Kris
b8ac375e8e
本次提交包含多项核心功能迭代与优化： 1. 新增KF客服会话类型，完善聊天类型枚举 2. 新增消息撤回操作类型与身份置信度排序方法 3. 新增控制面结果DTO与敏感字段注册表端口 4. 新增身份合并回滚、重试失败投递目标等业务能力 5. 优化Outbox投递逻辑与熔断器状态判断 6. 修复部分代码冗余与类型不匹配问题 7. 新增数据库索引并发创建与路由绑定清理逻辑 8. 优化会话关闭服务与插件重载并发控制
740 lines
28 KiB
Python
740 lines
28 KiB
Python
"""入站传输管理器。
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统一管理 PullerWorker 和 StreamWorker 的生命周期，订阅账号上下线事件，
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动态启动/停止账号的传输任务。
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"""
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from __future__ import annotations
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import asyncio
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import uuid
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from collections.abc import Awaitable, Callable
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from typing import Any
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from yuxi.channels.application.transport.base_worker import (
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TransportConfig,
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)
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from yuxi.channels.application.transport.puller_worker import PullerWorker
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from yuxi.channels.application.transport.stream_worker import StreamWorker
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from yuxi.channels.contract.dtos.channel import AccountFilter, AccountStatus, ChannelType
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from yuxi.channels.contract.dtos.health import TransportHealthSnapshot
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from yuxi.channels.contract.dtos.plugin import DomainEvent, EventHandler
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from yuxi.channels.contract.plugin.extension_point import EventSubscription
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from yuxi.channels.contract.plugin.manifest import FailurePolicy
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from yuxi.channels.contract.ports.driven import (
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ConfigPort,
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LoggerPort,
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PersistencePort,
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)
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from yuxi.channels.core.registry import PluginRegistry
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__all__ = ["TransportManager"]
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# 管理循环的轮询间隔（秒）：仅用于等待取消信号，不参与业务逻辑
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_MANAGER_LOOP_INTERVAL_S: float = 1.0
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class TransportManager:
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"""入站传输全局管理器。
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单例模式管理 PullerWorker 和 StreamWorker，订阅 ChannelAccountOnline/Offline
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事件，根据 transport_mode 与适配器能力动态启动/停止对应账号的传输任务
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（Task 11：pull 仅 Puller、stream 仅 Stream、both 优先 Stream 降级 Puller）。
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职责：
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- 从 PluginRegistry 动态构建 puller/stream 适配器注册表
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- 创建并管理 PullerWorker、StreamWorker 单例
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- 订阅账号上下线事件，驱动 Worker 启动/停止账号任务
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- 提供全局健康状态查询
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- 优雅关停所有传输任务
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"""
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def __init__(
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self,
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*,
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plugin_registry: PluginRegistry,
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persistence_port: PersistencePort,
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config_port: ConfigPort,
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event_bus: Any,
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circuit_breaker: Any,
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logger: LoggerPort,
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message_deliverer: Callable[[Any], Awaitable[Any]],
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transport_config: TransportConfig | None = None,
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) -> None:
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"""初始化 TransportManager。
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参数：
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plugin_registry: 插件注册表，用于动态获取渠道适配器。
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persistence_port: 持久化端口，用于游标持久化等。
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config_port: 配置端口。
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event_bus: 事件总线，用于订阅/发布事件。
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circuit_breaker: 熔断器实例。
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logger: 日志端口。
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message_deliverer: 入站消息投递回调。
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transport_config: 传输配置，为 None 时使用默认配置。
