def process_msg(self, msg, body_len):
version, flags, stream_id, opcode = map(int8_unpack, msg[:4])
if stream_id < 0:
callback = None
else:
callback = self._callbacks.pop(stream_id, None)
self._id_queue.put_nowait(stream_id)
body = None
try:
# check that the protocol version is supported
given_version = version & PROTOCOL_VERSION_MASK
if given_version != self.protocol_version:
msg = "Server protocol version (%d) does not match the specified driver protocol version (%d). " +\
"Consider setting Cluster.protocol_version to %d."
raise ProtocolError(
msg %
(given_version, self.protocol_version, given_version))
# check that the header direction is correct
if version & HEADER_DIRECTION_MASK != HEADER_DIRECTION_TO_CLIENT:
raise ProtocolError(
"Header direction in response is incorrect; opcode %04x, stream id %r"
% (opcode, stream_id))
if body_len > 0:
body = msg[8:]
elif body_len == 0:
body = ""
else:
raise ProtocolError("Got negative body length: %r" % body_len)
response = decode_response(stream_id, flags, opcode, body,
self.decompressor)
except Exception as exc:
log.exception(
"Error decoding response from Cassandra. "
"opcode: %04x; message contents: %r", opcode, body)
if callback is not None:
callback(exc)
self.defunct(exc)
return
try:
if stream_id < 0:
self.handle_pushed(response)
elif callback is not None:
callback(response)
except Exception:
log.exception("Callback handler errored, ignoring:")
def process_msg(self, msg, body_len):
version, flags, stream_id, opcode = map(int8_unpack, msg[:4])
if stream_id < 0:
callback = None
else:
callback = self._callbacks.pop(stream_id, None)
self._id_queue.put_nowait(stream_id)
body = None
try:
# check that the protocol version is supported
given_version = version & PROTOCOL_VERSION_MASK
if given_version != self.protocol_version:
msg = "Server protocol version (%d) does not match the specified driver protocol version (%d). " +\
"Consider setting Cluster.protocol_version to %d."
raise ProtocolError(msg % (given_version, self.protocol_version, given_version))
# check that the header direction is correct
if version & HEADER_DIRECTION_MASK != HEADER_DIRECTION_TO_CLIENT:
raise ProtocolError(
"Header direction in response is incorrect; opcode %04x, stream id %r"
% (opcode, stream_id))
if body_len > 0:
body = msg[8:]
elif body_len == 0:
body = ""
else:
raise ProtocolError("Got negative body length: %r" % body_len)
response = decode_response(stream_id, flags, opcode, body, self.decompressor)
except Exception as exc:
log.exception("Error decoding response from Cassandra. "
"opcode: %04x; message contents: %r", opcode, body)
if callback is not None:
callback(exc)
self.defunct(exc)
return
try:
if stream_id < 0:
self.handle_pushed(response)
elif callback is not None:
callback(response)
except Exception:
log.exception("Callback handler errored, ignoring:")
def process_msg(self, msg, body_len):
version, flags, stream_id, opcode = map(int8_unpack, msg[:4])
if stream_id < 0:
callback = None
else:
callback = self._callbacks.pop(stream_id)
self._id_queue.put_nowait(stream_id)
body = None
try:
# check that the protocol version is supported
given_version = version & PROTOCOL_VERSION_MASK
if given_version != PROTOCOL_VERSION:
raise ProtocolError("Unsupported CQL protocol version: %d" %
given_version)
# check that the header direction is correct
if version & HEADER_DIRECTION_MASK != HEADER_DIRECTION_TO_CLIENT:
raise ProtocolError(
"Header direction in response is incorrect; opcode %04x, stream id %r"
% (opcode, stream_id))
if body_len > 0:
body = msg[8:]
elif body_len == 0:
body = ""
else:
raise ProtocolError("Got negative body length: %r" % body_len)
response = decode_response(stream_id, flags, opcode, body,
self.decompressor)
except Exception, exc:
log.exception("Error decoding response from Cassandra. "
"opcode: %04x; message contents: %r" %
(opcode, body))
if callback:
callback(exc)
self.defunct(exc)
return
def process_msg(self, msg, body_len):
version, flags, stream_id, opcode = map(int8_unpack, msg[:4])
if stream_id < 0:
callback = None
else:
callback = self._callbacks.pop(stream_id)
self._id_queue.put_nowait(stream_id)
body = None
try:
# check that the protocol version is supported
given_version = version & PROTOCOL_VERSION_MASK
if given_version != PROTOCOL_VERSION:
raise ProtocolError("Unsupported CQL protocol version: %d" % given_version)
# check that the header direction is correct
if version & HEADER_DIRECTION_MASK != HEADER_DIRECTION_TO_CLIENT:
raise ProtocolError(
"Header direction in response is incorrect; opcode %04x, stream id %r"
% (opcode, stream_id))
if body_len > 0:
body = msg[8:]
elif body_len == 0:
body = ""
else:
raise ProtocolError("Got negative body length: %r" % body_len)
response = decode_response(stream_id, flags, opcode, body, self.decompressor)
except Exception, exc:
log.exception("Error decoding response from Cassandra. "
"opcode: %04x; message contents: %r" % (opcode, body))
if callback:
callback(exc)
self.defunct(exc)
return