amqtt/samples/client_publish.py

58 wiersze
1.7 KiB
Python

import logging
import asyncio
from hbmqtt.client import MQTTClient, ConnectException
from hbmqtt.mqtt.constants import QOS_1, QOS_2
#
# This sample shows how to publish messages to broker using different QOS
# Debug outputs shows the message flows
#
logger = logging.getLogger(__name__)
config = {
'will': {
'topic': '/will/client',
'message': b'Dead or alive',
'qos': 0x01,
'retain': True
}
}
async def test_coro():
C = MQTTClient()
await C.connect('mqtt://test.mosquitto.org/')
tasks = [
asyncio.ensure_future(C.publish('a/b', b'TEST MESSAGE WITH QOS_0')),
asyncio.ensure_future(C.publish('a/b', b'TEST MESSAGE WITH QOS_1', qos=QOS_1)),
asyncio.ensure_future(C.publish('a/b', b'TEST MESSAGE WITH QOS_2', qos=QOS_2)),
]
await asyncio.wait(tasks)
logger.info("messages published")
await C.disconnect()
async def test_coro2():
try:
C = MQTTClient()
await C.connect('mqtt://test.mosquitto.org:1883/')
await C.publish('a/b', b'TEST MESSAGE WITH QOS_0', qos=0x00)
await C.publish('a/b', b'TEST MESSAGE WITH QOS_1', qos=0x01)
await C.publish('a/b', b'TEST MESSAGE WITH QOS_2', qos=0x02)
logger.info("messages published")
await C.disconnect()
except ConnectException as ce:
logger.error("Connection failed: %s" % ce)
asyncio.get_event_loop().stop()
if __name__ == '__main__':
formatter = "[%(asctime)s] %(name)s {%(filename)s:%(lineno)d} %(levelname)s - %(message)s"
formatter = "%(message)s"
logging.basicConfig(level=logging.DEBUG, format=formatter)
asyncio.get_event_loop().run_until_complete(test_coro())
asyncio.get_event_loop().run_until_complete(test_coro2())