add stress test script as posted to github PR #5480

src/tests/tls/README.md

@@ -38,3 +38,8 @@ You can also send accounting packets:
 ./radacct.sh
 ```
 
+Try many many TLS connections:
+
+```
+./stress.py
+```

src/tests/tls/stress.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+import multiprocessing
+import time
+import socket
+import ssl
+import logging
+
+class SSLClient:
+    def __init__(self, ip, client_cert_file_location, trusted_cas_file_location):
+        self.client_cert_file_location = client_cert_file_location
+        self.trusted_cas_file_location = trusted_cas_file_location
+        self.socket: ssl.SSLSocket = self.connect_to_server(ip, 2083, self.client_cert_file_location, self.trusted_cas_file_location)
+
+
+    def connect_to_server(self, ip, port, client_cert_file, ca_file_location): 
+        try:
+            sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+            context.verify_mode = ssl.CERT_REQUIRED
+            context.load_cert_chain(certfile=client_cert_file, password='whatever')
+
+            context.load_verify_locations(cafile=ca_file_location)
+            context.check_hostname = False
+            sock = context.wrap_socket(sock, server_hostname=ip)
+
+            connection =  sock.connect((ip, int(port)))  
+            return sock
+
+        except Exception as e:
+            logging.error(f'Radius tcp monitor: RADIUS server {ip} is DOWN. err: ' + str(e))
+            return None
+
+
+def send_stuff(x):
+    try:
+        test = SSLClient('127.0.0.1', '../../../raddb/certs/client.pem', '../../../raddb/certs/ca.pem')
+
+        test.socket.send(b'asdlkfjasldkfj')
+        test.socket.shutdown(socket.SHUT_WR)
+        test.socket.recv(1024)
+        test.socket.close()
+    except Exception as e: 
+        print('error while sending things')
+    finally:
+        try:
+            test.socket.close()
+        except: 
+            pass
+
+
+
+
+if __name__ == '__main__':
+    with multiprocessing.Pool(16) as p: 
+        while True:
+            p.map(send_stuff, range(400))
+            time.sleep(1)