iu_client: introduce UE field free_on_release
Allow to free UE ctx when receiving a Iu Release Complete.
In preparation of ranap_iu_tx_release_free() it requires
a field to free the Iu ctx on it's own without depending
on the upstream user.
Change-Id: Iac41cd3cce3232d01b2f7ede0cc46226c2cfb6c0
diff --git a/TODO-RELEASE b/TODO-RELEASE
index bcbf5de..b967e56 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -9,3 +9,4 @@
#library what description / commit summary line
libranap iu_client.h struct ranap_ue_conn_ctx: add field notification
libranap iu_client.h struct ranap_ue_conn_ctx: add field release_timeout
+libranap iu_client.h struct ranap_ue_conn_ctx: add field free_on_release
diff --git a/include/osmocom/ranap/iu_client.h b/include/osmocom/ranap/iu_client.h
index a93fff3..24a5af9 100644
--- a/include/osmocom/ranap/iu_client.h
+++ b/include/osmocom/ranap/iu_client.h
@@ -31,6 +31,8 @@
struct gprs_ra_id ra_id;
enum ranap_nsap_addr_enc rab_assign_addr_enc;
bool notification; /* send notification to the upstream user */
+ /* if true the ue_ctx will be free on Iu release complete */
+ bool free_on_release;
/* Will be set when the Iu Release Command has been sent */
struct osmo_timer_list release_timeout;
};
diff --git a/src/iu_client.c b/src/iu_client.c
index e4eb83e..c309ce4 100644
--- a/src/iu_client.c
+++ b/src/iu_client.c
@@ -129,6 +129,7 @@
ctx->rnc = rnc;
ctx->conn_id = conn_id;
ctx->notification = true;
+ ctx->free_on_release = false;
osmo_timer_setup(&ctx->release_timeout,
(void *)(void *) ranap_iu_free_ue,
ctx);
@@ -500,6 +501,7 @@
int timeout)
{
ctx->notification = false;
+ ctx->free_on_release = true;
int ret = ranap_iu_tx_release(ctx, cause);
if (ret) {
ranap_iu_free_ue(ctx);
@@ -851,6 +853,13 @@
break;
global_iu_event(ue, RANAP_IU_EVENT_LINK_INVALIDATED, NULL);
+
+ /* A RANAP_IU_EVENT_LINK_INVALIDATED, can lead to a free */
+ ue = ue_conn_ctx_find(prim->u.disconnect.conn_id);
+ if (!ue)
+ break;
+ if (ue->free_on_release)
+ ranap_iu_free_ue(ue);
break;
case OSMO_PRIM(OSMO_SCU_PRIM_N_DATA, PRIM_OP_INDICATION):
/* connection-oriented data received */