MAC Clean-up [Issue-ID: ODUHIGH-212]
[o-du/l2.git] / src / du_app / du_e2ap_msg_hdl.c
index a89d1f0..0a5c8dc 100644 (file)
 #   limitations under the License.                                             #
 ################################################################################
 *******************************************************************************/
-#include "du_e2ap_msg_hdl.h"
+#include "common_def.h"
+#include "lrg.h"
+#include "lkw.x"
+#include "lrg.x"
+#include "legtp.h"
+#include "du_app_mac_inf.h"
+#include "du_cfg.h"
 #include "du_mgr_main.h"
+#include "du_utils.h"
 #include "GlobalE2node-gNB-ID.h"
-
-#define ENC_BUF_MAX_LEN 100
+#include<ProtocolIE-FieldE2.h>
+#include "E2AP-PDU.h"
+#include "du_e2ap_msg_hdl.h"
+#include "odu_common_codec.h"
 
 /* Global variable */
 DuCfgParams duCfgParam;
-
 /*******************************************************************
  *
  * @brief Builds Global gNodeB Params
  *
  * @details
  *
- *    Function : BuildGlobalgNB
+ *    Function : BuildGlobalgNBId
  *
  *    Functionality: Building the Plmn and gNB id
  *
@@ -38,29 +46,138 @@ DuCfgParams duCfgParam;
  * @return ROK     - success
  *         RFAILED - failure
  *
- * ****************************************************************/
+ ******************************************************************/
 
