-use std::{cmp, mem};
-use std::collections::{HashMap, hash_map};
-use std::sync::RwLock;
-use std::net::SocketAddr;
+use std::cmp;
+use std::collections::{HashSet, HashMap, hash_map};
+use std::sync::{Arc, RwLock};
+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;
+use rand::seq::{SliceRandom, IteratorRandom};
+
+use tokio::prelude::*;
+use tokio::fs::File;
+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 {
ProtocolViolation,
Timeout,
TimeoutDuringRequest,
+ TimeoutAwaitingPong,
+ TimeoutAwaitingAddr,
+ TimeoutAwaitingBlock,
Good,
WasGood,
+ EvilNode,
+}
+
+impl AddressState {
+ pub fn from_num(num: u8) -> Option<AddressState> {
+ match num {
+ 0x0 => Some(AddressState::Untested),
+ 0x1 => Some(AddressState::LowBlockCount),
+ 0x2 => Some(AddressState::HighBlockCount),
+ 0x3 => Some(AddressState::LowVersion),
+ 0x4 => Some(AddressState::BadVersion),
+ 0x5 => Some(AddressState::NotFullNode),
+ 0x6 => Some(AddressState::ProtocolViolation),
+ 0x7 => Some(AddressState::Timeout),
+ 0x8 => Some(AddressState::TimeoutDuringRequest),
+ 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,
+ }
+ }
+
+ pub fn to_num(&self) -> u8 {
+ match *self {
+ AddressState::Untested => 0,
+ AddressState::LowBlockCount => 1,
+ AddressState::HighBlockCount => 2,
+ AddressState::LowVersion => 3,
+ AddressState::BadVersion => 4,
+ AddressState::NotFullNode => 5,
+ AddressState::ProtocolViolation => 6,
+ AddressState::Timeout => 7,
+ AddressState::TimeoutDuringRequest => 8,
+ AddressState::TimeoutAwaitingPong => 9,
+ AddressState::TimeoutAwaitingAddr => 10,
+ AddressState::TimeoutAwaitingBlock => 11,
+ AddressState::Good => 12,
+ AddressState::WasGood => 13,
+ AddressState::EvilNode => 14,
+ }
+ }
+
+ pub fn to_str(&self) -> &'static str {
+ match *self {
+ AddressState::Untested => "Untested",
+ AddressState::LowBlockCount => "Low Block Count",
+ AddressState::HighBlockCount => "High Block Count",
+ AddressState::LowVersion => "Low Version",
+ AddressState::BadVersion => "Bad Version",
+ AddressState::NotFullNode => "Not Full Node",
+ 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 {
+ 15
+ }
}
#[derive(Hash, PartialEq, Eq)]
pub enum U64Setting {
- ConnsPerSec,
RunTimeout,
WasGoodTimeout,
RescanInterval(AddressState),
}
#[derive(Hash, PartialEq, Eq)]
-pub enum StringSetting {
+pub enum RegexSetting {
SubverRegex,
}
+struct Node {
+ last_update: Instant,
+ 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<SocketAddr> 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<SocketAddr> 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: HashMap<u8, Vec<SocketAddr>>,
- nodes_to_state: HashMap<SocketAddr, AddressState>,
- state_next_scan: HashMap<AddressState, Vec<(Instant, SocketAddr)>>,
+ good_node_services: [HashSet<SockAddr>; 64],
+ nodes_to_state: HashMap<SockAddr, Node>,
+ state_next_scan: [Vec<SockAddr>; AddressState::get_count() as usize],
+}
+struct NodesMutRef<'a> {
+ good_node_services: &'a mut [HashSet<SockAddr>; 64],
+ nodes_to_state: &'a mut HashMap<SockAddr, Node>,
+ state_next_scan: &'a mut [Vec<SockAddr>; AddressState::get_count() as usize],
+}
+
+impl Nodes {
+ fn borrow_mut<'a>(&'a mut self) -> NodesMutRef<'a> {
+ NodesMutRef {
+ good_node_services: &mut self.good_node_services,
+ nodes_to_state: &mut self.nodes_to_state,
+ state_next_scan: &mut self.state_next_scan,
+ }
+ }
}
pub struct Store {
u64_settings: RwLock<HashMap<U64Setting, u64>>,
- subver_regex: RwLock<String>,
+ subver_regex: RwLock<Arc<Regex>>,
nodes: RwLock<Nodes>,
+ store: String,
}
impl Store {
- pub fn new() -> Store {
- let mut u64s = HashMap::with_capacity(15);
- u64s.insert(U64Setting::ConnsPerSec, 50);
- u64s.insert(U64Setting::RunTimeout, 120);
- u64s.insert(U64Setting::WasGoodTimeout, 21600);
- u64s.insert(U64Setting::RescanInterval(AddressState::Untested), 0);
