refactor: introduce transport-neutral connection runtime

This commit is contained in:
caixypromise
2026-07-27 02:05:26 +08:00
parent f5ed1aaec8
commit 0c582ed3b6
56 changed files with 9931 additions and 237 deletions
@@ -0,0 +1,452 @@
import asyncio
import logging
import json
import websockets
from typing import Dict, Any, Optional
from config.logger import setup_logging
from core.services.connection_service import ConnectionService
from core.transport.websocket_transport import WebSocketTransport
from config.config_loader import get_config_from_api_async
from core.utils.util import check_vad_update, check_asr_update
from core.auth import AuthMiddleware, AuthenticationError
from core.utils.config_validation import validate_config_components
from core.providers.asr.shared_asr_manager import SharedASRManager
class SuppressInvalidHandshakeFilter(logging.Filter):
"""过滤掉无效握手错误日志(如HTTPS访问WS端口)"""
def filter(self, record):
msg = record.getMessage()
suppress_keywords = [
"opening handshake failed",
"did not receive a valid HTTP request",
"connection closed while reading HTTP request",
"line without CRLF",
]
return not any(keyword in msg for keyword in suppress_keywords)
def _setup_websockets_logger():
"""配置 websockets 相关的所有 logger,过滤无效握手错误"""
filter_instance = SuppressInvalidHandshakeFilter()
for logger_name in ["websockets", "websockets.server", "websockets.client"]:
ws_logger = logging.getLogger(logger_name)
ws_logger.addFilter(filter_instance)
_setup_websockets_logger()
logger = setup_logging()
TAG = __name__
class NewWebSocketServer:
"""
新的WebSocket服务器:使用新架构替代旧的ConnectionHandler
集成ConnectionService、MessageRouter和新的Processor架构
"""
def __init__(self, config: Dict[str, Any]):
self.config = config
self.logger = setup_logging()
self.config_lock = asyncio.Lock()
self.last_update_error = None
# 创建连接服务
self.connection_service = ConnectionService(config)
self.connection_service.server = self
# 活跃连接管理
self.active_connections = set()
# 认证中间件
self.auth_middleware = AuthMiddleware(config)
# 服务器实例和控制
self._server = None
self._stop_event = asyncio.Event()
self._started_event = asyncio.Event()
self._is_running = False
async def start(self):
"""启动WebSocket服务器"""
server_config = self.config["server"]
host = server_config.get("ip", "0.0.0.0")
port = int(server_config.get("port", 8000))
logger.bind(tag=TAG).info(f"启动新架构WebSocket服务器: {host}:{port}")
self._stop_event.clear()
self._started_event.clear()
try:
self._server = await websockets.serve(
self._handle_connection,
host,
port,
process_request=self._http_response
)
self._is_running = True
self._started_event.set()
logger.bind(tag=TAG).info("WebSocket服务器启动成功")
# 等待停止信号
await self._stop_event.wait()
except Exception as e:
logger.bind(tag=TAG).error(f"WebSocket服务器启动失败: {e}")
raise
finally:
self._is_running = False
self._started_event.clear()
async def stop(self):
"""停止WebSocket服务器"""
if not self._is_running:
logger.bind(tag=TAG).debug("WebSocket服务器未运行,无需停止")
return
logger.bind(tag=TAG).info("正在停止WebSocket服务器...")
