removed schedule library from gateway process in myems-bacnet service
13621160019@163.com
parent
050304256f
commit
6f92e88ece
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@ -10,8 +10,6 @@ bacpypes
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mysql.connector
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mysql.connector
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Schedule
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## Installation
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## Installation
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Download and install MySQL Connector:
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Download and install MySQL Connector:
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@ -38,14 +36,6 @@ Download and install bacpypes library
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$ sudo ufw allow 47808
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$ sudo ufw allow 47808
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```
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```
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Download and install Schedule
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```
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$ cd ~/tools
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$ git clone https://github.com/dbader/schedule.git
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$ cd ~/tools/schedule
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$ sudo python3 setup.py install
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```
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Install myems-bacnet service
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Install myems-bacnet service
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```
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```
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$ cd ~
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$ cd ~
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@ -12,74 +12,72 @@ import schedule
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########################################################################################################################
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########################################################################################################################
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def job(logger, ):
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def process(logger, ):
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################################################################################################################
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# Step 1: Verify Gateway Token
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################################################################################################################
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cnx_system_db = None
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cnx_system_db = None
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cursor_system_db = None
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cursor_system_db = None
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try:
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cnx_system_db = mysql.connector.connect(**config.myems_system_db)
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cursor_system_db = cnx_system_db.cursor()
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except Exception as e:
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logger.error("Error in step 1.1 of Gateway process " + str(e))
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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return
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# TODO: choose a more secure method to verify gateway token
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try:
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query = (" SELECT name "
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" FROM tbl_gateways "
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" WHERE id = %s AND token = %s ")
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cursor_system_db.execute(query, (config.gateway['id'], config.gateway['token']))
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row = cursor_system_db.fetchone()
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except Exception as e:
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logger.error("Error in step 1.2 of gateway process: " + str(e))
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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return
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if row is None:
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logger.error("Error in step 1.3 of gateway process: Not Found ")
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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return
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############################################################################################################
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# Step 2: Collect Gateway Information
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############################################################################################################
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# todo: get more information, such as CPU/MEMORY/DISK
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current_datetime_utc = datetime.utcnow()
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############################################################################################################
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# Step 3: Update Gateway Information
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############################################################################################################
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update_row = (" UPDATE tbl_gateways "
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" SET last_seen_datetime_utc = '" + current_datetime_utc.isoformat() + "' "
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" WHERE id = %s ")
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try:
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cursor_system_db.execute(update_row, (config.gateway['id'], ))
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cnx_system_db.commit()
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except Exception as e:
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logger.error("Error in step 3.1 of gateway process " + str(e))
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return
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finally:
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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def process(logger, ):
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schedule.every(1).minutes.do(job, logger,)
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while True:
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while True:
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schedule.run_pending()
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# the outermost while loop
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################################################################################################################
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# Step 1: Verify Gateway Token
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################################################################################################################
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while not cnx_system_db or not cnx_system_db.is_connected():
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try:
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cnx_system_db = mysql.connector.connect(**config.myems_system_db)
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cursor_system_db = cnx_system_db.cursor()
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except Exception as e:
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logger.error("Error to connect to myems_system_db in step 1.1 of gateway process " + str(e))
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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print("Failed to connect to myems_system_db, sleep a minute and retry...")
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time.sleep(60)
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continue
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# TODO: choose a more secure method to verify gateway token
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try:
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query = (" SELECT name "
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" FROM tbl_gateways "
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" WHERE id = %s AND token = %s ")
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cursor_system_db.execute(query, (config.gateway['id'], config.gateway['token']))
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row = cursor_system_db.fetchone()
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except Exception as e:
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logger.error("Error in step 1.2 of gateway process: " + str(e))
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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time.sleep(60)
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continue
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if row is None:
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logger.error("Error in step 1.3 of gateway process: Gateway Not Found ")
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time.sleep(60)
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continue
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############################################################################################################
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# Step 2: Collect Gateway Information
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############################################################################################################
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# todo: get more information, such as CPU/MEMORY/DISK
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current_datetime_utc = datetime.utcnow()
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############################################################################################################
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# Step 3: Update Gateway Information
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############################################################################################################
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update_row = (" UPDATE tbl_gateways "
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" SET last_seen_datetime_utc = '" + current_datetime_utc.isoformat() + "' "
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" WHERE id = %s ")
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try:
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cursor_system_db.execute(update_row, (config.gateway['id'], ))
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cnx_system_db.commit()
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except Exception as e:
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logger.error("Error in step 3.2 of gateway process " + str(e))
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if cursor_system_db:
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cursor_system_db.close()
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if cnx_system_db:
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cnx_system_db.close()
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time.sleep(60)
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continue
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# sleep some seconds
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time.sleep(60)
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time.sleep(60)
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# end of the outermost while loop
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