continuwuity/src/main/main.rs
Jason Volk 1108235c63 misc simplifications and cleanup
Signed-off-by: Jason Volk <jason@zemos.net>
2024-06-02 20:17:45 +00:00

96 lines
2.5 KiB
Rust

pub(crate) mod clap;
mod mods;
mod server;
extern crate conduit_core as conduit;
use std::{cmp, sync::Arc, time::Duration};
use conduit::{debug_info, error, utils::available_parallelism, Error, Result};
use server::Server;
use tokio::runtime;
const WORKER_NAME: &str = "conduwuit:worker";
const WORKER_MIN: usize = 2;
const WORKER_KEEPALIVE_MS: u64 = 2500;
fn main() -> Result<(), Error> {
let args = clap::parse();
let runtime = runtime::Builder::new_multi_thread()
.enable_io()
.enable_time()
.thread_name(WORKER_NAME)
.worker_threads(cmp::max(WORKER_MIN, available_parallelism()))
.thread_keep_alive(Duration::from_millis(WORKER_KEEPALIVE_MS))
.build()
.expect("built runtime");
let server: Arc<Server> = Server::build(args, Some(runtime.handle()))?;
runtime.block_on(async_main(&server))?;
// explicit drop here to trace thread and tls dtors
drop(runtime);
debug_info!("Exit");
Ok(())
}
/// Operate the server normally in release-mode static builds. This will start,
/// run and stop the server within the asynchronous runtime.
#[cfg(not(conduit_mods))]
async fn async_main(server: &Arc<Server>) -> Result<(), Error> {
extern crate conduit_router as router;
use tracing::error;
if let Err(error) = router::start(&server.server).await {
error!("Critical error starting server: {error}");
return Err(error);
}
if let Err(error) = router::run(&server.server).await {
error!("Critical error running server: {error}");
return Err(error);
}
if let Err(error) = router::stop(&server.server).await {
error!("Critical error stopping server: {error}");
return Err(error);
}
debug_info!("Exit runtime");
Ok(())
}
/// Operate the server in developer-mode dynamic builds. This will start, run,
/// and hot-reload portions of the server as-needed before returning for an
/// actual shutdown. This is not available in release-mode or static builds.
#[cfg(conduit_mods)]
async fn async_main(server: &Arc<Server>) -> Result<(), Error> {
let mut starts = true;
let mut reloads = true;
while reloads {
if let Err(error) = mods::open(server).await {
error!("Loading router: {error}");
return Err(error);
}
let result = mods::run(server, starts).await;
if let Ok(result) = result {
(starts, reloads) = result;
}
let force = !reloads || result.is_err();
if let Err(error) = mods::close(server, force).await {
error!("Unloading router: {error}");
return Err(error);
}
if let Err(error) = result {
error!("{error}");
return Err(error);
}
}
debug_info!("Exit runtime");
Ok(())
}