Files
Unlucky-Launcher/crates/presenter/src/host/launch.rs
T
AskaEth 414f6ff886 feat(m187): 启动失败弹窗 + 诊断包导出,并接通 DialogQueue
用户实测「MC 启动失败找不到崩溃日志」的直接修法:失败时弹一个框,把退出码、
一句人话原因、证据形态、四条真实路径与三个按钮摆在同一个地方。

- app-iced:最小一层模态(遮罩 + 卡片 + 主/次按钮 + Esc/点遮罩关闭),
  消费 presenter 的 DialogQueue(此前全仓零引用,所有弹窗都画不出来);
  队列管弹窗,CrashCard 管这次失败的事实,按 DialogId 绑定。
- 弹窗区分两种失败:游戏自己写了 crash-reports(贴 Description + 栈片段)/
  游戏没来得及写(明说「这次没有生成崩溃报告」并贴出捕获的最后 30 行)/
  什么都没抓到(给最可能原因分类)。绝不对第二种说「找不到日志」。
- 导出诊断包:core 侧新 crash_bundle 写 zip(清单 + 启动器日志 + 会话 JSONL +
  crash-reports/* + hs_err + latest.log + 版本 JSON),落盘即脱敏(家目录 / token /
  会话 id),单文件 4 MiB、总量 48 MiB 上限并在清单记截断。
- 启动器自身日志落盘(core::launch::launcher_log → <.ULL>/logs/launcher.log,
  登记目录前先缓冲),补上「双击启动时诊断行直接蒸发」的缺口。
- i18n:25 条中英文案进 catalog/logs.rs + 金表。
- 取证:ULL_DIALOG_FIXTURE=crash-report|no-logs|export 在临时目录造真文件出图,
  wgpu 与 tiny-skia 各一套,见 DevDocs/artifacts/m187/。

未复现 M190 的「owned 文字在 wgpu 下丢字」:同一串中文两条文字路径、两种后端逐字相同
(ab-wgpu.png / ab-tinyskia.png),因此本轮未改任何渲染路径。
2026-11-08 22:42:00 +08:00

398 lines
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//! 启动全链:实例 → `LaunchRequest` → 子进程 → JSONL 事件流(GUI 版)。
//!
//! 与 CLI `ull launch` 同源同序(`core` 的 `game::resolve` / `arguments.expand` /
//! `launch::adapter::build_request` / `Launcher::spawn`),差异只有两处:
//! - **不阻塞 UI**:装配与等待都在后台线程里,进度/日志经 [`super::job::HostTask`] 回流;
//! - **身份来自 GUI 选中的账户**(`AccountStore` → `AuthPlaceholders`),凭据只在
//! 本模块内被读一次,绝不进 DTO。
//!
//! 停止:`kill_tree(pid)`(core 的三段式进程树回收),`finish()` 会照常收尾写索引。
use std::path::PathBuf;
use unlucky_core::game::arguments::Environment;
use unlucky_core::game::install::instance::read_instance_config;
use unlucky_core::game::isolation::{derive_game_dir, observe_mode, IsolationMode};
use unlucky_core::game::{self, VersionJson};
use unlucky_core::launch::adapter::{
self, AdapterOptions, AdapterWarning, LibraryInput, SnapshotInput,
};
use unlucky_core::launch::crash_report::{self, CrashReport, ReportContext};
use unlucky_core::launch::launcher_log;
use unlucky_core::launch::request::{LaunchRequest, MemoryOptions};
use unlucky_core::launch::time::{format_rfc3339_millis, now};
use unlucky_core::launch::tree_kill;
use unlucky_core::launch::{Launcher, LauncherConfig};
use crate::dto::{
InstanceId, InstanceRuntime, LaunchFailureStage, LaunchFailureView, LaunchFinished,
LaunchStage, LogOutcome, Progress,
};
use super::env::HostEnv;
mod java;
use super::job::{HostTask, JobSender};
pub use java::pick_java;
/// 启动器名(与 CLI `meta::LAUNCHER_NAME` 同值)。
pub const LAUNCHER_NAME: &str = "Unlucky Launcher";
/// 一次启动需要的实例信息。
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct LaunchTarget {
/// 实例 id
pub id: InstanceId,
/// 实例名
pub name: String,
/// 绑定的版本 id
pub version_id: String,
/// 账户 id(`None` = 离线占位)
pub account: Option<String>,
}
/// 装配 [`LaunchRequest`](与 CLI `snapshot::prepare` 同序)。
///
/// # Errors
///
/// 任一步失败都返回 [`LaunchFailureView`]:**阶段**(版本 JSON / 继承链 / 实例设置 / 隔离目录 /
/// 账户)+ 那一步的原文。文案不在这一层拼(presenter 不依赖 `unlucky-i18n`)。
pub fn build_request(
env: &HostEnv,
target: &LaunchTarget,
) -> Result<(LaunchRequest, Vec<String>), LaunchFailureView> {
let version_id = target.version_id.clone();
let manifest_path = env.game.version_json(&version_id);
let text = std::fs::read_to_string(&manifest_path).map_err(|error| {
LaunchFailureView::new(
