2022-02-04 06:27:09 -08:00
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use {
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crossbeam_channel::Sender,
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futures_util::stream::StreamExt,
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pem::Pem,
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pkcs8::{der::Document, AlgorithmIdentifier, ObjectIdentifier},
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2022-04-15 12:09:24 -07:00
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quinn::{Endpoint, EndpointConfig, IdleTimeout, IncomingUniStreams, ServerConfig, VarInt},
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2022-02-04 06:27:09 -08:00
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rcgen::{CertificateParams, DistinguishedName, DnType, SanType},
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solana_perf::packet::PacketBatch,
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solana_sdk::{
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packet::{Packet, PACKET_DATA_SIZE},
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2022-04-15 12:09:24 -07:00
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quic::{QUIC_MAX_CONCURRENT_STREAMS, QUIC_MAX_TIMEOUT_MS},
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2022-02-04 06:27:09 -08:00
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signature::Keypair,
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2022-03-09 01:52:31 -08:00
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timing,
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2022-02-04 06:27:09 -08:00
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},
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std::{
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collections::{hash_map::Entry, HashMap},
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error::Error,
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net::{IpAddr, SocketAddr, UdpSocket},
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sync::{
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2022-03-09 01:52:31 -08:00
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atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering},
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2022-04-16 01:54:22 -07:00
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Arc, Mutex, RwLock,
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2022-02-04 06:27:09 -08:00
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},
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thread,
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2022-03-09 01:52:31 -08:00
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time::{Duration, Instant},
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2022-02-04 06:27:09 -08:00
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},
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tokio::{
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runtime::{Builder, Runtime},
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time::timeout,
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},
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};
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2022-04-16 01:54:22 -07:00
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pub const MAX_STAKED_CONNECTIONS: usize = 2000;
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pub const MAX_UNSTAKED_CONNECTIONS: usize = 500;
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2022-04-27 13:50:08 -07:00
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const NUM_QUIC_STREAMER_WORKER_THREADS: usize = 4;
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2022-04-16 01:54:22 -07:00
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2022-02-04 06:27:09 -08:00
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/// Returns default server configuration along with its PEM certificate chain.
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#[allow(clippy::field_reassign_with_default)] // https://github.com/rust-lang/rust-clippy/issues/6527
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fn configure_server(
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identity_keypair: &Keypair,
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gossip_host: IpAddr,
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) -> Result<(ServerConfig, String), QuicServerError> {
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let (cert_chain, priv_key) =
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new_cert(identity_keypair, gossip_host).map_err(|_e| QuicServerError::ConfigureFailed)?;
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let cert_chain_pem_parts: Vec<Pem> = cert_chain
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.iter()
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.map(|cert| Pem {
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tag: "CERTIFICATE".to_string(),
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contents: cert.0.clone(),
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})
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.collect();
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let cert_chain_pem = pem::encode_many(&cert_chain_pem_parts);
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let mut server_config = ServerConfig::with_single_cert(cert_chain, priv_key)
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.map_err(|_e| QuicServerError::ConfigureFailed)?;
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let config = Arc::get_mut(&mut server_config.transport).unwrap();
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2022-03-09 18:33:05 -08:00
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// QUIC_MAX_CONCURRENT_STREAMS doubled, which was found to improve reliability
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const MAX_CONCURRENT_UNI_STREAMS: u32 = (QUIC_MAX_CONCURRENT_STREAMS * 2) as u32;
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2022-02-04 06:27:09 -08:00
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config.max_concurrent_uni_streams(MAX_CONCURRENT_UNI_STREAMS.into());
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config.stream_receive_window((PACKET_DATA_SIZE as u32).into());
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config.receive_window((PACKET_DATA_SIZE as u32 * MAX_CONCURRENT_UNI_STREAMS).into());
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2022-04-15 12:09:24 -07:00
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let timeout = IdleTimeout::from(VarInt::from_u32(QUIC_MAX_TIMEOUT_MS));
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config.max_idle_timeout(Some(timeout));
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2022-02-04 06:27:09 -08:00
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// disable bidi & datagrams
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const MAX_CONCURRENT_BIDI_STREAMS: u32 = 0;
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config.max_concurrent_bidi_streams(MAX_CONCURRENT_BIDI_STREAMS.into());
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config.datagram_receive_buffer_size(None);
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Ok((server_config, cert_chain_pem))
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}
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fn new_cert(
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identity_keypair: &Keypair,
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san: IpAddr,
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) -> Result<(Vec<rustls::Certificate>, rustls::PrivateKey), Box<dyn Error>> {
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// Generate a self-signed cert from validator identity key
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let cert_params = new_cert_params(identity_keypair, san);
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let cert = rcgen::Certificate::from_params(cert_params)?;
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let cert_der = cert.serialize_der().unwrap();
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let priv_key = cert.serialize_private_key_der();
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let priv_key = rustls::PrivateKey(priv_key);
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let cert_chain = vec![rustls::Certificate(cert_der)];
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Ok((cert_chain, priv_key))
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}
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fn convert_to_rcgen_keypair(identity_keypair: &Keypair) -> rcgen::KeyPair {
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// from https://datatracker.ietf.org/doc/html/rfc8410#section-3
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const ED25519_IDENTIFIER: [u32; 4] = [1, 3, 101, 112];
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let mut private_key = Vec::<u8>::with_capacity(34);
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private_key.extend_from_slice(&[0x04, 0x20]); // ASN.1 OCTET STRING
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private_key.extend_from_slice(identity_keypair.secret().as_bytes());
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let key_pkcs8 = pkcs8::PrivateKeyInfo {
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algorithm: AlgorithmIdentifier {
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oid: ObjectIdentifier::from_arcs(&ED25519_IDENTIFIER).unwrap(),
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parameters: None,
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},
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private_key: &private_key,
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public_key: None,
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};
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let key_pkcs8_der = key_pkcs8
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.to_der()
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.expect("Failed to convert keypair to DER")
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.to_der();
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// Parse private key into rcgen::KeyPair struct.
