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bucket.go
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/
bucket.go
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package dht
import (
"time"
"github.com/anacrolix/chansync"
"github.com/anacrolix/dht/v2/int160"
)
type bucket struct {
// Per the "Routing Table" section of BEP 5.
changed chansync.BroadcastCond
lastChanged time.Time
nodes map[*node]struct{}
}
func (b *bucket) Len() int {
return len(b.nodes)
}
func (b *bucket) EachNode(f func(*node) bool) bool {
for n := range b.nodes {
if !f(n) {
return false
}
}
return true
}
func (b *bucket) AddNode(n *node, k int) {
if _, ok := b.nodes[n]; ok {
return
}
if b.nodes == nil {
b.nodes = make(map[*node]struct{}, k)
}
b.nodes[n] = struct{}{}
b.lastChanged = time.Now()
b.changed.Broadcast()
}
func (b *bucket) GetNode(addr Addr, id int160.T) *node {
for n := range b.nodes {
if n.hasAddrAndID(addr, id) {
return n
}
}
return nil
}