echoes/backend/src/main.rs

117 lines
3.3 KiB
Rust

mod api;
mod common;
mod security;
mod storage;
use crate::common::config;
use common::error::{CustomErrorInto, CustomResult};
use rocket::Shutdown;
use std::sync::Arc;
use storage::sql;
use tokio::sync::Mutex;
pub struct AppState {
db: Arc<Mutex<Option<sql::Database>>>,
shutdown: Arc<Mutex<Option<Shutdown>>>,
restart_progress: Arc<Mutex<bool>>,
}
impl AppState {
pub fn new() -> Self {
Self {
db: Arc::new(Mutex::new(None)),
shutdown: Arc::new(Mutex::new(None)),
restart_progress: Arc::new(Mutex::new(false)),
}
}
pub async fn sql_get(&self) -> CustomResult<sql::Database> {
self.db
.lock()
.await
.clone()
.ok_or_else(|| "数据库未连接".into_custom_error())
}
pub async fn sql_link(&self, config: &config::SqlConfig) -> CustomResult<()> {
match sql::Database::link(config).await {
Ok(db) => {
*self.db.lock().await = Some(db);
Ok(())
}
Err(e) => {
Err(e)
}
}
}
pub async fn set_shutdown(&self, shutdown: Shutdown) {
*self.shutdown.lock().await = Some(shutdown);
}
pub async fn trigger_restart(&self) -> CustomResult<()> {
*self.restart_progress.lock().await = true;
if let Ok(db) = self.sql_get().await{
db.get_db().close().await?;
}
self.shutdown
.lock()
.await
.take()
.ok_or_else(|| "未能获取rocket的shutdown".into_custom_error())?
.notify();
Ok(())
}
}
#[rocket::main]
async fn main() -> CustomResult<()> {
let config = config::Config::read().unwrap_or_else(|e| {
eprintln!("配置读取失败: {}", e);
config::Config::default()
});
let state = Arc::new(AppState::new());
let rocket_config = rocket::Config::figment()
.merge(("address", config.address))
.merge(("port", config.port));
let mut rocket_builder = rocket::build()
.configure(rocket_config)
.manage(state.clone());
if !config.init.sql {
rocket_builder = rocket_builder.mount("/", rocket::routes![api::setup::setup_sql]);
} else if !config.init.administrator {
rocket_builder = rocket_builder.mount("/", rocket::routes![api::setup::setup_account]);
} else {
state.sql_link(&config.sql_config).await?;
rocket_builder = rocket_builder
.mount("/auth/token", api::jwt_routes())
.mount("/config", api::configure_routes());
}
let rocket = rocket_builder.ignite().await?;
rocket
.state::<Arc<AppState>>()
.ok_or_else(|| "无法获取AppState".into_custom_error())?
.set_shutdown(rocket.shutdown())
.await;
rocket.launch().await?;
if *state.restart_progress.lock().await {
if let Ok(current_exe) = std::env::current_exe() {
match std::process::Command::new(current_exe).spawn() {
Ok(_) => println!("成功启动新进程"),
Err(e) => eprintln!("启动新进程失败: {}", e),
};
} else {
eprintln!("获取当前可执行文件路径失败");
}
}
std::process::exit(0);
}