import threading
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import time
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from utils import tool
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class ClientSocketManager:
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# 客户端类型
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CLIENT_TYPE_COMMON = "common"
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CLIENT_TYPE_TRADE = "trade"
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socket_client_dict = {}
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socket_client_lock_dict = {}
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active_client_dict = {}
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@classmethod
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def add_client(cls, _type, rid, sk):
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if _type == cls.CLIENT_TYPE_COMMON or _type == cls.CLIENT_TYPE_TRADE:
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# 交易列表
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if _type not in cls.socket_client_dict:
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cls.socket_client_dict[_type] = []
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cls.socket_client_dict[_type].append((rid, sk))
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cls.socket_client_lock_dict[rid] = threading.Lock()
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else:
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cls.socket_client_dict[_type] = (rid, sk)
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cls.socket_client_lock_dict[rid] = threading.Lock()
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@classmethod
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def acquire_client(cls, _type):
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if _type == cls.CLIENT_TYPE_COMMON or _type == cls.CLIENT_TYPE_TRADE:
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if _type in cls.socket_client_dict:
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# 根据排序活跃时间排序
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client_list = sorted(cls.socket_client_dict[_type], key=lambda x: cls.active_client_dict.get(x[0]) if x[
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0] in cls.active_client_dict else 0,
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reverse=True)
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for d in client_list:
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if d[0] in cls.socket_client_lock_dict:
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try:
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if cls.socket_client_lock_dict[d[0]].acquire(blocking=False):
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return d
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except threading.TimeoutError:
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pass
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else:
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if _type in cls.socket_client_dict:
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try:
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d = cls.socket_client_dict[_type]
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if d[0] in cls.socket_client_lock_dict:
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if cls.socket_client_lock_dict[d[0]].acquire(blocking=False):
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return d
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except threading.TimeoutError:
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pass
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return None
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@classmethod
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def release_client(cls, rid):
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if rid in cls.socket_client_lock_dict:
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# 释放锁
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cls.socket_client_lock_dict[rid].release()
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@classmethod
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def del_client(cls, rid):
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# 删除线程锁
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if rid in cls.socket_client_lock_dict:
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cls.socket_client_lock_dict.pop(rid)
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# 删除sk
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for t in cls.socket_client_dict:
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if type(cls.socket_client_dict[t]) == list:
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for d in cls.socket_client_dict[t]:
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if d[0] == rid:
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cls.socket_client_dict[t].remove(d)
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try:
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d[1].close()
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except:
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pass
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break
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elif type(cls.socket_client_dict[t]) == tuple:
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if cls.socket_client_dict[t][0] == rid:
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cls.socket_client_dict.pop(t)
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try:
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t[1].close()
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except:
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pass
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break
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# 心跳信息
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@classmethod
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def heart(cls, rid):
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cls.active_client_dict[rid] = time.time()
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@classmethod
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def del_invalid_clients(cls):
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# 清除长时间无心跳的客户端通道
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for k in cls.active_client_dict.keys():
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if time.time() - cls.active_client_dict[k] > 20:
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# 心跳时间间隔20s以上视为无效
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cls.del_client(k)
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@classmethod
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def list_client(cls, type_=None):
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_type = type_
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if not _type:
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_type = cls.CLIENT_TYPE_TRADE
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client_list = sorted(cls.socket_client_dict[_type],
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key=lambda x: cls.active_client_dict.get(x[0]) if x[0] in cls.active_client_dict else 0,
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reverse=True)
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fdata = []
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for client in client_list:
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active_time = cls.active_client_dict.get(client[0])
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if active_time is None:
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active_time = 0
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active_time = tool.to_time_str(int(active_time))
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fdata.append(
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(client[0], cls.socket_client_lock_dict[client[0]].locked(), active_time))
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return fdata
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