mirror of
https://github.com/xinnan-tech/xiaozhi-esp32-server.git
synced 2026-07-22 23:23:55 +08:00
649 lines
28 KiB
Python
649 lines
28 KiB
Python
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 traceback
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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 plugins_func.loadplugins import auto_import_modules
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from config.logger import setup_logging
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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.utils.util import get_string_no_punctuation_or_emoji, extract_json_from_string, get_ip_info
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from concurrent.futures import ThreadPoolExecutor, TimeoutError
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from core.handle.sendAudioHandle import sendAudioMessage
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from core.handle.receiveAudioHandle import handleAudioMessage
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from core.handle.functionHandler import FunctionHandler
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from plugins_func.register import Action, ActionResponse
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from config.private_config import PrivateConfig
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from core.auth import AuthMiddleware, AuthenticationError
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from core.utils.auth_code_gen import AuthCodeGenerator
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from core.mcp.manager import MCPManager
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TAG = __name__
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auto_import_modules('plugins_func.functions')
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class TTSException(RuntimeError):
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pass
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class ConnectionHandler:
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def __init__(self, config: Dict[str, Any], _vad, _asr, _llm, _tts, _memory, _intent):
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self.config = config
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self.logger = setup_logging()
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self.auth = AuthMiddleware(config)
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self.websocket = None
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self.headers = None
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self.client_ip = None
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self.client_ip_info = {}
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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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# 客户端状态相关
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self.client_abort = False
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self.client_listen_mode = "auto"
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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.audio_play_queue = queue.Queue()
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self.executor = ThreadPoolExecutor(max_workers=10)
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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.memory = _memory
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self.intent = _intent
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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_no_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_index = -1
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self.tts_last_text_index = -1
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# iot相关变量
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self.iot_descriptors = {}
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self.cmd_exit = self.config["CMD_exit"]
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self.max_cmd_length = 0
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for cmd in self.cmd_exit:
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if len(cmd) > self.max_cmd_length:
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self.max_cmd_length = len(cmd)
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self.private_config = None
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self.auth_code_gen = AuthCodeGenerator.get_instance()
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self.is_device_verified = False # 添加设备验证状态标志
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self.close_after_chat = False # 是否在聊天结束后关闭连接
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self.use_function_call_mode = False
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if self.config["selected_module"]["Intent"] == 'function_call':
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self.use_function_call_mode = True
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self.mcp_manager = MCPManager(self)
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async def handle_connection(self, ws):
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try:
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# 获取并验证headers
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self.headers = dict(ws.request.headers)
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# 获取客户端ip地址
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self.client_ip = ws.remote_address[0]
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self.logger.bind(tag=TAG).info(f"{self.client_ip} conn - Headers: {self.headers}")
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# 进行认证
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await self.auth.authenticate(self.headers)
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device_id = self.headers.get("device-id", None)
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# 认证通过,继续处理
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self.websocket = ws
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self.session_id = str(uuid.uuid4())
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self.welcome_msg = self.config["xiaozhi"]
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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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# Load private configuration if device_id is provided
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bUsePrivateConfig = self.config.get("use_private_config", False)
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self.logger.bind(tag=TAG).info(f"bUsePrivateConfig: {bUsePrivateConfig}, device_id: {device_id}")
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if bUsePrivateConfig and device_id:
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try:
