Unlucky Launcher v0.2.3
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AskaEth committed 2026-11-08 00:15:58 +00:00
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//! `HostTask` → `CoreEvent` 的翻译(从 `host/mod.rs` 拆出,守 400 行硬限)。
//!
//! 父模块的私有字段对子模块可见,所以这里直接读写 `self.tx` / `self.launches` 等。
use crate::dto::{AppEvent, CoreEvent, InstanceRuntime, LaunchFailureCause, LogOutcome, PackEvent};
use crate::toast::ToastKind;
use super::{addon, logs, CoreHost, HostTask, LiveLaunch};
impl CoreHost {
/// 后台消息 → 事件。
pub(super) fn handle(&mut self, task: HostTask) {
match task {
HostTask::Versions(Ok(versions)) => self.send(CoreEvent::VersionListChanged(versions)),
HostTask::Versions(Err(reason)) => {
self.toast(ToastKind::Warn, format!("拉取版本清单失败:{reason}"));
}
HostTask::LoaderVersions {
kind,
mc_version,
result,
} => {
// 失败既要落进快照(页面禁用确认 + 显示具名原因),也要一条 Toast:
// 用户可能正盯着上面的版本列表,下拉那一行的红字容易被忽略。
if let Err(reason) = &result {
self.toast(
ToastKind::Warn,
format!("取不到 {} 的加载器版本:{reason}", kind.label()),
);
}
self.send(CoreEvent::LoaderVersions {
kind,
mc_version,
result,
});
}
// M109:内容库检索。`Err` 不弹 toast——页面自己有失败态(四态之一),
// toast 只做「顺手提一句」会把可重试的错误变成一次性噪音。
HostTask::Content(result) => match *result {
Ok(results) => self.send(CoreEvent::ContentResults(Box::new(results))),
Err(failure) => self.send(CoreEvent::ContentFailed(Box::new(failure))),
},
// M162:详情/版本列表(与检索同一套失败分类)
HostTask::ContentDetail { project, result } => {
self.send(CoreEvent::ContentDetail { project, result });
}
// M113: import/export —— 导入/导出事件带代次,取消后回来的旧事件一律丢掉
HostTask::Pack { event, epoch } => {
// pack 用**自己**的代次(复审 r1 P2-7):共用安装的计数器会让
// 「关一次导入面板」把下载页正在跑的安装静默丢掉。
if epoch != addon::pack_epoch(&self.env) {
return;
}
// 导入成功可能登记了新实例:与 `InstallDone` 同一条刷新(复审 r1 P2-1),
// 否则新实例要等下一次无关的 `RefreshAll` 才出现在实例页与目标 chips 里。
if matches!(*event, PackEvent::Report(_)) {
self.refresh_instances();
}
self.send(CoreEvent::Pack(event));
}
// M105 的形状(代次丢包)为准:旧任务(已取消 / 被下一轮顶掉)的进度一律丢掉。
// 这是「点了取消没反应」的根因:取消时 `InstallProgress(None)` 刚把面板收回,
// 旧任务的下一条「下载中」事件立刻又把它点亮。
HostTask::Install { progress, epoch } => {
if epoch != self.install_epoch {
return;
}
self.install = Some(*progress.clone());
self.send(CoreEvent::InstallProgress(Some(*progress)));
}
HostTask::InstallDone {
progress,
result,
epoch,
} => {
// 收尾同样看代次:取消之后那次「已取消」的收尾不该再动面板(面板早就回弹了),
// 也不该清掉**新一轮**安装的取消句柄。
if epoch != self.install_epoch {
return;
}
self.install_cancel = None;
self.install = Some(*progress.clone());
self.send(CoreEvent::InstallProgress(Some(*progress)));
match result {
Ok(_) => {
self.refresh_instances();
self.send(CoreEvent::LogSessionsChanged(logs::sessions(&self.env)));
}
// 只把**一句人读原因**弹出去:大类已经随 `progress.failure_kind` 进了 DTO,
// 面板/调用方按大类决定怎么画(离线 vs 查无此项)。
Err(failure) => self.toast(ToastKind::Error, failure.detail),
}
}
HostTask::Accounts(accounts) => {
self.accounts = accounts.clone();
self.send(CoreEvent::AccountsChanged(accounts));
self.refresh_instances();
}
HostTask::Login(view) => self.send(CoreEvent::DeviceLoginChanged(*view)),
HostTask::Authlib(view) => self.send(CoreEvent::AuthlibLoginChanged(*view)),
HostTask::Avatar { id, skin } => {
