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Merge remote-tracking branch 'remotes/oai/develop' into HEAD

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# Conflicts:
#	openair3/S1AP/s1ap_eNB.c
#	openair3/S1AP/s1ap_eNB_handlers.c
This commit is contained in:
masayuki.harada
2021-03-08 14:51:11 +09:00
parent 674339237f ea3f924632
commit ff994453a4
496 changed files with 33764 additions and 24328 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/X2AP/x2ap_eNB.c
+21 -21
View File
@@ -133,7 +133,7 @@ void x2ap_eNB_handle_sctp_association_resp(instance_t instance, sctp_new_associa
dump_trees();
if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) {
X2AP_WARN("Received unsuccessful result for SCTP association (%u), instance %d, cnx_id %u\n",
X2AP_WARN("Received unsuccessful result for SCTP association (%u), instance %ld, cnx_id %u\n",
sctp_new_association_resp->sctp_state,
instance,
sctp_new_association_resp->ulp_cnx_id);
@@ -159,7 +159,7 @@ static
void x2ap_eNB_handle_sctp_association_ind(instance_t instance, sctp_new_association_ind_t *sctp_new_association_ind) {
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_enb_data_p;
printf("x2ap_eNB_handle_sctp_association_ind at 1 (called for instance %d)\n", instance);
printf("x2ap_eNB_handle_sctp_association_ind at 1 (called for instance %ld)\n", instance);
dump_trees();
DevAssert(sctp_new_association_ind != NULL);
instance_p = x2ap_eNB_get_instance(instance);
@@ -207,7 +207,7 @@ int x2ap_eNB_init_sctp (x2ap_eNB_instance_t *instance_p,
sctp_init_t *sctp_init = NULL;
DevAssert(instance_p != NULL);
DevAssert(local_ip_addr != NULL);
message = itti_alloc_new_message (TASK_X2AP, SCTP_INIT_MSG_MULTI_REQ);
message = itti_alloc_new_message (TASK_X2AP, 0, SCTP_INIT_MSG_MULTI_REQ);
sctp_init = &message->ittiMsg.sctp_init_multi;
sctp_init->port = enb_port_for_X2C;
sctp_init->ppid = X2AP_SCTP_PPID;
@@ -241,7 +241,7 @@ static void x2ap_eNB_register_eNB(x2ap_eNB_instance_t *instance_p,
x2ap_eNB_data_t *x2ap_enb_data = NULL;
DevAssert(instance_p != NULL);
DevAssert(target_eNB_ip_address != NULL);
message = itti_alloc_new_message(TASK_X2AP, SCTP_NEW_ASSOCIATION_REQ_MULTI);
message = itti_alloc_new_message(TASK_X2AP, 0, SCTP_NEW_ASSOCIATION_REQ_MULTI);
sctp_new_association_req = &message->ittiMsg.sctp_new_association_req_multi;
sctp_new_association_req->port = enb_port_for_X2C;
sctp_new_association_req->ppid = X2AP_SCTP_PPID;
@@ -286,7 +286,7 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
DevCheck(new_instance->tac == x2ap_register_eNB->tac, new_instance->tac, x2ap_register_eNB->tac, 0);
DevCheck(new_instance->mcc == x2ap_register_eNB->mcc, new_instance->mcc, x2ap_register_eNB->mcc, 0);
DevCheck(new_instance->mnc == x2ap_register_eNB->mnc, new_instance->mnc, x2ap_register_eNB->mnc, 0);
X2AP_WARN("eNB[%d] already registered\n", instance);
X2AP_WARN("eNB[%ld] already registered\n", instance);
} else {
new_instance = calloc(1, sizeof(x2ap_eNB_instance_t));
DevAssert(new_instance != NULL);
@@ -339,7 +339,7 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
new_instance->enb_port_for_X2C = x2ap_register_eNB->enb_port_for_X2C;
/* Add the new instance to the list of eNB (meaningfull in virtual mode) */
x2ap_eNB_insert_new_instance(new_instance);
