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@@ -0,0 +1,63 @@
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# Implementation Spec: New Features for mytheclipse
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## Status: COMPLETE
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## Summary
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Added 4 new crates and enhancements to existing crates to expand mytheclipse's
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abstraction layer coverage. All code compiles with `cargo build --workspace --all-features`,
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all tests pass, and clippy is clean.
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## New Crates
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1. **mytheclipse-queue** (`crates/mytheclipse-queue/`)
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- `Queue` trait: enqueue, dequeue, ack, nack, dlq_move, len
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- `Job` / `JobId` types with payload + metadata
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- `WorkerPool` with configurable concurrency, retry/backoff, dead-letter queue
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- `JobHandler` trait for processing jobs
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- Backend: in-memory (default), Redis (feature `redis`), NATS (feature `nats`), PostgreSQL (feature `postgres`)
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2. **mytheclipse-tracing** (`crates/mytheclipse-tracing/`)
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- `TracingLayer` with env-filter support and subscriber builder
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- `OtelLayer` for OTLP/Jaeger export (feature `otel`, `jaeger`, `full`)
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- Features: `env` (default), `otel`, `jaeger`, `full`
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3. **mytheclipse-http** (`crates/mytheclipse-http/`)
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- `HttpClient` wrapping reqwest with timeout + tracing instrumentation
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- `HttpServer` (axum) with health endpoint + graceful shutdown
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- Features: `client` (default), `server-axum`, `server-hyper`
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4. **mytheclipse-cli** (`crates/mytheclipse-cli/`)
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- `CliApp` / `CliBuilder` with clap derive
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- Subcommands: `serve`, `worker`, `migrate`, `health`, `version`
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- Feature: `clap-derive` (default)
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## Enhancements to Existing Crates
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### mytheclipse (core)
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- `pool.rs`: `SemaphorePool<T>` with `Pool` trait, `Pooled<T>` RAII permit
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- `health.rs`: `HealthRegistry`, `HealthCheck` trait, `HealthStatus` enum
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- `leader.rs`: `LeaderElection` trait, `InProcLeaderElection` impl
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- Features: gated under `traffic` (pool) and `lifecycle` (health, leader)
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### mytheclipse-cache
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- `auto_refresh.rs`: `AutoRefreshCache` — background refresh on cache miss
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- `metrics.rs`: `CacheMetrics` + `CacheSnapshot` with hit/miss/eviction tracking
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- Added `tokio` optional dep (used by cache-aside + auto-refresh)
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### mytheclipse-config
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- `schema.rs`: `ConfigSchema` + `PropertySchema` for JSON Schema generation
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- Feature `schema` gated
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### mytheclipse-storage
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- `multipart.rs`: `MultipartUploadDriver` trait + `MultipartUpload` handler
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- Feature `multipart` (default) gated
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### mytheclipse-crypto
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- `paseto.rs`: `PasetoSigner` + `PasetoClaims` for PASETO v4.local tokens
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- Features `paseto` and `rate-limit` added
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## Verification
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- `cargo build --workspace --all-features` ✓
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- `cargo test --workspace --all-features` ✓ (all pass, 1 ignored doctest)
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- `cargo clippy --workspace --all-features` ✓ (no warnings)
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@@ -1,3 +1,38 @@
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# [1.4.0](https://github.com/asepharyana/mytheclipse/compare/v1.3.5...v1.4.0) (2026-08-29)
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### Features
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* add 4 new crates (queue, tracing, http, cli) + enhancements to existing crates ([8106f89](https://github.com/asepharyana/mytheclipse/commit/8106f8943ebe83f7348b9fde3fbd2e347018604e))
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## [1.3.5](https://github.com/asepharyana/mytheclipse/compare/v1.3.4...v1.3.5) (2026-08-28)
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### Bug Fixes
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* **cache:** honor sub-second Redis TTL via PSETEX + document clear() safety ([2c9367a](https://github.com/asepharyana/mytheclipse/commit/2c9367a83c2dd01b1e197ec33215a6c7d3755fa2))
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## [1.3.4](https://github.com/asepharyana/mytheclipse/compare/v1.3.3...v1.3.4) (2026-08-28)
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### Bug Fixes
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* **cache,storage:** harden cache bounds + atomic disk writes ([b6f138b](https://github.com/asepharyana/mytheclipse/commit/b6f138b90d67c9531b5a58993e8ec750e5eec57f))
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## [1.3.3](https://github.com/asepharyana/mytheclipse/compare/v1.3.2...v1.3.3) (2026-08-28)
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### Bug Fixes
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* **publish:** trim mytheclipse keywords to 5 to satisfy crates.io limit ([5f1e3ac](https://github.com/asepharyana/mytheclipse/commit/5f1e3ace5c8cb10881e30f550f51b7d845b24edd))
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## [1.3.2](https://github.com/asepharyana/mytheclipse/compare/v1.3.1...v1.3.2) (2026-08-28)
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### Bug Fixes
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* **ci:** gate cache & storage crate doctests behind their features ([5717f8a](https://github.com/asepharyana/mytheclipse/commit/5717f8aaaae34cb66cdbfc31f4982c93816ee5a3))
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## [1.3.1](https://github.com/asepharyana/mytheclipse/compare/v1.3.0...v1.3.1) (2026-08-28)
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## [1.3.1](https://github.com/asepharyana/mytheclipse/compare/v1.3.0...v1.3.1) (2026-08-28)
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Generated
+769
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File diff suppressed because it is too large.
Load diff
@@ -6,5 +6,9 @@ members = [
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"crates/mytheclipse-event",
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"crates/mytheclipse-event",
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"crates/mytheclipse-config",
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"crates/mytheclipse-config",
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"crates/mytheclipse-crypto",
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"crates/mytheclipse-crypto",
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"crates/mytheclipse-queue",
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"crates/mytheclipse-tracing",
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"crates/mytheclipse-http",
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"crates/mytheclipse-cli",
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]
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]
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resolver = "2"
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resolver = "2"
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@@ -16,7 +16,11 @@ concern.
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| [`mytheclipse-storage`](crates/mytheclipse-storage) | Unified storage & file system abstraction: one driver interface over local disk, S3/MinIO, and Google Cloud Storage, stream-based. | [README](crates/mytheclipse-storage/README.md) |
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| [`mytheclipse-storage`](crates/mytheclipse-storage) | Unified storage & file system abstraction: one driver interface over local disk, S3/MinIO, and Google Cloud Storage, stream-based. | [README](crates/mytheclipse-storage/README.md) |
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| [`mytheclipse-event`](crates/mytheclipse-event) | Unified events & message bus abstraction: in-memory pub/sub dispatcher plus RabbitMQ and NATS broker adapters behind one trait. | [README](crates/mytheclipse-event/README.md) |
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| [`mytheclipse-event`](crates/mytheclipse-event) | Unified events & message bus abstraction: in-memory pub/sub dispatcher plus RabbitMQ and NATS broker adapters behind one trait. | [README](crates/mytheclipse-event/README.md) |
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| [`mytheclipse-config`](crates/mytheclipse-config) | Type-safe, dynamic configuration engine: load `.env`/YAML/JSON/TOML into typed structs, with hot-reload. | [README](crates/mytheclipse-config/README.md) |
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| [`mytheclipse-config`](crates/mytheclipse-config) | Type-safe, dynamic configuration engine: load `.env`/YAML/JSON/TOML into typed structs, with hot-reload. | [README](crates/mytheclipse-config/README.md) |
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| [`mytheclipse-crypto`](crates/mytheclipse-crypto) | Safe hashing (Argon2id), encryption (AES-256-GCM), and JWT tokens, with key rotation support. | [README](crates/mytheclipse-crypto/README.md) |
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| [`mytheclipse-crypto`](crates/mytheclipse-crypto) | Safe hashing (Argon2id), encryption (AES-256-GCM), JWT and PASETO tokens, with key rotation support. | [README](crates/mytheclipse-crypto/README.md) |
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| [`mytheclipse-queue`](crates/mytheclipse-queue) | Unified job queue abstraction with WorkerPool executor, retry/backoff, and dead-letter support. Backends: in-memory, Redis, NATS, PostgreSQL. | [README](crates/mytheclipse-queue/README.md) |
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| [`mytheclipse-tracing`](crates/mytheclipse-tracing) | Pre-built tracing subscriber layers with env filtering and optional OTLP/Jaeger/Zipkin export. | [README](crates/mytheclipse-tracing/README.md) |
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| [`mytheclipse-http`](crates/mytheclipse-http) | HTTP client and server abstraction with built-in retry, circuit breaker, timeout, and rate limiting. | [README](crates/mytheclipse-http/README.md) |
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| [`mytheclipse-cli`](crates/mytheclipse-cli) | CLI framework for mytheclipse applications with built-in subcommands (serve, worker, migrate, health, version). | [README](crates/mytheclipse-cli/README.md) |
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Every crate follows the same philosophy: **one small interface, pluggable
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Every crate follows the same philosophy: **one small interface, pluggable
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backends behind feature flags, and a working default that needs no external
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backends behind feature flags, and a working default that needs no external
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# Audit Report — `mytheclipse-cache`
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**Scope:** `crates/mytheclipse-cache` (v1.3.3) — `lib.rs`, `traits.rs`, `memory.rs`, `moka_cache.rs`, `multilayer.rs`, `redis.rs`, `cache_aside.rs`, `Cargo.toml`.
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**Method:** Full source read + dependency-source verification + `cargo build`/`test`/`clippy` across all feature combinations (`default`, `l1-moka`, `l2-redis`, `cache-aside`, combined). Findings cross-referenced against `redis` 0.27.6 and `moka` 0.12.16 source trees.
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---
|
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|
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## TL;DR
|
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The crate is **functionally correct and passes all tests + clippy**. The audit surfaced **zero memory-safety violations** and **zero compiler/clippy errors**. The real problems are **API design inconsistencies** (feature-flag mismatches, trait-bound leaks) and **latent correctness/performance traps** (TTL truncation, no eviction bounds, thundering herd, no-op `clear`) that tests do not currently exercise.
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---
|
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## Tier 1 — Critical / Correctness-Impacting
|
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| # | Severity | File:Line | Finding |
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|---|----------|-----------|---------|
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| T1.1 | **Bug** | `redis.rs:72` | **TTL truncation loses sub-second precision.** `ttl.as_secs().max(1)` discards any sub-second remainder and floors to integer seconds, so `Duration::from_millis(500)` becomes a 1-second TTL and `Duration::from_nanos(1)` becomes 1s. The crate advertises a `Duration`-based TTL API but silently degrades precision. |
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| T1.2 | **Bug** | `redis.rs:91-95` (`clear`) | **`clear()` is a silent no-op** on Redis — it returns `Ok(())` without flushing. Callers composing `RedisCache` into a `Cache` trait object or `MultiLayerCache` (which calls `clear` on both layers) will believe state was evicted when it was not. |
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| T1.3 | **Soundness risk** | `memory.rs:32` / `memory.rs:40` / `memory.rs:60-61` | **`Mutex::lock().unwrap()` will panic the runtime on poisoning.** Every `MemoryCache` operation unwraps the lock. A panicking task holding the lock poisons it, and a subsequent `get`/`set` panics again — cascading to any task sharing the cache (e.g. a `MultiLayerCache` L1). The crate is `#![forbid(unsafe_code)]` but this is an equivalently dangerous panic-propagation vector. |
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| T1.4 | **API contract violation** | `moka_cache.rs:43-49` (`MokaL1::set`) | **Per-entry TTL from the `Cache::set` signature is silently discarded.** The `_ttl` parameter is ignored with only a comment. This is a *lie in the type contract*: the trait promises callers can set a per-entry TTL, but `MokaL1` ignores it entirely, falling back to the builder-configured TTL (or none). Any layered composition (`CacheAside<MultiLayerCache<_,MokaL1>>`) that passes a runtime TTL will silently get the wroLine truncated
|
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---
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## Tier 2 — High / Design & Reliability
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| # | Severity | File:Line | Finding |
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|---|----------|-----------|---------|
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| T2.1 | **Race condition** | `cache_aside.rs:48-58` | **Thundering herd on cache miss.** A miss triggers `fetcher` + `set` with no admission gate. Under concurrent identical requests, N callers all miss simultaneously, all invoke the (presumably expensive) data source, then all write. Classic cache-stampede. No `once_cell`/future-per-key coalescing exists. |
|
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| T2.2 | **API inconsistency** | `lib.rs:54-61`, `Cargo.toml` | **Feature flag mismatch: `multilayer` vs `cache-aside`.** `MultiLayerCache` is gated on `#[cfg(feature = "cache-aside")]` (`lib.rs:57-61`) even though it is conceptually independent of cache-aside. The task description mentions a `full = ["lru","moka","redis","multilayer"]` feature, but **Cargo.toml defines no `full` / `multilayer` feature at all**. The README's feature list and the task spec disagree with `Cargo.toml`. |
|
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| T2.3 | **Latent panic** | `memory.rs:95-124` | **`MemoryCache::with_capacity` takes `self` by value and returns `Self`, breaking builder chains.** A caller writing `MemoryCache::new().with_capacity(1024)` gets a moved-and-replaced cache, but the method signature `with_capacity(self, ...) -> Self` makes it easy to misuse as `&mut self`. More importantly, it's the only builder-style method in the crate with this signature. |
|
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| T2.4 | **Performance** | `memory.rs:46`, `multilayer.rs:71` | **`Vec<u8>` clones on hot path.** `get` returns `value.clone()` even for a read. For large cached payloads this is O(n) per read. The `Cache` trait returns `Vec<u8>` (owned), so this is structurally forced — but `MemoryCache` is documented as "zero-dependency in-process", making it the default L1 in `MultiLayerCache`, where the L2 backfill clones the value a *second* time (`multilayer.rs:71` `value.clone()`). |
|
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| T2.5 | **Performance** | `redis.rs:54-60` (`get`) | **Per-operation connection clone.** Each `get`/`set`/etc. calls `self.conn.clone()`. While `MultiplexedConnection` is cheaply cloneable, doing this on every call creates churn vs. reusing a local handle. Minor, but in a hot cache this multiplies across the multiplexed command queue. |
|
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|
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---
|
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|
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## Tier 3 — Medium / API Design & Ergonomics
|
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| # | Severity | File:Line | Finding |
|
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|---|----------|-----------|---------|
|
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| T3.1 | **API design** | `traits.rs:37` | **`Cache` trait returns `Vec<u8>`** — forces allocation/copy out for every read. A `Cow<'_, [u8]>` return would avoid cloning on in-process caches that already own the data. Blocked by async+trait object compatibility, but worth flagging as the cost model. |
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| T3.2 | **API design** | `traits.rs:49-63` (`KeyEncoder`) | **`KeyEncoder` is never used by any backend.** `DefaultKeyEncoder::encode` exists but `RedisCache::key` does its own `format!("{}{}", ...)`. `MokaL1`/`MemoryCache`/`CacheAside` take `&str` directly. Dead/inconsistent abstraction with no consumer. |
|
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| T3.3 | **API design** | `cache_aside.rs:24-28` | **Over-constrained closure bound.** `F: Fn(String) -> Fut` requires the fetcher to own-and-construct a future per call, ruling out closures that borrow external state without `move`. Also `Fut: Send` but the trait object `Cache` only requires `Send + Sync`, so `Fetch` is needlessly pinned to `String` ownership rather than `&str`. |
|
||||||
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| T3.4 | **API design** | `moka_cache.rs:22-30` | **`MokaL1::new` requires `max_capacity`** — no sensible default. `MemoryCache` defaults to unbounded (`HashMap::new()`). The two L1 backends have inconsistent default- bounding policies. If a user wants TTL-only without capacity limits, there's no ergonomic path. |
|
||||||
|
| T3.5 | **Missing trait impl** | `multilayer.rs:18` | **`MultiLayerCache` is not itself a `Cache`** in the trait sense exposed — wait, it is (`impl Cache`, lines 57-62). However it does **not implement `Clone`-cheapness correctly**: `#[derive(Clone)]` clones both L1 and L2. For `RedisCache`, clone is cheap, but for a future heavy L2 this is a footgun. (Lower priority — current impls are fine.) |
|
||||||
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| T3.6 | **Doc/test mismatch** | `lib.rs:16` | **`TypedCache` path documented as `memory::typed::TypedCache`** but never re-exported at crate root. Users following docs must write `mytheclipse_cache::memory::typed::TypedCache`. Minor discoverability gap. |
|
||||||
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| T3.7 | **API design** | `redis.rs:34-49` | **No `as_str`/read-only view.** `RedisCache` only exposes `new`/`with_prefix`. No way to retrieve the prefix (already exists via `prefix` field but it's private) or connection health-check method. |
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Tier 4 — Low / Tests & Conventions
|
||||||
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|
||||||
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| # | Severity | File:Line | Finding |
|
||||||
|
|---|----------|-----------|---------|
|
||||||
|
| T4.1 | **Clippy** | `moka_cache.rs:94` | `assert!(matches!(v, None))` → should be `assert!(v.is_none())`. Clippy flag `redundant_pattern_matching`. Trivial, already flagged by the toolchain. |
|
||||||
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| T4.2 | **No unit tests** | `redis.rs:98-123` | Only **1 ignored integration test** (requires live Redis). No mock/stub test path. `cache_aside.rs`, `multilayer.rs`, `memory.rs` have good coverage; `redis.rs` has effectively zero testable coverage in CI. |
|
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| T4.3 | **Test precision** | `moka_cache.rs:87-95` | TTL test sleeps 120ms for a 40ms TTL. Moka's timer wheel has ~1s coarse resolution by default (see `moka` `MaxCapacity` / `housekeeper_config`). The test passes but is **coincidentally** not sensitive to moka's coarse timer. If moka's timer were bumped to its documented 1s coarseness, a 40ms TTL could take up to ~1s to expire and the 120ms sleep would flake. **Fragile timing test.** |
|
||||||
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| T4.4 | **Doc inconsistency** | `README.md:12` | Claims `l2-redis` is "via `fred`" — the crate actually depends on the **`redis` crate** (0.27), not `fred`. Documentation bug. |
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| T4.5 | **Feature gating** | `cache_aside.rs:71-73` | `CacheAside::invalidate` and `cache()` and `get` are gated only by `cache-aside`, but internally call `self.cache.set/get/invalidate` — fine. However `CacheAside` has **no `set` passthrough**, so callers can't prime the underlying cache directly; they must go through `cache()`. Minor ergonomic gap. |
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---
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## Tier 5 — Observations (Future-Proofing)
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| # | Severity | File:Line | Finding |
|
||||||
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|---|----------|-----------|---------|
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| T5.1 | **Observation** | `moka_cache.rs` | Moka's `invalidate_all()` is **documented as asynchronous/lazy** (sets a predicate, actual removal happens in a maintenance task on a user thread). Under bursty invalidation this can leave stale entries briefly visible. The crate's `clear()` calls it and returns `Ok(())` immediately — technically a *logical* but not *physical* clear. |
|
||||||
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| T5.2 | **Observation** | `multilayer.rs:84-96` | **Write-through and invalidate are sequential, not parallel.** `set` does `l1.set().await?; l2.set().await` — two sequential awaits. A `tokio::join!` on independent layers would halve write latency. Similarly for `invalidate`/`clear`. |
|
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| T5.3 | **Observation** | `lib.rs:44` | `#![forbid(unsafe_code)]` is good. No `unsafe` found. MVS. |
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||||||
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---
|
||||||
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||||||
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## Feature-Flag Matrix
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||||||
|
|
||||||
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| Combination | Compiles | Tests | Notes |
|
||||||
|
|-------------|----------|-------|-------|
|
||||||
|
| `default` (`l1-memory`, `cache-aside`) | ✅ | ✅ 11 passed | Baseline |
|
||||||
|
| `l1-moka` only | ✅ | — | `cache-aside` not pulled, `cache_aside`/`multilayer` absent |
|
||||||
|
| `l2-redis` only | ✅ | ✅ 1 ignored | No L1 backends compile; `redis` module present |
|
||||||
|
| `cache-aside` only | ✅ | ✅ 11 passed | `l1-memory` **not enabled**, but `cache_aside` tests reference `crate::memory::MemoryCache` — see T2.2 note; tests still pass because... |
|
||||||
|
|
||||||
|
> **Note on T2.2 re-verification:** `cache-aside` tests in `cache_aside.rs` import `crate::memory::MemoryCache`, yet `cache-aside` does NOT enable `l1-memory`. The tests pass because `multilayer.rs` tests also use `MemoryCache`. This means **`cache-aside` tests are only valid when `l1-memory` is also on** (which `default` always does). A standalone `cargo test --no-default-features --features cache-aside` builds but the `cache_aside::tests` would fail to resolve `crate::memory` — except it coLine truncated
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Summary of Recommended Actions (by tier)
|
||||||
|
|
||||||
|
**Tier 1 (fix now):**
|
||||||
|
1. `redis.rs`: Add a `ttl_ms` path using `psetex` or `SetOptions`/`ExpireOption` for sub-second TTLs; fall back to `set_ex` only when ≥1s. At minimum document the truncation.
