for tests

for_testing_multicast/peer.py

@@ -0,0 +1,31 @@
+from typing import Any, Tuple, Generator
+from ipaddress import IPv6Address
+import re
+import socket
+import time
+import struct
+
+# Initialise socket for IPv6 datagrams
+sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+
+# Allows address to be reused
+sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+# Binds to all interfaces on the given port
+sock.bind(('', 1212))
+
+# Allow messages from this socket to loop back for development
+#sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, True)
+
+# Construct message for joining multicast group
+#mreq = struct.pack("16s15s".encode('utf-8'), socket.inet_pton(socket.AF_INET6, "ff02::4242:4242"), (chr(0) * 16).encode('utf-8'))
+
+mreq = struct.pack("16s15s", socket.inet_pton(socket.AF_INET6, "ff02::4242:4242"), bytes(socket.INADDR_ANY))
+sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
+
+data, addr = sock.recvfrom(1024)
+print(data)
+print(addr[0], addr[1])
+
+time.sleep(3)
+sock.sendto("hello world".encode('utf-8'), ("addr[0]", int(addr[1])))

for_testing_multicast/sender.py

@@ -0,0 +1,15 @@
+from typing import Any, Tuple, Generator
+from ipaddress import IPv6Address
+import re
+import socket
+import time
+import struct
+
+# Initialise socket for IPv6 datagrams
+sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+
+sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
+
+sock.sendto("hello world".encode('utf-8'), ("ff02::4242:4242", 1212))
+
+