Unlucky Launcher v0.2.2
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AskaEth committed 2026-11-07 08:46:11 +08:00
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//! 后台任务的回流消息:`HostTask` 是唯一「线程 → host」的载荷。
//!
//! 线程只做 core 调用(网络/磁盘),产出的都是 `crate::dto` 的 DTO;
//! host 的 `tick` 把它们翻成 [`crate::dto::CoreEvent`]。
//! 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。
use std::sync::mpsc::{Receiver, Sender};
use crate::dto::{
// 主线(M109 ContentResults / M105 LoaderKind / M113 PackEvent)与 M114 的账户轨并集。
AccountView,
AuthlibLoginView,
ContentResults,
DeviceLoginView,
DiagnosisReport,
InstallProgressView,
InstanceId,
InstanceRuntime,
JavaPageView,
LaunchFinished,
LiveLogBatch,
LoaderKind,
LogLine,
LogOutcome,
LogSession,
NoticeView,
PackEvent,
SessionId,
SkinImage,
VersionSummary,
};
use crate::toast::Toast;
/// 后台任务 → host 的消息。
#[derive(Debug, Clone, PartialEq)]
pub enum HostTask {
/// 版本清单(下载页)
Versions(Result<Vec<VersionSummary>, String>),
/// 加载器版本清单(下载页「安装选项」的下拉)
LoaderVersions {
/// 加载器种类
kind: LoaderKind,
/// 目标原版版本(缓存键的一部分,回传原样)
mc_version: String,
/// `Ok(最新在前)` / `Err(人读原因)`
result: Result<Vec<String>, String>,
},
/// 内容库检索(M109;`Err` = 一句人读原因)
Content(Box<Result<ContentResults, String>>),
// M113: import/export
/// 导入/导出(M113):一条事件 + 任务代次
///
/// 代次是 **pack 自己的一条**(`host::addon::pack` 的 `pack_epoch()`,按 host 分开),**不**与
/// [`HostTask::Install`] 的 `CoreHost::install_epoch` 共用 —— 共用会让「关一次导入面板」
/// 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
/// 丢掉,面板不会被重新点亮。
Pack {
/// 事件载荷(进度 / 结果 / 探测诊断 / 预检 / 完成)
event: Box<PackEvent>,
/// 任务代次
epoch: u64,
},
/// 安装进度(高频,host 只做聚合与转发)
Install {
/// 进度快照
progress: Box<InstallProgressView>,
/// 任务代次([`super::CoreHost`] 的 `install_epoch`)
///
/// 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,
/// 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
/// 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)。
epoch: u64,
},
/// 安装收尾(成功带实例名,失败带文案)
InstallDone {
/// 最终进度快照
progress: Box<InstallProgressView>,
/// 成功时为 `Ok(实例名)`
result: Result<String, String>,
/// 任务代次(语义同 [`HostTask::Install`] 的 `epoch`)
epoch: u64,
},
/// 账户列表
Accounts(Vec<AccountView>),
/// 设备码登录状态
Login(Box<DeviceLoginView>),
/// 第三方轨(authlib-injector)登录/校验状态
Authlib(Box<AuthlibLoginView>),
/// 账户皮肤抓取结果(`skin = None` = 没取到;UI 退回首字母块)
Avatar {
/// 账户 id
id: String,
/// 皮肤原图
skin: Option<SkinImage>,
},
/// Java 页(发行版/回退链/运行时)
Java(Box<JavaPageView>),
/// 日志页快照(会话列表 + 选中会话的行 + 诊断)
Logs {
/// 会话列表
sessions: Vec<LogSession>,
/// 选中会话的行
lines: Vec<LogLine>,
/// 诊断结论
diagnosis: Option<DiagnosisReport>,
},
/// 实时日志增量
Tail(Box<LiveLogBatch>),
/// 启动开始(pid + 会话 id)
LaunchStarted {
/// 实例 id
id: InstanceId,
/// 会话 id
session_id: SessionId,
/// 进程号
pid: u32,
},
/// 启动阶段推进(磁贴进度环)
Runtime {
/// 实例 id
id: InstanceId,
/// 阶段状态
runtime: InstanceRuntime,
},
/// 启动收尾
LaunchEnd(Box<LaunchFinished>),
/// 崩溃日志导入的分析结论
Crash(Box<DiagnosisReport>),
/// 横幅通知(隔离切换提示等)
Notice(Box<NoticeView>),
/// Toast
Toast(Box<Toast>),
/// 会话列表刷新(只换左栏)
Sessions(Vec<LogSession>),
}
/// 后台线程用的发送端(`Sender` 克隆即可)。
pub type JobSender = Sender<HostTask>;
/// host 侧的接收端。
pub type JobReceiver = Receiver<HostTask>;
/// 建一对通道。
pub fn channel() -> (JobSender, JobReceiver) {
std::sync::mpsc::channel()
}
/// 起一个带名字的后台线程(名字只进 panic 信息,方便定位)。
pub fn spawn(name: &str, job: impl FnOnce() + Send + 'static) -> std::thread::JoinHandle<()> {
std::thread::Builder::new()
.name(format!("ull-host-{name}"))
.spawn(job)
.unwrap_or_else(|error| panic!("起不来后台线程 {name}: {error}"))
}
/// 人读一行「启动结束」。
pub fn launch_summary(outcome: LogOutcome, exit_code: Option<i32>) -> String {
match outcome {
LogOutcome::Ok => "正常退出".to_string(),
LogOutcome::Crashed => match exit_code {
Some(code) => format!("崩溃(exit {code})"),
None => "崩溃".to_string(),
},
LogOutcome::SilentFail => "静默失败(exit 0 但游戏没起来)".to_string(),
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn channel_carries_tasks_across_threads() {
let (tx, rx) = channel();
let handle = spawn("test", move || {
tx.send(HostTask::Toast(Box::new(Toast {
id: 1,
kind: crate::toast::ToastKind::Info,
text: "hi".to_string(),
remaining_ms: 0,
})))
.expect("发送");
});
handle.join().expect("线程结束");
let task = rx.recv().expect("收到");
assert!(matches!(task, HostTask::Toast(toast) if toast.text == "hi"));
}
#[test]
fn launch_summary_names_the_outcome() {
assert_eq!(launch_summary(LogOutcome::Ok, Some(0)), "正常退出");
assert_eq!(
launch_summary(LogOutcome::Crashed, Some(1)),
"崩溃(exit 1)"
);
assert!(launch_summary(LogOutcome::SilentFail, Some(0)).contains("静默"));
}
}