X2AP_INFO("Registered new eNB[%d] and %s eNB id %u\n",
X2AP_INFO("Registered new eNB[%ld] and %s eNB id %u\n",
instance,
x2ap_register_eNB->cell_type == CELL_MACRO_ENB ? "macro" : "home",
x2ap_register_eNB->eNB_id);
@@ -350,7 +350,7 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
return;
}
X2AP_INFO("eNB[%d] eNB id %u acting as a listner (server)\n",
X2AP_INFO("eNB[%ld] eNB id %u acting as a listner (server)\n",
instance, x2ap_register_eNB->eNB_id);
}
}
@@ -377,7 +377,7 @@ void x2ap_eNB_handle_sctp_init_msg_multi_cnf(
/* Trying to connect to the provided list of eNB ip address */
for (index = 0; index < instance->nb_x2; index++) {
X2AP_INFO("eNB[%d] eNB id %u acting as an initiator (client)\n",
X2AP_INFO("eNB[%ld] eNB id %u acting as an initiator (client)\n",
instance_id, instance->eNB_id);
x2ap_eNB_register_eNB(instance,
&instance->target_enb_x2_ip_address[index],
@@ -633,67 +633,67 @@ void *x2ap_task(void *arg) {
break;
case X2AP_SUBFRAME_PROCESS:
x2ap_check_timers(ITTI_MESSAGE_GET_INSTANCE(received_msg));
x2ap_check_timers(ITTI_MSG_DESTINATION_INSTANCE(received_msg));
break;
case X2AP_REGISTER_ENB_REQ:
x2ap_eNB_handle_register_eNB(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_register_eNB(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_REGISTER_ENB_REQ(received_msg));
break;
case X2AP_HANDOVER_REQ:
x2ap_eNB_handle_handover_req(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_handover_req(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_HANDOVER_REQ(received_msg));
break;
case X2AP_HANDOVER_REQ_ACK:
x2ap_eNB_handle_handover_req_ack(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_handover_req_ack(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_HANDOVER_REQ_ACK(received_msg));
break;
case X2AP_UE_CONTEXT_RELEASE:
x2ap_eNB_ue_context_release(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_ue_context_release(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_UE_CONTEXT_RELEASE(received_msg));
break;
case X2AP_ENDC_SGNB_ADDITION_REQ:
x2ap_eNB_handle_sgNB_add_req(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sgNB_add_req(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_ADDITION_REQ(received_msg));
break;
case X2AP_ENDC_SGNB_ADDITION_REQ_ACK:
x2ap_gNB_trigger_sgNB_add_req_ack(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_gNB_trigger_sgNB_add_req_ack(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_ADDITION_REQ_ACK(received_msg));
LOG_I(X2AP, "Received elements for X2AP_ENDC_SGNB_ADDITION_REQ_ACK \n");
break;
case X2AP_ENDC_SGNB_RECONF_COMPLETE:
x2ap_eNB_trigger_sgnb_reconfiguration_complete(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_trigger_sgnb_reconfiguration_complete(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_RECONF_COMPLETE(received_msg));
break;
case X2AP_ENDC_SGNB_RELEASE_REQUEST:
x2ap_eNB_handle_sgNB_release_request(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sgNB_release_request(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_RELEASE_REQUEST(received_msg));
break;
case SCTP_INIT_MSG_MULTI_CNF:
x2ap_eNB_handle_sctp_init_msg_multi_cnf(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sctp_init_msg_multi_cnf(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_init_msg_multi_cnf);
