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addrmgr: Use RLock/RUnlock when possible

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Gustavo Chain 2021-03-09 18:22:04 +01:00 committed by Roy Lee
parent fdb479f121
commit 8dc0b54ebf
1 changed files with 7 additions and 7 deletions
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14
addrmgr/addrmanager.go
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@ -30,7 +30,7 @@ import (
// AddrManager provides a concurrency safe address manager for caching potential
// peers on the bitcoin network.
type AddrManager struct {
mtx sync.Mutex
mtx sync.RWMutex
peersFile string
lookupFunc func(string) ([]net.IP, error)
rand *rand.Rand
@ -645,8 +645,8 @@ func (a *AddrManager) numAddresses() int {
// NumAddresses returns the number of addresses known to the address manager.
func (a *AddrManager) NumAddresses() int {
a.mtx.Lock()
defer a.mtx.Unlock()
a.mtx.RLock()
defer a.mtx.RUnlock()
return a.numAddresses()
}
@ -654,8 +654,8 @@ func (a *AddrManager) NumAddresses() int {
// NeedMoreAddresses returns whether or not the address manager needs more
// addresses.
func (a *AddrManager) NeedMoreAddresses() bool {
a.mtx.Lock()
defer a.mtx.Unlock()
a.mtx.RLock()
defer a.mtx.RUnlock()
return a.numAddresses() < needAddressThreshold
}
@ -685,8 +685,8 @@ func (a *AddrManager) AddressCache() []*wire.NetAddress {
// getAddresses returns all of the addresses currently found within the
// manager's address cache.
func (a *AddrManager) getAddresses() []*wire.NetAddress {
a.mtx.Lock()
defer a.mtx.Unlock()
a.mtx.RLock()
defer a.mtx.RUnlock()
addrIndexLen := len(a.addrIndex)
if addrIndexLen == 0 {