From cb5e329c22eb25e46cf861617bb1bc6eeb59242a Mon Sep 17 00:00:00 2001
From: Pedro Alvarez <pedro.alvarez@softwareradiosystems.com>
Date: Sun, 17 Dec 2017 19:55:12 +0000
Subject: [PATCH] Starting to release GTP-U tunnels when UE disconnects.

---
 srsepc/src/mme/s1ap.cc  | 3 +++
 srsepc/src/spgw/spgw.cc | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/srsepc/src/mme/s1ap.cc b/srsepc/src/mme/s1ap.cc
index 745797f50..1bee40692 100644
--- a/srsepc/src/mme/s1ap.cc
+++ b/srsepc/src/mme/s1ap.cc
@@ -968,6 +968,9 @@ s1ap::handle_ue_context_release_request(LIBLTE_S1AP_MESSAGE_UECONTEXTRELEASEREQU
   }
   ue_set->second.erase(mme_ue_s1ap_id);
 
+  //Delete any context at the SPGW
+  m_spgw->delete_session_request(ue_ctx->imsi);
+
   //Delete UE context
   delete ue_ctx->second;
   m_active_ues.erase(ue_ctx);
diff --git a/srsepc/src/spgw/spgw.cc b/srsepc/src/spgw/spgw.cc
index afd7efef4..015ca8683 100644
--- a/srsepc/src/spgw/spgw.cc
+++ b/srsepc/src/spgw/spgw.cc
@@ -471,6 +471,12 @@ spgw::handle_create_session_request(struct srslte::gtpc_create_session_request *
   return;
 }
 
+void
+spgw::delete_session_request(uint64_t imsi)
+{
+
+}
+
 void
 spgw::handle_modify_bearer_request(struct srslte::gtpc_pdu *mb_req_pdu, struct srslte::gtpc_pdu *mb_resp_pdu)
 {