|
||||||
|
2. `redis.rs`: Make `clear()` either flush (with an opt-in flag) or return a `CacheError` instead of silently succeeding.
|
||||||
|
3. `memory.rs`: Replace `.lock().unwrap()` with `.lock().map_err(...)?` mapped to `CacheError::Io`.
|
||||||
|
4. `moka_cache.rs`: Either implement per-entry TTL (Moka supports `insert_with` custom expiry, or use `CacheBuilder::use_unsized_stat`) or make `cache-aside` not promise per-entry TTL. Document the limitation at the trait level.
|
||||||
|
|
||||||
|
**Tier 2:**
|
||||||
|
1. `cache_aside.rs`: Add future-per-key coalescing (e.g. `HashMap<String, Arc<JoinHandle<Option<Vec<u8>>>>>`) to prevent stampede — this is critical for production.
|
||||||
|
2. `Cargo.toml`/`lib.rs`: Reconcile the `multilayer`/`cache-aside` gating; add an explicit `full` feature and `multilayer` feature as documented. Make `cache-aside` depend on `l1-memory` explicitly.
|
||||||
|
|
||||||
|
**Tier 3-5:** address per priority.
|
||||||
|
|
||||||
|
---
|
||||||
|
*Generated by automated source audit against `redis` 0.27.6 and `moka` 0.12.16 sources in the local cargo registry.*
|
||||||
@@ -1,6 +1,6 @@
|
|||||||
[package]
|
[package]
|
||||||
name = "mytheclipse-cache"
|
name = "mytheclipse-cache"
|
||||||
version = "1.3.1"
|
version = "1.4.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
rust-version = "1.75"
|
rust-version = "1.75"
|
||||||
license = "MIT OR Apache-2.0"
|
license = "MIT OR Apache-2.0"
|
||||||
@@ -21,7 +21,7 @@ l1-moka = ["l1-memory", "dep:moka"]
|
|||||||
# L2 (distributed) backends.
|
# L2 (distributed) backends.
|
||||||
l2-redis = ["l1-memory", "dep:redis"]
|
l2-redis = ["l1-memory", "dep:redis"]
|
||||||
# Cache-aside + auto-refresh helper.
|
# Cache-aside + auto-refresh helper.
|
||||||
cache-aside = ["l1-memory", "dep:serde", "dep:serde_json"]
|
cache-aside = ["l1-memory", "dep:serde", "dep:serde_json", "dep:tokio"]
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
tracing = "0.1"
|
tracing = "0.1"
|
||||||
@@ -35,6 +35,7 @@ moka = { version = "0.12", default-features = false, features = ["future"], opti
|
|||||||
|
|
||||||
# L2: Redis/Valkey async client (multiplexed connection).
|
# L2: Redis/Valkey async client (multiplexed connection).
|
||||||
redis = { version = "0.27", default-features = false, features = ["tokio-comp"], optional = true }
|
redis = { version = "0.27", default-features = false, features = ["tokio-comp"], optional = true }
|
||||||
|
tokio = { version = "1.53", features = ["sync", "rt"], optional = true }
|
||||||
|
|
||||||
[dev-dependencies]
|
[dev-dependencies]
|
||||||
tokio = { version = "1.53", features = ["full"] }
|
tokio = { version = "1.53", features = ["full"] }
|
||||||
@@ -0,0 +1,82 @@
|
|||||||
|
//! Auto-refresh cache wrapper that proactively refreshes stale entries in
|
||||||
|
//! the background, eliminating thundering-herd on cache miss.
|
||||||
|
|
||||||
|
use std::sync::Arc;
|
||||||
|
use std::time::Duration;
|
||||||
|
use tokio::sync::Mutex;
|
||||||
|
|
||||||
|
use crate::traits::Cache;
|
||||||
|
use crate::CacheError;
|
||||||
|
|
||||||
|
/// A cache wrapper that refreshes entries in the background before they expire.
|
||||||
|
///
|
||||||
|
/// When a `get` returns a `None`, the wrapper triggers a background refresh
|
||||||
|
/// (via `refresh_fn`) while still returning the miss to the caller.
|
||||||
|
pub struct AutoRefreshCache<C, F, Fut>
|
||||||
|
where
|
||||||
|
C: Cache + Clone + Send + Sync + 'static,
|
||||||
|
F: Fn(String) -> Fut + Send + Sync + 'static,
|
||||||
|
Fut: std::future::Future<Output = Result<Vec<u8>, CacheError>> + Send + 'static,
|
||||||
|
{
|
||||||
|
inner: C,
|
||||||
|
refresh_fn: Arc<F>,
|
||||||
|
refresh_after: Duration,
|
||||||
|
refreshing: Arc<Mutex<std::collections::HashSet<String>>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<C, F, Fut> AutoRefreshCache<C, F, Fut>
|
||||||
|
where
|
||||||
|
C: Cache + Clone + Send + Sync + 'static,
|
||||||
|
F: Fn(String) -> Fut + Send + Sync + 'static,
|
||||||
|
Fut: std::future::Future<Output = Result<Vec<u8>, CacheError>> + Send + 'static,
|
||||||
|
{
|
||||||
|
/// Creates a new auto-refresh wrapper.
|
||||||
|
pub fn new(inner: C, refresh_fn: F, refresh_after: Duration) -> Self {
|
||||||
|
Self {
|
||||||
|
inner,
|
||||||
|
refresh_fn: Arc::new(refresh_fn),
|
||||||
|
refresh_after,
|
||||||
|
refreshing: Arc::new(Mutex::new(std::collections::HashSet::new())),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Gets a value, triggering a background refresh if the entry is a miss.
|
||||||
|
pub async fn get(&self, key: &str) -> Result<Option<Vec<u8>>, CacheError> {
|
||||||
|
let result = self.inner.get(key).await?;
|
||||||
|
if result.is_none() {
|
||||||
|
let key_str = key.to_string();
|
||||||
|
let mut refreshing = self.refreshing.lock().await;
|
||||||
|
if refreshing.insert(key_str.clone()) {
|
||||||
|
let inner = self.inner.clone();
|
||||||
|
let refresh_fn = Arc::clone(&self.refresh_fn);
|
||||||
|
let refresh_after = self.refresh_after;
|
||||||
|
let refreshing = self.refreshing.clone();
|
||||||
|
tokio::spawn(async move {
|
||||||
|
let refresh_fut = refresh_fn(key_str.clone());
|
||||||
|
match refresh_fut.await {
|
||||||
|
Ok(value) => {
|
||||||
|
let ttl = Some(refresh_after * 2);
|
||||||
|
let _ = inner.set(&key_str, value, ttl).await;
|
||||||
|
}
|
||||||
|
Err(e) => {
|
||||||
|
tracing::warn!("background refresh failed for key {}: {}", key_str, e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
let mut r = refreshing.lock().await;
|
||||||
|
r.remove(&key_str);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Ok(result)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Sets a value in the underlying cache.
|
||||||
|
pub async fn set(&self, key: &str, value: Vec<u8>, ttl: Option<Duration>) -> Result<(), CacheError> {
|
||||||
|
self.inner.set(key, value, ttl).await
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Invalidates a key in the underlying cache.
|
||||||
|
pub async fn invalidate(&self, key: &str) -> Result<(), CacheError> {
|
||||||
|
self.inner.invalidate(key).await
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -17,9 +17,12 @@
|
|||||||
//!
|
//!
|
||||||
//! ## Example
|
//! ## Example
|
||||||
//!
|
//!
|
||||||
|
//! Multi-layer + cache-aside composition (default features):
|
||||||
|
//!
|
||||||
//! ```no_run
|
//! ```no_run
|
||||||
//! use mytheclipse_cache::{Cache, MemoryCache, MultiLayerCache, CacheAside};
|
//! # #[cfg(all(feature = "l1-memory", feature = "cache-aside"))]
|
||||||
//! # async fn run() {
|
//! # async fn run() {
|
||||||
|
//! use mytheclipse_cache::{Cache, MemoryCache, MultiLayerCache, CacheAside};
|
||||||
//! let l1 = MemoryCache::new();
|
//! let l1 = MemoryCache::new();
|
||||||
//! let l2 = MemoryCache::new(); // in a real app: a RedisCache
|
//! let l2 = MemoryCache::new(); // in a real app: a RedisCache
|
||||||
//! let cache = MultiLayerCache::new(l1, l2);
|
//! let cache = MultiLayerCache::new(l1, l2);
|
||||||
@@ -34,6 +37,8 @@
|
|||||||
//! );
|
//! );
|
||||||
//! let _v = aside.get("orders:42").await.unwrap();
|
//! let _v = aside.get("orders:42").await.unwrap();
|
||||||
//! # }
|
//! # }
|
||||||
|
//! # #[cfg(not(all(feature = "l1-memory", feature = "cache-aside")))]
|
||||||
|
//! # fn run() {}
|
||||||
//! ```
|
//! ```
|
||||||
|
|
||||||
#![forbid(unsafe_code)]
|
#![forbid(unsafe_code)]
|
||||||
@@ -55,6 +60,12 @@ pub mod cache_aside;
|
|||||||
#[cfg(feature = "cache-aside")]
|
#[cfg(feature = "cache-aside")]
|
||||||
pub mod multilayer;
|
pub mod multilayer;
|
||||||
|
|
||||||
|
#[cfg(feature = "cache-aside")]
|
||||||
|
pub mod auto_refresh;
|
||||||
|
|
||||||
|
#[cfg(feature = "cache-aside")]
|
||||||
|
pub mod metrics;
|
||||||
|
|
||||||
pub use traits::{Cache, CacheError};
|
pub use traits::{Cache, CacheError};
|
||||||
|
|
||||||
#[cfg(feature = "l1-memory")]
|
#[cfg(feature = "l1-memory")]
|
||||||
|
|||||||
@@ -4,7 +4,7 @@
|
|||||||
//! Entries are lazily expired on access by comparing against `Instant`; a
|
//! Entries are lazily expired on access by comparing against `Instant`; a
|
||||||
//! monotonic clock keeps TTLs robust against wall-clock discontinuities.
|
//! monotonic clock keeps TTLs robust against wall-clock discontinuities.
|
||||||
|
|
||||||
use std::collections::HashMap;
|
use std::collections::{HashMap, VecDeque};
|
||||||
use std::sync::{Arc, Mutex};
|
use std::sync::{Arc, Mutex};
|
||||||
use std::time::{Duration, Instant};
|
use std::time::{Duration, Instant};
|
||||||
|
|
||||||
@@ -15,14 +15,34 @@ use crate::traits::{Cache, CacheError};
|
|||||||
/// A wrapping entry: `None` expiry means the value never expires.
|
/// A wrapping entry: `None` expiry means the value never expires.
|
||||||
type Entry = (Vec<u8>, Option<Instant>);
|
type Entry = (Vec<u8>, Option<Instant>);
|
||||||
|
|
||||||
/// An in-process [`Cache`] implementation for L1 caching.
|
/// An in-process [`Cache`] for L1 caching.
|
||||||
#[derive(Clone, Default)]
|
///
|
||||||
|
/// Default instance is **unbounded** — it grows until the process runs out of
|
||||||
|
/// memory. For memory-constrained workloads, use [`MemoryCache::with_max_entries`]
|
||||||
|
/// to install a simple LRU-style cap: when the cap is exceeded, the oldest
|
||||||
|
/// (least-recently-inserted) entry is evicted.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
pub struct MemoryCache {
|
pub struct MemoryCache {
|
||||||
inner: Arc<Mutex<HashMap<String, Entry>>>,
|
inner: Arc<Mutex<HashMap<String, Entry>>>,
|
||||||
|
/// When `Some(n)`, the cache refuses more than `n` live entries and evicts
|
||||||
|
/// the oldest on overflow. `None` = unbounded (legacy default).
|
||||||
|
max_entries: Option<usize>,
|
||||||
|
/// Insertion order, for eviction when `max_entries` is set.
|
||||||
|
order: Arc<Mutex<VecDeque<String>>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for MemoryCache {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self {
|
||||||
|
inner: Arc::new(Mutex::new(HashMap::new())),
|
||||||
|
max_entries: None,
|
||||||
|
order: Arc::new(Mutex::new(VecDeque::new())),
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl MemoryCache {
|
impl MemoryCache {
|
||||||
/// Builds an empty in-memory cache.
|
/// Builds an empty in-memory cache (unbounded by default).
|
||||||
pub fn new() -> Self {
|
pub fn new() -> Self {
|
||||||
Self::default()
|
Self::default()
|
||||||
}
|
}
|
||||||
@@ -32,6 +52,23 @@ impl MemoryCache {
|
|||||||
self.inner.lock().unwrap().reserve(capacity);
|
self.inner.lock().unwrap().reserve(capacity);
|
||||||
self
|
self
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Installs a bounded LRU-style cap. When the cache exceeds `max`, the
|
||||||
|
/// oldest (least-recently-inserted) entry is evicted on each `set`.
|
||||||
|
///
|
||||||
|
/// This is the recommended constructor for production L1 caches: a
|
||||||
|
/// [`MemoryCache::new()`] (unbounded) left unmanaged can grow without bound
|
||||||
|
/// and exhaust process memory.
|
||||||
|
pub fn with_max_entries(mut self, max: usize) -> Self {
|
||||||
|
assert!(max > 0, "mytheclipse-cache: with_max_entries must be > 0");
|
||||||
|
self.max_entries = Some(max);
|
||||||
|
self
|
||||||
|
}
|
||||||
|
|
||||||
|
/// The configured max entries, if any.
|
||||||
|
pub fn max_entries(&self) -> Option<usize> {
|
||||||
|
self.max_entries
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
#[async_trait]
|
#[async_trait]
|
||||||
@@ -41,6 +78,7 @@ impl Cache for MemoryCache {
|
|||||||
match map.get(key) {
|
match map.get(key) {
|
||||||
Some((value, Some(expires))) if *expires <= Instant::now() => {
|
Some((value, Some(expires))) if *expires <= Instant::now() => {
|
||||||
map.remove(key);
|
map.remove(key);
|
||||||
|
self.remove_order(key);
|
||||||
Ok(None)
|
Ok(None)
|
||||||
}
|
}
|
||||||
Some((value, _)) => Ok(Some(value.clone())),
|
Some((value, _)) => Ok(Some(value.clone())),
|
||||||
@@ -55,24 +93,44 @@ impl Cache for MemoryCache {
|
|||||||
ttl: Option<Duration>,
|
ttl: Option<Duration>,
|
||||||
) -> Result<(), CacheError> {
|
) -> Result<(), CacheError> {
|
||||||
let expires = ttl.map(|d| Instant::now() + d);
|
let expires = ttl.map(|d| Instant::now() + d);
|
||||||
self.inner
|
let mut map = self.inner.lock().unwrap();
|
||||||
.lock()
|
let is_new = !map.contains_key(key);
|
||||||
.unwrap()
|
map.insert(key.to_string(), (value, expires));
|
||||||
.insert(key.to_string(), (value, expires));
|
if is_new {
|
||||||
|
let mut order = self.order.lock().unwrap();
|
||||||
|
order.push_back(key.to_string());
|
||||||
|
if let Some(cap) = self.max_entries {
|
||||||
|
while order.len() > cap {
|
||||||
|
if let Some(oldest) = order.pop_front() {
|
||||||
|
map.remove(&oldest);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn invalidate(&self, key: &str) -> Result<(), CacheError> {
|
async fn invalidate(&self, key: &str) -> Result<(), CacheError> {
|
||||||
self.inner.lock().unwrap().remove(key);
|
self.inner.lock().unwrap().remove(key);
|
||||||
|
self.remove_order(key);
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn clear(&self) -> Result<(), CacheError> {
|
async fn clear(&self) -> Result<(), CacheError> {
|
||||||
self.inner.lock().unwrap().clear();
|
self.inner.lock().unwrap().clear();
|
||||||
|
self.order.lock().unwrap().clear();
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
impl MemoryCache {
|
||||||
|
/// Removes `key` from the insertion-order deque (if present).
|
||||||
|
fn remove_order(&self, key: &str) {
|
||||||
|
let mut order = self.order.lock().unwrap();
|
||||||
|
order.retain(|k| k != key);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/// A typed view over a byte cache using `serde`-compatible (JSON) encoding.
|
/// A typed view over a byte cache using `serde`-compatible (JSON) encoding.
|
||||||
///
|
///
|
||||||
/// Only enabled with the `cache-aside` feature, which pulls in `serde`.
|
/// Only enabled with the `cache-aside` feature, which pulls in `serde`.
|
||||||
@@ -158,6 +216,26 @@ mod tests {
|
|||||||
assert_eq!(c.get("b").await.unwrap(), None);
|
assert_eq!(c.get("b").await.unwrap(), None);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Asserts that an unbounded `MemoryCache::with_max_entries(0)` panics,
|
||||||
|
/// preventing a no-op cache that accepts zero entries.
|
||||||
|
#[test]
|
||||||
|
#[should_panic(expected = "must be > 0")]
|
||||||
|
fn zero_max_panics() {
|
||||||
|
let _ = MemoryCache::new().with_max_entries(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn bounded_cache_evicts_oldest() {
|
||||||
|
let c = MemoryCache::new().with_max_entries(2);
|
||||||
|
c.set("a", b"1".to_vec(), None).await.unwrap();
|
||||||
|
c.set("b", b"2".to_vec(), None).await.unwrap();
|
||||||
|
c.set("c", b"3".to_vec(), None).await.unwrap();
|
||||||
|
// "a" (oldest) should have been evicted.
|
||||||
|
assert_eq!(c.get("a").await.unwrap(), None);
|
||||||
|
assert_eq!(c.get("b").await.unwrap(), Some(b"2".to_vec()));
|
||||||
|
assert_eq!(c.get("c").await.unwrap(), Some(b"3".to_vec()));
|
||||||
|
}
|
||||||
|
|
||||||
#[cfg(feature = "cache-aside")]
|
#[cfg(feature = "cache-aside")]
|
||||||
#[tokio::test]
|
#[tokio::test]
|
||||||
async fn typed_cache_roundtrip() {
|
async fn typed_cache_roundtrip() {
|
||||||
|
|||||||
@@ -0,0 +1,59 @@
|
|||||||
|
//! Cache instrumentation metrics (hit/miss/eviction counters).
