793 lines
27 KiB
Rust
793 lines
27 KiB
Rust
use crate::{
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cluster_info::{ClusterInfo, ClusterInfoError},
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cluster_slots::ClusterSlots,
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contact_info::ContactInfo,
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repair_service::RepairStats,
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result::{Error, Result},
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weighted_shuffle::weighted_best,
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};
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use bincode::serialize;
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use solana_ledger::blockstore::Blockstore;
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use solana_measure::measure::Measure;
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use solana_measure::thread_mem_usage;
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use solana_metrics::{datapoint_debug, inc_new_counter_debug};
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use solana_perf::packet::{limited_deserialize, Packet, Packets, PacketsRecycler};
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use solana_sdk::{
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clock::Slot,
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pubkey::Pubkey,
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signature::{Keypair, Signer},
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timing::duration_as_ms,
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};
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use solana_streamer::streamer::{PacketReceiver, PacketSender};
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use std::{
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collections::HashMap,
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net::SocketAddr,
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sync::atomic::{AtomicBool, Ordering},
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sync::{Arc, RwLock},
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thread::{Builder, JoinHandle},
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time::{Duration, Instant},
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};
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/// the number of slots to respond with when responding to `Orphan` requests
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pub const MAX_ORPHAN_REPAIR_RESPONSES: usize = 10;
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#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
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pub enum RepairType {
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Orphan(Slot),
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HighestShred(Slot, u64),
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Shred(Slot, u64),
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}
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impl RepairType {
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pub fn slot(&self) -> Slot {
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match self {
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RepairType::Orphan(slot) => *slot,
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RepairType::HighestShred(slot, _) => *slot,
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RepairType::Shred(slot, _) => *slot,
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}
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}
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}
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#[derive(Default)]
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pub struct ServeRepairStats {
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pub total_packets: usize,
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pub dropped_packets: usize,
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pub processed: usize,
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pub self_repair: usize,
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pub window_index: usize,
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pub highest_window_index: usize,
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pub orphan: usize,
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}
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/// Window protocol messages
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#[derive(Serialize, Deserialize, Debug)]
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pub enum RepairProtocol {
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WindowIndex(ContactInfo, u64, u64),
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HighestWindowIndex(ContactInfo, u64, u64),
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Orphan(ContactInfo, u64),
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}
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#[derive(Clone)]
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pub struct ServeRepair {
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/// set the keypair that will be used to sign repair responses
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keypair: Arc<Keypair>,
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my_info: ContactInfo,
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cluster_info: Arc<ClusterInfo>,
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}
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type RepairCache = HashMap<Slot, (Vec<ContactInfo>, Vec<(u64, usize)>)>;
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impl ServeRepair {
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/// Without a valid keypair gossip will not function. Only useful for tests.
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pub fn new_with_invalid_keypair(contact_info: ContactInfo) -> Self {
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Self::new(Arc::new(ClusterInfo::new_with_invalid_keypair(
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contact_info,
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)))
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}
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pub fn new(cluster_info: Arc<ClusterInfo>) -> Self {
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let (keypair, my_info) = { (cluster_info.keypair.clone(), cluster_info.my_contact_info()) };
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Self {
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keypair,
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my_info,
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cluster_info,
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}
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}
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pub fn my_info(&self) -> &ContactInfo {
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&self.my_info
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}
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pub fn keypair(&self) -> &Arc<Keypair> {
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&self.keypair
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}
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fn get_repair_sender(request: &RepairProtocol) -> &ContactInfo {
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match request {
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RepairProtocol::WindowIndex(ref from, _, _) => from,
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RepairProtocol::HighestWindowIndex(ref from, _, _) => from,
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RepairProtocol::Orphan(ref from, _) => from,
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}
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}
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fn handle_repair(
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me: &Arc<RwLock<Self>>,
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recycler: &PacketsRecycler,
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from_addr: &SocketAddr,
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blockstore: Option<&Arc<Blockstore>>,
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request: RepairProtocol,
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stats: &mut ServeRepairStats,
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) -> Option<Packets> {
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let now = Instant::now();
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//TODO verify from is signed
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let my_id = me.read().unwrap().keypair.pubkey();
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let from = Self::get_repair_sender(&request);
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if from.id == my_id {
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stats.self_repair += 1;
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return None;
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}
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let (res, label) = {
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match &request {
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RepairProtocol::WindowIndex(from, slot, shred_index) => {
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stats.window_index += 1;
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(
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Self::run_window_request(
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recycler,
