update

.idea/workspace.xml

@@ -49,7 +49,7 @@
       <recent name="D:\opcua-cloning" />
     </key>
   </component>
-  <component name="RunManager" selected="Python.hash_sender">
+  <component name="RunManager" selected="Python.opcua-transmitter (1)">
     <configuration name="asyncua_server (1)" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="opcua-cloning" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -178,8 +178,8 @@
     </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="Python.hash_sender" />
         <item itemvalue="Python.opcua-transmitter (1)" />
+        <item itemvalue="Python.hash_sender" />
         <item itemvalue="Python.opcua_receiver" />
         <item itemvalue="Python.asyncua_server (1)" />
         <item itemvalue="Python.asyncua_server" />

asyncua_server.py

 import asyncio
 from asyncua import ua, Server
-import random
+import socket
 import threading
 
+localIP = "2.2.2.5"
+localPort = 20002
+bufferSize = 1024
+UDPServerSocket = socket.socket(family=socket.AF_INET, type=socket.SOCK_DGRAM)
+UDPServerSocket.bind((localIP, localPort))
+
 class asyncua_server():
     def __init__(self):
         self.server=None
@@ -39,8 +45,15 @@ class asyncua_server():
             # stop the server
             await self.server.stop()
 
+asr = asyncua_server()
 
+def hash_receive():
+    while (True):
+        bytesAddressPair = UDPServerSocket.recvfrom(bufferSize)
+        message = bytesAddressPair[0]
+        print(message)
 
 def st():
-    asr = asyncua_server()
+    t1=threading.Thread(target=hash_receive)
+    t1.start()
     asyncio.run(asr.start_server("opc.tcp://localhost:4840/myopc/free","http://klopc.com"))

hash_receiver.py

 import socket
 
-localIP = "2.2.2.5"
-localPort = 20002
-bufferSize = 1024
-UDPServerSocket = socket.socket(family=socket.AF_INET, type=socket.SOCK_DGRAM)
-UDPServerSocket.bind((localIP, localPort))
 
-while (True):
-    bytesAddressPair = UDPServerSocket.recvfrom(bufferSize)
-    message = bytesAddressPair[0]
-    print(message)
+
\ No newline at end of file

hash_sender.py

@@ -41,5 +41,5 @@ async def get_send_hash():
             UDPClientSocket.sendto(hierarchy, serverAddressPort)
             print(hierarchy)
 
-if __name__ == '__main__':
+def send_hash():
     asyncio.run(get_send_hash())
\ No newline at end of file

opcua-transmitter.py

 import asyncio
 import socket
-
+import threading
+import hash_sender
 from asyncua import Client, Node
 from asyncua.common.subscription import DataChangeNotif, SubHandler
 
@@ -51,6 +52,8 @@ async def main() -> None:
         # Get a variable node.
         node = await get_nodes(client)
         # Subscribe data change.
+        t1=threading.Thread(target=hash_sender.send_hash)
+        t1.start()
         handler = MyHandler()
         subscription = await client.create_subscription(period=0, handler=handler)
         await subscription.subscribe_data_change(node)
@@ -58,7 +61,7 @@ async def main() -> None:
         # Process data change every 100ms
         while True:
             await handler.process()
-            await asyncio.sleep(0.1)
+            await asyncio.sleep(1)
 
 if __name__ == '__main__':
     asyncio.run(main())