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self.private_config = PrivateConfig(device_id, self.config, self.auth_code_gen)
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await self.private_config.load_or_create()
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# 判断是否已经绑定
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owner = self.private_config.get_owner()
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self.is_device_verified = owner is not None
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if self.is_device_verified:
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await self.private_config.update_last_chat_time()
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llm, tts = self.private_config.create_private_instances()
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if all([llm, tts]):
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self.llm = llm
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self.tts = tts
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self.logger.bind(tag=TAG).info(f"Loaded private config and instances for device {device_id}")
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else:
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self.logger.bind(tag=TAG).error(f"Failed to create instances for device {device_id}")
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self.private_config = None
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except Exception as e:
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self.logger.bind(tag=TAG).error(f"Error initializing private config: {e}")
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self.private_config = None
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raise
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# 异步初始化
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self.executor.submit(self._initialize_components)
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# tts 消化线程
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tts_priority = threading.Thread(target=self._tts_priority_thread, daemon=True)
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tts_priority.start()
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# 音频播放 消化线程
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audio_play_priority = threading.Thread(target=self._audio_play_priority_thread, daemon=True)
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audio_play_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.bind(tag=TAG).info("客户端断开连接")
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await self.close()
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except AuthenticationError as e:
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self.logger.bind(tag=TAG).error(f"Authentication failed: {str(e)}")
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await ws.close()
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return
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except Exception as e:
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stack_trace = traceback.format_exc()
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self.logger.bind(tag=TAG).error(f"Connection error: {str(e)}-{stack_trace}")
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await ws.close()
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return
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finally:
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await self.memory.save_memory(self.dialogue.dialogue)
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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 handleTextMessage(self, message)
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elif isinstance(message, bytes):
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await handleAudioMessage(self, message)
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def _initialize_components(self):
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"""加载插件"""
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self.func_handler = FunctionHandler(self)
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"""加载提示词"""
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self.prompt = self.config["prompt"]
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if self.private_config:
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self.prompt = self.private_config.private_config.get("prompt", self.prompt)
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self.dialogue.put(Message(role="system", content=self.prompt))
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"""加载记忆"""
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device_id = self.headers.get("device-id", None)
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self.memory.init_memory(device_id, self.llm)
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self.intent.set_llm(self.llm)
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"""加载位置信息"""
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self.client_ip_info = get_ip_info(self.client_ip)
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if self.client_ip_info is not None and "city" in self.client_ip_info:
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self.logger.bind(tag=TAG).info(f"Client ip info: {self.client_ip_info}")
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self.prompt = self.prompt + f"\nuser location:{self.client_ip_info}"
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self.dialogue.update_system_message(self.prompt)
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"""加载MCP工具"""
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asyncio.run_coroutine_threadsafe(self.mcp_manager.initialize_servers(), self.loop)
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def change_system_prompt(self, prompt):
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self.prompt = prompt
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# 找到原来的role==system，替换原来的系统提示
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for m in self.dialogue.dialogue:
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if m.role == "system":
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m.content = prompt
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async def _check_and_broadcast_auth_code(self):
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"""检查设备绑定状态并广播认证码"""
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if not self.private_config.get_owner():
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auth_code = self.private_config.get_auth_code()
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if auth_code:
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# 发送验证码语音提示
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text = f"请在后台输入验证码：{' '.join(auth_code)}"
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self.recode_first_last_text(text)
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future = self.executor.submit(self.speak_and_play, text)
