pub fn find_old_labels(
        &self,
        thread_pool: &ThreadPool,
        now: u64,
        timeouts: &HashMap<Pubkey, u64>,
    ) -> Vec<CrdsValueLabel> {
        let default_timeout = *timeouts
            .get(&Pubkey::default())
            .expect("must have default timeout");
        // Given an index of all crd values associated with a pubkey,
        // returns crds labels of old values to be evicted.
        let evict = |pubkey, index: &IndexSet<usize>| {
            let timeout = timeouts.get(pubkey).copied().unwrap_or(default_timeout);
            // If the origin's contact-info hasn't expired yet then preserve
            // all associated values.
            let origin = CrdsValueLabel::ContactInfo(*pubkey);
            if let Some(origin) = self.table.get(&origin) {
                if now < origin.local_timestamp.saturating_add(timeout) {
                    return vec![];
                }
            }
            // Otherwise check each value's timestamp individually.
            index
                .into_iter()
                .filter_map(|ix| {
                    let (label, value) = self.table.get_index(*ix).unwrap();
                    if value.local_timestamp.saturating_add(timeout) <= now {
                        Some(label.clone())
                    } else {
                        None
                    }
                })
                .collect::<Vec<_>>()
        };
        thread_pool.install(|| {
            self.records
                .par_iter()
                .flat_map(|(pubkey, index)| evict(pubkey, index))
                .collect()
        })
    }
/// Find all the keys that are older or equal to the timeout.
/// * timeouts - Pubkey specific timeouts with Pubkey::default() as the default timeout.
Find all the keys that are older or equal to the timeout.
timeouts - Pubkey specific timeouts with Pubkey::default() as the default timeout.
Find all the keys that are older or equal to the timeout . timeouts - Pubkey specific timeouts with Pubkey :: default () as the default timeout .
pub fn find_old_labels(
        &self,
        thread_pool: &ThreadPool,
        now: u64,
        timeouts: &HashMap<Pubkey, u64>,
    ) -> Vec<CrdsValueLabel> {
        let default_timeout = *timeouts
            .get(&Pubkey::default())
            .expect("must have default timeout");
        // Given an index of all crd values associated with a pubkey,
        // returns crds labels of old values to be evicted.
        let evict = |pubkey, index: &IndexSet<usize>| {
            let timeout = timeouts.get(pubkey).copied().unwrap_or(default_timeout);
            // If the origin's contact-info hasn't expired yet then preserve
            // all associated values.
            let origin = CrdsValueLabel::ContactInfo(*pubkey);
            if let Some(origin) = self.table.get(&origin) {
                if now < origin.local_timestamp.saturating_add(timeout) {
                    return vec![];
                }
            }
            // Otherwise check each value's timestamp individually.
            index
                .into_iter()
                .filter_map(|ix| {
                    let (label, value) = self.table.get_index(*ix).unwrap();
                    if value.local_timestamp.saturating_add(timeout) <= now {
                        Some(label.clone())
                    } else {
                        None
                    }
                })
                .collect::<Vec<_>>()
        };
        thread_pool.install(|| {
            self.records
                .par_iter()
                .flat_map(|(pubkey, index)| evict(pubkey, index))
                .collect()
        })
    }
pub fn find_old_labels ( & self , thread_pool : & ThreadPool , now : u64 , timeouts : & HashMap < Pubkey , u64 > , ) -> Vec < CrdsValueLabel > { let default_timeout = * timeouts . get ( & Pubkey :: default ( ) ) . expect ( " " ) ; // Given an index of all crd values associated with a pubkey, // returns crds labels of old values to be evicted. let evict = | pubkey , index : & IndexSet < usize > | { let timeout = timeouts . get ( pubkey ) . copied ( ) . unwrap_or ( default_timeout ) ; // If the origin's contact-info hasn't expired yet then preserve // all associated values. let origin = CrdsValueLabel :: ContactInfo ( * pubkey ) ; if let Some ( origin ) = self . table . get ( & origin ) { if now < origin . local_timestamp . saturating_add ( timeout ) { return vec ! [ ] ; } } // Otherwise check each value's timestamp individually. index . into_iter ( ) . filter_map ( | ix | { let ( label , value ) = self . table . get_index ( * ix ) . unwrap ( ) ; if value . local_timestamp . saturating_add ( timeout ) <= now { Some ( label . clone ( ) ) } else { None } } ) . collect :: < Vec < _ > > ( ) } ; thread_pool . install ( | | { self . records . par_iter ( ) . flat_map ( | ( pubkey , index ) | evict ( pubkey , index ) ) . collect ( ) } ) }
Find all the keys that are older or equal to the timeout.
Find all the keys that are older or equal to the timeout .
&self
thread_pool
&ThreadPool
now
u64
timeouts
&HashMap<Pubkey, u64>