jacobh2
15056dc7df
- src/sync/: pull with UNION ALL paging and cursor_ahead; push processing of SPEC §14.4.4 steps 1 to 12 in one BEGIN IMMEDIATE with a savepoint per mutation, LWW with delete-wins, tombstones, clock_skew, replay from sync_mutations, sync_batch for more than 3 notifiable changes; 90-day pruning. - src/audit/: SqlAuditWriter and the §14.4.7 diff (now the default in AppState::new). - src/push/: bounded PushHub (100, drop oldest), FCM HTTP v1 client with service-account JWT (RS256, jsonwebtoken on aws-lc-rs) and token cache, sender with 1/5/25 s retries and token clearing; disabled without credentials. - src/tasks/: start installs push and spawns the 06:00 generation (and at start) and 04:00 pruning loops on the injectable clock. - cli: rotate-epoch; serve uses into_make_service_with_connect_info; stale doc comments updated; /i/ empty code gets the HTML 404. - tests: sync_api, push_fcm (local stub of Google's endpoints), scheduler_daily; skeleton routes test now asserts no route is 501. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TQd3pEP9UeN2uifbHknQ7B
76 lines
1.9 KiB
Rust
76 lines
1.9 KiB
Rust
//! The bounded push queue (SPEC §14.6): capacity 100, the oldest message dropped with a warning when full.
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//! [`PushQueue::enqueue`] never blocks; the sender task waits on [`PushHub::next`].
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use std::collections::VecDeque;
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use std::sync::{Mutex, MutexGuard};
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use tokio::sync::Notify;
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use super::{PushMessage, PushQueue};
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/// Queue capacity (SPEC §14.6).
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pub const QUEUE_CAPACITY: usize = 100;
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/// The queue between the request handlers (and the scheduler) and the sender task.
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#[derive(Debug, Default)]
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pub struct PushHub {
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queue: Mutex<VecDeque<PushMessage>>,
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notify: Notify,
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}
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impl PushHub {
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pub fn new() -> Self {
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Self::default()
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}
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fn lock(&self) -> MutexGuard<'_, VecDeque<PushMessage>> {
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match self.queue.lock() {
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Ok(guard) => guard,
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Err(poisoned) => poisoned.into_inner(),
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}
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}
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/// Messages waiting.
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pub fn len(&self) -> usize {
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self.lock().len()
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}
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pub fn is_empty(&self) -> bool {
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self.len() == 0
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}
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/// The oldest waiting message, if any.
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pub fn pop(&self) -> Option<PushMessage> {
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self.lock().pop_front()
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}
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/// Waits for the next message.
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pub async fn next(&self) -> PushMessage {
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loop {
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if let Some(message) = self.pop() {
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return message;
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}
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self.notify.notified().await;
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}
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}
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}
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impl PushQueue for PushHub {
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fn enqueue(&self, message: PushMessage) {
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{
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let mut queue = self.lock();
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if queue.len() >= QUEUE_CAPACITY
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&& let Some(dropped) = queue.pop_front()
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{
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tracing::warn!(
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push_type = dropped.push_type.as_str(),
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capacity = QUEUE_CAPACITY,
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"push queue full: oldest message dropped"
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);
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}
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queue.push_back(message);
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}
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self.notify.notify_one();
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}
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}
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