chore: 恢复旧布局基线(迁移改动丢失后重建,apps/packages 布局暂存)

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logan committed 2026-10-14 20:31:17 +08:00
1 parent a9510235bb
commit 456fa6954b
203 files changed
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mod sidecar;
use tauri::Manager;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::time::{Duration, Instant};
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct BodySpec {
mode: String,
raw: Option<String>,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct HttpSpec {
method: String,
url: String,
#[serde(default)]
headers: HashMap<String, String>,
query: Option<HashMap<String, String>>,
body: Option<BodySpec>,
timeout_ms: Option<u64>,
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
struct HttpResult {
status: u16,
headers: HashMap<String, String>,
body: String,
time_ms: u128,
size: usize,
}
#[derive(Debug, Deserialize)]
struct WsSpec {
url: String,
protocols: Option<Vec<String>>,
headers: Option<HashMap<String, String>>,
}
fn validate_http_url(raw: &str) -> Result<url::Url, String> {
let parsed = url::Url::parse(raw).map_err(|e| format!("invalid URL: {e}"))?;
match parsed.scheme() {
"http" | "https" => {}
_ => return Err("only http/https schemes are allowed".into()),
}
match parsed.host_str().unwrap_or("").to_ascii_lowercase().as_str() {
"169.254.169.254" | "metadata.google.internal" => {
return Err("blocked metadata host".into())
}
_ => {}
}
Ok(parsed)
}
#[tauri::command]
async fn http_send(spec: HttpSpec) -> Result<HttpResult, String> {
let mut url = validate_http_url(&spec.url)?;
if let Some(query) = &spec.query {
let mut pairs = url.query_pairs_mut();
for (key, value) in query {
pairs.append_pair(key, value);
}
}
let method = reqwest::Method::from_bytes(spec.method.as_bytes())
.map_err(|e| format!("invalid method: {e}"))?;
let timeout = Duration::from_millis(spec.timeout_ms.unwrap_or(30_000));
let client = reqwest::Client::builder()
.timeout(timeout)
.build()
.map_err(|e| e.to_string())?;
let mut request = client.request(method, url);
for (key, value) in spec.headers {
request = request.header(&key, &value);
}
if let Some(body) = spec.body {
if body.mode != "none" {
request = request.body(body.raw.unwrap_or_default());
}
}
let started = Instant::now();
let response = request.send().await.map_err(|e| e.to_string())?;
let status = response.status().as_u16();
let headers = response
.headers()
.iter()
.map(|(k, v)| (k.to_string(), v.to_str().unwrap_or("").to_string()))
.collect();
let bytes = response.bytes().await.map_err(|e| e.to_string())?;
let size = bytes.len();
let body = String::from_utf8_lossy(&bytes).into_owned();
Ok(HttpResult {
status,
headers,
body,
time_ms: started.elapsed().as_millis(),
size,
})
}
#[tauri::command]
async fn ws_connect(spec: WsSpec) -> Result<String, String> {
let _ = (&spec.protocols, &spec.headers);
// TODO(week2): hold WebSocket sessions in managed state and emit messages.