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"""
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self._plugin_registry = plugin_registry
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self._persistence_port = persistence_port
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self._config_port = config_port
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self._event_bus = event_bus
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self._circuit_breaker = circuit_breaker
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self._logger = logger
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self._message_deliverer = message_deliverer
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self._config = transport_config or TransportConfig()
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self._puller_registry: dict[ChannelType, Any] = {}
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self._stream_connector_registry: dict[ChannelType, Any] = {}
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self._puller_worker: PullerWorker | None = None
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self._stream_worker: StreamWorker | None = None
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self._manager_task: asyncio.Task[None] | None = None
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self._running: bool = False
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self._plugin_id = "transport-manager"
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# H-14：恢复扫描与配置热更新互斥锁（进程内，防同进程竞态）
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self._restore_lock = asyncio.Lock()
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async def start(self) -> None:
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"""启动传输管理器。
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- 构建 puller_registry 和 stream_connector_registry
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- 创建 PullerWorker 和 StreamWorker 实例
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- 启动 Worker
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- 订阅账号上下线事件
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- 启动管理循环任务
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"""
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if self._running:
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return
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trace_id = str(uuid.uuid4())
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puller_registry: dict[ChannelType, Any] = {}
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stream_connector_registry: dict[ChannelType, Any] = {}
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for channel_type, plugin_da in self._plugin_registry.listPluginAdapters():
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if plugin_da.puller_adapters:
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puller_registry[channel_type] = plugin_da.puller_adapters[0]
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if plugin_da.stream_connector_adapters:
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stream_connector_registry[channel_type] = plugin_da.stream_connector_adapters[0]
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self._puller_registry = puller_registry
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self._stream_connector_registry = stream_connector_registry
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self._puller_worker = PullerWorker(
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message_deliverer=self._message_deliverer,
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logger=self._logger,
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config_port=self._config_port,
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event_publisher=self._event_bus,
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circuit_breaker=self._circuit_breaker,
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persistence_port=self._persistence_port,
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config=self._config,
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)
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self._stream_worker = StreamWorker(
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message_deliverer=self._message_deliverer,
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logger=self._logger,
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config_port=self._config_port,
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event_publisher=self._event_bus,
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circuit_breaker=self._circuit_breaker,
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config=self._config,
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)
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await self._puller_worker.start()
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await self._stream_worker.start()
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self._registerEventHandlers()
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self._running = True
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self._manager_task = asyncio.create_task(
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self._manager_loop(),
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name="transport-manager-loop",
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)
