def read_frame(f, decompressor=None):
header = f.read(8)
version, flags, stream, opcode = \
[int.from_bytes(b.to_bytes(1, 'big'), 'big', signed=True)
for b in header[:4]]
body_len = int32_unpack(header[4:])
assert version & PROTOCOL_VERSION_MASK == PROTOCOL_VERSION, \
"Unsupported CQL protocol version %d" % version
assert version & HEADER_DIRECTION_MASK == HEADER_DIRECTION_TO_CLIENT, \
"Unexpected request from server with opcode %04x, stream id %r" \
% (opcode, stream)
assert body_len >= 0, "Invalid CQL protocol body_len %r" % body_len
body = f.read(body_len)
while body_len != len(body):
#TODO: WHYYYYYYYY
body += f.read(body_len - len(body))
if flags & 0x1:
if decompressor is None:
raise ProtocolException("No decompressor available for "
"compressed frame!")
body = decompressor(body)
flags ^= 0x1
if flags:
warn("Unknown protocol flags set: %02x. May cause problems." % flags)
msgclass = _message_types_by_opcode[opcode]
msg = msgclass.recv_body(BytesIO(body))
msg.stream_id = stream
return msg
def read_frame(f):
header = f.read(8)
version, flags, stream, opcode = map(ord, header[:4])
body_len = int32_unpack(header[4:])
assert version & PROTOCOL_VERSION_MASK == PROTOCOL_VERSION, \
"Unsupported CQL protocol version %d" % version
assert version & HEADER_DIRECTION_MASK == HEADER_DIRECTION_TO_CLIENT, \
"Unexpected request from server with opcode %04x, stream id %r" % (opcode, stream)
assert body_len >= 0, "Invalid CQL protocol body_len %r" % body_len
if flags:
warn("Unknown protocol flags set: %02x. May cause problems." % flags)
body = f.read(body_len)
msgclass = _message_types_by_opcode[opcode]
msg = msgclass.recv_body(StringIO(body))
msg.stream_id = stream
return msg
def read_frame(f):
header = f.read(8)
version, flags, stream, opcode = map(ord, header[:4])
body_len = int32_unpack(header[4:])
assert version & PROTOCOL_VERSION_MASK == PROTOCOL_VERSION, \
"Unsupported CQL protocol version %d" % version
assert version & HEADER_DIRECTION_MASK == HEADER_DIRECTION_TO_CLIENT, \
"Unexpected request from server with opcode %04x, stream id %r" % (opcode, stream)
assert body_len >= 0, "Invalid CQL protocol body_len %r" % body_len
if flags:
warn("Unknown protocol flags set: %02x. May cause problems." % flags)
body = f.read(body_len)
msgclass = _message_types_by_opcode[opcode]
msg = msgclass.recv_body(StringIO(body))
msg.stream_id = stream
return msg
def read_frame(f, decompressor=None):
header = f.read(8)
version, flags, stream, opcode = map(int8_unpack, header[:4])
body_len = int32_unpack(header[4:])
assert version & PROTOCOL_VERSION_MASK == PROTOCOL_VERSION, \
"Unsupported CQL protocol version %d" % version
assert version & HEADER_DIRECTION_MASK == HEADER_DIRECTION_TO_CLIENT, \
"Unexpected request from server with opcode %04x, stream id %r" % (opcode, stream)
assert body_len >= 0, "Invalid CQL protocol body_len %r" % body_len
body = f.read(body_len)
if flags & 0x1:
if decompressor is None:
raise ProtocolException("No decompressor available for compressed frame!")
body = decompressor(body)
flags ^= 0x1
if flags:
warn("Unknown protocol flags set: %02x. May cause problems." % flags)
msgclass = _message_types_by_opcode[opcode]
msg = msgclass.recv_body(StringIO(body))
msg.stream_id = stream
return msg
def read_frame(f, decompressor=None):
header = f.read(8)
version, flags, stream, opcode = map(int8_unpack, header[:4])
body_len = int32_unpack(header[4:])
assert version & PROTOCOL_VERSION_MASK == PROTOCOL_VERSION, \
"Unsupported CQL protocol version %d" % version
assert version & HEADER_DIRECTION_MASK == HEADER_DIRECTION_TO_CLIENT, \
"Unexpected request from server with opcode %04x, stream id %r" % (opcode, stream)
assert body_len >= 0, "Invalid CQL protocol body_len %r" % body_len
body = f.read(body_len)
if flags & 0x1:
if decompressor is None:
raise ProtocolException("No decompressor available for compressed frame!")
body = decompressor(body)
flags ^= 0x1
if flags:
warn("Unknown protocol flags set: %02x. May cause problems." % flags)
msgclass = _message_types_by_opcode[opcode]
msg = msgclass.recv_body(StringIO(body))
msg.stream_id = stream
return msg
def read_int(f):
return int32_unpack(f.read(4))
def read_int(f):
return int32_unpack(f.read(4))
def deserialize(byts):
scale = int32_unpack(byts[:4])
unscaled = varint_unpack(byts[4:])
return Decimal('%de%d' % (unscaled, -scale))
def deserialize(byts):
scale = int32_unpack(byts[:4])
unscaled = varint_unpack(byts[4:])
return Decimal('%de%d' % (unscaled, -scale))