break;
case SCTP_NEW_ASSOCIATION_RESP:
x2ap_eNB_handle_sctp_association_resp(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sctp_association_resp(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_new_association_resp);
break;
case SCTP_NEW_ASSOCIATION_IND:
x2ap_eNB_handle_sctp_association_ind(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sctp_association_ind(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_new_association_ind);
break;
case SCTP_DATA_IND:
x2ap_eNB_handle_sctp_data_ind(ITTI_MESSAGE_GET_INSTANCE(received_msg),
x2ap_eNB_handle_sctp_data_ind(ITTI_MSG_DESTINATION_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_data_ind);
break;
openair2/X2AP/x2ap_eNB_generate_messages.c
+1 -1
View File
@@ -1675,7 +1675,7 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
for (int i=0;i<e_rabs_tobeadded;i++) {
e_RABS_ToBeAdded_SgNBAddReq_ItemIEs = (X2AP_E_RABs_ToBeAdded_SgNBAddReq_ItemIEs_t *)calloc(1,sizeof(X2AP_E_RABs_ToBeAdded_SgNBAddReq_ItemIEs_t));
e_RABS_ToBeAdded_SgNBAddReq_ItemIEs->id = X2AP_ProtocolIE_ID_id_E_RABs_ToBeAdded_SgNBAddReq_Item;
e_RABS_ToBeAdded_SgNBAddReq_ItemIEs->criticality = X2AP_Criticality_ignore;
e_RABS_ToBeAdded_SgNBAddReq_ItemIEs->criticality = X2AP_Criticality_reject;
e_RABS_ToBeAdded_SgNBAddReq_ItemIEs->value.present = X2AP_E_RABs_ToBeAdded_SgNBAddReq_ItemIEs__value_PR_E_RABs_ToBeAdded_SgNBAddReq_Item;
e_RABS_ToBeAdded_SgNBAddReq_Item = &e_RABS_ToBeAdded_SgNBAddReq_ItemIEs->value.choice.E_RABs_ToBeAdded_SgNBAddReq_Item;
{
openair2/X2AP/x2ap_eNB_handler.c
+15 -15
View File
@@ -230,7 +230,7 @@ void x2ap_handle_x2_setup_message(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data
if (instance_p->x2_target_enb_associated_nb == 0) {
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_X2AP, X2AP_DEREGISTERED_ENB_IND);
message_p = itti_alloc_new_message(TASK_X2AP, 0, X2AP_DEREGISTERED_ENB_IND);
X2AP_DEREGISTERED_ENB_IND(message_p).nb_x2 = 0;
itti_send_msg_to_task(TASK_ENB_APP, instance_p->instance, message_p);
}
@@ -250,7 +250,7 @@ void x2ap_handle_x2_setup_message(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data
if (instance_p->x2_target_enb_pending_nb == 0) {
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_X2AP, X2AP_REGISTER_ENB_CNF);
message_p = itti_alloc_new_message(TASK_X2AP, 0, X2AP_REGISTER_ENB_CNF);
X2AP_REGISTER_ENB_CNF(message_p).nb_x2 = instance_p->x2_target_enb_associated_nb;
itti_send_msg_to_task(TASK_ENB_APP, instance_p->instance, message_p);
}
@@ -480,7 +480,7 @@ x2ap_eNB_handle_x2_setup_request(instance_t instance,
return -1;
}
msg = itti_alloc_new_message(TASK_X2AP, X2AP_SETUP_REQ);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_SETUP_REQ);
X2AP_SETUP_REQ(msg).num_cc = ie->value.choice.ServedCells.list.count;
@@ -606,7 +606,7 @@ int x2ap_eNB_handle_x2_setup_response(instance_t instance,
return -1;
}
msg = itti_alloc_new_message(TASK_X2AP, X2AP_SETUP_RESP);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_SETUP_RESP);
X2AP_SETUP_RESP(msg).num_cc = ie->value.choice.ServedCells.list.count;
@@ -740,7 +740,7 @@ int x2ap_eNB_handle_handover_preparation (instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_HANDOVER_REQ);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_HANDOVER_REQ);