- u64s.insert(U64Setting::RescanInterval(AddressState::LowBlockCount), 3600);
- u64s.insert(U64Setting::RescanInterval(AddressState::HighBlockCount), 7200);
- u64s.insert(U64Setting::RescanInterval(AddressState::LowVersion), 21600);
- u64s.insert(U64Setting::RescanInterval(AddressState::BadVersion), 21600);
- u64s.insert(U64Setting::RescanInterval(AddressState::NotFullNode), 86400);
- 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::Good), 1800);
- u64s.insert(U64Setting::RescanInterval(AddressState::WasGood), 1800);
- u64s.insert(U64Setting::MinProtocolVersion, 10000); //XXX
- let mut state_vecs = HashMap::with_capacity(11);
- state_vecs.insert(AddressState::Untested, Vec::new());
- state_vecs.insert(AddressState::LowBlockCount, Vec::new());
- state_vecs.insert(AddressState::HighBlockCount, Vec::new());
- state_vecs.insert(AddressState::LowVersion, Vec::new());
- state_vecs.insert(AddressState::BadVersion, Vec::new());
- state_vecs.insert(AddressState::NotFullNode, Vec::new());
- state_vecs.insert(AddressState::ProtocolViolation, Vec::new());
- state_vecs.insert(AddressState::Timeout, Vec::new());
- state_vecs.insert(AddressState::TimeoutDuringRequest, Vec::new());
- state_vecs.insert(AddressState::Good, Vec::new());
- state_vecs.insert(AddressState::WasGood, Vec::new());
- let mut good_node_services = HashMap::with_capacity(64);
- for i in 0..64 {
- good_node_services.insert(i, Vec::new());
- }
- Store {
- u64_settings: RwLock::new(u64s),
- subver_regex: RwLock::new(".*".to_string()),
- nodes: RwLock::new(Nodes {
- good_node_services,
- nodes_to_state: HashMap::new(),
- state_next_scan: state_vecs,
- }),
+ pub fn new(store: String) -> impl Future<Item=Store, Error=()> {
+ let settings_future = File::open(store.clone() + "/settings").and_then(|f| {
+ let mut l = BufReader::new(f).lines();
+ macro_rules! try_read {
+ ($lines: expr, $ty: ty) => { {
+ match $lines.next() {
+ Some(line) => match line {
+ Ok(line) => match line.parse::<$ty>() {
+ Ok(res) => res,
+ Err(e) => return future::err(std::io::Error::new(std::io::ErrorKind::InvalidData, e)),
+ },
+ Err(e) => return future::err(e),
+ },
+ None => return future::err(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "")),
+ }
+ } }
+ }
+ let mut u64s = HashMap::with_capacity(AddressState::get_count() as usize + 4);
+ u64s.insert(U64Setting::RunTimeout, try_read!(l, u64));
+ u64s.insert(U64Setting::WasGoodTimeout, try_read!(l, u64));
+ u64s.insert(U64Setting::MinProtocolVersion, try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::Untested), try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::LowBlockCount), try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::HighBlockCount), try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::LowVersion), try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::BadVersion), try_read!(l, u64));
+ u64s.insert(U64Setting::RescanInterval(AddressState::NotFullNode), try_read!(l, u64));
+ 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<U64Setting, u64>, Regex), ()> {
+ let mut u64s = HashMap::with_capacity(15);
+ u64s.insert(U64Setting::RunTimeout, 120);
+ u64s.insert(U64Setting::WasGoodTimeout, 21600);
+ 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);
+ u64s.insert(U64Setting::RescanInterval(AddressState::BadVersion), 21600);
+ u64s.insert(U64Setting::RescanInterval(AddressState::NotFullNode), 86400);
+ 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 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(),
+ state_next_scan: state_vecs,
+ }
+ } }
}
+
+ let nodes_future = File::open(store.clone() + "/nodes").and_then(|f| {
+ let mut res = nodes_uninitd!();
+ let l = BufReader::new(f).lines();
+ for line_res in l {
+ let line = match line_res {
+ Ok(l) => l,
+ Err(_) => return future::ok(res),
