import serial
-from os import listdir
+from os import listdir,system
from os.path import isfile, join
+from pprint import pprint
+
from termios import tcflush, TCIOFLUSH
from time import sleep,time
from StringIO import StringIO
searchpath = '/dev/serial/by-id/'
-baud = 9600
+baud = 57600
+path = None
timeout = 5
external_submit_interval = 320
+owm_submit_interval = 320
expire_interval = 1200
submit_time = time()
+submit_time_owm = time()
submit_queue = {}
import MySQLdb
def find_port():
global serial_num
+ global path
files = listdir(searchpath)
for f in files:
finally:
None
+def print_log(str):
+ global logging
+ print str
+ if logging == "on":
+ system("logger -t weathermon \""+str+"\"")
+
def submit_narodmon(queue):
param = { 'ID':"{:X}".format(getnode())}
+ pprint(queue)
+
for sensor in queue:
value = submit_queue[sensor]['val']
timestamp = submit_queue[sensor]['timestamp']
digest = md5(sensor).hexdigest()[:18]
param[digest] = value;
- print param
+ pprint (param)
url = "http://narodmon.ru/post.php"
response_value = response_buffer.getvalue()
- print 'Content: ', response_value
+ print_log('Narodmon response: '+response_value)
return True
response_value = response_buffer.getvalue()
- print 'Content: ', response_value
+ print_log('Openweathermap response: '+response_value)
return True
clean = []
for key in submit_queue:
if submit_queue[key]['timestamp'] < time()-expire_interval:
- print "Expired value for "+key
+ print_log("Expired value for "+key)
clean.append(key)
for i in clean:
del submit_queue[i]
def submit_data(sensor_type,sensor_id,sensor_param,param_value):
global submit_time
+ global submit_time_owm
+ global external_submit_interval
+ global owm_submit_interval
global submit_queue
c = database.cursor()
- c.execute('CALL meteo.submit_value(%s,%s,%s,%s)', (sensor_type,sensor_id,sensor_param,param_value))
+ c.execute('CALL meteo.submit_value(%s,%s,%s,%s,NULL)', (sensor_type,sensor_id,sensor_param,param_value))
database.commit()
submit_queue[sensor_type+'.'+sensor_id+'.'+sensor_param]={'val':param_value,'timestamp':time()}
if time()>submit_time+external_submit_interval:
- if submit_narodmon(submit_queue):
- if owmuser:
- submit_owm(submit_queue)
- print 'Purging queue...'
- submit_time=time()
- purge_queue()
+ submit_narodmon(submit_queue)
+ submit_time=time()
+ if owmuser and time()>submit_time_owm+owm_submit_interval:
+ submit_owm(submit_queue)
+ submit_time_owm=time()
+ purge_queue()
def process_str(str):
+ print_log("Received: "+str)
try:
msg_type, msg_body = str.split(':')
+ except:
+ return
+ try:
if msg_type == 'STATUS':
- print 'Status: ', msg_body
+ print_log('Status: '+msg_body)
elif msg_type == 'ERROR':
- print 'Error: ', msg_body
+ print_log('Error: '+ msg_body)
elif msg_type == 'SENSOR':
sens = msg_body.split(',')
sensor = {}
if not sensor_id:
sensor_id='DEFAULT';
for key in sensor:
- print 'Type = ', sensor_type, ', ID = ', sensor_id, ', Param = ', key, ', Value = ', sensor[key]
- submit_data(sensor_type,sensor_id,key,sensor[key])
+ if sensor[key] is not None:
+ print_log('Type = '+sensor_type+', ID = '+sensor_id+', Param = '+key+', Value = '+sensor[key])
+ submit_data(sensor_type,sensor_id,key,sensor[key])
+ else:
+ print_log('Error: got empty parameter value for '+sensor_type+'.'+sensor_id+'.'+key)
except:
- print 'Exception processing...'
+ print_log('Exception processing...')
+ exc_type, exc_value, exc_traceback = sys.exc_info()
+ traceback.print_tb(exc_traceback, limit=1, file=sys.stdout)
+ traceback.print_exception(exc_type, exc_value, exc_traceback,
+ limit=5, file=sys.stdout)
try:
database.close()
except:
None
reconnect()
-def print_str(str):
- print str
-
def weather_mon():
- path = find_port()
+ global path
+
+ if path is None:
+ path = find_port()
ser = open_port(path)
read_loop(ser,process_str)
def reconnect():
-
- try:
- global database
- database = MySQLdb.connect(host=dbhost,user=dbuser,passwd=dbpasswd,use_unicode=True,connect_timeout=10)
- database.set_character_set('utf8')
- c = database.cursor()
- c.execute('SET NAMES utf8;')
- print "Database connected..."
-
- except:
+ connected = False
+
+ while not connected:
+
+ try:
+
+ global database
+ database = MySQLdb.connect(host=dbhost,user=dbuser,passwd=dbpasswd,use_unicode=True,connect_timeout=10)
+ database.set_character_set('utf8')
+ c = database.cursor()
+ c.execute('SET NAMES utf8;')
+ print_log("Database connected...")
+ connected = True
+
+ except:
- print "Error connecting database"
- sleep(30)
+ print_log("Error connecting database")
+ sleep(30)
def main():
weather_mon()
dbhost = cfg.get("mysql","host")
dbuser = cfg.get("mysql","user")
dbpasswd = cfg.get("mysql","passwd")
- serialnum = cfg.get("serial","id")
+ try:
+ path = cfg.get("serial","port");
+ except:
+ path = None
+ try:
+ serialnum = cfg.get("serial","id")
+ except:
+ serialnum = None
+ try:
+ logging = cfg.get("logging","enabled")
+ except:
+ logging = None
owmuser = cfg.get("openweathermap","user")
owmpasswd = cfg.get("openweathermap",'passwd')
if owmuser:
except:
- print "Cannot intialize system"
+ print_log("Cannot intialize system")
exit()
if __name__ == "__main__":