129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
import asyncio
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import json
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import websockets
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import threading
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from video_task import function_A, function_B
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class Scene:
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def __init__(self, user):
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self.user = user
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self.active = False
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def turn_on(self):
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self.active = True
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def turn_off(self):
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self.active = False
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class AppScene(Scene):
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def __init__(self, user):
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super().__init__(user)
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self.name = "app"
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class WebScene(Scene):
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def __init__(self, user):
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super().__init__(user)
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self.name = "web"
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class ScreenScene(Scene):
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def __init__(self, user):
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super().__init__(user)
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self.name = "screen"
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class SceneManager:
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def __init__(self):
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self.users = {}
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def add_user(self, user):
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# 上锁
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if user not in self.users:
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self.users[user] = {"app": None, "web": None, "screen": None}
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def get_scene(self, user, scene_type):
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if user not in self.users:
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print(f"用户 {user} 不存在。")
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return None
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scene = self.users[user].get(scene_type)
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if scene is None:
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scene = self.create_scene(user, scene_type)
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return scene
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def create_scene(self, user, scene_type):
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if scene_type == "app":
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return AppScene(user)
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elif scene_type == "web":
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return WebScene(user)
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elif scene_type == "screen":
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return ScreenScene(user)
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else:
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print(f"未知的场景类型： {scene_type}")
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broker = 'mqtt.lihaink.cn'
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port = 1883
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APP = "app"
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SCREEN = "screen"
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WEB = "web"
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SCENE_NAME = "scene"
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user_sched = {}
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user_msg = {}
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user_scene = []
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scene_manager = SceneManager()
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async def handler(websocket, path):
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the_user_scene = None
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user_app_scene = None
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user_web_scene = None
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user_screen_scene = None
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try:
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# 在循环中等待客户端的消息
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async for message in websocket:
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user_msg[websocket] = message
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data = json.loads(message)
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username = data['username']
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scene_name = data[SCENE_NAME]
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scene_manager.add_user(username)
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the_user_scene = scene_manager.get_scene(username, scene_name)
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if the_user_scene.active is True:
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print("该用户的场景已经开启，那么不在开启了")
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continue
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user_app_scene = scene_manager.get_scene(username, "app")
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user_web_scene = scene_manager.get_scene(username, "web")
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user_screen_scene = scene_manager.get_scene(username, "screen")
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if user_app_scene.active is True or user_web_scene.active is True or user_screen_scene.active is True:
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the_user_scene.active = True
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print("已经有其他场景开启了，不需要再推流了!")
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continue
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# 如果该用户的场景没有开启，那么进行开启
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the_user_scene.active = True
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# 当接收到消息时调用函数A
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# response = await function_A(websocket, message)
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# await websocket.send(response)
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# 没有消息了，则首先关闭该用户的场景
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if the_user_scene is not None:
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the_user_scene.active = False
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# 查看该用户的所有场景是否在线,只有都不在线就关闭推流
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if user_app_scene is not None and user_app_scene is not None and user_app_scene is not None:
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if user_app_scene.active is False and user_web_scene.active is False and user_screen_scene.active is False:
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print("关闭场景" + the_user_scene)
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# await websocket.send(json.dumps({"code": 200, "msg": "开始关闭场景" + the_user_scene}, ensure_ascii=False))
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# await function_B(websocket, user_msg[websocket])
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except Exception as e:
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print(e)
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if __name__ == '__main__':
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# 启动WebSocket服务器
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start_server = websockets.serve(handler, "0.0.0.0", 8765)
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asyncio.get_event_loop().run_until_complete(start_server)
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asyncio.get_event_loop().run_forever()
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