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X2AP UE Context Release (generate/handle message), Release eNB resources

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This commit is contained in:
Konstantinos Alexandris
2019-03-05 14:53:00 +01:00
committed by Cedric Roux
parent 4b5c42115d
commit 52a52eefb9
11 changed files with 223 additions and 12 deletions
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openair2/X2AP/x2ap_eNB_handler.c
+51 -1
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@@ -71,6 +71,12 @@ int x2ap_eNB_handle_handover_response (instance_t instance,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
static
int x2ap_eNB_handle_ue_context_release (instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
/* Handlers matrix. Only eNB related procedure present here */
x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ x2ap_eNB_handle_handover_preparation, x2ap_eNB_handle_handover_response, 0 }, /* handoverPreparation */
@@ -78,7 +84,7 @@ x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ 0, 0, 0 }, /* loadIndication */
{ 0, 0, 0 }, /* errorIndication */
{ 0, 0, 0 }, /* snStatusTransfer */
{ 0, 0, 0 }, /* uEContextRelease */
{ x2ap_eNB_handle_ue_context_release, 0, 0 }, /* uEContextRelease */
{ x2ap_eNB_handle_x2_setup_request, x2ap_eNB_handle_x2_setup_response, x2ap_eNB_handle_x2_setup_failure }, /* x2Setup */
{ 0, 0, 0 }, /* reset */
{ 0, 0, 0 }, /* eNBConfigurationUpdate */
@@ -726,3 +732,47 @@ int x2ap_eNB_handle_handover_response (instance_t instance,
itti_send_msg_to_task(TASK_RRC_ENB, x2ap_eNB_data->x2ap_eNB_instance->instance, msg);
return 0;
}
static
int x2ap_eNB_handle_ue_context_release (instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu)
{
X2AP_UEContextRelease_t *x2UEContextRelease;
X2AP_UEContextRelease_IEs_t *ie;
x2ap_eNB_data_t *x2ap_eNB_data;
MessageDef *msg;
DevAssert (pdu != NULL);
x2UEContextRelease = &pdu->choice.initiatingMessage.value.choice.UEContextRelease;
if (stream == 0) {
X2AP_ERROR ("Received new x2 ue context release on stream == 0\n");
/* TODO: send a x2 failure response */
return 0;
}
X2AP_DEBUG ("Received a new X2 ue context release\n");
x2ap_eNB_data = x2ap_get_eNB(NULL, assoc_id, 0);
DevAssert(x2ap_eNB_data != NULL);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_UE_CONTEXT_RELEASE);
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_UEContextRelease_IEs_t, ie, x2UEContextRelease,
X2AP_ProtocolIE_ID_id_Old_eNB_UE_X2AP_ID, true);
X2AP_UE_CONTEXT_RELEASE(msg).old_eNB_ue_x2ap_id = ie->value.choice.UE_X2AP_ID;
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_UEContextRelease_IEs_t, ie, x2UEContextRelease,
X2AP_ProtocolIE_ID_id_New_eNB_UE_X2AP_ID, true);
X2AP_UE_CONTEXT_RELEASE(msg).new_eNB_ue_x2ap_id = ie->value.choice.UE_X2AP_ID;
itti_send_msg_to_task(TASK_RRC_ENB, x2ap_eNB_data->x2ap_eNB_instance->instance, msg);
return 0;
}