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_HandoverRequest_IEs_t, ie, x2HandoverRequest,
X2AP_ProtocolIE_ID_id_Old_eNB_UE_X2AP_ID, true);
@@ -887,7 +887,7 @@ int x2ap_eNB_handle_handover_response (instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_HANDOVER_REQ_ACK);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_HANDOVER_REQ_ACK);
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_HandoverRequestAcknowledge_IEs_t, ie, x2HandoverRequestAck,
X2AP_ProtocolIE_ID_id_Old_eNB_UE_X2AP_ID, true);
@@ -1036,7 +1036,7 @@ int x2ap_eNB_handle_ue_context_release (instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_UE_CONTEXT_RELEASE);
msg = itti_alloc_new_message(TASK_X2AP, 0, 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);
@@ -1183,7 +1183,7 @@ int x2ap_eNB_handle_handover_cancel (instance_t instance,
exit(1);
}
msg = itti_alloc_new_message(TASK_X2AP, X2AP_HANDOVER_CANCEL);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_HANDOVER_CANCEL);
X2AP_HANDOVER_CANCEL(msg).rnti = x2ap_id_get_rnti(&instance_p->id_manager, ue_id);
X2AP_HANDOVER_CANCEL(msg).cause = cause;
@@ -1232,7 +1232,7 @@ int x2ap_eNB_handle_senb_addition_request (instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_SENB_ADDITION_REQ);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_SENB_ADDITION_REQ);
/*MeNB_UE_X2AP_ID */
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SeNBAdditionRequest_IEs_t, ie, x2SeNBAdditionRequest,
@@ -1443,7 +1443,7 @@ x2ap_eNB_handle_ENDC_x2_setup_request(instance_t instance,
X2AP_ProtocolIE_ID_id_InitiatingNodeType_EndcX2Setup, true);
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SETUP_REQ);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SETUP_REQ);
if (ie == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
@@ -1736,7 +1736,7 @@ int x2ap_gNB_handle_ENDC_sGNB_addition_request (instance_t instance,
DevAssert(instance_p != NULL);
//Allocate an ITTI X2AP_SGNB_ADDITION_REQ message instead
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_ADDITION_REQ);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SGNB_ADDITION_REQ);
/* X2AP_ProtocolIE_ID_id_MeNB_UE_X2AP_ID */
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SgNBAdditionRequest_IEs_t, ie, x2SgNBAdditionRequest,
@@ -1884,7 +1884,7 @@ int x2ap_eNB_handle_ENDC_sGNB_addition_response (instance_t instance,
DevAssert(instance_p != NULL);
//Allocate an ITTI X2AP_SGNB_ADDITION_REQ message instead
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_ADDITION_REQ_ACK);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SGNB_ADDITION_REQ_ACK);
X2AP_ENDC_SGNB_ADDITION_REQ_ACK(msg).gnb_x2_assoc_id = assoc_id;
@@ -2030,7 +2030,7 @@ int x2ap_gNB_handle_ENDC_sGNB_reconfiguration_complete (instance_t instance,
DevAssert(instance_p != NULL);
//Allocate an ITTI X2AP_sGNB_reconfiguration_complete message
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_RECONF_COMPLETE);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SGNB_RECONF_COMPLETE);
/* X2AP_ProtocolIE_ID_id_MeNB_UE_X2AP_ID */
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SgNBReconfigurationComplete_IEs_t, ie, x2SgNBReconfigurationComplete,
@@ -2168,7 +2168,7 @@ int x2ap_gNB_handle_ENDC_sGNB_release_request(instance_t instance,
}
if (rnti != -1) {