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await self._logger.info(
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"transport manager started",
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trace_id=trace_id,
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puller_channels=[ct for ct in puller_registry.keys()],
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stream_channels=[ct for ct in stream_connector_registry.keys()],
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)
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# 重启恢复：扫描 DB 中 ACTIVE 状态账号，为每个账号启动传输任务。
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# 系统重启后不会收到 ChannelAccountOnline 事件，必须主动恢复，
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# 否则已上线账号的传输任务（SSE/短轮询）不会启动。
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await self._restoreOnlineAccounts(trace_id)
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async def stop(self, timeout: float = 5.0) -> None:
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"""停止传输管理器。
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- 取消事件订阅
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- 取消管理循环任务
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- 停止所有 Worker
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- 等待所有任务完成
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参数：
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timeout: 等待 Worker 停止的超时时间（秒）。
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"""
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if not self._running:
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return
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trace_id = str(uuid.uuid4())
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self._running = False
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self._unregisterEventHandlers()
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if self._manager_task is not None and not self._manager_task.done():
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self._manager_task.cancel()
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try:
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await self._manager_task
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except asyncio.CancelledError:
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pass
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self._manager_task = None
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if self._puller_worker is not None:
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await self._puller_worker.stop(timeout)
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self._puller_worker = None
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if self._stream_worker is not None:
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await self._stream_worker.stop(timeout)
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self._stream_worker = None
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await self._logger.info(
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"transport manager stopped",
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trace_id=trace_id,
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)
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def getHealth(self) -> TransportHealthSnapshot:
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"""返回传输引擎健康状态（同步，向后兼容）。
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返回：
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``TransportHealthSnapshot``，包含 running 状态和各 Worker 健康
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子状态（``WorkerHealthSnapshot``）。
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"""
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return TransportHealthSnapshot(
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running=self._running,
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puller=self._puller_worker.getHealth() if self._puller_worker else None,
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stream=self._stream_worker.getHealth() if self._stream_worker else None,
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)
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async def getTransportHealth(self) -> TransportHealthSnapshot:
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"""返回传输引擎健康状态（实现 TransportHealthPort，FR-18）。
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供 ``HealthAggregator`` 通过 ``TransportHealthPort`` 聚合，暴露每个
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账号的运行状态（running/backoff/stopped/error）。实现幂等、无副作用，
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不抛异常阻塞调用方。
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返回：
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``TransportHealthSnapshot``，结构见 ``TransportHealthPort`` 协议
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文档。异常时降级返回 ``puller`` / ``stream`` 为 ``None`` 的快照。
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"""
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try:
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return self.getHealth()
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except Exception as exc:
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# 健康检查不得抛异常阻塞调用方（与 HealthAggregator 超时降级策略一致）
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await self._logger.warn(
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"transport health query failed, returning empty state",
