mirror of
https://github.com/xinnan-tech/xiaozhi-esp32-server.git
synced 2026-07-25 00:23:53 +08:00
update:初始化上传
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hrz
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import os
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import json
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import uuid
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import time
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import queue
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import asyncio
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import logging
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import threading
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import websockets
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from typing import Dict, Any
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from collections import deque
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from core.utils.util import is_segment
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from core.utils.dialogue import Message, Dialogue
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from core.handle.textHandle import handleTextMessage
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from core.handle.helloHandle import handleHelloMessage
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from core.utils.util import get_string_no_punctuation_or_emoji
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from concurrent.futures import ThreadPoolExecutor, TimeoutError
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from core.handle.audioHandle import handleAudioMessage, sendAudioMessage
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class ConnectionHandler:
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def __init__(self, config: Dict[str, Any], _vad, _asr, _llm, _tts):
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self.config = config
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self.logger = logging.getLogger(__name__)
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self.websocket = None
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self.headers = None
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self.session_id = None
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self.prompt = None
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self.welcome_msg = None
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# 线程任务相关
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self.loop = asyncio.get_event_loop()
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self.stop_event = threading.Event()
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self.tts_queue = queue.Queue()
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self.executor = ThreadPoolExecutor(max_workers=10)
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self.scheduled_tasks = deque()
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# 依赖的组件
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self.vad = _vad
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self.asr = _asr
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self.llm = _llm
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self.tts = _tts
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self.dialogue = None
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# vad相关变量
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self.client_audio_buffer = bytes()
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self.client_have_voice = False
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self.client_have_voice_last_time = 0.0
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self.client_voice_stop = False
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# asr相关变量
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self.asr_audio = []
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self.asr_server_receive = True
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# llm相关变量
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self.llm_finish_task = False
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self.dialogue = Dialogue()
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# tts相关变量
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self.tts_first_text = None
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self.tts_last_text = None
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self.tts_start_speak_time = None
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self.tts_duration = 0
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async def handle_connection(self, ws):
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self.websocket = ws
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"""处理单个WebSocket连接"""
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self.headers = dict(self.websocket.request.headers)
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self.logger.info(f"连接建立，请求头：\n{self.headers}")
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self.welcome_msg = self.config["xiaozhi"]
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self.session_id = str(uuid.uuid4())
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self.welcome_msg["session_id"] = self.session_id
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await self.websocket.send(json.dumps(self.welcome_msg))
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await self.loop.run_in_executor(None, self._initialize_components)
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tts_priority = threading.Thread(target=self._priority_thread, daemon=True)
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tts_priority.start()
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try:
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async for message in self.websocket:
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await self._route_message(message)
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except websockets.exceptions.ConnectionClosed:
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self.logger.info("客户端断开连接")
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await self.close()
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async def _route_message(self, message):
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"""消息路由"""
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if isinstance(message, str):
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await self._handle_text(message)
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elif isinstance(message, bytes):
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await handleAudioMessage(self, message)
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async def _handle_text(self, message):
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"""处理文本消息"""
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self.logger.info(f"收到文本消息：{message}")
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try:
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msg_json = json.loads(message)
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if msg_json["type"] == "hello":
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await handleHelloMessage(self, "你好")
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except json.JSONDecodeError:
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await handleTextMessage(self, message)
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def _initialize_components(self):
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self.prompt = self.config["prompt"]
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# 赋予LLM时间观念
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if "{date_time}" in self.prompt:
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date_time = time.strftime("%Y-%m-%d %H:%M", time.localtime())
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self.prompt = self.prompt.replace("{date_time}", date_time)
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self.dialogue.put(Message(role="user", content=self.prompt))
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def chat(self, query):
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self.dialogue.put(Message(role="user", content=query))
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response_message = []
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start = 0
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# 提交 LLM 任务
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try:
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start_time = time.time() # 记录开始时间
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llm_responses = self.llm.response(self, self.dialogue.get_llm_dialogue())
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except Exception as e:
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self.logger.error(f"LLM 处理出错 {query}: {e}")
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return None
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# 提交 TTS 任务到线程池
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self.llm_finish_task = False
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for content in llm_responses:
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response_message.append(content)
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end_time = time.time() # 记录结束时间
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self.logger.debug(f"大模型返回时间时间: {end_time - start_time} 秒, 生成token={content}")
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if is_segment(response_message):
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segment_text = "".join(response_message[start:])
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segment_text = get_string_no_punctuation_or_emoji(segment_text)
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if len(segment_text) > 0:
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self.recode_first_last_text(segment_text)
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future = self.executor.submit(self.speak_and_play, segment_text)
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self.tts_queue.put(future)
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start = len(response_message)
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# 处理剩余的响应
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if start < len(response_message):
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segment_text = "".join(response_message[start:])
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self.recode_first_last_text(segment_text)
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future = self.executor.submit(self.speak_and_play, segment_text)
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self.tts_queue.put(future)
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self.llm_finish_task = True
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# 更新对话
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self.dialogue.put(Message(role="assistant", content="".join(response_message)))
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self.logger.debug(json.dumps(self.dialogue.get_llm_dialogue(), indent=4, ensure_ascii=False))
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return True
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def _priority_thread(self):
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while not self.stop_event.is_set():
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text = None
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try:
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future = self.tts_queue.get()
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text = None
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try:
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tts_file, text = future.result(timeout=10)
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if os.path.exists(tts_file):
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opus_datas, duration = self.tts.wav_to_opus_data(tts_file)
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else:
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opus_datas = []
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duration = 0
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except TimeoutError:
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self.logger.error("TTS 任务超时")
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continue
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except Exception as e:
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self.logger.error(f"TTS 任务出错: {e}")
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continue
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asyncio.run_coroutine_threadsafe(
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sendAudioMessage(self, opus_datas, duration, text), self.loop
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)
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if self.tts.delete_audio_file and os.path.exists(tts_file):
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os.remove(tts_file)
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except Exception as e:
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self.clearSpeakStatus()
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asyncio.run_coroutine_threadsafe(
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self.websocket.send(json.dumps({"type": "tts", "state": "stop", "session_id": self.session_id})),
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self.loop
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)
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self.logger.error(f"tts_priority priority_thread: {text}{e}")
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def speak_and_play(self, text):
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if text is None or len(text) <= 0:
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self.logger.info(f"无需tts转换，query为空，{text}")
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return None
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tts_file = self.tts.to_tts(text)
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if tts_file is None:
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self.logger.error(f"tts转换失败，{text}")
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return None
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self.logger.debug(f"TTS 文件生成完毕")
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return tts_file, text
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def clearSpeakStatus(self):
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self.logger.debug(f"清除服务端讲话状态")
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self.asr_server_receive = True
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self.tts_last_text = None
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self.tts_first_text = None
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self.tts_duration = 0
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self.tts_start_speak_time = None
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def recode_first_last_text(self, text):
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if not self.tts_first_text:
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self.tts_first_text = text
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self.tts_last_text = text
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async def close(self):
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"""资源清理方法"""
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self.stop_event.set()
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self.executor.shutdown(wait=False)
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if self.websocket:
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await self.websocket.close()
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self.logger.info("连接资源已释放")
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def reset_vad_states(self):
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self.client_audio_buffer = bytes()
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self.client_have_voice = False
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self.client_have_voice_last_time = 0
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self.client_voice_stop = False
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self.logger.debug("VAD states reset.")
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def stop_all_tasks(self):
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while self.scheduled_tasks:
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task = self.scheduled_tasks.popleft()
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task.cancel()
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self.scheduled_tasks.clear()
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