Change in ...osmo-iuh[master]: iu_client: introduce a connection state

[lynxis lazus]

lynxis lazus has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-iuh/+/15181


Change subject: iu_client: introduce a connection state
......................................................................

iu_client: introduce a connection state

When the SCCP stack indicate a disconnect, save this in the UE connection
to allow the application to free() the instance later.

Change-Id: I77e01724be05ac488a4685ba367b7a71985b54e3
---
M include/osmocom/ranap/iu_client.h
M src/iu_client.c
2 files changed, 9 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-iuh refs/changes/81/15181/1

diff --git a/include/osmocom/ranap/iu_client.h b/include/osmocom/ranap/iu_client.h
index 64ef9e4..4884f8a 100644
--- a/include/osmocom/ranap/iu_client.h
+++ b/include/osmocom/ranap/iu_client.h
@@ -23,6 +23,11 @@
 	RANAP_NSAP_ADDR_ENC_V4RAW,
 };
 
+enum ranap_conn_state {
+	RANAP_CONN_STATE_CONNECTED,
+	RANAP_CONN_STATE_DISCONNECTED,
+};
+
 struct ranap_ue_conn_ctx {
 	struct llist_head list;
 	struct ranap_iu_rnc *rnc;
@@ -30,6 +35,7 @@
 	int integrity_active;
 	struct gprs_ra_id ra_id;
 	enum ranap_nsap_addr_enc rab_assign_addr_enc;
+	enum ranap_conn_state conn_state;
 };
 
 enum ranap_iu_event_type {
diff --git a/src/iu_client.c b/src/iu_client.c
index 14247ff..0c8f08e 100644
--- a/src/iu_client.c
+++ b/src/iu_client.c
@@ -116,6 +116,7 @@
 
 	ctx->rnc = rnc;
 	ctx->conn_id = conn_id;
+	ctx->conn_state = RANAP_CONN_STATE_CONNECTED;
 	llist_add(&ctx->list, &ue_conn_ctx_list);
 
 	return ctx;
@@ -140,7 +141,8 @@
 	if (!ue)
 		return;
 
-	osmo_sccp_tx_disconn(g_scu, ue->conn_id, NULL, 0);
+	if (ue->conn_state == RANAP_CONN_STATE_CONNECTED)
+		osmo_sccp_tx_disconn(g_scu, ue->conn_id, NULL, 0);
 
 	llist_for_each_entry(iter, &ue_conn_ctx_list, list) {
 		if (iter == ue) {

-- 
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Gerrit-Project: osmo-iuh
Gerrit-Branch: master
Gerrit-Change-Id: I77e01724be05ac488a4685ba367b7a71985b54e3
Gerrit-Change-Number: 15181
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-MessageType: newchange
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