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error=str(exc),
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)
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return TransportHealthSnapshot(
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running=self._running,
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puller=None,
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stream=None,
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)
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async def _manager_loop(self) -> None:
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"""管理循环，等待取消信号。"""
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try:
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while self._running:
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await asyncio.sleep(_MANAGER_LOOP_INTERVAL_S)
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except asyncio.CancelledError:
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pass
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def _registerEventHandlers(self) -> None:
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"""注册事件处理器。"""
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type="ChannelAccountOnline",
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handler=_AccountEventHandler(self._on_account_online),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type="ChannelAccountOffline",
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handler=_AccountEventHandler(self._on_account_offline),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type="ChannelDegraded",
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handler=_AccountEventHandler(self._on_channel_degraded),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type="ChannelRecovered",
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handler=_AccountEventHandler(self._on_channel_recovered),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type="TransportErrorOccurred",
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handler=_AccountEventHandler(self._on_transport_error),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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# 配置热更新订阅（FR-04）：transport.* 配置变更时应用 hot/restart 策略
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for config_event in ("ConfigChanged", "ConfigRollback"):
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self._event_bus.register(
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self._plugin_id,
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EventSubscription(
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event_type=config_event,
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handler=_AccountEventHandler(self._on_config_changed),
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priority=100,
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failure_policy=FailurePolicy.DEGRADE,
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),
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)
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def _unregisterEventHandlers(self) -> None:
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"""取消事件订阅。"""
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self._event_bus.unregister(self._plugin_id)
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async def _on_account_online(self, event: DomainEvent) -> None:
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"""处理账号上线事件。
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从事件 payload 获取 channel_type 和 account_id，根据 transport_mode
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与适配器能力选择启动 Puller 或 Stream 任务（Task 11.1 + 11.2）：
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- ``pull``: 仅启动 Puller
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- ``stream``: 仅启动 Stream
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- ``both``: 优先 Stream，Puller 作为降级（Stream 适配器不可用时启动）
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参数：
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event: ChannelAccountOnline 事件。
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"""
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trace_id = event.trace_id or str(uuid.uuid4())
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channel_type_raw = event.payload.get("channel_type")
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account_id = event.payload.get("account_id")
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if channel_type_raw is None or account_id is None:
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await self._logger.warn(
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"account online event missing required fields, skip",
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trace_id=trace_id,
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channel_type=channel_type_raw,
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account_id=account_id,
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)
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return
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channel_type = ChannelType(channel_type_raw)
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await self._logger.info(
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"received account online event",
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trace_id=trace_id,