Err(format!(
"WebSocket native tunnel is not implemented yet for {} (use browser WS in MVP)",
spec.url
))
}
#[tauri::command]
async fn ws_send(session_id: String, data: String) -> Result<(), String> {
let _ = (session_id, data);
Err("WebSocket native send is a Week 2 stub".into())
}
#[tauri::command]
async fn ws_close(session_id: String) -> Result<(), String> {
let _ = session_id;
Ok(())
}
/// 前端启动时拉取后端地址与 token(注入 window.__OPSXDB_API__/__OPSXDB_TOKEN__)。
#[tauri::command]
fn get_backend_config(
state: tauri::State<'_, sidecar::SidecarState>,
) -> Result<sidecar::BackendConfig, String> {
state
.backend_config()
.ok_or_else(|| "后端尚未就绪".to_string())
}
#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
tauri::Builder::default()
.plugin(tauri_plugin_opener::init())
.plugin(tauri_plugin_single_instance::init(|app, _args, _cwd| {
// 二次启动聚焦已有窗口
if let Some(w) = app.get_webview_window("main") {
let _ = w.show();
let _ = w.unminimize();
let _ = w.set_focus();
}
}))
.plugin(tauri_plugin_window_state::Builder::default().build())
.manage(sidecar::SidecarState::default())
.setup(|app| {
let state = app.state::<sidecar::SidecarState>();
sidecar::ensure_backend(app.handle(), &state);
Ok(())
})
.invoke_handler(tauri::generate_handler![
http_send,
ws_connect,
ws_send,
ws_close,
get_backend_config
])
.build(tauri::generate_context!())
.expect("error while building OpsxDB desktop")
.run(|app, event| {
let state = app.state::<sidecar::SidecarState>();
sidecar::on_run_event(app, &event, &state);
});
}
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fn main() {
opsxdb_desktop_lib::run();
}
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//! 桌面启动时拉起本机 OpsxDB Gin 后端。
//! - 动态端口:TcpListener 绑 127.0.0.1:0 选空闲端口,OPSXDB_ADDR 传子进程;
//! - 每次自起生成随机 token,OPSXDB_TOKEN 传子进程,与 addr 一起经 get_backend_config 注入前端;
//! - 复用 8788 上已运行后端前先比对 /health 版本主版本,不匹配则换端口自起;
//! - 失败时 emit "opsxdb://backend-failed",后端 stdout/stderr 重定向到 app_log_dir/opsxdb-server.log。
use std::path::PathBuf;
use std::process::{Child, Command, Stdio};
use std::sync::Mutex;
use std::thread;
use std::time::Duration;
use tauri::{AppHandle, Emitter, Manager, RunEvent};
const DEFAULT_ADDR: &str = "127.0.0.1:8788";
/// 与服务端 cmd/opsxdb main.go Version 保持一致,复用前比对主版本。
const BACKEND_VERSION: &str = "0.1.0";
const EVENT_BACKEND_FAILED: &str = "opsxdb://backend-failed";
#[derive(Clone, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct BackendConfig {
pub addr: String,
pub token: String,
}
pub struct SidecarState {
child: Mutex<Option<Child>>,
config: Mutex<Option<BackendConfig>>,
}
impl Default for SidecarState {
fn default() -> Self {
Self {
child: Mutex::new(None),
config: Mutex::new(None),
}
}
}
impl SidecarState {
fn set_config(&self, cfg: BackendConfig) {
if let Ok(mut g) = self.config.lock() {
*g = Some(cfg);
}
}
pub fn backend_config(&self) -> Option<BackendConfig> {
self.config.lock().ok().and_then(|g| g.clone())
}
}
fn version_major(v: &str) -> &str {
v.split('.').next().unwrap_or("")
}
/// GET /health 并解析版本;失败或非 200 返回 None。
fn health_version(addr: &str) -> Option<String> {
let resp = reqwest::blocking::Client::builder()
.timeout(Duration::from_secs(1))
.build()
.ok()?