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rcgen::KeyPair::from_der(&key_pkcs8_der).expect("Failed to parse keypair from DER")
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}
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fn new_cert_params(identity_keypair: &Keypair, san: IpAddr) -> CertificateParams {
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// TODO(terorie): Is it safe to sign the TLS cert with the identity private key?
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// Unfortunately, rcgen does not accept a "raw" Ed25519 key.
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// We have to convert it to DER and pass it to the library.
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// Convert private key into PKCS#8 v1 object.
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// RFC 8410, Section 7: Private Key Format
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// https://datatracker.ietf.org/doc/html/rfc8410#section-
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let keypair = convert_to_rcgen_keypair(identity_keypair);
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let mut cert_params = CertificateParams::default();
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cert_params.subject_alt_names = vec![SanType::IpAddress(san)];
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cert_params.alg = &rcgen::PKCS_ED25519;
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cert_params.key_pair = Some(keypair);
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cert_params.distinguished_name = DistinguishedName::new();
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cert_params
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.distinguished_name
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.push(DnType::CommonName, "Solana node");
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cert_params
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}
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2022-03-09 01:52:31 -08:00
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fn rt() -> Runtime {
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Builder::new_multi_thread()
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2022-04-27 13:50:08 -07:00
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.worker_threads(NUM_QUIC_STREAMER_WORKER_THREADS)
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2022-03-09 01:52:31 -08:00
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.enable_all()
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.build()
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.unwrap()
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2022-02-04 06:27:09 -08:00
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}
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#[derive(thiserror::Error, Debug)]
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pub enum QuicServerError {
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#[error("Server configure failed")]
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ConfigureFailed,
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#[error("Endpoint creation failed")]
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EndpointFailed,
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}
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// Return true if the server should drop the stream
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fn handle_chunk(
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chunk: &Result<Option<quinn::Chunk>, quinn::ReadError>,
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maybe_batch: &mut Option<PacketBatch>,
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remote_addr: &SocketAddr,
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packet_sender: &Sender<PacketBatch>,
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2022-04-25 10:12:11 -07:00
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stats: Arc<StreamStats>,
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stake: u64,
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2022-02-04 06:27:09 -08:00
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) -> bool {
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match chunk {
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Ok(maybe_chunk) => {
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if let Some(chunk) = maybe_chunk {
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trace!("got chunk: {:?}", chunk);
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let chunk_len = chunk.bytes.len() as u64;
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// shouldn't happen, but sanity check the size and offsets
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if chunk.offset > PACKET_DATA_SIZE as u64 || chunk_len > PACKET_DATA_SIZE as u64 {
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2022-04-25 10:12:11 -07:00
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stats.total_invalid_chunks.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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return true;
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}
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if chunk.offset + chunk_len > PACKET_DATA_SIZE as u64 {
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2022-04-25 10:12:11 -07:00
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stats
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.total_invalid_chunk_size
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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return true;
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}
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// chunk looks valid
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if maybe_batch.is_none() {
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let mut batch = PacketBatch::with_capacity(1);
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let mut packet = Packet::default();
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packet.meta.set_addr(remote_addr);
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2022-05-07 07:45:03 -07:00
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packet.meta.sender_stake = stake;
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2022-02-04 06:27:09 -08:00
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batch.packets.push(packet);
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*maybe_batch = Some(batch);
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2022-04-25 10:12:11 -07:00
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stats
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.total_packets_allocated
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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}
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if let Some(batch) = maybe_batch.as_mut() {
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let end = chunk.offset as usize + chunk.bytes.len();
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batch.packets[0].data[chunk.offset as usize..end].copy_from_slice(&chunk.bytes);
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batch.packets[0].meta.size = std::cmp::max(batch.packets[0].meta.size, end);
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2022-04-25 10:12:11 -07:00
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stats.total_chunks_received.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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}
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} else {
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trace!("chunk is none");