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channel_type=channel_type,
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account_id=account_id,
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)
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await self._startTransportForAccount(channel_type, account_id, trace_id, source="event")
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async def _startTransportForAccount(
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self,
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channel_type: ChannelType,
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account_id: str,
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trace_id: str,
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source: str = "event",
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) -> None:
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"""为单个账号启动传输任务（事件驱动与重启恢复共用）。
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根据 transport_mode 与适配器能力选择启动 Puller 或 Stream 任务：
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- ``pull``: 仅启动 Puller
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- ``stream``: 仅启动 Stream
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- ``both``: 优先 Stream，Puller 作为降级（Stream 适配器不可用时启动）
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参数：
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channel_type: 渠道类型。
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account_id: 账号 ID。
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trace_id: 链路追踪 ID。
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source: 启动来源（``event`` 事件驱动 / ``restore`` 重启恢复），
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仅用于日志区分。
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"""
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transport_mode = await self._resolveTransportMode(channel_type, account_id)
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puller_adapter = self._puller_registry.get(channel_type)
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stream_adapter = self._stream_connector_registry.get(channel_type)
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await self._logger.info(
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"starting transport for account",
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trace_id=trace_id,
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channel_type=channel_type,
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account_id=account_id,
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transport_mode=transport_mode,
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has_puller_adapter=puller_adapter is not None,
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has_stream_adapter=stream_adapter is not None,
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source=source,
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)
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started = False
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if transport_mode == "pull":
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if puller_adapter is not None and self._puller_worker is not None:
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await self._puller_worker.start_account(channel_type, account_id, puller_adapter)
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started = True
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elif transport_mode == "stream":
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if stream_adapter is not None and self._stream_worker is not None:
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await self._stream_worker.start_account(channel_type, account_id, stream_adapter)
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started = True
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else:
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# Task 11.2: both 模式优先 Stream，Puller 作为降级。
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# Stream 适配器可用时仅启动 Stream（Stream 健康时不 poll）；
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# Stream 适配器不可用时降级启动 Puller。
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if stream_adapter is not None and self._stream_worker is not None:
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await self._stream_worker.start_account(channel_type, account_id, stream_adapter)
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started = True
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elif puller_adapter is not None and self._puller_worker is not None:
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await self._puller_worker.start_account(channel_type, account_id, puller_adapter)
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started = True
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# 传输任务成功启动后持久化插件运行态（FR-32）。诊断字段，写入失败
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# 仅告警不中止（与 last_health_check_at 一致的 best-effort 语义）。
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if started:
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await self._touchPluginStatus(channel_type, account_id, "running", trace_id)
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async def _restoreOnlineAccounts(self, trace_id: str) -> None:
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"""重启恢复：扫描 DB 中 ACTIVE 状态账号，启动传输任务。
