优化代码风格
This commit is contained in:
80
ws/ws.py
80
ws/ws.py
@ -21,7 +21,7 @@ WS_ENDPOINT = "/ws" # WebSocket端点路径
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FRAME_QUEUE_SIZE = 1 # 帧队列大小限制
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# 工具函数:获取格式化时间字符串(统一时间戳格式)
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# 工具函数: 获取格式化时间字符串(统一时间戳格式)
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def get_current_time_str() -> str:
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return datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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@ -65,32 +65,32 @@ class ClientConnection:
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"client_ip": self.client_ip
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}
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await self.websocket.send_json(frame_permit_msg)
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:已发送帧发送许可信号(取帧后立即通知)")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 已发送帧发送许可信号(取帧后立即通知)")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:帧许可信号发送失败 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 帧许可信号发送失败 - {str(e)}")
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async def consume_frames(self) -> None:
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"""消费队列中的帧并处理(核心调整:取帧后立即发许可,再处理帧)"""
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"""消费队列中的帧并处理(核心调整: 取帧后立即发许可、再处理帧)"""
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try:
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while True:
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# 1. 从队列取出帧(阻塞直到有帧可用)
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frame_data = await self.frame_queue.get()
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# -------------------------- 核心修改:取出帧后立即发送下一帧许可 --------------------------
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await self.send_frame_permit() # 取帧即通知客户端发下一帧,无需等处理完成
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# -------------------------- 核心修改: 取出帧后立即发送下一帧许可 --------------------------
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await self.send_frame_permit() # 取帧即通知客户端发下一帧、无需等处理完成
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# -----------------------------------------------------------------------------------------
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try:
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# 2. 处理取出的帧(即使处理慢,客户端也已收到许可,可提前准备下一帧)
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# 2. 处理取出的帧(即使处理慢、客户端也已收到许可、可提前准备下一帧)
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await self.process_frame(frame_data)
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finally:
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# 3. 标记帧任务完成(无论处理成功/失败,都需清理队列)
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# 3. 标记帧任务完成(无论处理成功/失败、都需清理队列)
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self.frame_queue.task_done()
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except asyncio.CancelledError:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:帧消费任务已取消")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 帧消费任务已取消")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:帧消费逻辑错误 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 帧消费逻辑错误 - {str(e)}")
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async def process_frame(self, frame_data: bytes) -> None:
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"""处理单帧图像数据(检测违规后发送危险通知 + 调用违规次数加一方法)"""
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@ -98,31 +98,31 @@ class ClientConnection:
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nparr = np.frombuffer(frame_data, np.uint8)
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img = cv2.imdecode(nparr, cv2.IMREAD_COLOR)
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if img is None:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:无法解析图像数据")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 无法解析图像数据")
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return
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# 确保图像保存目录存在
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os.makedirs('images', exist_ok=True)
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# 保存图像(按IP+时间戳命名,避免冲突)
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# 保存图像(按IP+时间戳命名、避免冲突)
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filename = f"images/{self.client_ip.replace('.', '_')}_{get_current_time_file_str()}.jpg"
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try:
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cv2.imwrite(filename, img)
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print(f"[{get_current_time_str()}] 图像已保存至:{filename}")
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print(f"[{get_current_time_str()}] 图像已保存至: {filename}")
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has_violation, data, type = detect(img)
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print(has_violation)
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print(type)
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print(data)
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if has_violation:
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print(
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f"[{get_current_time_str()}] 客户端{self.client_ip}:检测到违规 - 类型: {type}, 详情: {data}")
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f"[{get_current_time_str()}] 客户端{self.client_ip}: 检测到违规 - 类型: {type}, 详情: {data}")
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# 调用违规次数加一方法
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try:
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await asyncio.to_thread(increment_alarm_count_by_ip, self.client_ip)
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:违规次数已+1")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 违规次数已+1")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:违规次数更新失败 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 违规次数更新失败 - {str(e)}")
