X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fdatastore.rs;h=27987714d347f566ea79d662f6bc4343b9c314d8;hb=852e939be31574ea13b9f0da3056393d23d55753;hp=0eb2e8e7b9a21ea9d8444062efa15c9887644b1e;hpb=8b18f78f572b03bc0b69c9648f758066e0b0bc03;p=dnsseed-rust diff --git a/src/datastore.rs b/src/datastore.rs index 0eb2e8e..2798771 100644 --- a/src/datastore.rs +++ b/src/datastore.rs @@ -1,11 +1,11 @@ -use std::{cmp, mem}; +use std::cmp; use std::collections::{HashSet, HashMap, hash_map}; use std::sync::{Arc, RwLock}; -use std::net::SocketAddr; +use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6}; use std::time::{Duration, Instant}; use std::io::{BufRead, BufReader}; -use bitcoin::network::address::Address; +use bitcoin::network::address::{Address, AddrV2Message}; use rand::thread_rng; use rand::seq::{SliceRandom, IteratorRandom}; @@ -16,6 +16,11 @@ use tokio::io::write_all; use regex::Regex; +use crate::bgp_client::BGPClient; + +pub const SECS_PER_SCAN_RESULTS: u64 = 15; +const MAX_CONNS_PER_SEC_PER_STATUS: u64 = 30; + #[derive(Clone, Copy, Hash, PartialEq, Eq)] pub enum AddressState { Untested, @@ -27,10 +32,12 @@ pub enum AddressState { ProtocolViolation, Timeout, TimeoutDuringRequest, + TimeoutAwaitingPong, TimeoutAwaitingAddr, TimeoutAwaitingBlock, Good, WasGood, + EvilNode, } impl AddressState { @@ -45,10 +52,12 @@ impl AddressState { 0x6 => Some(AddressState::ProtocolViolation), 0x7 => Some(AddressState::Timeout), 0x8 => Some(AddressState::TimeoutDuringRequest), - 0x9 => Some(AddressState::TimeoutAwaitingAddr), - 0xa => Some(AddressState::TimeoutAwaitingBlock), - 0xb => Some(AddressState::Good), - 0xc => Some(AddressState::WasGood), + 0x9 => Some(AddressState::TimeoutAwaitingPong), + 0xa => Some(AddressState::TimeoutAwaitingAddr), + 0xb => Some(AddressState::TimeoutAwaitingBlock), + 0xc => Some(AddressState::Good), + 0xd => Some(AddressState::WasGood), + 0xe => Some(AddressState::EvilNode), _ => None, } } @@ -64,10 +73,12 @@ impl AddressState { AddressState::ProtocolViolation => 6, AddressState::Timeout => 7, AddressState::TimeoutDuringRequest => 8, - AddressState::TimeoutAwaitingAddr => 9, - AddressState::TimeoutAwaitingBlock => 10, - AddressState::Good => 11, - AddressState::WasGood => 12, + AddressState::TimeoutAwaitingPong => 9, + AddressState::TimeoutAwaitingAddr => 10, + AddressState::TimeoutAwaitingBlock => 11, + AddressState::Good => 12, + AddressState::WasGood => 13, + AddressState::EvilNode => 14, } } @@ -82,21 +93,22 @@ impl AddressState { AddressState::ProtocolViolation => "Protocol Violation", AddressState::Timeout => "Timeout", AddressState::TimeoutDuringRequest => "Timeout During Request", + AddressState::TimeoutAwaitingPong => "Timeout Awaiting Pong", AddressState::TimeoutAwaitingAddr => "Timeout Awaiting Addr", AddressState::TimeoutAwaitingBlock => "Timeout Awaiting Block", AddressState::Good => "Good", AddressState::WasGood => "Was Good", + AddressState::EvilNode => "Evil Node", } } pub const fn get_count() -> u8 { - 13 + 15 } } #[derive(Hash, PartialEq, Eq)] pub enum U64Setting { - ConnsPerSec, RunTimeout, WasGoodTimeout, RescanInterval(AddressState), @@ -113,19 +125,63 @@ struct Node { last_good: Instant, // Ignored unless state is Good or WasGood last_services: u64, state: AddressState, + queued: bool, +} + +/// Essentially SocketAddr but without a traffic class or scope +#[derive(Clone, PartialEq, Eq, Hash)] +enum SockAddr { + V4(SocketAddrV4), + V6((Ipv6Addr, u16)), +} +impl From for SockAddr { + fn from(addr: SocketAddr) -> SockAddr { + match addr { + SocketAddr::V4(sa) => SockAddr::V4(sa), + SocketAddr::V6(sa) => SockAddr::V6((sa.ip().clone(), sa.port())), + } + } +} +impl