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@ -1,86 +1,87 @@
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package yggdrasil
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import (
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"sync"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"sync"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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)
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type awdl struct {
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core *Core
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mutex sync.RWMutex // protects interfaces below
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interfaces map[string]*awdlInterface
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core *Core
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mutex sync.RWMutex // protects interfaces below
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interfaces map[string]*awdlInterface
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}
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type awdlInterface struct {
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awdl *awdl
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recv <-chan []byte // traffic received from the network
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send chan<- []byte // traffic to send to the network
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shutdown chan bool
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peer *peer
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awdl *awdl
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recv <-chan []byte // traffic received from the network
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send chan<- []byte // traffic to send to the network
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shutdown chan bool
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peer *peer
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}
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func (l *awdl) init(c *Core) error {
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l.core = c
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l.mutex.Lock()
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l.interfaces = make(map[string]*awdlInterface)
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l.mutex.Unlock()
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l.core = c
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l.mutex.Lock()
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l.interfaces = make(map[string]*awdlInterface)
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l.mutex.Unlock()
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return nil
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return nil
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}
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func (l *awdl) create(boxPubKey *crypto.BoxPubKey, sigPubKey *crypto.SigPubKey, name string) *awdlInterface {
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shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
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intf := awdlInterface{
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recv: make(<-chan []byte),
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send: make(chan<- []byte),
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shutdown: make(chan bool),
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peer: l.core.peers.newPeer(boxPubKey, sigPubKey, shared, name),
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}
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if intf.peer != nil {
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l.mutex.Lock()
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l.interfaces[name] = &intf
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l.mutex.Unlock()
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intf.peer.linkOut = make(chan []byte, 1) // protocol traffic
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intf.peer.out = func(msg []byte) {
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defer func() { recover() }()
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intf.send <- msg
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}
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go intf.handler()
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l.core.switchTable.idleIn <- intf.peer.port
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return &intf
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}
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return nil
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shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
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intf := awdlInterface{
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recv: make(<-chan []byte),
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send: make(chan<- []byte),
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shutdown: make(chan bool),
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peer: l.core.peers.newPeer(boxPubKey, sigPubKey, shared, name),
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}
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if intf.peer != nil {
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l.mutex.Lock()
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l.interfaces[name] = &intf
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l.mutex.Unlock()
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intf.peer.linkOut = make(chan []byte, 1)
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intf.peer.out = func(msg []byte) {
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defer func() { recover() }()
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intf.send <- msg
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}
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go intf.handler()
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l.core.switchTable.idleIn <- intf.peer.port
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return &intf
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}
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return nil
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}
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func (l *awdl) getInterface(identity string) *awdlInterface {
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l.mutex.RLock()
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defer l.mutex.RUnlock()
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if intf, ok := l.interfaces[identity]; ok {
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return intf
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}
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return nil
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l.mutex.RLock()
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defer l.mutex.RUnlock()
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if intf, ok := l.interfaces[identity]; ok {
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return intf
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}
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return nil
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}
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func (l *awdl) shutdown(identity string) {
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if intf, ok := l.interfaces[identity]; ok {
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intf.shutdown <- true
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l.core.peers.removePeer(intf.peer.port)
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l.mutex.Lock()
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delete(l.interfaces, identity)
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l.mutex.Unlock()
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}
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if intf, ok := l.interfaces[identity]; ok {
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intf.shutdown <- true
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l.core.peers.removePeer(intf.peer.port)
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l.mutex.Lock()
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delete(l.interfaces, identity)
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l.mutex.Unlock()
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}
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}
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func (ai *awdlInterface) handler() {
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for {
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select {
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case p := <-ai.peer.linkOut:
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ai.send <- p
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case r := <-ai.recv: // traffic received from AWDL
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ai.peer.handlePacket(r)
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case <-ai.shutdown:
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return
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default:
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}
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}
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for {
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select {
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case p := <-ai.peer.linkOut:
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ai.send <- p
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case r := <-ai.recv: // traffic received from AWDL
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ai.peer.handlePacket(r)
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case <-ai.shutdown:
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return
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default:
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}
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}
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}
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