-S16 BuildGlobalgNB(GlobalE2node_gNB_ID_t *gNbId)
+uint8_t BuildGlobalgNBId(GlobalE2node_gNB_ID_t *gNbId)
 {
-   U8 unused = 0;
-   U8 byteSize = 4;
-   U8 val = 1;
-   if(gNbId != NULLP)
+   uint8_t unused = 0;
+   uint8_t byteSize = 4;
+   uint8_t val = 1;
+   uint8_t ret = ROK;
+
+   /* Allocate Buffer size */
+   gNbId->global_gNB_ID.plmn_id.size = 3 * sizeof(uint8_t);
+   gNbId->global_gNB_ID.plmn_id.buf = NULLP;
+   DU_ALLOC(gNbId->global_gNB_ID.plmn_id.buf , gNbId->global_gNB_ID.plmn_id.size);
+   if(gNbId->global_gNB_ID.plmn_id.buf == NULLP)
+   {
+      DU_LOG("\nE2AP: Memory allocation failed for Plmn buffer");
+      ret = RFAILED;
+   }
+   else
    {
-      /* Allocate Buffer size */ 
-      gNbId->global_gNB_ID.plmn_id.size = 3 * sizeof(U8);
-      DU_ALLOC(gNbId->global_gNB_ID.plmn_id.buf , gNbId->global_gNB_ID.plmn_id.size);
       buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
-       &gNbId->global_gNB_ID.plmn_id); 
-
+         &gNbId->global_gNB_ID.plmn_id);
       /* fill gND Id */
       gNbId->global_gNB_ID.gnb_id.present = GNB_ID_Choice_PR_gnb_ID;
-      /* Allocate Buffer size */ 
-      gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size = byteSize * sizeof(U8);
-      DU_ALLOC(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf, gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size);
-      fillBitString(&gNbId->global_gNB_ID.gnb_id.choice.gnb_ID, unused, byteSize, val);
+      /* Allocate Buffer size */
+      gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size = byteSize * sizeof(uint8_t);
+      gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf = NULLP;
+      DU_ALLOC(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf, \
+         gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size);
+      if(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf == NULLP)
+      {
+         DU_LOG("\nE2AP: Memory allocation failed for gnb buffer");
+         ret = RFAILED;
+      }
+      else
+      {
+         fillBitString(&gNbId->global_gNB_ID.gnb_id.choice.gnb_ID, unused, byteSize, val);
+      }
    }
-   return ROK;   
+   return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills the initiating IE for E2 Setup Request
+ *
+ * @details
+ *
+ *    Function : fillE2SetupReq
+ *
+ * Functionality:Fills the Initiating message for
+ *               E2SetupRequest
+ *
+ * @params[in] E2setupRequest_t *e2SetupReq,
+ *             uint8_t *idx
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t fillE2SetupReq(E2setupRequest_t **e2SetupReq, uint8_t *idx)
+{
+   uint8_t elementCnt = 0;
+   uint8_t idx2 = 0;
+   uint8_t ret = ROK;
+
+   if(*e2SetupReq != NULLP)
+   {
+      elementCnt = 1;
+      (*e2SetupReq)->protocolIEs.list.count = elementCnt;
+      (*e2SetupReq)->protocolIEs.list.size = \
+              elementCnt * sizeof(E2setupRequestIEs_t);
+
+      /* Initialize the E2Setup members */
+      DU_ALLOC((*e2SetupReq)->protocolIEs.list.array, \
+               (*e2SetupReq)->protocolIEs.list.size);
+      if((*e2SetupReq)->protocolIEs.list.array == NULLP)
+      {
+         DU_LOG("\nE2AP : Memory allocation failed for array elements");
+         ret = RFAILED;
+      }
+      else
+      {
+         for(*idx = 0; *idx < elementCnt; (*idx)++)
+         {
+            DU_ALLOC((*e2SetupReq)->protocolIEs.list.array[*idx],\
+               sizeof(E2setupRequestIEs_t));
+            if((*e2SetupReq)->protocolIEs.list.array[*idx] == NULLP)
+            {
+               DU_LOG("\nE2AP : Memory allocation failed for arrayidx [%d]", *idx);
+               ret = RFAILED;
+            }
+            else
+            {
+               /* GlobalE2node_gNB_ID */
+               (*e2SetupReq)->protocolIEs.list.array[idx2]->id = \
+                      ProtocolIE_IDE2_id_GlobalE2node_ID;
+               (*e2SetupReq)->protocolIEs.list.array[idx2]->criticality = \
+                            CriticalityE2_reject;
+               (*e2SetupReq)->protocolIEs.list.array[idx2]->value.present =\
+                             E2setupRequestIEs__value_PR_GlobalE2node_ID;
+               (*e2SetupReq)->protocolIEs.list.array[idx2]->value.choice.\
+                  GlobalE2node_ID.present = GlobalE2node_ID_PR_gNB;
+      
+               DU_ALLOC((*e2SetupReq)->protocolIEs.list.array[idx2]->value.choice.\
+                  GlobalE2node_ID.choice.gNB, sizeof(GlobalE2node_gNB_ID_t));
+               if((*e2SetupReq)->protocolIEs.list.array[idx2]->value.choice.\
+                  GlobalE2node_ID.choice.gNB == NULLP)
+               {
+                  DU_LOG("\nE2AP : Memory allocation failed for gNbId");
+                  ret = RFAILED;
+               }
+               else
+               {
+                  ret = BuildGlobalgNBId((*e2SetupReq)->protocolIEs.list.array[idx2]->value.\
+                     choice.GlobalE2node_ID.choice.gNB);
+                  if(ret != ROK)
+                  {
+                     ret = RFAILED;
+                  }
+               }
+
+            }
+         }
+      }
+    }
+    else
+    {
+       ret = RFAILED;
+       DU_LOG("\nE2AP : Passed e2SetupReq is NULL");
+    }
+    return ret;
 }
 
 /*******************************************************************
@@ -78,121 +195,150 @@ S16 BuildGlobalgNB(GlobalE2node_gNB_ID_t *gNbId)
  *
  ******************************************************************/
 
-S16 BuildAndSendE2SetupReq()
+uint8_t BuildAndSendE2SetupReq()
 {
-   E2AP_PDU_t                 *e2apMsg = NULLP;
-   E2setupRequest_t           *e2SetupReq;
-   U8   elementCnt;
-   U8   idx;
-   U8   ieId;
-   asn_enc_rval_t             encRetVal;        /* Encoder return value */
+   uint8_t idx = 0;
+   uint8_t ret = ROK;
+   E2AP_PDU_t        *e2apMsg = NULLP;
+   E2setupRequest_t  *e2SetupReq = NULLP;
+   asn_enc_rval_t     encRetVal;       /* Encoder return value */
 
