local serialized_params = marshal.encode(parameters)
if serialized_fct == nil or
serialized_params == nil or
serialized_fct:len() == 0 or
serialized_params:len() == 0 then
return false
end
local jobid = tbl.do_async_callback( serialized_fct,
serialized_fct:len(),
serialized_params,
serialized_params:len())
tbl.async_jobs[jobid] = callback
return true
end
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