From 41e75554edf1ccfef9949d1d49b2c5f88ed3cac5 Mon Sep 17 00:00:00 2001
From: aewens <aewens@tilde.team>
Date: Wed, 14 Aug 2019 16:08:01 -0500
Subject: [PATCH] Sorta, kinda, working version of actor model and
 state-dispatch model

---
 taijitu.py | 142 ++++++++++++++++++++++-------------------------------
 1 file changed, 59 insertions(+), 83 deletions(-)

diff --git a/taijitu.py b/taijitu.py
index 462cf2c..6be4e08 100644
--- a/taijitu.py
+++ b/taijitu.py
@@ -1,91 +1,67 @@
-from abots.helpers import generator
-from psutil import Process as PSProcess
-from queue import Queue, Empty
-from time import sleep, monotonic as time
-from os import getloadavg
-from collections import deque
-from multiprocessing import cpu_count
+from abots.helpers import generator, infinitedict
+#from queue import Queue, Empty
+from time import monotonic as time
+from gevent import Greenlet, sleep, joinall
+from gevent.queue import Queue, Empty
 
-actions = dict()
-events = Queue()
-last = time()
-ticks = deque()
-ticks.append(0)
-max_loadavg = float(cpu_count())
-threshold = 15.0
-max_cpu = 25.0
-sleeping = 0.001
-sleepings = list()
-stats = list()
-magic = 0
-step = 0.0001
-max_ticks = 0
-loops = 0
-proc = PSProcess()
-cpu = proc.cpu_percent()
+hooks = dict()
+
+def reducer(state, action):
+    name = action.get("name")
+    data = action.get("data")
+    if name == "ADD":
+        state["counter"] = state.get("counter", 0) + data
+
+    return state
+
+@generator
+def dispatcher():
+    state, action = (yield)
+    state = state.copy() if state else infinitedict()
+    reducer(state, action)
+
+dispatch = dispatcher()
 
 def register(func):
-    actions[func.__name__] = generator(func)
+    f = func()
+    f.start()
+    hooks[func.__name__.lower()] = f
     return func
 
-@register
-def push():
-    message = (yield)
-    time1 = round(sleeping, 6)
-    time2 = round(magic, 6)
-    print("push", message, time1, time2, loops, max_ticks, cpu)
-    event = "pull", ticks[-1]
-    events.put_nowait(event)
+def loop():
+    joinall([func for name, func in hooks.items()])
+
+def transmit(hook_name, message):
+    hook = hooks.get(hook_name)
+    inbox = getattr(hook, "inbox", None)
+    put = getattr(inbox, "put", None)
+    if callable(put):
+        put(message)
+
+class Actor(Greenlet):
+    def __init__(self):
+        self.inbox = Queue()
+        Greenlet.__init__(self)
+
+    def send(self, message):
+        NotImplemented
+
+    def _run(self):
+        self.running = True
+        while self.running:
+            message = self.inbox.get()
+            self.send(message)
 
 @register
-def pull():
-    message = (yield)
-    time1 = round(sleeping, 6)
-    time2 = round(magic, 6)
-    print("pull", message, time1, time2, loops, max_ticks, cpu)
-    event = "push", ticks[-1]
-    events.put_nowait(event)
+class Ping(Actor):
+    def send(self, message):
+        print(message)
+        dispatch("pong", "ping")
+        sleep(0)
 
-seed = "push", ticks[-1]
-events.put_nowait(seed)
-done = time() + 60
-prev_cpu = 0
-prev_loadavg = 0
-while True: #time() < done:
-    if time() >= last + 1:
-        ticks.append(0)
-        last = time()
-        loadavg = getloadavg()[0]
-        diff_loadavg = loadavg - prev_loadavg
-        prev_loadavg = loadavg
-        if loadavg >= max_loadavg and diff_loadavg > 0:
-            sleeping = sleeping + step * 10
-        else:
-            cpu = proc.cpu_percent()
-            diff_cpu = cpu - prev_cpu
-            prev_cpu = cpu
-            if cpu >= max_cpu and diff_cpu > 0:
-                sleeping = sleeping + step * 10
-            elif cpu >= threshold and diff_cpu > 0:
-                sleeping = sleeping + step
-            elif sleeping - step >= 0 and diff_cpu < 0:
-                sleeping = sleeping - step
-
-        sleepings.append(sleeping)
-        stat = sum(sleepings) / len(sleepings)
-        stats.append(stat)
-        magic = sum(stats) / len(stats)
-        max_ticks = max(ticks)
-        loops = loops + 1
-
-    try:
-        event = events.get_nowait()
-        source, message = event
-        action = actions.get(source)
-        if action:
-            action().send(message)
-    except Empty:
-        break
-
-    sleep(sleeping)
-    ticks[-1] = ticks[-1] + 1
+@register
+class Pong(Actor):
+    def send(self, message):
+        print(message)
+        dispatch("ping", "pong")
+        sleep(0)