working examples

check_connection.py

@@ -0,0 +1,58 @@
+import socket
+import threading
+
+PORT = 54000
+BROADCAST = "255.255.255.255"
+
+udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+udp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+
+interfaces = socket.getaddrinfo(host=socket.gethostname(), port=None, family=socket.AF_INET)
+for idx, ip in enumerate(interfaces):
+    print(f"{idx}: {ip[-1][0]}")
+
+interface = input("Który interfejs: ")
+ip_addr = interface[int(interface)][-1][0]
+udp_socket.bind((ip_addr, PORT))
+
+def recive_bradcast():
+    print("Nasluchuje....")
+    t = threading.currentThread()
+    while getattr(t, "do_run", True):
+        data, addr = udp_socket.recvfrom(1024)
+        print(f"from: {addr}, recive: {data}")
+
+    print("Przestalem nasluchiwac!")
+
+recv_thread = threading.Thread(target=recive_bradcast)
+recv_thread.start()
+
+
+counter = 0
+while True:
+    choice = input("Wyslac dane?[t/n] ")
+    if choice.lower() == "n":
+        run = False
+        break
+    elif choice.lower() != "t":
+        continue
+
+    counter = counter + 1
+    udp_socket.sendto(f"test connection, counter: {counter}".encode("utf8"), (BROADCAST, PORT))
+
+recv_thread.do_run = False
+udp_socket.close()
+
+
+
+
+
+
+# print(interfaces[int(interface)][-1][0])
+# allips = [ip[-1][0] for ip in interfaces]
+# print(allips)
+
+# print(socket.gethostbyname(socket.gethostname()))
+# print(socket.if_nameindex())
+# print(socket.if_nametoindex(socket.gethostname()))
+# print(interfaces)