def __init__(self, host, port, is_async_connect, is_encrypt=None):
self.__host = host
self.__port = port
self._callback_executor = CallbackExecutor()
self._net_mgr = NetManager.default()
self._handler_ctx = HandlerContext(self._is_proc_run)
self._lock = RLock()
self._status = ContextStatus.START
self._connect_err = None # rsa加密失败时为Err.RsaErr, 否则为str
self._proc_run = True
self._sync_req_ret = None
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_interval = 10
self._last_keep_alive_time = datetime.now()
self._reconnect_timer = None
self._reconnect_interval = 8 # 重试连接的间隔
self._sync_query_connect_timeout = None
self._keep_alive_fail_count = 0
self._is_encrypt = is_encrypt
if self.is_encrypt():
assert SysConfig.INIT_RSA_FILE != '', Err.NotSetRSAFile.text
self._net_mgr.start()
if not is_async_connect:
self._socket_reconnect_and_wait_ready()
while True:
with self._lock:
if self._status == ContextStatus.READY or self._status == ContextStatus.CLOSED:
break
sleep(0.02)
else:
self._wait_reconnect(0)
def __init__(self, host, port, async_enable):
self.__host = host
self.__port = port
self.__async_socket_enable = async_enable
self._net_mgr = NetManager.default()
self._handler_ctx = HandlerContext(self._is_proc_run)
self._lock = RLock()
self._status = ContextStatus.Start
self._proc_run = True
self._sync_req_ret = None
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_interval = 10
self._last_keep_alive_time = datetime.now()
self._reconnect_timer = None
self._keep_alive_fail_count = 0
self._net_mgr.start()
self._socket_reconnect_and_wait_ready()
while True:
with self._lock:
if self._status == ContextStatus.Ready:
break
sleep(0.02)
class OpenContextBase(object):
"""Base class for set context"""
metaclass__ = ABCMeta
def __init__(self, host, port, async_enable):
self.__host = host
self.__port = port
self._callback_executor = CallbackExecutor()
self.__async_socket_enable = async_enable
self._net_mgr = NetManager.default()
self._handler_ctx = HandlerContext(self._is_proc_run)
self._lock = RLock()
self._status = ContextStatus.Start
self._proc_run = True
self._sync_req_ret = None
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_interval = 10
self._last_keep_alive_time = datetime.now()
self._reconnect_timer = None
self._keep_alive_fail_count = 0
self._net_mgr.start()
self._socket_reconnect_and_wait_ready()
while True:
with self._lock:
if self._status == ContextStatus.Ready:
break
sleep(0.02)
def get_login_user_id(self):
"""
get login user id
:return: user id(int64)
"""
with self._lock:
return FutuConnMng.get_conn_user_id(self._sync_conn_id)
def __del__(self):
self._close()
@abstractmethod
def close(self):
"""
to call close old obj before loop create new, otherwise socket will encounter error 10053 or more!