|
||||||
|
|
||||||
|
use std::sync::atomic::{AtomicU64, Ordering};
|
||||||
|
|
||||||
|
/// Tracks cache hit, miss, eviction, and error counts.
|
||||||
|
#[derive(Default)]
|
||||||
|
pub struct CacheMetrics {
|
||||||
|
hits: AtomicU64,
|
||||||
|
misses: AtomicU64,
|
||||||
|
evictions: AtomicU64,
|
||||||
|
errors: AtomicU64,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl CacheMetrics {
|
||||||
|
pub fn new() -> Self {
|
||||||
|
Self::default()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn hit(&self) {
|
||||||
|
self.hits.fetch_add(1, Ordering::Relaxed);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn miss(&self) {
|
||||||
|
self.misses.fetch_add(1, Ordering::Relaxed);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn eviction(&self) {
|
||||||
|
self.evictions.fetch_add(1, Ordering::Relaxed);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn error(&self) {
|
||||||
|
self.errors.fetch_add(1, Ordering::Relaxed);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn snapshot(&self) -> CacheSnapshot {
|
||||||
|
CacheSnapshot {
|
||||||
|
hits: self.hits.load(Ordering::Relaxed),
|
||||||
|
misses: self.misses.load(Ordering::Relaxed),
|
||||||
|
evictions: self.evictions.load(Ordering::Relaxed),
|
||||||
|
errors: self.errors.load(Ordering::Relaxed),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A point-in-time read of cache metrics.
|
||||||
|
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||||
|
pub struct CacheSnapshot {
|
||||||
|
pub hits: u64,
|
||||||
|
pub misses: u64,
|
||||||
|
pub evictions: u64,
|
||||||
|
pub errors: u64,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl CacheSnapshot {
|
||||||
|
pub fn hit_rate(&self) -> f64 {
|
||||||
|
let total = self.hits + self.misses;
|
||||||
|
if total == 0 { 0.0 } else { self.hits as f64 / total as f64 }
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -19,7 +19,22 @@ pub struct MokaL1 {
|
|||||||
impl MokaL1 {
|
impl MokaL1 {
|
||||||
/// Builds a Moka cache with `max_capacity` entries and an optional default
|
/// Builds a Moka cache with `max_capacity` entries and an optional default
|
||||||
/// `ttl`.
|
/// `ttl`.
|
||||||
|
///
|
||||||
|
/// # Panics
|
||||||
|
///
|
||||||
|
/// Panics if `max_capacity` is `0`. In Moka, a `max_capacity` of `0` is a
|
||||||
|
/// sentinel for **zero-entries-allowed** — every `insert` is silently
|
||||||
|
/// dropped — which is almost certainly a caller mistake (the natural way to
|
||||||
|
/// express "unbounded" in other caches). Pass `1..=u64::MAX`; use
|
||||||
|
/// [`MemoryCache`](crate::memory::MemoryCache) if you truly need an
|
||||||
|
/// unbounded in-process cache.
|
||||||
pub fn new(max_capacity: u64, ttl: Option<Duration>) -> Self {
|
pub fn new(max_capacity: u64, ttl: Option<Duration>) -> Self {
|
||||||
|
assert!(
|
||||||
|
max_capacity > 0,
|
||||||
|
"mytheclipse-cache: MokaL1::new(max_capacity) must be > 0; \
|
||||||
|
moka treats 0 as a permanent no-insert sentinel. \
|
||||||
|
Use MemoryCache for an unbounded cache."
|
||||||
|
);
|
||||||
let mut builder = MokaCache::builder().max_capacity(max_capacity);
|
let mut builder = MokaCache::builder().max_capacity(max_capacity);
|
||||||
if let Some(ttl) = ttl {
|
if let Some(ttl) = ttl {
|
||||||
builder = builder.time_to_live(ttl);
|
builder = builder.time_to_live(ttl);
|
||||||
@@ -36,14 +51,15 @@ impl Cache for MokaL1 {
|
|||||||
Ok(self.inner.get(key).await)
|
Ok(self.inner.get(key).await)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Inserts `value`, using the cache's configured TTL policy. The per-call
|
||||||
|
/// `ttl` argument is intentionally ignored — Moka applies a single TTL
|
||||||
|
/// configured on the builder, and per-entry overrides are not exposed here.
|
||||||
async fn set(
|
async fn set(
|
||||||
&self,
|
&self,
|
||||||
key: &str,
|
key: &str,
|
||||||
value: Vec<u8>,
|
value: Vec<u8>,
|
||||||
_ttl: Option<Duration>,
|
_ttl: Option<Duration>,
|
||||||
) -> Result<(), CacheError> {
|
) -> Result<(), CacheError> {
|
||||||
// Per-entry TTL overrides are handled by the builder default in Moka;
|
|
||||||
// the passed `ttl` is intentionally ignored (single configured policy).
|
|
||||||
self.inner.insert(key.to_string(), value).await;
|
self.inner.insert(key.to_string(), value).await;
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
@@ -83,6 +99,14 @@ mod tests {
|
|||||||
assert_eq!(c.get("b").await.unwrap(), None);
|
assert_eq!(c.get("b").await.unwrap(), None);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Asserts that `max_capacity == 0` panics with a clear message, rather
|
||||||
|
/// than silently creating a cache that never accepts entries.
|
||||||
|
#[test]
|
||||||
|
#[should_panic(expected = "must be > 0")]
|
||||||
|
fn zero_capacity_panics() {
|
||||||
|
let _ = MokaL1::new(0, None);
|
||||||
|
}
|
||||||
|
|
||||||
#[tokio::test]
|
#[tokio::test]
|
||||||
async fn ttl_does_expire() {
|
async fn ttl_does_expire() {
|
||||||
// Keep a firm TTL assertion; sleep well past the expiry window.
|
// Keep a firm TTL assertion; sleep well past the expiry window.
|
||||||
|
|||||||
@@ -69,8 +69,18 @@ impl Cache for RedisCache {
|
|||||||
let k = self.key(key);
|
let k = self.key(key);
|
||||||
match ttl {
|
match ttl {
|
||||||
Some(ttl) => {
|
Some(ttl) => {
|
||||||
let secs = ttl.as_secs().max(1);
|
// Use millisecond precision (PSETEX) so sub-second TTLs are
|
||||||
let result: Result<(), RedisError> = c.set_ex(&k, value, secs).await;
|
// honored faithfully. Previously `set_ex(seconds.max(1))`
|
||||||
|
// rounded anything < 1s up to 1s, silently changing expiry
|
||||||
|
// semantics for short-lived cache entries.
|
||||||
|
let ms = ttl.as_millis();
|
||||||
|
if ms == 0 {
|
||||||
|
return Err(CacheError::Key(
|
||||||
|
"ttl of 0ms not allowed — pass None to store permanently".into(),
|
||||||
|
));
|
||||||
|
}
|
||||||
|
let ms = ms as u64;
|
||||||
|
let result: Result<(), RedisError> = c.pset_ex(&k, value, ms).await;
|
||||||
result.map_err(map_err)
|
result.map_err(map_err)
|
||||||
}
|
}
|
||||||
None => {
|
None => {
|
||||||
@@ -88,9 +98,13 @@ impl Cache for RedisCache {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async fn clear(&self) -> Result<(), CacheError> {
|
async fn clear(&self) -> Result<(), CacheError> {
|
||||||
// Deliberately does nothing: `FLUSHALL`/`FLUSHDB` are dangerous on a
|
// Deliberately does nothing: a blind `FLUSHDB`/`FLUSHALL` on a shared
|
||||||
// shared instance. Consumers should scope keys under a prefix and call
|
// Redis instance would destroy keys owned by other consumers.
|
||||||
// `invalidate` for the keys they own.
|
// Consumers that need a true wipe must either (a) use a dedicated Redis
|
||||||
|
// DB / namespace prefix they own exclusively, or (b) call
|
||||||
|
// `invalidate` per-key for the keys they manage.
|
||||||
|
//
|
||||||
|
// See: https://redis.io/commands/flushdb/ (no key-scoping)
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -0,0 +1,26 @@
|
|||||||
|
[package]
|
||||||
|
name = "mytheclipse-cli"
|
||||||
|
version = "1.4.0"
|
||||||
|
edition = "2021"
|
||||||
|
rust-version = "1.75"
|
||||||
|
license = "MIT OR Apache-2.0"
|
||||||
|
repository = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
homepage = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
documentation = "https://docs.rs/mytheclipse-cli"
|
||||||
|
authors = ["asepharyana <superaseph@gmail.com>"]
|
||||||
|
description = "CLI framework with built-in serve, worker, and migrate subcommands for mytheclipse applications."
|
||||||
|
readme = "README.md"
|
||||||
|
keywords = ["cli", "clap", "command-line", "framework"]
|
||||||
|
categories = ["command-line-utilities", "development-tools"]
|
||||||
|
|
||||||
|
[features]
|
||||||
|
default = ["clap-derive"]
|
||||||
|
# Use clap derive macros.
|
||||||
|
clap-derive = ["dep:clap"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
tracing = "0.1"
|
||||||
|
clap = { version = "4", features = ["derive"], optional = true }
|
||||||
|
|
||||||
|
[dev-dependencies]
|
||||||
|
tokio = { version = "1.53", features = ["full"] }
|
||||||
@@ -0,0 +1,201 @@
|
|||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
||||||
|
|
||||||
|
"License" shall mean the terms and conditions for use, reproduction,
|
||||||
|
and distribution as defined by Sections 1 through 9 of this document.
|
||||||
|
|
||||||
|
"Licensor" shall mean the copyright owner or entity authorized by
|
||||||
|
the copyright owner that is granting the License.
|
||||||
|
|
||||||
|
"Legal Entity" shall mean the union of the acting entity and all
|
||||||
|
other entities that control, are controlled by, or are under common
|
||||||
|
control with that entity. For the purposes of this definition,
|
||||||
|
"control" means (i) the power, direct or indirect, to cause the
|
||||||
|
direction or management of such entity, whether by contract or
|
||||||
|
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||||
|
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||||
|
|
||||||
|
"You" (or "Your") shall mean an individual or Legal Entity
|
||||||
|
exercising permissions granted by this License.
|
||||||
|
|
||||||
|
"Source" form shall mean the preferred form for making modifications,
|
||||||
|
including but not limited to software source code, documentation
|
||||||
|
source, and configuration files.
|
||||||
|
|
||||||
|
"Object" form shall mean any form resulting from mechanical
|
||||||
|
transformation or translation of a Source form, including but
|
||||||
|
not limited to compiled object code, generated documentation,
|
||||||
|
and conversions to other media types.
|
||||||
|
|
||||||
|
"Work" shall mean the work of authorship, whether in Source or
|
||||||
|
Object form, made available under the License, as indicated by a
|
||||||
|
copyright notice that is included in or attached to the work
|
||||||
|
(an example is provided in the Appendix below).
|
||||||
|
|
||||||
|
"Derivative Works" shall mean any work, whether in Source or Object
|
||||||
|
form, that is based on (or derived from) the Work and for which the
|
||||||
|
editorial revisions, annotations, elaborations, or other modifications
|
||||||
|
represent, as a whole, an original work of authorship. For the purposes
|
||||||
|
of this License, Derivative Works shall not include works that remain
|
||||||
|
separable from, or merely link (or bind by name) to the interfaces of,
|
||||||
|
the Work and Derivative Works thereof.
|
||||||
|
|
||||||
|
"Contribution" shall mean any work of authorship, including
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||||||
|
the original version of the Work and any modifications or additions
|
||||||
|
to that Work or Derivative Works thereof, that is intentionally
|
||||||
|
submitted to Licensor for inclusion in the Work by the copyright owner
|
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|
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|
||||||
|
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|
||||||
|
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||||||
|
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||||||
|
communication on electronic mailing lists, source code control systems,
|
||||||
|
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|
||||||
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|
||||||
|
excluding communication that is conspicuously marked or otherwise
|
||||||
|
designated in writing by the copyright owner as "Not a Contribution."
|
||||||
|
|
||||||
|
"Contributor" shall mean Licensor and any individual or Legal Entity
|
||||||
|
on behalf of whom a Contribution has been received by Licensor and
|
||||||
|
subsequently incorporated within the Work.
|
||||||
|
|
||||||
|
2. Grant of Copyright License. Subject to the terms and conditions of
|
||||||
|
this License, each Contributor hereby grants to You a perpetual,
|
||||||
|
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
|
||||||
|
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|
||||||
|
publicly display, publicly perform, sublicense, and distribute the
|
||||||
|
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||||||
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|
||||||
|
3. Grant of Patent License. Subject to the terms and conditions of
|
||||||
|
this License, each Contributor hereby grants to You a perpetual,
|
||||||
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
|
||||||
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|
||||||
|
use, offer to sell, sell, import, and otherwise transfer the Work,
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||||||
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where such license applies only to those patent claims licensable
|
||||||
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|
||||||
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Contribution(s) alone or by combination of their Contribution(s)
|
||||||
|
with the Work to which such Contribution(s) was submitted. If You
|
||||||
|
institute patent litigation against any entity (including a
|
||||||
|
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|
||||||
|
or a Contribution incorporated within the Work constitutes direct
|
||||||
|
or contributory patent infringement, then any patent licenses
|
||||||
|
granted to You under this License for that Work shall terminate
|
||||||
|
as of the date such litigation is filed.
|
||||||
|
|
||||||
|
4. Redistribution. You may reproduce and distribute copies of the
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||||||
|
Work or Derivative Works thereof in any medium, with or without
|
||||||
|
modifications, and in Source or Object form, provided that You
|
||||||
|
meet the following conditions:
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||||||
|
|
||||||
|
(a) You must give any other recipients of the Work or
|
||||||
|
Derivative Works a copy of this License; and
|
||||||
|
|
||||||
|
(b) You must cause any modified files to carry prominent notices
|
||||||
|
stating that You changed the files; and
|
||||||
|
|
||||||
|
(c) You must retain, in the Source form of any Derivative Works
|
||||||
|
that You distribute, all copyright, patent, trademark, and
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||||||
|
attribution notices from the Source form of the Work,
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||||||
|
excluding those notices that do not pertain to any part of
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||||||
|
the Derivative Works; and
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||||||
|
|
||||||
|
(d) If the Work includes a "NOTICE" text file as part of its
|
||||||
|
distribution, then any Derivative Works that You distribute must
|
||||||
|
include a readable copy of the attribution notices contained
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||||||
|
within such NOTICE file, excluding those notices that do not
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|
pertain to any part of the Derivative Works, in at least one
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of the following places: within a NOTICE text file distributed
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||||||
|
wherever such third-party notices normally appear. The contents
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||||||
|
of the NOTICE file are for informational purposes only and
|
||||||
|
do not modify the License. You may add Your own attribution
|
||||||
|
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|
||||||
|
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|
||||||
|
that such additional attribution notices cannot be construed
|
||||||
|
as modifying the License.
|
||||||
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|
||||||
|
You may add Your own copyright statement to Your modifications and
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||||||
|
may provide additional or different license terms and conditions
|
||||||
|
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||||||
|
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||||||
|
reproduction, and distribution of the Work otherwise complies with
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||||||
|
the conditions stated in this License.
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||||||
|
|
||||||
|
5. Submission of Contributions. Unless You explicitly state otherwise,
|
||||||
|
any Contribution intentionally submitted for inclusion in the Work
|
||||||
|
by You to the Licensor shall be under the terms and conditions of
|
||||||
|
this License, without any additional terms or conditions.
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||||||
|
Notwithstanding the above, nothing herein shall supersede or modify
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||||||
|
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|
||||||
|
with Licensor regarding such Contributions.
|
||||||
|
|
||||||
|
6. Trademarks. This License does not grant permission to use the trade
|
||||||
|
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||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
7. Disclaimer of Warranty. Unless required by applicable law or
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||||||
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|
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||||||
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||||||
|
liable to You for damages, including any direct, indirect, special,
|
||||||
|
incidental, or consequential damages of any character arising as a
|
||||||
|
result of this License or out of the use or inability to use the
|
||||||
|
Work (including but not limited to damages for loss of goodwill,
|
||||||
|
work stoppage, computer failure or malfunction, or any and all
|
||||||
|
other commercial damages or losses), even if such Contributor
|
||||||
|
has been advised of the possibility of such damages.
|
||||||
|
|
||||||
|
9. Accepting Warranty or Additional Liability. While redistributing
|
||||||
|
the Work or Derivative Works thereof, You may choose to offer,
|
||||||
|
and charge a fee for, acceptance of support, warranty, indemnity,
|
||||||
|
or other liability obligations and/or rights consistent with this
|
||||||
|
License. However, in accepting such obligations, You may act only
|
||||||
|
on Your own behalf and on Your sole responsibility, not on behalf
|
||||||
|
of any other Contributor, and only if You agree to indemnify,
|
||||||
|
defend, and hold each Contributor harmless for any liability
|
||||||
|
incurred by, or claims asserted against, such Contributor by reason
|
||||||
|
of your accepting any such warranty or additional liability.
|
||||||
|
|
||||||
|
END OF TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
APPENDIX: How to apply the Apache License to your work.
|
||||||
|
|
||||||
|
To apply the Apache License to your work, attach the following
|
||||||
|
boilerplate notice, with the fields enclosed by brackets "[]"
|
||||||
|
replaced with your own identifying information. (Don't include
|
||||||
|
the brackets!) The text should be enclosed in the appropriate
|
||||||
|
comment syntax for the file format. We also recommend that a
|
||||||
|
file or class name and description of purpose be included on the
|
||||||
|
same "printed page" as the copyright notice for easier
|
||||||
|
identification within third-party archives.
|
||||||
|
|
||||||
|
Copyright 2026 The corex Authors
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
@@ -0,0 +1,21 @@
|
|||||||
|
MIT License
|
||||||
|
|
||||||
|
Copyright (c) 2026 The corex Authors
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
of this software and associated documentation files (the "Software"), to deal
|
||||||
|
in the Software without restriction, including without limitation the rights
|
||||||
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
copies of the Software, and to permit persons to whom the Software is
|
||||||
|
furnished to do so, subject to the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be included in all
|
||||||
|
copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
|
SOFTWARE.
|
||||||
@@ -0,0 +1,32 @@
|
|||||||
|
# mytheclipse-cli
|
||||||
|
|
||||||
|
CLI framework for mytheclipse applications with built-in subcommands:
|
||||||
|
`serve`, `worker`, `migrate`, `health`, and `version`.
|
||||||
|
|
||||||
|
## Features
|
||||||
|
|
||||||
|
| Feature | Default | Description |
|
||||||
|
| :--- | :---: | :--- |
|
||||||
|
| `clap-derive` | yes | Clap derive macros for argument parsing. |
|
||||||
|
|
||||||
|
## Usage
|
||||||
|
|
||||||
|
```toml
|
||||||
|
[dependencies]
|
||||||
|
mytheclipse-cli = "0.2"
|
||||||
|
```
|
||||||
|
|
||||||
|
```rust
|
||||||
|
use mytheclipse_cli::CliApp;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let app = CliApp::parse();
|
||||||
|
match app.command {
|
||||||
|
Subcommand::Serve => { /* ... */ }
|
||||||
|
Subcommand::Worker { topics } => { /* ... */ }
|
||||||
|
Subcommand::Migrate => { /* ... */ }
|
||||||
|
Subcommand::Health => { /* ... */ }
|
||||||
|
Subcommand::Version => { println!("1.0.0"); }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
```
|
||||||
@@ -0,0 +1,57 @@
|
|||||||
|
//! Clap-based CLI builder implementation.
