Add server side

server.py

@@ -0,0 +1,44 @@
+import argparse
+import logging
+import socket
+
+LOGGER = logging.Logger(__name__)
+
+def main():
+	parser = argparse.ArgumentParser()
+	parser.add_argument("host", help="The IPv6 address of the host to connect to.")
+	parser.add_argument("--port", "-p", default=50007, help="The port to connect to.")
+	args = parser.parse_args()
+
+	addresses = [addr for addr in socket.getaddrinfo(host=args.host, port=args.port, family=socket.AF_INET6, type=socket.SOCK_STREAM, proto=0, flags=0)]
+	if not addresses:
+		raise ValueError("Couldn't find ipv6 address for source %s" % source_ip)
+	if len(addresses) > 1:
+		raise ValueError("Not sure which address you want")
+	address = addresses[0]
+	logging.info("Binding %s", address)
+	bind_socket(*address)
+
+def bind_socket(family, type_, proto, canonname, sockaddr):
+	sock = socket.socket(
+		family=family,
+		type=type_,
+		proto=proto,
+	)
+	sock.bind(sockaddr)
+	LOGGER.info("Bound %s", sockaddr)
+	try:
+		sock.listen(1)
+	except OSError as msg:
+		sock.close()
+		return
+	conn, addr = sock.accept()
+	with conn:
+		LOGGER.info("Connected by %s", addr)
+		while True:
+			data = conn.recv(1024)
+			if not data: break
+			conn.send(data)
+
+if __name__ == "__main__":
+	main()