diff --git a/addrmgr/addrmanager.go b/addrmgr/addrmanager.go index a8a8fb3338..fa8f27bcae 100644 --- a/addrmgr/addrmanager.go +++ b/addrmgr/addrmanager.go @@ -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 {