减少锁的持有时间
This commit is contained in:
zhiyong
parent
2f0d7e5a7e
commit
a6a081e773
@ -73,7 +73,8 @@ class PositionManager:
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del self.positions[code]
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logger.info(f"移除空持仓 - 策略: {self.strategy_name}, 代码: {code}")
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self.save_data()
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# 在锁之外异步保存数据
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threading.Thread(target=self.save_data).start()
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def add_pending_order(
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self, order_id, code, price, amount, direction, order_type=ORDER_TYPE_LIMIT
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@ -92,7 +93,8 @@ class PositionManager:
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f"数量: {amount}, 价格: {price}, 类型: {order_type}"
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)
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self.save_data()
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# 在锁之外异步保存数据
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threading.Thread(target=self.save_data).start()
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def update_order_status(self, order_id, filled, new_status):
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with self._lock:
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@ -120,7 +122,14 @@ class PositionManager:
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# 保留订单信息以供参考，但标记为已完成
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del self.pending_orders[order_id]
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logger.info(f"订单已删除 - ID: {order_id}, 状态: {new_status}")
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self.save_data()
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has_changes = True
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else:
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has_changes = False
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# 如果有修改，在锁外异步保存数据
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if has_changes:
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threading.Thread(target=self.save_data).start()
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return True
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return False
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@ -135,7 +144,9 @@ class PositionManager:
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dict: 委托信息，如果不存在返回None
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"""
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with self._lock:
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return self.pending_orders.get(order_id)
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order = self.pending_orders.get(order_id)
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# 如果找到订单，返回它的副本而不是直接引用
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return order.copy() if order else None
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def get_pending_orders(self):
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"""获取所有未完成委托
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@ -143,9 +154,19 @@ class PositionManager:
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Returns:
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dict: 订单ID到委托信息的映射
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"""
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# 创建临时变量存储锁内读取的数据
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orders_copy = {}
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with self._lock:
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# 返回副本以避免外部修改
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return self.pending_orders.copy()
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# 快速获取数据并立即释放锁
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for order_id, order in self.pending_orders.items():
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orders_copy[order_id] = order
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# 锁外创建副本，避免外部修改影响内部数据
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result = {}
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for order_id, order in orders_copy.items():
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result[order_id] = order.copy() if hasattr(order, 'copy') else order
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return result
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def get_positions(self) -> Dict[str, LocalPosition]:
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"""获取策略持仓
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@ -154,12 +175,23 @@ class PositionManager:
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Dict[str, LocalPosition]:
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key为股票代码（str），value为LocalPosition对象，若无持仓则返回空字典。
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"""
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# 创建临时变量存储锁内读取的数据
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positions_copy = {}
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with self._lock:
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# 返回副本以避免外部修改
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return self.positions.copy()
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# 快速获取数据并立即释放锁
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for code, pos in self.positions.items():
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positions_copy[code] = pos
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# 锁外创建副本，避免外部修改影响内部数据
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result = {}
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for code, pos in positions_copy.items():
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result[code] = LocalPosition(pos.code, pos.total_amount, pos.closeable_amount)
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return result
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def save_data(self):
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"""保存策略数据"""
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# 在锁内准备要保存的数据
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with self._lock:
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try:
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# 将对象转换为可序列化的字典
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@ -205,29 +237,35 @@ class PositionManager:
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),
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})
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with open(self.data_path, "w") as f:
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json.dump(
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{
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# 准备好要保存的数据
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data_to_save = {
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"positions": positions_dict,
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"pending_orders": pending_orders_dict,
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"all_orders": all_orders_array,
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},
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f,
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)
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}
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except Exception as e:
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logger.error(f"准备保存数据失败: {str(e)}")
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return
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# 锁外执行文件I/O操作
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try:
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with open(self.data_path, "w") as f:
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json.dump(data_to_save, f)
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logger.info("成功保存实盘策略数据")
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except Exception as e:
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logger.error(f"保存实盘策略数据失败: {str(e)}")
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def load_data(self):
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"""加载策略数据"""
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with self._lock:
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try:
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# 文件I/O操作在锁外执行
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if os.path.exists(self.data_path):
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from datetime import datetime
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with open(self.data_path, "r") as f:
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data = json.load(f)
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# 在锁内更新内存中的数据结构
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with self._lock:
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# 还原positions对象
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self.positions = {}
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positions_dict = data.get("positions", {})
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@ -283,12 +321,14 @@ class PositionManager:
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logger.info(f"本策略: {self.strategy_name} 持仓股票个数: {len(self.positions)} 未完成委托数: {len(self.pending_orders)} 历史订单数: {len(self.all_orders)}")
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else:
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logger.info(f"实盘策略数据文件不存在: {self.data_path}")
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with self._lock:
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self.positions = {}
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self.pending_orders = {}
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self.all_orders = []
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except Exception as e:
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logger.error(f"加载实盘策略数据失败: {str(e)}")
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# 初始化空数据结构
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with self._lock:
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self.positions = {}
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self.pending_orders = {}
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self.all_orders = []
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@ -299,22 +339,51 @@ class PositionManager:
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self.positions = {}
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self.pending_orders = {}
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self.all_orders = []
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self.save_data()
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# 在锁之外异步保存数据
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threading.Thread(target=self.save_data).start()
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def update_closeable_amount(self):
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"""更新可卖持仓"""
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need_save = False
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with self._lock:
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for _, position in self.positions.items():
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if position.closeable_amount != position.total_amount:
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position.closeable_amount = position.total_amount
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need_save = True
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# 只有在有更改时才保存
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if need_save:
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threading.Thread(target=self.save_data).start()
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def clear_pending_orders(self):
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"""清除所有未完成订单"""
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with self._lock:
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if self.pending_orders: # 只有在有挂单时才清除并保存
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self.pending_orders = {}
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need_save = True
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else:
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need_save = False
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# 只有在有更改时才保存
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if need_save:
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threading.Thread(target=self.save_data).start()
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def get_all_orders(self):
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"""获取所有订单"""
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"""获取所有订单
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Returns:
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list: 所有订单列表的副本
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"""
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# 创建临时变量存储锁内读取的数据
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orders_copy = []
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with self._lock:
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# 返回副本以避免外部修改
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return self.all_orders.copy()
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# 快速获取数据并立即释放锁
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orders_copy = self.all_orders.copy()
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# 锁外创建深拷贝，避免外部修改影响内部数据
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result = []
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for order in orders_copy:
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result.append(order.copy() if hasattr(order, 'copy') else order)
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return result
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