Add MQTT debug view example.

Author: tdicola

examples/mqtt_viewall.py

@@ -0,0 +1,66 @@
+# Adafruit IO MQTT 'debug' view to see all messages.  Will display every
+# message published for an account on AIO.  Useful for debugging when other
+# devices are writing to AIO for an account.
+#
+# Copyright (c) 2014 Adafruit Industries
+# Author: Tony DiCola
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+import logging
+
+import paho.mqtt.client as mqtt
+
+
+# Edit below to include your AIO account details.
+USERNAME  = 'YOUR AIO USERNAME'
+KEY       = 'YOUR AIO KEY'
+
+# Adafruit IO MQTT service details.
+SERVER    = 'io.adafruit.com'
+PORT      = 1883
+KEEPALIVE = 3600  # One minute
+
+# Path to subscribe to for messages.  By default this is the '<username>/#' path
+# which means all messages for that user will be seen.
+PATH      = USERNAME + '/#'
+
+
+# Setup message handlers for connect, disconnect and message received.
+def on_connect(client, userdata, flags, rc):
+    print 'Connected!'
+    client.subscribe(PATH)
+    print 'Subscribed to path {0}!'.format(PATH)
+
+def on_disconnect(client, userdata, rc):
+    print 'Disconnected!'
+
+def on_message(client, userdata, msg):
+    print 'Received on {0}: {1}'.format(msg.topic, msg.payload.decode('utf-8'))
+
+
+# Create MQTT client and connect to Adafruit IO.
+client = mqtt.Client()
+client.username_pw_set(USERNAME, KEY)
+client.on_connect = on_connect
+client.on_disconnect = on_disconnect
+client.on_message = on_message
+client.connect(SERVER, port=PORT, keepalive=KEEPALIVE)
+
+print 'Press Ctrl-C to quit.'
+client.loop_forever()