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系统重启后 TransportManager 不会收到 ChannelAccountOnline 事件，
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本方法在 ``start()`` 中被调用，为所有已注册渠道的 ACTIVE 状态账号
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启动传输任务（SSE 或短轮询），实现重启后自动恢复。
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错误隔离：单个账号查询/启动失败不阻塞其他账号，仅记录 warn 日志。
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仅恢复注册表中有 puller 或 stream 适配器的渠道（未注册适配器的
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渠道跳过）。
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参数：
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trace_id: 启动链路追踪 ID。
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"""
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# H-14：持有恢复锁，与 _on_config_changed 的 reloadConfig 互斥，
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# 防止恢复扫描与配置热更新竞态。异常时由 async with 保证锁释放。
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async with self._restore_lock:
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restored = 0
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failed = 0
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# 合并 puller 和 stream 注册表的渠道类型，避免遗漏
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channel_types = set(self._puller_registry.keys()) | set(self._stream_connector_registry.keys())
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for channel_type in channel_types:
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try:
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accounts = await self._persistence_port.findAccountsByFilter(
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AccountFilter(channel_type=channel_type, status=AccountStatus.ACTIVE)
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)
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except Exception as exc:
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await self._logger.warn(
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"transport restore: failed to query accounts for channel",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type,
|
||
error=str(exc),
|
||
)
|
||
continue
|
||
|
||
for account in accounts:
|
||
try:
|
||
await self._startTransportForAccount(
|
||
channel_type=channel_type,
|
||
account_id=account.account_id,
|
||
trace_id=trace_id,
|
||
source="restore",
|
||
)
|
||
restored += 1
|
||
except Exception as exc:
|
||
failed += 1
|
||
await self._logger.warn(
|
||
"transport restore: failed to start account",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type,
|
||
account_id=account.account_id,
|
||
error=str(exc),
|
||
)
|
||
|
||
await self._logger.info(
|
||
"transport restore completed",
|
||
trace_id=trace_id,
|
||
restored_accounts=restored,
|
||
failed_accounts=failed,
|
||
channel_count=len(channel_types),
|
||
)
|
||
|
||
async def _resolveTransportMode(
|
||
self,
|
||
channel_type: ChannelType,
|
||
account_id: str,
|
||
) -> str:
|
||
"""解析账号的传输模式（Task 11.1）。
|
||
|
||
优先使用账号级 ``transport_mode``（``ChannelAccount.transport_mode``），
|
||
账号不存在或读取失败时回退到 manifest 声明的渠道级 ``transport_mode``，
|
||
均不可用时回退到 ``both``。
|
||
|
||
参数：
|
||
channel_type: 渠道类型。
|
||
account_id: 渠道账号ID。
|
||
|
||
返回：
|
||
传输模式字符串（``pull`` / ``stream`` / ``both``）。
|
||
"""
|
||
try:
|
||
account = await self._persistence_port.getChannelAccount(channel_type, account_id)
|
||
except Exception as exc:
|
||
await self._logger.warn(
|
||
"failed to get channel account for transport_mode resolution, fallback to manifest default",
|
||
channel_type=channel_type,
|
||
account_id=account_id,
|
||
error=str(exc),
|
||
)
|
||
account = None
|
||
|
||
if account is not None:
|
||
return account.transport_mode
|
||
|
||
plugin = self._plugin_registry.getPluginByChannelType(channel_type)
|
||
if plugin is not None:
|
||
return plugin.manifest.transport_mode
|
||
return "both"
|
||
|
||
async def _on_account_offline(self, event: DomainEvent) -> None:
|
||
"""处理账号下线事件。
|
||
|
||
停止对应账号的所有传输任务。
|
||
|
||
参数：
|
||
event: ChannelAccountOffline 事件。
|
||
"""
|
||
trace_id = event.trace_id or str(uuid.uuid4())
|
||
channel_type_raw = event.payload.get("channel_type")
|
||
account_id = event.payload.get("account_id")
|
||
if channel_type_raw is None or account_id is None:
|
||
await self._logger.warn(
|
||
"account offline event missing required fields, skip",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type_raw,
|
||
account_id=account_id,
|
||
)
|
||
return
|
||
channel_type = ChannelType(channel_type_raw)
|
||
reason = event.payload.get("reason", "offline")
|
||
|
||
await self._logger.info(
|
||
"received account offline event, stopping transport",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type,
|
||
account_id=account_id,
|
||
reason=reason,
|
||
)
|
||
|
||
if self._puller_worker is not None:
|
||
await self._puller_worker.stop_account(channel_type, account_id, reason)
|
||
|
||
if self._stream_worker is not None:
|
||
await self._stream_worker.stop_account(channel_type, account_id, reason)
|
||
|
||
# 传输任务停止后持久化插件运行态（FR-32）。
|
||
await self._touchPluginStatus(channel_type, account_id, "stopped", trace_id)
|
||
|
||
async def _on_channel_degraded(self, event: DomainEvent) -> None:
|
||
"""处理渠道降级事件。
|
||
|
||
P0 阶段留空，P1 阶段实现降级逻辑（如暂停非关键任务、调整轮询间隔等）。
|
||
|
||
参数：
|
||
event: ChannelDegraded 事件。
|
||
"""
|
||
pass
|
||
|
||
async def _on_channel_recovered(self, event: DomainEvent) -> None:
|
||
"""处理渠道恢复事件。
|
||
|
||
P0 阶段留空，P1 阶段实现恢复逻辑。