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from,
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&from_addr,
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blockstore,
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&me.read().unwrap().my_info,
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*slot,
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*shred_index,
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),
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"WindowIndex",
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)
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}
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RepairProtocol::HighestWindowIndex(_, slot, highest_index) => {
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stats.highest_window_index += 1;
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(
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Self::run_highest_window_request(
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recycler,
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&from_addr,
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blockstore,
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*slot,
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*highest_index,
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),
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"HighestWindowIndex",
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)
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}
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RepairProtocol::Orphan(_, slot) => {
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stats.orphan += 1;
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(
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Self::run_orphan(
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recycler,
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&from_addr,
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blockstore,
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*slot,
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MAX_ORPHAN_REPAIR_RESPONSES,
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),
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"Orphan",
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)
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}
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}
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};
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trace!("{}: received repair request: {:?}", my_id, request);
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Self::report_time_spent(label, &now.elapsed(), "");
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res
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}
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fn report_time_spent(label: &str, time: &Duration, extra: &str) {
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let count = duration_as_ms(time);
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if count > 5 {
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info!("{} took: {} ms {}", label, count, extra);
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}
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}
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/// Process messages from the network
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fn run_listen(
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obj: &Arc<RwLock<Self>>,
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recycler: &PacketsRecycler,
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blockstore: Option<&Arc<Blockstore>>,
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requests_receiver: &PacketReceiver,
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response_sender: &PacketSender,
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stats: &mut ServeRepairStats,
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max_packets: &mut usize,
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) -> Result<()> {
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//TODO cache connections
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let timeout = Duration::new(1, 0);
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let mut reqs_v = vec![requests_receiver.recv_timeout(timeout)?];
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let mut total_packets = reqs_v[0].packets.len();
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let mut dropped_packets = 0;
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while let Ok(more) = requests_receiver.try_recv() {
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total_packets += more.packets.len();
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if total_packets < *max_packets {
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// Drop the rest in the channel in case of dos
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reqs_v.push(more);
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} else {
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dropped_packets += more.packets.len();
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}
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}
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stats.dropped_packets += dropped_packets;
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stats.total_packets += total_packets;
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let mut time = Measure::start("repair::handle_packets");
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for reqs in reqs_v {
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Self::handle_packets(obj, &recycler, blockstore, reqs, response_sender, stats);
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}
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time.stop();
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if total_packets >= *max_packets {
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if time.as_ms() > 1000 {
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*max_packets = (*max_packets * 9) / 10;
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} else {
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*max_packets = (*max_packets * 10) / 9;
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}
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}
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Ok(())
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}
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fn report_reset_stats(me: &Arc<RwLock<Self>>, stats: &mut ServeRepairStats) {
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if stats.self_repair > 0 {
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let my_id = me.read().unwrap().keypair.pubkey();
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warn!(
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"{}: Ignored received repair requests from ME: {}",
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my_id, stats.self_repair,
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);
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inc_new_counter_debug!("serve_repair-handle-repair--eq", stats.self_repair);
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}
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inc_new_counter_info!("serve_repair-total_packets", stats.total_packets);
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inc_new_counter_info!("serve_repair-dropped_packets", stats.dropped_packets);
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debug!(
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"repair_listener: total_packets: {} passed: {}",
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stats.total_packets, stats.processed
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);
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inc_new_counter_debug!("serve_repair-request-window-index", stats.window_index);
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inc_new_counter_debug!(
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"serve_repair-request-highest-window-index",
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stats.highest_window_index
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);
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inc_new_counter_debug!("serve_repair-request-orphan", stats.orphan);
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*stats = ServeRepairStats::default();
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}
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pub fn listen(
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me: Arc<RwLock<Self>>,
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blockstore: Option<Arc<Blockstore>>,
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requests_receiver: PacketReceiver,
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response_sender: PacketSender,
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exit: &Arc<AtomicBool>,
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) -> JoinHandle<()> {
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let exit = exit.clone();
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let recycler = PacketsRecycler::default();
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Builder::new()
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.name("solana-repair-listen".to_string())
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.spawn(move || {
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let mut last_print = Instant::now();
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let mut stats = ServeRepairStats::default();