"""
self._close()
@abstractmethod
def on_api_socket_reconnected(self):
"""
callback after reconnect ok
"""
# logger.debug("on_api_socket_reconnected obj ID={}".format(id(self)))
return RET_OK, ''
def _close(self):
with self._lock:
if self._status == ContextStatus.Closed:
return
self._status = ContextStatus.Closed
net_mgr = self._net_mgr
conn_id = self._conn_id
self._conn_id = 0
self._net_mgr = None
self.stop()
self._callback_executor.close()
self._handler_ctx = None
if self._reconnect_timer is not None:
self._reconnect_timer.cancel()
self._reconnect_timer = None
if conn_id > 0:
net_mgr.close(conn_id)
net_mgr.stop()
def start(self):
"""
启动异步接收推送数据
"""
with self._lock:
self._proc_run = True
def stop(self):
"""
停止异步接收推送数据
"""
with self._lock:
self._proc_run = False
def set_handler(self, handler):
"""
设置异步回调处理对象
:param handler: 回调处理对象，必须是以下类的子类实例
=============================== =========================
类名 说明
=============================== =========================
StockQuoteHandlerBase 报价处理基类
OrderBookHandlerBase 摆盘处理基类
CurKlineHandlerBase 实时k线处理基类
TickerHandlerBase 逐笔处理基类
RTDataHandlerBase 分时数据处理基类
BrokerHandlerBase 经济队列处理基类
=============================== =========================
:return: RET_OK: 设置成功
RET_ERROR: 设置失败
"""
with self._lock:
if self._handler_ctx is not None:
return self._handler_ctx.set_handler(handler)
return RET_ERROR
def set_pre_handler(self, handler):
'''set pre handler'''
with self._lock:
if self._handler_ctx is not None:
return self._handler_ctx.set_pre_handler(handler)
return RET_ERROR
def _is_proc_run(self):
with self._lock:
return self._proc_run
def _get_sync_query_processor(self,
pack_func,
unpack_func,
is_create_socket=True):
"""
synchronize the query processor
:param pack_func: back
:param unpack_func: unpack
:return: sync_query_processor
"""
def sync_query_processor(**kargs):
"""sync query processor"""
while True:
with self._lock:
if self._status == ContextStatus.Ready:
net_mgr = self._net_mgr
conn_id = self._conn_id
break
sleep(0.01)
try:
ret_code, msg, req_str = pack_func(**kargs)
if ret_code != RET_OK:
return ret_code, msg, None
ret_code, msg, rsp_str = net_mgr.sync_query(conn_id, req_str)
if ret_code != RET_OK:
return ret_code, msg, None
ret_code, msg, content = unpack_func(rsp_str)
if ret_code != RET_OK:
return ret_code, msg, None
except Exception as e:
logger.error(traceback.format_exc())
return RET_ERROR, str(e), None
return RET_OK, msg, content
return sync_query_processor
def _send_async_req(self, req_str):
conn_id = 0
net_mgr = None
with self._lock:
if self._status != ContextStatus.Ready:
return RET_ERROR, 'Context closed or not ready'
conn_id = self._conn_id
net_mgr = self._net_mgr
return net_mgr.send(conn_id, req_str)
def _socket_reconnect_and_wait_ready(self):
"""
sync_socket & async_socket recreate
:return: (ret, msg)
"""
logger.info("Start connecting: host={}; port={};".format(
self.__host, self.__port))
with self._lock:
self._status = ContextStatus.Connecting
# logger.info("try connecting: host={}; port={};".format(self.__host, self.__port))
ret, msg, conn_id = self._net_mgr.connect(
(self.__host, self.__port), self, 5)
if ret == RET_OK:
self._conn_id = conn_id
else:
logger.warning(msg)
if ret == RET_OK:
while True:
with self._lock:
if self._sync_req_ret is not None:
if self._sync_req_ret.ret == RET_OK:
self._status = ContextStatus.Ready
else:
ret, msg = self._sync_req_ret.ret, self._sync_req_ret.msg
self._sync_req_ret = None
break
sleep(0.01)
if ret == RET_OK:
ret, msg = self.on_api_socket_reconnected()
else:
self._wait_reconnect()
return RET_OK, ''
def get_sync_conn_id(self):
with self._lock:
return self._sync_conn_id
def get_async_conn_id(self):
return self.get_sync_conn_id()
def get_global_state(self):
"""
