def _send_op(self, op, key, val, lifespan, max_idle, ret_prev, version, count):
flag = 0x01 if ret_prev else 0
# Start of request header: magic, message_id, version, op_code
start = struct.pack(">B", MAGIC[0]) + to_varint(self.counter) \
+ struct.pack(">2B", VERSION, op)
# Increase counter for next message
self._increase_counter()
# End of request header: flag, client_int, topo_id, tx_type_id
end = struct.pack(">4B", flag, 0x01, 0, 0)
if self.cache_name == '':
# 0 (no cache name)
encoded_cache_name = struct.pack(">B", 0)
else:
# cache_name_len, cache_name,
encoded_cache_name = to_varint(len(self.cache_name)) + self.cache_name
msg = start + encoded_cache_name + end
SEND[op](self.s, msg, key, val, lifespan, max_idle, version, count)
# magic, msg_id, op_code, status, topology_mark
HEADER_RES_FMT = ">BBBBB"
HEADER_RES_LEN = struct.calcsize(HEADER_RES_FMT)
VERSION_FMT = ">Q"
VERSION_LEN = struct.calcsize(VERSION_FMT)
MAX_VLONG = 0x7FFFFFFFFFFFFFFF
MAX_VINT = 0xFFFFFFFF
KEY_LESS_SEND = lambda s, m, k, v, l, i, ver, c: \
s.send(m)
KEY_ONLY_SEND = lambda s, m, k, v, l, i, ver, c: \
s.send(m + to_varint(len(k)) + k)
KEY_VALUE_SEND = lambda s, m, k, v, l, i, ver, c: \
s.send(
m + to_varint(len(k)) + k +
to_varint(l) + to_varint(i) +
to_varint(len(v)) + v
)
REPLACE_IF_SEND = lambda s, m, k, v, l, i, ver, c: \
s.send(
m + to_varint(len(k)) + k +
to_varint(l) + to_varint(i) +
struct.pack(VERSION_FMT, ver) +
to_varint(len(v)) + v
)
REMOVE_IF_SEND = lambda s, m, k, v, l, i, ver, c: \
