Split DNS results writing and data store writing

[dnsseed-rust] / src / datastore.rs

diff --git a/src/datastore.rs b/src/datastore.rs
index 05d8a1e9ba0ef54fc0fa539899afda08ddf40a4e..30d2c8e8b21431cf917c0ec6d1436c7016f3a07c 100644 (file)
--- a/src/datastore.rs
+++ b/src/datastore.rs
@@ -434,8 +434,12 @@ impl Store {
                        tokio::fs::rename(nodes_file.clone() + ".tmp", nodes_file)
                });
 
+               settings_future.join(nodes_future).then(|_| { future::ok(()) })
+       }
+
+       pub fn write_dns(&'static self) -> impl Future<Item=(), Error=()> {
                let dns_file = self.store.clone() + "/nodes.dump";
-               let dns_future = File::create(dns_file.clone() + ".tmp").and_then(move |f| {
+               File::create(dns_file.clone() + ".tmp").and_then(move |f| {
                        let mut dns_buff = String::new();
                        {
                                let mut rng = thread_rng();
@@ -505,9 +509,7 @@ impl Store {
                        f.poll_sync_all()
                }).and_then(|_| {
                        tokio::fs::rename(dns_file.clone() + ".tmp", dns_file)
-               });
-
-               settings_future.join3(nodes_future, dns_future).then(|_| { future::ok(()) })
+               }).then(|_| { future::ok(()) })
        }
 
        pub fn get_next_scan_nodes(&self) -> Vec<SocketAddr> {