Merge branch 'fix_n2_ho_req_ack' into 'fix_n2_handover'

Implements callback for Handover Request Acknowledgement

See merge request oai/cn5g/oai-cn5g-amf!198

src/ngap/ngapMsgs/NgapMessage.cpp

@@ -41,8 +41,8 @@ NgapMessage::NgapMessage() {
 
 //------------------------------------------------------------------------------
 NgapMessage::~NgapMessage() {
-  if(ngapPdu)
-    ASN_STRUCT_FREE(asn_DEF_Ngap_NGAP_PDU, ngapPdu);
+
+  ASN_STRUCT_FREE(asn_DEF_Ngap_NGAP_PDU, ngapPdu);
   Logger::ngap().debug("Free NGAP Message PDU");
 }
 

src/ngap/ngap_app/ngap_message_callback.hpp

@@ -846,7 +846,27 @@ int handover_request_ack(
     const sctp_assoc_id_t assoc_id, const sctp_stream_id_t stream,
     struct Ngap_NGAP_PDU* message_p) {
   Logger::ngap().debug("Handling Handover Request Ack (AMF->AN)");
-  // TODO:
+  
+  output_wrapper::print_asn_msg(&asn_DEF_Ngap_NGAP_PDU, message_p);
+  HandoverRequestAck* handover_request_ack = new HandoverRequestAck();
+  if (!handover_request_ack->decodeFromPdu(message_p)) {
+    Logger::ngap().error("Decoding Handover Request Acknowledge message error");
+    return RETURNerror;
+  }
+
+  auto itti_msg =
+      std::make_shared<itti_handover_request_Ack>(TASK_NGAP, TASK_AMF_N2);
+  itti_msg->assoc_id           = assoc_id;
+  itti_msg->stream             = stream;
+  itti_msg->handoverrequestAck = handover_request_ack;
+
+  int ret = itti_inst->send_msg(itti_msg);
+  if (0 != ret) {
+    Logger::ngap().error(
+        "Could not send ITTI message %s to task TASK_AMF_N2",
+        itti_msg->get_msg_name());
+    return RETURNerror;
+  }
   return RETURNok;
 }