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// done receiving chunks
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if let Some(batch) = maybe_batch.take() {
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let len = batch.packets[0].meta.size;
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if let Err(e) = packet_sender.send(batch) {
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2022-04-25 10:12:11 -07:00
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stats
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.total_packet_batch_send_err
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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info!("send error: {}", e);
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} else {
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2022-04-25 10:12:11 -07:00
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stats
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.total_packet_batches_sent
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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trace!("sent {} byte packet", len);
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}
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2022-04-25 10:12:11 -07:00
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} else {
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stats
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.total_packet_batches_none
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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}
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return true;
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}
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}
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Err(e) => {
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debug!("Received stream error: {:?}", e);
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2022-04-25 10:12:11 -07:00
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stats
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.total_stream_read_errors
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.fetch_add(1, Ordering::Relaxed);
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2022-02-04 06:27:09 -08:00
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return true;
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}
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}
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false
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}
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2022-03-09 01:52:31 -08:00
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#[derive(Debug)]
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struct ConnectionEntry {
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exit: Arc<AtomicBool>,
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last_update: Arc<AtomicU64>,
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port: u16,
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}
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impl ConnectionEntry {
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fn new(exit: Arc<AtomicBool>, last_update: Arc<AtomicU64>, port: u16) -> Self {
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Self {
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exit,
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last_update,
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port,
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}
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}
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fn last_update(&self) -> u64 {
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self.last_update.load(Ordering::Relaxed)
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}
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}
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impl Drop for ConnectionEntry {
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fn drop(&mut self) {
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self.exit.store(true, Ordering::Relaxed);
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}
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}
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// Map of IP to list of connection entries
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#[derive(Default, Debug)]
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struct ConnectionTable {
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table: HashMap<IpAddr, Vec<ConnectionEntry>>,
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total_size: usize,
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}
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// Prune the connection which has the oldest update
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// Return number pruned
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impl ConnectionTable {
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fn prune_oldest(&mut self, max_size: usize) -> usize {
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let mut num_pruned = 0;
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while self.total_size > max_size {
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let mut oldest = std::u64::MAX;
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let mut oldest_ip = None;
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for (ip, connections) in self.table.iter() {
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for entry in connections {
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let last_update = entry.last_update();
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if last_update < oldest {
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oldest = last_update;
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oldest_ip = Some(*ip);
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}
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}
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}
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2022-05-21 15:06:05 -07:00
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if let Some(removed) = self.table.remove(&oldest_ip.unwrap()) {
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self.total_size -= removed.len();
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num_pruned += removed.len();
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}
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2022-03-09 01:52:31 -08:00
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}
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num_pruned
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}
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fn try_add_connection(
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&mut self,
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addr: &SocketAddr,
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last_update: u64,
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max_connections_per_ip: usize,
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) -> Option<(Arc<AtomicU64>, Arc<AtomicBool>)> {
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let connection_entry = self.table.entry(addr.ip()).or_insert_with(Vec::new);
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let has_connection_capacity = connection_entry
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.len()
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.checked_add(1)
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.map(|c| c <= max_connections_per_ip)
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.unwrap_or(false);