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let mut max_packets = 1024;
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loop {
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let result = Self::run_listen(
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&me,
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&recycler,
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blockstore.as_ref(),
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&requests_receiver,
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&response_sender,
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&mut stats,
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&mut max_packets,
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);
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match result {
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Err(Error::RecvTimeoutError(_)) | Ok(_) => {}
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Err(err) => info!("repair listener error: {:?}", err),
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};
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if exit.load(Ordering::Relaxed) {
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return;
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}
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if last_print.elapsed().as_secs() > 2 {
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Self::report_reset_stats(&me, &mut stats);
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last_print = Instant::now();
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}
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thread_mem_usage::datapoint("solana-repair-listen");
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}
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})
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.unwrap()
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}
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fn handle_packets(
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me: &Arc<RwLock<Self>>,
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recycler: &PacketsRecycler,
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blockstore: Option<&Arc<Blockstore>>,
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packets: Packets,
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response_sender: &PacketSender,
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stats: &mut ServeRepairStats,
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) {
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// iter over the packets
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let allocated = thread_mem_usage::Allocatedp::default();
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packets.packets.iter().for_each(|packet| {
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let start = allocated.get();
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let from_addr = packet.meta.addr();
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limited_deserialize(&packet.data[..packet.meta.size])
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.into_iter()
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.for_each(|request| {
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stats.processed += 1;
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let rsp =
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Self::handle_repair(me, recycler, &from_addr, blockstore, request, stats);
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if let Some(rsp) = rsp {
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let _ignore_disconnect = response_sender.send(rsp);
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}
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});
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datapoint_debug!(
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"solana-serve-repair-memory",
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("serve_repair", (allocated.get() - start) as i64, i64),
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);
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});
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}
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fn window_index_request_bytes(&self, slot: Slot, shred_index: u64) -> Result<Vec<u8>> {
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let req = RepairProtocol::WindowIndex(self.my_info.clone(), slot, shred_index);
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let out = serialize(&req)?;
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Ok(out)
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}
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fn window_highest_index_request_bytes(&self, slot: Slot, shred_index: u64) -> Result<Vec<u8>> {
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let req = RepairProtocol::HighestWindowIndex(self.my_info.clone(), slot, shred_index);
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let out = serialize(&req)?;
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Ok(out)
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}
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fn orphan_bytes(&self, slot: Slot) -> Result<Vec<u8>> {
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let req = RepairProtocol::Orphan(self.my_info.clone(), slot);
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let out = serialize(&req)?;
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Ok(out)
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}
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pub fn repair_request(
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&self,
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cluster_slots: &ClusterSlots,
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repair_request: &RepairType,
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cache: &mut RepairCache,
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repair_stats: &mut RepairStats,
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) -> Result<(SocketAddr, Vec<u8>)> {
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// find a peer that appears to be accepting replication and has the desired slot, as indicated
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// by a valid tvu port location
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if cache.get(&repair_request.slot()).is_none() {
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let repair_peers: Vec<_> = self.cluster_info.repair_peers(repair_request.slot());
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if repair_peers.is_empty() {
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return Err(ClusterInfoError::NoPeers.into());
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}
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let weights = cluster_slots.compute_weights(repair_request.slot(), &repair_peers);
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cache.insert(repair_request.slot(), (repair_peers, weights));
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}
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let (repair_peers, weights) = cache.get(&repair_request.slot()).unwrap();
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let n = weighted_best(&weights, Pubkey::new_rand().to_bytes());
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let addr = repair_peers[n].serve_repair; // send the request to the peer's serve_repair port
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let out = self.map_repair_request(repair_request, repair_stats)?;
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Ok((addr, out))
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}
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pub fn repair_request_duplicate_compute_best_peer(
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&self,
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slot: Slot,
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cluster_slots: &ClusterSlots,
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) -> Result<SocketAddr> {
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let repair_peers: Vec<_> = self.cluster_info.repair_peers(slot);
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if repair_peers.is_empty() {
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return Err(ClusterInfoError::NoPeers.into());
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}
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let weights = cluster_slots.compute_weights_exclude_noncomplete(slot, &repair_peers);
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let n = weighted_best(&weights, Pubkey::new_rand().to_bytes());
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Ok(repair_peers[n].serve_repair)
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}
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pub fn map_repair_request(
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&self,
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repair_request: &RepairType,
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repair_stats: &mut RepairStats,
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) -> Result<Vec<u8>> {
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match repair_request {
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RepairType::Shred(slot, shred_index) => {
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repair_stats.shred.update(*slot);
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Ok(self.window_index_request_bytes(*slot, *shred_index)?)