获取全局状态
:return: (ret, data)
ret == RET_OK data为包含全局状态的字典，含义如下
ret != RET_OK data为错误描述字符串
===================== =========== ==============================================================
key value类型 说明
===================== =========== ==============================================================
market_sz str 深圳市场状态，参见MarketState
market_us str 美国市场状态，参见MarketState
market_sh str 上海市场状态，参见MarketState
market_hk str 香港市场状态，参见MarketState
market_future str 香港期货市场状态，参见MarketState
server_ver str FutuOpenD版本号
trd_logined str '1'：已登录交易服务器，'0': 未登录交易服务器
qot_logined str '1'：已登录行情服务器，'0': 未登录行情服务器
timestamp str Futu后台服务器当前时间戳(秒)
local_timestamp double FutuOpenD运行机器当前时间戳(
===================== =========== ==============================================================
:example:
.. code:: python
from futu import *
quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)
print(quote_ctx.get_global_state())
quote_ctx.close()
"""
query_processor = self._get_sync_query_processor(
GlobalStateQuery.pack_req, GlobalStateQuery.unpack_rsp)
kargs = {
'user_id': self.get_login_user_id(),
'conn_id': self.get_sync_conn_id(),
}
ret_code, msg, state_dict = query_processor(**kargs)
if ret_code != RET_OK:
return ret_code, msg
return RET_OK, state_dict
def on_connected(self, conn_id):
logger.info('Connected : conn_id={0}; '.format(conn_id))
kargs = {
'client_ver': int(SysConfig.get_client_ver()),
'client_id': str(SysConfig.get_client_id()),
'recv_notify': True,
}
ret, msg, req_str = InitConnect.pack_req(**kargs)
if ret == RET_OK:
ret, msg = self._net_mgr.send(conn_id, req_str)
else:
logger.warning(
FTLog.make_log_msg('InitConnect.pack_req fail', msg=msg))
if ret != RET_OK:
with self._lock:
self._sync_req_ret = _SyncReqRet(ret, msg)
def on_error(self, conn_id, err):
logger.warning('Connect error: conn_id={0}; err={1};'.format(
conn_id, err))
with self._lock:
if self._status != ContextStatus.Connecting:
self._wait_reconnect()
else:
self._sync_req_ret = _SyncReqRet(RET_ERROR, str(err))
def on_closed(self, conn_id):
logger.warning('Connect closed: conn_id={0}'.format(conn_id))
with self._lock:
if self._status != ContextStatus.Connecting:
self._wait_reconnect()
else:
self._sync_req_ret = _SyncReqRet(RET_ERROR,
'Connection closed')
def on_connect_timeout(self, conn_id):
logger.warning('Connect timeout: conn_id={0}'.format(conn_id))
with self._lock:
self._sync_req_ret = _SyncReqRet(RET_ERROR, Err.Timeout.text)
def on_packet(self, conn_id, proto_info, ret_code, msg, rsp_pb):
if proto_info.proto_id == ProtoId.InitConnect:
self._handle_init_connect(conn_id, proto_info.proto_id, ret_code,
msg, rsp_pb)
elif proto_info.proto_id == ProtoId.KeepAlive:
self._handle_keep_alive(conn_id, proto_info.proto_id, ret_code,
msg, rsp_pb)
elif ret_code == RET_OK:
item = CallbackItem(self, proto_info.proto_id, rsp_pb)
self._callback_executor.queue.put(item)
def on_activate(self, conn_id, now):
with self._lock:
if self._status != ContextStatus.Ready:
return
time_elapsed = now - self._last_keep_alive_time
if time_elapsed.total_seconds() < self._keep_alive_interval:
return
logger.debug("Keepalive: conn_id={};".format(conn_id))
ret, msg, req = KeepAlive.pack_req(self.get_sync_conn_id())
if ret != RET_OK:
logger.warning("KeepAlive.pack_req fail: {0}".format(msg))
return
ret, msg = self._net_mgr.send(conn_id, req)
if ret != RET_OK:
return
self._last_keep_alive_time = now
def packet_callback(self, proto_id, rsp_pb):
with self._lock:
if self._status != ContextStatus.Ready:
return
handler_ctx = self._handler_ctx
if handler_ctx:
handler_ctx.recv_func(rsp_pb, proto_id)
def _handle_init_connect(self, conn_id, proto_info, ret, msg, rsp_pb):
data = None
if ret == RET_OK:
ret, msg, data = InitConnect.unpack_rsp(rsp_pb)
with self._lock:
