def inactive_cleanup(exit_event):
while True:
exit_event.wait(60.0)
if exit_event.is_set():
try:
all_sessions = OpenOPC.get_sessions(host=opc_gate_host, port=opc_gate_port)
for server, oid, ctime, xtime in all_sessions:
OpenOPC.close_session(oid, host=opc_gate_host, port=opc_gate_port)
except Exception as e:
servicemanager.LogInfoMsg('\n\nException %s happen when stop opc gateway service' % e)
finally:
exit_event.clear()
return
else:
try:
all_sessions = OpenOPC.get_sessions(host=opc_gate_host, port=opc_gate_port)
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 server, oid, ctime, xtime in stale_sessions:
OpenOPC.close_session(oid, host=opc_gate_host, port=opc_gate_port)
time.sleep(1)
except Exception as e:
servicemanager.LogInfoMsg('\n\nException %s happen when cleanup timeout session' % e)
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)
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)
# Establish signal handler for keyboard interrupts
sh = SigHandler()
signal.signal(signal.SIGINT, sh)
if os.name == 'nt':
signal.signal(signal.SIGBREAK, sh)
signal.signal(signal.SIGTERM, sh)
# ACTION: List active sessions in OpenOPC service
if action == 'sessions':
print ' %-38s %-18s %-18s' % ('Remote Client', 'Start Time',
'Last Transaction')
try:
for guid, host, init_time, tx_time in OpenOPC.get_sessions(
open_host, open_port):
print ' %-38s %-18s %-18s' % (host, time2str(init_time),
time2str(tx_time))
except:
error_msg = sys.exc_info()[1]
print "Cannot connect to OpenOPC service at %s:%s - %s" % (
open_host, open_port, error_msg)
exit()
# Connect to OpenOPC service (Open mode)
if opc_mode == 'open':
try:
opc = OpenOPC.open_client(open_host, open_port)
except:
error_msg = sys.exc_info()[1]
health_only = False
# Establish signal handler for keyboard interrupts
sh = SigHandler()
signal.signal(signal.SIGINT,sh)
if os.name == 'nt':
signal.signal(signal.SIGBREAK,sh)
signal.signal(signal.SIGTERM,sh)
# ACTION: List active sessions in OpenOPC service
if action == 'sessions':
print ' %-38s %-18s %-18s' % ('Remote Client', 'Start Time', 'Last Transaction')
try:
for guid, host, init_time, tx_time in OpenOPC.get_sessions(open_host, open_port):
print ' %-38s %-18s %-18s' % (host, time2str(init_time), time2str(tx_time))
except:
error_msg = sys.exc_info()[1]
print "Cannot connect to OpenOPC service at %s:%s - %s" % (open_host, open_port, error_msg)
exit()
# Connect to OpenOPC service (Open mode)
if opc_mode == 'open':
try:
opc = OpenOPC.open_client(open_host, open_port)
except:
error_msg = sys.exc_info()[1]
print "Cannot connect to OpenOPC Gateway Service at %s:%s - %s" % (open_host, open_port, error_msg)
exit()
# Establish signal handler for keyboard interrupts
sh = SigHandler()
signal.signal(signal.SIGINT, sh)
if os.name == 'nt':
signal.signal(signal.SIGBREAK, sh)
signal.signal(signal.SIGTERM, sh)
# ACTION: List active sessions in OpenOPC service
if action == 'sessions':
print(' %-32s %-38s %-18s %-18s' %
('OPC Server', 'Client Object', 'Start Time', 'Last Transaction'))
try:
for server, guid, init_time, tx_time in OpenOPC.get_sessions(
open_host, open_port):
print(' %-32s %-38s %-18s %-18s' %
(server, guid, time2str(init_time), time2str(tx_time)))
except:
error_msg = sys.exc_info()[1]
print("Cannot connect to OpenOPC service at %s:%s - %s" %
(open_host, open_port, error_msg))
exit()
# Connect to OpenOPC service (Open mode)
if opc_mode == 'open':
try:
opc = OpenOPC.open_client(open_host, open_port)
except:
error_msg = sys.exc_info()[1]
