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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2020 WireGuard LLC. All Rights Reserved.
*/
package device
import (
"sync/atomic"
"time"
)
// PeerStats are connection statistics for a given Peer.
type PeerStats struct {
RxBytes uint64
TxBytes uint64
LastHandshakeInitiated time.Time
}
// PeerStats returns statistics for the peer with public key pk,
// and reports whether the peer lookup succeeded.
func (device *Device) PeerStats(pk NoisePublicKey) (stats PeerStats, ok bool) {
device.peers.RLock()
peer := device.peers.keyMap[pk]
device.peers.RUnlock()
if peer == nil {
return PeerStats{}, false
}
peer.RLock()
defer peer.RUnlock()
stats = PeerStats{
RxBytes: atomic.LoadUint64(&peer.stats.rxBytes),
TxBytes: atomic.LoadUint64(&peer.stats.txBytes),
LastHandshakeInitiated: time.Unix(0, atomic.LoadInt64(&peer.stats.lastHandshakeNano)),
}
return stats, true
}
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