|
||
|
||
参数：
|
||
event: ChannelRecovered 事件。
|
||
"""
|
||
pass
|
||
|
||
async def _on_transport_error(self, event: DomainEvent) -> None:
|
||
"""处理传输错误事件。
|
||
|
||
记录日志并将账户插件运行态置为 ``error``（FR-32）。P1 阶段可用于
|
||
监控告警。
|
||
|
||
参数：
|
||
event: TransportErrorOccurred 事件。
|
||
"""
|
||
trace_id = event.trace_id or str(uuid.uuid4())
|
||
channel_type_raw = event.payload.get("channel_type")
|
||
account_id = event.payload.get("account_id")
|
||
await self._logger.warn(
|
||
"transport error occurred",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type_raw,
|
||
account_id=account_id,
|
||
error_category=event.payload.get("error_category"),
|
||
error_code=event.payload.get("error_code"),
|
||
)
|
||
# 持久化插件运行态为 error（FR-32）。仅当事件携带账户信息时写入。
|
||
if channel_type_raw is not None and account_id is not None:
|
||
await self._touchPluginStatus(ChannelType(channel_type_raw), account_id, "error", trace_id)
|
||
|
||
async def _touchPluginStatus(
|
||
self,
|
||
channel_type: ChannelType,
|
||
account_id: str,
|
||
plugin_status: str,
|
||
trace_id: str,
|
||
) -> None:
|
||
"""更新账户插件运行态（FR-32）。
|
||
|
||
传输任务 start/stop/error 后调用 ``PersistencePort.updatePluginStatus``
|
||
持久化插件运行态（running / stopped / error）。诊断字段，best-effort
|
||
写入：失败时仅记录告警，不中止传输主流程（与 ``last_health_check_at``
|
||
一致）。
|
||
"""
|
||
try:
|
||
await self._persistence_port.updatePluginStatus(channel_type, account_id, plugin_status)
|
||
except Exception as exc:
|
||
await self._logger.warn(
|
||
"failed to update plugin_status",
|
||
trace_id=trace_id,
|
||
channel_type=channel_type,
|
||
account_id=account_id,
|
||
plugin_status=plugin_status,
|
||
error=str(exc),
|
||
)
|
||
|
||
async def _on_config_changed(self, event: DomainEvent) -> None:
|
||
"""处理配置变更事件（FR-04 配置热更新）。
|
||
|
||
监听 ``transport.*`` 前缀的全局配置变更，按 hot/restart 模式应用：
|
||
- hot 模式（``stall_timeout_ms`` / ``backoff_schedule`` /
|
||
``backoff_jitter``）：重新加载 TransportConfig 并更新 Worker 配置，
|
||
当前轮次结束后生效。
|
||
- restart 模式（``max_restart_attempts`` /
|
||
``graceful_shutdown_timeout_s``）：记录警告日志，需手动重启
|
||
TransportManager 生效（P1 阶段不实现自动重启，避免账号连接中断）。
|
||
|
||
参数：
|
||
event: ConfigChanged / ConfigRollback 事件，payload 包含 key。
|
||
"""
|
||
key = event.payload.get("key", "")
|
||
if not key.startswith("transport."):
|
||
return
|
||
# 仅处理全局配置（target 为 None 或空），忽略账户级配置
|
||
target = event.payload.get("target")
|
||
if target:
|
||
return
|
||
|
||
trace_id = event.trace_id or str(uuid.uuid4())
|
||
if key in _RESTART_REQUIRED_CONFIG_KEYS:
|
||
await self._logger.warn(
|
||
"transport config change requires restart to take effect",
|
||
trace_id=trace_id,
|
||
key=key,
|
||
event_type=event.event_type,
|
||
)
|
||
return
|
||
|
||
# 仅对 hot-reloadable 键触发重新加载，忽略未知 transport.* 键
|
||
if key not in _RELOADABLE_CONFIG_KEYS:
|
||
return
|
||
|
||
# hot 模式：重新加载配置并更新 Worker
|
||
await self._logger.info(
|
||
"transport config hot reload triggered",
|
||
trace_id=trace_id,
|
||
key=key,
|
||
event_type=event.event_type,
|
||
)
|
||
# H-14：与 _restoreOnlineAccounts 互斥，等待恢复扫描完成后再重载配置
|
||
async with self._restore_lock:
|
||
await self.reloadConfig()
|
||
|
||
async def reloadConfig(self) -> None:
|
||
"""重新加载传输配置并更新 Worker（FR-04 hot 模式）。
|
||
|
||
从 ``ConfigPort`` 读取最新 ``transport.*`` 配置，更新
|
||
``TransportManager._config`` 及两个 Worker 的 ``_config``。
|
||
Worker 在下一轮循环（退避等待、轮询间隔、心跳间隔）时自动应用新配置。
|
||
|
||
幂等：多次调用安全，仅更新配置不重启任务。
|
||
"""
|
||
trace_id = str(uuid.uuid4())
|
||
try:
|
||
new_config = await self._loadTransportConfig()
|
||
except Exception as exc:
|
||
await self._logger.error(
|
||
"transport config reload failed, keeping old config",
|
||
trace_id=trace_id,
|
||
error=str(exc),
|
||
)
|
||
return
|
||
|
||
self._config = new_config
|
||
if self._puller_worker is not None:
|
||
self._puller_worker._config = new_config
|
||
if self._stream_worker is not None:
|
||
self._stream_worker._config = new_config
|
||
|
||
await self._logger.info(
|
||
"transport config reloaded",
|
||
trace_id=trace_id,
|
||
stall_timeout_ms=new_config.stall_timeout_ms,
|
||
backoff_schedule=list(new_config.backoff_schedule),
|
||
backoff_jitter=new_config.backoff_jitter,
|
||
)
|
||
|
||
async def _loadTransportConfig(self) -> TransportConfig:
|
||
"""从 ConfigPort 加载 TransportConfig。
|
||
|
||
复用 BaseTransportWorker._loadConfig 的读取逻辑，集中配置加载
|
||
避免逻辑重复。
|
||
"""
|
||
# 委托任一 Worker 的 _loadConfig（两者配置相同），无 Worker 时
|
||
# 直接构造默认配置
|
||
if self._puller_worker is not None:
|
||
return await self._puller_worker._loadConfig()
|
||
if self._stream_worker is not None:
|
||
return await self._stream_worker._loadConfig()
|
||
return TransportConfig()
|
||
|
||
|
||
# transport.* 配置键的热更新模式分类（FR-04）
|
||
_RELOADABLE_CONFIG_KEYS: frozenset[str] = frozenset(
|
||
{
|
||
"transport.stall_timeout_ms",
|
||
"transport.backoff_schedule",
|
||
"transport.backoff_jitter",
|
||
"transport.stream_reconnect_backoff_ms",
|
||
"transport.stream_reconnect_max_backoff_ms",
|
||
}
|
||
)
|
||
_RESTART_REQUIRED_CONFIG_KEYS: frozenset[str] = frozenset(
|
||
{
|
||
"transport.max_restart_attempts",
|
||
"transport.graceful_shutdown_timeout_s",
|
||
}
|
||
)
|
||
|
||
|
||
class _AccountEventHandler(EventHandler):
|
||
"""账号事件处理器适配器。
|
||
|
||
将 EventHandler 接口适配到 TransportManager 的异步处理方法。
|
||
"""
|
||
|
||
def __init__(self, handler: Callable[[DomainEvent], Awaitable[None]]) -> None:
|
||
self._handler = handler
|
||
|
||
async def handle(self, event: DomainEvent) -> None:
|
||
await self._handler(event)
|