2018-12-06 12:52:47 -08:00
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//! The `gossip_service` module implements the network control plane.
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2018-06-06 16:36:54 -07:00
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2019-10-10 16:33:00 -07:00
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use crate::cluster_info::{ClusterInfo, VALIDATOR_PORT_RANGE};
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2019-03-08 17:14:06 -08:00
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use crate::contact_info::ContactInfo;
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2018-12-07 19:16:27 -08:00
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use crate::streamer;
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2019-05-09 13:43:39 -07:00
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use rand::{thread_rng, Rng};
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2019-05-01 17:14:01 -07:00
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use solana_client::thin_client::{create_client, ThinClient};
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2019-10-20 08:54:38 -07:00
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use solana_ledger::bank_forks::BankForks;
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2019-11-14 10:24:53 -08:00
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use solana_perf::recycler::Recycler;
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2019-04-01 16:11:42 -07:00
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use solana_sdk::pubkey::Pubkey;
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2020-02-20 13:28:55 -08:00
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use solana_sdk::signature::{Keypair, Signer};
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2019-11-11 11:42:58 -08:00
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use std::net::{SocketAddr, TcpListener, UdpSocket};
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2018-07-09 13:53:18 -07:00
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use std::sync::atomic::{AtomicBool, Ordering};
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2018-05-27 18:21:39 -07:00
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use std::sync::mpsc::channel;
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use std::sync::{Arc, RwLock};
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2019-08-30 16:12:58 -07:00
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use std::thread::{self, sleep, JoinHandle};
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2019-03-06 20:54:43 -08:00
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use std::time::{Duration, Instant};
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2018-05-27 18:21:39 -07:00
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2018-12-06 12:52:47 -08:00
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pub struct GossipService {
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2018-07-03 21:14:08 -07:00
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thread_hdls: Vec<JoinHandle<()>>,
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2018-05-27 18:21:39 -07:00
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}
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2018-12-06 12:52:47 -08:00
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impl GossipService {
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2018-05-27 18:21:39 -07:00
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pub fn new(
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2018-10-08 19:55:54 -07:00
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cluster_info: &Arc<RwLock<ClusterInfo>>,
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2019-02-20 21:36:08 -08:00
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bank_forks: Option<Arc<RwLock<BankForks>>>,
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2018-08-28 16:32:40 -07:00
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gossip_socket: UdpSocket,
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2019-03-04 16:33:14 -08:00
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exit: &Arc<AtomicBool>,
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2018-09-03 02:23:43 -07:00
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) -> Self {
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2018-05-27 18:21:39 -07:00
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let (request_sender, request_receiver) = channel();
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2018-08-28 16:32:40 -07:00
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let gossip_socket = Arc::new(gossip_socket);
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2018-05-27 18:21:39 -07:00
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trace!(
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2018-12-06 12:52:47 -08:00
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"GossipService: id: {}, listening on: {:?}",
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2018-11-15 13:23:26 -08:00
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&cluster_info.read().unwrap().my_data().id,
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2018-08-28 16:32:40 -07:00
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gossip_socket.local_addr().unwrap()
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2018-05-27 18:21:39 -07:00
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);
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2019-11-14 10:24:53 -08:00
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let t_receiver = streamer::receiver(
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gossip_socket.clone(),
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&exit,
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request_sender,
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Recycler::default(),
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"gossip_receiver",
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);
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2018-05-27 18:21:39 -07:00
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let (response_sender, response_receiver) = channel();
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2018-12-06 12:52:47 -08:00
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let t_responder = streamer::responder("gossip", gossip_socket, response_receiver);
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2018-10-08 19:55:54 -07:00
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let t_listen = ClusterInfo::listen(
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cluster_info.clone(),
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2019-06-26 00:30:16 -07:00
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bank_forks.clone(),
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2018-05-27 18:21:39 -07:00
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request_receiver,
