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mqtt_bridge.py
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mqtt_bridge.py
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"""
requirements:
pip install paho-mqtt
"""
import json
import platform
import time
import paho.mqtt.client as mqtt
from asterisk.ami import EventListener, AMIClient, AutoReconnect
from asterisk.ami.action import SimpleAction
from settings import connection, login
brokers = ['test-mosquitto.org', 'iot.eclipse.org']
broker = brokers[1]
hostname = platform.node()
class MqttAmiBridge(EventListener):
def __init__(self, base_topic, mqtt_client, ami_client):
super(MqttAmiBridge, self).__init__()
self.base_topic = base_topic
self.mqtt_client = mqtt_client
self.ami_client = ami_client
def mqtt_on_connect(self, mqtt_client, userdata, flags, rc):
mqtt_client.subscribe(self.base_topic + '/+/+')
def mqtt_on_message(self, mqtt_client, userdata, msg):
topic_pieces = msg.topic.split('/')
if topic_pieces[-2] == 'action':
self.send_action(topic_pieces[-1], msg)
def send_action(self, action, raw_data):
try:
data = json.loads(raw_data.payload) if raw_data.payload != '' else {}
action = SimpleAction(action, **data)
self.ami_client.send_action(action, callback=self.send_response)
except Exception as ex:
data = {
'error': str(ex),
'action': action,
'data': raw_data.payload
}
self.mqtt_client.publish(self.base_topic + '/error', json.dumps(data))
def send_response(self, response):
data = {
'Response': response.status,
'follows': response.follows,
}
data.update(response.keys)
self.mqtt_client.publish(self.base_topic + '/response', json.dumps(data))
def on_event(self, event, **kwargs):
self.mqtt_client.publish(self.base_topic + '/event/%s' % event.name, json.dumps(event.keys))
mqtt_client = mqtt.Client()
ami_client = AMIClient(**connection)
AutoReconnect(ami_client)
bridge = MqttAmiBridge('%s/%s' % (hostname, 'asterisk-ami'), mqtt_client, ami_client)
mqtt_client.on_message = bridge.mqtt_on_message
mqtt_client.on_connect = bridge.mqtt_on_connect
mqtt_client.connect(broker, 1883)
mqtt_client.loop_start()
f = ami_client.login(**login)
ami_client.add_event_listener(bridge)
try:
while True:
time.sleep(10)
except (KeyboardInterrupt, SystemExit):
mqtt_client.disconnect()
ami_client.logoff()