From cfb6321b88391ff58e5915c67ef0398024572566 Mon Sep 17 00:00:00 2001
From: Oliver Smith <osmith@sysmocom.de>
Date: Thu, 5 Sep 2019 17:13:33 +0200
Subject: Forward ETWS Primary Notification to MS

Receive an Application Information Request from the BTS via PCU
interface. Construct a Packet Application Information message from it
(3GPP TS 44.060 11.2.47) and send it to all MS with active TBF.

The TTCN-3 test infrastructure to test this feature is not quite ready
yet, so I've added C unit tests instead.

Related: OS#4048
Change-Id: Ie35959f833f46bde5f2126314b6f96763f863b36
---
 src/bts.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/bts.cpp')

diff --git a/src/bts.cpp b/src/bts.cpp
index 8b32e2ed..1b2ab2fb 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -231,6 +231,7 @@ BTS::BTS()
 {
 	memset(&m_bts, 0, sizeof(m_bts));
 	m_bts.bts = this;
+	m_bts.app_info = NULL;
 	m_bts.dl_tbf_preemptive_retransmission = true;
 	m_bts.T_defs_bts = T_defs_bts;
 	m_bts.T_defs_pcu = T_defs_pcu;
@@ -279,6 +280,11 @@ void BTS::cleanup()
 		osmo_stat_item_group_free(m_statg);
 		m_statg = NULL;
 	}
+
+	if (m_bts.app_info) {
+		msgb_free(m_bts.app_info);
+		m_bts.app_info = NULL;
+	}
 }
 
 BTS::~BTS()
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