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response_sender.clone(),
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2019-03-04 20:50:02 -08:00
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exit,
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2019-02-20 21:36:08 -08:00
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);
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2019-03-04 20:50:02 -08:00
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let t_gossip = ClusterInfo::gossip(cluster_info.clone(), bank_forks, response_sender, exit);
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2018-05-27 18:21:39 -07:00
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let thread_hdls = vec![t_receiver, t_responder, t_listen, t_gossip];
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2019-03-04 18:53:03 -08:00
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Self { thread_hdls }
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2018-05-27 18:21:39 -07:00
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}
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2019-11-13 10:12:09 -08:00
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pub fn join(self) -> thread::Result<()> {
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for thread_hdl in self.thread_hdls {
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thread_hdl.join()?;
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}
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Ok(())
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}
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2018-05-27 18:21:39 -07:00
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}
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2019-10-21 10:29:37 -07:00
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/// Discover Nodes and Archivers in a cluster
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2019-05-16 07:14:58 -07:00
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pub fn discover_cluster(
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2019-11-16 13:16:28 -08:00
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entrypoint: &SocketAddr,
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2019-04-01 16:11:42 -07:00
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num_nodes: usize,
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2019-05-16 07:14:58 -07:00
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) -> std::io::Result<(Vec<ContactInfo>, Vec<ContactInfo>)> {
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2019-11-16 13:16:28 -08:00
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discover(
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Some(entrypoint),
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Some(num_nodes),
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Some(30),
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None,
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None,
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None,
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)
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2019-04-01 16:11:42 -07:00
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}
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pub fn discover(
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2019-11-16 13:16:28 -08:00
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entrypoint: Option<&SocketAddr>,
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2019-04-01 16:11:42 -07:00
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num_nodes: Option<usize>,
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timeout: Option<u64>,
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2019-08-30 16:12:58 -07:00
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find_node_by_pubkey: Option<Pubkey>,
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2019-11-16 13:16:28 -08:00
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find_node_by_gossip_addr: Option<&SocketAddr>,
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2019-11-11 11:42:58 -08:00
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my_gossip_addr: Option<&SocketAddr>,
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2019-05-16 07:14:58 -07:00
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) -> std::io::Result<(Vec<ContactInfo>, Vec<ContactInfo>)> {
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2019-03-04 18:53:03 -08:00
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let exit = Arc::new(AtomicBool::new(false));
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2019-11-16 13:16:28 -08:00
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let (gossip_service, ip_echo, spy_ref) = make_gossip_node(entrypoint, &exit, my_gossip_addr);
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2019-04-30 16:42:56 -07:00
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2019-03-06 17:08:40 -08:00
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let id = spy_ref.read().unwrap().keypair.pubkey();
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2019-11-16 13:16:28 -08:00
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info!("Entrypoint: {:?}", entrypoint);
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info!("Node Id: {:?}", id);
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if let Some(my_gossip_addr) = my_gossip_addr {
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info!("Gossip Address: {:?}", my_gossip_addr);
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}
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2019-02-10 16:28:52 -08:00
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2019-11-12 12:37:13 -08:00
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let _ip_echo_server = ip_echo.map(solana_net_utils::ip_echo_server);
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2019-10-24 15:35:33 -07:00
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2020-02-12 11:16:07 -08:00
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let (met_criteria, secs, tvu_peers, storage_peers) = spy(
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2019-08-30 16:12:58 -07:00
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spy_ref.clone(),
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num_nodes,
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timeout,
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find_node_by_pubkey,
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2019-11-11 11:42:58 -08:00
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find_node_by_gossip_addr,
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2019-08-30 16:12:58 -07:00
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);
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2019-04-01 16:11:42 -07:00
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exit.store(true, Ordering::Relaxed);
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gossip_service.join().unwrap();
