def _create_logical_frame(channel_id,
message,
opcode=common.OPCODE_BINARY,
mask=True):
bits = chr(0x80 | opcode)
payload = mux._encode_channel_id(channel_id) + bits + message
return create_binary_frame(payload, mask=mask)
def _create_add_channel_request_frame(channel_id, encoding, encoded_handshake):
if encoding != 0 and encoding != 1:
raise ValueError('Invalid encoding')
block = mux._create_control_block_length_value(
channel_id, mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, encoding,
encoded_handshake)
payload = mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + block
return create_binary_frame(payload, mask=True)
def _create_add_channel_request_frame(channel_id, encoding, encoded_handshake):
if encoding != 0 and encoding != 1:
raise ValueError('Invalid encoding')
block = mux._create_control_block_length_value(
channel_id, mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, encoding,
encoded_handshake)
payload = mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + block
return create_binary_frame(payload, mask=True)
def test_channel_id_encode(self):
encoded = mux._encode_channel_id(0)
self.assertEqual('\x00', encoded)
encoded = mux._encode_channel_id(2**14 - 1)
self.assertEqual('\xbf\xff', encoded)
encoded = mux._encode_channel_id(2**14)
self.assertEqual('\xc0@\x00', encoded)
encoded = mux._encode_channel_id(2**21 - 1)
self.assertEqual('\xdf\xff\xff', encoded)
encoded = mux._encode_channel_id(2**21)
self.assertEqual('\xe0 \x00\x00', encoded)
encoded = mux._encode_channel_id(2**29 - 1)
self.assertEqual('\xff\xff\xff\xff', encoded)
# channel_id is too large
self.assertRaises(ValueError, mux._encode_channel_id, 2**29)
def test_channel_id_encode(self):
encoded = mux._encode_channel_id(0)
self.assertEqual('\x00', encoded)
encoded = mux._encode_channel_id(2 ** 14 - 1)
self.assertEqual('\xbf\xff', encoded)
encoded = mux._encode_channel_id(2 ** 14)
self.assertEqual('\xc0@\x00', encoded)
encoded = mux._encode_channel_id(2 ** 21 - 1)
self.assertEqual('\xdf\xff\xff', encoded)
encoded = mux._encode_channel_id(2 ** 21)
self.assertEqual('\xe0 \x00\x00', encoded)
encoded = mux._encode_channel_id(2 ** 29 - 1)
self.assertEqual('\xff\xff\xff\xff', encoded)
# channel_id is too large
self.assertRaises(ValueError,
mux._encode_channel_id,
2 ** 29)
def _create_logical_frame(channel_id, message, opcode=common.OPCODE_BINARY,
mask=True):
bits = chr(0x80 | opcode)
payload = mux._encode_channel_id(channel_id) + bits + message
return create_binary_frame(payload, mask=mask)
