def send_GN_registration_request(self):
# This event is set by sensor_controller after it stores the sensors' info in config file
logger.debug("Waiting for sensors info." + "\n\n")
# Waits till sensor_plugin object finishes writing to the config file
# so that race conditions don't occur
sensors_info_saved_event.wait()
config = ConfigObj(config_file_name)
temp_config = {}
temp_config["Systems Info"] = config["Systems Info"]
temp_config["Sensors Info"] = config["Sensors Info"]
reg_payload = RegistrationPayload()
reg_payload.sys_info = dict(temp_config)
reg_payload.instance_id = get_instance_id()
self.send_to_buffer_mngr(registration_type, no_reply, [reg_payload])
def send_data_msg(self, item):
data_payload = DataPayload()
data_payload.sens_id = item.msg[0]
data_payload.read_tm = item.msg[1]
data_payload.inst_id = get_instance_id()
ret = True
for reading_name, reading_type, reading_value, reading_unit, reading_note in\
zip(item.msg[2], item.msg[3], item.msg[4], item.msg[5], item.msg[6]):
ret = (ret and data_payload.add_item(reading_name, reading_type, \
reading_value, reading_unit, reading_note))
if not ret:
logger.critical("Error in packing data....................................")
logger.debug("DATA PAYLOAD:" + str(data_payload) + "\n\n")
self.send_to_buffer_mngr(data_type, item.reply_id, [data_payload])
logger.debug("Data msg sent to bufr mngr to send to NC." + "\n\n")
def gen_msg(self, item):
try:
header = MessageHeader()
header.instance_id = get_instance_id()
header.message_type = item.msg_type
# saves the session_id + new subseq_no which is called: highest_nc_subseq_no
header.sequence_id = self.gen_gn_seq_no()
# To indicate the last subseq_no of GN till which all ACKs ie replies from NC have been received
# NOTE: Its important to increment the highest_gn_subseq_no first
# (which is done in above function call: gen_gn_seq_no) and then call gen_gn_ackd_subseq_no
header.user_field1 = self.gen_gn_ackd_subseq_no(item.msg_type)
header.reply_to_id = item.reply_id
msg = Message()
msg.header = header
for each_msg in item.msg:
msg.append(each_msg)
try:
msg = msg.encode()
except Exception as inst:
logger.critical("ERROR: Exception while encoding msg: " + str(inst) )
return msg
except Exception as inst:
logger.critical("ERROR: Exception in gen_msg: " + str(inst))