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# 发送「危险通知」
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danger_msg = {
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@ -132,9 +132,9 @@ class ClientConnection:
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}
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await self.websocket.send_json(danger_msg)
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else:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:未检测到违规")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 未检测到违规")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}:图像处理错误 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{self.client_ip}: 图像处理错误 - {str(e)}")
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# 全局状态管理
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@ -149,7 +149,7 @@ async def heartbeat_checker():
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timeout_ips = [ip for ip, conn in connected_clients.items() if not conn.is_alive()]
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if timeout_ips:
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print(f"[{current_time}] 心跳检查:{len(timeout_ips)}个客户端超时(IP:{timeout_ips})")
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print(f"[{current_time}] 心跳检查: {len(timeout_ips)}个客户端超时(IP: {timeout_ips})")
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for ip in timeout_ips:
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try:
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conn = connected_clients[ip]
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@ -162,13 +162,13 @@ async def heartbeat_checker():
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await asyncio.to_thread(update_online_status_by_ip, ip, 0)
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action_data = DeviceActionCreate(client_ip=ip, action=0)
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await asyncio.to_thread(add_device_action, action_data)
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print(f"[{current_time}] 客户端{ip}:已标记为离线并记录操作")
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print(f"[{current_time}] 客户端{ip}: 已标记为离线并记录操作")
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except Exception as e:
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print(f"[{current_time}] 客户端{ip}:离线状态更新失败 - {str(e)}")
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print(f"[{current_time}] 客户端{ip}: 离线状态更新失败 - {str(e)}")
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finally:
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connected_clients.pop(ip, None)
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else:
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print(f"[{current_time}] 心跳检查:{len(connected_clients)}个客户端在线")
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print(f"[{current_time}] 心跳检查: {len(connected_clients)}个客户端在线")
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await asyncio.sleep(HEARTBEAT_INTERVAL)
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@ -178,7 +178,7 @@ async def heartbeat_checker():
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async def lifespan(app: FastAPI):
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global heartbeat_task
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heartbeat_task = asyncio.create_task(heartbeat_checker())
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print(f"[{get_current_time_str()}] 全局心跳检查任务启动(任务ID:{id(heartbeat_task)})")
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print(f"[{get_current_time_str()}] 全局心跳检查任务启动(任务ID: {id(heartbeat_task)})")
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yield
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if heartbeat_task and not heartbeat_task.done():
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heartbeat_task.cancel()
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@ -198,11 +198,11 @@ async def send_heartbeat_ack(conn: ClientConnection):
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"client_ip": conn.client_ip
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}
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await conn.websocket.send_json(heartbeat_ack_msg)
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:已发送心跳确认")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 已发送心跳确认")
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return True
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except Exception as e:
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connected_clients.pop(conn.client_ip, None)
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:心跳确认发送失败 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 心跳确认发送失败 - {str(e)}")
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return False
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@ -213,17 +213,17 @@ async def handle_text_msg(conn: ClientConnection, text: str):
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conn.update_heartbeat()
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await send_heartbeat_ack(conn)
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else:
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:未知文本消息类型({msg.get('type')})")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 未知文本消息类型({msg.get('type')})")
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except json.JSONDecodeError:
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:无效JSON文本消息")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 无效JSON文本消息")
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async def handle_binary_msg(conn: ClientConnection, data: bytes):
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try:
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conn.frame_queue.put_nowait(data)
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:图像数据({len(data)}字节)已加入队列")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 图像数据({len(data)}字节)已加入队列")
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except asyncio.QueueFull:
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}:帧队列已满,丢弃当前图像数据")