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if met_criteria {
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info!(
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"discover success in {}s...\n{}",
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secs,
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spy_ref.read().unwrap().contact_info_trace()
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);
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2020-02-12 11:16:07 -08:00
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return Ok((tvu_peers, storage_peers));
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2019-04-01 16:11:42 -07:00
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}
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if !tvu_peers.is_empty() {
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info!(
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"discover failed to match criteria by timeout...\n{}",
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spy_ref.read().unwrap().contact_info_trace()
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);
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2020-02-12 11:16:07 -08:00
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return Ok((tvu_peers, storage_peers));
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2019-04-01 16:11:42 -07:00
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}
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info!(
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"discover failed...\n{}",
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spy_ref.read().unwrap().contact_info_trace()
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);
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Err(std::io::Error::new(
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std::io::ErrorKind::Other,
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2019-08-13 10:49:48 -07:00
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"Discover failed",
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2019-04-01 16:11:42 -07:00
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))
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}
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2019-05-09 13:43:39 -07:00
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/// Creates a ThinClient per valid node
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2019-05-01 17:14:01 -07:00
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pub fn get_clients(nodes: &[ContactInfo]) -> Vec<ThinClient> {
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nodes
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.iter()
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.filter_map(ContactInfo::valid_client_facing_addr)
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2019-10-10 16:33:00 -07:00
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.map(|addrs| create_client(addrs, VALIDATOR_PORT_RANGE))
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2019-05-01 17:14:01 -07:00
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.collect()
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}
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2019-05-09 13:43:39 -07:00
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/// Creates a ThinClient by selecting a valid node at random
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pub fn get_client(nodes: &[ContactInfo]) -> ThinClient {
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let nodes: Vec<_> = nodes
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.iter()
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.filter_map(ContactInfo::valid_client_facing_addr)
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.collect();
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let select = thread_rng().gen_range(0, nodes.len());
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2019-10-10 16:33:00 -07:00
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create_client(nodes[select], VALIDATOR_PORT_RANGE)
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2019-05-09 13:43:39 -07:00
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}
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2019-05-27 20:54:44 -07:00
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pub fn get_multi_client(nodes: &[ContactInfo]) -> (ThinClient, usize) {
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let addrs: Vec<_> = nodes
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.iter()
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.filter_map(ContactInfo::valid_client_facing_addr)
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.map(|addrs| addrs)
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.collect();
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2019-09-06 09:07:40 -07:00
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let rpc_addrs: Vec<_> = addrs.iter().map(|addr| addr.0).collect();
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let tpu_addrs: Vec<_> = addrs.iter().map(|addr| addr.1).collect();
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2019-11-12 12:37:13 -08:00
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let (_, transactions_socket) = solana_net_utils::bind_in_range(VALIDATOR_PORT_RANGE).unwrap();
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2019-09-06 09:07:40 -07:00
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let num_nodes = tpu_addrs.len();
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2019-05-27 20:54:44 -07:00
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(
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2019-09-06 09:07:40 -07:00
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ThinClient::new_from_addrs(rpc_addrs, tpu_addrs, transactions_socket),
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2019-05-27 20:54:44 -07:00
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num_nodes,
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)
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}
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2019-04-01 16:11:42 -07:00
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fn spy(
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spy_ref: Arc<RwLock<ClusterInfo>>,
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num_nodes: Option<usize>,
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timeout: Option<u64>,
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2019-08-30 16:12:58 -07:00
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find_node_by_pubkey: Option<Pubkey>,
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2019-11-16 13:16:28 -08:00
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find_node_by_gossip_addr: Option<&SocketAddr>,
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2019-05-16 07:14:58 -07:00
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) -> (bool, u64, Vec<ContactInfo>, Vec<ContactInfo>) {
