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use serde::{de, Deserialize, Deserializer}; #[allow(unused_imports)] use crate::internal_prelude::*; use crate::{ resolver::{AsyncHyperResolver, Resolver, RESERVED_SUBNETS}, types, }; type Result<T> = types::Result<T>; #[derive(Clone, Debug)] pub struct CLevel(pub Level); impl Deref for CLevel { type Target = Level; fn deref(&self) -> &Self::Target { &self.0 } } impl<'de> Deserialize<'de> for CLevel { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> std::result::Result<CLevel, D::Error> { let s: String = Deserialize::deserialize(deserializer)?; Level::from_str(&s).map(CLevel).map_err(de::Error::custom) } } #[derive(Clone, Debug)] pub struct CIP4Addr(pub Ipv4Addr); impl Deref for CIP4Addr { type Target = Ipv4Addr; fn deref(&self) -> &Self::Target { &self.0 } } impl<'de> Deserialize<'de> for CIP4Addr { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> std::result::Result<CIP4Addr, D::Error> { let s: String = Deserialize::deserialize(deserializer)?; let addr: Ipv4Addr = s.parse().map_err(de::Error::custom)?; Ok(CIP4Addr(addr)) } } #[derive(Clone, Debug)] pub struct CIP6Addr(pub Ipv6Addr); impl Deref for CIP6Addr { type Target = Ipv6Addr; fn deref(&self) -> &Self::Target { &self.0 } } impl<'de> Deserialize<'de> for CIP6Addr { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> std::result::Result<CIP6Addr, D::Error> { let s: String = Deserialize::deserialize(deserializer)?; let addr: Ipv6Addr = s.parse().map_err(de::Error::custom)?; Ok(CIP6Addr(addr)) } } #[derive(Clone, Debug)] pub struct CBytes(pub usize); impl Deref for CBytes { type Target = usize; fn deref(&self) -> &Self::Target { &self.0 } } impl<'de> Deserialize<'de> for CBytes { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> std::result::Result<CBytes, D::Error> { let s: String = Deserialize::deserialize(deserializer)?; let s = s.replace("_", ""); let v = s.parse::<humanize_rs::bytes::Bytes>(); let r = v.map_err(de::Error::custom)?; Ok(CBytes(r.size())) } } #[derive(Clone, Debug)] pub struct CDuration(Duration); impl Deref for CDuration { type Target = Duration; fn deref(&self) -> &Self::Target { &self.0 } } impl CDuration { pub fn from_secs(secs: u64) -> Self { CDuration(Duration::from_secs(secs)) } pub fn from_millis(millis: u64) -> Self { CDuration(Duration::from_millis(millis)) } } impl<'de> Deserialize<'de> for CDuration { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> std::result::Result<CDuration, D::Error> { let s: String = Deserialize::deserialize(deserializer)?; let s = s.replace("_", ""); let v = humanize_rs::duration::parse(&s); let r = v.map_err(de::Error::custom)?; Ok(CDuration(r)) } } #[derive(Clone, Debug, Deserialize)] pub struct ConcurrencyProfile { pub parser_concurrency: usize, pub domain_concurrency: usize, } impl Default for ConcurrencyProfile { fn default() -> Self { let physical_cores = num_cpus::get_physical(); Self { parser_concurrency: physical_cores, domain_concurrency: physical_cores * 40 } } } impl ConcurrencyProfile { pub fn transit_buffer_size(&self) -> usize { self.domain_concurrency * 100 } pub fn job_tx_buffer_size(&self) -> usize { self.domain_concurrency * 3 } pub fn job_update_buffer_size(&self) -> usize { self.domain_concurrency * 3 } } #[derive(Clone, Debug, Deserialize)] pub struct NetworkingProfileValues { pub connect_timeout: Option<CDuration>, pub socket_read_buffer_size: Option<CBytes>, pub socket_write_buffer_size: Option<CBytes>, pub bind_local_ipv4: Option<CIP4Addr>, pub bind_local_ipv6: Option<CIP6Addr>, } impl Default for NetworkingProfileValues { fn default() -> Self { Self { connect_timeout: Some(CDuration::from_secs(5)), socket_write_buffer_size: Some(CBytes(32 * 1024)), socket_read_buffer_size: Some(CBytes(32 * 1024)), bind_local_ipv4: None, bind_local_ipv6: None, } } } #[derive(Clone, Debug, Deserialize)] pub struct NetworkingProfile<R: Resolver = AsyncHyperResolver> { pub values: NetworkingProfileValues, #[serde(skip)] #[serde(default = "Option::default")] pub resolver: Option<Arc<R>>, } impl Default for NetworkingProfile<AsyncHyperResolver> { fn default() -> Self { Self { values: NetworkingProfileValues::default(), resolver: None } } } impl<R: Resolver> NetworkingProfile<R> { pub fn resolve(self) -> Result<ResolvedNetworkingProfile<R>> { ResolvedNetworkingProfile::new(self) } } #[derive(Clone, Debug)] pub struct ResolvedNetworkingProfile<R: Resolver = AsyncHyperResolver> { pub values: NetworkingProfileValues, pub resolver: Arc<R>, } impl<R: Resolver> ResolvedNetworkingProfile<R> { fn new(p: NetworkingProfile<R>) -> Result<Self> { let resolver = if let Some(r) = p.resolver { r } else { Arc::new( R::new_default() .context("cannot create default resolver")? .with_net_blacklist(Arc::clone(&RESERVED_SUBNETS)), ) }; Ok(Self { values: p.values, resolver }) } } #[derive(Clone, Debug, Deserialize)] pub struct CrawlingSettings { pub internal_read_buffer_size: CBytes, pub concurrency: usize, pub max_response_size: CBytes, pub delay: CDuration, pub delay_jitter: CDuration, pub load_timeout: CDuration, pub job_soft_timeout: CDuration, pub job_hard_timeout: CDuration, pub custom_headers: HashMap<String, Vec<String>>, pub user_agent: Option<String>, pub compression: bool, } impl fmt::Display for CrawlingSettings { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!( f, "concurrency: {}, delay: {:?}, job hard timeout: {:?}, job soft timeout: {:?}, irbs: {:?}, load timeout: {:?}, max_response_size: {:?}, custom headers: {:?}", self.concurrency, self.delay, self.job_hard_timeout, self.job_soft_timeout, self.internal_read_buffer_size, self.load_timeout, self.max_response_size, self.custom_headers, ) } } impl Default for CrawlingSettings { fn default() -> Self { Self { concurrency: 2, internal_read_buffer_size: CBytes(32 * 1024), delay: CDuration::from_secs(1), delay_jitter: CDuration::from_millis(1000), job_hard_timeout: CDuration::from_secs(60), job_soft_timeout: CDuration::from_secs(30), load_timeout: CDuration::from_secs(10), user_agent: Some(String::from("crusty-core/0.31.0")), compression: true, custom_headers: HashMap::new(), max_response_size: CBytes(1024 * 1024 * 2), } } } impl CrawlingSettings { pub fn build(&mut self) { if let Some(user_agent) = &self.user_agent { self.custom_headers.insert(http::header::USER_AGENT.to_string(), vec![user_agent.clone()]); } if self.compression { self.custom_headers.insert(http::header::ACCEPT_ENCODING.to_string(), vec!["gzip, deflate".into()]); } self.custom_headers.insert( http::header::ACCEPT.to_string(), vec!["text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9".into()], ); } }