94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
import json
|
|
import time
|
|
|
|
import paho.mqtt.client as mqtt
|
|
|
|
from device import device_name
|
|
from tool import *
|
|
|
|
|
|
def valid(msg, client):
|
|
origin_data = json.loads(msg.payload.decode('utf-8'))
|
|
if 'msg' not in origin_data:
|
|
client.publish('error', payload='msg must be supplied', qos=0)
|
|
return False
|
|
if 'device_name' not in origin_data:
|
|
client.publish('error', payload='device_name must be supplied', qos=0)
|
|
return False
|
|
client.publish('error', payload=device_name, qos=0)
|
|
if device_name != origin_data['device_name']:
|
|
return False
|
|
return True
|
|
|
|
|
|
class MQTTClient:
|
|
def __init__(self, broker, port, topic):
|
|
self.broker = broker
|
|
self.port = port
|
|
self.topic = topic
|
|
self.client = mqtt.Client()
|
|
self.client.on_connect = self.on_connect
|
|
self.client.on_disconnect = self.on_disconnect
|
|
self.client.on_message = self.on_message
|
|
|
|
def on_connect(self, client, userdata, flags, rc):
|
|
print("Connected with result code " + str(rc))
|
|
self.client.subscribe(self.topic)
|
|
client.subscribe('lot_mqtt')
|
|
client.publish('success', payload='成功订阅lot_mqtt' + str(time.time()), qos=0)
|
|
|
|
def on_disconnect(self, client, userdata, rc):
|
|
print("Disconnected with code " + str(rc))
|
|
|
|
def on_message(self, client, userdata, msg):
|
|
if not valid(msg, client):
|
|
client.publish('error', payload='验证失败', qos=0)
|
|
return
|
|
client.publish('success', payload='验证通过', qos=0)
|
|
try:
|
|
origin_data = json.loads(msg.payload.decode('utf-8'))
|
|
data = origin_data["msg"]
|
|
if data == "push_stream":
|
|
# 启动推流视频
|
|
push_stream(client)
|
|
elif data == "close_stream":
|
|
# 关闭推流视频
|
|
close_stream(client)
|
|
elif data == "exec":
|
|
# 执行命令
|
|
exec_sh(msg, client)
|
|
elif data == "update":
|
|
# git更新项目和配置文件
|
|
update(client)
|
|
elif data == "record_list":
|
|
# 查看录像列表
|
|
get_list_record()
|
|
elif data == "record":
|
|
# 获取录像
|
|
get_record(msg, client)
|
|
elif data == "status":
|
|
# 查看运行状态
|
|
get_status(client)
|
|
else:
|
|
# 错误类型
|
|
client.publish('error', payload='No Such Type', qos=0)
|
|
except Exception as e:
|
|
pass
|
|
|
|
def start(self):
|
|
self.client.connect(self.broker, self.port)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
MQTT = MQTTClient('192.168.1.27', 1883, 'lot_mqtt')
|
|
while True:
|
|
try:
|
|
MQTT.start()
|
|
if MQTT.client.is_connected():
|
|
print("连接成功")
|
|
MQTT.client.loop_forever()
|
|
except:
|
|
print("重新连接")
|
|
time.sleep(1)
|
|
|