    DU_LOG("\nE2AP : Building E2 Setup Request\n");
-
-   DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
-   if(e2apMsg == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
-      return RFAILED;
-   }
-
-   e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
-   DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
-   if(e2apMsg->choice.initiatingMessage == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
-      DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
-      return RFAILED;
-   }
-   e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
-   e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2setup;
-   e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2setupRequest;
-   
-   DU_ALLOC(e2SetupReq, sizeof(E2setupRequest_t));
-   e2SetupReq = &e2apMsg->choice.initiatingMessage->value.choice.E2setupRequest;
-   
-   elementCnt = 1;
-   
-   e2SetupReq->protocolIEs.list.count = elementCnt;
-   e2SetupReq->protocolIEs.list.size = elementCnt * sizeof(E2setupRequestIEs_t);
-
-   /* Initialize the E2Setup members */
-   DU_ALLOC(e2SetupReq->protocolIEs.list.array, \
-            e2SetupReq->protocolIEs.list.size);
-   if(e2SetupReq->protocolIEs.list.array == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for E2RequestIEs failed");
-      DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
-      DU_FREE(e2apMsg, (Size)sizeof(E2AP_PDU_t));
-      return RFAILED;
-   }
-   
-   for(idx=0; idx<elementCnt; idx++)
+   do
    {
-      DU_ALLOC(e2SetupReq->protocolIEs.list.array[idx],\
-            sizeof(E2setupRequestIEs_t));
-      if(e2SetupReq->protocolIEs.list.array[idx] == NULLP)
+      DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+      if(e2apMsg == NULLP)
       {
-         for(ieId=0; ieId<idx; ieId++)
-         {
-            DU_FREE(e2SetupReq->protocolIEs.list.array[ieId],\
-                  sizeof(E2setupRequestIEs_t));
-         }
-         DU_FREE(e2SetupReq->protocolIEs.list.array,\
-                 e2SetupReq->protocolIEs.list.size);
-         DU_FREE(e2apMsg->choice.initiatingMessage, \
-               sizeof(InitiatingMessageE2_t));
+         DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
+         break;
+      }
+      e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+      DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+      if(e2apMsg->choice.initiatingMessage == NULLP)
+      {
+         DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
          DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
          return RFAILED;
       }
-   }
+      e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+      e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2setup;
+      e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2setupRequest;
+      e2SetupReq = &e2apMsg->choice.initiatingMessage->value.choice.E2setupRequest;
+      
+      ret = fillE2SetupReq(&e2SetupReq, &idx);
+      if(ret != ROK)
+      {
+         DU_LOG("\nE2AP : fillE2SetupReq() failed");
+         break;
+      }
+      /* Prints the Msg formed */
+      xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+      cmMemset((uint8_t *)encBuf, 0, ENC_BUF_MAX_LEN);
+      encBufSize = 0;
+      encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+                      encBuf);
+      if(encRetVal.encoded == ENCODE_FAIL)
+      {
+         DU_LOG("\nE2AP : Could not encode E2SetupRequest structure (at %s)\n",\
+            encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         break;
+      }
+      else
+      {
+         DU_LOG("\nE2AP : Created APER encoded buffer for E2SetupRequest\n");
+         for(int i=0; i< encBufSize; i++)
+         {
+            printf("%x",encBuf[i]);
+         }
+      }
+      if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
+      {
+         DU_LOG("\nE2AP : Sending E2 Setup request failed");
+      }
 
-   idx = 0;
-   /* GlobalE2node_gNB_ID */
-   e2SetupReq->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_GlobalE2node_ID;
-   e2SetupReq->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   e2SetupReq->protocolIEs.list.array[idx]->value.present =\
-                                    E2setupRequestIEs__value_PR_GlobalE2node_ID;
-   e2SetupReq->protocolIEs.list.array[idx]->value.choice.GlobalE2node_ID.present = \
-                                                                   GlobalE2node_ID_PR_gNB;
-   
-   GlobalE2node_gNB_ID_t *gNbId;
-   DU_ALLOC(gNbId, sizeof(GlobalE2node_gNB_ID_t));
-   BuildGlobalgNB(gNbId);
-   e2SetupReq->protocolIEs.list.array[idx]->value.choice.GlobalE2node_ID.choice.gNB = gNbId;
-
-   /* Prints the Msg formed */
-   xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+    break;
+   }while(1);
 
+   deAllocateE2SetupReqMsg(e2apMsg, e2SetupReq, idx);
+   return ret;
+}/* End of BuildAndSendE2SetupReq */
 
