def server():
io = SansIORW(encoding="utf-8")
version, one, auth_method = yield from io.read_struct("BBB")
assert (version, one, auth_method) == (5, 1, 0)
yield from io.write_struct("BB", 5, 0)
version, command, zero, address_type = yield from io.read_struct("4B")
assert (version, command, zero, address_type) == (5, 1, 0, 4)
ipv6, port = yield from io.read_struct("16sH")
assert (ipv6, port) == ((b"\x00" * 15) + b"\x01", 666)
yield from io.write_struct("4B", 5, 0, 0, 1)
yield from io.write(b"\x00" * 4)
yield from io.write_struct("H", 0)
yield from io.passthrough()
def server():
io = SansIORW(encoding="utf-8")
version, one, auth_method = yield from io.read_struct("BBB")
assert (version, one, auth_method) == (5, 1, 0)
yield from io.write_struct("BB", 5, 0)
version, command, zero, address_type = yield from io.read_struct("4B")
assert (version, command, zero, address_type) == (5, 1, 0, 3)
domain = yield from io.read_pascal_string()
port = yield from io.read_struct("H")
assert (domain, port) == ("python.org", 666)
yield from io.write_struct("4B", 5, 0, 0, 1)
yield from io.write(b"\x00" * 4)
yield from io.write_struct("H", 0)
yield from io.passthrough()
def client():
io = SansIORW(encoding="utf-8")
yield from io.write(b"\x06")
yield from io.passthrough()