package pubsub

import (
	
	
	
	

	
	pool 
	

	
	
	

	pb 
)

// get the initial RPC containing all of our subscriptions to send to new peers
func ( *PubSub) () *RPC {
	var  RPC

	 := make(map[string]bool)

	for  := range .mySubs {
		[] = true
	}

	for  := range .myRelays {
		[] = true
	}

	for  := range  {
		 := &pb.RPC_SubOpts{
			Topicid:   proto.String(),
			Subscribe: proto.Bool(true),
		}
		.Subscriptions = append(.Subscriptions, )
	}
	return &
}

func ( *PubSub) ( network.Stream) {
	 := .Conn().RemotePeer()

	.inboundStreamsMx.Lock()
	,  := .inboundStreams[]
	if  {
		log.Debugf("duplicate inbound stream from %s; resetting other stream", )
		.Reset()
	}
	.inboundStreams[] = 
	.inboundStreamsMx.Unlock()

	defer func() {
		.inboundStreamsMx.Lock()
		if .inboundStreams[] ==  {
			delete(.inboundStreams, )
		}
		.inboundStreamsMx.Unlock()
	}()

	 := msgio.NewVarintReaderSize(, .maxMessageSize)
	for {
		,  := .ReadMsg()
		if  != nil {
			.ReleaseMsg()
			if  != io.EOF {
				.Reset()
				log.Debugf("error reading rpc from %s: %s", .Conn().RemotePeer(), )
			} else {
				// Just be nice. They probably won't read this
				// but it doesn't hurt to send it.
				.Close()
			}

			return
		}
		if len() == 0 {
			continue
		}

		 := new(RPC)
		 = .Unmarshal()
		.ReleaseMsg()
		if  != nil {
			.Reset()
			log.Warnf("bogus rpc from %s: %s", .Conn().RemotePeer(), )
			return
		}

		.from = 
		select {
		case .incoming <- :
		case <-.ctx.Done():
			// Close is useless because the other side isn't reading.
			.Reset()
			return
		}
	}
}

func ( *PubSub) ( peer.ID) {
	.peerDeadPrioLk.RLock()
	.peerDeadMx.Lock()
	.peerDeadPend[] = struct{}{}
	.peerDeadMx.Unlock()
	.peerDeadPrioLk.RUnlock()

	select {
	case .peerDead <- struct{}{}:
	default:
	}
}

func ( *PubSub) ( context.Context,  peer.ID,  *rpcQueue) {
	,  := .host.NewStream(.ctx, , .rt.Protocols()...)
	if  != nil {
		log.Debug("opening new stream to peer: ", , )

		select {
		case .newPeerError <- :
		case <-.Done():
		}

		return
	}

	go .handleSendingMessages(, , )
	go .handlePeerDead()
	select {
	case .newPeerStream <- :
	case <-.Done():
	}
}

func ( *PubSub) ( context.Context,  peer.ID,  time.Duration,  *rpcQueue) {
	select {
	case <-time.After():
		.handleNewPeer(, , )
	case <-.Done():
		return
	}
}

func ( *PubSub) ( network.Stream) {
	 := .Conn().RemotePeer()

	,  := .Read([]byte{0})
	if  == nil {
		log.Debugf("unexpected message from %s", )
	}

	.Reset()
	.notifyPeerDead()
}

func ( *PubSub) ( context.Context,  network.Stream,  *rpcQueue) {
	 := func( *RPC) error {
		 := uint64(.Size())

		 := pool.Get(varint.UvarintSize() + int())
		defer pool.Put()

		 := binary.PutUvarint(, )
		,  := .MarshalTo([:])
		if  != nil {
			return 
		}

		_,  = .Write()
		return 
	}

	defer .Close()
	for .Err() == nil {
		,  := .Pop()
		if  != nil {
			log.Debugf("popping message from the queue to send to %s: %s", .Conn().RemotePeer(), )
			return
		}

		 = ()
		if  != nil {
			.Reset()
			log.Debugf("writing message to %s: %s", .Conn().RemotePeer(), )
			return
		}
	}
}

func rpcWithSubs( ...*pb.RPC_SubOpts) *RPC {
	return &RPC{
		RPC: pb.RPC{
			Subscriptions: ,
		},
	}
}

func rpcWithMessages( ...*pb.Message) *RPC {
	return &RPC{RPC: pb.RPC{Publish: }}
}

func rpcWithControl( []*pb.Message,
	 []*pb.ControlIHave,
	 []*pb.ControlIWant,
	 []*pb.ControlGraft,
	 []*pb.ControlPrune,
	 []*pb.ControlIDontWant) *RPC {
	return &RPC{
		RPC: pb.RPC{
			Publish: ,
			Control: &pb.ControlMessage{
				Ihave:     ,
				Iwant:     ,
				Graft:     ,
				Prune:     ,
				Idontwant: ,
			},
		},
	}
}

func copyRPC( *RPC) *RPC {
	 := new(RPC)
	* = *
	if .Control != nil {
		.Control = new(pb.ControlMessage)
		*.Control = *.Control
	}
	return 
}