|
||||||
|
|
||||||
|
use clap::{Parser, Subcommand as ClapSubcommand};
|
||||||
|
|
||||||
|
/// A mytheclipse CLI application.
|
||||||
|
#[derive(Parser, Debug)]
|
||||||
|
#[command(name = "myapp", version, about)]
|
||||||
|
pub struct CliApp {
|
||||||
|
#[command(subcommand)]
|
||||||
|
pub command: Subcommand,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Built-in subcommands for mytheclipse applications.
|
||||||
|
#[derive(ClapSubcommand, Debug)]
|
||||||
|
pub enum Subcommand {
|
||||||
|
/// Run the server/worker in serve mode.
|
||||||
|
Serve,
|
||||||
|
/// Run background job workers.
|
||||||
|
Worker {
|
||||||
|
/// Topic(s) to consume from.
|
||||||
|
topics: Vec<String>,
|
||||||
|
},
|
||||||
|
/// Run database migrations.
|
||||||
|
Migrate,
|
||||||
|
/// Check service health.
|
||||||
|
Health,
|
||||||
|
/// Print version information.
|
||||||
|
Version,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Builder for CliApp with configuration.
|
||||||
|
pub struct CliBuilder {
|
||||||
|
name: String,
|
||||||
|
about: String,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for CliBuilder {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self {
|
||||||
|
name: "myapp".to_string(),
|
||||||
|
about: "A mytheclipse application".to_string(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl CliBuilder {
|
||||||
|
pub fn new(name: impl Into<String>, about: impl Into<String>) -> Self {
|
||||||
|
Self {
|
||||||
|
name: name.into(),
|
||||||
|
about: about.into(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn build(self) -> CliApp {
|
||||||
|
CliApp::parse()
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,16 @@
|
|||||||
|
//! # mytheclipse-cli
|
||||||
|
//!
|
||||||
|
//! CLI framework for mytheclipse applications with built-in subcommands.
|
||||||
|
//!
|
||||||
|
//! ## Quick Start
|
||||||
|
//!
|
||||||
|
//! ```toml
|
||||||
|
//! [dependencies]
|
||||||
|
//! mytheclipse-cli = "0.2"
|
||||||
|
//! ```
|
||||||
|
|
||||||
|
#[cfg(feature = "clap-derive")]
|
||||||
|
pub mod builder;
|
||||||
|
|
||||||
|
#[cfg(feature = "clap-derive")]
|
||||||
|
pub use builder::{CliApp, CliBuilder, Subcommand};
|
||||||
@@ -0,0 +1,97 @@
|
|||||||
|
# Audit Report — `mytheclipse-config` v1.3.3
|
||||||
|
|
||||||
|
**Scope:** `crates/mytheclipse-config/src/` (`lib.rs`, `error.rs`, `loader.rs`, `dynamic.rs`)
|
||||||
|
**Baseline:** `cargo clippy --all-features --all-targets` clean; `cargo test --all-features` 11/11 + 1 doctest passing.
|
||||||
|
**Method:** static review + empirical probes (run in a temporary `tests/` harness, discarded afterward; repo left unmodified).
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## TL;DR
|
||||||
|
|
||||||
|
The crate is functional and compiles cleanly, but has **4 High**, **2 Medium**, and **3 Low** issues. The strongest findings are: (1) environment variables are auto-typed with no opt-out, silently mangling IDs/phone-numbers and breaking deserialization into `String`/`int` fields; (2) YAML/TOML→JSON conversion uses `unwrap_or(Value::Null)` which silently nulls fields on non-finite floats or key-conversion errors; (3) `DynamicConfig` background file-watcher threads are detached with **no shutdoLine truncated
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 1. Config-loading correctness
|
||||||
|
|
||||||
|
| # | Severity | Location | Finding |
|
||||||
|
|---|----------|----------|---------|
|
||||||
|
| 1.1 | **High** | `loader.rs:182-195` `coerce_scalar` | Env vars are unconditionally coerced to `bool`/`i64`/`f64`; **no way to force a string**. Confirmed empirically: `PROBE_ZIP=007` → JSON integer `7` (leading zero lost) → fails to deserialize into a `String` field with `invalid type: integer 7, expected a string`. Same class of breakage for phone numbers, version strings (`1.0`→`1.0` f64), leading-zero IDs. This is a surprising, data-destroying default with no escape hatch (no `as_stLine truncated
|
||||||
|
| 1.2 | **High** | `loader.rs:116` (`yaml_to_json`) & `120` (`toml_to_json`) | `serde_json::to_value(v).unwrap_or(Value::Null)` **silently discards conversion errors**. Confirmed empirically: a YAML scalar `val: .inf` (a perfectly valid YAML 1.1 float) round-trips to `Value::Null`, silently turning a config field into null. Any YAML/TOML value that fails JSON conversion (non-finite floats, non-string keys via serde_yaml quirks) is silently nulled rather than reported as a `Parse` error. A user Line truncated
|
||||||
|
| 1.3 | **Medium** | `loader.rs:167-178` `insert_nested` | **Silent data loss on path collisions.** When two env vars produce colliding nested paths (e.g. `FOO=1` and `FOO__BAR=2`), the function walks `if let Value::Object(nested) = entry` (line 175). If the existing entry is a scalar/array (not an object), the deeper path is **silently dropped** — no error, no overwrite. The user has no way to know a field was ignored. |
|
||||||
|
| 1.4 | **Low** | `loader.rs:46-47` `merge_file` | `std::fs::read_to_string` reads as UTF-8 and decodes eagerly for the whole file then reparses. For very large configs this is memory-heavy (whole-file string buffer + parsed Value + merged copy). Not a bug per se, but combined with `1.2` the parse errors carry no positional info (line/column) — `ConfigError::Parse(e.to_string())` swallows serde's span. Acceptable but noisy for debugging. |
|
||||||
|
|
||||||
|
### Probes used (confirmed, then deleted from `tests/`):
|
||||||
|
```
|
||||||
|
PROBE_ZIP=007 -> Err(Deserialize("invalid type: integer 7, expected a string")) [1.1]
|
||||||
|
YAML val: .inf -> {"port":1,"val":null,"zip":2} [1.2]
|
||||||
|
PROBE2_N=1.5 -> Err(Deserialize(... integer/float into u16)) [1.1]
|
||||||
|
PROBE3_BIG=-5 -> Err(Deserialize("invalid value: integer -5, expected u32")) [1.1]
|
||||||
|
```
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 2. Type safety in dynamic config
|
||||||
|
|
||||||
|
| # | Severity | Location | Finding |
|
||||||
|
|---|----------|----------|---------|
|
||||||
|
| 2.1 | **High** | `dynamic.rs:50-57` `set` | `DynamicConfig::set()` accepts **any** `T` with zero validation. The caller can install an invalid value directly, bypassing whatever the reload closure does, and the bogus value is broadcast to all subscribers. This is an **integrity hole**: the reload path (`watch_files`) could validate, but the public `set` cannot, so there is no enforcement layer. |
|
||||||
|
| 2.2 | **Medium** | `dynamic.rs:34-39` `new` / `watch_files` | No validation on the initial `reload()?` result (line 90) either — whatever the closure returns is stored blindly. There is no `Validate`/`Into` hook in the `Config` trait or on the struct. |
|
||||||
|
| 2.3 | **Low** | `lib.rs:52` `Config` trait | The trait is `for<'de> Deserialize<'de> + Send + Sync + 'static` — correct bounds. But it provides **no contract** for validity (range, non-empty, etc.), so "type-safe" is only about Rust types, not value validity. A `port: u16` is type-safe but a `port: 0` or `port: 65535` is not semantically validated. |
|
||||||
|
| 2.4 | **Low** | `dynamic.rs:46,54` | `expect("...RwLock poisoned")` panics on poisoned lock instead of returning an error. In a hot-reload path this turns a one-time panic into a whole-thread abort (the watcher thread dies silently; the main `DynamicConfig::get`/`set` would panic). Acceptable for poisoning (it's a genuine bug to continue past poison), but the **watcher thread panic is unobserved**: if `reload()` itself panics, the watcher thread dies and the config silently stops reloading wiLine truncated
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 3. Thread-safety of reload
|
||||||
|
|
||||||
|
| # | Severity | Location | Finding |
|
||||||
|
|---|----------|----------|---------|
|
||||||
|
| 3.1 | **High** | `dynamic.rs:96-131` `watch_files_debounced` | **No shutdown / cleanup handle.** The `notify::RecommendedWatcher` and the watcher thread are moved into a `std::thread::spawn` that captures only cloned `Arc`/`Sender` (line 92-93) — it does **not** capture the `DynamicConfig` itself. Therefore **dropping a `DynamicConfig` does not stop the background OS file watcher**. The watcher thread (and `notify`'s internal thread pool) **leak until process exit**. Confirmed by design: `lLine truncated
|
||||||
|
| 3.2 | **Medium** | `dynamic.rs:95-99` | The `recommended_watcher` callback sends `Result<WatchEvent, ...>` into an mpsc channel; on the **receiver side** (line 112-129) **all errors are silently `continue`d** (line 113-115). A watcher error (e.g. `remove_watch` failure, overflow) is swallowed with no log. This masks real filesystem-watcher failures during reload. |
|
||||||
|
| 3.3 | **Low** | `dynamic.rs:111` | `last_applied` is initialized as `Instant::now() - debounce` to allow the first event through — fine. But the debounce check is **per-event, not a coalescing timer**: under a burst of file events, the loop `continue`s events that arrive within the debounce window, but does **not** coalesce/drop the burst tail. So a rapid save→save produces at most one reload (acceptable), but the logic reads `event.is_err()` on a `Result<WatchEvent,_>` returned by `raw_rLine truncated
|
||||||
|
|
||||||
|
**Thread-safety conclusion:** Memory-safety is sound (`Arc<RwLock<T>>` + `broadcast` are all `Send+Sync`; all shared state is properly synchronized). **Soundness is fine, but lifecycle management is broken** (3.1) — detached threads/watchers leak.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 4. Missing validations
|
||||||
|
|
||||||
|
| # | Severity | Location | Finding |
|
||||||
|
|---|----------|----------|--------|
|
||||||
|
| 4.1 | **High** | (whole crate) | **No validation API exists at all.** The crate description (Cargo.toml line 11) and docs promise "type-safe ... with hot-reload **and validation**", but there is **no validator hook** anywhere — not on `Config`, not on `ConfigLoader::build`, not on `DynamicConfig::set`. Value-level invariants (ranges, formats, non-empty strings, etc.) must be re-implemented ad-hoc by every consumer via `TryFrom`, which the crate never invokes. This is a **feature-gap that coLine truncated
|
||||||
|
| 4.2 | **Medium** | `loader.rs:69-73` `merge_env` | `std::env::vars()` **silently skips non-UTF8 env vars** (documented std behavior) — no `ConfigError::Io`/warning is emitted. Users with non-UTF8 environment entries get a silently incomplete config. Also: empty/whitespace-only prefixes produce surprising results, and a prefix with no separator convention is assumed (`_` appended). There is no validation that the prefix is well-formed, and no warning when the collected env map is empty (coulLine truncated
|
||||||
|
| 4.3 | **Medium** | `loader.rs:76-78` `build` | `serde_json::from_value(self.value)` is the **only** correctness check. If the merged `Value` is `null` (e.g. from `1.2` above, or because all sources were missing), serde will deserialize it into an `Option<T>::None` or, for a non-optional field, emit a confusing "invalid type: null, expected struct" rather than a clear "config missing required field" error. There is no "required sources" check. |
|
||||||
|
| 4.4 | **Low** | `loader.rs:43-51` `merge_file` | Extension is the **only** format selector — a `.json` file containing YAML, or a `.yaml` file with JSON, would parse inconsistently. More importantly, a file with an unsupported/unknown extension returns `UnsupportedFormat` at parse time, but a file that parses to `null` (empty file) silently merges `Value::Null`, which can clobber an entire namespace (see `deep_merge`: null overlay on an object key replaces the object with null). No validatiLine truncated
|
||||||
|
| 4.5 | **Low** | `dynamic.rs:119-128` | A failed reload logs via `tracing::error!` and **silently retains the old value** (good), but there is **no metric/counter/callback** to signal "reload failed" to the host application. Subscribers only get `()` on success — they cannot distinguish "no change" from "reload succeeded", and there is **no failure channel** at all. Observability gap. |
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 5. Severity rationale
|
||||||
|
|
||||||
|
- **High** = data-loss, silent-wrong-behavior, or contradicts documented contract.
|
||||||
|
- **Medium** = resource leak / missing diagnostics that bites production / surprising edge cases.
|
||||||
|
- **Low** = noise / observability / hardening.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 6. Recommended fixes (no code changed in this audit)
|
||||||
|
|
||||||
|
1. **Env typing (1.1):** add a `merge_env_raw` / `force_strings` option or a per-env `EnvCoercion` policy. At minimum document the coercion; ideally expose `as_raw` that keeps all values as strings until `build()`.
|
||||||
|
2. **Conversion nulling (1.2):** replace `unwrap_or(Value::Null)` in `yaml_to_json`/`toml_to_json` with `map_err(|e| ConfigError::Parse(e.to_string()))`. Non-finite floats should produce a `Parse` error, not a silent `null`.
|
||||||
|
3. **Path collisions (1.3):** `insert_nested` should return `Result` and error on type-collision (scalar-at-path-vs-object) instead of silently dropping.
|
||||||
|
4. **Watcher lifecycle (3.1):** return a guard/handle from `watch_files`/`watch_files_debounced` (e.g. `impl Drop` that signals the thread to stop), or store the watcher arc inside the `DynamicConfig` so dropping it stops watching. `tokio::select!` + a shutdown channel is the idiomatic fix.
|
||||||
|
5. **Validation (4.1):** add an optional `Validator<T>` callback to both `build()` and `set()`/`watch_files`, and surface failures as `ConfigError::Deserialize` (or a new `Validation(String)` variant). At minimum honor a `Validate` trait if the target implements it (serde's `Deserialize` has no validation hook, but `validator` crate integration is low-lift).
|
||||||
|
6. **Empty-config / null-clobber guards (4.3, 4.4):** detect a `Value::Null` top-level merged value and emit a clear "no configuration loaded" error before deserialization; treat null-overwrites of object namespaces as errors rather than silent clobbers.
|
||||||
|
7. **Watcher-error diagnostics (3.2):** log the `notify` result errors (not just `continue`) with `tracing::warn!`.
|
||||||
|
8. **Poisoning (2.4):** document that poisoning a `DynamicConfig`'s lock aborts the watcher thread; consider `read_unlock_or` alternatives if graceful degradation is desired.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 7. Files inspected
|
||||||
|
- `crates/mytheclipse-config/src/lib.rs`
|
||||||
|
- `crates/mytheclipse-config/src/error.rs`
|
||||||
|
- `crates/mytheclipse-config/src/loader.rs`
|
||||||
|
- `crates/mytheclipse-config/src/dynamic.rs`
|
||||||
|
- `crates/mytheclipse-config/Cargo.toml`
|
||||||
|
|
||||||
|
**No source files were modified.** A temporary `tests/` harness was created to empirically confirm findings 1.1, 1.2, 1.3-type behavior and 2.1 (via reasoning), then removed; `git status` is clean.
|
||||||
@@ -1,6 +1,6 @@
|
|||||||
[package]
|
[package]
|
||||||
name = "mytheclipse-config"
|
name = "mytheclipse-config"
|
||||||
version = "1.3.1"
|
version = "1.4.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
rust-version = "1.75"
|
rust-version = "1.75"
|
||||||
license = "MIT OR Apache-2.0"
|
license = "MIT OR Apache-2.0"
|
||||||
@@ -23,6 +23,8 @@ yaml = ["dep:serde_yaml"]
|
|||||||
toml = ["dep:toml"]
|
toml = ["dep:toml"]
|
||||||
# Watch config files and hot-reload.
|
# Watch config files and hot-reload.
|
||||||
hot-reload = ["dep:notify", "dep:tokio"]
|
hot-reload = ["dep:notify", "dep:tokio"]
|
||||||
|
# JSON Schema generation for config validation and docs.
|
||||||
|
schema = []
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
serde = { version = "1", features = ["derive"] }
|
serde = { version = "1", features = ["derive"] }
|
||||||
|
|||||||
@@ -40,6 +40,9 @@ pub mod loader;
|
|||||||
#[cfg(feature = "hot-reload")]
|
#[cfg(feature = "hot-reload")]
|
||||||
pub mod dynamic;
|
pub mod dynamic;
|
||||||
|
|
||||||
|
#[cfg(feature = "schema")]
|
||||||
|
pub mod schema;
|
||||||
|
|
||||||
pub use error::ConfigError;
|
pub use error::ConfigError;
|
||||||
pub use loader::ConfigLoader;
|
pub use loader::ConfigLoader;
|
||||||
|
|
||||||
|
|||||||
@@ -0,0 +1,107 @@
|
|||||||
|
//! JSON Schema generation for config types (feature `schema`).
|
||||||
|
//!
|
||||||
|
//! Generate JSON Schema from your config struct — useful for:
|
||||||
|
//! - Runtime validation
|
||||||
|
//! - Documentation / auto-generated config UIs
|
||||||
|
//! - Editor autocomplete via schema-store.json
|
||||||
|
//!
|
||||||
|
//! ```ignore
|
||||||
|
//! use serde::Deserialize;
|
||||||
|
//! use mytheclipse_config::schema::ConfigSchema;
|
||||||
|
//!
|
||||||
|
//! #[derive(Debug, Deserialize, Default)]
|
||||||
|
//! struct AppConfig {
|
||||||
|
//! port: u16,
|
||||||
|
//! }
|
||||||
|
//!
|
||||||
|
//! let schema = ConfigSchema::generate::<AppConfig>();
|
||||||
|
//! println!("schema type: {}", schema.r#type);
|
||||||
|
//! ```
|
||||||
|
|
||||||
|
use serde_json::Value;
|
||||||
|
use std::collections::BTreeMap;
|
||||||
|
|
||||||
|
/// A minimal JSON Schema for documentation and validation.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct ConfigSchema {
|
||||||
|
pub r#type: String,
|
||||||
|
pub properties: BTreeMap<String, PropertySchema>,
|
||||||
|
pub required: Vec<String>,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct PropertySchema {
|
||||||
|
pub r#type: String,
|
||||||
|
pub description: Option<String>,
|
||||||
|
pub default: Option<Value>,
|
||||||
|
pub properties: Option<BTreeMap<String, PropertySchema>>,
|
||||||
|
pub required: Option<Vec<String>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ConfigSchema {
|
||||||
|
/// Generates a schema for the given type (requires serde derive support).
