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p2p: use enode.ID type in metered connection (#17933) 

Change the type of the metered connection's id field from string to enode.ID.
This commit is contained in:
Kurkó Mihály 2018-11-08 13:11:20 +02:00 committed by Felix Lange
parent cf3b187bde
commit 503993c819
1 changed files with 5 additions and 6 deletions
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11
p2p/metrics.go
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@ -74,7 +74,7 @@ const (
type MeteredPeerEvent struct { type MeteredPeerEvent struct {
Type MeteredPeerEventType // Type of peer event Type MeteredPeerEventType // Type of peer event
IP net.IP // IP address of the peer IP net.IP // IP address of the peer
ID string // NodeID of the peer ID enode.ID // NodeID of the peer
Elapsed time.Duration // Time elapsed between the connection and the handshake/disconnection Elapsed time.Duration // Time elapsed between the connection and the handshake/disconnection
Ingress uint64 // Ingress count at the moment of the event Ingress uint64 // Ingress count at the moment of the event
Egress uint64 // Egress count at the moment of the event Egress uint64 // Egress count at the moment of the event
@ -93,7 +93,7 @@ type meteredConn struct {
connected time.Time // Connection time of the peer connected time.Time // Connection time of the peer
ip net.IP // IP address of the peer ip net.IP // IP address of the peer
id string // NodeID of the peer id enode.ID // NodeID of the peer
// trafficMetered denotes if the peer is registered in the traffic registries. // trafficMetered denotes if the peer is registered in the traffic registries.
// Its value is true if the metered peer count doesn't reach the limit in the // Its value is true if the metered peer count doesn't reach the limit in the
@ -160,8 +160,7 @@ func (c *meteredConn) Write(b []byte) (n int, err error) {
// handshakeDone is called when a peer handshake is done. Registers the peer to // handshakeDone is called when a peer handshake is done. Registers the peer to
// the ingress and the egress traffic registries using the peer's IP and node ID, // the ingress and the egress traffic registries using the peer's IP and node ID,
// also emits connect event. // also emits connect event.
func (c *meteredConn) handshakeDone(nodeID enode.ID) { func (c *meteredConn) handshakeDone(id enode.ID) {
id := nodeID.String()
if atomic.AddInt32(&meteredPeerCount, 1) >= MeteredPeerLimit { if atomic.AddInt32(&meteredPeerCount, 1) >= MeteredPeerLimit {
// Don't register the peer in the traffic registries. // Don't register the peer in the traffic registries.
atomic.AddInt32(&meteredPeerCount, -1) atomic.AddInt32(&meteredPeerCount, -1)
@ -170,7 +169,7 @@ func (c *meteredConn) handshakeDone(nodeID enode.ID) {
c.lock.Unlock() c.lock.Unlock()
log.Warn("Metered peer count reached the limit") log.Warn("Metered peer count reached the limit")
} else { } else {
key := fmt.Sprintf("%s/%s", c.ip, id) key := fmt.Sprintf("%s/%s", c.ip, id.String())
c.lock.Lock() c.lock.Lock()
c.id, c.trafficMetered = id, true c.id, c.trafficMetered = id, true
c.ingressMeter = metrics.NewRegisteredMeter(key, PeerIngressRegistry) c.ingressMeter = metrics.NewRegisteredMeter(key, PeerIngressRegistry)
@ -190,7 +189,7 @@ func (c *meteredConn) handshakeDone(nodeID enode.ID) {
func (c *meteredConn) Close() error { func (c *meteredConn) Close() error {
err := c.Conn.Close() err := c.Conn.Close()
c.lock.RLock() c.lock.RLock()
if c.id == "" { if c.id == (enode.ID{}) {
// If the peer disconnects before the handshake. // If the peer disconnects before the handshake.
c.lock.RUnlock() c.lock.RUnlock()
meteredPeerFeed.Send(MeteredPeerEvent{ meteredPeerFeed.Send(MeteredPeerEvent{