LaunchFailureStage::VersionManifest,
format!("{}:{error}", manifest_path.display()),
)
})?;
let manifest = VersionJson::from_json_str(&text).map_err(|error| {
LaunchFailureView::new(
LaunchFailureStage::VersionManifest,
format!("{}:{error}", manifest_path.display()),
)
})?;
let source = |id: &str| -> Option<VersionJson> {
std::fs::read_to_string(env.game.version_json(id))
.ok()
.and_then(|text| VersionJson::from_json_str(&text).ok())
};
let resolved = game::resolve(&source, &manifest).map_err(|error| {
LaunchFailureView::new(LaunchFailureStage::Inheritance, error.to_string())
})?;
let environment = Environment::host();
let expanded = resolved
.arguments
.as_ref()
.map(|arguments| arguments.expand(&environment))
.unwrap_or_default();
let mut libraries: Vec<LibraryInput> = Vec::new();
for library in resolved.libraries.as_deref().unwrap_or_default() {
if !library.applies(&environment) {
continue;
}
// 1.19+ 的 natives 是独立库条目(name 带分类器),必须进 classpath;
// ≤1.18 的 `natives` 表条目归 natives::collect,不进 classpath。
// Linux arm64:独立条目改写成 natives-linux-arm64(路径与展示名一起改)。
let arm64 = library.linux_arm64_native_name(&environment);
if arm64.is_none() && library.native_classifier(&environment).is_some() {
continue;
}
let (coordinate, name) = match arm64 {
Some(rewritten) => {
let Ok(coordinate) =
unlucky_core::game::library::MavenCoordinate::parse(&rewritten)
else {
continue;
};
(coordinate, rewritten)
}
None => {
let Ok(coordinate) = library.coordinate() else {
continue;
};
(coordinate, library.name.clone())
}
};
let path = if library.is_local() {
env.game.version_library(&version_id, &coordinate)
} else {
env.game.library(&coordinate)
};
libraries.push(LibraryInput::new(path, name));
}
let natives = unlucky_core::launch::natives::collect(
&env.game,
&version_id,
resolved.libraries.as_deref().unwrap_or_default(),
&environment,
);
let game_dir = run_dir(env, target)?;
let jar_id = resolved.jar.clone().unwrap_or_else(|| version_id.clone());
let assets_root = env.game.assets_dir();
let assets_index = resolved
.assets
.clone()
.or_else(|| resolved.asset_index.as_ref().map(|index| index.id.clone()));
// 装配的门限 / 分支按**继承链的 MC 根版本**判,不是带加载器后缀的 version_id:
// `26w14a-fabric-0.16.5` 这种 id 在 `GameVersion::is_weekly_snapshot`(6 字符形态)上判不出来,
// 周快照的 `--graphicsBackend` 会在拼装链里被静默跳过——而详情页的门槛
// (`host::launch_args::backend_gate`)与 CLI 用的都是根版本,两边必须同一口径。
let (mc_version, _) = super::game::describe_version(env, &version_id);
let snapshot = SnapshotInput {
version_id: &version_id,
version_name: Some(&target.name),
version_type: None,
game_version: Some(mc_version.as_str()),
main_class: resolved.main_class.as_deref(),
jvm_arguments: &expanded.jvm,
game_arguments: &expanded.game,
legacy_arguments: resolved.minecraft_arguments.as_deref(),
libraries: &libraries,
natives: &natives,
primary_jar: env.game.version_jar(&jar_id),
game_dir,
assets_index: assets_index.as_deref(),
natives_dir: env.game.natives_dir(&version_id),
library_dir: env.game.libraries_dir(),
assets_root: assets_root.clone(),
game_assets: assets_root,
};
let overrides = super::launch_args::resolved(env, &target.id);
let java = pick_java(env, &version_id, overrides.java_path.as_deref());
let (auth, identity_line) = super::identity::resolve(env, target.account.as_deref())?;
let options = AdapterOptions {
