From f03dea91367c6e49de7df0fbda0fb0d375e57138 Mon Sep 17 00:00:00 2001
From: Josh Deprez <josh.deprez@gmail.com>
Date: Sat, 30 Mar 2024 20:35:19 +1100
Subject: [PATCH] local seq

---
 aurp/transport.go | 18 ++++++++++++++++--
 peer.go           |  3 ++-
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/aurp/transport.go b/aurp/transport.go
index 706aa23..45655d9 100644
--- a/aurp/transport.go
+++ b/aurp/transport.go
@@ -51,6 +51,20 @@ type Transport struct {
 	LocalSeq, RemoteSeq uint16
 }
 
+func (tr *Transport) IncLocalSeq() {
+	tr.LocalSeq++
+	if tr.LocalSeq == 0 {
+		tr.LocalSeq = 1
+	}
+}
+
+func (tr *Transport) IncRemoteSeq() {
+	tr.RemoteSeq++
+	if tr.RemoteSeq == 0 {
+		tr.RemoteSeq = 1
+	}
+}
+
 // domainHeader returns a new domain header suitable for sending a packet.
 func (tr *Transport) domainHeader(pt PacketType) DomainHeader {
 	return DomainHeader{
@@ -111,10 +125,10 @@ func (tr *Transport) NewOpenRspPacket(envFlags RoutingFlag, rateOrErr int16, opt
 	}
 }
 
-func (tr *Transport) NewRIRspPacket(connID, seq uint16, last RoutingFlag, nets NetworkTuples) *RIRspPacket {
+func (tr *Transport) NewRIRspPacket(last RoutingFlag, nets NetworkTuples) *RIRspPacket {
 	return &RIRspPacket{
 		Header: Header{
-			TrHeader:    tr.sequenced(connID, seq),
+			TrHeader:    tr.sequenced(tr.RemoteConnID, tr.LocalSeq),
 			CommandCode: CmdCodeRIRsp,
 			Flags:       last,
 		},
diff --git a/peer.go b/peer.go
index e8696a5..7db24e1 100644
--- a/peer.go
+++ b/peer.go
@@ -233,7 +233,8 @@ func (p *peer) handle(ctx context.Context) error {
 						Distance:   1,
 					},
 				}
-				if _, err := p.send(p.tr.NewRIRspPacket(pkt.ConnectionID, p.tr.LocalSeq, aurp.RoutingFlagLast, nets)); err != nil {
+				p.tr.LocalSeq = 1
+				if _, err := p.send(p.tr.NewRIRspPacket(aurp.RoutingFlagLast, nets)); err != nil {
 					log.Printf("Couldn't send RI-Rsp packet: %v", err)
 				}
 				sstate = ssWaitForRIAck1