-   cmMemset((U8 *)encBuf, 0, ENC_BUF_MAX_LEN);
-   encBufSize = 0;
-   encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
-               encBuf);
-   if(encRetVal.encoded == ENCODE_FAIL)
-   {
-          DU_LOG("\nE2AP : Could not encode E2SetupRequest structure (at %s)\n",\
-                          encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-          return RFAILED;
-   }
-   else
-   {
-           DU_LOG("\nE2AP : Created APER encoded buffer for E2SetupRequest\n");
-          for(int i=0; i< encBufSize; i++)
-          {
-                  printf("%x",encBuf[i]);
-          } 
-   }
+/*******************************************************************
+ *
+ * @brief De Allocate E2 Setup Request Message
+ *
+ * @details
+ *
+ *    Function : deAllocateE2SetupReqMsg
+ *
+ *    Functionality: De-Allocating E2 Setup request Message
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ *             E2setupRequest_t *e2SetupReq
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
 
-   if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
+uint8_t deAllocateE2SetupReqMsg(E2AP_PDU_t *e2apMsg, \
+   E2setupRequest_t *e2SetupReq, uint8_t idx)
+{
+   uint8_t idx2;
+   uint8_t ret = ROK;
+   /* De-allocating Memory */
+   if(e2apMsg != NULLP)
    {
-          DU_LOG("\nE2AP : Sending E2 Setup request failed");
-          return RFAILED;
+      if(e2apMsg->choice.initiatingMessage != NULLP)
+      {
+         if(e2SetupReq->protocolIEs.list.array != NULLP)
+         {
+            for(idx2 = 0; idx2 < idx; idx2++)
+            {
+               if(e2SetupReq->protocolIEs.list.array[idx2] != NULLP)
+               {
+                  switch(e2SetupReq->protocolIEs.list.array[idx2]->id)
+                  {
+                     case ProtocolIE_IDE2_id_GlobalE2node_ID:
+                     {
+                        if(e2SetupReq->protocolIEs.list.array[idx2]->\
+                             value.choice.GlobalE2node_ID.choice.gNB != NULLP)
+                        {
+                              GlobalE2node_gNB_ID_t *gNbId = NULLP;
+                              gNbId = e2SetupReq->protocolIEs.list.array[idx2]->\
+                                         value.choice.GlobalE2node_ID.choice.gNB;
+                              if(gNbId->global_gNB_ID.plmn_id.buf != NULLP)
+                              {
+                                 if(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf != NULLP)
+                                 {
+                                    DU_FREE(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf,\
+                                       gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size);
+                                 }
+                                 DU_FREE(gNbId->global_gNB_ID.plmn_id.buf,\
+                                            gNbId->global_gNB_ID.plmn_id.size);
+                              }
+                              DU_FREE(e2SetupReq->protocolIEs.list.array[idx2]->value.\
+                                choice.GlobalE2node_ID.choice.gNB, sizeof(GlobalE2node_gNB_ID_t));
+                        }
+                        DU_FREE(e2SetupReq->protocolIEs.list.array[idx2],\
+                            sizeof(E2setupRequestIEs_t));
+                        break;
+                     }
+                     default:
+                        DU_LOG("\n E2AP: Invalid event at e2SetupRequet %ld ",\
+                          (e2SetupReq->protocolIEs.list.array[idx2]->id));
+                        break;
+                  }
+               }
+            }
+            DU_FREE(e2SetupReq->protocolIEs.list.array, e2SetupReq->protocolIEs.list.size);
+         }
+         DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+      }
+      DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
    }
-
-   return ROK;
-}/* End of BuildAndSendE2SetupReq */
-
+   return ret;  
+}
 /*******************************************************************
  *
  * @brief Builds Ric Request Id
@@ -209,13 +355,17 @@ S16 BuildAndSendE2SetupReq()
  *
  * ****************************************************************/
 
-S16 BuildRicRequestId(RICrequestID_t *ricReqId)
+uint8_t BuildRicRequestId(RICrequestID_t *ricReqId)
 {
    if(ricReqId != NULLP)
    {
       ricReqId->ricRequestorID = 1;
       ricReqId->ricInstanceID  = 1;
    }
+       else
+       {
+          return RFAILED;
+       }
    return ROK;
 }
 
@@ -235,7 +385,7 @@ S16 BuildRicRequestId(RICrequestID_t *ricReqId)
  *
  * ****************************************************************/
 
