amqtt/samples/client_publish.py

34 wiersze
962 B
Python

import logging
import asyncio
from hbmqtt.client import MQTTClient
#
# This sample shows how to publish messages to broker using different QOS
# Debug outputs shows the message flows
#
logger = logging.getLogger(__name__)
C = MQTTClient()
@asyncio.coroutine
def test_coro():
yield from C.connect(uri='mqtt://iot.eclipse.org:1883/', username=None, password=None)
tasks = [
asyncio.async(C.publish('a/b', b'TEST MESSAGE WITH QOS_0')),
asyncio.async(C.publish('a/b', b'TEST MESSAGE WITH QOS_1', qos=0x01)),
asyncio.async(C.publish('a/b', b'TEST MESSAGE WITH QOS_2', qos=0x02)),
]
yield from asyncio.wait(tasks)
logger.info("messages published")
yield from C.disconnect()
if __name__ == '__main__':
formatter = "[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s"
logging.basicConfig(level=logging.DEBUG, format=formatter)
asyncio.get_event_loop().run_until_complete(test_coro())