181 lines
7.7 KiB
Python
181 lines
7.7 KiB
Python
import json
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import time
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import asyncio
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from fastapi import WebSocket
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from handlers.audio_packet_parser import parse_packet
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from handlers.audio_session_handler import handle_websocket_data
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from services.audio_session import audio_session_manager
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from services.interrupt_handler import interrupt_handler
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from services.task_manager import task_manager
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from utils.logger import session_logger
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from handlers.prompt_sound_handler import handle_prompt_sound_request
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from handlers.session_cleanup_handler import handle_old_session_cleanup
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async def handle_websocket_messages(websocket: WebSocket, device_id: str):
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"""
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处理WebSocket连接中的所有消息
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Args:
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websocket: WebSocket连接
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device_id: 设备ID
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"""
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current_active_session = None
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first_audio_received_time = None
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while True:
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message = await websocket.receive()
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if not websocket.client_state.name == "CONNECTED":
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session_logger.info(
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device_id,
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"connection",
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"WebSocket连接已关闭，退出消息循环",
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)
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break
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if message["type"] == "websocket.receive":
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data = message["text"] if "text" in message else message["bytes"]
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if isinstance(data, str):
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await handle_text_message(websocket, device_id, data)
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else: # 处理二进制音频数据
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current_active_session, first_audio_received_time = await handle_binary_message(
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websocket,
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device_id,
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data,
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current_active_session,
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first_audio_received_time
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)
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elif message["type"] == "websocket.disconnect":
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break
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async def handle_text_message(websocket: WebSocket, device_id: str, text_data: str):
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"""处理文本消息"""
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if text_data.startswith("REQUEST_PROMPT_SOUND:"):
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prompt_type = text_data.split(":", 1)[1]
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if device_id:
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await handle_prompt_sound_request(device_id, prompt_type)
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elif text_data == "NETWORK_RESET_ACKNOWLEDGED":
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session_logger.info(device_id, "network", f"设备 {device_id} 确认网络重置")
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elif text_data.startswith("FIRMWARE_UPDATE_STATUS:"):
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status_info = text_data.split(":", 1)[1]
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parts = status_info.split(",")
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status_dict = {}
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for part in parts:
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if "=" in part:
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key, value = part.split("=", 1)
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status_dict[key.strip()] = value.strip()
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from services.device_update_manager import device_firmware_update_manager
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update_status = status_dict.get("status", "updating")
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progress = float(status_dict.get("progress", "0")) if "progress" in status_dict else 0.0
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await device_firmware_update_manager.update_firmware_progress(device_id, progress)
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if update_status in ["success", "failed", "completed"]:
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version = status_dict.get("version", "unknown")
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await device_firmware_update_manager.update_firmware_update(
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device_id,
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firmware_version=version,
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update_status=update_status
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)
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session_logger.info(device_id, "update", f"固件更新状态已保存: {update_status}, 进度: {progress}")
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elif text_data.startswith("FIRMWARE_VERSION:"):
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version_info = text_data.split(":", 1)[1].strip()
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session_logger.info(device_id, "update", f"收到设备固件版本: {version_info}")
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from services.device_update_manager import device_firmware_update_manager
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await device_firmware_update_manager.update_device_firmware_version(
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device_id,
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version_info
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)
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await device_firmware_update_manager.update_firmware_update(
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device_id,
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version_info,
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"success" # 收到版本信息说明设备当前状态正常
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)
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async def handle_binary_message(websocket: WebSocket, device_id: str, binary_data, current_active_session, first_audio_received_time):
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"""处理二进制音频消息"""
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session_key, session, packet_type, audio_data, sample_rate = await parse_packet(binary_data, websocket)
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if session:
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session.websocket = websocket
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session_id = session_key[1]
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if packet_type == 1: # 开始包
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current_active_session = await handle_start_packet(
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device_id, session_id, session_key, session, current_active_session
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)
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elif packet_type == 3: # 中断包
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current_active_session = await handle_interrupt_packet(
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device_id, session_id, session_key, session, current_active_session
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)
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elif packet_type == 2: # 结束包
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if current_active_session == session_key:
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current_active_session = None
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elif packet_type == 0 and first_audio_received_time is None:
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first_audio_received_time = time.perf_counter()
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session.start_time = first_audio_received_time
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session_logger.info(
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device_id, session_id, f"收到第一个音频数据包时间: {first_audio_received_time}"
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)
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await handle_websocket_data(websocket, session_key, session, packet_type, audio_data, sample_rate)
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return current_active_session, first_audio_received_time
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async def handle_start_packet(device_id, session_id, session_key, session, current_active_session):
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"""处理会话开始包"""
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if current_active_session and current_active_session[1] != session_id:
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old_session = await audio_session_manager.get_session(current_active_session)
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if old_session:
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session_logger.info(
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device_id,
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current_active_session[1],
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f"检测到新会话 {session_id}，优先中断旧会话 {current_active_session[1]}",
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)
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await interrupt_handler.set_interrupt_state(current_active_session, True)
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if hasattr(old_session.llm_service, "close"):
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await old_session.llm_service.close()
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if hasattr(old_session.tts_service, "close"):
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await old_session.tts_service.close()
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await task_manager.create_task(
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handle_old_session_cleanup(old_session, current_active_session),
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device_id=device_id,
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session_key=current_active_session,
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task_type="cleanup"
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)
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current_active_session = session_key
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await interrupt_handler.set_interrupt_state(session_key, False)
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if hasattr(session.llm_service, "closed"):
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session.llm_service.closed = False
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session_logger.info(device_id, session_id, f"设置当前活跃会话: {session_id}")
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await interrupt_handler.register_session(session_key)
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return current_active_session
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async def handle_interrupt_packet(device_id, session_id, session_key, session, current_active_session):
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"""处理中断包"""
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if current_active_session == session_key:
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current_active_session = None
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session_logger.info(device_id, session_id, "收到中断包，立即设置中断状态")
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await interrupt_handler.set_interrupt_state(session_key, True)
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if hasattr(session.llm_service, "closed"):
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session.llm_service.closed = True
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if interrupt_handler.is_processing_interrupt(session_key):
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session_logger.info(device_id, session_id, "检测到连续中断，中断请求将被排队")
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await task_manager.create_task(
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interrupt_handler.handle_interrupt(session_key),
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device_id=device_id,
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session_key=session_key,
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task_type="interrupt"
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)
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return current_active_session
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