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2019-03-06 20:54:43 -08:00
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let now = Instant::now();
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2019-04-01 16:11:42 -07:00
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let mut met_criteria = false;
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let mut tvu_peers: Vec<ContactInfo> = Vec::new();
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2020-02-12 11:16:07 -08:00
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let mut storage_peers: Vec<ContactInfo> = Vec::new();
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let mut i = 1;
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while !met_criteria {
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2019-04-01 16:11:42 -07:00
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if let Some(secs) = timeout {
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if now.elapsed() >= Duration::from_secs(secs) {
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break;
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}
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}
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2020-02-12 11:16:07 -08:00
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2019-05-16 07:14:58 -07:00
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tvu_peers = spy_ref
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.read()
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.unwrap()
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2020-01-30 00:15:37 -08:00
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.all_tvu_peers()
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2019-05-16 07:14:58 -07:00
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.into_iter()
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.collect::<Vec<_>>();
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2020-02-12 11:16:07 -08:00
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storage_peers = spy_ref.read().unwrap().all_storage_peers();
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let mut nodes: Vec<_> = tvu_peers.iter().chain(storage_peers.iter()).collect();
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nodes.sort();
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nodes.dedup();
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let found_node_by_pubkey = if let Some(pubkey) = find_node_by_pubkey {
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nodes.iter().any(|x| x.id == pubkey)
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} else {
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false
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};
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let found_node_by_gossip_addr = if let Some(gossip_addr) = find_node_by_gossip_addr {
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nodes.iter().any(|x| x.gossip == *gossip_addr)
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} else {
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false
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};
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2019-04-01 16:11:42 -07:00
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if let Some(num) = num_nodes {
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2020-02-12 11:16:07 -08:00
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if nodes.len() >= num {
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if found_node_by_pubkey || found_node_by_gossip_addr {
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2019-04-01 16:11:42 -07:00
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met_criteria = true;
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}
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2020-02-12 11:16:07 -08:00
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if find_node_by_pubkey.is_none() && find_node_by_gossip_addr.is_none() {
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2019-08-30 16:12:58 -07:00
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met_criteria = true;
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}
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2019-04-01 16:11:42 -07:00
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}
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2020-02-12 11:16:07 -08:00
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} else if found_node_by_pubkey || found_node_by_gossip_addr {
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met_criteria = true;
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2019-02-10 16:28:52 -08:00
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}
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2019-03-06 20:54:43 -08:00
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if i % 20 == 0 {
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2019-03-07 10:13:54 -08:00
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info!(
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"discovering...\n{}",
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2019-03-08 17:23:07 -08:00
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spy_ref.read().unwrap().contact_info_trace()
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2019-03-06 20:54:43 -08:00
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);
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}
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sleep(Duration::from_millis(
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crate::cluster_info::GOSSIP_SLEEP_MILLIS,
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));
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i += 1;
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2019-02-10 16:28:52 -08:00
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}
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2020-02-12 11:16:07 -08:00
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(
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met_criteria,
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now.elapsed().as_secs(),
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tvu_peers,
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storage_peers,
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)
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2019-02-10 16:28:52 -08:00
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}
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2019-04-30 16:42:56 -07:00
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/// Makes a spy or gossip node based on whether or not a gossip_addr was passed in
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/// Pass in a gossip addr to fully participate in gossip instead of relying on just pulls
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fn make_gossip_node(
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2019-11-16 13:16:28 -08:00
