mirror of https://github.com/telemt/telemt.git
238 lines
8.7 KiB
Rust
238 lines
8.7 KiB
Rust
use std::collections::HashMap;
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use std::net::{IpAddr, Ipv4Addr, SocketAddr};
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use std::sync::Arc;
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use std::sync::atomic::{AtomicBool, AtomicU8, AtomicU32, AtomicU64, Ordering};
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use std::time::{Duration, Instant};
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use tokio::sync::mpsc;
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use tokio_util::sync::CancellationToken;
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use super::codec::WriterCommand;
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use super::health::health_drain_close_budget;
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use super::pool::{MePool, MeWriter, WriterContour};
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use super::registry::ConnMeta;
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use super::me_health_monitor;
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use crate::config::{GeneralConfig, MeRouteNoWriterMode, MeSocksKdfPolicy, MeWriterPickMode};
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use crate::crypto::SecureRandom;
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use crate::network::probe::NetworkDecision;
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use crate::stats::Stats;
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async fn make_pool(
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me_pool_drain_threshold: u64,
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me_health_interval_ms_unhealthy: u64,
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me_health_interval_ms_healthy: u64,
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) -> (Arc<MePool>, Arc<SecureRandom>) {
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let general = GeneralConfig {
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me_pool_drain_threshold,
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me_health_interval_ms_unhealthy,
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me_health_interval_ms_healthy,
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..GeneralConfig::default()
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};
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let rng = Arc::new(SecureRandom::new());
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let pool = MePool::new(
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None,
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vec![1u8; 32],
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None,
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false,
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None,
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Vec::new(),
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1,
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None,
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12,
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1200,
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HashMap::new(),
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HashMap::new(),
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None,
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NetworkDecision::default(),
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None,
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rng.clone(),
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Arc::new(Stats::default()),
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general.me_keepalive_enabled,
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general.me_keepalive_interval_secs,
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general.me_keepalive_jitter_secs,
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general.me_keepalive_payload_random,
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general.rpc_proxy_req_every,
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general.me_warmup_stagger_enabled,
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general.me_warmup_step_delay_ms,
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general.me_warmup_step_jitter_ms,
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general.me_reconnect_max_concurrent_per_dc,
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general.me_reconnect_backoff_base_ms,
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general.me_reconnect_backoff_cap_ms,
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general.me_reconnect_fast_retry_count,
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general.me_single_endpoint_shadow_writers,
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general.me_single_endpoint_outage_mode_enabled,
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general.me_single_endpoint_outage_disable_quarantine,
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general.me_single_endpoint_outage_backoff_min_ms,
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general.me_single_endpoint_outage_backoff_max_ms,
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general.me_single_endpoint_shadow_rotate_every_secs,
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general.me_floor_mode,
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general.me_adaptive_floor_idle_secs,
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general.me_adaptive_floor_min_writers_single_endpoint,
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general.me_adaptive_floor_min_writers_multi_endpoint,
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general.me_adaptive_floor_recover_grace_secs,
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general.me_adaptive_floor_writers_per_core_total,
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general.me_adaptive_floor_cpu_cores_override,
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general.me_adaptive_floor_max_extra_writers_single_per_core,
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general.me_adaptive_floor_max_extra_writers_multi_per_core,
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general.me_adaptive_floor_max_active_writers_per_core,
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general.me_adaptive_floor_max_warm_writers_per_core,
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general.me_adaptive_floor_max_active_writers_global,
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general.me_adaptive_floor_max_warm_writers_global,
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general.hardswap,
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general.me_pool_drain_ttl_secs,
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general.me_instadrain,
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general.me_pool_drain_threshold,
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general.me_pool_drain_soft_evict_enabled,
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general.me_pool_drain_soft_evict_grace_secs,
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general.me_pool_drain_soft_evict_per_writer,
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general.me_pool_drain_soft_evict_budget_per_core,
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general.me_pool_drain_soft_evict_cooldown_ms,
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general.effective_me_pool_force_close_secs(),
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general.me_pool_min_fresh_ratio,
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general.me_hardswap_warmup_delay_min_ms,
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general.me_hardswap_warmup_delay_max_ms,
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general.me_hardswap_warmup_extra_passes,
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general.me_hardswap_warmup_pass_backoff_base_ms,
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general.me_bind_stale_mode,
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general.me_bind_stale_ttl_secs,
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general.me_secret_atomic_snapshot,
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general.me_deterministic_writer_sort,
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MeWriterPickMode::default(),
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general.me_writer_pick_sample_size,
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MeSocksKdfPolicy::default(),
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general.me_writer_cmd_channel_capacity,
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general.me_route_channel_capacity,
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general.me_route_backpressure_base_timeout_ms,
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general.me_route_backpressure_high_timeout_ms,
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general.me_route_backpressure_high_watermark_pct,
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general.me_reader_route_data_wait_ms,
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general.me_health_interval_ms_unhealthy,
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general.me_health_interval_ms_healthy,
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general.me_warn_rate_limit_ms,
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MeRouteNoWriterMode::default(),
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general.me_route_no_writer_wait_ms,