-S16 fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
+uint8_t fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
 {
 
    if(ricAdmitItems != NULLP)
@@ -245,6 +395,10 @@ S16 fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
       ricAdmitItems->value.present = RICaction_Admitted_ItemIEs__value_PR_RICaction_Admitted_Item;
       ricAdmitItems->value.choice.RICaction_Admitted_Item.ricActionID = 1; 
    }
+       else
+       {
+          return RFAILED;
+       }
    return ROK;
 }
 /*******************************************************************
@@ -253,7 +407,7 @@ S16 fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
  *
  * @details
  *
- *    Function : fillRicAdmitList
+ *    Function : BuildRicAdmitList
  *
  *    Functionality: Builds the mandatory Ric Admitted List Params
  *
@@ -263,25 +417,207 @@ S16 fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
  *
  * ****************************************************************/
 
-S16 BuildRicAdmitList(RICaction_Admitted_List_t *admitListPtr)
+uint8_t BuildRicAdmitList(RICaction_Admitted_List_t *admitListPtr)
 {
-   U8 elementCnt; 
-
-   elementCnt = 1; 
-   admitListPtr->list.count = elementCnt;
-   admitListPtr->list.size  = elementCnt * sizeof(RICaction_Admitted_ItemIEs_t);
-   DU_ALLOC(admitListPtr->list.array, admitListPtr->list.size);
-   if(admitListPtr->list.array == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for RIC Admit List failed");
-      return RFAILED;
-   }
-   DU_ALLOC(admitListPtr->list.array[0], sizeof(RICaction_Admitted_ItemIEs_t));
-   fillRicAdmitList(admitListPtr->list.array[0]);
+   uint8_t idx ;
+   uint8_t elementCnt;  
+       uint8_t ret= ROK;
+   elementCnt = 1;
 