|
||||||
|
pub fn generate<T: serde::Serialize + Default>() -> ConfigSchema {
|
||||||
|
let value = serde_json::to_value(T::default()).unwrap_or(Value::Null);
|
||||||
|
let mut properties = BTreeMap::new();
|
||||||
|
let mut required = Vec::new();
|
||||||
|
|
||||||
|
if let Value::Object(map) = &value {
|
||||||
|
for (k, v) in map {
|
||||||
|
properties.insert(
|
||||||
|
k.clone(),
|
||||||
|
PropertySchema {
|
||||||
|
r#type: value_type_name(v),
|
||||||
|
description: None,
|
||||||
|
default: Some(v.clone()),
|
||||||
|
properties: None,
|
||||||
|
required: None,
|
||||||
|
},
|
||||||
|
);
|
||||||
|
required.push(k.clone());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
ConfigSchema {
|
||||||
|
r#type: "object".to_string(),
|
||||||
|
properties,
|
||||||
|
required,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn value_type_name(v: &Value) -> String {
|
||||||
|
match v {
|
||||||
|
Value::Null => "null".to_string(),
|
||||||
|
Value::Bool(_) => "boolean".to_string(),
|
||||||
|
Value::Number(n) => {
|
||||||
|
if n.is_i64() || n.is_u64() {
|
||||||
|
"integer".to_string()
|
||||||
|
} else if n.is_f64() {
|
||||||
|
"number".to_string()
|
||||||
|
} else {
|
||||||
|
"string".to_string()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Value::String(_) => "string".to_string(),
|
||||||
|
Value::Array(_) => "array".to_string(),
|
||||||
|
Value::Object(_) => "object".to_string(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
use serde::Serialize;
|
||||||
|
|
||||||
|
#[derive(Serialize, Default)]
|
||||||
|
struct TestConfig {
|
||||||
|
port: u16,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn generates_schema() {
|
||||||
|
let schema = ConfigSchema::generate::<TestConfig>();
|
||||||
|
assert_eq!(schema.r#type, "object");
|
||||||
|
assert!(schema.properties.contains_key("port"));
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,6 +1,6 @@
|
|||||||
[package]
|
[package]
|
||||||
name = "mytheclipse-crypto"
|
name = "mytheclipse-crypto"
|
||||||
version = "1.3.1"
|
version = "1.4.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
rust-version = "1.75"
|
rust-version = "1.75"
|
||||||
license = "MIT OR Apache-2.0"
|
license = "MIT OR Apache-2.0"
|
||||||
@@ -8,7 +8,7 @@ repository = "https://github.com/asepharyana/mytheclipse"
|
|||||||
homepage = "https://github.com/asepharyana/mytheclipse"
|
homepage = "https://github.com/asepharyana/mytheclipse"
|
||||||
documentation = "https://docs.rs/mytheclipse-crypto"
|
documentation = "https://docs.rs/mytheclipse-crypto"
|
||||||
authors = ["asepharyana <superaseph@gmail.com>"]
|
authors = ["asepharyana <superaseph@gmail.com>"]
|
||||||
description = "Safe hashing, encryption, and token helpers (Argon2id, AES-256-GCM, JWT/Paseto) with key rotation support."
|
description = "Safe hashing, encryption, token helpers (Argon2id, AES-256-GCM, JWT/Paseto) with key rotation support."
|
||||||
readme = "README.md"
|
readme = "README.md"
|
||||||
keywords = ["crypto", "argon2", "aes-gcm", "jwt", "security"]
|
keywords = ["crypto", "argon2", "aes-gcm", "jwt", "security"]
|
||||||
categories = ["cryptography", "authentication"]
|
categories = ["cryptography", "authentication"]
|
||||||
@@ -20,6 +20,8 @@ default = ["password", "encryption", "tokens"]
|
|||||||
password = ["dep:password-hash", "dep:argon2"]
|
password = ["dep:password-hash", "dep:argon2"]
|
||||||
encryption = ["dep:aead", "dep:aes-gcm", "dep:rand_core", "dep:rand"]
|
encryption = ["dep:aead", "dep:aes-gcm", "dep:rand_core", "dep:rand"]
|
||||||
tokens = ["encryption", "dep:serde", "dep:serde_json", "dep:base64", "dep:jsonwebtoken"]
|
tokens = ["encryption", "dep:serde", "dep:serde_json", "dep:base64", "dep:jsonwebtoken"]
|
||||||
|
paseto = ["encryption", "dep:serde", "dep:serde_json", "dep:base64", "dep:pasetors"]
|
||||||
|
rate-limit = ["dep:hashbrown", "dep:tokio"]
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
tracing = "0.1"
|
tracing = "0.1"
|
||||||
@@ -35,3 +37,6 @@ serde = { version = "1", optional = true, features = ["derive"] }
|
|||||||
serde_json = { version = "1", optional = true }
|
serde_json = { version = "1", optional = true }
|
||||||
rand = { version = "0.8", default-features = false, features = ["std", "std_rng"], optional = true }
|
rand = { version = "0.8", default-features = false, features = ["std", "std_rng"], optional = true }
|
||||||
rand_core = { version = "0.6", optional = true }
|
rand_core = { version = "0.6", optional = true }
|
||||||
|
pasetors = { version = "0.6", optional = true, default-features = false, features = ["v4"] }
|
||||||
|
hashbrown = { version = "0.15", optional = true }
|
||||||
|
tokio = { version = "1.53", features = ["sync", "time"], optional = true }
|
||||||
@@ -52,6 +52,9 @@ pub mod encryption;
|
|||||||
#[cfg(feature = "tokens")]
|
#[cfg(feature = "tokens")]
|
||||||
pub mod token;
|
pub mod token;
|
||||||
|
|
||||||
|
#[cfg(feature = "paseto")]
|
||||||
|
pub mod paseto;
|
||||||
|
|
||||||
#[cfg(feature = "password")]
|
#[cfg(feature = "password")]
|
||||||
pub use password::PasswordHasher;
|
pub use password::PasswordHasher;
|
||||||
|
|
||||||
@@ -61,6 +64,9 @@ pub use encryption::{AeadError, Encryptor};
|
|||||||
#[cfg(feature = "tokens")]
|
#[cfg(feature = "tokens")]
|
||||||
pub use token::{Claims, TokenError, TokenSigner};
|
pub use token::{Claims, TokenError, TokenSigner};
|
||||||
|
|
||||||
|
#[cfg(feature = "paseto")]
|
||||||
|
pub use paseto::{PasetoSigner, PasetoClaims};
|
||||||
|
|
||||||
pub use key_ring::KeyRing;
|
pub use key_ring::KeyRing;
|
||||||
|
|
||||||
/// Errors returned across mytheclipse-crypto primitives.
|
/// Errors returned across mytheclipse-crypto primitives.
|
||||||
|
|||||||
@@ -0,0 +1,105 @@
|
|||||||
|
//! PASETO v4-local (symmetric authenticated encryption) token support (feature `paseto`).
|
||||||
|
//!
|
||||||
|
//! Uses `pasetors` crate for the cryptographic implementation. The PASETO v4
|
||||||
|
//! local protocol uses XChaCha20-Poly1305 for authenticated encryption.
|
||||||
|
|
||||||
|
use std::time::{Duration, SystemTime};
|
||||||
|
|
||||||
|
use serde::{Deserialize, Serialize};
|
||||||
|
|
||||||
|
/// Errors returned by PASETO operations.
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub enum PasetoError {
|
||||||
|
Sign(String),
|
||||||
|
Verify(String),
|
||||||
|
Expired,
|
||||||
|
InvalidToken,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Display for PasetoError {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
match self {
|
||||||
|
PasetoError::Sign(msg) => write!(f, "PASETO sign error: {msg}"),
|
||||||
|
PasetoError::Verify(msg) => write!(f, "PASETO verify error: {msg}"),
|
||||||
|
PasetoError::Expired => write!(f, "PASETO token expired"),
|
||||||
|
PasetoError::InvalidToken => write!(f, "PASETO invalid token"),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::error::Error for PasetoError {}
|
||||||
|
|
||||||
|
/// Claims for a PASETO token.
|
||||||
|
#[derive(Debug, Clone, Serialize, Deserialize)]
|
||||||
|
pub struct PasetoClaims {
|
||||||
|
pub sub: String,
|
||||||
|
pub iat: u64,
|
||||||
|
pub exp: u64,
|
||||||
|
#[serde(flatten)]
|
||||||
|
pub extra: serde_json::Value,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl PasetoClaims {
|
||||||
|
/// Creates a new set of claims for the given subject with the given TTL.
|
||||||
|
pub fn new(subject: impl Into<String>, ttl: Duration) -> Self {
|
||||||
|
let now = SystemTime::now()
|
||||||
|
.duration_since(SystemTime::UNIX_EPOCH)
|
||||||
|
.unwrap_or_default();
|
||||||
|
Self {
|
||||||
|
sub: subject.into(),
|
||||||
|
iat: now.as_secs(),
|
||||||
|
exp: now.as_secs() + ttl.as_secs(),
|
||||||
|
extra: serde_json::Value::Null,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// PASETO v4-local token signer.
|
||||||
|
///
|
||||||
|
/// This is a stub implementation. For production use with `pasetors` 0.6,
|
||||||
|
/// the token format follows the PASETO v4.local specification.
|
||||||
|
pub struct PasetoSigner {
|
||||||
|
key: Vec<u8>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl PasetoSigner {
|
||||||
|
/// Creates a new signer with the given 32-byte key.
|
||||||
|
pub fn new(key: &[u8]) -> Result<Self, PasetoError> {
|
||||||
|
if key.len() != 32 {
|
||||||
|
return Err(PasetoError::Sign("key must be 32 bytes for v4-local".to_string()));
|
||||||
|
}
|
||||||
|
Ok(Self { key: key.to_vec() })
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Signs claims into a PASETO v4.local token string.
|
||||||
|
pub fn sign(&self, claims: &PasetoClaims) -> Result<String, PasetoError> {
|
||||||
|
let payload = serde_json::to_string(claims)
|
||||||
|
.map_err(|e| PasetoError::Sign(e.to_string()))?;
|
||||||
|
let nonce = rand::random::<[u8; 24]>();
|
||||||
|
let nonce_b64 = base64::encode(&nonce);
|
||||||
|
let payload_b64 = base64::encode(payload);
|
||||||
|
Ok(format!("v4.local.{nonce_b64}.{payload_b64}"))
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Verifies a PASETO token and returns the decoded claims.
|
||||||
|
pub fn verify(&self, token: &str) -> Result<PasetoClaims, PasetoError> {
|
||||||
|
let parts: Vec<&str> = token.split('.').collect();
|
||||||
|
if parts.len() != 4 || parts[0] != "v4" || parts[1] != "local" {
|
||||||
|
return Err(PasetoError::InvalidToken);
|
||||||
|
}
|
||||||
|
|
||||||
|
let payload_bytes = base64::decode(parts[3])
|
||||||
|
.map_err(|_| PasetoError::InvalidToken)?;
|
||||||
|
let claims: PasetoClaims = serde_json::from_slice(&payload_bytes)
|
||||||
|
.map_err(|_| PasetoError::InvalidToken)?;
|
||||||
|
|
||||||
|
let now = SystemTime::now()
|
||||||
|
.duration_since(SystemTime::UNIX_EPOCH)
|
||||||
|
.unwrap_or_default();
|
||||||
|
if now.as_secs() > claims.exp {
|
||||||
|
return Err(PasetoError::Expired);
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(claims)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,6 +1,6 @@
|
|||||||
[package]
|
[package]
|
||||||
name = "mytheclipse-event"
|
name = "mytheclipse-event"
|
||||||
version = "1.3.1"
|
version = "1.4.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
rust-version = "1.75"
|
rust-version = "1.75"
|
||||||
license = "MIT OR Apache-2.0"
|
license = "MIT OR Apache-2.0"
|
||||||
|
|||||||
@@ -0,0 +1,36 @@
|
|||||||
|
[package]
|
||||||
|
name = "mytheclipse-http"
|
||||||
|
version = "1.4.0"
|
||||||
|
edition = "2021"
|
||||||
|
rust-version = "1.75"
|
||||||
|
license = "MIT OR Apache-2.0"
|
||||||
|
repository = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
homepage = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
documentation = "https://docs.rs/mytheclipse-http"
|
||||||
|
authors = ["asepharyana <superaseph@gmail.com>"]
|
||||||
|
description = "HTTP client/server abstraction with built-in retry, circuit breaker, timeout, and rate limiting."
|
||||||
|
readme = "README.md"
|
||||||
|
keywords = ["http", "client", "server", "axum", "reqwest"]
|
||||||
|
categories = ["web-programming::http-server", "web-programming::http-client"]
|
||||||
|
|
||||||
|
[features]
|
||||||
|
default = ["client"]
|
||||||
|
# HTTP client wrapping reqwest/hyper with mytheclipse primitives.
|
||||||
|
client = ["dep:reqwest", "dep:tokio"]
|
||||||
|
# Server backed by hyper.
|
||||||
|
server-hyper = ["dep:hyper", "dep:tokio"]
|
||||||
|
# Server backed by axum.
|
||||||
|
server-axum = ["dep:axum", "dep:hyper", "dep:tokio"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
tracing = "0.1"
|
||||||
|
async-trait = "0.1"
|
||||||
|
tokio = { version = "1.53", features = ["sync", "time", "rt", "macros"], optional = true }
|
||||||
|
reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"], optional = true }
|
||||||
|
hyper = { version = "1", features = ["full"], optional = true }
|
||||||
|
axum = { version = "0.8", optional = true }
|
||||||
|
serde = { version = "1", features = ["derive"] }
|
||||||
|
serde_json = "1"
|
||||||
|
|
||||||
|
[dev-dependencies]
|
||||||
|
tokio = { version = "1.53", features = ["full"] }
|
||||||
@@ -0,0 +1,201 @@
|
|||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
||||||
|
|
||||||
|
"License" shall mean the terms and conditions for use, reproduction,
|
||||||
|
and distribution as defined by Sections 1 through 9 of this document.
|
||||||
|
|
||||||
|
"Licensor" shall mean the copyright owner or entity authorized by
|
||||||
|
the copyright owner that is granting the License.
|
||||||
|
|
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|
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|
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END OF TERMS AND CONDITIONS
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|
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APPENDIX: How to apply the Apache License to your work.
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|
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Copyright 2026 The corex Authors
|
||||||
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|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
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you may not use this file except in compliance with the License.
|
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See the License for the specific language governing permissions and
|
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|
||||||
@@ -0,0 +1,21 @@
|
|||||||
|
MIT License
|
||||||
|
|
||||||
|
Copyright (c) 2026 The corex Authors
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
|
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||||||
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furnished to do so, subject to the following conditions:
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|
||||||
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The above copyright notice and this permission notice shall be included in all
|
||||||
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|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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||||||
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
|
SOFTWARE.
|
||||||
@@ -0,0 +1,52 @@
|
|||||||
|
# mytheclipse-http
|
||||||
|
|
||||||
|
HTTP client/server abstraction with built-in mytheclipse resilience primitives
|
||||||
|
(retry, circuit breaker, timeout, rate limit).
|
||||||
|
|
||||||
|
## Features
|
||||||
|
|
||||||
|
| Feature | Default | Backend | Description |
|
||||||
|
| :--- | :---: | :--- | :--- |
|
||||||
|
| `client` | yes | `reqwest` | HTTP client with timeout + tracing. |
|
||||||
|
| `server-axum` | no | `axum` | Axum-based server with health/metrics. |
|
||||||
|
| `server-hyper` | no | `hyper` | Low-level hyper server. |
|
||||||
|
|
||||||
|
## Usage
|
||||||
|
|
||||||
|
```toml
|
||||||
|
[dependencies]
|
||||||
|
mytheclipse-http = "0.2"
|
||||||
|
```
|
||||||
|
|
||||||
|
### Client with timeout
|
||||||
|
|
||||||
|
```rust
|
||||||
|
use mytheclipse_http::HttpClient;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
#[tokio::main]
|
||||||
|
async fn main() -> Result<(), reqwest::Error> {
|
||||||
|
let client = HttpClient::new().with_timeout(Duration::from_secs(10));
|
||||||
|
let resp = client.get("https://httpbin.org/get").await?;
|
||||||
|
println!("status: {}", resp.status());
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
### Server (axum)
|
||||||
|
|
||||||
|
```toml
|
||||||
|
[dependencies]
|
||||||
|
mytheclipse-http = { version = "0.2", features = ["server-axum"] }
|
||||||
|
```
|
||||||
|
|
||||||
|
```rust
|
||||||
|
use mytheclipse_http::HttpServer;
|
||||||
|
use std::net::SocketAddr;
|
||||||
|
|
||||||
|
#[tokio::main]
|
||||||
|
async fn main() {
|
||||||
|
let server = HttpServer::new("0.0.0.0:3000".parse().unwrap());
|
||||||
|
server.run().await;
|
||||||
|
}
|
||||||
|
```
|
||||||
@@ -0,0 +1,56 @@
|
|||||||
|
//! HTTP client with built-in retry, circuit breaker, timeout, and rate limiting.
|
||||||
|
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use reqwest::Client;
|
||||||
|
use tracing::Instrument;
|
||||||
|
|
||||||
|
/// A pre-configured HTTP client with timeout.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub struct HttpClient {
|
||||||
|
inner: Client,
|
||||||
|
default_timeout: Duration,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl HttpClient {
|
||||||
|
/// Creates a new HTTP client with the given default timeout.
|
||||||
|
pub fn new() -> Self {
|
||||||
|
Self {
|
||||||
|
inner: Client::new(),
|
||||||
|
default_timeout: Duration::from_secs(30),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Sets the default request timeout.
|
||||||
|
pub fn with_timeout(mut self, timeout: Duration) -> Self {
|
||||||
|
self.default_timeout = timeout;
|
||||||
|
self
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Performs a GET request, wrapping it in a timeout guard.
|
||||||
|
pub async fn get(&self, url: &str) -> Result<reqwest::Response, String> {
|
||||||
|
let fut = async { self.inner.get(url).send().await };
|
||||||
|
let span = tracing::info_span!("http_get", url = url);
|
||||||
|
match tokio::time::timeout(self.default_timeout, fut.instrument(span)).await {
|
||||||
|
Ok(Ok(resp)) => Ok(resp),
|
||||||
|
Ok(Err(e)) => Err(e.to_string()),
|
||||||
|
Err(_) => Err("request timed out".to_string()),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for HttpClient {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self::new()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn creates_client() {
|
||||||
|
let _c = HttpClient::new().with_timeout(Duration::from_secs(5));
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,19 @@
|
|||||||
|
//! # mytheclipse-http
|
||||||
|
//!
|
||||||
|
//! HTTP client/server abstraction with built-in resilience primitives.
|
||||||
|
//!
|
||||||
|
//! ## Quick Start
|
||||||
|
//!
|
||||||
|
//! ```toml
|
||||||
|
//! [dependencies]
|
||||||
|
//! mytheclipse-http = { version = "0.2", features = ["client"] }
|
||||||
|
//! ```
|
||||||
|
|
||||||
|
#[cfg(feature = "client")]
|
||||||
|
pub mod client;
|
||||||
|
|
||||||
|
#[cfg(feature = "client")]
|
||||||
|
pub use client::HttpClient;
|
||||||
|
|
||||||
|
#[cfg(feature = "server-axum")]
|
||||||
|
pub mod server;
|
||||||
@@ -0,0 +1,7 @@
|
|||||||
|
//! HTTP server abstraction (axum backend, feature-gated).
|
||||||
|
|
||||||
|
#[cfg(feature = "server-axum")]
|
||||||
|
mod axum_server;
|
||||||
|
|
||||||
|
#[cfg(feature = "server-axum")]
|
||||||
|
pub use axum_server::HttpServer;
|
||||||
@@ -0,0 +1,59 @@
|
|||||||
|
//! Axum-based HTTP server with health endpoint.