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if has_connection_capacity {
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let exit = Arc::new(AtomicBool::new(false));
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let last_update = Arc::new(AtomicU64::new(last_update));
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connection_entry.push(ConnectionEntry::new(
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exit.clone(),
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last_update.clone(),
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addr.port(),
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));
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self.total_size += 1;
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Some((last_update, exit))
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} else {
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None
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}
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}
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fn remove_connection(&mut self, addr: &SocketAddr) {
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if let Entry::Occupied(mut e) = self.table.entry(addr.ip()) {
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let e_ref = e.get_mut();
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e_ref.retain(|connection| connection.port != addr.port());
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|
|
|
if e_ref.is_empty() {
|
|
|
|
e.remove_entry();
|
|
|
|
}
|
|
|
|
self.total_size -= 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[derive(Default)]
|
|
|
|
struct StreamStats {
|
|
|
|
total_connections: AtomicUsize,
|
|
|
|
total_new_connections: AtomicUsize,
|
|
|
|
total_streams: AtomicUsize,
|
|
|
|
total_new_streams: AtomicUsize,
|
2022-04-25 10:12:11 -07:00
|
|
|
total_invalid_chunks: AtomicUsize,
|
|
|
|
total_invalid_chunk_size: AtomicUsize,
|
|
|
|
total_packets_allocated: AtomicUsize,
|
|
|
|
total_chunks_received: AtomicUsize,
|
|
|
|
total_packet_batch_send_err: AtomicUsize,
|
|
|
|
total_packet_batches_sent: AtomicUsize,
|
|
|
|
total_packet_batches_none: AtomicUsize,
|
|
|
|
total_stream_read_errors: AtomicUsize,
|
2022-03-09 01:52:31 -08:00
|
|
|
num_evictions: AtomicUsize,
|
2022-04-19 13:05:02 -07:00
|
|
|
connection_add_failed: AtomicUsize,
|
|
|
|
connection_setup_timeout: AtomicUsize,
|
2022-03-09 01:52:31 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
impl StreamStats {
|
|
|
|
fn report(&self) {
|
|
|
|
datapoint_info!(
|
|
|
|
"quic-connections",
|
|
|
|
(
|
|
|
|
"active_connections",
|
|
|
|
self.total_connections.load(Ordering::Relaxed),
|
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"active_streams",
|
|
|
|
self.total_streams.load(Ordering::Relaxed),
|
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"new_connections",
|
|
|
|
self.total_new_connections.swap(0, Ordering::Relaxed),
|
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"new_streams",
|
|
|
|
self.total_new_streams.swap(0, Ordering::Relaxed),
|
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"evictions",
|
|
|
|
self.num_evictions.swap(0, Ordering::Relaxed),
|
|
|
|
i64
|
|
|
|
),
|
2022-04-19 13:05:02 -07:00
|
|
|
(
|
|
|
|
"connection_add_failed",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.connection_add_failed.swap(0, Ordering::Relaxed),
|
2022-04-19 13:05:02 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"connection_setup_timeout",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.connection_setup_timeout.swap(0, Ordering::Relaxed),
|
2022-04-19 13:05:02 -07:00
|
|
|
i64
|
|
|
|
),
|
2022-04-25 10:12:11 -07:00
|
|
|
(
|
|
|
|
"invalid_chunk",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_invalid_chunks.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"invalid_chunk_size",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_invalid_chunk_size.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"packets_allocated",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_packets_allocated.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"chunks_received",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_chunks_received.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"packet_batch_send_error",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_packet_batch_send_err.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"packet_batches_sent",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_packet_batches_sent.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"packet_batch_empty",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_packet_batches_none.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
|
|
|
(
|
|
|
|
"stream_read_errors",
|
2022-04-27 13:17:40 -07:00
|
|
|
self.total_stream_read_errors.swap(0, Ordering::Relaxed),
|
2022-04-25 10:12:11 -07:00
|
|
|
i64
|
|
|
|
),
|
2022-03-09 01:52:31 -08:00
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn handle_connection(
|
|
|
|
mut uni_streams: IncomingUniStreams,
|
|
|
|
packet_sender: Sender<PacketBatch>,
|
|
|
|
remote_addr: SocketAddr,
|
|
|
|
last_update: Arc<AtomicU64>,
|
|
|
|
connection_table: Arc<Mutex<ConnectionTable>>,
|
|
|
|
stream_exit: Arc<AtomicBool>,
|
|
|
|
stats: Arc<StreamStats>,
|
2022-05-07 07:45:03 -07:00
|
|
|
stake: u64,
|
2022-03-09 01:52:31 -08:00
|
|
|
) {
|
|
|
|
tokio::spawn(async move {
|
|
|
|
debug!(
|
|
|
|
"quic new connection {} streams: {} connections: {}",
|
|
|
|
remote_addr,
|
|
|
|
stats.total_streams.load(Ordering::Relaxed),
|
|
|
|
stats.total_connections.load(Ordering::Relaxed),
|
|
|
|
);
|
|
|
|
while !stream_exit.load(Ordering::Relaxed) {
|
|
|
|
match uni_streams.next().await {
|
|
|
|
Some(stream_result) => match stream_result {
|
|
|
|
Ok(mut stream) => {
|
|
|
|
stats.total_streams.fetch_add(1, Ordering::Relaxed);
|
|
|
|
stats.total_new_streams.fetch_add(1, Ordering::Relaxed);
|
|
|
|
let mut maybe_batch = None;
|
|
|
|
while !stream_exit.load(Ordering::Relaxed) {
|
|
|
|
if handle_chunk(
|
|
|
|
&stream.read_chunk(PACKET_DATA_SIZE, false).await,
|
|
|
|
&mut maybe_batch,
|
|
|
|
&remote_addr,
|
|
|
|
&packet_sender,
|
2022-04-25 10:12:11 -07:00
|
|
|
stats.clone(),
|
2022-05-07 07:45:03 -07:00
|
|
|
stake,
|
2022-03-09 01:52:31 -08:00
|
|
|
) {
|
|
|
|
last_update.store(timing::timestamp(), Ordering::Relaxed);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Err(e) => {
|
|
|
|
debug!("stream error: {:?}", e);
|
|
|
|
stats.total_streams.fetch_sub(1, Ordering::Relaxed);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
None => {
|
|
|
|
stats.total_streams.fetch_sub(1, Ordering::Relaxed);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
connection_table
|
|
|
|
.lock()
|
|
|
|
.unwrap()
|
|
|
|
.remove_connection(&remote_addr);
|
|
|
|
stats.total_connections.fetch_sub(1, Ordering::Relaxed);
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
2022-02-04 06:27:09 -08:00
|
|
|
pub fn spawn_server(
|
|
|
|
sock: UdpSocket,
|
|
|
|
keypair: &Keypair,
|
|
|
|
gossip_host: IpAddr,
|
|
|
|
packet_sender: Sender<PacketBatch>,
|
|
|
|
exit: Arc<AtomicBool>,
|
2022-03-09 01:52:31 -08:00
|
|
|
max_connections_per_ip: usize,
|
2022-04-16 01:54:22 -07:00
|
|
|
staked_nodes: Arc<RwLock<HashMap<IpAddr, u64>>>,
|
|
|
|
max_staked_connections: usize,
|
|
|
|
max_unstaked_connections: usize,
|
2022-02-04 06:27:09 -08:00
|
|
|
) -> Result<thread::JoinHandle<()>, QuicServerError> {
|
|
|
|
let (config, _cert) = configure_server(keypair, gossip_host)?;
|
|
|
|
|
|
|
|
let runtime = rt();
|
|
|
|
let (_, mut incoming) = {
|
|
|
|
let _guard = runtime.enter();
|
|
|
|
Endpoint::new(EndpointConfig::default(), Some(config), sock)
|
|
|
|
.map_err(|_e| QuicServerError::EndpointFailed)?
