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enable caching in hickory_dns w/ configurables.

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-03-24 23:59:28 -07:00 • committed by June
parent 21874f8ab7
commit 525379f8ac
3 changed files with 75 additions and 9 deletions
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25
src/config/mod.rs
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@ -57,6 +57,16 @@ pub struct Config {
pub pdu_cache_capacity: u32,
#[serde(default = "default_cleanup_second_interval")]
pub cleanup_second_interval: u32,
#[serde(default = "default_dns_cache_entries")]
pub dns_cache_entries: u32,
#[serde(default = "default_dns_min_ttl")]
pub dns_min_ttl: u64,
#[serde(default = "default_dns_min_ttl_nxdomain")]
pub dns_min_ttl_nxdomain: u64,
#[serde(default = "default_dns_attempts")]
pub dns_attempts: u16,
#[serde(default = "default_dns_timeout")]
pub dns_timeout: u64,
#[serde(default = "default_max_request_size")]
pub max_request_size: u32,
#[serde(default = "default_max_concurrent_requests")]
@ -301,6 +311,11 @@ impl fmt::Display for Config {
("Cache capacity modifier", &self.conduit_cache_capacity_modifier.to_string()),
("PDU cache capacity", &self.pdu_cache_capacity.to_string()),
("Cleanup interval in seconds", &self.cleanup_second_interval.to_string()),
("DNS cache entry limit", &self.dns_cache_entries.to_string()),
("DNS minimum ttl", &self.dns_min_ttl.to_string()),
("DNS minimum nxdomain ttl", &self.dns_min_ttl_nxdomain.to_string()),
("DNS attempts", &self.dns_attempts.to_string()),
("DNS timeout", &self.dns_timeout.to_string()),
("Maximum request size (bytes)", &self.max_request_size.to_string()),
("Maximum concurrent requests", &self.max_concurrent_requests.to_string()),
("Request connect timeout", &self.request_conn_timeout.to_string()),
@ -528,6 +543,16 @@ fn default_cleanup_second_interval() -> u32 {
1800 // every 30 minutes
}
fn default_dns_cache_entries() -> u32 { 12288 }
fn default_dns_min_ttl() -> u64 { 60 * 90 }
fn default_dns_min_ttl_nxdomain() -> u64 { 60 * 60 * 24 * 3 }
fn default_dns_attempts() -> u16 { 5 }
fn default_dns_timeout() -> u64 { 5 }
fn default_max_request_size() -> u32 {
20 * 1024 * 1024 // Default to 20 MB
}