+ };
+ let mut line_iter = line.split(',');
+ macro_rules! try_read {
+ ($lines: expr, $ty: ty) => { {
+ match $lines.next() {
+ Some(line) => match line.parse::<$ty>() {
+ Ok(res) => res,
+ Err(_) => return future::ok(res),
+ },
+ None => return future::ok(res),
+ }
+ } }
+ }
+ let sockaddr = try_read!(line_iter, SocketAddr);
+ let state = try_read!(line_iter, u8);
+ let last_services = try_read!(line_iter, u64);
+ let node = Node {
+ state: match AddressState::from_num(state) {
+ Some(v) => v,
+ None => return future::ok(res),
+ },
+ 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.into());
+ }
+ }
+ }
+ 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<Nodes, ()> {
+ future::ok(nodes_uninitd!())
+ });
+ settings_future.join(nodes_future).and_then(move |((u64_settings, regex), nodes)| {
+ future::ok(Store {
+ u64_settings: RwLock::new(u64_settings),
+ subver_regex: RwLock::new(Arc::new(regex)),
+ nodes: RwLock::new(nodes),
+ store,
+ })
+ })
}
pub fn get_u64(&self, setting: U64Setting) -> u64 {
*self.u64_settings.read().unwrap().get(&setting).unwrap()
}
+ pub fn set_u64(&self, setting: U64Setting, value: u64) {
+ *self.u64_settings.write().unwrap().get_mut(&setting).unwrap() = value;
+ }
+
pub fn get_node_count(&self, state: AddressState) -> usize {
- self.nodes.read().unwrap().state_next_scan.get(&state).unwrap().len()
+ self.nodes.read().unwrap().state_next_scan[state.to_num() as usize].len()
}
- pub fn get_string(&self, _setting: StringSetting) -> String {
- self.subver_regex.read().unwrap().clone()
+ pub fn get_regex(&self, _setting: RegexSetting) -> Arc<Regex> {
+ Arc::clone(&*self.subver_regex.read().unwrap())
}
- pub fn add_fresh_nodes(&self, addresses: &Vec<(u32, Address)>) {
+ pub fn set_regex(&self, _setting: RegexSetting, value: Regex) {
+ *self.subver_regex.write().unwrap() = Arc::new(value);
+ }
+
+ pub fn add_fresh_addrs<I: Iterator<Item=SocketAddr>>(&self, addresses: I) -> u64 {
+ let mut res = 0;
let mut nodes = self.nodes.write().unwrap();
let cur_time = Instant::now();
- for &(_, ref addr) in addresses {
- if let Ok(socketaddr) = addr.socket_addr() {
- match nodes.nodes_to_state.entry(socketaddr.clone()) {
- hash_map::Entry::Vacant(e) => {
- e.insert(AddressState::Untested);
- nodes.state_next_scan.get_mut(&AddressState::Untested).unwrap().push((cur_time, socketaddr));
- },
- hash_map::Entry::Occupied(_) => {},
- }
- } else {
- //TODO: Handle onions
+ for addr in addresses {
+ 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(addr.into());
+ res += 1;
+ },
+ hash_map::Entry::Occupied(_) => {},
}
}
+ res
}
- pub fn set_node_state(&self, addr: SocketAddr, state: AddressState, services: u64) {
- let mut nodes = self.nodes.write().unwrap();
- let state_ref = nodes.nodes_to_state.get_mut(&addr).unwrap();
- if *state_ref == AddressState::Good && state != AddressState::Good {
- *state_ref = AddressState::WasGood;
- nodes.state_next_scan.get_mut(&AddressState::WasGood).unwrap().push((Instant::now(), addr));
+ pub fn add_fresh_nodes(&self, addresses: &Vec<(u32, Address)>) {
+ self.add_fresh_addrs(addresses.iter().filter_map(|(_, addr)| {
+ match addr.socket_addr() {
+ Ok(socketaddr) => Some(socketaddr),
+ Err(_) => None, // TODO: Handle onions
+ }
+ }));
+ }
+ pub fn add_fresh_nodes_v2(&self, addresses: &Vec<AddrV2Message>) {
+ 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();
+
+ let mut nodes_lock = self.nodes.write().unwrap();
+ let nodes = nodes_lock.borrow_mut();
+
+ 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)
+ && state != AddressState::Good
+ && state_ref.last_good >= now - Duration::from_secs(self.get_u64(U64Setting::WasGoodTimeout)) {
+ state_ref.state = AddressState::WasGood;
+ for i in 0..64 {
+ if state_ref.last_services & (1 << i) != 0 {
+ nodes.good_node_services[i].remove(&addr);
