30e46e549c
* feat: in-flight query coalescing for recursive resolver When multiple queries for the same (domain, qtype) arrive concurrently and all miss the cache, only the first triggers recursive resolution. Subsequent queries wait on a broadcast channel for the result. Prevents thundering herd where N concurrent cache misses each independently walk the full NS chain, compounding timeouts. Uses InflightGuard (Drop impl) to guarantee map cleanup on panic/cancellation — prevents permanent SERVFAIL poisoning. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * style: add InflightMap type alias for clippy Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add COALESCED query path and coalescing tests Followers in the inflight coalescing path now log as COALESCED instead of RECURSIVE, making it visible in the dashboard when queries were deduplicated vs independently resolved. Adds 10 tests covering InflightGuard cleanup, broadcast mechanics, and concurrent handle_query coalescing through a mock TCP DNS server. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * style: cargo fmt Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * refactor: extract acquire_inflight, rewrite tests against real code Move Disposition enum and inflight acquisition logic into a standalone acquire_inflight() function. Rewrite 4 tests that were exercising tokio primitives to call the real coalescing code path instead. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
49 lines
1.4 KiB
TOML
49 lines
1.4 KiB
TOML
[package]
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name = "numa"
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version = "0.7.0"
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authors = ["razvandimescu <razvan@dimescu.com>"]
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edition = "2021"
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description = "Portable DNS resolver in Rust — .numa local domains, ad blocking, developer overrides, DNS-over-HTTPS"
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license = "MIT"
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repository = "https://github.com/razvandimescu/numa"
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keywords = ["dns", "dns-server", "ad-blocking", "reverse-proxy", "developer-tools"]
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categories = ["network-programming", "development-tools"]
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[dependencies]
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tokio = { version = "1", features = ["rt-multi-thread", "macros", "net", "time", "sync"] }
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axum = "0.8"
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serde = { version = "1", features = ["derive"] }
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serde_json = "1"
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toml = "0.8"
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log = "0.4"
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env_logger = "0.11"
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reqwest = { version = "0.12", features = ["rustls-tls", "gzip", "http2"], default-features = false }
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hyper = { version = "1", features = ["client", "http1", "server"] }
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hyper-util = { version = "0.1", features = ["client-legacy", "http1", "tokio"] }
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http-body-util = "0.1"
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futures = "0.3"
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socket2 = { version = "0.5", features = ["all"] }
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rcgen = { version = "0.13", features = ["pem", "x509-parser"] }
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time = "0.3"
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rustls = "0.23"
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tokio-rustls = "0.26"
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arc-swap = "1"
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ring = "0.17"
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[dev-dependencies]
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criterion = { version = "0.5", features = ["html_reports"] }
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tower = { version = "0.5", features = ["util"] }
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http = "1"
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[[bench]]
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name = "hot_path"
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harness = false
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[[bench]]
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name = "throughput"
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harness = false
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[[bench]]
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name = "dnssec"
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harness = false
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