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entrypoint: Option<&SocketAddr>,
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2019-03-04 18:53:03 -08:00
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exit: &Arc<AtomicBool>,
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2019-04-30 16:42:56 -07:00
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gossip_addr: Option<&SocketAddr>,
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2019-10-24 15:35:33 -07:00
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) -> (GossipService, Option<TcpListener>, Arc<RwLock<ClusterInfo>>) {
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2019-03-06 19:09:37 -08:00
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let keypair = Arc::new(Keypair::new());
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2019-10-24 15:35:33 -07:00
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let (node, gossip_socket, ip_echo) = if let Some(gossip_addr) = gossip_addr {
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2019-04-30 16:42:56 -07:00
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ClusterInfo::gossip_node(&keypair.pubkey(), gossip_addr)
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} else {
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ClusterInfo::spy_node(&keypair.pubkey())
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};
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2019-03-07 10:28:19 -08:00
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let mut cluster_info = ClusterInfo::new(node, keypair);
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2019-11-16 13:16:28 -08:00
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if let Some(entrypoint) = entrypoint {
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cluster_info.set_entrypoint(ContactInfo::new_gossip_entry_point(entrypoint));
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}
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2019-03-06 19:09:37 -08:00
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let cluster_info = Arc::new(RwLock::new(cluster_info));
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2020-01-31 14:23:51 -08:00
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let gossip_service = GossipService::new(&cluster_info.clone(), None, gossip_socket, &exit);
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2019-10-24 15:35:33 -07:00
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(gossip_service, ip_echo, cluster_info)
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2019-02-10 16:28:52 -08:00
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}
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|
|
|
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2018-05-27 18:21:39 -07:00
|
|
|
#[cfg(test)]
|
|
|
|
mod tests {
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2018-12-06 12:52:47 -08:00
|
|
|
use super::*;
|
2018-12-07 19:16:27 -08:00
|
|
|
use crate::cluster_info::{ClusterInfo, Node};
|
2018-07-09 13:53:18 -07:00
|
|
|
use std::sync::atomic::AtomicBool;
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2018-05-27 18:21:39 -07:00
|
|
|
use std::sync::{Arc, RwLock};
|
|
|
|
|
2018-05-30 09:50:28 -07:00
|
|
|
#[test]
|
2018-07-09 17:35:23 -07:00
|
|
|
#[ignore]
|
2018-05-30 09:50:28 -07:00
|
|
|
// test that stage will exit when flag is set
|
|
|
|
fn test_exit() {
|
|
|
|
let exit = Arc::new(AtomicBool::new(false));
|
2018-08-28 16:32:40 -07:00
|
|
|
let tn = Node::new_localhost();
|
2019-03-06 13:47:18 -08:00
|
|
|
let cluster_info = ClusterInfo::new_with_invalid_keypair(tn.info.clone());
|
2018-10-08 19:55:54 -07:00
|
|
|
let c = Arc::new(RwLock::new(cluster_info));
|
2020-01-31 14:23:51 -08:00
|
|
|
let d = GossipService::new(&c, None, tn.sockets.gossip, &exit);
|
2019-03-04 18:53:03 -08:00
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
d.join().unwrap();
|
2018-05-27 18:21:39 -07:00
|
|
|
}
|
2019-04-01 16:11:42 -07:00
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_gossip_services_spy() {
|
|
|
|
let keypair = Keypair::new();
|
|
|
|
let peer0 = Pubkey::new_rand();
|
|
|
|
let peer1 = Pubkey::new_rand();
|
|
|
|
let contact_info = ContactInfo::new_localhost(&keypair.pubkey(), 0);
|
|
|
|
let peer0_info = ContactInfo::new_localhost(&peer0, 0);
|
|
|
|
let peer1_info = ContactInfo::new_localhost(&peer1, 0);
|
|
|
|
let mut cluster_info = ClusterInfo::new(contact_info.clone(), Arc::new(keypair));
|
2019-11-11 11:42:58 -08:00
|
|
|
cluster_info.insert_info(peer0_info.clone());
|
2019-04-01 16:11:42 -07:00
|
|
|
cluster_info.insert_info(peer1_info);
|
|
|
|
|
|
|
|
let spy_ref = Arc::new(RwLock::new(cluster_info));
|
|
|
|
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, secs, tvu_peers, _) = spy(spy_ref.clone(), None, Some(1), None, None);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, false);
|
|
|
|
assert_eq!(secs, 1);
|
|
|
|
assert_eq!(tvu_peers, spy_ref.read().unwrap().tvu_peers());
|
|
|
|
|
|
|
|
// Find num_nodes
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(spy_ref.clone(), Some(1), None, None, None);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, true);
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(spy_ref.clone(), Some(2), None, None, None);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, true);
|
|
|
|
|
|
|
|
// Find specific node by pubkey
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(spy_ref.clone(), None, None, Some(peer0), None);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, true);
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(
|
|
|
|
spy_ref.clone(),
|
|
|
|
None,
|
|
|
|
Some(0),
|
|
|
|
Some(Pubkey::new_rand()),
|
|
|
|
None,
|
|
|
|
);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, false);
|
|
|
|
|
|
|
|
// Find num_nodes *and* specific node by pubkey
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(spy_ref.clone(), Some(1), None, Some(peer0), None);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, true);
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(spy_ref.clone(), Some(3), Some(0), Some(peer0), None);
|
|
|
|
assert_eq!(met_criteria, false);
|
|
|
|
let (met_criteria, _, _, _) = spy(
|
|
|
|
spy_ref.clone(),
|
|
|
|
Some(1),
|
|
|
|
Some(0),
|
|
|
|
Some(Pubkey::new_rand()),
|
|
|
|
None,
|
|
|
|
);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, false);
|
2019-08-30 16:12:58 -07:00
|
|
|
|
2019-11-11 11:42:58 -08:00
|
|
|
// Find specific node by gossip address
|
|
|
|
let (met_criteria, _, _, _) =
|
2019-11-16 13:16:28 -08:00
|
|
|
spy(spy_ref.clone(), None, None, None, Some(&peer0_info.gossip));
|
2019-08-30 16:12:58 -07:00
|
|
|
assert_eq!(met_criteria, true);
|
2019-11-16 13:16:28 -08:00
|
|
|
|
2019-08-30 16:12:58 -07:00
|
|
|
let (met_criteria, _, _, _) = spy(
|
|
|
|
spy_ref.clone(),
|
|
|
|
None,
|
|
|
|
Some(0),
|
|
|
|
None,
|
2019-11-16 13:16:28 -08:00
|
|
|
Some(&"1.1.1.1:1234".parse().unwrap()),
|
2019-08-30 16:12:58 -07:00
|
|
|
);
|
2019-04-01 16:11:42 -07:00
|
|
|
assert_eq!(met_criteria, false);
|
|
|
|
}
|
2018-05-27 18:21:39 -07:00
|
|
|
}
|