X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fdatastore.rs;h=90ebbd923585b74b340bdd21a7784b6493d2b034;hb=ca19f8036d82bcc7a4100219bad3f16b9a91d69a;hp=354a37d62aa5f63bd96bf5226bb814163d0da829;hpb=c579e91f083d369055230497b1c7bf4191a50880;p=dnsseed-rust diff --git a/src/datastore.rs b/src/datastore.rs index 354a37d..90ebbd9 100644 --- a/src/datastore.rs +++ b/src/datastore.rs @@ -1,4 +1,4 @@ -use std::{cmp, mem}; +use std::cmp; use std::collections::{HashSet, HashMap, hash_map}; use std::sync::{Arc, RwLock}; use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6}; @@ -19,6 +19,7 @@ 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 { @@ -124,6 +125,7 @@ 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 @@ -170,14 +172,14 @@ impl SockAddr { } struct Nodes { - good_node_services: Vec>, + good_node_services: [HashSet; 64], nodes_to_state: HashMap, - state_next_scan: Vec>, + state_next_scan: [Vec; AddressState::get_count() as usize], } struct NodesMutRef<'a> { - good_node_services: &'a mut Vec>, + good_node_services: &'a mut [HashSet; 64], nodes_to_state: &'a mut HashMap, - state_next_scan: &'a mut Vec>, + state_next_scan: &'a mut [Vec; AddressState::get_count() as usize], } impl Nodes { @@ -260,14 +262,8 @@ impl Store { 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(), @@ -277,7 +273,6 @@ impl Store { } let nodes_future = File::open(store.clone() + "/nodes").and_then(|f| { - let start_time = Instant::now() - Duration::from_secs(60 * 60 * 24); let mut res = nodes_uninitd!(); let l = BufReader::new(f).lines(); for line_res in l { @@ -308,6 +303,7 @@ impl Store { last_services, last_update: Instant::now(), last_good: Instant::now(), + queued: true, }; if node.state == AddressState::Good { for i in 0..64 { @@ -316,7 +312,7 @@ impl Store { } } } - res.state_next_scan[node.state.to_num() as usize].push((start_time, 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) @@ -365,8 +361,9 @@ impl Store { 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.into())); + nodes.state_next_scan[AddressState::Untested.to_num() as usize].push(addr.into()); res += 1; }, hash_map::Entry::Occupied(_) => {}, @@ -396,6 +393,7 @@ impl Store { 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) @@ -408,7 +406,10 @@ 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 { @@ -422,7 +423,10 @@ 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 @@ -463,7 +467,7 @@ 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 += ","; @@ -489,7 +493,28 @@ impl Store { let mut dns_buff = String::new(); { let mut rng = thread_rng(); - for i in &[1u64, 4, 5, 8, 9, 12, 13, 1024, 1025, 1028, 1029, 1032, 1033, 1036, 1037] { + 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(); @@ -551,16 +576,16 @@ impl Store { } let mut asn_set = HashSet::with_capacity(cmp::max(v4_set.len(), v6_set.len())); asn_set.insert(0); - for a in v4_set.iter().filter(|a| asn_set.insert(bgp_client.get_asn(IpAddr::V4(**a)))).choose_multiple(&mut rng, 21) { - dns_buff += &format!("x{:x}.dnsseed\tIN\tA\t{}\n", i, a); + 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 in v6_set.iter().filter(|a| asn_set.insert(bgp_client.get_asn(IpAddr::V6(**a)))).choose_multiple(&mut rng, 10) { - dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{}\n", i, a); + 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{}\n", i, a); + dns_buff += &format!("x{:x}.dnsseed\tIN\tAAAA\t{} ; Tor Onionv2\n", i, a); } } } @@ -574,18 +599,17 @@ impl Store { pub fn get_next_scan_nodes(&self) -> Vec { let mut res = Vec::with_capacity(128); - let cur_time = Instant::now(); { - 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 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(..) { + 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()); } }