Into for &SockAddr { + fn into(self) -> SocketAddr { + match self { + &SockAddr::V4(sa) => SocketAddr::V4(sa), + &SockAddr::V6(sa) => SocketAddr::V6(SocketAddrV6::new(sa.0, sa.1, 0, 0)) + } + } +} +impl ToString for SockAddr { + fn to_string(&self) -> String { + let sa: SocketAddr = self.into(); + sa.to_string() + } +} +impl SockAddr { + pub fn port(&self) -> u16 { + match *self { + SockAddr::V4(sa) => sa.port(), + SockAddr::V6((_, port)) => port, + } + } + pub fn ip(&self) -> IpAddr { + match *self { + SockAddr::V4(sa) => IpAddr::V4(sa.ip().clone()), + SockAddr::V6((ip, _)) => IpAddr::V6(ip), + } + } } struct Nodes { - good_node_services: Vec>, - nodes_to_state: HashMap, - state_next_scan: Vec>, + good_node_services: [HashSet; 64], + nodes_to_state: HashMap, + state_next_scan: [Vec; AddressState::get_count() as usize], } struct NodesMutRef<'a> { - good_node_services: &'a mut Vec>, - nodes_to_state: &'a mut HashMap, - state_next_scan: &'a mut Vec>, - + good_node_services: &'a mut [HashSet; 64], + nodes_to_state: &'a mut HashMap, + state_next_scan: &'a mut [Vec; AddressState::get_count() as usize], } + impl Nodes { fn borrow_mut<'a>(&'a mut self) -> NodesMutRef<'a> { NodesMutRef { @@ -162,7 +218,6 @@ 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)); @@ -175,17 +230,18 @@ impl Store { u64s.insert(U64Setting::RescanInterval(AddressState::ProtocolViolation), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::Timeout), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutDuringRequest), try_read!(l, u64)); + u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingPong), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingAddr), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingBlock), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::Good), try_read!(l, u64)); u64s.insert(U64Setting::RescanInterval(AddressState::WasGood), try_read!(l, u64)); + u64s.insert(U64Setting::RescanInterval(AddressState::EvilNode), try_read!(l, u64)); future::ok((u64s, try_read!(l, Regex))) }).or_else(|_| -> future::FutureResult<(HashMap, 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); @@ -194,24 +250,20 @@ impl Store { u64s.insert(U64Setting::RescanInterval(AddressState::ProtocolViolation), 86400); u64s.insert(U64Setting::RescanInterval(AddressState::Timeout), 86400); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutDuringRequest), 21600); + u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingPong), 3600); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingAddr), 1800); u64s.insert(U64Setting::RescanInterval(AddressState::TimeoutAwaitingBlock), 3600); u64s.insert(U64Setting::RescanInterval(AddressState::Good), 1800); u64s.insert(U64Setting::RescanInterval(AddressState::WasGood), 1800); + u64s.insert(U64Setting::RescanInterval(AddressState::EvilNode), 315360000); u64s.insert(U64Setting::MinProtocolVersion, 70002); future::ok((u64s, Regex::new(".*").unwrap())) }); macro_rules! nodes_uninitd { () => { { - let mut state_vecs = Vec::with_capacity(AddressState::get_count() as usize); - for _ in 0..AddressState::get_count() { - state_vecs.push(Vec::new()); - } - let mut good_node_services = Vec::with_capacity(64); - for _ in 0..64 { - good_node_services.push(HashSet::new()); - } + let state_vecs = [Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new()]; + let good_node_services = [HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new(), HashSet::new()]; Nodes { good_node_services, nodes_to_state: HashMap::new(), @@ -251,16 +303,17 @@ impl Store { last_services, last_update: Instant::now(), last_good: Instant::now(), + queued: true, }; if node.state == AddressState::Good { for i in 0..64 { if node.last_services & (1 << i) != 0 { - res.good_node_services[i].insert(sockaddr); + res.good_node_services[i].insert(sockaddr.into()); } } } - res.state_next_scan[node.state.to_num() as usize].push((Instant::now(), sockaddr)); - res.nodes_to_state.insert(sockaddr, node); + res.state_next_scan[node.state.to_num() as usize].push(sockaddr.into()); + res.nodes_to_state.insert(sockaddr.into(), node); } future::ok(res) }).or_else(|_| -> future::FutureResult { @@ -301,15 +354,16 @@ impl Store { let mut nodes = self.nodes.write().unwrap(); let cur_time = Instant::now(); for addr in addresses { - match nodes.nodes_to_state.entry(addr.clone()) { + match nodes.nodes_to_state.entry(addr.into()) { hash_map::Entry::Vacant(e) => { e.insert(Node { state: AddressState::Untested, last_services: 0, last_update: cur_time, last_good: cur_time, + queued: true, }); - nodes.state_next_scan[AddressState::Untested.to_num() as usize].push((cur_time, addr)); + nodes.state_next_scan[AddressState::Untested.to_num() as usize].push(addr.into()); res += 1; }, hash_map::Entry::Occupied(_) => {}, @@ -326,17 +380,28 @@ impl Store { } })); } + pub fn add_fresh_nodes_v2(&self, addresses: &Vec) { + self.add_fresh_addrs(addresses.iter().filter_map(|addr| { + match addr.socket_addr() { + Ok(socketaddr) => Some(socketaddr), + Err(_) => None, // TODO: Handle onions + } + })); + } + + pub fn set_node_state(&self, sockaddr: SocketAddr, state: AddressState, services: u64) -> AddressState { + let addr: SockAddr = sockaddr.into(); + let now = Instant::now(); - pub fn set_node_state(&self, addr: SocketAddr, state: AddressState, services: u64) -> AddressState { let mut nodes_lock = self.nodes.write().unwrap(); let nodes = nodes_lock.borrow_mut(); - let now = Instant::now(); - let state_ref = nodes.nodes_to_state.entry(addr).or_insert(Node { + let state_ref = nodes.nodes_to_state.entry(addr.clone()).or_insert(Node { state: AddressState::Untested, last_services: 0, last_update: now, last_good: now, + queued: false, }); let ret = state_ref.state; if (state_ref.state == AddressState::Good || state_ref.state == AddressState::WasGood) @@ -349,13 +414,16 @@ impl Store { } } state_ref.last_services = 0; - nodes.state_next_scan[AddressState::WasGood.to_num() as usize].push((now, addr)); + if !state_ref.queued { + nodes.state_next_scan[AddressState::WasGood.to_num() as usize].push(addr); + state_ref.queued = true; + } } else { state_ref.state = state; if state == AddressState::Good { for i in 0..64 { if services & (1 << i) != 0 && state_ref.last_services & (1 << i) == 0 { - nodes.good_node_services[i].insert(addr); + nodes.good_node_services[i].insert(addr.clone()); } else if services & (1 << i) == 0 && state_ref.last_services & (1 << i) != 0 { nodes.good_node_services[i].remove(&addr); } @@ -363,7 +431,10 @@ impl Store { state_ref.last_services = services; state_ref.last_good = now; } - nodes.state_next_scan[state.to_num() as usize].push((now, addr)); + if !state_ref.queued { + nodes.state_next_scan[state.to_num() as usize].push(addr); + state_ref.queued = true; + } } state_ref.last_update = now; ret @@ -372,8 +443,7 @@ impl Store { pub fn save_data(&'static self) -> impl Future { 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{}", - 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), @@ -386,10 +456,12 @@ impl Store { self.get_u64(U64Setting::RescanInterval(AddressState::ProtocolViolation)), self.get_u64(U64Setting::RescanInterval(AddressState::Timeout)), self.get_u64(U64Setting::RescanInterval(AddressState::TimeoutDuringRequest)), + self.get_u64(U64Setting::RescanInterval(AddressState::TimeoutAwaitingPong)), self.get_u64(U64Setting::RescanInterval(AddressState::TimeoutAwaitingAddr)), self.get_u64(U64Setting::RescanInterval(AddressState::TimeoutAwaitingBlock)), self.get_u64(U64Setting::RescanInterval(AddressState::Good)), self.get_u64(U64Setting::RescanInterval(AddressState::WasGood)), + self.get_u64(U64Setting::RescanInterval(AddressState::EvilNode)), self.get_regex(RegexSetting::SubverRegex).as_str()); write_all(f, settings_string).and_then(|(mut f, _)| { f.poll_sync_all() @@ -403,7 +475,7 @@ impl Store { let mut nodes_buff = String::new(); { let nodes = self.nodes.read().unwrap(); - nodes_buff.reserve(nodes.nodes_to_state.len() * 20); + nodes_buff.reserve(nodes.nodes_to_state.len() * 32); for (ref sockaddr, ref node) in nodes.nodes_to_state.iter() { nodes_buff += &sockaddr.to_string(); nodes_buff += ","; @@ -420,73 +492,108 @@ 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, bgp_client: Arc) -> impl Future { 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 nodes = self.nodes.read().unwrap(); let mut rng = thread_rng(); - for i in &[1u64, 4, 5, 8, 9, 12, 13, 1024, 1025, 1028, 1029, 1032, 1033, 1036, 1037] { - let mut v6_set = Vec::new(); - let mut v4_set = Vec::new(); - if i.count_ones() == 1 { - for j in 0..64 { - if i & (1 << j) != 0 { - let set_ref = &nodes.good_node_services[j]; - v4_set = set_ref.iter().filter(|e| e.is_ipv4() && e.port() == 8333) - .choose_multiple(&mut rng, 21).iter().map(|e| e.ip()).collect(); - v6_set = set_ref.iter().filter(|e| e.is_ipv6() && e.port() == 8333) - .choose_multiple(&mut rng, 12).iter().map(|e| e.ip()).collect(); - break; - } + for i in &[ 0b00000000001u64, + 0b00000000100, + 0b00000000101, + 0b00000001000, + 0b00000001001, + 0b00000001100, + 0b00000001101, + 0b00001001001, + 0b10000000000, + 0b10000000001, + 0b10000000100, + 0b10000000101, + 0b10000001000, + 0b10000001001, + 0b10000001100, + 0b10000001101, + 0b10001001000] { + // ^ NODE_NETWORK_LIIMTED + //COMPACT_FILTERS ^ ^ NODE_BLOOM + // NODE_WITNESS ^ ^ NODE_NETWORK + // We support all combos of NETWORK, NETWORK_LIMITED, BLOOM, and WITNESS + // We support COMPACT_FILTERS with WITNESS and NETWORK or NETWORK_LIIMTED. + let mut tor_set: Vec = Vec::new(); + let mut v6_set: Vec = Vec::new(); + let mut v4_set: Vec = Vec::new(); + macro_rules! add_addr { ($addr: expr) => { + match $addr.ip() { + IpAddr::V4(v4addr) => v4_set.push(v4addr), + IpAddr::V6(v6addr) if v6addr.octets()[..6] == [0xFD,0x87,0xD8,0x7E,0xEB,0x43][..] => tor_set.push(v6addr), + IpAddr::V6(v6addr) => v6_set.push(v6addr), } - } else if i.count_ones() == 2 { - let mut first_set = None; - let mut second_set = None; - for j in 0..64 { - if i & (1 << j) != 0 { - if first_set == None { - first_set = Some(&nodes.good_node_services[j]); - } else { - second_set = Some(&nodes.good_node_services[j]); + } } + { + let nodes = self.nodes.read().unwrap(); + if i.count_ones() == 1 { + for j in 0..64 { + if i & (1 << j) != 0 { + let set_ref = &nodes.good_node_services[j]; + for a in set_ref.iter().filter(|e| e.port() == 8333) { + add_addr!