First scheme (preparing tools)

Concurrent Programming

@@ -1,33 +1,73 @@
-import threading
+from threading import Thread
 from datetime import timedelta
 from datetime import datetime
 import random
 import time
 
+renew_length = 12
+local_workers_number = 10
+number_of_cycles = 20
+renew = []
+done = []
+space = []
+copy = []
+
+def init():
+    for i in range(0, renew_length - 1):
+        renew.append(-1)
+    for j in range(0, local_workers_number):
+        space.append(random.randint(10,99))
+        copy.append(space[j])
+    print('  ',space,'   <  initial global state')
+
+def disp(coord, id, start, prev, next):
+    print('   {}       at [{}]  {} > {}    by thread n°{:>3}     {!s:.4}     {}'.format(
+                        space,
+                        coord,
+                        prev,
+                        next,
+                        str(id),
+                        datetime.now().timestamp() - start,
+                        renew
+                        )
+         )
+
+
 def local_worker(coord, id):
     start = datetime.now().timestamp()
     val = random.randint(1,1000)
     time.sleep(val / 1000)
     prev = space[coord]
     next = space[coord] = 10 + val % 89
-    print('{}       on [{}] : {} > {}    by local thread n°{:>3}     {!s:.4}'.format(
-                                space,
-                                coord,
-                                prev,
-                                next,
-                                str(id),
-                                datetime.now().timestamp() - start
-                                )
-         )
+    done.append(id)
+    for i in renew:
+        if renew[i] == id:
+            renew[i] = -1
+            break
+    disp(coord, id, start, prev, next)
 
-from threading import Thread
-space = []
-for i in range(0,10):
-    space.append(random.randint(10,99))
-print(space,'   <  initialglobal state')
-for k in range (1,20):
-    t = Thread(target=local_worker, args=(random.randint(0,len(space) - 1), k))
+init()
+for k in range (1, number_of_cycles):
+    n = 0
+    while renew[n] == -1: # a diagonal of zeros is expected !
+        renew[n] = 0
+        if n < renew_length - 2:
+            n += 1
+            break
+    # for n in range(0, renew_length - 1):
+    #     if renew[n] == -1:
+    #         renew[n] = 0
+    #         break
+    t = Thread(target=local_worker, args=(random.randint(0, len(space) - 1), k))
     t.start()
+time.sleep(1)
+print('  ',copy,'   <  initial global state  (to compare)')
+print(done)
+done.sort()
+print(done)
+
+
+
 
 
 """
@@ -60,5 +100,4 @@ Il délègue à la **CLI** les fonctions de communications avec les modules pér
 
  3. mesures / recueil des commandes / retour d'information
 
- """
-
+"""