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Merge pull request #52 from floor-licker/fix/remove-unused-dns-cache

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chore: remove unused dns cache
This commit is contained in:
floor-licker
2026-06-22 18:08:27 -04:00
committed by GitHub
parent bfd7b1fa84 d06f1669a6
commit 27c6352ab2
5 changed files with 0 additions and 306 deletions
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Cargo.lock
Generated
-164
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@@ -1458,21 +1458,6 @@ dependencies = [
"itertools 0.10.5",
]
[[package]]
name = "critical-section"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
[[package]]
name = "crossbeam-channel"
version = "0.5.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
dependencies = [
"crossbeam-utils",
]
[[package]]
name = "crossbeam-deque"
version = "0.8.6"
@@ -2209,76 +2194,6 @@ dependencies = [
"arrayvec",
]
[[package]]
name = "hickory-net"
version = "0.26.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2295ed2f9c31e471e1428a8f88a3f0e1f4b27c15049592138d1eebe9c35b183"
dependencies = [
"async-trait",
"cfg-if",
"data-encoding",
"futures-channel",
"futures-io",
"futures-util",
"hickory-proto",
"idna",
"ipnet",
"jni",
"rand 0.10.1",
"thiserror 2.0.18",
"tinyvec",
"tokio",
"tracing",
"url",
]
[[package]]
name = "hickory-proto"
version = "0.26.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0bab31817bfb44672a252e97fe81cd0c18d1b2cf892108922f6818820df8c643"
dependencies = [
"data-encoding",
"idna",
"ipnet",
"jni",
"once_cell",
"prefix-trie",
"rand 0.10.1",
"ring",
"thiserror 2.0.18",
"tinyvec",
"tracing",
"url",
]
[[package]]
name = "hickory-resolver"
version = "0.26.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0d58d28879ceecde6607729660c2667a081ccdc082e082675042793960f178c"
dependencies = [
"cfg-if",
"futures-util",
"hickory-net",
"hickory-proto",
"ipconfig",
"ipnet",
"jni",
"moka",
"ndk-context",
"once_cell",
"parking_lot",
"rand 0.10.1",
"resolv-conf",
"smallvec",
"system-configuration",
"thiserror 2.0.18",
"tokio",
"tracing",
]
[[package]]
name = "hmac"
version = "0.12.1"
@@ -2586,27 +2501,11 @@ dependencies = [
"serde_core",
]
[[package]]
name = "ipconfig"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4d40460c0ce33d6ce4b0630ad68ff63d6661961c48b6dba35e5a4d81cfb48222"
dependencies = [
"socket2",
"widestring",
"windows-registry",
"windows-result",
"windows-sys 0.61.2",
]
[[package]]
name = "ipnet"
version = "2.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d98f6fed1fde3f8c21bc40a1abb88dd75e67924f9cffc3ef95607bad8017f8e2"
dependencies = [
"serde",
]
[[package]]
name = "is-terminal"
@@ -2966,23 +2865,6 @@ dependencies = [
"tokio",
]
[[package]]
name = "moka"
version = "0.12.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "957228ad12042ee839f93c8f257b62b4c0ab5eaae1d4fa60de53b27c9d7c5046"
dependencies = [
"crossbeam-channel",
"crossbeam-epoch",
"crossbeam-utils",
"equivalent",
"parking_lot",
"portable-atomic",
"smallvec",
"tagptr",
"uuid",
]
[[package]]
name = "native-tls"
version = "0.2.18"
@@ -3000,12 +2882,6 @@ dependencies = [
"tempfile",
]
[[package]]
name = "ndk-context"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
[[package]]
name = "nu-ansi-term"
version = "0.50.3"
@@ -3100,10 +2976,6 @@ name = "once_cell"
version = "1.21.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
dependencies = [
"critical-section",
"portable-atomic",
]
[[package]]
name = "oorandom"
@@ -3364,7 +3236,6 @@ dependencies = [
"env_logger",
"futures",
"futures-util",
"hickory-resolver",
"hmac",
"mockito",
"parking_lot",
@@ -3420,12 +3291,6 @@ dependencies = [
"uuid",
]
[[package]]
name = "portable-atomic"
version = "1.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
[[package]]
name = "potential_utf"
version = "0.1.5"
@@ -3450,17 +3315,6 @@ dependencies = [
"zerocopy",
]
[[package]]
name = "prefix-trie"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4cf6e3177f0684016a5c209b00882e15f8bdd3f3bb48f0491df10cd102d0c6e7"
dependencies = [
"either",
"ipnet",
"num-traits",
]
[[package]]
name = "prettyplease"
version = "0.2.37"
@@ -3878,12 +3732,6 @@ dependencies = [
"web-sys",
]
[[package]]
name = "resolv-conf"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e061d1b48cb8d38042de4ae0a7a6401009d6143dc80d2e2d6f31f0bdd6470c7"
[[package]]
name = "rfc6979"
version = "0.4.0"
@@ -4732,12 +4580,6 @@ dependencies = [
"libc",
]
[[package]]
name = "tagptr"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b2093cf4c8eb1e67749a6762251bc9cd836b6fc171623bd0a9d324d37af2417"
[[package]]
name = "tap"
version = "1.0.1"
@@ -5430,12 +5272,6 @@ dependencies = [
"rustls-pki-types",
]
[[package]]
name = "widestring"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "72069c3113ab32ab29e5584db3c6ec55d416895e60715417b5b883a357c3e471"
[[package]]
name = "winapi-util"
version = "0.1.11"
Cargo.toml
-1
View File
@@ -21,7 +21,6 @@ futures-util = "0.3"
# HTTP client
reqwest = { version = "0.13", default-features = false, features = ["json", "query", "stream", "gzip", "rustls", "http2"] }
hickory-resolver = "0.26"
# Serialization
serde = { version = "1.0", features = ["derive"] }
src/client.rs
-3
View File
@@ -101,8 +101,6 @@ pub struct ClobClient {
builder_code: Option<String>,
order_builder: Option<crate::orders::OrderBuilder>,
#[allow(dead_code)]
dns_cache: Option<std::sync::Arc<crate::dns_cache::DnsCache>>,
#[allow(dead_code)]
connection_manager: Option<std::sync::Arc<crate::connection_manager::ConnectionManager>>,
#[allow(dead_code)]
buffer_pool: std::sync::Arc<crate::buffer_pool::BufferPool>,
@@ -160,7 +158,6 @@ impl ClobClient {
api_creds,
builder_code: auth.builder_code,
order_builder,
dns_cache: None,
connection_manager,
buffer_pool,
}
src/dns_cache.rs
-137
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@@ -1,137 +0,0 @@
//! DNS caching to reduce lookup latency
//!
