Peer: change locking to whole Peer object.

peer/peer.go

@@ -39,7 +39,8 @@ type Peer struct {
 	PubKey  ic.PubKey
 
 	latency time.Duration
-	latenLock sync.RWMutex
+
+	sync.RWMutex
 }
 
 // Key returns the ID as a Key (string) for maps.
@@ -49,6 +50,9 @@ func (p *Peer) Key() u.Key {
 
 // AddAddress adds the given Multiaddr address to Peer's addresses.
 func (p *Peer) AddAddress(a *ma.Multiaddr) {
+	p.Lock()
+	defer p.Unlock()
+
 	for _, addr := range p.Addresses {
 		if addr.Equal(a) {
 			return
@@ -59,6 +63,9 @@ func (p *Peer) AddAddress(a *ma.Multiaddr) {
 
 // NetAddress returns the first Multiaddr found for a given network.
 func (p *Peer) NetAddress(n string) *ma.Multiaddr {
+	p.RLock()
+	defer p.RUnlock()
+
 	for _, a := range p.Addresses {
 		ps, err := a.Protocols()
 		if err != nil {
@@ -76,17 +83,18 @@ func (p *Peer) NetAddress(n string) *ma.Multiaddr {
 
 // GetLatency retrieves the current latency measurement.
 func (p *Peer) GetLatency() (out time.Duration) {
-	p.latenLock.RLock()
+	p.RLock()
 	out = p.latency
-	p.latenLock.RUnlock()
+	p.RUnlock()
 	return
 }
 
 // SetLatency sets the latency measurement.
 // TODO: Instead of just keeping a single number,
 //		 keep a running average over the last hour or so
+// Yep, should be EWMA or something. (-jbenet)
 func (p *Peer) SetLatency(laten time.Duration) {
-	p.latenLock.Lock()
+	p.Lock()
 	p.latency = laten
-	p.latenLock.Unlock()
+	p.Unlock()
 }