本文整理匯總了Python中OpenOPC.close_session方法的典型用法代碼示例。如果您正苦於以下問題：Python OpenOPC.close_session方法的具體用法？Python OpenOPC.close_session怎麽用？Python OpenOPC.close_session使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類OpenOPC的用法示例。
在下文中一共展示了OpenOPC.close_session方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: inactive_cleanup
# 需要導入模塊: import OpenOPC [as 別名]
# 或者: from OpenOPC import close_session [as 別名]
def inactive_cleanup(exit_event):
while True:
exit_event.wait(60.0)
if exit_event.is_set():
all_sessions = OpenOPC.get_sessions(host=opc_gate_host, port=opc_gate_port)
for oid, ip, ctime, xtime in all_sessions:
OpenOPC.close_session(oid, host=opc_gate_host, port=opc_gate_port)
exit_event.clear()
return
else:
try:
all_sessions = OpenOPC.get_sessions(host=opc_gate_host, port=opc_gate_port)
except Pyro.errors.ProtocolError:
all_sessions = []
if len(all_sessions) > max_clients:
stale_sessions = sorted(all_sessions, key=lambda s: s[3])[:-max_clients]
else:
stale_sessions = [s for s in all_sessions if time.time()-s[3] > (inactive_timeout*60)]
for oid, ip, ctime, xtime in stale_sessions:
OpenOPC.close_session(oid, host=opc_gate_host, port=opc_gate_port)
time.sleep(1)