//! This module provides DNS caching functionality to avoid repeated DNS lookups
//! which can add 10-20ms per request.
use hickory_resolver::config::*;
use hickory_resolver::net::runtime::TokioRuntimeProvider;
use hickory_resolver::TokioResolver;
use std::collections::HashMap;
use std::net::IpAddr;
use std::sync::Arc;
use std::time::{Duration, Instant};
use tokio::sync::RwLock;
/// DNS cache entry with TTL
#[derive(Clone, Debug)]
struct DnsCacheEntry {
ips: Vec<IpAddr>,
expires_at: Instant,
}
/// DNS cache for resolving hostnames
pub struct DnsCache {
resolver: TokioResolver,
cache: Arc<RwLock<HashMap<String, DnsCacheEntry>>>,
default_ttl: Duration,
}
impl DnsCache {
/// Create a new DNS cache with system configuration
pub async fn new() -> Result<Self, Box<dyn std::error::Error>> {
let mut builder = TokioResolver::builder_with_config(
ResolverConfig::default(),
TokioRuntimeProvider::default(),
);
*builder.options_mut() = ResolverOpts::default();
let resolver = builder.build()?;
Ok(Self {
resolver,
cache: Arc::new(RwLock::new(HashMap::new())),
default_ttl: Duration::from_secs(300), // 5 minutes default TTL
})
}
/// Create a DNS cache with custom TTL
pub async fn with_ttl(ttl: Duration) -> Result<Self, Box<dyn std::error::Error>> {
let mut builder = TokioResolver::builder_with_config(
ResolverConfig::default(),
TokioRuntimeProvider::default(),
);
*builder.options_mut() = ResolverOpts::default();
let resolver = builder.build()?;
Ok(Self {
resolver,
cache: Arc::new(RwLock::new(HashMap::new())),
default_ttl: ttl,
})
}
/// Resolve a hostname, using cache if available
pub async fn resolve(&self, hostname: &str) -> Result<Vec<IpAddr>, Box<dyn std::error::Error>> {
// Check cache first
{
let cache = self.cache.read().await;
if let Some(entry) = cache.get(hostname) {
if entry.expires_at > Instant::now() {
return Ok(entry.ips.clone());
}
}
}
// Cache miss or expired, do actual lookup
let lookup = self.resolver.lookup_ip(hostname).await?;
let ips: Vec<IpAddr> = lookup.iter().collect();
// Store in cache
let entry = DnsCacheEntry {
ips: ips.clone(),
expires_at: Instant::now() + self.default_ttl,
};
let mut cache = self.cache.write().await;
cache.insert(hostname.to_string(), entry);
Ok(ips)
}
/// Pre-warm the cache by resolving a hostname
pub async fn prewarm(&self, hostname: &str) -> Result<(), Box<dyn std::error::Error>> {
self.resolve(hostname).await?;
Ok(())
}
/// Clear the cache
pub async fn clear(&self) {
let mut cache = self.cache.write().await;
cache.clear();
}
/// Get cache size
pub async fn cache_size(&self) -> usize {
let cache = self.cache.read().await;
cache.len()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[tokio::test]
#[ignore = "requires external DNS/network access"]
async fn test_dns_cache_resolve() {
let cache = DnsCache::new().await.unwrap();
let ips = cache.resolve("clob.polymarket.com").await.unwrap();
assert!(!ips.is_empty());
}
#[tokio::test]
#[ignore = "requires external DNS/network access"]
async fn test_dns_cache_prewarm() {
let cache = DnsCache::new().await.unwrap();
cache.prewarm("clob.polymarket.com").await.unwrap();
assert_eq!(cache.cache_size().await, 1);
}
#[tokio::test]
#[ignore = "requires external DNS/network access"]
async fn test_dns_cache_clear() {
let cache = DnsCache::new().await.unwrap();
cache.prewarm("clob.polymarket.com").await.unwrap();
cache.clear().await;
assert_eq!(cache.cache_size().await, 0);
}
}
src/lib.rs
-1
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@@ -179,7 +179,6 @@ pub mod buffer_pool;
pub mod client;
pub mod connection_manager;
pub mod decode;
pub mod dns_cache;
pub mod errors;
pub mod fill;
pub mod http_config;