def __del__(self):
# kill the HMI (opened with Process)
if (self.__process is not None):
self.__process.join()
# kill the HTTP server (opened with Popen)
self.stop_http_server()
logger.debug('Killed HMI%d and its webserver' % self.__id)
def action(self):
"""Defines the action of the HMI:
- reads the tags using the cpppo helper function
- add them to different lists
- appends the time value to another list
- calls the mplot function
"""
for index in self.__tags:
tag = read_cpppo(self.__ipaddr, index,
'examples/swat/hmi_cpppo.cache')
logger.debug('HMI%d read %s: %s' % (self.__id, index, tag))
tag = float(tag)
self.__values[index].append(tag)
self.__values['time'].append(time() - self.__start_time)
logger.debug("HMI%d - self.__values['time']: %f" %
(self.__id, self.__values['time'][-1]))
self.mplot()
"""Init cpppo enip server.
Execute an infinite routine loop:
- read sensors values
"""
# init the ENIP server
tags = []
tags.extend(P1_PLC1_TAGS)
init_cpppo_server(tags)
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_MV101-Status', '2')
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_P101-Status', '1')
time.sleep(3)
logger.debug("Enter PLC1a main loop")
start_time = time.time()
while (time.time() - start_time < TIMEOUT):
# Read and update HMI_tag
lit101_str = read_single_statedb('1', 'AI_LIT_101_LEVEL')[3]
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', lit101_str)
val = read_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', PLC1_CPPPO_CACHE)
logger.debug("PLC1 - read_cpppo HMI_LIT101-Pv: %s" % val)
lit101 = float(lit101_str)
# lit101
if lit101 >= LIT_101['HH']:
"""Init cpppo enip server.
Execute an infinite routine loop:
- read sensors values
"""
# init the ENIP server
tags = []
tags.extend(P1_PLC1_TAGS)
init_cpppo_server(tags)
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_MV101-Status', '2')
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_P101-Status', '1')
time.sleep(3)
logger.debug("Enter PLC1a main loop")
start_time = time.time()
while(time.time() - start_time < TIMEOUT):
# Read and update HMI_tag
lit101_str = read_single_statedb('1', 'AI_LIT_101_LEVEL')[3]
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', lit101_str)
val = read_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', PLC1_CPPPO_CACHE)
logger.debug("PLC1 - read_cpppo HMI_LIT101-Pv: %s" % val)
lit101 = float(lit101_str)
# lit101
if lit101 >= LIT_101['HH']:
tags = []
tags.extend(P1_PLC3_TAGS)
# tags.extend(P2_PLC3_TAGS)
time.sleep(2)
init_cpppo_server(tags)
# wait for the other plcs
time.sleep(1)
# write_cpppo(L1_PLCS_IP['plc3'], 'AI_LIT_301_LEVEL', '3')
# val = read_cpppo(
# L1_PLCS_IP['plc3'], 'AI_LIT_301_LEVEL',
# 'examples/swat/plc3_cpppo.cache')
# logger.debug("read_cpppo: %s" % val)
logger.info("PLC3 - enters main loop")
start_time = time.time()
while(time.time() - start_time < TIMEOUT):
# cmd = read_single_statedb('AI_FIT_101_FLOW', '1')
lit301pv = read_single_statedb('3', 'AI_LIT_301_LEVEL')[3]
write_cpppo(L1_PLCS_IP['plc3'], 'HMI_LIT301-Pv', lit301pv)
val = read_cpppo(L1_PLCS_IP['plc3'], 'HMI_LIT301-Pv', PLC3_CPPPO_CACHE)
logger.debug("PLC3 - read_cpppo HMI_LIT301-Pv: %s" % val)
time.sleep(T_PLC_R)
logger.info("PLC3 - exits main loop")
# wait for the other plcs
time.sleep(2)
# write_cpppo(L1_PLCS_IP['plc2'], 'DO_MV_201_CLOSE', '2')
val = read_cpppo(L1_PLCS_IP['plc2'], 'DO_MV_201_CLOSE',
'examples/swat/plc2_cpppo.cache')
# logger.debug("read_cpppo: %s" % val)
# synch with plc2, plc3
# time.sleep(1)
# TODO: look a Stridhar graph
logger.info("PLC2 - enters main loop")
start_time = time.time()
write_cpppo(L1_PLCS_IP['plc2'], 'HMI_MV201-Status', '2')
while (time.time() - start_time < TIMEOUT):
# cmd = read_single_statedb('AI_FIT_101_FLOW', '1')
fit201pv = read_single_statedb('2', 'AI_FIT_201_FLOW')[3]
write_cpppo(L1_PLCS_IP['plc2'], 'HMI_FIT201-Pv', fit201pv)
val = read_cpppo(L1_PLCS_IP['plc2'], 'HMI_FIT201-Pv', PLC2_CPPPO_CACHE)
logger.debug("PLC2 - read_cpppo HMI_FIT201-Pv: %s" % val)
time.sleep(T_PLC_R)
logger.info("PLC2 - exits main loop")
# wait for the other plcs
time.sleep(2)
# write_cpppo(L1_PLCS_IP['plc2'], 'DO_MV_201_CLOSE', '2')
val = read_cpppo(
L1_PLCS_IP['plc2'], 'DO_MV_201_CLOSE',
'examples/swat/plc2_cpppo.cache')
# logger.debug("read_cpppo: %s" % val)
# synch with plc2, plc3
# time.sleep(1)
# TODO: look a Stridhar graph
logger.info("PLC2 - enters main loop")
start_time = time.time()
write_cpppo(L1_PLCS_IP['plc2'], 'HMI_MV201-Status', '2')
while(time.time() - start_time < TIMEOUT):
# cmd = read_single_statedb('AI_FIT_101_FLOW', '1')
fit201pv = read_single_statedb('2', 'AI_FIT_201_FLOW')[3]
write_cpppo(L1_PLCS_IP['plc2'], 'HMI_FIT201-Pv', fit201pv)
val = read_cpppo(L1_PLCS_IP['plc2'], 'HMI_FIT201-Pv', PLC2_CPPPO_CACHE)
logger.debug("PLC2 - read_cpppo HMI_FIT201-Pv: %s" % val)
time.sleep(T_PLC_R)
logger.info("PLC2 - exits main loop")
# wait for the other plcs
time.sleep(3)
logger.info("PLC1 - enters main loop")
start_time = time.time()
while(time.time() - start_time < TIMEOUT):
# Read and update HMI_tag
lit101_str = read_single_statedb('1', 'AI_LIT_101_LEVEL')[3]
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', lit101_str)
val = read_cpppo(L1_PLCS_IP['plc1'], 'HMI_LIT101-Pv', PLC1_CPPPO_CACHE)
logger.debug("PLC1 - read_cpppo HMI_LIT101-Pv: %s" % val)
lit101 = float(lit101_str)
# lit101
if lit101 >= LIT_101['HH']:
logger.warning("PLC1 - lit101 over HH: %.2f >= %.2f" % (
lit101, LIT_101['HH']))
elif lit101 <= LIT_101['LL']:
logger.warning("PLC1 - lit101 under LL: %.2f <= %.2f" % (
lit101, LIT_101['LL']))
# CLOSE p101
update_statedb('0', 'DO_P_101_START')
write_cpppo(L1_PLCS_IP['plc1'], 'HMI_P101-Status', '1')
val = read_cpppo(