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self.tts_queue.put(future)
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return False
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return True
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def isNeedAuth(self):
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bUsePrivateConfig = self.config.get("use_private_config", False)
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if not bUsePrivateConfig:
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# 如果不使用私有配置，就不需要验证
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return False
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return not self.is_device_verified
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def chat(self, query):
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if self.isNeedAuth():
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self.llm_finish_task = True
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future = asyncio.run_coroutine_threadsafe(self._check_and_broadcast_auth_code(), self.loop)
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future.result()
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return True
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self.dialogue.put(Message(role="user", content=query))
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response_message = []
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processed_chars = 0 # 跟踪已处理的字符位置
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try:
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start_time = time.time()
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# 使用带记忆的对话
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future = asyncio.run_coroutine_threadsafe(self.memory.query_memory(query), self.loop)
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memory_str = future.result()
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self.logger.bind(tag=TAG).debug(f"记忆内容: {memory_str}")
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llm_responses = self.llm.response(
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self.session_id,
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self.dialogue.get_llm_dialogue_with_memory(memory_str)
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)
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except Exception as e:
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self.logger.bind(tag=TAG).error(f"LLM 处理出错 {query}: {e}")
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return None
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self.llm_finish_task = False
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text_index = 0
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for content in llm_responses:
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response_message.append(content)
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if self.client_abort:
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break
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end_time = time.time()
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self.logger.bind(tag=TAG).debug(f"大模型返回时间: {end_time - start_time} 秒, 生成token={content}")
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# 合并当前全部文本并处理未分割部分
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full_text = "".join(response_message)
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current_text = full_text[processed_chars:] # 从未处理的位置开始
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# 查找最后一个有效标点
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punctuations = ("。", "？", "！", "；", "：")
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last_punct_pos = -1
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for punct in punctuations:
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pos = current_text.rfind(punct)
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if pos > last_punct_pos:
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last_punct_pos = pos
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# 找到分割点则处理
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if last_punct_pos != -1:
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segment_text_raw = current_text[:last_punct_pos + 1]
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segment_text = get_string_no_punctuation_or_emoji(segment_text_raw)
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if segment_text:
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# 强制设置空字符，测试TTS出错返回语音的健壮性
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# if text_index % 2 == 0:
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# segment_text = " "
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text_index += 1
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self.recode_first_last_text(segment_text, text_index)
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future = self.executor.submit(self.speak_and_play, segment_text, text_index)
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self.tts_queue.put(future)
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processed_chars += len(segment_text_raw) # 更新已处理字符位置
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# 处理最后剩余的文本
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full_text = "".join(response_message)
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remaining_text = full_text[processed_chars:]
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if remaining_text:
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segment_text = get_string_no_punctuation_or_emoji(remaining_text)
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if segment_text:
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text_index += 1
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self.recode_first_last_text(segment_text, text_index)
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future = self.executor.submit(self.speak_and_play, segment_text, text_index)
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self.tts_queue.put(future)
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self.llm_finish_task = True
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self.dialogue.put(Message(role="assistant", content="".join(response_message)))
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self.logger.bind(tag=TAG).debug(json.dumps(self.dialogue.get_llm_dialogue(), indent=4, ensure_ascii=False))
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return True
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def chat_with_function_calling(self, query, tool_call=False):
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self.logger.bind(tag=TAG).debug(f"Chat with function calling start: {query}")
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"""Chat with function calling for intent detection using streaming"""