java: java.selection,
memory: MemoryOptions {
min_mb: None,
max_mb: Some(overrides.memory_mb),
},
auth,
launcher_name: LAUNCHER_NAME.to_string(),
launcher_version: env!("CARGO_PKG_VERSION").to_string(),
language: "zh-CN".to_string(),
..AdapterOptions::strict()
};
let output = adapter::build_request(&snapshot, options);
let mut warnings: Vec<String> = output.warnings.iter().map(describe_warning).collect();
warnings.push(java.summary);
warnings.push(identity_line);
let mut request = output.request;
request.instance.id = target.id.clone();
request.instance.name = target.name.clone();
// 实例级启动参数(三级回落后的生效值)最后落位:user.* / memory / graphics_backend。
unlucky_core::launch::overrides::apply(&mut request, &overrides);
Ok((request, warnings))
}
/// 派生运行目录(D20 覆盖链:实例 `isolation` > 全局 `instances.mode`)。
fn run_dir(env: &HostEnv, target: &LaunchTarget) -> Result<PathBuf, LaunchFailureView> {
let global = super::game::global_mode(env);
let config = read_instance_config(&env.layout, &target.id).map_err(|error| {
LaunchFailureView::new(LaunchFailureStage::InstanceConfig, error.to_string())
})?;
let derivation = derive_game_dir(&env.game, &target.version_id, global, config.as_ref(), None)
.map_err(|error| {
LaunchFailureView::new(LaunchFailureStage::Isolation, error.to_string())
})?;
if let Some(mut config) = config {
let at = format_rfc3339_millis(now());
if observe_mode(&mut config, &env.game, &at, derivation.isolation).unwrap_or(false) {
let _ =
unlucky_core::game::install::instance::write_instance_config(&env.layout, &config);
}
}
Ok(derivation.game_dir)
}
/// 起一次启动(后台线程;进度/日志/收尾全部走 `HostTask`)。
pub fn start(env: HostEnv, tx: JobSender, target: LaunchTarget) {
let id = target.id.clone();
let tx_progress = tx.clone();
super::job::spawn("launch", move || {
// M187:启动器自己的运行日志从这里开始有落点(早于这一拍的行由 core 缓冲接住)。
let logs_dir = env.layout.logs();
launcher_log::set_dir(&logs_dir);
let started_at = std::time::SystemTime::now();
let mut report = ReportContext::new(
&target.id,
&target.name,
&target.version_id,
&env.data.game_home,
&logs_dir,
started_at,
unlucky_core::platform::os_info::current().summary_line(),
);
let _ = tx_progress.send(HostTask::Runtime {
id: id.clone(),
runtime: InstanceRuntime::Busy {
stage: LaunchStage::Launch,
progress: Progress { done: 0, total: 1 },
},
});
let (request, warnings) = match build_request(&env, &target) {
Ok(ok) => ok,
Err(failure) => {
let line = format!("instance={} 装配失败:{}", target.id, failure.detail);
launcher_log::record("launch", &line);
publish_before_start(&report, failure.stage.slug(), &failure.detail);
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: String::new(),
outcome: LogOutcome::Crashed,
exit_code: None,
uptime_ms: 0,
failure: Some(failure),
})));
return;
}
};
report.run_dir = request.dirs.game_dir.clone();
report.version_json = Some(env.game.version_json(&target.version_id));
report.java = format!(
"{} (major {})",
request.java.binary.display(),
request.java.major
);
for warning in &warnings {
let _ = tx.send(HostTask::Notice(Box::new(crate::dto::NoticeView::new(
&format!("launch-warn:{}", target.id),
crate::dto::NoticeLevel::Info,
"启动提示",
warning,
))));
}
// 命令行(脱敏版)进启动器日志:事故之后「到底用什么参数起的」是第一个要看的。
let line = format!(
"instance={} game_dir={} java={} memory={}MB",
target.id,
report.run_dir.display(),
