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ME Writer Pick

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This commit is contained in:
Alexey
2026-03-08 03:05:47 +03:00
parent 6b3697ee87
commit 9401c46727
9 changed files with 300 additions and 61 deletions
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31
src/transport/middle_proxy/pool.rs
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@@ -7,7 +7,9 @@ use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use tokio::sync::{Mutex, Notify, RwLock, mpsc};
use tokio_util::sync::CancellationToken;
use crate::config::{MeBindStaleMode, MeFloorMode, MeRouteNoWriterMode, MeSocksKdfPolicy};
use crate::config::{
MeBindStaleMode, MeFloorMode, MeRouteNoWriterMode, MeSocksKdfPolicy, MeWriterPickMode,
};
use crate::crypto::SecureRandom;
use crate::network::IpFamily;
use crate::network::probe::NetworkDecision;
@@ -39,6 +41,7 @@ pub struct MeWriter {
pub tx: mpsc::Sender<WriterCommand>,
pub cancel: CancellationToken,
pub degraded: Arc<AtomicBool>,
pub rtt_ema_ms_x10: Arc<AtomicU32>,
pub draining: Arc<AtomicBool>,
pub draining_started_at_epoch_secs: Arc<AtomicU64>,
pub drain_deadline_epoch_secs: Arc<AtomicU64>,
@@ -177,6 +180,8 @@ pub struct MePool {
pub(super) me_bind_stale_ttl_secs: AtomicU64,
pub(super) secret_atomic_snapshot: AtomicBool,
pub(super) me_deterministic_writer_sort: AtomicBool,
pub(super) me_writer_pick_mode: AtomicU8,
pub(super) me_writer_pick_sample_size: AtomicU8,
pub(super) me_socks_kdf_policy: AtomicU8,
pub(super) me_route_no_writer_mode: AtomicU8,
pub(super) me_route_no_writer_wait: Duration,
@@ -274,6 +279,8 @@ impl MePool {
me_bind_stale_ttl_secs: u64,
me_secret_atomic_snapshot: bool,
me_deterministic_writer_sort: bool,
me_writer_pick_mode: MeWriterPickMode,
me_writer_pick_sample_size: u8,
me_socks_kdf_policy: MeSocksKdfPolicy,
me_writer_cmd_channel_capacity: usize,
me_route_channel_capacity: usize,
@@ -450,6 +457,8 @@ impl MePool {
me_bind_stale_ttl_secs: AtomicU64::new(me_bind_stale_ttl_secs),
secret_atomic_snapshot: AtomicBool::new(me_secret_atomic_snapshot),
me_deterministic_writer_sort: AtomicBool::new(me_deterministic_writer_sort),
me_writer_pick_mode: AtomicU8::new(me_writer_pick_mode.as_u8()),
me_writer_pick_sample_size: AtomicU8::new(me_writer_pick_sample_size.clamp(2, 4)),
me_socks_kdf_policy: AtomicU8::new(me_socks_kdf_policy.as_u8()),
me_route_no_writer_mode: AtomicU8::new(me_route_no_writer_mode.as_u8()),
me_route_no_writer_wait: Duration::from_millis(me_route_no_writer_wait_ms),
@@ -489,6 +498,8 @@ impl MePool {
bind_stale_ttl_secs: u64,
secret_atomic_snapshot: bool,
deterministic_writer_sort: bool,
writer_pick_mode: MeWriterPickMode,
writer_pick_sample_size: u8,
single_endpoint_shadow_writers: u8,
single_endpoint_outage_mode_enabled: bool,
single_endpoint_outage_disable_quarantine: bool,
@@ -535,6 +546,14 @@ impl MePool {
.store(secret_atomic_snapshot, Ordering::Relaxed);
self.me_deterministic_writer_sort
.store(deterministic_writer_sort, Ordering::Relaxed);
let previous_writer_pick_mode = self.writer_pick_mode();
self.me_writer_pick_mode
.store(writer_pick_mode.as_u8(), Ordering::Relaxed);
self.me_writer_pick_sample_size
.store(writer_pick_sample_size.clamp(2, 4), Ordering::Relaxed);
if previous_writer_pick_mode != writer_pick_mode {
self.stats.increment_me_writer_pick_mode_switch_total();
}
self.me_single_endpoint_shadow_writers
.store(single_endpoint_shadow_writers, Ordering::Relaxed);
self.me_single_endpoint_outage_mode_enabled
@@ -692,6 +711,16 @@ impl MePool {
MeBindStaleMode::from_u8(self.me_bind_stale_mode.load(Ordering::Relaxed))
}
pub(super) fn writer_pick_mode(&self) -> MeWriterPickMode {
MeWriterPickMode::from_u8(self.me_writer_pick_mode.load(Ordering::Relaxed))
}
pub(super) fn writer_pick_sample_size(&self) -> usize {
self.me_writer_pick_sample_size
.load(Ordering::Relaxed)
.clamp(2, 4) as usize
}
pub(super) fn required_writers_for_dc(&self, endpoint_count: usize) -> usize {
if endpoint_count == 0 {
return 0;