     
     public func session(session: MCSession!, didReceiveStream stream: NSInputStream!, withName streamName: String!, fromPeer peerID: MCPeerID!) {
         // Called when a peer establishes a stream with us
-
+        println("started receiving stream")
     }
     
     public func session(session: MCSession!, peer peerID: MCPeerID!, didChangeState state: MCSessionState) {

        var packet = DataPacket(blob: message, ttl: 10) // TODO encrypt
        var item = BufferItem(packet: packet, rTime: NSDate())
        self.buffer.append(item)
    }
    
    public func logPeers() {

    // MCSessionDelegate
    public func session(session: MCSession!, didReceiveData data: NSData!, fromPeer peerID: MCPeerID!) {
        // Called when a peer sends an NSData to us
        println("did receive data")
        
//        // This needs to run on the main queue
//        dispatch_async(dispatch_get_main_queue()) {
//            
//            var msg = NSString(data: data, encoding: NSUTF8StringEncoding)
//            
//            // self.updateChat(msg, fromPeer: peerID)
//        }

        var packet = DataPacket.deserialize(data)
        // check if ours
        var ours = false
        
        if ours {
            // TODO implement
        } else {
            if packet.decrementTTL() {
                if !inBuffer(packet) {
                    buffer.append(BufferItem(packet: packet, rTime: NSDate()))
                    evict()
                }
            }
        }
        
        println("buffer length: ", buffer.count)
        
    }
    
    public func inBuffer(packet : DataPacket) -> Bool {
        for item in self.buffer {
            if item.packetItem.equalsPacket(packet) {
                return true
            }
        }
        return false
    }
    
    // trim buffer to desired length
    public func evict() {
        
    }
    
    public func session(session: MCSession!, didStartReceivingResourceWithName resourceName: String!, fromPeer peerID: MCPeerID!, withProgress progress: NSProgress!) {
