Files
thoughts/thoughts-backend/src/tokio.rs

56 lines
1.8 KiB
Rust

use api::{setup_config, setup_db, setup_router};
use utils::migrate;
async fn worker(child_num: u32, db_url: &str, prefork: bool, listener: std::net::TcpListener) {
let conn = setup_db(db_url, prefork).await;
if child_num == 0 {
migrate(&conn).await.expect("Migration failed!");
}
let config = setup_config();
let router = setup_router(conn, &config);
let listener = tokio::net::TcpListener::from_std(listener).expect("bind to port");
axum::serve(listener, router).await.expect("start server");
}
#[cfg(feature = "prefork")]
fn run_prefork(db_url: &str, listener: std::net::TcpListener) {
let db_url: &'static str = Box::leak(db_url.to_owned().into_boxed_str());
let num_of_cores = std::thread::available_parallelism().unwrap().get() as u32;
let is_parent = prefork::Prefork::from_resource(listener)
.with_num_processes(num_of_cores)
.with_tokio(move |child_num, listener| worker(child_num, db_url, true, listener))
.fork()
.expect("prefork failed");
if is_parent {
tracing::info!("All workers stopped");
}
}
fn run_non_prefork(db_url: &str, listener: std::net::TcpListener) {
let rt = tokio::runtime::Runtime::new().unwrap();
rt.block_on(worker(0, db_url, false, listener));
}
pub fn run() {
tracing::info!("Starting server...");
let config = setup_config();
let listener = std::net::TcpListener::bind(config.get_server_url()).expect("bind to port");
listener.set_nonblocking(true).expect("non blocking failed");
tracing::info!("listening on http://{}", listener.local_addr().unwrap());
#[cfg(feature = "prefork")]
if config.prefork {
run_prefork(&config.db_url, listener);
return;
}
run_non_prefork(&config.db_url, listener);
}