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_RELEASE_REQUEST);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SGNB_RELEASE_REQUEST);
X2AP_ENDC_SGNB_RELEASE_REQUEST(msg).rnti = rnti;
@@ -2261,7 +2261,7 @@ int x2ap_gNB_handle_ENDC_sGNB_release_required(instance_t instance,
gnb_rnti = id_target;
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_RELEASE_REQUIRED);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_SGNB_RELEASE_REQUIRED);
X2AP_ENDC_SGNB_RELEASE_REQUIRED(msg).gnb_rnti = gnb_rnti;
itti_send_msg_to_task(TASK_RRC_ENB, instance_p->instance, msg);
openair2/X2AP/x2ap_eNB_itti_messaging.c
+2 -2
View File
@@ -36,7 +36,7 @@ void x2ap_eNB_itti_send_sctp_data_req(instance_t instance, int32_t assoc_id, uin
MessageDef *message_p;
sctp_data_req_t *sctp_data_req;
message_p = itti_alloc_new_message(TASK_X2AP, SCTP_DATA_REQ);
message_p = itti_alloc_new_message(TASK_X2AP, 0, SCTP_DATA_REQ);
sctp_data_req = &message_p->ittiMsg.sctp_data_req;
@@ -54,7 +54,7 @@ void x2ap_eNB_itti_send_sctp_close_association(instance_t instance, int32_t asso
MessageDef *message_p = NULL;
sctp_close_association_t *sctp_close_association_p = NULL;
message_p = itti_alloc_new_message(TASK_X2AP, SCTP_CLOSE_ASSOCIATION);
message_p = itti_alloc_new_message(TASK_X2AP, 0, SCTP_CLOSE_ASSOCIATION);
sctp_close_association_p = &message_p->ittiMsg.sctp_close_association;
sctp_close_association_p->assoc_id = assoc_id;
openair2/X2AP/x2ap_eNB_management_procedures.c
+1 -1
View File
@@ -116,7 +116,7 @@ void dump_trees(void)
x2ap_eNB_instance_t *zz;
STAILQ_FOREACH(zz, &x2ap_eNB_internal_data.x2ap_eNB_instances_head,
x2ap_eNB_entries) {
printf("here comes the tree (instance %d):\n---------------------------------------------\n", zz->instance);
printf("here comes the tree (instance %ld):\n---------------------------------------------\n", zz->instance);
dump_tree(zz->x2ap_enb_head.rbh_root);
printf("---------------------------------------------\n");
}
openair2/X2AP/x2ap_timers.c
+3 -3
View File
@@ -101,7 +101,7 @@ void x2ap_check_timers(instance_t instance)
X2AP_CAUSE_T_DC_PREP_TIMEOUT);
/* inform RRC of timeout */
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_DC_PREP_TIMEOUT);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_DC_PREP_TIMEOUT);
X2AP_ENDC_DC_PREP_TIMEOUT(msg).rnti = x2ap_id_get_rnti(m, i);
itti_send_msg_to_task(TASK_RRC_ENB, instance_p->instance, msg);
@@ -125,7 +125,7 @@ void x2ap_check_timers(instance_t instance)
id_source, id_target, X2AP_CAUSE_T_DC_OVERALL_TIMEOUT);
/* inform RRC of timeout */
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_DC_OVERALL_TIMEOUT);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_ENDC_DC_OVERALL_TIMEOUT);
X2AP_ENDC_DC_OVERALL_TIMEOUT(msg).rnti = x2ap_id_get_rnti(m, i);
itti_send_msg_to_task(TASK_RRC_GNB, instance_p->instance, msg);
@@ -144,7 +144,7 @@ lte_handover_timeout:
x2ap_eNB_generate_x2_handover_cancel(instance_p, target, i, cause);
/* inform RRC of cancellation */
msg = itti_alloc_new_message(TASK_X2AP, X2AP_HANDOVER_CANCEL);
msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_HANDOVER_CANCEL);
X2AP_HANDOVER_CANCEL(msg).rnti = x2ap_id_get_rnti(m, i);
X2AP_HANDOVER_CANCEL(msg).cause = cause;
itti_send_msg_to_task(TASK_RRC_ENB, instance_p->instance, msg);