|
|
|
|
};
|
|
|
|
|
2022-03-09 01:52:31 -08:00
|
|
|
let stats = Arc::new(StreamStats::default());
|
2022-02-04 06:27:09 -08:00
|
|
|
let handle = thread::spawn(move || {
|
|
|
|
let handle = runtime.spawn(async move {
|
2022-03-09 01:52:31 -08:00
|
|
|
debug!("spawn quic server");
|
|
|
|
let mut last_datapoint = Instant::now();
|
|
|
|
let connection_table: Arc<Mutex<ConnectionTable>> =
|
|
|
|
Arc::new(Mutex::new(ConnectionTable::default()));
|
2022-04-16 01:54:22 -07:00
|
|
|
let staked_connection_table: Arc<Mutex<ConnectionTable>> =
|
|
|
|
Arc::new(Mutex::new(ConnectionTable::default()));
|
2022-02-04 06:27:09 -08:00
|
|
|
while !exit.load(Ordering::Relaxed) {
|
|
|
|
const WAIT_FOR_CONNECTION_TIMEOUT_MS: u64 = 1000;
|
|
|
|
let timeout_connection = timeout(
|
|
|
|
Duration::from_millis(WAIT_FOR_CONNECTION_TIMEOUT_MS),
|
|
|
|
incoming.next(),
|
|
|
|
)
|
|
|
|
.await;
|
|
|
|
|
2022-03-09 01:52:31 -08:00
|
|
|
if last_datapoint.elapsed().as_secs() >= 5 {
|
|
|
|
stats.report();
|
|
|
|
last_datapoint = Instant::now();
|
|
|
|
}
|
|
|
|
|
2022-02-04 06:27:09 -08:00
|
|
|
if let Ok(Some(connection)) = timeout_connection {
|
|
|
|
if let Ok(new_connection) = connection.await {
|
2022-03-09 01:52:31 -08:00
|
|
|
stats.total_connections.fetch_add(1, Ordering::Relaxed);
|
|
|
|
stats.total_new_connections.fetch_add(1, Ordering::Relaxed);
|
2022-02-04 06:27:09 -08:00
|
|
|
let quinn::NewConnection {
|
|
|
|
connection,
|
2022-03-09 01:52:31 -08:00
|
|
|
uni_streams,
|
2022-02-04 06:27:09 -08:00
|
|
|
..
|
|
|
|
} = new_connection;
|
|
|
|
|
|
|
|
let remote_addr = connection.remote_address();
|
2022-03-09 01:52:31 -08:00
|
|
|
|
2022-05-07 07:45:03 -07:00
|
|
|
let (mut connection_table_l, stake) = {
|
|
|
|
let staked_nodes = staked_nodes.read().unwrap();
|
|
|
|
if let Some(stake) = staked_nodes.get(&remote_addr.ip()) {
|
|
|
|
let stake = *stake;
|
|
|
|
drop(staked_nodes);
|
2022-04-16 01:54:22 -07:00
|
|
|
let mut connection_table_l =
|
|
|
|
staked_connection_table.lock().unwrap();
|
|
|
|
let num_pruned =
|
|
|
|
connection_table_l.prune_oldest(max_staked_connections);
|
|
|
|
stats.num_evictions.fetch_add(num_pruned, Ordering::Relaxed);
|
2022-05-07 07:45:03 -07:00
|
|
|
(connection_table_l, stake)
|
2022-04-16 01:54:22 -07:00
|
|
|
} else {
|
2022-05-07 07:45:03 -07:00
|
|
|
drop(staked_nodes);
|
2022-04-16 01:54:22 -07:00
|
|
|
let mut connection_table_l = connection_table.lock().unwrap();
|
|
|
|
let num_pruned =
|
|
|
|
connection_table_l.prune_oldest(max_unstaked_connections);
|
|
|
|
stats.num_evictions.fetch_add(num_pruned, Ordering::Relaxed);
|
2022-05-07 07:45:03 -07:00
|
|
|
(connection_table_l, 0)
|
|
|
|
}
|
|
|
|
};
|
2022-03-09 01:52:31 -08:00
|
|
|
|
|
|
|
if let Some((last_update, stream_exit)) = connection_table_l
|
|
|
|
.try_add_connection(
|
|
|
|
&remote_addr,
|
|
|
|
timing::timestamp(),
|
|
|
|
max_connections_per_ip,
|
|
|
|
)
|
|
|
|
{
|
|
|
|
drop(connection_table_l);
|
|
|
|
let packet_sender = packet_sender.clone();
|
|
|
|
let stats = stats.clone();
|
|
|
|
let connection_table1 = connection_table.clone();
|
|
|
|
handle_connection(
|
|
|
|
uni_streams,
|
|
|
|
packet_sender,
|
|
|
|
remote_addr,
|
|
|
|
last_update,
|
|
|
|
connection_table1,
|
|
|
|
stream_exit,
|
|
|
|
stats,
|
2022-05-07 07:45:03 -07:00
|
|
|
stake,
|
2022-03-09 01:52:31 -08:00
|
|
|
);
|
2022-04-19 13:05:02 -07:00
|
|
|
} else {
|
|
|
|
stats.connection_add_failed.fetch_add(1, Ordering::Relaxed);
|
2022-03-09 01:52:31 -08:00
|
|
|
}
|
2022-04-19 13:05:02 -07:00
|
|
|
} else {
|
|
|
|
stats
|
|
|
|
.connection_setup_timeout
|
|
|
|
.fetch_add(1, Ordering::Relaxed);
|
2022-02-04 06:27:09 -08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
});
|
|
|
|
if let Err(e) = runtime.block_on(handle) {
|
|
|
|
warn!("error from runtime.block_on: {:?}", e);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
Ok(handle)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[cfg(test)]
|
|
|
|
mod test {
|
2022-02-18 21:32:29 -08:00
|
|
|
use {
|
|
|
|
super::*,
|
|
|
|
crossbeam_channel::unbounded,
|
|
|
|
quinn::{ClientConfig, NewConnection},
|
2022-04-15 12:09:24 -07:00
|
|
|
solana_sdk::quic::QUIC_KEEP_ALIVE_MS,
|
2022-02-18 21:32:29 -08:00
|
|
|