.get(format!("http://{addr}/health"))
.send()
.ok()?;
if !resp.status().is_success() {
return None;
}
let v: serde_json::Value = resp.json().ok()?;
v.get("version")?.as_str().map(|s| s.to_string())
}
fn health_ok(addr: &str) -> bool {
health_version(addr).is_some()
}
/// 尝试复用 8788 上已在运行的后端:仅当主版本一致才复用,
/// 否则换端口自起而非静默连上旧版本。
fn try_reuse_existing(state: &SidecarState) -> bool {
match health_version(DEFAULT_ADDR) {
Some(v) if version_major(&v) == version_major(BACKEND_VERSION) => {
// 复用路径拿不到对方 token,按本机 dev 无鉴权处理
state.set_config(BackendConfig {
addr: format!("http://{DEFAULT_ADDR}"),
token: String::new(),
});
true
}
Some(v) => {
eprintln!(
"opsxdb: 已有后端版本 {v} 与期望 {BACKEND_VERSION} 主版本不匹配,改自动态端口自起"
);
false
}
None => false,
}
}
/// 绑 127.0.0.1:0 选一个空闲端口(立即释放,交给子进程绑定)。
fn pick_free_port() -> Option<u16> {
let ln = std::net::TcpListener::bind("127.0.0.1:0").ok()?;
ln.local_addr().ok().map(|a| a.port())
}
fn gen_token() -> String {
use rand::RngCore;
let mut b = [0u8; 32];
rand::thread_rng().fill_bytes(&mut b);
b.iter().map(|x| format!("{x:02x}")).collect()
}
fn candidate_bins(app: &AppHandle) -> Vec<PathBuf> {
// Windows 产物为 opsxdb-server.exe
let bin = format!("opsxdb-server{}", std::env::consts::EXE_EXTENSION);
let mut out = Vec::new();
// 打包资源:externalBin → 与可执行文件同级的 binaries 或 resource
if let Ok(dir) = app.path().resource_dir() {
out.push(dir.join(&bin));
out.push(dir.join("binaries").join(&bin));
}
if let Ok(exe) = app.path().executable_dir() {
out.push(exe.join(&bin));
out.push(exe.join("binaries").join(&bin));
}
// 开发态:仓库 apps/server/bin
out.push(PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../server/bin").join(&bin));
out.push(PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../apps/server/bin").join(&bin));
out
}
/// 后端 stdout/stderr 重定向到 app_log_dir/opsxdb-server.log。
fn server_log_file(app: &AppHandle) -> Option<std::fs::File> {
let dir = app.path().app_log_dir().ok()?;
std::fs::create_dir_all(&dir).ok()?;
std::fs::File::create(dir.join("opsxdb-server.log")).ok()
}
fn spawn_server(
bin: &PathBuf,
addr: &str,
token: &str,
log_file: Option<&std::fs::File>,
) -> std::io::Result<Child> {
let mut cmd = Command::new(bin);
cmd.env("OPSXDB_ADDR", addr)
.env("OPSXDB_TOKEN", token)
.env("GIN_MODE", "release");
match log_file {
Some(f) => {
let err_f = f.try_clone()?;
cmd.stdout(Stdio::from(f.try_clone()?)).stderr(Stdio::from(err_f));
}
None => {
cmd.stdout(Stdio::null()).stderr(Stdio::null());
}
}
cmd.spawn()
}
pub fn ensure_backend(app: &AppHandle, state: &SidecarState) {
if try_reuse_existing(state) {
return;
}
let Some(port) = pick_free_port() else {
let _ = app.emit(EVENT_BACKEND_FAILED, "无法分配空闲端口");
return;
};
let addr = format!("127.0.0.1:{port}");
let token = gen_token();
let log_file = server_log_file(app);
let mut last_err = String::from("未找到后端二进制");
for bin in candidate_bins(app) {
if !bin.exists() {
continue;
}
match spawn_server(&bin, &addr, &token, log_file.as_ref()) {
Ok(child) => {
*state.child.lock().unwrap() = Some(child);
for _ in 0..30 {
if health_ok(&addr) {
state.set_config(BackendConfig {
addr: format!("http://{addr}"),
token: token.clone(),
});
return;
}
thread::sleep(Duration::from_millis(100));
}
last_err = format!("后端启动后健康检查超时({})", bin.display());
}
Err(e) => {
last_err = format!("启动 {} 失败: {e}", bin.display());
continue;
}
}
}
let _ = app.emit(EVENT_BACKEND_FAILED, last_err);
}
pub fn stop_backend(state: &SidecarState) {
if let Ok(mut g) = state.child.lock() {
if let Some(mut child) = g.take() {
let _ = child.kill();
let _ = child.wait();
}
}
}
pub fn on_run_event(app: &AppHandle, event: &RunEvent, state: &SidecarState) {
if matches!(event, RunEvent::Exit | RunEvent::ExitRequested { .. }) {
stop_backend(state);
let _ = app;
}
}