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authorAlexander Couzens <lynxis@fe80.eu>2019-08-12 16:48:56 +0200
committerAlexander Couzens <lynxis@fe80.eu>2019-09-03 18:44:27 +0200
commit609994d1468af27d0af4427e6b57df580fc80a7a (patch)
treecfdfb1e9432b3011da48be62442e9c14e7d713e5
parent4ae261b89bb05139d72bd7458aa79579a56580cd (diff)
iu_client: introduce ranap_iu_free_ue() to free the UE connections
When freeing the UE connection object, disconnect the SCCP connection. Change-Id: I6812edb4da487507ccf9f483de801c1c65c4b72b
-rw-r--r--include/osmocom/ranap/iu_client.h4
-rw-r--r--src/iu_client.c10
2 files changed, 14 insertions, 0 deletions
diff --git a/include/osmocom/ranap/iu_client.h b/include/osmocom/ranap/iu_client.h
index 873b2d2..0cb84da 100644
--- a/include/osmocom/ranap/iu_client.h
+++ b/include/osmocom/ranap/iu_client.h
@@ -70,5 +70,9 @@ int ranap_iu_tx_sec_mode_cmd(struct ranap_ue_conn_ctx *uectx, struct osmo_auth_v
int ranap_iu_tx_common_id(struct ranap_ue_conn_ctx *ue_ctx, const char *imsi);
int ranap_iu_tx_release(struct ranap_ue_conn_ctx *ctx, const struct RANAP_Cause *cause);
+/* freeing the UE will release all resources
+ * This will close the SCCP connection connected to the UE */
+void ranap_iu_free_ue(struct ranap_ue_conn_ctx *ue_ctx);
+
void ranap_iu_vty_init(int iu_parent_node, enum ranap_nsap_addr_enc *rab_assign_addr_enc);
int ranap_iu_vty_config_write(struct vty *vty, const char *indent);
diff --git a/src/iu_client.c b/src/iu_client.c
index ce06f8a..c7ed341 100644
--- a/src/iu_client.c
+++ b/src/iu_client.c
@@ -131,6 +131,16 @@ static struct ranap_ue_conn_ctx *ue_conn_ctx_find(uint32_t conn_id)
return NULL;
}
+void ranap_iu_free_ue(struct ranap_ue_conn_ctx *ue_ctx)
+{
+ if (!ue_ctx)
+ return;
+
+ osmo_sccp_tx_disconn(g_scu, ue_ctx->conn_id, NULL, 0);
+ llist_del(&ue_ctx->list);
+ talloc_free(ue_ctx);
+}
+
static struct ranap_iu_rnc *iu_rnc_alloc(uint16_t rnc_id, struct osmo_sccp_addr *addr)
{
struct ranap_iu_rnc *rnc = talloc_zero(talloc_iu_ctx, struct ranap_iu_rnc);