Implemented periodic origin syncing

Cargo.lock

@@ -379,6 +379,7 @@ dependencies = [
  "tempdir",
  "thiserror",
  "tokio",
+ "tokio-util",
  "trust-dns-client",
 ]
 

Cargo.toml

@@ -31,3 +31,4 @@ mime_guess = "2.0.4"
 hyper = { version = "0.14.26", features = [ "server" ]}
 http = "0.2.9"
 serde_urlencoded = "0.7.1"
+tokio-util = "0.7.8"

src/main.rs

@@ -2,7 +2,8 @@ use clap::Parser;
 use futures::stream::StreamExt;
 use signal_hook::consts::signal;
 use signal_hook_tokio::Signals;
-use tokio::sync::oneshot;
+use tokio::select;
+use tokio::time;
 
 use std::convert::Infallible;
 use std::net::SocketAddr;
@@ -10,6 +11,8 @@ use std::path;
 use std::str::FromStr;
 use std::sync;
 
+use domiply::origin::store::Store;
+
 #[derive(Parser, Debug)]
 #[command(version)]
 #[command(about = "A domiply to another dimension")]
@@ -46,28 +49,70 @@ fn main() {
             .unwrap(),
     );
 
-    let (stop_ch_tx, stop_ch_rx) = tokio_runtime.block_on(async { oneshot::channel() });
+    let canceller = tokio_runtime.block_on(async { tokio_util::sync::CancellationToken::new() });
 
-    // set up signal handling, stop_ch_rx will be used to signal that the stop signal has been
-    // received
-    tokio_runtime.spawn(async move {
-        let mut signals = Signals::new(&[signal::SIGTERM, signal::SIGINT, signal::SIGQUIT])
-            .expect("initialized signals");
+    {
+        let canceller = canceller.clone();
+        tokio_runtime.spawn(async move {
+            let mut signals = Signals::new(&[signal::SIGTERM, signal::SIGINT, signal::SIGQUIT])
+                .expect("initialized signals");
 
-        if let Some(_) = signals.next().await {
-            println!("Gracefully shutting down...");
-            let _ = stop_ch_tx.send(());
-        }
+            if let Some(_) = signals.next().await {
+                println!("Gracefully shutting down...");
+                canceller.cancel();
+            }
 
-        if let Some(_) = signals.next().await {
-            println!("Forcefully shutting down");
-            std::process::exit(1);
-        };
-    });
+            if let Some(_) = signals.next().await {
+                println!("Forcefully shutting down");
+                std::process::exit(1);
+            };
+        });
+    }
 
     let origin_store = domiply::origin::store::git::new(config.origin_store_git_dir_path)
         .expect("git origin store initialized");
 
+    let origin_syncer_handler = {
+        let origin_store = origin_store.clone();
+        let canceller = canceller.clone();
+
+        tokio_runtime.spawn(async move {
+            let mut interval = time::interval(time::Duration::from_secs(20 * 60));
+            interval.tick().await;
+
+            loop {
+                origin_store
+                    .all_descrs()
+                    .expect("got all_descrs iter")
+                    .into_iter()
+                    .for_each(|descr| {
+                        if canceller.is_cancelled() {
+                            return;
+                        }
+
+                        if let Err(err) = descr {
+                            println!("failed iterating origins: {err}");
+                            return;
+                        }
+
+                        let descr = descr.unwrap();
+
+                        println!("syncing origin: {descr:?}");
+                        if let Err(err) =
+                            origin_store.sync(descr.clone(), domiply::origin::store::Limits {})
+                        {
+                            println!("error syncing origin {descr:?}: {err}");
+                        }
+                    });
+
+                select! {
+                _ = interval.tick() => continue,
+                _ = canceller.cancelled() => return,
+                }
+            }
+        })
+    };
+
     let domain_checker = domiply::domain::checker::new(
         tokio_runtime.clone(),
         config.domain_checker_target_aaaa,
@@ -103,20 +148,27 @@ fn main() {
             async move { Ok::<_, Infallible>(service) }
         });
 
-    tokio_runtime.block_on(async {
-        let addr = config.http_listen_addr;
+    let server_handler = {
+        let canceller = canceller.clone();
+        tokio_runtime.spawn(async move {
+            let addr = config.http_listen_addr;
 
-        println!("Listening on {addr}");
-        let server = hyper::Server::bind(&addr).serve(make_service);
+            println!("Listening on {addr}");
+            let server = hyper::Server::bind(&addr).serve(make_service);
 
-        let graceful = server.with_graceful_shutdown(async {
-            stop_ch_rx.await.ok();
-        });
+            let graceful = server.with_graceful_shutdown(async {
+                canceller.cancelled().await;
+            });
+
+            if let Err(e) = graceful.await {
+                panic!("server error: {}", e);
+            };
+        })
+    };
 
-        if let Err(e) = graceful.await {
-            panic!("server error: {}", e);
-        }
-    });
+    tokio_runtime
+        .block_on(async { futures::try_join!(origin_syncer_handler, server_handler) })
+        .unwrap();
 
     println!("Graceful shutdown complete");
 }

src/origin/store.rs

@@ -41,17 +41,13 @@ pub enum AllDescrsError {
 /// Used in the return from all_descrs from Store.
 pub type AllDescrsResult<T> = Result<T, AllDescrsError>;
 
-#[mockall::automock(
-    type Origin=origin::MockOrigin;
-    type AllDescrsIter=Vec<AllDescrsResult<origin::Descr>>;
-    )]
 /// Describes a storage mechanism for Origins. Each Origin is uniquely identified by its Descr.
-pub trait Store: std::marker::Send + std::marker::Sync {
+pub trait Store: Send + Sync + Clone {
     type Origin<'store>: origin::Origin + 'store
     where
         Self: 'store;
 
-    type AllDescrsIter<'store>: IntoIterator<Item = AllDescrsResult<origin::Descr>> + 'store
+    type AllDescrsIter<'store>: IntoIterator<Item = AllDescrsResult<origin::Descr>> + Send + 'store
     where
         Self: 'store;
 

src/origin/store/git.rs

@@ -67,11 +67,11 @@ struct Store {
 
 pub fn new(dir_path: PathBuf) -> io::Result<impl super::Store> {
     fs::create_dir_all(&dir_path)?;
-    Ok(Store {
+    Ok(sync::Arc::new(Store {
         dir_path,
         sync_guard: sync::Mutex::new(collections::HashMap::new()),
         origins: sync::RwLock::new(collections::HashMap::new()),
-    })
+    }))
 }
 
 impl Store {
@@ -191,11 +191,11 @@ impl Store {
     }
 }
 
-impl super::Store for Store {
+impl super::Store for sync::Arc<Store> {
     type Origin<'store> = sync::Arc<Origin>
             where Self: 'store;
 
-    type AllDescrsIter<'store> = Box<dyn Iterator<Item = store::AllDescrsResult<origin::Descr>> + 'store>
+    type AllDescrsIter<'store> = Box<dyn Iterator<Item = store::AllDescrsResult<origin::Descr>> + Send + 'store>
            where Self: 'store;
 
     fn sync(&self, descr: origin::Descr, limits: store::Limits) -> Result<(), store::SyncError> {