From 3cf6cd948b1a514eb728df1345aed7e1353fa893 Mon Sep 17 00:00:00 2001
From: Louis Royer <infos.louis.royer@gmail.com>
Date: Tue, 17 Dec 2024 18:15:59 +0100
Subject: [PATCH] wip close #23

---
 jsonapi/n1n2/handover_command.go     | 21 +++++++++++++++++++++
 jsonapi/n1n2/handover_confirm.go     | 11 +++++++++++
 jsonapi/n1n2/handover_notify.go      | 11 +++++++++++
 jsonapi/n1n2/handover_request.go     | 10 ++++++++++
 jsonapi/n1n2/handover_request_ack.go | 10 ++++++++++
 jsonapi/n1n2/handover_required.go    | 19 +++++++++++++++++++
 6 files changed, 82 insertions(+)
 create mode 100644 jsonapi/n1n2/handover_command.go
 create mode 100644 jsonapi/n1n2/handover_confirm.go
 create mode 100644 jsonapi/n1n2/handover_notify.go
 create mode 100644 jsonapi/n1n2/handover_request.go
 create mode 100644 jsonapi/n1n2/handover_request_ack.go
 create mode 100644 jsonapi/n1n2/handover_required.go

diff --git a/jsonapi/n1n2/handover_command.go b/jsonapi/n1n2/handover_command.go
new file mode 100644
index 0000000..eb1bb65
--- /dev/null
+++ b/jsonapi/n1n2/handover_command.go
@@ -0,0 +1,21 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+import (
+	"net/netip"
+
+	"github.com/nextmn/json-api/jsonapi"
+)
+
+// Handovercommand is sent by the CP to the source gNB to start the execution of handover, and forwarded to the UE
+type HandoverCommand struct {
+	UeCtrl    jsonapi.ControlURI `json:"ue-ctrl"`
+	Cp        jsonapi.ControlURI `json:"cp"`
+	Sessions  []netip.Addr       `json:"sessions"`
+	gNBSource jsonapi.ControlURI `json:"gnb-source"`
+	gNBTarget jsonapi.ControlURI `json:"gnb-target"`
+}
diff --git a/jsonapi/n1n2/handover_confirm.go b/jsonapi/n1n2/handover_confirm.go
new file mode 100644
index 0000000..ec9c03a
--- /dev/null
+++ b/jsonapi/n1n2/handover_confirm.go
@@ -0,0 +1,11 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+// HandoverConfirm is send by the target UE to the target gNB after the UE is synchronized to the new cell
+type HandoverConfirm struct {
+	Command HandoverCommand `json:"handover-command"`
+}
diff --git a/jsonapi/n1n2/handover_notify.go b/jsonapi/n1n2/handover_notify.go
new file mode 100644
index 0000000..b7701ed
--- /dev/null
+++ b/jsonapi/n1n2/handover_notify.go
@@ -0,0 +1,11 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+// HandoverNotify is send by the target gNB to the CP after handover have been confirmed by the UE
+type HandoverNotify struct {
+	Command HandoverCommand `json:"handover-command"`
+}
diff --git a/jsonapi/n1n2/handover_request.go b/jsonapi/n1n2/handover_request.go
new file mode 100644
index 0000000..4fbbd16
--- /dev/null
+++ b/jsonapi/n1n2/handover_request.go
@@ -0,0 +1,10 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+// HandoverRequest is send by the CP to the target gNB during the handover preparation phase
+type HandoverRequest struct {
+}
diff --git a/jsonapi/n1n2/handover_request_ack.go b/jsonapi/n1n2/handover_request_ack.go
new file mode 100644
index 0000000..b3a30f6
--- /dev/null
+++ b/jsonapi/n1n2/handover_request_ack.go
@@ -0,0 +1,10 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+// HandoverRequestAck is send by the target gNB to the CP in response to an HandoverRequest
+type HandoverRequestAck struct {
+}
diff --git a/jsonapi/n1n2/handover_required.go b/jsonapi/n1n2/handover_required.go
new file mode 100644
index 0000000..24b456d
--- /dev/null
+++ b/jsonapi/n1n2/handover_required.go
@@ -0,0 +1,19 @@
+// Copyright 2024 Louis Royer and the NextMN contributors. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+// SPDX-License-Identifier: MIT
+
+package n1n2
+
+import (
+	"net/netip"
+
+	"github.com/nextmn/json-api/jsonapi"
+)
+
+// HandoverRequired is send by the source gNB to the CP to start the handover preparation phase
+type HandoverRequired struct {
+	Ue          jsonapi.ControlURI `json:"ue"`
+	PduSessions []netip.Addr       `json:"pdu-sessions"` // list of all pdu sessions of the UE to be moved
+	TargetgNB   jsonapi.ControlURI `json:"target-gnb"`
+}