- Добавлен процесс для чтения iio-датчиков

[weathermon.git] / server / weathermon-mqtt

diff --git a/server/weathermon-mqtt b/server/weathermon-mqtt
new file mode 100755 (executable)
index 0000000..c6b6a82
--- /dev/null
+++ b/server/weathermon-mqtt
@@ -0,0 +1,94 @@
+#!/usr/bin/python -u
+
+import paho.mqtt.client as paho
+import sys
+from ConfigParser import ConfigParser
+import MySQLdb
+from pprint import pprint
+import json
+from dateutil.parser import parser
+tparser=parser()
+
+def on_message(mosq, obj, msg):
+  topic=msg.topic
+  payload=json.loads(msg.payload)
+  timestamp=tparser.parse(payload['Time'])
+  for sensor_type in payload:
+    if sensor_type != 'Time' and sensor_type != 'TempUnit':
+      sensor_data=payload[sensor_type]
+      for param in sensor_data:
+        try:
+          value=sensor_data[param]
+          try:
+            c = database.cursor()
+            c.execute('CALL meteo.submit_mqtt(%s,%s,%s,%s,NULL)', (topic,sensor_type,param,value))
+            database.commit()
+            print topic,sensor_type,param,value
+          except:
+            print "Failed to submit data"
+        except:
+          None    
+
+def Topics():
+
+  c = database.cursor()
+  c.execute(
+    '''
+    select topic from mqtt_topics where topic<>""
+    '''
+  )
+
+  topics=c.fetchall()
+  return topics
+  
+  
+def Init():
+
+  global client,database
+
+  conffile = sys.argv[1]
+
+  config = ConfigParser()
+  config.add_section('mqtt')
+  # set defaults for anonymous auth
+  config.set('mqtt', 'username', '')
+  config.set('mqtt', 'password', '')
+  config.set('mqtt', 'port', '1883')
+  config.read(conffile)
+
+  mqtt_server = config.get('mqtt', 'server')
+  mqtt_port = config.getint('mqtt', 'port')
+  mqtt_username = config.get('mqtt', 'username')
+  mqtt_password = config.get('mqtt', 'password')
+
+  mysql_server = config.get('mysql', 'server')
+  mysql_username = config.get('mysql','username')
+  mysql_password = config.get('mysql','password')
+  mysql_db = config.get('mysql','db')  
+  
+  client = paho.Client('weather')
+  client.username_pw_set(mqtt_username, mqtt_password)
+  client.on_message=on_message
+  client.connect(mqtt_server, port=mqtt_port)
+
+  database = MySQLdb.connect(host=mysql_server,user=mysql_username,passwd=mysql_password,db=mysql_db,use_unicode=True,connect_timeout=10)
+  database.set_character_set('utf8')
+  c = database.cursor()
+  c.execute('SET NAMES utf8;')
+
+  topics=[]
+  for topic in Topics():
+    topics.append((topic[0].encode('UTF-8'),1))
+  
+  client.subscribe(topics)
+
+Init()
+
+try:
+  while True:
+    try:
+      client.loop()
+    except:
+      break
+finally:
+  exit()