self._sync_req_ret = _SyncReqRet(ret, msg)
if ret == RET_OK:
conn_info = copy(data)
self._sync_conn_id = conn_info['conn_id']
self._keep_alive_interval = conn_info[
'keep_alive_interval'] * 4 / 5
self._net_mgr.set_conn_info(conn_id, conn_info)
self._last_keep_alive_time = datetime.now()
FutuConnMng.add_conn(conn_info)
logger.info(
FTLog.make_log_msg("InitConnect ok",
conn_id=conn_id,
info=conn_info))
else:
logger.warning(FTLog.make_log_msg("InitConnect error",
msg=msg))
self._wait_reconnect()
def _handle_keep_alive(self, conn_id, proto_info, ret_code, msg, rsp_pb):
should_reconnect = False
with self._lock:
if ret_code == RET_OK:
self._keep_alive_fail_count = 0
else:
self._keep_alive_fail_count += 1
if self._keep_alive_fail_count >= 3:
logger.warning('Fail to recv KeepAlive for 3 times')
should_reconnect = True
if should_reconnect:
self._wait_reconnect()
def _wait_reconnect(self):
wait_reconnect_interval = 8
net_mgr = None
conn_id = 0
with self._lock:
if self._status == ContextStatus.Closed or self._reconnect_timer is not None:
return
logger.info(
'Wait reconnect in {} seconds: host={}; port={};'.format(
wait_reconnect_interval, self.__host, self.__port))
net_mgr = self._net_mgr
conn_id = self._conn_id
self._status = ContextStatus.Connecting
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_fail_count = 0
self._reconnect_timer = Timer(wait_reconnect_interval,
self._reconnect)
self._reconnect_timer.start()
net_mgr.close(conn_id)
def _reconnect(self):
with self._lock:
self._reconnect_timer.cancel()
self._reconnect_timer = None
if self._status != ContextStatus.Connecting:
return
self._socket_reconnect_and_wait_ready()
class OpenContextBase(object):
"""Base class for set context"""
metaclass__ = ABCMeta
def __init__(self, host, port, is_encrypt=None, is_async_connect=False):
self.__host = host
self.__port = port
self._callback_executor = CallbackExecutor()
self._net_mgr = NetManager.default()
self._handler_ctx = HandlerContext(self._is_proc_run)
self._lock = RLock()
self._status = ContextStatus.START
self._connect_err = None # rsa加密失败时为Err.RsaErr, 否则为str
self._proc_run = True
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_interval = 10
self._last_keep_alive_time = datetime.now()
self._reconnect_timer = None
self._reconnect_interval = 8 # 重试连接的间隔
self._sync_query_connect_timeout = None
self._keep_alive_fail_count = 0
self._last_recv_time = datetime.now()
self._is_encrypt = is_encrypt
if self.is_encrypt():
assert SysConfig.INIT_RSA_FILE != '', Err.NotSetRSAFile.text
self._net_mgr.start()
if is_async_connect:
self._wait_reconnect(0)
else:
while True:
ret = self._init_connect_sync()
if ret == RET_OK:
return
else:
if self.status == ContextStatus.CLOSED:
return
sleep(self._reconnect_interval)
def get_login_user_id(self):
"""
get login user id
:return: user id(int64)
"""
with self._lock:
return FutuConnMng.get_conn_user_id(self._sync_conn_id)
def __del__(self):
self.close()
def __enter__(self):
return self
def __exit__(self, t, v, tb):
self.close()
@property
def status(self):
with self._lock:
return self._status
@property
def connect_err_msg(self):
with self._lock:
if self._connect_err is Err.RsaErr:
return Err.RsaErr.text
return self._connect_err
@property
def connect_err(self):
return self._connect_err
def set_sync_query_connect_timeout(self, timeout):
with self._lock:
self._sync_query_connect_timeout = timeout
@property
def reconnect_interval(self):
with self._lock:
return self._reconnect_interval
@reconnect_interval.setter
def reconnect_interval(self, value):
with self._lock:
self._reconnect_interval = value
@abstractmethod
def close(self):
"""
to call close old obj before loop create new, otherwise socket will encounter error 10053 or more!