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print(f"[{get_current_time_str()}] 客户端{conn.client_ip}: 帧队列已满、丢弃当前图像数据")
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# WebSocket路由配置
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@ -237,7 +237,7 @@ async def websocket_endpoint(websocket: WebSocket):
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await websocket.accept()
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client_ip = websocket.client.host if websocket.client else "unknown_ip"
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current_time = get_current_time_str()
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print(f"[{current_time}] 客户端{client_ip}:WebSocket连接已建立")
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print(f"[{current_time}] 客户端{client_ip}: WebSocket连接已建立")
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is_online_updated = False
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@ -249,13 +249,13 @@ async def websocket_endpoint(websocket: WebSocket):
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old_conn.consumer_task.cancel()
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await old_conn.websocket.close(code=1008, reason="同一IP新连接建立")
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connected_clients.pop(client_ip)
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print(f"[{current_time}] 客户端{client_ip}:已关闭旧连接")
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print(f"[{current_time}] 客户端{client_ip}: 已关闭旧连接")
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# 注册新连接
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new_conn = ClientConnection(websocket, client_ip)
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connected_clients[client_ip] = new_conn
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new_conn.start_consumer()
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# 初始许可:连接建立后立即发一次,让客户端知道可发第一帧(后续靠取帧后自动发)
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# 初始许可: 连接建立后立即发一次、让客户端知道可发第一帧(后续靠取帧后自动发)
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await new_conn.send_frame_permit()
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# 标记上线并记录
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@ -263,12 +263,12 @@ async def websocket_endpoint(websocket: WebSocket):
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await asyncio.to_thread(update_online_status_by_ip, client_ip, 1)
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action_data = DeviceActionCreate(client_ip=client_ip, action=1)
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await asyncio.to_thread(add_device_action, action_data)
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print(f"[{current_time}] 客户端{client_ip}:已标记为在线并记录操作")
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print(f"[{current_time}] 客户端{client_ip}: 已标记为在线并记录操作")
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is_online_updated = True
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except Exception as e:
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print(f"[{current_time}] 客户端{client_ip}:上线状态更新失败 - {str(e)}")
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print(f"[{current_time}] 客户端{client_ip}: 上线状态更新失败 - {str(e)}")
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print(f"[{current_time}] 客户端{client_ip}:新连接注册成功,在线数:{len(connected_clients)}")
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print(f"[{current_time}] 客户端{client_ip}: 新连接注册成功、在线数: {len(connected_clients)}")
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# 消息循环
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while True:
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@ -279,9 +279,9 @@ async def websocket_endpoint(websocket: WebSocket):
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await handle_binary_msg(new_conn, data["bytes"])
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except WebSocketDisconnect as e:
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print(f"[{get_current_time_str()}] 客户端{client_ip}:主动断开连接(代码:{e.code})")
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print(f"[{get_current_time_str()}] 客户端{client_ip}: 主动断开连接(代码: {e.code})")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{client_ip}:连接异常 - {str(e)[:50]}")
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print(f"[{get_current_time_str()}] 客户端{client_ip}: 连接异常 - {str(e)[:50]}")
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finally:
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# 清理资源并标记离线
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if client_ip in connected_clients:
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@ -295,9 +295,9 @@ async def websocket_endpoint(websocket: WebSocket):
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await asyncio.to_thread(update_online_status_by_ip, client_ip, 0)
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action_data = DeviceActionCreate(client_ip=client_ip, action=0)
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await asyncio.to_thread(add_device_action, action_data)
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print(f"[{get_current_time_str()}] 客户端{client_ip}:断开后已标记为离线")
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print(f"[{get_current_time_str()}] 客户端{client_ip}: 断开后已标记为离线")
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except Exception as e:
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print(f"[{get_current_time_str()}] 客户端{client_ip}:断开后离线更新失败 - {str(e)}")
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print(f"[{get_current_time_str()}] 客户端{client_ip}: 断开后离线更新失败 - {str(e)}")
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connected_clients.pop(client_ip, None)
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print(f"[{get_current_time_str()}] 客户端{client_ip}:资源已清理,在线数:{len(connected_clients)}")
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print(f"[{get_current_time_str()}] 客户端{client_ip}: 资源已清理、在线数: {len(connected_clients)}")
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Block a user