|
|
|
|
|
import time
|
|
|
|
|
|
import paho.mqtt.client as mqtt
|
|
|
|
|
|
|
|
|
|
|
|
broker = '121.40.129.71'
|
|
|
|
|
|
def on_publish(client, userdata, mid, reason_code, properties):
|
|
|
|
|
|
# reason_code and properties will only be present in MQTTv5. It's always unset in MQTTv3
|
|
|
|
|
|
print(f"mid: {mid}, reason_code: {reason_code}, properties: {properties}") # mid: 消息ID, reason_code: 返回码, properties: 属性
|
|
|
|
|
|
|
|
|
|
|
|
def on_connect(client, userdata, flags, rc, properties):
|
|
|
|
|
|
if rc.is_failure:
|
|
|
|
|
|
print(f"连接失败: {rc}. loop_forever()将重新连接")
|
|
|
|
|
|
else:
|
|
|
|
|
|
print(f'连接成功: {rc}')
|
|
|
|
|
|
client.subscribe('host_status/#')
|
|
|
|
|
|
|
|
|
|
|
|
# unacked_publish = set()
|
|
|
|
|
|
mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2, client_id="book_1")
|
|
|
|
|
|
mqttc.on_publish = on_publish
|
|
|
|
|
|
mqttc.on_connect = on_connect
|
|
|
|
|
|
|
|
|
|
|
|
# mqttc.user_data_set(unacked_publish)
|
|
|
|
|
|
mqttc.connect(broker, 48835, 60)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# mqttc.loop_start()
|
|
|
|
|
|
|
|
|
|
|
|
while True:
|
|
|
|
|
|
if not mqttc.is_connected():
|
|
|
|
|
|
print("连接断开，重新连接")
|
|
|
|
|
|
mqttc.connect(broker, 48835, 60,)
|
|
|
|
|
|
|
|
|
|
|
|
keys = input("输入任意键发送消息，输入q退出：")
|
|
|
|
|
|
if keys == 'q':
|
|
|
|
|
|
break
|
|
|
|
|
|
mqttc.loop(timeout=1.0)
|
|
|
|
|
|
# Our application produce some messages
|
|
|
|
|
|
msg_info = mqttc.publish("tts/1", keys, qos=1)
|
|
|
|
|
|
# unacked_publish.add(msg_info.mid)
|
|
|
|
|
|
|
|
|
|
|
|
# msg_info2 = mqttc.publish("host_status", "my message2", qos=1)
|
|
|
|
|
|
# unacked_publish.add(msg_info2.mid)
|
|
|
|
|
|
|
|
|
|
|
|
# # Wait for all message to be published
|
|
|
|
|
|
# while len(unacked_publish):
|
|
|
|
|
|
# time.sleep
|
|
|
|
|
|
|
|
|
|
|
|
# Our application produce some messages
|
|
|
|
|
|
# msg_info = mqttc.publish("host_status", "my message", qos=1)
|
|
|
|
|
|
# # unacked_publish.add(msg_info.mid)
|
|
|
|
|
|
#
|
|
|
|
|
|
# msg_info2 = mqttc.publish("host_status", "my message2", qos=1)
|
|
|
|
|
|
# # unacked_publish.add(msg_info2.mid)
|
|
|
|
|
|
|
|
|
|
|
|
# # Wait for all message to be published
|
|
|
|
|
|
# while len(unacked_publish):
|
|
|
|
|
|
# time.sleep(0.1)
|
|
|
|
|
|
|
|
|
|
|
|
# Due to race-condition described above, the following way to wait for all publish is safer
|
|
|
|
|
|
# msg_info.wait_for_publish()
|
|
|
|
|
|
# msg_info2.wait_for_publish()
|
|
|
|
|
|
#
|
|
|
|
|
|
mqttc.disconnect()
|
|
|
|
|
|
mqttc.loop_stop()
|
