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199 lines
6.7 KiB
Rust
199 lines
6.7 KiB
Rust
//! 后台任务的回流消息:`HostTask` 是唯一「线程 → host」的载荷。
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//!
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//! 线程只做 core 调用(网络/磁盘),产出的都是 `crate::dto` 的 DTO;
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//! host 的 `tick` 把它们翻成 [`crate::dto::CoreEvent`]。
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//! 这样「跨线程传的是什么」在一处看全,也不会出现半成品领域类型漏回 UI。
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use std::sync::mpsc::{Receiver, Sender};
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use crate::dto::{
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// 主线(M109 ContentResults / M105 LoaderKind / M113 PackEvent)与 M114 的账户轨并集。
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AccountView,
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AuthlibLoginView,
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ContentResults,
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DeviceLoginView,
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DiagnosisReport,
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InstallProgressView,
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InstanceId,
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InstanceRuntime,
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JavaPageView,
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LaunchFinished,
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LiveLogBatch,
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LoaderKind,
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LogLine,
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LogOutcome,
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LogSession,
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NoticeView,
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PackEvent,
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SessionId,
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SkinImage,
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VersionSummary,
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};
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use crate::toast::Toast;
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/// 后台任务 → host 的消息。
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#[derive(Debug, Clone, PartialEq)]
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pub enum HostTask {
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/// 版本清单(下载页)
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Versions(Result<Vec<VersionSummary>, String>),
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/// 加载器版本清单(下载页「安装选项」的下拉)
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LoaderVersions {
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/// 加载器种类
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kind: LoaderKind,
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/// 目标原版版本(缓存键的一部分,回传原样)
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mc_version: String,
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/// `Ok(最新在前)` / `Err(人读原因)`
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result: Result<Vec<String>, String>,
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},
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/// 内容库检索(M109;`Err` = 一句人读原因)
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Content(Box<Result<ContentResults, String>>),
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// M113: import/export
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/// 导入/导出(M113):一条事件 + 任务代次
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///
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/// 代次是 **pack 自己的一条**(`host::addon::pack` 的 `pack_epoch()`,按 host 分开),**不**与
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/// [`HostTask::Install`] 的 `CoreHost::install_epoch` 共用 —— 共用会让「关一次导入面板」
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/// 把下载页正在跑的安装静默丢掉(复审 r1 P2-7)。取消/关面板之后回来的旧事件按这条代次
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/// 丢掉,面板不会被重新点亮。
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Pack {
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/// 事件载荷(进度 / 结果 / 探测诊断 / 预检 / 完成)
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event: Box<PackEvent>,
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/// 任务代次
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epoch: u64,
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},
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/// 安装进度(高频,host 只做聚合与转发)
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Install {
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/// 进度快照
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progress: Box<InstallProgressView>,
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/// 任务代次([`super::CoreHost`] 的 `install_epoch`)
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///
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/// 取消/重新开工都会把代次 +1,于是**旧任务还在飞的事件**带着旧代次回来,
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/// host 一眼就能认出来并丢掉。没有这一层的话:取消后 `InstallProgress(None)` 刚把面板
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/// 收回,下一条「下载中」事件立刻把它点亮——用户看到的就是「点了取消没反应」(M105 实测)。
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epoch: u64,
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},
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/// 安装收尾(成功带实例名,失败带文案)
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InstallDone {
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/// 最终进度快照
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progress: Box<InstallProgressView>,
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/// 成功时为 `Ok(实例名)`
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result: Result<String, String>,
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/// 任务代次(语义同 [`HostTask::Install`] 的 `epoch`)
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epoch: u64,
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},
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/// 账户列表
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Accounts(Vec<AccountView>),
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/// 设备码登录状态
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Login(Box<DeviceLoginView>),
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/// 第三方轨(authlib-injector)登录/校验状态
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Authlib(Box<AuthlibLoginView>),
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/// 账户皮肤抓取结果(`skin = None` = 没取到;UI 退回首字母块)
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Avatar {
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/// 账户 id
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id: String,
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/// 皮肤原图
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skin: Option<SkinImage>,
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},
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/// Java 页(发行版/回退链/运行时)
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Java(Box<JavaPageView>),
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/// 日志页快照(会话列表 + 选中会话的行 + 诊断)
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Logs {
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/// 会话列表
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sessions: Vec<LogSession>,
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/// 选中会话的行
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lines: Vec<LogLine>,
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/// 诊断结论
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diagnosis: Option<DiagnosisReport>,
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},
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/// 实时日志增量
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Tail(Box<LiveLogBatch>),
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/// 启动开始(pid + 会话 id)
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LaunchStarted {
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/// 实例 id
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id: InstanceId,
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/// 会话 id
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session_id: SessionId,
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/// 进程号
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pid: u32,
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},
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/// 启动阶段推进(磁贴进度环)
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Runtime {
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/// 实例 id
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id: InstanceId,
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/// 阶段状态
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runtime: InstanceRuntime,
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},
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/// 启动收尾
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LaunchEnd(Box<LaunchFinished>),
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/// 崩溃日志导入的分析结论
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Crash(Box<DiagnosisReport>),
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/// 横幅通知(隔离切换提示等)
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Notice(Box<NoticeView>),
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/// Toast
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Toast(Box<Toast>),
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/// 会话列表刷新(只换左栏)
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Sessions(Vec<LogSession>),
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}
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/// 后台线程用的发送端(`Sender` 克隆即可)。
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pub type JobSender = Sender<HostTask>;
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/// host 侧的接收端。
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pub type JobReceiver = Receiver<HostTask>;
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/// 建一对通道。
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pub fn channel() -> (JobSender, JobReceiver) {
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std::sync::mpsc::channel()
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}
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/// 起一个带名字的后台线程(名字只进 panic 信息,方便定位)。
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pub fn spawn(name: &str, job: impl FnOnce() + Send + 'static) -> std::thread::JoinHandle<()> {
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std::thread::Builder::new()
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.name(format!("ull-host-{name}"))
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.spawn(job)
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.unwrap_or_else(|error| panic!("起不来后台线程 {name}: {error}"))
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}
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/// 人读一行「启动结束」。
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pub fn launch_summary(outcome: LogOutcome, exit_code: Option<i32>) -> String {
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match outcome {
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LogOutcome::Ok => "正常退出".to_string(),
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LogOutcome::Crashed => match exit_code {
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Some(code) => format!("崩溃(exit {code})"),
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None => "崩溃".to_string(),
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},
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LogOutcome::SilentFail => "静默失败(exit 0 但游戏没起来)".to_string(),
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn channel_carries_tasks_across_threads() {
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let (tx, rx) = channel();
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let handle = spawn("test", move || {
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tx.send(HostTask::Toast(Box::new(Toast {
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id: 1,
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kind: crate::toast::ToastKind::Info,
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text: "hi".to_string(),
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remaining_ms: 0,
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})))
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.expect("发送");
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});
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handle.join().expect("线程结束");
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let task = rx.recv().expect("收到");
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assert!(matches!(task, HostTask::Toast(toast) if toast.text == "hi"));
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}
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#[test]
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fn launch_summary_names_the_outcome() {
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assert_eq!(launch_summary(LogOutcome::Ok, Some(0)), "正常退出");
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assert_eq!(
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launch_summary(LogOutcome::Crashed, Some(1)),
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"崩溃(exit 1)"
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);
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assert!(launch_summary(LogOutcome::SilentFail, Some(0)).contains("静默"));
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}
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}
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