report.java,
request.memory.max_mb.unwrap_or(0)
);
launcher_log::record("launch", &line);
let config = LauncherConfig::new(env.sessions_root())
.with_launcher(LAUNCHER_NAME, env!("CARGO_PKG_VERSION"));
let session = match Launcher::new(config).spawn(&request) {
Ok(session) => session,
Err(error) => {
let failure = LaunchFailureView::new(LaunchFailureStage::Spawn, error.to_string());
launcher_log::record(
"launch",
&format!("instance={} spawn 失败:{error}", target.id),
);
publish_before_start(&report, "spawn", &failure.detail);
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: String::new(),
outcome: LogOutcome::Crashed,
exit_code: None,
uptime_ms: 0,
failure: Some(failure),
})));
return;
}
};
let session_id = session.session_id().to_string();
let pid = session.pid();
let _ = tx.send(HostTask::LaunchStarted {
id: id.clone(),
session_id: session_id.clone(),
pid,
});
let _ = tx.send(HostTask::Runtime {
id: id.clone(),
runtime: InstanceRuntime::Running { pid },
});
match session.finish() {
Ok(handle) => {
let outcome = super::identity::outcome_of(&handle);
let line = format!(
"instance={} session={session_id} exit={} type={} uptime={}ms outcome={:?} artifacts={}",
target.id,
handle.exit.code,
handle.exit.exit_type.as_str(),
handle.uptime_ms,
outcome,
handle.artifacts.len()
);
launcher_log::record("launch", &line);
report.secrets.push(session_id.clone());
let lines: Vec<String> = super::logs::read_lines(&handle.log_path)
.into_iter()
.map(|line| line.text)
.collect();
crash_report::publish(CrashReport::collect(&handle, &report, &lines));
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: session_id,
outcome,
exit_code: Some(handle.exit.code),
uptime_ms: handle.uptime_ms,
// 跑起来再崩不算「装配失败」:结局由 `outcome` 表达,这里留 `None`。
failure: None,
})));
}
Err(error) => {
let failure = LaunchFailureView::new(LaunchFailureStage::Spawn, error.to_string());
let line = format!(
"instance={} session={session_id} 收尾失败:{error}",
target.id
);
launcher_log::record("launch", &line);
publish_before_start(&report, "spawn", &failure.detail);
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: session_id,
outcome: LogOutcome::SilentFail,
exit_code: None,
uptime_ms: 0,
failure: Some(failure),
})));
}
}
});
}
/// 登记一次「进程没起来」的现场(四个失败出口共用这一处,避免各写一遍 exit_type)。
fn publish_before_start(report: &ReportContext, stage: &str, detail: &str) {
crash_report::publish(CrashReport::before_start(report, stage, detail, stage));
}
/// 停止一次启动(按 pid 回收进程树;`finish()` 会在后台线程里照常收尾)。
pub fn stop(pid: u32) -> Result<(), String> {
tree_kill::kill_tree(pid, std::time::Duration::from_secs(3))
.map_err(|error| format!("停止进程 {pid} 失败:{error}"))
}
/// 适配层告警 → 人读一行。
fn describe_warning(warning: &AdapterWarning) -> String {
match warning {
AdapterWarning::MissingLibrary { name, path } => {
format!("缺少库文件 {name}({})", path.display())
}
AdapterWarning::MissingGameArguments => "版本 JSON 没有游戏参数".to_string(),
AdapterWarning::MissingAssetsIndex => "版本 JSON 没有资源索引".to_string(),
AdapterWarning::MissingMainClass => "版本 JSON 没有 mainClass".to_string(),
AdapterWarning::MissingNativeJar { name, path } => {
format!("缺少 natives 构件 {name}({})", path.display())
}
}
}
/// 隔离档位的展示串(`isolated` / `shared`)。
pub fn isolation_label(mode: IsolationMode) -> &'static str {
mode.as_str()
}
#[cfg(test)]
mod tests;