libp2p/go-libp2p-peerstore
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reduce allocations when adding addrs

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This commit is contained in:
Steven Allen 2019-06-28 13:26:17 +02:00
parent 693780b745
commit 491519a817
1 changed files with 7 additions and 7 deletions
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14
pstoremem/addr_book.go
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@ -154,10 +154,10 @@ func (mab *memoryAddrBook) AddAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Du
log.Warningf("was passed nil multiaddr for %s", p)
continue
}
addrstr := string(addr.Bytes())
a, found := amap[addrstr]
asBytes := addr.Bytes()
a, found := amap[string(asBytes)] // won't allocate.
if !found || exp.After(a.Expires) {
amap[addrstr] = &expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
amap[string(asBytes)] = &expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
mab.subManager.BroadcastAddr(p, addr)
}
@ -188,14 +188,14 @@ func (mab *memoryAddrBook) SetAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Du
log.Warningf("was passed nil multiaddr for %s", p)
continue
}
// re-set all of them for new ttl.
addrstr := string(addr.Bytes())
// re-set all of them for new ttl.
aBytes := addr.Bytes()
if ttl > 0 {
amap[addrstr] = &expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
amap[string(aBytes)] = &expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
mab.subManager.BroadcastAddr(p, addr)
} else {
delete(amap, addrstr)
delete(amap, string(aBytes))
}
}
}