# 关闭所有活跃连接
for transport in list(self.active_connections):
try:
await transport.close()
except Exception as e:
logger.bind(tag=TAG).error(f"关闭连接失败: {e}")
self.active_connections.clear()
# 关闭服务器
if self._server:
self._server.close()
try:
await asyncio.wait_for(self._server.wait_closed(), timeout=5.0)
except asyncio.TimeoutError:
logger.bind(tag=TAG).warning("等待服务器关闭超时")
self._server = None
# 发送停止信号
self._stop_event.set()
self._is_running = False
self._started_event.clear()
logger.bind(tag=TAG).info("WebSocket服务器已停止")
async def _handle_connection(self, websocket):
"""处理新连接 - 使用新架构"""
# 提取连接头信息
headers = self._extract_headers(websocket)
device_id = headers.get('device-id')
# 如果没有 device-id,提示并关闭连接
if not device_id:
await websocket.send("端口正常,如需测试连接,请使用test_page.html")
await websocket.close()
return
# 连接时认证
try:
await self._handle_auth(headers)
except AuthenticationError as e:
logger.bind(tag=TAG).warning(f"认证失败: {e}")
await websocket.send("认证失败")
await websocket.close()
return
# 创建WebSocket传输层
try:
protocol_version = int(headers.get('protocol-version', 1) or 1)
except (TypeError, ValueError):
protocol_version = 1
transport = WebSocketTransport(
websocket,
from_mqtt_gateway=headers.get('from_mqtt_gateway') == 'true',
protocol_version=protocol_version,
)
# 记录活跃连接
self.active_connections.add(transport)
try:
logger.bind(tag=TAG).info(
f"新连接建立: {device_id} from {headers.get('x-real-ip', 'unknown')}"
)
# 使用ConnectionService处理连接
await self.connection_service.handle_connection(transport, headers)
except websockets.exceptions.ConnectionClosed:
logger.bind(tag=TAG).info("WebSocket连接正常关闭")
except Exception as e:
logger.bind(tag=TAG).error(f"处理WebSocket连接时出错: {e}", exc_info=True)
# 将错误反馈给管理端,避免长时间等待
try:
if hasattr(websocket, "closed") and not websocket.closed:
await websocket.send(
json.dumps(
{
"type": "server",
"status": "error",
"message": f"Server error: {e}",
"content": {"action": "unknown"},
}
)
)
except Exception:
pass
finally:
# 确保从活动连接集合中移除
self.active_connections.discard(transport)
# 强制关闭连接(如果还没有关闭的话)
try:
if hasattr(websocket, "closed") and not websocket.closed:
await websocket.close()
elif hasattr(websocket, "state") and websocket.state.name != "CLOSED":
await websocket.close()
except Exception as close_error:
logger.bind(tag=TAG).error(f"强制关闭WebSocket连接时出错: {close_error}")
async def _handle_auth(self, headers: Dict[str, str]):
"""
连接时认证
Args:
headers: HTTP 请求头
Raises:
AuthenticationError: 认证失败时抛出
"""
await self.auth_middleware.authenticate_async(headers)
def _extract_headers(self, websocket) -> Dict[str, str]:
"""
从WebSocket请求中提取头信息
支持从以下来源提取信息:
1. HTTP 请求头
2. URL 查询参数(device-id, client-id, authorization
3. 路径参数(如 ?from=mqtt_gateway
"""
headers = {}
# 1. 提取 HTTP 请求头
if hasattr(websocket, 'request') and hasattr(websocket.request, 'headers'):
for name, value in websocket.request.headers.items():
headers[name.lower()] = value
elif hasattr(websocket, 'request_headers'):
for name, value in websocket.request_headers.items():
headers[name.lower()] = value
# 2. 提取路径参数(如果有的话)
request_path = None
if hasattr(websocket, 'request') and hasattr(websocket.request, 'path'):
request_path = websocket.request.path
elif hasattr(websocket, 'path'):
request_path = websocket.path
if request_path:
from urllib.parse import urlparse, parse_qs
parsed = urlparse(request_path)
query_params = parse_qs(parsed.query)
# 处理关键参数:device-id, client-id, authorization
key_params = ['device-id', 'client-id', 'authorization']
for key in key_params:
if key in query_params and query_params[key]:
# URL 参数优先级低于 header
if key not in headers or not headers[key]:
headers[key] = query_params[key][0]
# 处理其他参数
for key, values in query_params.items():
if values and key not in headers:
headers[key] = values[0]
# 检查是否来自 MQTT 网关
if request_path.endswith("?from=mqtt_gateway") or "from=mqtt_gateway" in request_path:
headers['from_mqtt_gateway'] = 'true'
# 3. 提取远程地址
if hasattr(websocket, 'remote_address'):
# 如果 headers 中没有 x-real-ip,使用 remote_address
if 'x-real-ip' not in headers:
headers['x-real-ip'] = websocket.remote_address[0]
return headers
async def _http_response(self, websocket, request_headers):
"""处理HTTP请求"""
# 检查是否为 WebSocket 升级请求
if request_headers.headers.get("connection", "").lower() == "upgrade":
# 如果是 WebSocket 请求,返回 None 允许握手继续
return None
else:
# 如果是普通 HTTP 请求,返回服务器状态
return websocket.respond(200, "New Architecture WebSocket Server is running\n")
async def apply_config(self, new_config: Dict[str, Any]) -> bool:
"""Apply a facade-validated config to future WebSocket connections."""