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if self.isNeedAuth():
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self.llm_finish_task = True
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future = asyncio.run_coroutine_threadsafe(self._check_and_broadcast_auth_code(), self.loop)
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future.result()
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return True
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if not tool_call:
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self.dialogue.put(Message(role="user", content=query))
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# Define intent functions
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functions = self.func_handler.get_functions()
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response_message = []
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processed_chars = 0 # 跟踪已处理的字符位置
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try:
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start_time = time.time()
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# 使用带记忆的对话
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future = asyncio.run_coroutine_threadsafe(self.memory.query_memory(query), self.loop)
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memory_str = future.result()
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# self.logger.bind(tag=TAG).info(f"对话记录: {self.dialogue.get_llm_dialogue_with_memory(memory_str)}")
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# 使用支持functions的streaming接口
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llm_responses = self.llm.response_with_functions(
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self.session_id,
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self.dialogue.get_llm_dialogue_with_memory(memory_str),
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functions=functions
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)
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except Exception as e:
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self.logger.bind(tag=TAG).error(f"LLM 处理出错 {query}: {e}")
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return None
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self.llm_finish_task = False
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text_index = 0
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# 处理流式响应
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tool_call_flag = False
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function_name = None
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function_id = None
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function_arguments = ""
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content_arguments = ""
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for response in llm_responses:
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content, tools_call = response
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if content is not None and len(content) > 0:
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if len(response_message) <= 0 and (content == "```" or "<tool_call>" in content):
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tool_call_flag = True
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if tools_call is not None:
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tool_call_flag = True
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if tools_call[0].id is not None:
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function_id = tools_call[0].id
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if tools_call[0].function.name is not None:
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function_name = tools_call[0].function.name
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if tools_call[0].function.arguments is not None:
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function_arguments += tools_call[0].function.arguments
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if content is not None and len(content) > 0:
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if tool_call_flag:
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content_arguments += content
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else:
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response_message.append(content)
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if self.client_abort:
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break
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end_time = time.time()
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self.logger.bind(tag=TAG).debug(f"大模型返回时间: {end_time - start_time} 秒, 生成token={content}")
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# 处理文本分段和TTS逻辑
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# 合并当前全部文本并处理未分割部分
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full_text = "".join(response_message)
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current_text = full_text[processed_chars:] # 从未处理的位置开始
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# 查找最后一个有效标点
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punctuations = ("。", "？", "！", "；", "：")
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last_punct_pos = -1
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for punct in punctuations:
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pos = current_text.rfind(punct)
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if pos > last_punct_pos:
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last_punct_pos = pos
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# 找到分割点则处理
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if last_punct_pos != -1:
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segment_text_raw = current_text[:last_punct_pos + 1]
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segment_text = get_string_no_punctuation_or_emoji(segment_text_raw)
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if segment_text:
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text_index += 1
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self.recode_first_last_text(segment_text, text_index)
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future = self.executor.submit(self.speak_and_play, segment_text, text_index)
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self.tts_queue.put(future)
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processed_chars += len(segment_text_raw) # 更新已处理字符位置
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# 处理function call
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if tool_call_flag:
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bHasError = False
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if function_id is None:
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a = extract_json_from_string(content_arguments)
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if a is not None:
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try:
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content_arguments_json = json.loads(a)
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function_name = content_arguments_json["name"]
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function_arguments = json.dumps(content_arguments_json["arguments"], ensure_ascii=False)
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function_id = str(uuid.uuid4().hex)
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except Exception as e:
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bHasError = True
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response_message.append(a)
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else:
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bHasError = True
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response_message.append(content_arguments)
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if bHasError:
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self.logger.bind(tag=TAG).error(f"function call error: {content_arguments}")
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else:
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function_arguments = json.loads(function_arguments)
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if not bHasError:
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self.logger.bind(tag=TAG).info(
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f"function_name={function_name}, function_id={function_id}, function_arguments={function_arguments}")
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function_call_data = {
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"name": function_name,
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"id": function_id,
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"arguments": function_arguments
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}
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# 处理MCP工具调用
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if self.mcp_manager.is_mcp_tool(function_name):
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result = self._handle_mcp_tool_call(function_call_data)
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else:
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# 处理系统函数
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result = self.func_handler.handle_llm_function_call(self, function_call_data)
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self._handle_function_result(result, function_call_data, text_index+1)
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# 处理最后剩余的文本
|
||
full_text = "".join(response_message)
|
||
remaining_text = full_text[processed_chars:]
|
||
if remaining_text:
|
||
segment_text = get_string_no_punctuation_or_emoji(remaining_text)
|
||
if segment_text:
|
||
text_index += 1
|
||
self.recode_first_last_text(segment_text, text_index)
|
||
future = self.executor.submit(self.speak_and_play, segment_text, text_index)
|
||
self.tts_queue.put(future)
|
||
|
||
# 存储对话内容
|
||
if len(response_message) > 0:
|
||
self.dialogue.put(Message(role="assistant", content="".join(response_message)))
|
||
|
||
self.llm_finish_task = True
|
||
self.logger.bind(tag=TAG).debug(json.dumps(self.dialogue.get_llm_dialogue(), indent=4, ensure_ascii=False))
|
||
|
||
return True
|
||
|
||
def _handle_mcp_tool_call(self, function_call_data):
|
||
function_arguments = function_call_data["arguments"]
|
||
function_name = function_call_data["name"]
|
||
try:
|
||
args_dict = function_arguments
|
||
if isinstance(function_arguments, str):
|
||
try:
|
||
args_dict = json.loads(function_arguments)
|
||
except json.JSONDecodeError:
|
||
self.logger.bind(tag=TAG).error(f"无法解析 function_arguments: {function_arguments}")
|
||
return ActionResponse(action=Action.REQLLM, result="参数解析失败", response="")
|
||
|
||
tool_result = asyncio.run_coroutine_threadsafe(self.mcp_manager.execute_tool(
|
||
function_name,
|
||
args_dict
|
||
), self.loop).result()
|
||
# meta=None content=[TextContent(type='text', text='北京当前天气:\n温度: 21°C\n天气: 晴\n湿度: 6%\n风向: 西北 风\n风力等级: 5级', annotations=None)] isError=False
|
||
content_text = ""
|
||
if tool_result is not None and tool_result.content is not None:
|
||
for content in tool_result.content:
|
||
content_type = content.type
|
||
if content_type == "text":
|
||
content_text = content.text
|
||
elif content_type == "image":
|
||
pass
|
||
|
||
if len(content_text) > 0:
|
||
return ActionResponse(action=Action.REQLLM, result=content_text, response="")
|
||
|
||
except Exception as e:
|
||
self.logger.bind(tag=TAG).error(f"MCP工具调用错误: {e}")
|
||
return ActionResponse(action=Action.REQLLM, result="工具调用出错", response="")
|
||
|
||
return ActionResponse(action=Action.REQLLM, result="工具调用出错", response="")
|
||
|
||
|
||
def _handle_function_result(self, result, function_call_data, text_index):
|
||
if result.action == Action.RESPONSE: # 直接回复前端
|
||
text = result.response
|
||
self.recode_first_last_text(text, text_index)
|
||
future = self.executor.submit(self.speak_and_play, text, text_index)
|
||
self.tts_queue.put(future)
|
||
self.dialogue.put(Message(role="assistant", content=text))
|
||
elif result.action == Action.REQLLM: # 调用函数后再请求llm生成回复
|
||
|
||
text = result.result
|
||
if text is not None and len(text) > 0:
|
||
function_id = function_call_data["id"]
|
||
function_name = function_call_data["name"]
|
||
function_arguments = function_call_data["arguments"]
|
||
self.dialogue.put(Message(role='assistant',
|
||
tool_calls=[{"id": function_id,
|
||
"function": {"arguments": function_arguments,
|
||
"name": function_name},
|
||
"type": 'function',
|
||
"index": 0}]))
|
||
|
||
self.dialogue.put(Message(role="tool", tool_call_id=function_id, content=text))
|
||
self.chat_with_function_calling(text, tool_call=True)
|
||
elif result.action == Action.NOTFOUND:
|
||
text = result.result
|
||
self.recode_first_last_text(text, text_index)
|
||
future = self.executor.submit(self.speak_and_play, text, text_index)
|
||
self.tts_queue.put(future)
|
||
self.dialogue.put(Message(role="assistant", content=text))
|
||
else:
|
||
text = result.result
|
||
self.recode_first_last_text(text, text_index)
|
||
future = self.executor.submit(self.speak_and_play, text, text_index)
|
||
self.tts_queue.put(future)
|
||
self.dialogue.put(Message(role="assistant", content=text))
|
||
|
||
def _tts_priority_thread(self):
|
||
while not self.stop_event.is_set():
|
||
text = None
|
||
try:
|
||
future = self.tts_queue.get()
|
||
if future is None:
|
||
continue
|
||
text = None
|
||
opus_datas, text_index, tts_file = [], 0, None
|
||
try:
|
||
self.logger.bind(tag=TAG).debug("正在处理TTS任务...")
