Drop the connections/sec arg and just make it fit in the interval
[dnsseed-rust] / src / datastore.rs
index 2dbe37028fc781538fca01f4286e4c9c08d8221a..2f0e9a82d96297b8e72e3df45d742068dd2e4821 100644 (file)
@@ -18,6 +18,8 @@ use regex::Regex;
 
 use crate::bgp_client::BGPClient;
 
+pub const SECS_PER_SCAN_RESULTS: u64 = 15;
+
 #[derive(Clone, Copy, Hash, PartialEq, Eq)]
 pub enum AddressState {
        Untested,
@@ -106,7 +108,6 @@ impl AddressState {
 
 #[derive(Hash, PartialEq, Eq)]
 pub enum U64Setting {
-       ConnsPerSec,
        RunTimeout,
        WasGoodTimeout,
        RescanInterval(AddressState),
@@ -172,7 +173,6 @@ impl Store {
                                } }
                        }
                        let mut u64s = HashMap::with_capacity(AddressState::get_count() as usize + 4);
-                       u64s.insert(U64Setting::ConnsPerSec, try_read!(l, u64));
                        u64s.insert(U64Setting::RunTimeout, try_read!(l, u64));
                        u64s.insert(U64Setting::WasGoodTimeout, try_read!(l, u64));
                        u64s.insert(U64Setting::MinProtocolVersion, try_read!(l, u64));
@@ -194,10 +194,9 @@ impl Store {
                        future::ok((u64s, try_read!(l, Regex)))
                }).or_else(|_| -> future::FutureResult<(HashMap<U64Setting, u64>, Regex), ()> {
                        let mut u64s = HashMap::with_capacity(15);
-                       u64s.insert(U64Setting::ConnsPerSec, 10);
                        u64s.insert(U64Setting::RunTimeout, 120);
                        u64s.insert(U64Setting::WasGoodTimeout, 21600);
-                       u64s.insert(U64Setting::RescanInterval(AddressState::Untested), 0);
+                       u64s.insert(U64Setting::RescanInterval(AddressState::Untested), 1);
                        u64s.insert(U64Setting::RescanInterval(AddressState::LowBlockCount), 3600);
                        u64s.insert(U64Setting::RescanInterval(AddressState::HighBlockCount), 7200);
                        u64s.insert(U64Setting::RescanInterval(AddressState::LowVersion), 21600);
@@ -386,8 +385,7 @@ impl Store {
        pub fn save_data(&'static self) -> impl Future<Item=(), Error=()> {
                let settings_file = self.store.clone() + "/settings";
                let settings_future = File::create(settings_file.clone() + ".tmp").and_then(move |f| {
-                       let settings_string = format!("{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}",
-                               self.get_u64(U64Setting::ConnsPerSec),
+                       let settings_string = format!("{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}",
                                self.get_u64(U64Setting::RunTimeout),
                                self.get_u64(U64Setting::WasGoodTimeout),
                                self.get_u64(U64Setting::MinProtocolVersion),
@@ -529,18 +527,17 @@ impl Store {
        }
 
        pub fn get_next_scan_nodes(&self) -> Vec<SocketAddr> {
-               let results = 30 * self.get_u64(U64Setting::ConnsPerSec) as usize;
-               let per_bucket_results = results / (AddressState::get_count() as usize);
-               let mut res = Vec::with_capacity(results);
+               let mut res = Vec::with_capacity(128);
                let cur_time = Instant::now();
 
                {
                        let mut nodes = self.nodes.write().unwrap();
                        for (idx, state_nodes) in nodes.state_next_scan.iter_mut().enumerate() {
-                               let cmp_time = cur_time - Duration::from_secs(self.get_u64(U64Setting::RescanInterval(AddressState::from_num(idx as u8).unwrap())));
-                               let split_point = cmp::min(cmp::min(results - res.len(), (per_bucket_results * (idx + 1)) - res.len()),
-                                               state_nodes.binary_search_by(|a| a.0.cmp(&cmp_time)).unwrap_or_else(|idx| idx));
-                               let mut new_nodes = state_nodes.split_off(split_point);
+                               let rescan_interval = cmp::max(self.get_u64(U64Setting::RescanInterval(AddressState::from_num(idx as u8).unwrap())), 1);
+                               let cmp_time = cur_time - Duration::from_secs(rescan_interval);
+                               let split_point = cmp::min(SECS_PER_SCAN_RESULTS * state_nodes.len() as u64 / rescan_interval,
+                                               state_nodes.binary_search_by(|a| a.0.cmp(&cmp_time)).unwrap_or_else(|idx| idx) as u64);
+                               let mut new_nodes = state_nodes.split_off(split_point as usize);
                                mem::swap(&mut new_nodes, state_nodes);
                                for (_, node) in new_nodes.drain(..) {
                                        res.push(node);