self.config = new_config
self.connection_service = ConnectionService(new_config)
self.connection_service.server = getattr(self, "management_owner", self)
self.auth_middleware = AuthMiddleware(new_config)
return True
async def update_config(
self, new_config: Optional[Dict[str, Any]] = None
) -> bool:
"""
更新服务器配置并重新初始化组件
Returns:
bool: 更新是否成功
"""
try:
async with self.config_lock:
logger.bind(tag=TAG).info("开始更新服务器配置")
self.last_update_error = None
old_config = self.config
old_connection_service = self.connection_service
old_auth_middleware = self.auth_middleware
# 管理命令可自行拉取配置;多协议管理器则直接传入已合并配置。
if new_config is None:
new_config = await get_config_from_api_async(self.config)
if new_config is None:
logger.bind(tag=TAG).error("获取新配置失败")
self.last_update_error = "获取新配置失败"
return False
logger.bind(tag=TAG).info("获取新配置成功")
new_shared_manager = None
reuse_manager = False
# 校验新配置(预初始化组件以发现配置错误)
ok, error_msg = await validate_config_components(new_config, logger)
if not ok:
logger.bind(tag=TAG).error(f"配置校验失败: {error_msg}")
self.last_update_error = f"配置校验失败: {error_msg}"
return False
# 准备共享 ASR 管理器(本地模型走共享预加载)
old_shared_manager = old_config.get("_shared_asr_manager")
selected_asr = new_config.get("selected_module", {}).get("ASR")
if selected_asr:
asr_config = new_config.get("ASR", {}).get(selected_asr, {})
asr_type = asr_config.get("type", selected_asr)
if SharedASRManager.is_local_model_type(asr_type):
if (
old_shared_manager
and getattr(old_shared_manager, "asr_type", None) == asr_type
and old_shared_manager.is_ready()
):
new_shared_manager = old_shared_manager
reuse_manager = True
else:
new_shared_manager = SharedASRManager(new_config, asr_type)
await new_shared_manager.initialize()
# 非本地模型时不立即关闭旧共享管理器,待更新成功后统一处理
# 检查 VAD 和 ASR 类型是否需要更新
update_vad = check_vad_update(self.config, new_config)
update_asr = check_asr_update(self.config, new_config)
logger.bind(tag=TAG).info(
f"检查VAD和ASR类型是否需要更新: VAD={update_vad}, ASR={update_asr}"
)
# 检查配置是否有重大变化
changed_configs = self._get_changed_configs(self.config, new_config)
# 更新配置
self.config = new_config
if new_shared_manager:
self.config["_shared_asr_manager"] = new_shared_manager
elif "_shared_asr_manager" in self.config:
del self.config["_shared_asr_manager"]
# 根据变化类型进行更新
if changed_configs:
logger.bind(tag=TAG).info(f"配置项变化: {', '.join(changed_configs)}")
# 重新创建连接服务,使用新配置
# 注意:已建立的连接会继续使用旧配置,只有新连接使用新配置
self.connection_service = ConnectionService(new_config)
self.connection_service.server = self
# 如果 ASR 配置变化且复用旧共享管理器,提示重启
if update_asr and reuse_manager:
logger.bind(tag=TAG).warning(
"ASR 配置已变化,但仍复用已有共享 ASR 管理器,建议重启服务"
)
else:
# 即使没有重大变化,也更新 ConnectionService 的配置引用
self.connection_service.config = new_config
self.connection_service.server = self
# 更新认证中间件
self.auth_middleware = AuthMiddleware(new_config)
# 更新成功后再关闭旧共享管理器(避免失败回滚时不可用)
if old_shared_manager and old_shared_manager is not new_shared_manager:
await old_shared_manager.shutdown()
logger.bind(tag=TAG).info("配置更新任务执行完毕")
return True
except Exception as e:
logger.bind(tag=TAG).error(f"更新服务器配置失败: {str(e)}", exc_info=True)
self.last_update_error = f"更新服务器配置失败: {str(e)}"
try:
if new_shared_manager and not reuse_manager:
await new_shared_manager.shutdown()
self.config = old_config
self.connection_service = old_connection_service
self.auth_middleware = old_auth_middleware
except Exception:
pass
return False
def get_last_update_error(self) -> str:
return self.last_update_error or ""
def _get_changed_configs(self, old_config: Dict[str, Any], new_config: Dict[str, Any]) -> list:
"""
获取变化的配置项列表
Returns:
list: 变化的配置项名称列表
"""
changed = []
key_configs = [
"selected_module",
"VAD",
"ASR",
"LLM",
"TTS",
"Memory",
"Intent"
]
for key in key_configs:
old_value = old_config.get(key)
new_value = new_config.get(key)
if old_value != new_value:
changed.append(key)
return changed
def get_active_connections_count(self) -> int:
"""获取活跃连接数"""
return len(self.active_connections)
def get_server_status(self) -> Dict[str, Any]:
"""获取服务器状态"""
return {
"active_connections": self.get_active_connections_count(),
"server_type": "new_architecture",
"processors": self.connection_service.message_router.list_processors()
}