mtcontrib/async
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Small: Redo to async

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Coder12a 2019-04-18 16:03:47 -05:00
parent 48649de608
commit 89ea46c854
1 changed files with 25 additions and 53 deletions
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78
async.lua
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@ -1,79 +1,58 @@
function extended_api.Async()
local self = {}
self.pool = {threads = {}, globalstep_threads = {}, task_queue = {}, resting = 200, maxtime = 200, queue_threads = 8, state = "suspended"}
self.task_queue = {}
self.resting = 200
self.maxtime = 200
self.queue_threads = 8
self.state = "suspended"
self.create_worker = function(func)
local thread = coroutine.create(func)
if not thread or coroutine.status(thread) == "dead" then
minetest.after(0.3, self.create_worker, func)
minetest.after(0.5, self.schedule_worker)
minetest.chat_send_all("Fall")
return
end
table.insert(self.pool.threads, thread)
self.run_worker(thread)
end
self.create_globalstep_worker = function(func)
local thread = coroutine.create(func)
if not thread or coroutine.status(thread) == "dead" then
minetest.after(0.3, self.create_globalstep_worker, func)
minetest.after(0.5, self.schedule_globalstep_worker)
return
end
table.insert(self.pool.globalstep_threads, thread)
self.run_globalstep_worker(thread)
end
self.run_worker = function(index)
local thread = self.pool.threads[index]
self.run_worker = function(thread)
if not thread or coroutine.status(thread) == "dead" then
table.remove(self.pool.threads, index)
return false
else
coroutine.resume(thread)
minetest.after(0, self.schedule_worker)
minetest.after(self.resting / 1000, self.run_worker, thread)
return true
end
end
self.run_globalstep_worker = function(index)
local thread = self.pool.globalstep_threads[index]
self.run_globalstep_worker = function(thread)
if not thread or coroutine.status(thread) == "dead" then
table.remove(self.pool.globalstep_threads, index)
return false
else
coroutine.resume(thread)
minetest.after(0, self.schedule_globalstep_worker)
minetest.after(0, self.run_globalstep_worker, thread)
return true
end
end
self.schedule_worker = function()
self.pool.state = "running"
for index, value in ipairs(self.pool.threads) do
minetest.after(self.pool.resting / 1000, self.run_worker, index)
return true
end
self.pool.state = "suspended"
return false
end
self.schedule_globalstep_worker = function()
for index, value in ipairs(self.pool.globalstep_threads) do
minetest.after(0, self.run_globalstep_worker, index)
return true
end
return false
end
self.priority = function(resting, maxtime)
self.pool.resting = resting
self.pool.maxtime = maxtime
self.resting = resting
self.maxtime = maxtime
end
self.iterate = function(from, to, func, callback)
self.create_worker(function()
local last_time = minetest.get_us_time() / 1000
local maxtime = self.pool.maxtime
local maxtime = self.maxtime
for i = from, to do
local b = func(i)
if b ~= nil and b == false then
@ -89,15 +68,14 @@ function extended_api.Async()
end
return
end)
self.schedule_worker()
end
self.foreach = function(array, func, callback)
self.create_worker(function()
local last_time = minetest.get_us_time() / 1000
local maxtime = self.pool.maxtime
local maxtime = self.maxtime
for k,v in ipairs(array) do
local b = func(k, v)
local b = func(k,v)
if b ~= nil and b == false then
break
end
@ -111,13 +89,12 @@ function extended_api.Async()
end
return
end)
self.schedule_worker()
end
self.do_while = function(condition_func, func, callback)
self.create_worker(function()
local last_time = minetest.get_us_time() / 1000
local maxtime = self.pool.maxtime
local maxtime = self.maxtime
while(condition_func()) do
local c = func()
if c ~= nil and c ~= condition_func() then
@ -133,7 +110,6 @@ function extended_api.Async()
end
return
end)
self.schedule_worker()
end
self.register_globalstep = function(func)
@ -150,14 +126,13 @@ function extended_api.Async()
end
end
end)
self.schedule_globalstep_worker()
end
self.chain_task = function(tasks, callback)
self.create_worker(function()
local pass_arg = nil
local last_time = minetest.get_us_time() / 1000
local maxtime = self.pool.maxtime
local maxtime = self.maxtime
for index, task_func in pairs(tasks) do
local p = task_func(pass_arg)
if p ~= nil then
@ -173,20 +148,19 @@ function extended_api.Async()
end
return
end)
self.schedule_worker()
end
self.queue_task = function(func, callback)
table.insert(self.pool.task_queue, {func = func,callback = callback})
if self.pool.queue_threads > 0 then
self.pool.queue_threads = self.pool.queue_threads - 1
table.insert(self.task_queue, {func = func,callback = callback})
if self.queue_threads > 0 then
self.queue_threads = self.queue_threads - 1
self.create_worker(function()
local pass_arg = nil
local last_time = minetest.get_us_time() / 1000
local maxtime = self.pool.maxtime
local maxtime = self.maxtime
while(true) do
local task_func = self.pool.task_queue[1]
table.remove(self.pool.task_queue, 1)
local task_func = self.task_queue[1]
table.remove(self.task_queue, 1)
if task_func and task_func.func then
pass_arg = nil
local p = task_func.func()
@ -201,12 +175,11 @@ function extended_api.Async()
last_time = minetest.get_us_time() / 1000
end
else
self.pool.queue_threads = self.pool.queue_threads + 1
self.queue_threads = self.queue_threads + 1
return
end
end
end)
self.schedule_worker()
end
end
@ -221,7 +194,6 @@ function extended_api.Async()
end
return
end)
self.schedule_worker()
end
return self
end