// 抓到/没抓到都记下来(`None` = 试过了,不再重试),再把列表盖好发出去
self.skins.insert(id, skin);
self.attach_skins();
self.send(CoreEvent::AccountsChanged(self.accounts.clone()));
}
HostTask::Java(page) => self.send(CoreEvent::JavaChanged(*page)),
HostTask::Logs {
sessions,
lines,
diagnosis,
} => {
self.send(CoreEvent::LogSessionsChanged(sessions));
self.send(CoreEvent::LogLinesChanged(lines));
if let Some(report) = diagnosis {
self.send(CoreEvent::DiagnosisReady(report));
}
}
HostTask::Sessions(sessions) => self.send(CoreEvent::LogSessionsChanged(sessions)),
HostTask::Tail(batch) => {
if batch.running {
self.send(CoreEvent::LogLinesChanged(batch.lines));
} else {
self.send(CoreEvent::LogAppended(*batch));
}
}
HostTask::LaunchStarted {
id,
session_id,
pid,
} => {
self.pending.remove(&id);
self.failed.remove(&id);
self.launches.retain(|live| live.instance != id);
self.launches.push(LiveLaunch {
instance: id.clone(),
session: session_id.clone(),
pid,
});
// 实时尾随一次只跟一场(下载页/日志页共用一个滚动窗口);
// 已有别的实例在尾随时不抢占——它的日志仍在 JSONL 里,收尾后可回放。
if self.tail.session().is_none() {
self.tail.attach(
self.env
.sessions_root()
.join("game")
.join(format!("{session_id}.jsonl")),
&session_id,
);
}
self.send(CoreEvent::InstanceRuntimeChanged {
id,
runtime: InstanceRuntime::Running { pid },
});
}
HostTask::Runtime { id, runtime } => {
self.send(CoreEvent::InstanceRuntimeChanged { id, runtime });
}
HostTask::LaunchEnd(finished) => {
// 收尾可能发生在 LaunchStarted 之前(build_request / spawn 失败只发
// LaunchEnd):pending 必须在这里也清掉,否则 in_flight 恒真、该实例
// 本会话内再也起不来。
self.pending.remove(&finished.id);
self.launches.retain(|live| live.instance != finished.id);
let runtime = if finished.outcome == LogOutcome::Ok {
self.failed.remove(&finished.id);
InstanceRuntime::Idle
} else {
// 记住失败:随后的 refresh_instances 会重建快照,
// 不记的话磁贴的「失败/重试」外观会被 Idle 盖掉。
//
// 原因**按形状**组装(复审 P1-1):`failure` 有值 = 进程没起来(阶段失败);
// 没值 = 跑起来了,那就必须看 `outcome`(崩溃 / 疑似静默失败),
// 不许再拿「启动游戏进程失败」去顶——那句话在进程明明起来时说不过去。
let cause = LaunchFailureCause::of(
finished.outcome,
finished.failure.as_ref(),
finished.exit_code,
);
self.failed.insert(finished.id.clone(), cause.clone());
InstanceRuntime::Failed { cause }
};
self.send(CoreEvent::InstanceRuntimeChanged {
id: finished.id.clone(),
runtime,
});
self.send(CoreEvent::LaunchFinished((*finished).clone()));
// 只拆自己那场的尾随:并发时另一实例的实时日志不该被这次收尾掐掉。
if self.tail.session() == Some(finished.session.as_str()) {
self.tail.detach();
}
self.send(CoreEvent::LogSessionsChanged(logs::sessions(&self.env)));
self.refresh_instances();
}
HostTask::Crash(report) => {
self.send(CoreEvent::DiagnosisReady(*report));
}
HostTask::Notice(notice) => self.push_notice(*notice),
// M159:更新回报(检查结论 / 应用结局)→ 快照整体替换
HostTask::Update(report) => {
self.update.adopt(*report);
self.publish_update();
}
HostTask::Toast(toast) => self.events.push_back(AppEvent::Toast(*toast)),
}
}
/// 尾随运行中会话(每 `TAIL_POLL_TICKS` 拍一次)。
pub(super) fn poll_tail(&mut self) {
let Some((session, lines)) = self.tail.poll() else {
return;
};
if lines.is_empty() {
return;
}
let running = self.launches.iter().any(|live| live.session == session);
self.send(CoreEvent::LogAppended(crate::dto::LiveLogBatch {
session,
lines,
running,
}));
}
}