+ }
+ }
+ state_ref.last_services = 0;
+ if !state_ref.queued {
+ nodes.state_next_scan[AddressState::WasGood.to_num() as usize].push(addr);
+ state_ref.queued = true;
+ }
} else {
- *state_ref = state;
- nodes.state_next_scan.get_mut(&state).unwrap().push((Instant::now(), addr));
+ 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.clone());
+ } else if services & (1 << i) == 0 && state_ref.last_services & (1 << i) != 0 {
+ nodes.good_node_services[i].remove(&addr);
+ }
+ }
+ state_ref.last_services = services;
+ state_ref.last_good = now;
+ }
+ if !state_ref.queued {
+ nodes.state_next_scan[state.to_num() as usize].push(addr);
+ state_ref.queued = true;
+ }
}
- if state == AddressState::Good {
+ state_ref.last_update = now;
+ ret
+ }
- }
+ 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{}",
+ self.get_u64(U64Setting::RunTimeout),
+ self.get_u64(U64Setting::WasGoodTimeout),
+ self.get_u64(U64Setting::MinProtocolVersion),
+ self.get_u64(U64Setting::RescanInterval(AddressState::Untested)),
+ self.get_u64(U64Setting::RescanInterval(AddressState::LowBlockCount)),
+ self.get_u64(U64Setting::RescanInterval(AddressState::HighBlockCount)),
+ self.get_u64(U64Setting::RescanInterval(AddressState::LowVersion)),
+ self.get_u64(U64Setting::RescanInterval(AddressState::BadVersion)),
+ self.get_u64(U64Setting::RescanInterval(AddressState::NotFullNode)),
+ 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()
+ }).and_then(|_| {
+ tokio::fs::rename(settings_file.clone() + ".tmp", settings_file)
+ })
+ });
+
+ let nodes_file = self.store.clone() + "/nodes";
+ let nodes_future = File::create(nodes_file.clone() + ".tmp").and_then(move |f| {
+ let mut nodes_buff = String::new();
+ {
+ let nodes = self.nodes.read().unwrap();
+ 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 += ",";
+ nodes_buff += &node.state.to_num().to_string();
+ nodes_buff += ",";
+ nodes_buff += &node.last_services.to_string();
+ nodes_buff += "\n";
+ }
+ }
+ write_all(f, nodes_buff)
+ }).and_then(|(mut f, _)| {
+ f.poll_sync_all()
+ }).and_then(|_| {
+ 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<BGPClient>) -> impl Future<Item=(), Error=()> {
+ let dns_file = self.store.clone() + "/nodes.dump";
+ File::create(dns_file.clone() + ".tmp").and_then(move |f| {
+ let mut dns_buff = String::new();
+ {
+ let mut rng = thread_rng();
+ 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<Ipv6Addr> = Vec::new();
+ let mut v6_set: Vec<Ipv6Addr> = Vec::new();
+ let mut v4_set: Vec<Ipv4Addr> = 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),
+ }
+ } }
+ {
+ 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;
+ }
+ }
+ } 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);
+ }
+ }
+ }
+ 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 tor_set.iter().choose_multiple(&mut rng, 2) {
+ dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{} ; Tor Onionv2\n", i, a);
+ }
+ }
+ }
+ write_all(f, dns_buff)
+ }).and_then(|(mut f, _)| {
+ f.poll_sync_all()
+ }).and_then(|_| {
+ tokio::fs::rename(dns_file.clone() + ".tmp", dns_file)
+ }).then(|_| { future::ok(()) })
}
pub fn get_next_scan_nodes(&self) -> Vec<SocketAddr> {
- let mut res = Vec::with_capacity(600);
- let cur_time = Instant::now();
- let mut nodes = self.nodes.write().unwrap();
- for (state, state_nodes) in nodes.state_next_scan.iter_mut() {
- let cmp_time = cur_time - Duration::from_secs(self.get_u64(U64Setting::RescanInterval(*state)));
- let split_point = cmp::min(cmp::min(600 - res.len(), 60),
- 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 mut res = Vec::with_capacity(128);
+
+ {
+ 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 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());
+ }
}
}
res.shuffle(&mut thread_rng());
projects / dnsseed-rust / blobdiff