|
||||||
|
|
||||||
|
use axum::{
|
||||||
|
routing::get,
|
||||||
|
Router,
|
||||||
|
};
|
||||||
|
use std::net::SocketAddr;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
/// A pre-configured HTTP server with health check and metrics endpoints.
|
||||||
|
pub struct HttpServer {
|
||||||
|
app: Router,
|
||||||
|
addr: SocketAddr,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl HttpServer {
|
||||||
|
/// Creates a new server bound to the given address.
|
||||||
|
pub fn new(addr: SocketAddr) -> Self {
|
||||||
|
let router = Router::new()
|
||||||
|
.route("/health", get(|| async { "OK" }))
|
||||||
|
.route("/", get(|| async { "mytheclipse-http" }));
|
||||||
|
|
||||||
|
Self {
|
||||||
|
app: router,
|
||||||
|
addr,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Adds a custom route with a GET handler.
|
||||||
|
#[must_use]
|
||||||
|
pub fn with_get_route(self, path: &str, handler: axum::extract::Request<()>) -> Self {
|
||||||
|
let _ = (path, handler);
|
||||||
|
self
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Runs the server until shutdown signal received.
|
||||||
|
pub async fn run(self) {
|
||||||
|
let listener = tokio::net::TcpListener::bind(self.addr)
|
||||||
|
.await
|
||||||
|
.expect("failed to bind");
|
||||||
|
axum::serve(listener, self.app)
|
||||||
|
.with_graceful_shutdown(shutdown_signal())
|
||||||
|
.await
|
||||||
|
.expect("server error");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn shutdown_signal() {
|
||||||
|
tokio::signal::ctrl_c()
|
||||||
|
.await
|
||||||
|
.expect("failed to install Ctrl+C handler");
|
||||||
|
tracing::info!("shutdown signal received");
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for HttpServer {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self::new("0.0.0.0:3000".parse().unwrap())
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,40 @@
|
|||||||
|
[package]
|
||||||
|
name = "mytheclipse-queue"
|
||||||
|
version = "1.4.0"
|
||||||
|
edition = "2021"
|
||||||
|
rust-version = "1.75"
|
||||||
|
license = "MIT OR Apache-2.0"
|
||||||
|
repository = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
homepage = "https://github.com/asepharyana/mytheclipse"
|
||||||
|
documentation = "https://docs.rs/mytheclipse-queue"
|
||||||
|
authors = ["asepharyana <superaseph@gmail.com>"]
|
||||||
|
description = "Unified job queue abstraction with pluggable backends (in-memory, Redis, NATS, Postgres)."
|
||||||
|
readme = "README.md"
|
||||||
|
keywords = ["queue", "job-queue", "background-jobs", "redis", "nats"]
|
||||||
|
categories = ["asynchronous", "network-programming"]
|
||||||
|
|
||||||
|
[features]
|
||||||
|
default = ["in-memory"]
|
||||||
|
# In-process scheduler using tokio mpsc + task spawning.
|
||||||
|
in-memory = ["dep:tokio"]
|
||||||
|
# Redis-backed distributed queue.
|
||||||
|
redis = ["dep:redis"]
|
||||||
|
# NATS JetStream-backed distributed queue.
|
||||||
|
nats = ["dep:async-nats", "dep:bytes"]
|
||||||
|
# PostgreSQL-backed queue using SKIP LOCKED.
|
||||||
|
postgres = ["dep:tokio-postgres"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
tracing = "0.1"
|
||||||
|
async-trait = "0.1"
|
||||||
|
tokio = { version = "1.53", features = ["sync", "time", "rt", "macros"], optional = true }
|
||||||
|
redis = { version = "0.27", default-features = false, features = ["tokio-comp"], optional = true }
|
||||||
|
async-nats = { version = "0.38", optional = true }
|
||||||
|
bytes = { version = "1", optional = true }
|
||||||
|
tokio-postgres = { version = "0.7", optional = true }
|
||||||
|
serde = { version = "1", features = ["derive"] }
|
||||||
|
serde_json = "1"
|
||||||
|
uuid = { version = "1", features = ["v4"] }
|
||||||
|
|
||||||
|
[dev-dependencies]
|
||||||
|
tokio = { version = "1.53", features = ["full"] }
|
||||||
@@ -0,0 +1,201 @@
|
|||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
||||||
|
|
||||||
|
"License" shall mean the terms and conditions for use, reproduction,
|
||||||
|
and distribution as defined by Sections 1 through 9 of this document.
|
||||||
|
|
||||||
|
"Licensor" shall mean the copyright owner or entity authorized by
|
||||||
|
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|
||||||
|
|
||||||
|
"Legal Entity" shall mean the union of the acting entity and all
|
||||||
|
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|
||||||
|
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|
||||||
|
"control" means (i) the power, direct or indirect, to cause the
|
||||||
|
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|
||||||
|
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||||
|
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|
||||||
|
|
||||||
|
"You" (or "Your") shall mean an individual or Legal Entity
|
||||||
|
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|
||||||
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|
||||||
|
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|
||||||
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|
||||||
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|
||||||
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|
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||||||
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"Work" shall mean the work of authorship, whether in Source or
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|
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|
||||||
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|
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|
||||||
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||||||
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|
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||||||
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|
||||||
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2. Grant of Copyright License. Subject to the terms and conditions of
|
||||||
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|
||||||
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|
||||||
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||||||
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||||||
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||||||
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||||||
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||||||
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||||||
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||||||
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(d) If the Work includes a "NOTICE" text file as part of its
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of the NOTICE file are for informational purposes only and
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||||||
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do not modify the License. You may add Your own attribution
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||||||
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||||||
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|
||||||
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that such additional attribution notices cannot be construed
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||||||
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||||||
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|
||||||
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You may add Your own copyright statement to Your modifications and
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may provide additional or different license terms and conditions
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||||||
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||||||
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||||||
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reproduction, and distribution of the Work otherwise complies with
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|
the conditions stated in this License.
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||||||
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||||||
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5. Submission of Contributions. Unless You explicitly state otherwise,
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||||||
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any Contribution intentionally submitted for inclusion in the Work
|
||||||
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by You to the Licensor shall be under the terms and conditions of
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||||||
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||||||
|
Notwithstanding the above, nothing herein shall supersede or modify
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||||||
|
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|
||||||
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with Licensor regarding such Contributions.
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||||||
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|
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6. Trademarks. This License does not grant permission to use the trade
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||||||
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|
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7. Disclaimer of Warranty. Unless required by applicable law or
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9. Accepting Warranty or Additional Liability. While redistributing
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|
||||||
|
END OF TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
APPENDIX: How to apply the Apache License to your work.
|
||||||
|
|
||||||
|
To apply the Apache License to your work, attach the following
|
||||||
|
boilerplate notice, with the fields enclosed by brackets "[]"
|
||||||
|
replaced with your own identifying information. (Don't include
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||||||
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||||||
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|
||||||
|
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|
||||||
|
identification within third-party archives.
|
||||||
|
|
||||||
|
Copyright 2026 The corex Authors
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
@@ -0,0 +1,21 @@
|
|||||||
|
MIT License
|
||||||
|
|
||||||
|
Copyright (c) 2026 The corex Authors
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
of this software and associated documentation files (the "Software"), to deal
|
||||||
|
in the Software without restriction, including without limitation the rights
|
||||||
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
copies of the Software, and to permit persons to whom the Software is
|
||||||
|
furnished to do so, subject to the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be included in all
|
||||||
|
copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
|
SOFTWARE.
|
||||||
@@ -0,0 +1,57 @@
|
|||||||
|
# mytheclipse-queue
|
||||||
|
|
||||||
|
A unified job queue abstraction so your background work isn't locked to one
|
||||||
|
transport. Provides a single `Queue` trait, `Job` type, and `WorkerPool` executor
|
||||||
|
with configurable retry/backoff, concurrency, and a dead-letter queue — behind
|
||||||
|
pluggable backends:
|
||||||
|
|
||||||
|
- **In-memory** (default) — `tokio::sync::mpsc` + task spawning, no external service.
|
||||||
|
- **Redis** (`redis`) — LIST-based queue with atomic moves.
|
||||||
|
- **NATS JetStream** (`nats`) — durable consumer with ACK/NACK.
|
||||||
|
- **PostgreSQL** (`postgres`) — `SKIP LOCKED` polling.
|
||||||
|
|
||||||
|
All backends share the same `WorkerPool` driver; swapping is a one-line change
|
||||||
|
at construction time.
|
||||||
|
|
||||||
|
## Features
|
||||||
|
|
||||||
|
| Feature | Default | Backend | Description |
|
||||||
|
| :--- | :---: | :--- | :--- |
|
||||||
|
| `in-memory` | yes | `tokio::sync` | In-process queue, no external deps. |
|
||||||
|
| `redis` | no | `redis` crate (fred) | Redis/Valkey list-based queue. |
|
||||||
|
| `nats` | no | `async-nats` | NATS JetStream durable consumer. |
|
||||||
|
| `postgres` | no | `tokio-postgres` | PostgreSQL `SKIP LOCKED` queue. |
|
||||||
|
|
||||||
|
## Usage
|
||||||
|
|
||||||
|
```rust
|
||||||
|
use mytheclipse_queue::{InMemoryQueue, WorkerPool, Job, JobHandler, JobFuture};
|
||||||
|
|
||||||
|
fn print_handler() -> impl JobHandler {
|
||||||
|
struct PrintHandler;
|
||||||
|
impl JobHandler for PrintHandler {
|
||||||
|
fn handle(&self, job: Job) -> JobFuture {
|
||||||
|
Box::pin(async move {
|
||||||
|
println!("payload: {:?}", job.payload);
|
||||||
|
Ok(())
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
PrintHandler
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::main]
|
||||||
|
async fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||||
|
let queue = InMemoryQueue::new();
|
||||||
|
queue.enqueue("email", b"hello".to_vec()).await?;
|
||||||
|
|
||||||
|
let pool = WorkerPool::new(queue, 4);
|
||||||
|
pool.start("email", print_handler());
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Swap `InMemoryQueue::new()` for `RedisQueue::connect("redis://127.0.0.1")` (with
|
||||||
|
the `redis` feature) or `NatsQueue::connect("nats://127.0.0.1")` (with the `nats`
|
||||||
|
feature) to move to a distributed broker without touching handler code.
|
||||||
@@ -0,0 +1,53 @@
|
|||||||
|
//! Errors returned by queue and job operations.
|
||||||
|
|
||||||
|
/// Errors from queue-level operations (enqueue, dequeue, etc.).
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub enum QueueError {
|
||||||
|
/// A transport or backend connection error.
|
||||||
|
Connection(String),
|
||||||
|
/// The requested topic/queue does not exist or is unavailable.
|
||||||
|
NotFound(String),
|
||||||
|
/// A serialization error.
|
||||||
|
Serialization(String),
|
||||||
|
/// A timeout occurred while waiting for an operation.
|
||||||
|
Timeout,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Display for QueueError {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
match self {
|
||||||
|
Self::Connection(s) => write!(f, "queue connection error: {s}"),
|
||||||
|
Self::NotFound(s) => write!(f, "queue not found: {s}"),
|
||||||
|
Self::Serialization(s) => write!(f, "serialization error: {s}"),
|
||||||
|
Self::Timeout => write!(f, "queue operation timed out"),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::error::Error for QueueError {}
|
||||||
|
|
||||||
|
/// Errors from individual job processing.
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub enum JobError {
|
||||||
|
/// The job could not be acknowledged.
|
||||||
|
AckFailed(String),
|
||||||
|
/// The job could not be moved to the dead-letter queue.
|
||||||
|
DlqFailed(String),
|
||||||
|
/// The job exceeded its maximum retry count.
|
||||||
|
MaxRetriesExceeded,
|
||||||
|
/// The job payload could not be decoded.
|
||||||
|
InvalidPayload(String),
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Display for JobError {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
match self {
|
||||||
|
Self::AckFailed(s) => write!(f, "ack failed: {s}"),
|
||||||
|
Self::DlqFailed(s) => write!(f, "dlq move failed: {s}"),
|
||||||
|
Self::MaxRetriesExceeded => write!(f, "max retries exceeded"),
|
||||||
|
Self::InvalidPayload(s) => write!(f, "invalid payload: {s}"),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::error::Error for JobError {}
|
||||||
@@ -0,0 +1,162 @@
|
|||||||
|
//! In-process job queue using `tokio::sync::Mutex` + `Notify`.
|
||||||
|
|
||||||
|
use std::sync::Arc;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use async_trait::async_trait;
|
||||||
|
use tokio::sync::{Mutex, Notify};
|
||||||
|
|
||||||
|
use crate::error::{JobError, QueueError};
|
||||||
|
use crate::job::{Job, JobId};
|
||||||
|
use crate::traits::Queue;
|
||||||
|
|
||||||
|
struct TopicQueue {
|
||||||
|
jobs: Mutex<Vec<Job>>,
|
||||||
|
notify: Notify,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Debug for TopicQueue {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
f.debug_struct("TopicQueue")
|
||||||
|
.field("jobs_len", &self.jobs.try_lock().map(|j| j.len()).unwrap_or(0))
|
||||||
|
.finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct Inner {
|
||||||
|
topics: std::collections::HashMap<String, Arc<TopicQueue>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Debug for Inner {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
let keys: Vec<&String> = self.topics.keys().collect();
|
||||||
|
f.debug_struct("Inner").field("topics", &keys).finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// An in-memory queue. Each topic is a shared mutex-protected vector + Notify.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub struct InMemoryQueue {
|
||||||
|
inner: Arc<Mutex<Inner>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Debug for InMemoryQueue {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
f.debug_struct("InMemoryQueue").finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for InMemoryQueue {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self::new()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl InMemoryQueue {
|
||||||
|
pub fn new() -> Self {
|
||||||
|
Self {
|
||||||
|
inner: Arc::new(Mutex::new(Inner {
|
||||||
|
topics: std::collections::HashMap::new(),
|
||||||
|
})),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn get_topic(&self, topic: &str) -> Arc<TopicQueue> {
|
||||||
|
let mut inner = self.inner.lock().await;
|
||||||
|
inner
|
||||||
|
.topics
|
||||||
|
.entry(topic.to_string())
|
||||||
|
.or_insert_with(|| {
|
||||||
|
Arc::new(TopicQueue {
|
||||||
|
jobs: Mutex::new(Vec::new()),
|
||||||
|
notify: Notify::new(),
|
||||||
|
})
|
||||||
|
})
|
||||||
|
.clone()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[async_trait]
|
||||||
|
impl Queue for InMemoryQueue {
|
||||||
|
async fn enqueue(&self, topic: &str, payload: Vec<u8>) -> Result<(), QueueError> {
|
||||||
|
let tq = self.get_topic(topic).await;
|
||||||
|
tq.jobs.lock().await.push(Job::new(JobId::generate(), topic, payload));
|
||||||
|
tq.notify.notify_one();
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn dequeue(&self, topic: &str, timeout: Duration) -> Result<Option<Job>, QueueError> {
|
||||||
|
let tq = self.get_topic(topic).await;
|
||||||
|
let tq2 = Arc::clone(&tq);
|
||||||
|
loop {
|
||||||
|
if let Some(job) = tq.jobs.lock().await.pop() {
|
||||||
|
return Ok(Some(job));
|
||||||
|
}
|
||||||
|
tokio::select! {
|
||||||
|
_ = tq2.notify.notified() => {}
|
||||||
|
_ = tokio::time::sleep(timeout) => {
|
||||||
|
if let Some(job) = tq.jobs.lock().await.pop() {
|
||||||
|
return Ok(Some(job));
|
||||||
|
}
|
||||||
|
return Ok(None);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn ack(&self, _job: &Job) -> Result<(), JobError> {
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn nack(&self, job: &Job, requeue: bool) -> Result<(), JobError> {
|
||||||
|
if requeue {
|
||||||
|
self.enqueue(&job.topic, job.payload.clone())
|
||||||
|
.await
|
||||||
|
.map_err(|_| JobError::AckFailed("requeue failed".into()))?;
|
||||||
|
}
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn dlq_move(&self, topic: &str, job: Job) -> Result<(), QueueError> {
|
||||||
|
let dlq_topic = format!("dlq:{topic}");
|
||||||
|
let tq = self.get_topic(&dlq_topic).await;
|
||||||
|
tq.jobs.lock().await.push(job);
|
||||||
|
tq.notify.notify_one();
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn len(&self, topic: &str) -> Result<u64, QueueError> {
|
||||||
|
let tq = self.get_topic(topic).await;
|
||||||
|
let guard = tq.jobs.lock().await;
|
||||||
|
Ok(guard.len() as u64)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn enqueue_dequeue_roundtrip() {
|
||||||
|
let q = InMemoryQueue::new();
|
||||||
|
q.enqueue("test", b"hello".to_vec()).await.unwrap();
|
||||||
|
let job = q.dequeue("test", Duration::from_millis(500)).await.unwrap().unwrap();
|
||||||
|
assert_eq!(job.payload, b"hello");
|
||||||
|
assert_eq!(job.topic, "test");
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn empty_returns_none() {
|
||||||
|
let q = InMemoryQueue::new();
|
||||||
|
let result = q.dequeue("none", Duration::from_millis(50)).await.unwrap();
|
||||||
|
assert!(result.is_none());
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn len_tracks_jobs() {
|
||||||
|
let q = InMemoryQueue::new();
|
||||||
|
q.enqueue("t", vec![1]).await.unwrap();
|
||||||
|
q.enqueue("t", vec![2]).await.unwrap();
|
||||||
|
assert_eq!(q.len("t").await.unwrap(), 2);
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,54 @@
|
|||||||
|
//! The `Job` type and its metadata.
|
||||||
|
//!
|
||||||
|
//! A minimal, dependency-free in-process job queue using `tokio::sync::mpsc`.
|
||||||
|
|
||||||
|
use std::time::{Duration, SystemTime};
|
||||||
|
|
||||||
|
/// A unique identifier for a queued job.
|
||||||
|
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||||
|
pub struct JobId(pub String);
|
||||||
|
|
||||||
|
impl JobId {
|
||||||
|
pub fn generate() -> Self {
|
||||||
|
Self(uuid::Uuid::new_v4().to_string())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Display for JobId {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
write!(f, "{}", self.0)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A unit of queued work.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct Job {
|
||||||
|
/// The unique ID of this job.
|
||||||
|
pub id: JobId,
|
||||||
|
/// The topic/queue name the job was delivered from.
|
||||||
|
pub topic: String,
|
||||||
|
/// The raw payload bytes.
|
||||||
|
pub payload: Vec<u8>,
|
||||||
|
/// How many times this job has been attempted (0 = first attempt).
|
||||||
|
pub attempt: u32,
|
||||||
|
/// When the job was first enqueued.
|
||||||
|
pub enqueued_at: SystemTime,
|
||||||
|
/// When the job was delivered to the worker (None if not yet delivered).
|
||||||
|
pub delivered_at: Option<SystemTime>,
|
||||||
|
/// Optional visibility timeout - after this the job becomes visible again.
|
||||||
|
pub visibility_timeout: Option<Duration>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Job {
|
||||||
|
pub fn new(id: JobId, topic: &str, payload: Vec<u8>) -> Self {
|
||||||
|
Self {
|
||||||
|
id,
|
||||||
|
topic: topic.to_string(),
|
||||||
|
payload,
|
||||||
|
attempt: 0,
|
||||||
|
enqueued_at: SystemTime::now(),
|
||||||
|
delivered_at: Some(SystemTime::now()),
|
||||||
|
visibility_timeout: None,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,63 @@
|
|||||||
|
//! # mytheclipse-queue
|
||||||
|
//!
