wifi level via mqtt

mqtt.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python2
+
+import paho.mqtt.client as mqtt
+import socket
+import time
+import wireless
+
+def on_connect(client, data, flags, result):
+	print "Connected with " + str(result)
+
+topic = "outdoor"
+domain = "mower"
+host = socket.gethostname()
+preamble = topic + "/" + domain + "/" + host
+cl = mqtt.Client()
+cl.on_connect = on_connect
+cl.connect("192.168.178.21", 1883, 60)
+cl.loop_start()
+
+w = wireless.wireless("wlan0")
+while True:
+	cl.publish(preamble + "/net/level", str(int(time.time())) + ":" + w.level())
+	time.sleep(1)

test_wireless.py

@@ -0,0 +1,12 @@
+#!/usr/bin/python2
+
+import wireless
+import time
+
+wf = wireless.wireless("wlan0")
+
+while(True):
+	print "level: " + wf.level() + " dBm"
+	print "link: " + wf.link() + " dBm"
+	print "noise: " + wf.noise() + " dBm"
+	time.sleep(1)

udp_socket_client.py

@@ -2,12 +2,15 @@
 
 import socket
 import time
+import wireless
 
 target = "192.168.178.21"
 port = 5005
 
 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+w = wireless.wireless("wlan0")
 
 while 1:
-	s.sendto("test", (target, port))
+	msg = "#WIFI:LEVEL:" + w.level()
+	s.sendto(msg, (target, port))
 	time.sleep(1)

wireless.py

@@ -0,0 +1,35 @@
+import re
+
+class wireless:
+	def __init__(self, device = "wlan0"):
+		self.device = device
+		self.__link = ""
+		self.__level = ""
+		self.__noise = ""
+
+	def __parse(self):
+		f = open("/proc/net/wireless", "r")
+		for line in f:
+			line = line.strip()
+			if re.match("^" + self.device + ".*$", line):
+				line = re.sub("\s+", " ", line)
+				lst = line.split(" ")
+				self.__link = lst[2]
+				self.__level = lst[3]
+				if re.match(".*\.$", self.__level):
+					self.__level = re.sub("\.", "", self.__level)
+				self.__noise = lst[4]
+				break
+		f.close()
+
+	def level(self):
+		self.__parse()
+		return self.__level
+
+	def link(self):
+		self.__parse()
+		return self.__link
+
+	def noise(self):
+		self.__parse()
+		return self.__noise