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general.me_route_hybrid_max_wait_ms,
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general.me_route_blocking_send_timeout_ms,
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general.me_route_inline_recovery_attempts,
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general.me_route_inline_recovery_wait_ms,
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);
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(pool, rng)
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}
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async fn insert_draining_writer(
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pool: &Arc<MePool>,
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writer_id: u64,
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drain_started_at_epoch_secs: u64,
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bound_clients: usize,
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drain_deadline_epoch_secs: u64,
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) {
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let (tx, _writer_rx) = mpsc::channel::<WriterCommand>(8);
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let writer = MeWriter {
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id: writer_id,
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addr: SocketAddr::new(IpAddr::V4(Ipv4Addr::LOCALHOST), 5500 + writer_id as u16),
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source_ip: IpAddr::V4(Ipv4Addr::LOCALHOST),
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writer_dc: 2,
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generation: 1,
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contour: Arc::new(AtomicU8::new(WriterContour::Draining.as_u8())),
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created_at: Instant::now() - Duration::from_secs(writer_id),
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tx: tx.clone(),
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cancel: CancellationToken::new(),
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degraded: Arc::new(AtomicBool::new(false)),
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rtt_ema_ms_x10: Arc::new(AtomicU32::new(0)),
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draining: Arc::new(AtomicBool::new(true)),
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draining_started_at_epoch_secs: Arc::new(AtomicU64::new(drain_started_at_epoch_secs)),
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drain_deadline_epoch_secs: Arc::new(AtomicU64::new(drain_deadline_epoch_secs)),
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allow_drain_fallback: Arc::new(AtomicBool::new(false)),
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};
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let mut writers = (*pool.writers.load_full()).clone();
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writers.push(writer);
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pool.writers.store(Arc::new(writers));
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pool.registry.register_writer(writer_id, tx).await;
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pool.conn_count.fetch_add(1, Ordering::Relaxed);
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for idx in 0..bound_clients {
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let (conn_id, _rx) = pool.registry.register().await;
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assert!(
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pool.registry
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.bind_writer(
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conn_id,
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writer_id,
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ConnMeta {
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target_dc: 2,
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client_addr: SocketAddr::new(
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IpAddr::V4(Ipv4Addr::LOCALHOST),
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7200 + idx as u16,
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),
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our_addr: SocketAddr::new(IpAddr::V4(Ipv4Addr::LOCALHOST), 443),
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proto_flags: 0,
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},
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)
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.await
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);
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}
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}
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#[tokio::test]
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async fn me_health_monitor_drains_expired_backlog_over_multiple_cycles() {
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let (pool, rng) = make_pool(128, 1, 1).await;
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let now_epoch_secs = MePool::now_epoch_secs();
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let writer_total = health_drain_close_budget().saturating_mul(2).saturating_add(9);
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for writer_id in 1..=writer_total as u64 {
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insert_draining_writer(
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&pool,
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writer_id,
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now_epoch_secs.saturating_sub(120),
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1,
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now_epoch_secs.saturating_sub(1),
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)
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.await;
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}
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let monitor = tokio::spawn(me_health_monitor(pool.clone(), rng, 0));
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tokio::time::sleep(Duration::from_millis(60)).await;
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monitor.abort();
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let _ = monitor.await;
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assert!(pool.writers.load_full().is_empty());
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}
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#[tokio::test]
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async fn me_health_monitor_cleans_empty_draining_writers_without_force_close() {
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let (pool, rng) = make_pool(128, 1, 1).await;
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let now_epoch_secs = MePool::now_epoch_secs();
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for writer_id in 1..=24u64 {
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insert_draining_writer(&pool, writer_id, now_epoch_secs.saturating_sub(60), 0, 0).await;
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}
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let monitor = tokio::spawn(me_health_monitor(pool.clone(), rng, 0));
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tokio::time::sleep(Duration::from_millis(30)).await;
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monitor.abort();
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let _ = monitor.await;
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assert!(pool.writers.load_full().is_empty());
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}
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#[tokio::test]
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async fn me_health_monitor_converges_retry_like_threshold_backlog_to_empty() {
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let threshold = 4u64;
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let (pool, rng) = make_pool(threshold, 1, 1).await;
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let now_epoch_secs = MePool::now_epoch_secs();
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let writer_total = threshold as usize + health_drain_close_budget().saturating_add(11);
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for writer_id in 1..=writer_total as u64 {
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insert_draining_writer(
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&pool,
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writer_id,
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now_epoch_secs.saturating_sub(300).saturating_add(writer_id),
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1,
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0,
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)
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.await;
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}
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let monitor = tokio::spawn(me_health_monitor(pool.clone(), rng, 0));
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tokio::time::sleep(Duration::from_millis(60)).await;
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monitor.abort();
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let _ = monitor.await;
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assert!(pool.writers.load_full().is_empty());
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}
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