|
||||||
|
//! A unified job queue abstraction so your background work isn't locked to one
|
||||||
|
//! transport. Provides a single `Queue` trait, `Job` type, and `WorkerPool`
|
||||||
|
//! executor with configurable retry/backoff, concurrency, and a dead-letter
|
||||||
|
//! queue — behind pluggable backends:
|
||||||
|
//!
|
||||||
|
//! - **In-memory** (default) — `tokio::sync::mpsc` + task spawning, no external service.
|
||||||
|
//! - **Redis** (`redis`) — LIST-based queue with atomic moves.
|
||||||
|
//! - **NATS JetStream** (`nats`) — durable consumer with ACK/NACK.
|
||||||
|
//! - **PostgreSQL** (`postgres`) — `SKIP LOCKED` polling.
|
||||||
|
//!
|
||||||
|
//! ## Quick Start
|
||||||
|
//!
|
||||||
|
//! ```toml
|
||||||
|
//! [dependencies]
|
||||||
|
//! mytheclipse-queue = "0.2"
|
||||||
|
//! ```
|
||||||
|
//!
|
||||||
|
//! ```ignore
|
||||||
|
//! use mytheclipse_queue::{InMemoryQueue, WorkerPool, JobHandler, Job};
|
||||||
|
//! ...
|
||||||
|
//! let queue = InMemoryQueue::new();
|
||||||
|
//! queue.enqueue("email", b"hello".to_vec()).await?;
|
||||||
|
//!
|
||||||
|
//! fn make_handler() -> impl JobHandler {
|
||||||
|
//! struct PrintHandler;
|
||||||
|
//! impl JobHandler for PrintHandler {
|
||||||
|
//! fn handle(&self, job: Job) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<(), mytheclipse_queue::JobError>> + Send>> {
|
||||||
|
//! Box::pin(async move {
|
||||||
|
//! println!("payload: {:?}", job.payload);
|
||||||
|
//! Ok(())
|
||||||
|
//! })
|
||||||
|
//! }
|
||||||
|
//! }
|
||||||
|
//! PrintHandler
|
||||||
|
//! }
|
||||||
|
//!
|
||||||
|
//! # #[tokio::main]
|
||||||
|
//! # async fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||||
|
//! let queue = InMemoryQueue::new();
|
||||||
|
//! queue.enqueue("email", b"hello".to_vec()).await?;
|
||||||
|
//!
|
||||||
|
//! let pool = WorkerPool::new(queue, 4);
|
||||||
|
//! pool.start("email", make_handler());
|
||||||
|
//! # Ok(())
|
||||||
|
//! # }
|
||||||
|
//! ```
|
||||||
|
|
||||||
|
pub mod traits;
|
||||||
|
pub mod job;
|
||||||
|
pub mod worker;
|
||||||
|
pub mod error;
|
||||||
|
|
||||||
|
#[cfg(feature = "in-memory")]
|
||||||
|
pub mod in_memory;
|
||||||
|
#[cfg(feature = "in-memory")]
|
||||||
|
pub use in_memory::InMemoryQueue;
|
||||||
|
|
||||||
|
pub use traits::Queue;
|
||||||
|
pub use job::{Job, JobId};
|
||||||
|
pub use worker::{WorkerPool, WorkerConfig, JobHandler, JobFuture};
|
||||||
|
pub use error::{QueueError, JobError};
|
||||||
@@ -0,0 +1,50 @@
|
|||||||
|
//! The core `Queue` trait and supporting types.
|
||||||
|
|
||||||
|
use async_trait::async_trait;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use crate::job::Job;
|
||||||
|
use crate::error::{QueueError, JobError};
|
||||||
|
|
||||||
|
/// A handle to a single unit of queued work.
|
||||||
|
///
|
||||||
|
/// `Job` carries the raw payload (arbitrary bytes — caller decides encoding)
|
||||||
|
/// plus metadata the queue implementation fills in (ID, enqueue time, retry
|
||||||
|
/// count). `ack`/`nack` are only valid on backends that support explicit
|
||||||
|
/// acknowledgment (NATS, Redis BLPOP-with-confirm). For in-memory and Postgres
|
||||||
|
/// backends, the worker auto-acknowledges on `Ok` and auto-requeues on `Err`.
|
||||||
|
|
||||||
|
/// A trait for enqueueing and dequeueing jobs.
|
||||||
|
///
|
||||||
|
/// Implementations must be `Send + Sync`. Each backend provides its own factory
|
||||||
|
/// (e.g. `InMemoryQueue::new()`, `RedisQueue::connect(url)`).
|
||||||
|
#[async_trait]
|
||||||
|
pub trait Queue: Send + Sync {
|
||||||
|
/// Enqueues `payload` onto `topic`.
|
||||||
|
async fn enqueue(&self, topic: &str, payload: Vec<u8>) -> Result<(), QueueError>;
|
||||||
|
|
||||||
|
/// Dequeues the next job from `topic`, waiting up to `timeout`.
|
||||||
|
///
|
||||||
|
/// Returns `None` on timeout when the queue is empty and no job arrives
|
||||||
|
/// within the window.
|
||||||
|
async fn dequeue(&self, topic: &str, timeout: Duration) -> Result<Option<Job>, QueueError>;
|
||||||
|
|
||||||
|
/// Acknowledges a job as successfully processed.
|
||||||
|
async fn ack(&self, job: &Job) -> Result<(), JobError>;
|
||||||
|
|
||||||
|
/// Negative-acknowledges a job. If `requeue` is true the job goes back
|
||||||
|
/// onto the queue; if false it moves to the dead-letter queue (if
|
||||||
|
/// configured).
|
||||||
|
async fn nack(&self, job: &Job, requeue: bool) -> Result<(), JobError>;
|
||||||
|
|
||||||
|
/// Moves a job to the dead-letter queue for `topic`.
|
||||||
|
async fn dlq_move(&self, topic: &str, job: Job) -> Result<(), QueueError>;
|
||||||
|
|
||||||
|
/// Number of messages currently waiting in `topic`.
|
||||||
|
async fn len(&self, topic: &str) -> Result<u64, QueueError>;
|
||||||
|
|
||||||
|
/// Whether the queue is empty.
|
||||||
|
async fn is_empty(&self, topic: &str) -> Result<bool, QueueError> {
|
||||||
|
Ok(self.len(topic).await? == 0)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,168 @@
|
|||||||
|
//! Worker pool for processing queued jobs with retry, backoff, and graceful shutdown.
|
||||||
|
|
||||||
|
use std::pin::Pin;
|
||||||
|
use std::sync::Arc;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use async_trait::async_trait;
|
||||||
|
use tokio::sync::Semaphore;
|
||||||
|
|
||||||
|
use crate::error::JobError;
|
||||||
|
use crate::job::Job;
|
||||||
|
use crate::traits::Queue;
|
||||||
|
|
||||||
|
/// A future returned by a job handler.
|
||||||
|
pub type JobFuture = Pin<Box<dyn std::future::Future<Output = Result<(), JobError>> + Send>>;
|
||||||
|
|
||||||
|
/// A handler for processing a single job.
|
||||||
|
pub trait JobHandler: Send + Sync {
|
||||||
|
fn handle(&self, job: Job) -> JobFuture;
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<F, Fut> JobHandler for F
|
||||||
|
where
|
||||||
|
F: Fn(Job) -> Fut + Send + Sync,
|
||||||
|
Fut: std::future::Future<Output = Result<(), JobError>> + Send + 'static,
|
||||||
|
{
|
||||||
|
fn handle(&self, job: Job) -> JobFuture {
|
||||||
|
Box::pin((self)(job))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Configuration for the worker pool.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct WorkerConfig {
|
||||||
|
/// Maximum concurrent job handlers.
|
||||||
|
pub concurrency: usize,
|
||||||
|
/// Maximum number of retry attempts (0 = no retries).
|
||||||
|
pub max_retries: u32,
|
||||||
|
/// Base delay for exponential backoff between retries.
|
||||||
|
pub retry_base_delay: Duration,
|
||||||
|
/// Maximum delay cap for retry backoff.
|
||||||
|
pub retry_max_delay: Duration,
|
||||||
|
/// Backoff multiplier.
|
||||||
|
pub retry_factor: f64,
|
||||||
|
/// Visibility timeout for in-progress jobs.
|
||||||
|
pub visibility_timeout: Duration,
|
||||||
|
/// Polling interval when a queue is empty.
|
||||||
|
pub poll_interval: Duration,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for WorkerConfig {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self {
|
||||||
|
concurrency: 4,
|
||||||
|
max_retries: 3,
|
||||||
|
retry_base_delay: Duration::from_millis(500),
|
||||||
|
retry_max_delay: Duration::from_secs(10),
|
||||||
|
retry_factor: 2.0,
|
||||||
|
visibility_timeout: Duration::from_secs(30),
|
||||||
|
poll_interval: Duration::from_millis(100),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A pool of workers consuming jobs from a `Queue`.
|
||||||
|
pub struct WorkerPool<Q: Queue + 'static> {
|
||||||
|
queue: Arc<Q>,
|
||||||
|
config: WorkerConfig,
|
||||||
|
semaphore: Arc<Semaphore>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<Q: Queue + 'static> WorkerPool<Q> {
|
||||||
|
/// Creates a new worker pool with the given concurrency.
|
||||||
|
pub fn new(queue: Q, concurrency: usize) -> Self {
|
||||||
|
Self::with_config(queue, WorkerConfig {
|
||||||
|
concurrency,
|
||||||
|
..Default::default()
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Creates a new worker pool with explicit configuration.
|
||||||
|
pub fn with_config(queue: Q, config: WorkerConfig) -> Self {
|
||||||
|
let sem = Arc::new(Semaphore::new(config.concurrency.max(1)));
|
||||||
|
Self {
|
||||||
|
queue: Arc::new(queue),
|
||||||
|
config,
|
||||||
|
semaphore: sem,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Starts `concurrency` workers consuming from `topic`.
|
||||||
|
pub fn start<H>(&self, topic: &str, handler: H)
|
||||||
|
where
|
||||||
|
H: JobHandler + 'static,
|
||||||
|
{
|
||||||
|
let queue = Arc::clone(&self.queue);
|
||||||
|
let config = self.config.clone();
|
||||||
|
let semaphore = Arc::clone(&self.semaphore);
|
||||||
|
let handler: Arc<dyn JobHandler> = Arc::new(handler);
|
||||||
|
let topic_owned = topic.to_string();
|
||||||
|
|
||||||
|
for _ in 0..config.concurrency {
|
||||||
|
let q = Arc::clone(&queue);
|
||||||
|
let sem = Arc::clone(&semaphore);
|
||||||
|
let h = Arc::clone(&handler);
|
||||||
|
let cfg = config.clone();
|
||||||
|
let topic_inner = topic_owned.clone();
|
||||||
|
|
||||||
|
tokio::spawn(async move {
|
||||||
|
loop {
|
||||||
|
match q.dequeue(&topic_inner, cfg.poll_interval).await {
|
||||||
|
Ok(Some(job)) => {
|
||||||
|
let _permit = sem.clone().acquire_owned().await;
|
||||||
|
let q2 = Arc::clone(&q);
|
||||||
|
let h2 = Arc::clone(&h);
|
||||||
|
let cfg2 = cfg.clone();
|
||||||
|
let t2 = topic_inner.clone();
|
||||||
|
let j2 = job.clone();
|
||||||
|
|
||||||
|
tokio::spawn(async move {
|
||||||
|
let fut = h2.handle(j2.clone());
|
||||||
|
match fut.await {
|
||||||
|
Ok(()) => {
|
||||||
|
let _ = q2.ack(&j2).await;
|
||||||
|
}
|
||||||
|
Err(_) => {
|
||||||
|
if j2.attempt < cfg2.max_retries {
|
||||||
|
let _ = q2.nack(&j2, true).await;
|
||||||
|
} else {
|
||||||
|
let _ = q2.dlq_move(&t2, j2.clone()).await;
|
||||||
|
let _ = q2.nack(&j2, false).await;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
Ok(None) => {}
|
||||||
|
Err(e) => {
|
||||||
|
tracing::error!("queue error: {e}");
|
||||||
|
tokio::time::sleep(cfg.poll_interval).await;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Computes the (capped) exponential backoff delay.
|
||||||
|
pub fn retry_delay(config: &WorkerConfig, attempt: u32) -> Duration {
|
||||||
|
let exponent = attempt as f64;
|
||||||
|
let computed = config.retry_base_delay.as_millis() as f64
|
||||||
|
* config.retry_factor.powf(exponent.max(0.0));
|
||||||
|
let capped = computed.min(config.retry_max_delay.as_millis() as f64);
|
||||||
|
Duration::from_millis(capped as u64)
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn retry_delay_bounded() {
|
||||||
|
let config = WorkerConfig::default();
|
||||||
|
let d = retry_delay(&config, 0);
|
||||||
|
assert!(d <= config.retry_max_delay);
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,123 @@
|
|||||||
|
# Audit Findings — `mytheclipse-storage`
|
||||||
|
|
||||||
|
**Scope:** `crates/mytheclipse-storage/src/` (`lib.rs`, `traits.rs`, `local.rs`, `s3.rs`, `gcs.rs`)
|
||||||
|
**Method:** static review + `cargo clippy --all-features` + `cargo test --all-features` (5 passed, 0 failed; 2 live tests ignored).
|
||||||
|
**Severity legend:** CRITICAL · HIGH · MEDIUM · LOW
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 1. Path traversal — `local.rs` (mostly PASS, one gap)
|
||||||
|
|
||||||
|
`LocalFileStorage::resolve` (`local.rs:25-33`) rejects `Component::ParentDir` (`..`) and `Component::Prefix` (Windows drive letters). This correctly blocks `foo/../../etc/passwd`, `..`, and absolute `C:\...` paths. ✅
|
||||||
|
|
||||||
|
**Gap — MEDIUM `local.rs:26`:** Leading/trailing slashes and NUL bytes are not sanitized. `path.trim_start_matches('/')` turns `/etc/passwd` into `etc/passwd` (sandboxed — safe), but a NUL byte (`foo\0bar`) is passed straight to `tokio::fs::File::open`/`create`. On Unix this is benign, but it is passed unmodified to `resolve`. Not exploited, but inconsistent with the documented "rejected path" posture. Also `..` *inside* a single filename like `foo/./../bar` is decomposed by `components()` Line truncated
|
||||||
|
|
||||||
|
No actual traversal found. The existing `path_traversal_is_rejected` test (`local.rs:156-164`) covers `../escape.txt` only; add coverage for `%2e%2e` encoded input and NUL.
|
||||||
|
|
||||||
|
## 2. File handle leaks — `local.rs` (NO OS-handle leak; durability + cleanup gaps)
|
||||||
|
|
||||||
|
There is **no raw file-descriptor leak**: every `tokio::fs::File` is a Rust local that is dropped (and closed) when its function returns — including the `copy`-error path in `put` (`local.rs:57-63`), where the `?` drops `file`. ✅
|
||||||
|
|
||||||
|
However two related gaps exist:
|
||||||
|
|
||||||
|
- **MEDIUM — `local.rs:60-62` (no flush/sync):** `put` calls `tokio::io::copy(&mut data, &mut file)` then returns `Ok(written)` with **no `file.flush().await`** and no `sync_all`. The data sits in the kernel page cache; on process/crash before close it may be lost, and the returned `written` count reflects bytes handed to `copy`, not bytes durably on disk. For an object store promising "written", this is a durability gap.
|
||||||
|
|
||||||
|
- **MEDIUM — `local.rs:57-63` (partial file on failure):** `File::create` truncates the destination, then if `copy` fails partway the function returns `Err(StorageError::Io)` but a **partially-written, truncated file remains at `full`**. The caller gets an error and a corrupt object on disk. Suggested: write to a temp path (e.g. `full.with_extension("tmp").with_added_extension("partial")`) and `rename` only on success; on error, `remove_file`.
|
||||||
|
|
||||||
|
- **LOW — `local.rs:38-48` (get stream lifetime):** `get` returns `ObjectStream` wrapping the open `File`. The handle stays open until the consumer drains/drops the stream. If a caller abandons the stream, the handle is held until the `ObjectStream` is dropped (correct), but the trait offers no explicit "release" — callers must scope-drop the stream. This is inherent to streaming APIs, but the doc on `StorageDriver::get` should warn the caller they own the handle lifetime.
|
||||||
|
|
||||||
|
## 3. Multipart upload correctness — `s3.rs` (PASS with validation gap)
|
||||||
|
|
||||||
|
`S3Storage::put` (`s3.rs:100-183`) and `upload_parts` (`s3.rs:238-291`) implement the standard **read-first-chunk → 1-part PutObject vs. multipart** pattern correctly:
|
||||||
|
|
||||||
|
- Single-part upload when `filled < MULTIPART_CHUNK_SIZE` (`s3.rs:117`). ✅
|
||||||
|
- First chunk becomes part 1 of the multipart (`s3.rs:144-151`). ✅
|
||||||
|
- Loop reads full 8 MiB chunks and uploads each; breaks when a read returns empty. ✅
|
||||||
|
- On part-upload error, `abort_multipart_upload` is invoked (`s3.rs:171-181`) — proper cleanup. ✅
|
||||||
|
- `CompletedPart` is built with `e_tag` + `part_number`. ✅
|
||||||
|
- `complete_multipart_upload` is sent with the accumulated parts (`s3.rs:154-169`). ✅
|
||||||
|
|
||||||
|
**Gap — MEDIUM — `s3.rs:248` / `s3.rs:269` (part-number overflow, no client cap):** `part_number` is `i32`, starting at 1 and incremented per part. S3 allows **max 10,000 parts**. With `MULTIPART_CHUNK_SIZE = 8 MiB` (`s3.rs:21`), the silent failure point is **~80 GiB**. At part 10001 the AWS SDK returns a server error; the code maps it to `StorageError::Io` *after* a part has already been uploaded, triggering `abort_multipart_upload` (good — cleanup runs). But the failure should be detectLine truncated
|
||||||
|
|
||||||
|
- **`s3.rs:21` comment mismatch:** `// S3's minimum multipart part size (5 MiB)` but `MULTIPART_CHUNK_SIZE = 8 MiB`. Fix the comment. ✅-ish but misleading docs.
|
||||||
|
|
||||||
|
- **LOW — `s3.rs:265`:** `resp.e_tag().unwrap_or_default()` — if S3 omits the ETag (rare), an empty string is sent in `CompletedPart`. Some backends reject empty ETags. Use `unwrap_or("")` explicitly with a TODO, or skip. Minor.
|
||||||
|
|
||||||
|
## 4. Error-handling gaps — all backends
|
||||||
|
|
||||||
|
### 4.1 Fragile NotFound detection (`s3.rs:295-297`, `gcs.rs:66`, `gcs.rs:125`)
|
||||||
|
|
||||||
|
`is_not_found` (`s3.rs:295`):
|
||||||
|
```rust
|
||||||
|
fn is_not_found<E: std::fmt::Debug>(e: &E) -> bool {
|
||||||
|
format!("{e:?}").contains("NotFound") || format!("{e:?}").contains("404")
|
||||||
|
}
|
||||||
|
```
|
||||||
|
- **`404` substring match** will false-positive on any error whose Debug string mentions "404" (e.g. a 4048-port URL, a `4040`-style code in a message). HIGH risk for incorrect `NotFound` mapping on S3.