std::{net::SocketAddr, time::Instant},
|
|
|
|
};
|
2022-02-04 06:27:09 -08:00
|
|
|
|
|
|
|
struct SkipServerVerification;
|
|
|
|
|
|
|
|
impl SkipServerVerification {
|
|
|
|
fn new() -> Arc<Self> {
|
|
|
|
Arc::new(Self)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl rustls::client::ServerCertVerifier for SkipServerVerification {
|
|
|
|
fn verify_server_cert(
|
|
|
|
&self,
|
|
|
|
_end_entity: &rustls::Certificate,
|
|
|
|
_intermediates: &[rustls::Certificate],
|
|
|
|
_server_name: &rustls::ServerName,
|
|
|
|
_scts: &mut dyn Iterator<Item = &[u8]>,
|
|
|
|
_ocsp_response: &[u8],
|
|
|
|
_now: std::time::SystemTime,
|
|
|
|
) -> Result<rustls::client::ServerCertVerified, rustls::Error> {
|
|
|
|
Ok(rustls::client::ServerCertVerified::assertion())
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn get_client_config() -> quinn::ClientConfig {
|
|
|
|
let crypto = rustls::ClientConfig::builder()
|
|
|
|
.with_safe_defaults()
|
|
|
|
.with_custom_certificate_verifier(SkipServerVerification::new())
|
|
|
|
.with_no_client_auth();
|
2022-04-15 12:09:24 -07:00
|
|
|
let mut config = ClientConfig::new(Arc::new(crypto));
|
|
|
|
|
|
|
|
let transport_config = Arc::get_mut(&mut config.transport).unwrap();
|
|
|
|
let timeout = IdleTimeout::from(VarInt::from_u32(QUIC_MAX_TIMEOUT_MS));
|
|
|
|
transport_config.max_idle_timeout(Some(timeout));
|
|
|
|
transport_config.keep_alive_interval(Some(Duration::from_millis(QUIC_KEEP_ALIVE_MS)));
|
|
|
|
|
|
|
|
config
|
2022-02-04 06:27:09 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_quic_server_exit() {
|
2022-04-16 01:54:22 -07:00
|
|
|
let (t, exit, _receiver, _server_address) = setup_quic_server();
|
|
|
|
|
2022-02-04 06:27:09 -08:00
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
t.join().unwrap();
|
|
|
|
}
|
|
|
|
|
|
|
|
fn make_client_endpoint(runtime: &Runtime, addr: &SocketAddr) -> NewConnection {
|
|
|
|
let client_socket = UdpSocket::bind("127.0.0.1:0").unwrap();
|
|
|
|
let mut endpoint = quinn::Endpoint::new(EndpointConfig::default(), None, client_socket)
|
|
|
|
.unwrap()
|
|
|
|
.0;
|
|
|
|
endpoint.set_default_client_config(get_client_config());
|
|
|
|
runtime
|
|
|
|
.block_on(endpoint.connect(*addr, "localhost").unwrap())
|
|
|
|
.unwrap()
|
|
|
|
}
|
|
|
|
|
2022-04-15 12:09:24 -07:00
|
|
|
#[test]
|
|
|
|
fn test_quic_timeout() {
|
|
|
|
solana_logger::setup();
|
2022-04-16 05:41:33 -07:00
|
|
|
let (t, exit, receiver, server_address) = setup_quic_server();
|
2022-04-15 12:09:24 -07:00
|
|
|
|
|
|
|
let runtime = rt();
|
|
|
|
let _rt_guard = runtime.enter();
|
|
|
|
let conn1 = make_client_endpoint(&runtime, &server_address);
|
|
|
|
let total = 30;
|
|
|
|
let handle = runtime.spawn(async move {
|
|
|
|
for i in 0..total {
|
|
|
|
let mut s1 = conn1.connection.open_uni().await.unwrap();
|
|
|
|
s1.write_all(&[0u8]).await.unwrap();
|
|
|
|
s1.finish().await.unwrap();
|
|
|
|
info!("done {}", i);
|
|
|
|
std::thread::sleep(Duration::from_millis(1000));
|
|
|
|
}
|
|
|
|
});
|
|
|
|
let mut received = 0;
|
|
|
|
loop {
|
|
|
|
if let Ok(_x) = receiver.recv_timeout(Duration::from_millis(500)) {
|
|
|
|
received += 1;
|
|
|
|
info!("got {}", received);
|
|
|
|
}
|
|
|
|
if received >= total {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
runtime.block_on(handle).unwrap();
|
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
t.join().unwrap();
|
|
|
|
}
|
|
|
|
|
2022-03-09 01:52:31 -08:00
|
|
|
#[test]
|
|
|
|
fn test_quic_server_block_multiple_connections() {
|
|
|
|
solana_logger::setup();
|
2022-04-16 01:54:22 -07:00
|
|
|
let (t, exit, _receiver, server_address) = setup_quic_server();
|
2022-03-09 01:52:31 -08:00
|
|
|
|
|
|
|
let runtime = rt();
|
|
|
|
let _rt_guard = runtime.enter();
|
|
|
|
let conn1 = make_client_endpoint(&runtime, &server_address);
|
|
|
|
let conn2 = make_client_endpoint(&runtime, &server_address);
|
|
|
|
let handle = runtime.spawn(async move {
|
|
|
|
let mut s1 = conn1.connection.open_uni().await.unwrap();
|
|
|
|
let mut s2 = conn2.connection.open_uni().await.unwrap();
|
|
|
|
s1.write_all(&[0u8]).await.unwrap();
|
|
|
|
s1.finish().await.unwrap();
|
2022-04-27 13:50:08 -07:00
|
|
|
// Send enough data to create more than 1 chunks.