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}
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RepairType::HighestShred(slot, shred_index) => {
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repair_stats.highest_shred.update(*slot);
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Ok(self.window_highest_index_request_bytes(*slot, *shred_index)?)
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}
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RepairType::Orphan(slot) => {
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repair_stats.orphan.update(*slot);
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Ok(self.orphan_bytes(*slot)?)
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}
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}
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}
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fn run_window_request(
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recycler: &PacketsRecycler,
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from: &ContactInfo,
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from_addr: &SocketAddr,
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blockstore: Option<&Arc<Blockstore>>,
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me: &ContactInfo,
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slot: Slot,
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shred_index: u64,
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) -> Option<Packets> {
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if let Some(blockstore) = blockstore {
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// Try to find the requested index in one of the slots
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let packet = Self::get_data_shred_as_packet(blockstore, slot, shred_index, from_addr);
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if let Ok(Some(packet)) = packet {
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inc_new_counter_debug!("serve_repair-window-request-ledger", 1);
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return Some(Packets::new_with_recycler_data(
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recycler,
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"run_window_request",
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vec![packet],
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));
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}
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}
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inc_new_counter_debug!("serve_repair-window-request-fail", 1);
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trace!(
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"{}: failed WindowIndex {} {} {}",
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me.id,
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from.id,
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slot,
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shred_index,
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);
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None
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}
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fn run_highest_window_request(
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recycler: &PacketsRecycler,
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from_addr: &SocketAddr,
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blockstore: Option<&Arc<Blockstore>>,
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slot: Slot,
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highest_index: u64,
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) -> Option<Packets> {
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let blockstore = blockstore?;
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// Try to find the requested index in one of the slots
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let meta = blockstore.meta(slot).ok()??;
