Control Message Encode/Decode

[ric-app/hw.git] / src / xapp-asn / e2ap / e2ap_subsdel_request.cc

diff --git a/src/xapp-asn/e2ap/e2ap_subsdel_request.cc b/src/xapp-asn/e2ap/e2ap_subsdel_request.cc
new file mode 100644 (file)
index 0000000..fa40ce9
--- /dev/null
+++ b/src/xapp-asn/e2ap/e2ap_subsdel_request.cc
@@ -0,0 +1,148 @@
+
+
+/*
+==================================================================================
+        Copyright (c) 2019-2020 AT&T Intellectual Property.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================================
+*/
+/*
+ * e2ap_subsdel_request.cc
+ *
+ * Author: SJana, Ashwin Sridharan
+ */
+
+
+#include "e2ap_subsdel_request.hpp"
+
+E2APSubscriptionDeleteRequest::E2APSubscriptionDeleteRequest(SubscriptionDeleteRequestIEs& ieObj){
+
+
+
+  _requestIEs = std::make_unique<SubscriptionDeleteRequestIEs>();
+  *_requestIEs = ieObj;
+
+  e2ap_pdu_obj = (E2AP_PDU_t * )calloc(1, sizeof(E2AP_PDU_t));
+  assert(e2ap_pdu_obj != 0);
+
+  initMsg = (InitiatingMessage_t * )calloc(1, sizeof(InitiatingMessage_t));
+  assert(initMsg != 0);
+
+  IE_array = (RICsubscriptionDeleteRequest_IEs_t *)calloc(RIC_SUBDEL_REQUEST_IES_COUNT, sizeof(RICsubscriptionDeleteRequest_IEs_t));
+  assert(IE_array != 0);
+
+  RICsubscriptionDeleteRequest_t * subDelrequest = &(initMsg->value.choice.RICsubscriptionDeleteRequest);
+  for(int i = 0; i < RIC_SUBDEL_REQUEST_IES_COUNT; i++){
+    ASN_SEQUENCE_ADD(&subDelrequest->protocolIEs, &(IE_array[i]));
+  }
+
+};
+
+
+
+// Clear assigned protocolIE list from RIC indication IE container
+E2APSubscriptionDeleteRequest::~E2APSubscriptionDeleteRequest(void){
+
+  mdclog_write(MDCLOG_DEBUG, "Freeing subscription delete request object memory");
+  RICsubscriptionDeleteRequest_t * E2APSubscriptionDeleteRequest = &(initMsg->value.choice.RICsubscriptionDeleteRequest);
+
+ for(int i = 0; i < E2APSubscriptionDeleteRequest->protocolIEs.list.size; i++){
+    E2APSubscriptionDeleteRequest->protocolIEs.list.array[i] = 0;
+  }
+
+  if (E2APSubscriptionDeleteRequest->protocolIEs.list.size > 0){
+    free(E2APSubscriptionDeleteRequest->protocolIEs.list.array);
+    E2APSubscriptionDeleteRequest->protocolIEs.list.count = 0;
+    E2APSubscriptionDeleteRequest->protocolIEs.list.size = 0;
+    E2APSubscriptionDeleteRequest->protocolIEs.list.array = 0;
+  }
+
+  free(IE_array);
+  free(initMsg);
+  e2ap_pdu_obj->choice.initiatingMessage = 0;
+
+  ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+  mdclog_write(MDCLOG_DEBUG, "Freed subscription delete request object memory");
+
+
+};
+
+
+bool E2APSubscriptionDeleteRequest::encode(unsigned char *buf, size_t *size){
+
+  e2ap_pdu_obj->choice.initiatingMessage = initMsg;
+  e2ap_pdu_obj->present = E2AP_PDU_PR_initiatingMessage;
+  setfields( initMsg);
+
+  initMsg->procedureCode = ProcedureCode_id_RICsubscriptionDelete;
+  initMsg->criticality = Criticality_reject;
+  initMsg->value.present = InitiatingMessage__value_PR_RICsubscriptionDeleteRequest;
+
+  xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+
+  int ret_constr = asn_check_constraints(&asn_DEF_E2AP_PDU, (void *) e2ap_pdu_obj, _errbuf, &_errbuf_len);
+  if(ret_constr){
+    _error_string.assign(_errbuf, _errbuf_len);
+    _error_string = "Constraints failed for encoding subscription delete request. Reason = " + _error_string;
+    return false;
+  }
+
+  asn_enc_rval_t res = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, e2ap_pdu_obj, buf, *size);
+
+  if(res.encoded == -1){
+    _error_string.assign(strerror(errno));
+    _error_string = "Error encoding Subscription Delete Request. Reason = " + _error_string;
+    return false;
+  }
+  else {
+    if(*size < res.encoded){
+      std::stringstream ss;
+      ss  <<"Error encoding Subscription Delete Request . Reason =  encoded pdu size " << res.encoded << " exceeds buffer size " << *size << std::endl;
+      _error_string = ss.str();
+      res.encoded = -1;
+      return false;
+    }
+  }
+
+  *size = res.encoded;
+  return true;
+
+}
+
+
+bool  E2APSubscriptionDeleteRequest::setfields( InitiatingMessage_t *initMsg){
+  unsigned int ie_index;
+
+  ie_index = 0;
+  RICsubscriptionDeleteRequest_IEs_t *ies_ricreq = &IE_array[ie_index];
+  ies_ricreq->criticality = Criticality_reject;
+  ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+  ies_ricreq->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RICrequestID;
+  RICrequestID_t *ricrequest_ie = &ies_ricreq->value.choice.RICrequestID;
+  ricrequest_ie->ricRequestorID = this->getIEs().get_ricRequestorID();
+  ricrequest_ie->ricInstanceID = this->getIEs().get_ricInstanceID();
+
+
+  ie_index = 1;
+  RICsubscriptionDeleteRequest_IEs_t *ies_ranfunc = &IE_array[ie_index];
+  ies_ranfunc->criticality = Criticality_reject;
+  ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+  ies_ranfunc->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RANfunctionID;
+  RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
+  *ranfunction_ie = this->getIEs().get_ranFunctionID();
+
+
+  return true;
+};
+