"""
self._close(False)
@abstractmethod
def on_api_socket_reconnected(self):
"""
callback after reconnect ok
"""
# logger.debug("on_api_socket_reconnected obj ID={}".format(id(self)))
return RET_OK, ''
def _close(self, is_passive):
with self._lock:
if self._status == ContextStatus.CLOSED:
return
self._status = ContextStatus.CLOSED
net_mgr = self._net_mgr
conn_id = self._conn_id
self._conn_id = 0
self._net_mgr = None
self.stop()
self._callback_executor.close()
self._handler_ctx = None
if self._reconnect_timer is not None:
self._reconnect_timer.cancel()
self._reconnect_timer = None
if conn_id > 0 and not is_passive:
net_mgr.close(conn_id)
net_mgr.stop()
def start(self):
"""
启动异步接收推送数据
"""
with self._lock:
self._proc_run = True
def stop(self):
"""
停止异步接收推送数据
"""
with self._lock:
self._proc_run = False
def set_handler(self, handler):
"""
设置异步回调处理对象
:param handler: 回调处理对象，必须是以下类的子类实例
=============================== =========================
类名 说明
=============================== =========================
StockQuoteHandlerBase 报价处理基类
OrderBookHandlerBase 摆盘处理基类
CurKlineHandlerBase 实时k线处理基类
TickerHandlerBase 逐笔处理基类
RTDataHandlerBase 分时数据处理基类
BrokerHandlerBase 经济队列处理基类
PriceReminderHandlerBase 到价提醒处理基类
=============================== =========================
:return: RET_OK: 设置成功
RET_ERROR: 设置失败
"""
with self._lock:
if self._handler_ctx is not None:
return self._handler_ctx.set_handler(handler)
return RET_ERROR
def _is_proc_run(self):
with self._lock:
return self._proc_run
def _get_sync_query_processor(self,
pack_func,
unpack_func,
is_create_socket=True):
"""
synchronize the query processor
:param pack_func: back
:param unpack_func: unpack
:return: sync_query_processor
"""
def sync_query_processor(**kargs):
"""sync query processor"""
start_time = datetime.now()
while True:
with self._lock:
if self._status == ContextStatus.READY:
net_mgr = self._net_mgr
conn_id = self._conn_id
break
elif self._status == ContextStatus.CLOSED:
return RET_ERROR, Err.ConnectionClosed.text, None
if self._sync_query_connect_timeout is not None:
elapsed_time = datetime.now() - start_time
if elapsed_time.total_seconds(
) >= self._sync_query_connect_timeout:
return RET_ERROR, 'Connect timeout', None
sleep(0.02)
try:
ret_code, msg, req_str = pack_func(**kargs)
if ret_code != RET_OK:
return ret_code, msg, None
ret_code, send_result = net_mgr.send(conn_id, req_str, True)
if ret_code != RET_OK:
msg = send_result.msg if send_result.msg != '' else str(
send_result.err)
return ret_code, msg, None
send_result.wait()
if send_result.err is not PacketErr.Ok:
msg = send_result.msg if send_result.msg != '' else str(
send_result.err)
return RET_ERROR, msg, None
with self._lock:
self._last_recv_time = datetime.now()
ret_code, msg, content = unpack_func(send_result.rsp)
if ret_code != RET_OK:
return ret_code, msg, None
except Exception as e:
logger.error(traceback.format_exc())
return RET_ERROR, str(e), None
return RET_OK, msg, content
return sync_query_processor
def _send_async_req(self, req_str):
conn_id = 0
net_mgr = None
with self._lock:
if self._status != ContextStatus.READY:
return RET_ERROR, 'Context closed or not ready'
conn_id = self._conn_id
net_mgr = self._net_mgr
return net_mgr.send(conn_id, req_str)
def _init_connect_sync(self):
with self._lock:
if self._status == ContextStatus.START:
self._status = ContextStatus.CONNECTING
elif self._status == ContextStatus.READY:
return RET_OK
elif self._status != ContextStatus.CONNECTING:
return RET_ERROR
ret = self._connect_sync()
if ret != RET_OK:
return ret
ret = self._send_init_connect_sync()
if ret != RET_OK:
return ret
self.on_api_socket_reconnected()
return RET_OK
def _connect_sync(self):
with self._lock:
# logger.info("Start connecting: host={}; port={};".format(self.__host, self.__port))
self._status = ContextStatus.CONNECTING
ret, result = self._net_mgr.connect((self.__host, self.__port),
self,
5,
self.is_encrypt(),
is_sync=True)
if ret == RET_OK:
self._conn_id = result.conn_id
result.wait()
if result.err is ConnectErr.Ok:
# logger.info('Connected : conn_id={0}; '.format(self._conn_id))
return RET_OK
else:
msg = result.msg if result.msg != '' else str(result.err)
logger.warning('Connect fail: conn_id={}; msg={}'.format(
result.conn_id, msg))
return RET_ERROR
def _send_init_connect_sync(self):
kargs = {
'client_ver': int(SysConfig.get_client_ver()),
'client_id': str(SysConfig.get_client_id()),
'recv_notify': True,
'is_encrypt': self.is_encrypt(),
'push_proto_fmt': SysConfig.get_proto_fmt()
}
ret, msg, req_str = InitConnect.pack_req(**kargs)
if ret == RET_OK:
_, send_result = self._net_mgr.send(self._conn_id, req_str, True)
else:
logger.error('Fail to pack InitConnect')
return ret
send_result.wait()
if send_result.err is PacketErr.Ok:
ret, msg, conn_info = self._handle_init_connect_rsp(
send_result.rsp)
if ret == RET_OK:
# logger.info('InitConnect ok: {}'.format(conn_info))
logger.info(
'InitConnect ok: conn_id={}, host={}, port={}, user_id={}'.
format(self._conn_id, self.__host, self.__port,
conn_info['login_user_id']))
return RET_OK
if msg == '':
msg = send_result.msg if send_result.msg != '' else str(
send_result.err)
logger.warning('InitConnect fail: {}'.format(msg))
return RET_ERROR
def get_sync_conn_id(self):
with self._lock:
return self._sync_conn_id
def get_async_conn_id(self):
return self.get_sync_conn_id()
def get_global_state(self):
"""
获取全局状态
:return: (ret, data)
ret == RET_OK data为包含全局状态的字典，含义如下
ret != RET_OK data为错误描述字符串
===================== =========== ==============================================================
key value类型 说明
===================== =========== ==============================================================
market_sz str 深圳市场状态，参见MarketState
market_us str 美国市场状态，参见MarketState
market_sh str 上海市场状态，参见MarketState
market_hk str 香港市场状态，参见MarketState
market_hkfuture str 香港期货市场状态，参见MarketState
market_usfuture str 美国期货市场状态，参见MarketState
market_sgfuture str 新加坡期货市场状态，参见MarketState
market_jpfuture str 日本期货市场状态，参见MarketState
server_ver str FutuOpenD版本号
trd_logined str '1'：已登录交易服务器，'0': 未登录交易服务器
qot_logined str '1'：已登录行情服务器，'0': 未登录行情服务器
timestamp str Futu后台服务器当前时间戳(秒)
local_timestamp double FutuOpenD运行机器当前时间戳(
===================== =========== ==============================================================
:example:
.. code:: python
from futu import *
quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)
print(quote_ctx.get_global_state())
quote_ctx.close()
"""
query_processor = self._get_sync_query_processor(
GlobalStateQuery.pack_req, GlobalStateQuery.unpack_rsp)
kargs = {
'user_id': self.get_login_user_id(),
'conn_id': self.get_sync_conn_id(),
}
ret_code, msg, state_dict = query_processor(**kargs)
if ret_code != RET_OK:
return ret_code, msg
return RET_OK, state_dict
def is_encrypt(self):
with self._lock:
if self._is_encrypt is None:
return SysConfig.is_proto_encrypt()
return self._is_encrypt
def on_disconnect(self, conn_id, reason, msg):
if reason is CloseReason.Close:
logger.info('Disconnected: conn_id={0}'.format(conn_id))
return
else:
logger.warning(
'Disconnected: conn_id={0} reason={1} msg={2}'.format(
conn_id, str(reason), msg))
with self._lock:
if self._status == ContextStatus.CLOSED:
