def deleteInteraction(interaction_id):
payload = {
'type': 'delete',
'table': 'interactions',
'interaction_id': interaction_id
}
publish.single(topic='webapp/updates',
hostname=getBrokerIp(),
payload=json.dumps(payload))
def addInteraction(vals):
# Validate input
neededColNames = set(getColNames('interactions'))
neededColNames.remove('interaction_id')
givenColNames = set(vals.keys())
if len(neededColNames.difference(givenColNames)) != 0:
raise Exception(
'Error: addInteraction called with incorrect columns: ' +
str(vals.keys()))
payload = {'type': 'add', 'table': 'interactions', 'vals': vals}
publish.single(topic='webapp/updates',
hostname=getBrokerIp(),
payload=json.dumps(payload))
def updateNode(serial, vals):
if len(vals
) != 2 or 'display_name' not in vals or 'description' not in vals:
raise Exception('Error: updateNode called with incorrect columns: ' +
str(vals.keys()))
payload = {
'type': 'update',
'table': 'node_data',
'serial': serial,
'vals': vals
}
publish.single(topic='webapp/updates',
hostname=getBrokerIp(),
payload=json.dumps(payload))
def __init__(self, brokerIp=None):
if brokerIp is None:
brokerIp = getBrokerIp()
# TODO: Error checking. What if the broker isn't up?
# Connect to the brokerjas anonymous device
self.conn = mqtt.Client()
self.conn.connect(brokerIp)
# Start the async publishing loop to manage mqtt network packets
self.conn.loop_start()
# After the one time connection returns, should set this val
self.returnVal = None
# Set callback function
self.conn.message_callback_add('#', self._oneTimeCallback)
self.responseTopic = None
def setNodeStatus(serial, status):
payload = {'status': status}
publish.single(topic='%d/status_change_request' % serial,
hostname=getBrokerIp(),
payload=json.dumps(payload))