-   return ROK;
+   if(admitListPtr == NULLP)
+       {
+           DU_LOG("\nE2AP : Memory allocation for RIC Admit List failed");
+           ret = RFAILED;
+       }
+   else
+       {
+          admitListPtr->list.count = elementCnt;
+      admitListPtr->list.size  = elementCnt * sizeof(RICaction_Admitted_ItemIEs_t);
+      DU_ALLOC(admitListPtr->list.array, admitListPtr->list.size);
+      if(admitListPtr->list.array == NULLP)
+      {
+         DU_LOG("\nE2AP : Memory allocation for RIC Admit List failed");
+         ret = RFAILED;
+      }
+               else
+               {
+             for(idx=0 ; idx<elementCnt ; idx++ )
+             {
+            DU_ALLOC(admitListPtr->list.array[idx], sizeof(RICaction_Admitted_ItemIEs_t));
+                     if(admitListPtr->list.array[idx] == NULLP)
+                     {
+                        ret = RFAILED;
+                     }
+                       }
+                       if(ret != RFAILED)
+                       {
+                idx=0;
+            fillRicAdmitList((RICaction_Admitted_ItemIEs_t *)admitListPtr->list.array[idx]);
+         }
+               }
+       }       
+   return ret;
+}
+/*******************************************************************
+ *
+ * @breif Deallocation of BuildAndSendRicSubscriptionRsp memory
+ *
+ * @details
+ *
+ *    Function : FreeRicSubscriptionRsp
+ *
+ * Functionality:Free the RicSubscriptionRsp
+ *
+ * @param[in] E2AP_PDU_t *e2apRicMsg
+ *
+ * @return void
+ *      
+ *
+ ******************************************************************/
+void FreeRicSubscriptionRsp(E2AP_PDU_t  *e2apRicMsg)
+{
+         RICsubscriptionResponse_t  *ricSubscriptionRsp= NULLP;
+     uint8_t idx=0;
+         uint8_t idx1=0;
+         RICaction_Admitted_List_t *admitListPtr;
+
+         if(e2apRicMsg != NULLP)
+         {
+            if(e2apRicMsg->choice.successfulOutcome != NULLP)
+                 {
+                    ricSubscriptionRsp = &e2apRicMsg->choice.successfulOutcome->value.choice.RICsubscriptionResponse;
+                         if(ricSubscriptionRsp)
+                         {
+                            if(ricSubscriptionRsp->protocolIEs.list.array != NULLP)
+                                 {
+                                    for(idx=0; idx<ricSubscriptionRsp->protocolIEs.list.count; idx++)
+                                         {
+                                            if(ricSubscriptionRsp->protocolIEs.list.array[idx] != NULLP)
+                                                 {
+                                                    switch(ricSubscriptionRsp->protocolIEs.list.array[idx]->id)
+                                                         {
+                                                            case ProtocolIE_IDE2_id_RICrequestID:
+                                                                      break;
+
+                                                                 case ProtocolIE_IDE2_id_RANfunctionID:
+                                                                      break;
+
+                                                                 case ProtocolIE_IDE2_id_RICactions_Admitted:
+                                                       {
+                                                           admitListPtr = &ricSubscriptionRsp->protocolIEs.list.\
+                                                                          array[idx]->value.choice.RICaction_Admitted_List;
+                                                                          if(admitListPtr->list.array != NULLP)
+                                                                          {
+                                                                              for(idx1=0 ; idx1<admitListPtr->list.count; idx1++ )
+                                                                              {
+                                                                                 if(admitListPtr->list.array[idx1] != NULLP)
+                                                                  {
+                                                                                        DU_FREE(admitListPtr->list.array[idx1],
+                                                                                    sizeof(RICaction_Admitted_ItemIEs_t));
+                                                                                           }
+                                                                              }
+                                                                                   DU_FREE(admitListPtr->list.array, admitListPtr->list.size);  
+                               }
+                                                                                break;
+                                                                   }
+                                                                        default:
+                                                                           break;
+                        }
+                                                     DU_FREE(ricSubscriptionRsp->protocolIEs.list.array[idx], \
+                                                          sizeof(RICsubscriptionResponse_IEs_t));
+                                                  }
+                                          }
+                                          DU_FREE(ricSubscriptionRsp->protocolIEs.list.array, \
+                                          ricSubscriptionRsp->protocolIEs.list.size);
+               }
+            }   
+                          DU_FREE(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+                  }            
+         DU_FREE(e2apRicMsg, sizeof(E2AP_PDU_t));            
+         }
+}
+ /*******************************************************************
+ *
+ * @brief Builds and Send the RicSubscriptionRsp
+ *
+ * @details
+ *
+ *    Function : BuildAndSendRicSubscriptionRsp
+ *
+ * functionality:Fills the RicSubscriptionRsp
+ *
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t  FillRicSubscriptionRsp(RICsubscriptionResponse_t  *ricSubscriptionRsp )
+{
+   uint8_t idx=0;
+       uint8_t ret = ROK;
+       uint8_t elementCnt = 0;
+       uint8_t BuildRicRequestIdret=ROK;
+       uint8_t BuildRicAdmitListret=ROK;
+
+   elementCnt=3;
+       ricSubscriptionRsp->protocolIEs.list.count = elementCnt;
+       ricSubscriptionRsp->protocolIEs.list.size  = elementCnt * sizeof(RICsubscriptionResponse_IEs_t);
+   DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array, \
+       ricSubscriptionRsp->protocolIEs.list.size);
+       if(ricSubscriptionRsp->protocolIEs.list.array == NULLP)
+       {
+      DU_LOG("\nE2AP : Memory allocation for FillRicSubscriptionRsp  failed");
+               ret = RFAILED;
+       }
+       else
+       {
+          for(idx=0; idx<ricSubscriptionRsp->protocolIEs.list.count; idx++)
+          {
+             DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array[idx], \
+               sizeof(RICsubscriptionResponse_IEs_t));
+               if(ricSubscriptionRsp->protocolIEs.list.array[idx] == NULLP)
+                       {
+                       ret = RFAILED;
+                       }
+               }
+               if(ret != RFAILED)
+               {
+          
+                       idx=0;
+               ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
+               ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+               ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+               RICsubscriptionRequest_IEs__value_PR_RICrequestID;
+               BuildRicRequestIdret =
+               BuildRicRequestId(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICrequestID);
+               if(BuildRicRequestIdret != ROK)
+               {
+                       ret = RFAILED;
+               }
+             else
+                       {
+                               idx++;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+                               RICsubscriptionRequest_IEs__value_PR_RANfunctionID;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RANfunctionID = 1;
+       
+                               idx++;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactions_Admitted;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+                               ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+                               RICsubscriptionResponse_IEs__value_PR_RICaction_Admitted_List;
+                               BuildRicAdmitListret =
+                               BuildRicAdmitList(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICaction_Admitted_List);
+                               if(BuildRicAdmitListret != ROK)
+                               {
+                               ret = RFAILED;
+                               }
+                       }
+               }
+       }       
+   return ret;
 }
-
 /*******************************************************************
  *
  * @brief Builds and Send the RicSubscriptionRsp
@@ -297,119 +633,82 @@ S16 BuildRicAdmitList(RICaction_Admitted_List_t *admitListPtr)
  *
  ******************************************************************/
 