|
||
tts_timeout = self.config.get("tts_timeout", 10)
|
||
tts_file, text, text_index = future.result(timeout=tts_timeout)
|
||
if text is None or len(text) <= 0:
|
||
self.logger.bind(tag=TAG).error(f"TTS出错：{text_index}: tts text is empty")
|
||
elif tts_file is None:
|
||
self.logger.bind(tag=TAG).error(f"TTS出错： file is empty: {text_index}: {text}")
|
||
else:
|
||
self.logger.bind(tag=TAG).debug(f"TTS生成：文件路径: {tts_file}")
|
||
if os.path.exists(tts_file):
|
||
opus_datas, duration = self.tts.audio_to_opus_data(tts_file)
|
||
else:
|
||
self.logger.bind(tag=TAG).error(f"TTS出错：文件不存在{tts_file}")
|
||
except TimeoutError:
|
||
self.logger.bind(tag=TAG).error("TTS超时")
|
||
except Exception as e:
|
||
self.logger.bind(tag=TAG).error(f"TTS出错: {e}")
|
||
if not self.client_abort:
|
||
# 如果没有中途打断就发送语音
|
||
self.audio_play_queue.put((opus_datas, text, text_index))
|
||
if self.tts.delete_audio_file and tts_file is not None and os.path.exists(tts_file):
|
||
os.remove(tts_file)
|
||
except Exception as e:
|
||
self.logger.bind(tag=TAG).error(f"TTS任务处理错误: {e}")
|
||
self.clearSpeakStatus()
|
||
asyncio.run_coroutine_threadsafe(
|
||
self.websocket.send(json.dumps({"type": "tts", "state": "stop", "session_id": self.session_id})),
|
||
self.loop
|
||
)
|
||
self.logger.bind(tag=TAG).error(f"tts_priority priority_thread: {text} {e}")
|
||
|
||
def _audio_play_priority_thread(self):
|
||
while not self.stop_event.is_set():
|
||
text = None
|
||
try:
|
||
opus_datas, text, text_index = self.audio_play_queue.get()
|
||
future = asyncio.run_coroutine_threadsafe(sendAudioMessage(self, opus_datas, text, text_index),
|
||
self.loop)
|
||
future.result()
|
||
except Exception as e:
|
||
self.logger.bind(tag=TAG).error(f"audio_play_priority priority_thread: {text} {e}")
|
||
|
||
def speak_and_play(self, text, text_index=0):
|
||
if text is None or len(text) <= 0:
|
||
self.logger.bind(tag=TAG).info(f"无需tts转换，query为空，{text}")
|
||
return None, text, text_index
|
||
tts_file = self.tts.to_tts(text)
|
||
if tts_file is None:
|
||
self.logger.bind(tag=TAG).error(f"tts转换失败，{text}")
|
||
return None, text, text_index
|
||
self.logger.bind(tag=TAG).debug(f"TTS 文件生成完毕: {tts_file}")
|
||
return tts_file, text, text_index
|
||
|
||
def clearSpeakStatus(self):
|
||
self.logger.bind(tag=TAG).debug(f"清除服务端讲话状态")
|
||
self.asr_server_receive = True
|
||
self.tts_last_text_index = -1
|
||
self.tts_first_text_index = -1
|
||
|
||
def recode_first_last_text(self, text, text_index=0):
|
||
if self.tts_first_text_index == -1:
|
||
self.logger.bind(tag=TAG).info(f"大模型说出第一句话: {text}")
|
||
self.tts_first_text_index = text_index
|
||
self.tts_last_text_index = text_index
|
||
|
||
async def close(self):
|
||
"""资源清理方法"""
|
||
# 清理MCP资源
|
||
await self.mcp_manager.cleanup_all()
|
||
|
||
# 清理其他资源
|
||
self.stop_event.set()
|
||
self.executor.shutdown(wait=False)
|
||
if self.websocket:
|
||
await self.websocket.close()
|
||
self.logger.bind(tag=TAG).info("连接资源已释放")
|
||
|
||
def reset_vad_states(self):
|
||
self.client_audio_buffer = bytes()
|
||
self.client_have_voice = False
|
||
self.client_have_voice_last_time = 0
|
||
self.client_voice_stop = False
|
||
self.logger.bind(tag=TAG).debug("VAD states reset.")
|
||
|
||
def chat_and_close(self, text):
|
||
"""Chat with the user and then close the connection"""
|
||
try:
|
||
# Use the existing chat method
|
||
self.chat(text)
|
||
|
||
# After chat is complete, close the connection
|
||
self.close_after_chat = True
|
||
except Exception as e:
|
||
self.logger.bind(tag=TAG).error(f"Chat and close error: {str(e)}")
|