|
|
|
|
// The first will try to open the connection (which should fail).
|
|
|
|
// The following chunks will enable the detection of connection failure.
|
|
|
|
let data = vec![1u8; PACKET_DATA_SIZE * 2];
|
|
|
|
s2.write_all(&data)
|
|
|
|
.await
|
|
|
|
.expect_err("shouldn't be able to open 2 connections");
|
|
|
|
s2.finish()
|
2022-03-09 01:52:31 -08:00
|
|
|
.await
|
|
|
|
.expect_err("shouldn't be able to open 2 connections");
|
|
|
|
});
|
|
|
|
runtime.block_on(handle).unwrap();
|
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
t.join().unwrap();
|
|
|
|
}
|
|
|
|
|
2022-02-04 06:27:09 -08:00
|
|
|
#[test]
|
|
|
|
fn test_quic_server_multiple_streams() {
|
|
|
|
solana_logger::setup();
|
|
|
|
let s = UdpSocket::bind("127.0.0.1:0").unwrap();
|
|
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
|
|
let (sender, receiver) = unbounded();
|
|
|
|
let keypair = Keypair::new();
|
|
|
|
let ip = "127.0.0.1".parse().unwrap();
|
|
|
|
let server_address = s.local_addr().unwrap();
|
2022-04-16 01:54:22 -07:00
|
|
|
let staked_nodes = Arc::new(RwLock::new(HashMap::new()));
|
|
|
|
let t = spawn_server(
|
|
|
|
s,
|
|
|
|
&keypair,
|
|
|
|
ip,
|
|
|
|
sender,
|
|
|
|
exit.clone(),
|
|
|
|
2,
|
|
|
|
staked_nodes,
|
|
|
|
10,
|
|
|
|
10,
|
|
|
|
)
|
|
|
|
.unwrap();
|
2022-02-04 06:27:09 -08:00
|
|
|
|
|
|
|
let runtime = rt();
|
|
|
|
let _rt_guard = runtime.enter();
|
|
|
|
let conn1 = Arc::new(make_client_endpoint(&runtime, &server_address));
|
|
|
|
let conn2 = Arc::new(make_client_endpoint(&runtime, &server_address));
|
|
|
|
let mut num_expected_packets = 0;
|
|
|
|
for i in 0..10 {
|
|
|
|
info!("sending: {}", i);
|
|
|
|
let c1 = conn1.clone();
|
|
|
|
let c2 = conn2.clone();
|
|
|
|
let handle = runtime.spawn(async move {
|
|
|
|
let mut s1 = c1.connection.open_uni().await.unwrap();
|
|
|
|
let mut s2 = c2.connection.open_uni().await.unwrap();
|
|
|
|
s1.write_all(&[0u8]).await.unwrap();
|
|
|
|
s1.finish().await.unwrap();
|
|
|
|
s2.write_all(&[0u8]).await.unwrap();
|
|
|
|
s2.finish().await.unwrap();
|
|
|
|
});
|
|
|
|
runtime.block_on(handle).unwrap();
|
|
|
|
num_expected_packets += 2;
|
|
|
|
thread::sleep(Duration::from_millis(200));
|
|
|
|
}
|
|
|
|
let mut all_packets = vec![];
|
|
|
|
let now = Instant::now();
|
|
|
|
let mut total_packets = 0;
|
|
|
|
while now.elapsed().as_secs() < 10 {
|
|
|
|
if let Ok(packets) = receiver.recv_timeout(Duration::from_secs(1)) {
|
|
|
|
total_packets += packets.packets.len();
|
|
|
|
all_packets.push(packets)
|
|
|
|
}
|
|
|
|
if total_packets == num_expected_packets {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for batch in all_packets {
|
|
|
|
for p in &batch.packets {
|
|
|
|
assert_eq!(p.meta.size, 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
assert_eq!(total_packets, num_expected_packets);
|
|
|
|
|
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
t.join().unwrap();
|
|
|
|
}
|
|
|
|
|
2022-04-16 01:54:22 -07:00
|
|
|
fn setup_quic_server() -> (
|
|
|
|
std::thread::JoinHandle<()>,
|
|
|
|
Arc<AtomicBool>,
|
|
|
|
crossbeam_channel::Receiver<PacketBatch>,
|
|
|
|
SocketAddr,
|
|
|
|
) {
|
2022-02-04 06:27:09 -08:00
|
|
|
let s = UdpSocket::bind("127.0.0.1:0").unwrap();
|
|
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
|
|
let (sender, receiver) = unbounded();
|
|
|
|
let keypair = Keypair::new();
|
|
|
|
let ip = "127.0.0.1".parse().unwrap();
|
|
|
|
let server_address = s.local_addr().unwrap();
|
