Work on UAPI

Cross-platform API (get operation)
Handshake initiation creation process
Outbound packet flow
Fixes from code-review

src/peer.go

@@ -7,9 +7,7 @@ import (
 	"time"
 )
 
-const (
-	OutboundQueueSize = 64
-)
+const ()
 
 type Peer struct {
 	mutex                       sync.RWMutex
@@ -18,10 +16,26 @@ type Peer struct {
 	keyPairs                    KeyPairs
 	handshake                   Handshake
 	device                      *Device
-	queueInbound                chan []byte
-	queueOutbound               chan *OutboundWorkQueueElement
-	queueOutboundRouting        chan []byte
-	mac                         MacStatePeer
+	tx_bytes                    uint64
+	rx_bytes                    uint64
+	time                        struct {
+		lastSend time.Time // last send message
+	}
+	signal struct {
+		newHandshake    chan bool
+		flushNonceQueue chan bool // empty queued packets
+		stopSending     chan bool // stop sending pipeline
+		stopInitiator   chan bool // stop initiator timer
+	}
+	timer struct {
+		sendKeepalive    time.Timer
+		handshakeTimeout time.Timer
+	}
+	queue struct {
+		nonce    chan []byte                // nonce / pre-handshake queue
+		outbound chan *QueueOutboundElement // sequential ordering of work
+	}
+	mac MacStatePeer
 }
 
 func (device *Device) NewPeer(pk NoisePublicKey) *Peer {
@@ -33,7 +47,8 @@ func (device *Device) NewPeer(pk NoisePublicKey) *Peer {
 	peer.device = device
 	peer.keyPairs.Init()
 	peer.mac.Init(pk)
-	peer.queueOutbound = make(chan *OutboundWorkQueueElement, OutboundQueueSize)
+	peer.queue.outbound = make(chan *QueueOutboundElement, QueueOutboundSize)
+	peer.queue.nonce = make(chan []byte, QueueOutboundSize)
 
 	// map public key
 
@@ -54,5 +69,20 @@ func (device *Device) NewPeer(pk NoisePublicKey) *Peer {
 	handshake.mutex.Unlock()
 	peer.mutex.Unlock()
 
+	// start workers
+
+	peer.signal.stopSending = make(chan bool, 1)
+	peer.signal.stopInitiator = make(chan bool, 1)
+	peer.signal.newHandshake = make(chan bool, 1)
+	peer.signal.flushNonceQueue = make(chan bool, 1)
+
+	go peer.RoutineNonce()
+	go peer.RoutineHandshakeInitiator()
+
 	return &peer
 }
+
+func (peer *Peer) Close() {
+	peer.signal.stopSending <- true
+	peer.signal.stopInitiator <- true
+}