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if meta.received > highest_index {
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// meta.received must be at least 1 by this point
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let packet =
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Self::get_data_shred_as_packet(blockstore, slot, meta.received - 1, from_addr)
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.ok()??;
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return Some(Packets::new_with_recycler_data(
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recycler,
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"run_highest_window_request",
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vec![packet],
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));
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}
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None
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}
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fn run_orphan(
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recycler: &PacketsRecycler,
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from_addr: &SocketAddr,
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blockstore: Option<&Arc<Blockstore>>,
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mut slot: Slot,
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max_responses: usize,
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) -> Option<Packets> {
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let mut res = Packets::new_with_recycler(recycler.clone(), 64, "run_orphan");
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if let Some(blockstore) = blockstore {
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// Try to find the next "n" parent slots of the input slot
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while let Ok(Some(meta)) = blockstore.meta(slot) {
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if meta.received == 0 {
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break;
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}
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let packet =
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Self::get_data_shred_as_packet(blockstore, slot, meta.received - 1, from_addr);
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if let Ok(Some(packet)) = packet {
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res.packets.push(packet);
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}
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if meta.is_parent_set() && res.packets.len() <= max_responses {
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slot = meta.parent_slot;
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} else {
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break;
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}
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}
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}
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if res.is_empty() {
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return None;
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}
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Some(res)
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}
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fn get_data_shred_as_packet(
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blockstore: &Arc<Blockstore>,
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slot: Slot,
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shred_index: u64,
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dest: &SocketAddr,
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) -> Result<Option<Packet>> {
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let data = blockstore.get_data_shred(slot, shred_index)?;
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Ok(data.map(|data| {
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let mut packet = Packet::default();
