106 lines
2.9 KiB
Rust
106 lines
2.9 KiB
Rust
use {
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crate::{
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consensus::tower_storage::{SavedTowerVersions, TowerStorage},
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next_leader::next_leader_tpu_vote,
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},
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crossbeam_channel::Receiver,
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solana_gossip::cluster_info::ClusterInfo,
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solana_measure::measure::Measure,
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solana_poh::poh_recorder::PohRecorder,
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solana_sdk::{clock::Slot, transaction::Transaction},
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std::{
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sync::{Arc, RwLock},
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thread::{self, Builder, JoinHandle},
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},
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};
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pub enum VoteOp {
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PushVote {
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tx: Transaction,
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tower_slots: Vec<Slot>,
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saved_tower: SavedTowerVersions,
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},
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RefreshVote {
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tx: Transaction,
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last_voted_slot: Slot,
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},
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}
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impl VoteOp {
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fn tx(&self) -> &Transaction {
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match self {
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VoteOp::PushVote { tx, .. } => tx,
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VoteOp::RefreshVote { tx, .. } => tx,
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}
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}
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}
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pub struct VotingService {
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thread_hdl: JoinHandle<()>,
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}
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impl VotingService {
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pub fn new(
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vote_receiver: Receiver<VoteOp>,
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cluster_info: Arc<ClusterInfo>,
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poh_recorder: Arc<RwLock<PohRecorder>>,
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tower_storage: Arc<dyn TowerStorage>,
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) -> Self {
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let thread_hdl = Builder::new()
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.name("solVoteService".to_string())
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.spawn(move || {
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for vote_op in vote_receiver.iter() {
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Self::handle_vote(
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&cluster_info,
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&poh_recorder,
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tower_storage.as_ref(),
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vote_op,
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);
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}
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})
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.unwrap();
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Self { thread_hdl }
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}
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pub fn handle_vote(
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cluster_info: &ClusterInfo,
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poh_recorder: &RwLock<PohRecorder>,
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tower_storage: &dyn TowerStorage,
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vote_op: VoteOp,
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) {
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if let VoteOp::PushVote { saved_tower, .. } = &vote_op {
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let mut measure = Measure::start("tower_save-ms");
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if let Err(err) = tower_storage.store(saved_tower) {
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error!("Unable to save tower to storage: {:?}", err);
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std::process::exit(1);
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}
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measure.stop();
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inc_new_counter_info!("tower_save-ms", measure.as_ms() as usize);
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}
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let _ = cluster_info.send_transaction(
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vote_op.tx(),
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next_leader_tpu_vote(cluster_info, poh_recorder)
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.map(|(_pubkey, target_addr)| target_addr),
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);
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match vote_op {
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VoteOp::PushVote {
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tx, tower_slots, ..
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} => {
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cluster_info.push_vote(&tower_slots, tx);
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}
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VoteOp::RefreshVote {
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tx,
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last_voted_slot,
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} => {
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cluster_info.refresh_vote(tx, last_voted_slot);
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}
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}
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}
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pub fn join(self) -> thread::Result<()> {
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self.thread_hdl.join()
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}
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}
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