return
self._wait_reconnect()
def on_packet(self, conn_id, proto_info, err, msg, rsp_pb):
with self._lock:
if self._status == ContextStatus.CLOSED or self._status == ContextStatus.START:
return
elif self._status == ContextStatus.CONNECTING and proto_info.proto_id != ProtoId.InitConnect:
return
if proto_info.proto_id == ProtoId.InitConnect:
self._handle_init_connect(conn_id, proto_info.proto_id, err, msg,
rsp_pb)
elif proto_info.proto_id == ProtoId.KeepAlive:
self._handle_keep_alive(conn_id, proto_info.proto_id, err, msg,
rsp_pb)
elif err is PacketErr.Ok:
item = CallbackItem(self, proto_info.proto_id, rsp_pb)
self._callback_executor.queue.put(item)
with self._lock:
self._last_recv_time = datetime.now()
def on_tick(self, conn_id, now):
with self._lock:
if self._status != ContextStatus.READY:
return
time_elapsed = now - self._last_keep_alive_time
if time_elapsed.total_seconds() < self._keep_alive_interval:
return
ret, msg, req = KeepAlive.pack_req(self.get_sync_conn_id())
if ret != RET_OK:
logger.warning("KeepAlive.pack_req fail: {0}".format(msg))
return
ret, result = self._net_mgr.send(conn_id, req, is_sync=False)
if ret != RET_OK:
return
self._last_keep_alive_time = now
def packet_callback(self, proto_id, rsp_pb):
with self._lock:
if self._status != ContextStatus.READY:
return
handler_ctx = self._handler_ctx
if handler_ctx:
handler_ctx.recv_func(rsp_pb, proto_id)
def _handle_init_connect(self, conn_id, proto_info, ret, msg, rsp_pb):
pass
def _handle_init_connect_rsp(self, rsp):
ret, msg, data = InitConnect.unpack_rsp(rsp)
if ret != RET_OK:
return ret, msg, None
with self._lock:
conn_info = copy(data)
conn_info['is_encrypt'] = self.is_encrypt()
self._sync_conn_id = conn_info['conn_id']
self._keep_alive_interval = conn_info['keep_alive_interval'] * 4 / 5
self._net_mgr.set_conn_info(self._conn_id, conn_info)
now = datetime.now()
self._last_keep_alive_time = now
self._last_recv_time = now
self._status = ContextStatus.READY
FutuConnMng.add_conn(conn_info)
return ret, '', conn_info
def _handle_keep_alive(self, conn_id, proto_info, err, msg, rsp_pb):
should_reconnect = False
with self._lock:
if err is PacketErr.Ok:
self._keep_alive_fail_count = 0
else:
self._keep_alive_fail_count += 1
now = datetime.now()
if self._keep_alive_fail_count >= 3:
if (now - self._last_recv_time
).total_seconds() < self._keep_alive_interval:
self._keep_alive_fail_count = 0
else:
logger.warning('Fail to recv KeepAlive for 3 times')
should_reconnect = True
if should_reconnect:
self._wait_reconnect()
def _wait_reconnect(self, wait_reconnect_interval=8):
with self._lock:
if self._status == ContextStatus.CLOSED or self._reconnect_timer is not None:
return
logger.info(
'Wait reconnect in {} seconds: host={}; port={};'.format(
wait_reconnect_interval, self.__host, self.__port))
net_mgr = self._net_mgr
conn_id = self._conn_id
self._status = ContextStatus.CONNECTING
self._sync_conn_id = 0
self._conn_id = 0
self._keep_alive_fail_count = 0
self._reconnect_timer = Timer(wait_reconnect_interval,
self._reconnect)
self._reconnect_timer.start()
net_mgr.close(conn_id)
def _reconnect(self):
with self._lock:
self._reconnect_timer.cancel()
self._reconnect_timer = None
ret = self._init_connect_sync()
if ret != RET_OK:
self._wait_reconnect(self._reconnect_interval)
def test_cmd(self, cmd, params):
query_processor = self._get_sync_query_processor(
TestCmd.pack_req, TestCmd.unpack_rsp)
kargs = {
'cmd': cmd,
'params': params,
}
ret_code, msg, state_dict = query_processor(**kargs)
if ret_code != RET_OK:
return ret_code, msg
return RET_OK, state_dict