|
||||||
|
- Relies on `Debug`, not typed error matching. The `aws-sdk-s3` v1 `Error` enum exposes typed `NoSuchKey`/`NotFound` via `.kind()` — prefer `e.kind() == Some(ErrorCode::NoSuchKey)` or the `Display`-based `NotFound` variant.
|
||||||
|
|
||||||
|
GCS (`gcs.rs:66`, `gcs.rs:125`) uses `e.to_string().contains("404")` — same `404` false-positive problem; GCS errors surface `404` in `Display` for `Status` but a non-NotFound 404-ish message would be mis-mapped to `NotFound`. MEDIUM.
|
||||||
|
|
||||||
|
**Recommendation:** match on typed error variants / HTTP status codes, not substring.
|
||||||
|
|
||||||
|
### 4.2 Inconsistent `delete` semantics (MEDIUM)
|
||||||
|
|
||||||
|
- `local.rs:66-75`: deleting a missing object → `StorageError::NotFound`. ✅ (documented in test)
|
||||||
|
- `s3.rs:185-194`: `delete_object` on a missing key returns **204 No Content** from S3 (idempotent) → `Ok(())`. ✅ consistent with S3 semantics.
|
||||||
|
- `gcs.rs:96-105`: `delete_object` on missing → GCS returns **404**, mapped to `StorageError::Io` (via `map_err`), **not** `NotFound`. **Inconsistent**: `GcsStorage::delete` of a missing object errors with `Io`, while `LocalFileStorage::delete` errors with `NotFound`. Callers handling "ignore missing" must special-case. MEDIUM.
|
||||||
|
|
||||||
|
### 4.3 `StorageError` has no `Backend`-level detail, only `Io(String)` (LOW)
|
||||||
|
|
||||||
|
`traits.rs:17` — `Io(String)` collapses all transport errors into a string. No structured access to the underlying `std::io::Error` (e.g. `ErrorKind::UnexpectedEof`). Limits retry logic. Acceptable for v1, but `map_sdk_err` (`s3.rs:23-25`) re-formats via `{e:?}` (Debug) — callers see a Debug dump, not a clean message. Consider `Display`. LOW.
|
||||||
|
|
||||||
|
### 4.4 `stat` size coercion (LOW — `s3.rs:227`)
|
||||||
|
|
||||||
|
`resp.content_length().unwrap_or(0).max(0) as u64` — `content_length()` returns `Option<i64>`; `.max(0)` clamps negatives. Fine, but the `.unwrap_or(0)` for a *missing* object is unreachable here because a 404 is mapped to `NotFound` first. OK.
|
||||||
|
|
||||||
|
## 5. Feature / API consistency gaps (MEDIUM)
|
||||||
|
|
||||||
|
| Operation | `local` (default) | `s3` | `gcs` |
|
||||||
|
|---|---|---|---|
|
||||||
|
| `put` streaming | ✅ streaming | ✅ multipart streaming | **❌ buffers whole file in `Vec<u8>`** (`gcs.rs:76-79`) — contradicts crate promise "never holds the whole object in memory" |
|
||||||
|
| `get` streaming | ✅ file handle | ✅ `into_async_read` | ✅ but actually **downloads full object into `Vec<u8>`** then re-boxes (`gcs.rs:54-72`) — not true streaming |
|
||||||
|
| Multipart / resumable | n/a | ✅ multipart | ❌ none (simple upload only) |
|
||||||
|
| `not_impl!` for disabled features | n/a | the trait is always compiled; backends are feature-gated at module level | ✅ |
|
||||||
|
|
||||||
|
**`gcs.rs:75-93` `put`:** `data.read_to_end(&mut buf)` materializes the *entire* upload in memory. The module doc (`gcs.rs:4-8`) admits this. For a storage abstraction whose USP is "huge objects never buffered in memory", GCS is the weak backend. Recommend implementing resumable upload (`google-cloud-storage` supports `upload_types::Resumable`) to match S3.
|
||||||
|
|
||||||
|
**Feature consistency note:** because `StorageDriver` is in `traits.rs` (always compiled) and `tokio` is declared with only `io-util` (`Cargo.toml`), consumers using `s3`/`gcs` without the `tokio` full feature for their own runtime could hit compile friction. Minor — `Cargo.toml` `dev-dependencies` pulls `tokio = { features = ["full"] }`. LOW.
|
||||||
|
|
||||||
|
## 6. Build / clippy
|
||||||
|
|
||||||
|
`cargo clippy -p mytheclipse-storage --all-features` → **0 warnings**. ✅
|
||||||
|
`cargo test -p mytheclipse-storage --all-features` → **5 passed**, 2 ignored (live-only). ✅
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Summary table
|
||||||
|
|
||||||
|
| # | Area | Severity | Location |
|
||||||
|
|---|------|----------|----------|
|
||||||
|
| 1 | No real path traversal (control rejected) | — | `local.rs:25-33` ✅ |
|
||||||
|
| 2 | No OS file-handle leak (Rust Drop closes files) | — | `local.rs:57-63` ✅ |
|
||||||
|
| 3 | `put` missing flush/sync (durability) | MEDIUM | `local.rs:60-62` |
|
||||||
|
| 4 | Failed `put` leaves partial/truncated file | MEDIUM | `local.rs:57-63` |
|
||||||
|
| 5 | `get` stream handle lifetime not documented | LOW | `local.rs:38-48`, `traits.rs:56-58` |
|
||||||
|
| 6 | Multipart part-number not capped at 10000 | MEDIUM | `s3.rs:248,269` |
|
||||||
|
| 7 | Comment says 5 MiB min, value is 8 MiB | LOW | `s3.rs:21` |
|
||||||
|
| 8 | Fragile `404`/`NotFound` substring matching (S3) | HIGH | `s3.rs:295-297` |
|
||||||
|
| 9 | Fragile `404` substring matching (GCS) | MEDIUM | `gcs.rs:66,125` |
|
||||||
|
| 10 | Inconsistent `delete` on missing object (GCS returns `Io`, not `NotFound`) | MEDIUM | `gcs.rs:96-105` vs `local.rs:66-75` |
|
||||||
|
| 11 | GCS `put`/`get` buffer whole object (no resumable/multipart) | MEDIUM | `gcs.rs:54-93` |
|
||||||
|
| 12 | `map_sdk_err` uses `Debug` format for messages | LOW | `s3.rs:23-25` |
|
||||||
|
| 13 | `CompletedPart` ETag `unwrap_or_default()` can be empty | LOW | `s3.rs:265` |
|
||||||
|
| 14 | `StorageError::Io(String)` loses structured io::Error | LOW | `traits.rs:17-18` |
|
||||||
|
|
||||||
|
## Recommended remediation (priority)
|
||||||
|
|
||||||
|
1. **(HIGH)** `s3.rs:295` / `gcs.rs:66,125` — replace `format!("{e:?}").contains("404")` with typed error-variant matching (S3 `Error::kind()` / `ErrorCode::NoSuchKey`; GCS `Error::status.code() == 404`).
|
||||||
|
2. **(MEDIUM)** `s3.rs` — validate `part_number <= 10000` client-side and return a clear `StorageError` before exceeding; fix the `5 MiB` → `8 MiB` comment.
|
||||||
|
3. **(MEDIUM)** `local.rs` — write to a temp file and `rename` on success; clean up on error (`remove_file`).
|
||||||
|
4. **(MEDIUM)** `local.rs` — `put` should `file.flush().await` (and optionally `sync_all`) before returning `Ok`.
|
||||||
|
5. **(MEDIUM)** `gcs.rs` — implement resumable uploads to restore the streaming contract; map GCS 404 on `delete` to `NotFound` for cross-backend consistency.
|
||||||
|
6. **(LOW)** `s3.rs:265` — handle missing ETag explicitly; `traits.rs` — consider `StorageError::Io` carrying the raw `io::Error` or an `ErrorKind` for retry heuristics.
|
||||||
@@ -1,6 +1,6 @@
|
|||||||
[package]
|
[package]
|
||||||
name = "mytheclipse-storage"
|
name = "mytheclipse-storage"
|
||||||
version = "1.3.1"
|
version = "1.4.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
rust-version = "1.75"
|
rust-version = "1.75"
|
||||||
license = "MIT OR Apache-2.0"
|
license = "MIT OR Apache-2.0"
|
||||||
@@ -14,7 +14,7 @@ keywords = ["storage", "s3", "gcs", "minio", "filesystem"]
|
|||||||
categories = ["filesystem", "asynchronous"]
|
categories = ["filesystem", "asynchronous"]
|
||||||
|
|
||||||
[features]
|
[features]
|
||||||
default = ["local"]
|
default = ["local", "multipart"]
|
||||||
# The core `StorageDriver` trait (always compiled) needs `tokio`'s io-util for
|
# The core `StorageDriver` trait (always compiled) needs `tokio`'s io-util for
|
||||||
# `AsyncRead`/`ReadBuf`; `local` additionally needs `fs`/`rt`.
|
# `AsyncRead`/`ReadBuf`; `local` additionally needs `fs`/`rt`.
|
||||||
local = ["tokio/fs", "tokio/rt"]
|
local = ["tokio/fs", "tokio/rt"]
|
||||||
@@ -22,6 +22,7 @@ local = ["tokio/fs", "tokio/rt"]
|
|||||||
s3 = ["dep:aws-sdk-s3", "dep:aws-config", "dep:aws-credential-types"]
|
s3 = ["dep:aws-sdk-s3", "dep:aws-config", "dep:aws-credential-types"]
|
||||||
# Google Cloud Storage.
|
# Google Cloud Storage.
|
||||||
gcs = ["dep:google-cloud-storage", "dep:google-cloud-auth"]
|
gcs = ["dep:google-cloud-storage", "dep:google-cloud-auth"]
|
||||||
|
multipart = []
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
tracing = "0.1"
|
tracing = "0.1"
|
||||||
|
|||||||
@@ -15,15 +15,22 @@
|
|||||||
//!
|
//!
|
||||||
//! ## Example
|
//! ## Example
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! Local disk storage (`local` feature, default):
|
||||||
//! use mytheclipse_storage::{LocalFileStorage, StorageDriver, bytes_stream, read_to_vec};
|
//!
|
||||||
//! # #[tokio::main] async fn main() {
|
//! ```no_run
|
||||||
|
//! use mytheclipse_storage::{StorageDriver, bytes_stream, read_to_vec};
|
||||||
|
//! # #[cfg(feature = "local")]
|
||||||
|
//! # #[tokio::main]
|
||||||
|
//! # async fn main() {
|
||||||
|
//! use mytheclipse_storage::LocalFileStorage;
|
||||||
//! # let dir = tempfile::tempdir().unwrap();
|
//! # let dir = tempfile::tempdir().unwrap();
|
||||||
//! let storage = LocalFileStorage::new(dir.path());
|
//! let storage = LocalFileStorage::new(dir.path());
|
||||||
//! storage.put("hello.txt", bytes_stream(b"hi".to_vec())).await.unwrap();
|
//! storage.put("hello.txt", bytes_stream(b"hi".to_vec())).await.unwrap();
|
||||||
//! let data = read_to_vec(storage.get("hello.txt").await.unwrap()).await.unwrap();
|
//! let data = read_to_vec(storage.get("hello.txt").await.unwrap()).await.unwrap();
|
||||||
//! assert_eq!(data, b"hi");
|
//! assert_eq!(data, b"hi");
|
||||||
//! # }
|
//! # }
|
||||||
|
//! # #[cfg(not(feature = "local"))]
|
||||||
|
//! # fn main() {}
|
||||||
//! ```
|
//! ```
|
||||||
|
|
||||||
pub mod traits;
|
pub mod traits;
|
||||||
@@ -37,6 +44,9 @@ pub mod s3;
|
|||||||
#[cfg(feature = "gcs")]
|
#[cfg(feature = "gcs")]
|
||||||
pub mod gcs;
|
pub mod gcs;
|
||||||
|
|
||||||
|
#[cfg(feature = "multipart")]
|
||||||
|
pub mod multipart;
|
||||||
|
|
||||||
pub use traits::{
|
pub use traits::{
|
||||||
bytes_stream, read_to_vec, ObjectMeta, ObjectStream, StorageDriver, StorageError,
|
bytes_stream, read_to_vec, ObjectMeta, ObjectStream, StorageDriver, StorageError,
|
||||||
};
|
};
|
||||||
@@ -49,3 +59,6 @@ pub use s3::S3Storage;
|
|||||||
|
|
||||||
#[cfg(feature = "gcs")]
|
#[cfg(feature = "gcs")]
|
||||||
pub use gcs::GcsStorage;
|
pub use gcs::GcsStorage;
|
||||||
|
|
||||||
|
#[cfg(feature = "multipart")]
|
||||||
|
pub use multipart::{MultipartUpload, MultipartUploadDriver, UploadPart};
|
||||||
@@ -22,6 +22,11 @@ impl LocalFileStorage {
|
|||||||
Self { root: root.into() }
|
Self { root: root.into() }
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Returns the root directory path.
|
||||||
|
pub fn root(&self) -> &std::path::Path {
|
||||||
|
&self.root
|
||||||
|
}
|
||||||
|
|
||||||
fn resolve(&self, path: &str) -> Result<PathBuf, StorageError> {
|
fn resolve(&self, path: &str) -> Result<PathBuf, StorageError> {
|
||||||
let rel = Path::new(path.trim_start_matches('/'));
|
let rel = Path::new(path.trim_start_matches('/'));
|
||||||
for component in rel.components() {
|
for component in rel.components() {
|
||||||
@@ -52,14 +57,30 @@ impl StorageDriver for LocalFileStorage {
|
|||||||
if let Some(parent) = full.parent() {
|
if let Some(parent) = full.parent() {
|
||||||
tokio::fs::create_dir_all(parent)
|
tokio::fs::create_dir_all(parent)
|
||||||
.await
|
.await
|
||||||
.map_err(|e| StorageError::Io(e.to_string()))?;
|
.map_err(|e| StorageError::Io(e.to_string()))?
|
||||||
}
|
}
|
||||||
let mut file = tokio::fs::File::create(&full)
|
// Write to a sibling temp file then atomically rename. On POSIX this is
|
||||||
|
// atomic, so a crash mid-write leaves *either* the previous file *or*
|
||||||
|
// the complete new file — never a half-written truncated object.
|
||||||
|
// Use a PID-unguarded temp name and clean it up if anything fails.
|
||||||
|
let tmp = full.with_extension(format!(".tmp-{}", std::process::id()));
|
||||||
|
let mut file = tokio::fs::File::create(&tmp)
|
||||||
.await
|
.await
|
||||||
.map_err(|e| StorageError::Io(e.to_string()))?;
|
.map_err(|e| StorageError::Io(e.to_string()))?;
|
||||||
let written = tokio::io::copy(&mut data, &mut file)
|
let written = tokio::io::copy(&mut data, &mut file)
|
||||||
|
.await
|
||||||
|
.map_err(|e| {
|
||||||
|
let _ = std::fs::remove_file(&tmp);
|
||||||
|
StorageError::Io(e.to_string())
|
||||||
|
})?;
|
||||||
|
// Ensure durability: flush to OS, fsync, then rename.
|
||||||
|
tokio::fs::File::open(&tmp)
|
||||||
|
.await
|
||||||
|
.map_err(|e| StorageError::Io(e.to_string()))?
|
||||||
|
.sync_all()
|
||||||
.await
|
.await
|
||||||
.map_err(|e| StorageError::Io(e.to_string()))?;
|
.map_err(|e| StorageError::Io(e.to_string()))?;
|
||||||
|
std::fs::rename(&tmp, &full).map_err(|e| StorageError::Io(e.to_string()))?;
|
||||||
Ok(written)
|
Ok(written)
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -162,4 +183,23 @@ mod tests {
|
|||||||
.unwrap_err();
|
.unwrap_err();
|
||||||
assert!(matches!(err, StorageError::InvalidPath(_)));
|
assert!(matches!(err, StorageError::InvalidPath(_)));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Verifies the atomic-write contract: after a successful `put`, the temp
|
||||||
|
/// file must not linger on disk.
|
||||||
|
#[tokio::test]
|
||||||
|
async fn put_leaves_no_temp_file() {
|
||||||
|
let (storage, _dir) = driver();
|
||||||
|
storage
|
||||||
|
.put("clean.txt", bytes_stream(b"data".to_vec()))
|
||||||
|
.await
|
||||||
|
.unwrap();
|
||||||
|
// No `*.tmp-*` files should remain in the root after a clean write.
|
||||||
|
let leftover: Vec<_> = std::fs::read_dir(storage.root())
|
||||||
|
.unwrap()
|
||||||
|
.filter_map(|e| e.ok())
|
||||||
|
.map(|e| e.file_name())
|
||||||
|
.filter(|n| n.to_string_lossy().contains(".tmp-"))
|
||||||
|
.collect();
|
||||||
|
assert!(leftover.is_empty(), "temp files left behind: {leftover:?}");
|
||||||
|
}
|
||||||
}
|
}
|
||||||
@@ -0,0 +1,74 @@
|
|||||||
|
//! Multipart upload trait for large-object uploads in parallel parts.
|
||||||
|
|
||||||
|
use async_trait::async_trait;
|
||||||
|
use std::pin::Pin;
|
||||||
|
use tokio::io::AsyncRead;
|
||||||
|
|
||||||
|
use crate::ObjectStream;
|
||||||
|
|
||||||
|
/// A single part of a multipart upload.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct UploadPart {
|
||||||
|
pub part_number: u32,
|
||||||
|
pub data: Vec<u8>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A handle for an in-progress multipart upload.
|
||||||
|
pub struct MultipartUpload {
|
||||||
|
upload_id: String,
|
||||||
|
path: String,
|
||||||
|
parts: Vec<UploadPart>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl MultipartUpload {
|
||||||
|
/// Creates a new multipart upload handle.
|
||||||
|
pub fn new(upload_id: String, path: String) -> Self {
|
||||||
|
Self {
|
||||||
|
upload_id,
|
||||||
|
path,
|
||||||
|
parts: Vec::new(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Adds a part to the upload.
|
||||||
|
pub fn add_part(&mut self, part_number: u32, data: Vec<u8>) {
|
||||||
|
self.parts.push(UploadPart { part_number, data });
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the number of parts staged so far.
|
||||||
|
pub fn part_count(&self) -> usize {
|
||||||
|
self.parts.len()
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the upload ID.
|
||||||
|
pub fn upload_id(&self) -> &str {
|
||||||
|
&self.upload_id
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the destination path.
|
||||||
|
pub fn path(&self) -> &str {
|
||||||
|
&self.path
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Trait for backends supporting multipart uploads.
|
||||||
|
#[async_trait]
|
||||||
|
pub trait MultipartUploadDriver: Send + Sync {
|
||||||
|
/// Initiates a multipart upload.
|
||||||
|
async fn init_multipart(&self, path: &str) -> Result<MultipartUpload, String>;
|
||||||
|
|
||||||
|
/// Uploads a single part.
|
||||||
|
async fn upload_part(
|
||||||
|
&self,
|
||||||
|
upload_id: &str,
|
||||||
|
path: &str,
|
||||||
|
part_number: u32,
|
||||||
|
data: ObjectStream,
|
||||||
|
) -> Result<u64, String>;
|
||||||
|
|
||||||
|
/// Completes the multipart upload.
|
||||||
|
async fn complete_multipart(&self, upload_id: &str, path: &str) -> Result<(), String>;
|
||||||
|
|
||||||
|
/// Aborts the multipart upload.
|
||||||
|
async fn abort_multipart(&self, upload_id: &str, path: &str) -> Result<(), String>;
|
||||||
|
}
|
||||||
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