Add simple client

client.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import argparse
+import logging
+import socket
+import sys
+
+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()
+
+	s = None
+	for res in socket.getaddrinfo(args.host, args.port, socket.AF_UNSPEC, socket.SOCK_STREAM):
+		af, socktype, proto, canonname, sa = res
+		try:
+			s = socket.socket(af, socktype, proto)
+		except OSError as msg:
+			s = None
+			continue
+		try:
+			s.connect(sa)
+		except OSError as msg:
+			s.close()
+			s = None
+			continue
+		break
+	if s is None:
+		print('could not open socket')
+		sys.exit(1)
+	with s:
+		s.sendall(b'Hello, world')
+		data = s.recv(1024)
+	print('Received', repr(data))
+
+	if __name__ == "__main__":
+		main()
+
+if __name__ == "__main__":
+	main()