(a); + } break; } } - } - v4_set = first_set.unwrap().intersection(&second_set.unwrap()) - .filter(|e| e.is_ipv4() && e.port() == 8333) - .choose_multiple(&mut rng, 21).iter().map(|e| e.ip()).collect(); - v6_set = first_set.unwrap().intersection(&second_set.unwrap()) - .filter(|e| e.is_ipv6() && e.port() == 8333) - .choose_multiple(&mut rng, 12).iter().map(|e| e.ip()).collect(); - } else { - //TODO: Could optimize this one a bit - let mut intersection; - let mut intersection_set_ref = None; - for j in 0..64 { - if i & (1 << j) != 0 { - if intersection_set_ref == None { - intersection_set_ref = Some(&nodes.good_node_services[j]); - } else { - let new_intersection = intersection_set_ref.unwrap() - .intersection(&nodes.good_node_services[j]).map(|e| (*e).clone()).collect(); - intersection = Some(new_intersection); - intersection_set_ref = Some(intersection.as_ref().unwrap()); + } else if i.count_ones() == 2 { + let mut first_set = None; + let mut second_set = None; + for j in 0..64 { + if i & (1 << j) != 0 { + if first_set == None { + first_set = Some(&nodes.good_node_services[j]); + } else { + second_set = Some(&nodes.good_node_services[j]); + break; + } + } + } + for a in first_set.unwrap().intersection(&second_set.unwrap()).filter(|e| e.port() == 8333) { + add_addr!(a); + } + } else { + //TODO: Could optimize this one a bit + let mut intersection; + let mut intersection_set_ref = None; + for j in 0..64 { + if i & (1 << j) != 0 { + if intersection_set_ref == None { + intersection_set_ref = Some(&nodes.good_node_services[j]); + } else { + let new_intersection = intersection_set_ref.unwrap() + .intersection(&nodes.good_node_services[j]).map(|e| (*e).clone()).collect(); + intersection = Some(new_intersection); + intersection_set_ref = Some(intersection.as_ref().unwrap()); + } } } + for a in intersection_set_ref.unwrap().iter().filter(|e| e.port() == 8333) { + add_addr!(a); + } } - v4_set = intersection_set_ref.unwrap().iter() - .filter(|e| e.is_ipv4() && e.port() == 8333) - .choose_multiple(&mut rng, 21).iter().map(|e| e.ip()).collect(); - v6_set = intersection_set_ref.unwrap().iter() - .filter(|e| e.is_ipv6() && e.port() == 8333) - .choose_multiple(&mut rng, 12).iter().map(|e| e.ip()).collect(); } - for a in v4_set { - dns_buff += &format!("x{:x}.dnsseed\tIN\tA\t{}\n", i, a); + let mut asn_set = HashSet::with_capacity(cmp::max(v4_set.len(), v6_set.len())); + asn_set.insert(0); + for (a, asn) in v4_set.iter().map(|a| (a, bgp_client.get_asn(IpAddr::V4(*a)))).filter(|a| asn_set.insert(a.1)).choose_multiple(&mut rng, 21) { + dns_buff += &format!("x{:x}.dnsseed\tIN\tA\t{} ; AS{}\n", i, a, asn); + } + asn_set.clear(); + asn_set.insert(0); + for (a, asn) in v6_set.iter().map(|a| (a, bgp_client.get_asn(IpAddr::V6(*a)))).filter(|a| asn_set.insert(a.1)).choose_multiple(&mut rng, 10) { + dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{} ; AS{}\n", i, a, asn); } - for a in v6_set { - dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{}\n", i, a); + for a in tor_set.iter().choose_multiple(&mut rng, 2) { + dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{} ; Tor Onionv2\n", i, a); } } } @@ -495,27 +602,23 @@ 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 { - 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 cur_time = Instant::now(); + let mut res = Vec::with_capacity(128); { - let mut nodes = self.nodes.write().unwrap(); + let mut nodes_lock = self.nodes.write().unwrap(); + let nodes = nodes_lock.borrow_mut(); 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); - mem::swap(&mut new_nodes, state_nodes); - for (_, node) in new_nodes.drain(..) { - res.push(node); + let rescan_interval = cmp::max(self.get_u64(U64Setting::RescanInterval(AddressState::from_num(idx as u8).unwrap())), 1); + let split_point = cmp::min(cmp::min(SECS_PER_SCAN_RESULTS * state_nodes.len() as u64 / rescan_interval, + SECS_PER_SCAN_RESULTS * MAX_CONNS_PER_SEC_PER_STATUS), + state_nodes.len() as u64); + for node in state_nodes.drain(..split_point as usize) { + nodes.nodes_to_state.get_mut(&node).unwrap().queued = false; + res.push((&node).into()); } } }