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package main
import (
"net"
"sync"
)
type Device struct {
mtu int
fwMark uint32
address *net.UDPAddr // UDP source address
conn *net.UDPConn // UDP "connection"
mutex sync.RWMutex
privateKey NoisePrivateKey
publicKey NoisePublicKey
routingTable RoutingTable
indices IndexTable
log *Logger
queueWorkOutbound chan *OutboundWorkQueueElement
peers map[NoisePublicKey]*Peer
mac MacStateDevice
}
func (device *Device) SetPrivateKey(sk NoisePrivateKey) {
device.mutex.Lock()
defer device.mutex.Unlock()
// update key material
device.privateKey = sk
device.publicKey = sk.publicKey()
device.mac.Init(device.publicKey)
// do DH precomputations
for _, peer := range device.peers {
h := &peer.handshake
h.mutex.Lock()
h.precomputedStaticStatic = device.privateKey.sharedSecret(h.remoteStatic)
h.mutex.Unlock()
}
}
func (device *Device) Init() {
device.mutex.Lock()
defer device.mutex.Unlock()
device.log = NewLogger()
device.peers = make(map[NoisePublicKey]*Peer)
device.indices.Init()
device.routingTable.Reset()
}
func (device *Device) LookupPeer(pk NoisePublicKey) *Peer {
device.mutex.RLock()
defer device.mutex.RUnlock()
return device.peers[pk]
}
func (device *Device) RemovePeer(key NoisePublicKey) {
device.mutex.Lock()
defer device.mutex.Unlock()
peer, ok := device.peers[key]
if !ok {
return
}
peer.mutex.Lock()
device.routingTable.RemovePeer(peer)
delete(device.peers, key)
}
func (device *Device) RemoveAllAllowedIps(peer *Peer) {
}
func (device *Device) RemoveAllPeers() {
device.mutex.Lock()
defer device.mutex.Unlock()
for key, peer := range device.peers {
peer.mutex.Lock()
device.routingTable.RemovePeer(peer)
delete(device.peers, key)
peer.mutex.Unlock()
}
}
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