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use std::path::PathBuf;
use tokio::sync::watch;
use garage_util::background::*;
use garage_util::config::*;
use garage_util::error::Error;
use garage_api::run_api_server;
use garage_model::garage::Garage;
use garage_web::run_web_server;
use crate::admin_rpc::*;
async fn wait_from(mut chan: watch::Receiver<bool>) {
while !*chan.borrow() {
if chan.changed().await.is_err() {
return;
}
}
}
pub async fn run_server(config_file: PathBuf) -> Result<(), Error> {
info!("Loading configuration...");
let config = read_config(config_file).expect("Unable to read config file");
info!("Opening database...");
let mut db_path = config.metadata_dir.clone();
db_path.push("db");
let db = sled::Config::default()
.path(&db_path)
.cache_capacity(config.sled_cache_capacity)
.flush_every_ms(Some(config.sled_flush_every_ms))
.open()
.expect("Unable to open sled DB");
info!("Initializing background runner...");
let watch_cancel = netapp::util::watch_ctrl_c();
let (background, await_background_done) = BackgroundRunner::new(16, watch_cancel.clone());
info!("Initializing Garage main data store...");
let garage = Garage::new(config.clone(), db, background);
let run_system = tokio::spawn(garage.system.clone().run(watch_cancel.clone()));
info!("Crate admin RPC handler...");
AdminRpcHandler::new(garage.clone());
info!("Initializing API server...");
let api_server = tokio::spawn(run_api_server(
garage.clone(),
wait_from(watch_cancel.clone()),
));
info!("Initializing web server...");
let web_server = tokio::spawn(run_web_server(
garage.clone(),
wait_from(watch_cancel.clone()),
));
// Stuff runs
// When a cancel signal is sent, stuff stops
if let Err(e) = api_server.await? {
warn!("API server exited with error: {}", e);
}
if let Err(e) = web_server.await? {
warn!("Web server exited with error: {}", e);
}
// Remove RPC handlers for system to break reference cycles
garage.system.netapp.drop_all_handlers();
// Await for netapp RPC system to end
run_system.await?;
// Break last reference cycles so that stuff can terminate properly
garage.break_reference_cycles();
drop(garage);
// Await for all background tasks to end
await_background_done.await?;
info!("Cleaning up...");
Ok(())
}
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