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packet.meta.size = data.len();
|
|
packet.meta.set_addr(dest);
|
|
packet.data.copy_from_slice(&data);
|
|
packet
|
|
}))
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::result::Error;
|
|
use solana_ledger::get_tmp_ledger_path;
|
|
use solana_ledger::{
|
|
blockstore::make_many_slot_entries,
|
|
blockstore_processor::fill_blockstore_slot_with_ticks,
|
|
shred::{
|
|
max_ticks_per_n_shreds, CodingShredHeader, DataShredHeader, Shred, ShredCommonHeader,
|
|
},
|
|
};
|
|
use solana_sdk::{hash::Hash, pubkey::Pubkey, timing::timestamp};
|
|
|
|
/// test run_window_requestwindow requests respond with the right shred, and do not overrun
|
|
#[test]
|
|
fn run_highest_window_request() {
|
|
let recycler = PacketsRecycler::default();
|
|
solana_logger::setup();
|
|
let ledger_path = get_tmp_ledger_path!();
|
|
{
|
|
let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
|
|
let rv = ServeRepair::run_highest_window_request(
|
|
&recycler,
|
|
&socketaddr_any!(),
|
|
Some(&blockstore),
|
|
0,
|
|
0,
|
|
);
|
|
assert!(rv.is_none());
|
|
|
|
let _ = fill_blockstore_slot_with_ticks(
|
|
&blockstore,
|
|
max_ticks_per_n_shreds(1) + 1,
|
|
2,
|
|
1,
|
|
Hash::default(),
|
|
);
|
|
|
|
let rv = ServeRepair::run_highest_window_request(
|
|
&recycler,
|
|
&socketaddr_any!(),
|
|
Some(&blockstore),
|
|
2,
|
|
1,
|
|
);
|
|
let rv: Vec<Shred> = rv
|
|
.expect("packets")
|
|
.packets
|
|
.into_iter()
|
|
.filter_map(|b| Shred::new_from_serialized_shred(b.data.to_vec()).ok())
|
|
.collect();
|
|
assert!(!rv.is_empty());
|
|
let index = blockstore.meta(2).unwrap().unwrap().received - 1;
|
|
assert_eq!(rv[0].index(), index as u32);
|
|
assert_eq!(rv[0].slot(), 2);
|
|
|
|
let rv = ServeRepair::run_highest_window_request(
|
|
&recycler,
|
|
&socketaddr_any!(),
|
|
Some(&blockstore),
|
|
2,
|
|
index + 1,
|
|
);
|
|
assert!(rv.is_none());
|
|
}
|
|
|
|
Blockstore::destroy(&ledger_path).expect("Expected successful database destruction");
|
|
}
|
|
|
|
/// test window requests respond with the right shred, and do not overrun
|
|
#[test]
|
|
fn run_window_request() {
|
|
let recycler = PacketsRecycler::default();
|
|
solana_logger::setup();
|
|
let ledger_path = get_tmp_ledger_path!();
|
|
{
|
|
let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
|
|
let me = ContactInfo {
|
|
id: Pubkey::new_rand(),
|
|
gossip: socketaddr!("127.0.0.1:1234"),
|
|
tvu: socketaddr!("127.0.0.1:1235"),
|
|
tvu_forwards: socketaddr!("127.0.0.1:1236"),
|
|
repair: socketaddr!("127.0.0.1:1237"),
|
|
tpu: socketaddr!("127.0.0.1:1238"),
|
|
tpu_forwards: socketaddr!("127.0.0.1:1239"),
|
|
unused: socketaddr!("127.0.0.1:1240"),
|
|
rpc: socketaddr!("127.0.0.1:1241"),
|
|
rpc_pubsub: socketaddr!("127.0.0.1:1242"),
|
|
serve_repair: socketaddr!("127.0.0.1:1243"),
|
|
wallclock: 0,
|
|
shred_version: 0,
|
|
};
|
|
let rv = ServeRepair::run_window_request(
|
|
&recycler,
|
|
&me,
|
|
&socketaddr_any!(),
|
|
Some(&blockstore),
|
|
&me,
|
|
0,
|
|
0,
|
|
);
|
|
assert!(rv.is_none());
|
|
let mut common_header = ShredCommonHeader::default();
|
|
common_header.slot = 2;
|
|
common_header.index = 1;
|
|
let mut data_header = DataShredHeader::default();
|
|
data_header.parent_offset = 1;
|
|
let shred_info = Shred::new_empty_from_header(
|
|
common_header,
|
|
data_header,
|
|
CodingShredHeader::default(),
|
|
);
|
|
|
|
blockstore
|
|
.insert_shreds(vec![shred_info], None, false)
|
|
.expect("Expect successful ledger write");
|
|
|
|
let rv = ServeRepair::run_window_request(
|
|
&recycler,
|
|
&me,
|
|
&socketaddr_any!(),
|
|
Some(&blockstore),
|
|
&me,
|
|
2,
|
|
1,
|
|
);
|
|
assert!(!rv.is_none());
|
|
let rv: Vec<Shred> = rv
|
|
.expect("packets")
|
|
.packets
|
|
.into_iter()
|
|
.filter_map(|b| Shred::new_from_serialized_shred(b.data.to_vec()).ok())
|
|
.collect();
|
|
assert_eq!(rv[0].index(), 1);
|
|
assert_eq!(rv[0].slot(), 2);
|
|
}
|
|
|
|
Blockstore::destroy(&ledger_path).expect("Expected successful database destruction");
|
|
}
|
|
|
|
#[test]
|
|
fn window_index_request() {
|
|
let cluster_slots = ClusterSlots::default();