2022-04-16 01:54:22 -07:00
|
|
|
let staked_nodes = Arc::new(RwLock::new(HashMap::new()));
|
|
|
|
let t = spawn_server(
|
|
|
|
s,
|
|
|
|
&keypair,
|
|
|
|
ip,
|
|
|
|
sender,
|
|
|
|
exit.clone(),
|
|
|
|
1,
|
|
|
|
staked_nodes,
|
|
|
|
MAX_STAKED_CONNECTIONS,
|
|
|
|
MAX_UNSTAKED_CONNECTIONS,
|
|
|
|
)
|
|
|
|
.unwrap();
|
|
|
|
(t, exit, receiver, server_address)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_quic_server_multiple_writes() {
|
|
|
|
solana_logger::setup();
|
|
|
|
let (t, exit, receiver, server_address) = setup_quic_server();
|
2022-02-04 06:27:09 -08:00
|
|
|
|
|
|
|
let runtime = rt();
|
|
|
|
let _rt_guard = runtime.enter();
|
|
|
|
let conn1 = Arc::new(make_client_endpoint(&runtime, &server_address));
|
|
|
|
|
|
|
|
// Send a full size packet with single byte writes.
|
|
|
|
let num_bytes = PACKET_DATA_SIZE;
|
|
|
|
let num_expected_packets = 1;
|
|
|
|
let handle = runtime.spawn(async move {
|
|
|
|
let mut s1 = conn1.connection.open_uni().await.unwrap();
|
|
|
|
for _ in 0..num_bytes {
|
|
|
|
s1.write_all(&[0u8]).await.unwrap();
|
|
|
|
}
|
|
|
|
s1.finish().await.unwrap();
|
|
|
|
});
|
|
|
|
runtime.block_on(handle).unwrap();
|
|
|
|
|
|
|
|
let mut all_packets = vec![];
|
|
|
|
let now = Instant::now();
|
|
|
|
let mut total_packets = 0;
|
|
|
|
while now.elapsed().as_secs() < 5 {
|
|
|
|
if let Ok(packets) = receiver.recv_timeout(Duration::from_secs(1)) {
|
|
|
|
total_packets += packets.packets.len();
|
|
|
|
all_packets.push(packets)
|
|
|
|
}
|
|
|
|
if total_packets > num_expected_packets {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for batch in all_packets {
|
|
|
|
for p in &batch.packets {
|
|
|
|
assert_eq!(p.meta.size, num_bytes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
assert_eq!(total_packets, num_expected_packets);
|
|
|
|
|
|
|
|
exit.store(true, Ordering::Relaxed);
|
|
|
|
t.join().unwrap();
|
|
|
|
}
|
2022-03-09 01:52:31 -08:00
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_prune_table() {
|
|
|
|
use std::net::Ipv4Addr;
|
|
|
|
solana_logger::setup();
|
|
|
|
let mut table = ConnectionTable::default();
|
2022-05-21 15:06:05 -07:00
|
|
|
let mut num_entries = 5;
|
2022-03-09 01:52:31 -08:00
|
|
|
let max_connections_per_ip = 10;
|
|
|
|
let sockets: Vec<_> = (0..num_entries)
|
|
|
|
.into_iter()
|
|
|
|
.map(|i| SocketAddr::new(IpAddr::V4(Ipv4Addr::new(i, 0, 0, 0)), 0))
|
|
|
|
.collect();
|
|
|
|
for (i, socket) in sockets.iter().enumerate() {
|
|
|
|
table
|
|
|
|
.try_add_connection(socket, i as u64, max_connections_per_ip)
|
|
|
|
.unwrap();
|
|
|
|
}
|
2022-05-21 15:06:05 -07:00
|
|
|
num_entries += 1;
|
|
|
|
table
|
|
|
|
.try_add_connection(&sockets[0], 5, max_connections_per_ip)
|
|
|
|
.unwrap();
|
|
|
|
|
2022-03-09 01:52:31 -08:00
|
|
|
let new_size = 3;
|
|
|
|
let pruned = table.prune_oldest(new_size);
|
|
|
|
assert_eq!(pruned, num_entries as usize - new_size);
|
|
|
|
for v in table.table.values() {
|
|
|
|
for x in v {
|
2022-05-21 15:06:05 -07:00
|
|
|
assert!((x.last_update() + 1) >= (num_entries as u64 - new_size as u64));
|
2022-03-09 01:52:31 -08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
assert_eq!(table.table.len(), new_size);
|
|
|
|
assert_eq!(table.total_size, new_size);
|
|
|
|
for socket in sockets.iter().take(num_entries as usize).skip(new_size - 1) {
|
|
|
|
table.remove_connection(socket);
|
|
|
|
}
|
|
|
|
assert_eq!(table.total_size, 0);
|
|
|
|
}
|
2022-02-04 06:27:09 -08:00
|
|
|
}
|