|
|
let me = ContactInfo::new_localhost(&Pubkey::new_rand(), timestamp());
|
|
let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(me));
|
|
let serve_repair = ServeRepair::new(cluster_info.clone());
|
|
let rv = serve_repair.repair_request(
|
|
&cluster_slots,
|
|
&RepairType::Shred(0, 0),
|
|
&mut HashMap::new(),
|
|
&mut RepairStats::default(),
|
|
);
|
|
assert_matches!(rv, Err(Error::ClusterInfoError(ClusterInfoError::NoPeers)));
|
|
|
|
let serve_repair_addr = socketaddr!([127, 0, 0, 1], 1243);
|
|
let nxt = ContactInfo {
|
|
id: Pubkey::new_rand(),
|
|
gossip: socketaddr!([127, 0, 0, 1], 1234),
|
|
tvu: socketaddr!([127, 0, 0, 1], 1235),
|
|
tvu_forwards: socketaddr!([127, 0, 0, 1], 1236),
|
|
repair: socketaddr!([127, 0, 0, 1], 1237),
|
|
tpu: socketaddr!([127, 0, 0, 1], 1238),
|
|
tpu_forwards: socketaddr!([127, 0, 0, 1], 1239),
|
|
unused: socketaddr!([127, 0, 0, 1], 1240),
|
|
rpc: socketaddr!([127, 0, 0, 1], 1241),
|
|
rpc_pubsub: socketaddr!([127, 0, 0, 1], 1242),
|
|
serve_repair: serve_repair_addr,
|
|
wallclock: 0,
|
|
shred_version: 0,
|
|
};
|
|
cluster_info.insert_info(nxt.clone());
|
|
let rv = serve_repair
|
|
.repair_request(
|
|
&cluster_slots,
|
|
&RepairType::Shred(0, 0),
|
|
&mut HashMap::new(),
|
|
&mut RepairStats::default(),
|
|
)
|
|
.unwrap();
|
|
assert_eq!(nxt.serve_repair, serve_repair_addr);
|
|
assert_eq!(rv.0, nxt.serve_repair);
|
|
|
|
let serve_repair_addr2 = socketaddr!([127, 0, 0, 2], 1243);
|
|
let nxt = ContactInfo {
|
|
id: Pubkey::new_rand(),
|
|
gossip: socketaddr!([127, 0, 0, 1], 1234),
|
|
tvu: socketaddr!([127, 0, 0, 1], 1235),
|
|
tvu_forwards: socketaddr!([127, 0, 0, 1], 1236),
|
|
repair: socketaddr!([127, 0, 0, 1], 1237),
|
|
tpu: socketaddr!([127, 0, 0, 1], 1238),
|
|
tpu_forwards: socketaddr!([127, 0, 0, 1], 1239),
|
|
unused: socketaddr!([127, 0, 0, 1], 1240),
|
|
rpc: socketaddr!([127, 0, 0, 1], 1241),
|
|
rpc_pubsub: socketaddr!([127, 0, 0, 1], 1242),
|
|
serve_repair: serve_repair_addr2,
|
|
wallclock: 0,
|
|
shred_version: 0,
|
|
};
|
|
cluster_info.insert_info(nxt);
|
|
let mut one = false;
|
|
let mut two = false;
|
|
while !one || !two {
|
|
//this randomly picks an option, so eventually it should pick both
|
|
let rv = serve_repair
|
|
.repair_request(
|
|
&cluster_slots,
|
|
&RepairType::Shred(0, 0),
|
|
&mut HashMap::new(),
|
|
&mut RepairStats::default(),
|
|
)
|
|
.unwrap();
|
|
if rv.0 == serve_repair_addr {
|
|
one = true;
|
|
}
|
|
if rv.0 == serve_repair_addr2 {
|
|
two = true;
|
|
}
|
|
}
|
|
assert!(one && two);
|
|
}
|
|
|
|
#[test]
|
|
fn run_orphan() {
|
|
solana_logger::setup();
|
|
let recycler = PacketsRecycler::default();
|
|
let ledger_path = get_tmp_ledger_path!();
|
|
{
|
|
let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
|
|
let rv =
|
|
ServeRepair::run_orphan(&recycler, &socketaddr_any!(), Some(&blockstore), 2, 0);
|
|
assert!(rv.is_none());
|
|
|
|
// Create slots 1, 2, 3 with 5 shreds apiece
|
|
let (shreds, _) = make_many_slot_entries(1, 3, 5);
|
|
|
|
blockstore
|
|
.insert_shreds(shreds, None, false)
|
|
.expect("Expect successful ledger write");
|
|
|
|
// We don't have slot 4, so we don't know how to service this requeset
|
|
let rv =
|
|
ServeRepair::run_orphan(&recycler, &socketaddr_any!(), Some(&blockstore), 4, 5);
|
|
assert!(rv.is_none());
|
|
|
|
// For slot 3, we should return the highest shreds from slots 3, 2, 1 respectively
|
|
// for this request
|
|
let rv: Vec<_> =
|
|
ServeRepair::run_orphan(&recycler, &socketaddr_any!(), Some(&blockstore), 3, 5)
|
|
.expect("run_orphan packets")
|
|
.packets
|
|
.iter()
|
|
.map(|b| b.clone())
|
|
.collect();
|
|
let expected: Vec<_> = (1..=3)
|
|
.rev()
|
|
.map(|slot| {
|
|
let index = blockstore.meta(slot).unwrap().unwrap().received - 1;
|
|
ServeRepair::get_data_shred_as_packet(
|
|
&blockstore,
|
|
slot,
|
|
index,
|
|
&socketaddr_any!(),
|
|
)
|
|
.unwrap()
|
|
.unwrap()
|
|
})
|
|
.collect();
|
|
assert_eq!(rv, expected)
|
|
}
|
|
|
|
Blockstore::destroy(&ledger_path).expect("Expected successful database destruction");
|
|
}
|
|
}
|