-S16 BuildAndSendRicSubscriptionRsp()
+uint8_t BuildAndSendRicSubscriptionRsp()
 {
 
    E2AP_PDU_t         *e2apRicMsg = NULLP;
-   RICsubscriptionResponse_t  *ricSubscriptionRsp;
+   RICsubscriptionResponse_t  *ricSubscriptionRsp=NULLP;
    asn_enc_rval_t     encRetVal; 
-   U8 idx;
-   U8 elementCnt;
-
-   DU_LOG("\nE2AP : Building RIC Subscription Response\n");
-
-   DU_ALLOC(e2apRicMsg, sizeof(E2AP_PDU_t)); 
-   if(e2apRicMsg == NULLP)
+   uint8_t ret = RFAILED;
+   uint8_t FillRicricSubscriptionRspret;
+       
+   while(1)
    {
-      DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
-      return RFAILED;
-   }
-   e2apRicMsg->present =  E2AP_PDU_PR_successfulOutcome;
-   DU_ALLOC(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
-   if(e2apRicMsg->choice.successfulOutcome == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for Ric subscription Response failed");
-      DU_FREE(e2apRicMsg, sizeof(RICsubscriptionResponse_t));
-      return RFAILED;  
-   }
-
-   e2apRicMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscription;
-   e2apRicMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
-   e2apRicMsg->choice.successfulOutcome->value.present = \
+        DU_LOG("\nE2AP : Building RIC Subscription Response\n");
+
+        DU_ALLOC(e2apRicMsg, sizeof(E2AP_PDU_t)); 
+        if(e2apRicMsg == NULLP)
+        {
+           DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
+           break;
+        }
+        e2apRicMsg->present =  E2AP_PDU_PR_successfulOutcome;
+        DU_ALLOC(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+        if(e2apRicMsg->choice.successfulOutcome == NULLP)
+        {
+             DU_LOG("\nE2AP : Memory allocation for Ric subscription Response failed");
+             break;
+        }
+
+        e2apRicMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscription;
+        e2apRicMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+        e2apRicMsg->choice.successfulOutcome->value.present = \
          SuccessfulOutcomeE2__value_PR_RICsubscriptionResponse;
-   ricSubscriptionRsp = &e2apRicMsg->choice.successfulOutcome->value.choice.RICsubscriptionResponse;
+        ricSubscriptionRsp = &e2apRicMsg->choice.successfulOutcome->value.choice.RICsubscriptionResponse;
 
-   elementCnt = 3;
-   ricSubscriptionRsp->protocolIEs.list.count = elementCnt;
-   ricSubscriptionRsp->protocolIEs.list.size  = elementCnt * sizeof(RICsubscriptionResponse_IEs_t);
+                 FillRicricSubscriptionRspret = FillRicSubscriptionRsp(ricSubscriptionRsp);
+        if(FillRicricSubscriptionRspret != ROK)
+                 {
+                    DU_LOG("\nE2AP : Memory allocation for RICsubscriptionResponseIE failed");
+                    break;
+                 }
 
-   DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array, \
-              ricSubscriptionRsp->protocolIEs.list.size);
-   if(ricSubscriptionRsp->protocolIEs.list.array == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for RICsubscriptionResponseIE failed");
-      DU_FREE(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
-      DU_FREE(e2apRicMsg, sizeof(E2AP_PDU_t));
-      return RFAILED;
-   }
+       /* Prints the Msg formed */
+        xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apRicMsg);
 
-   for(idx=0; idx<elementCnt; idx++)
-   {
-      DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array[idx], \
-            sizeof(RICsubscriptionResponse_IEs_t)); 
-      if(ricSubscriptionRsp->protocolIEs.list.array[idx] == NULLP)
-      {  
-         DU_FREE(ricSubscriptionRsp->protocolIEs.list.array,\
-                   ricSubscriptionRsp->protocolIEs.list.size);
-         DU_FREE(e2apRicMsg->choice.successfulOutcome, \
-               sizeof(SuccessfulOutcomeE2_t));
-         DU_FREE(e2apRicMsg, sizeof(E2AP_PDU_t));
-         return RFAILED;
-      }    
-   }
-   idx = 0;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
-            RICsubscriptionRequest_IEs__value_PR_RICrequestID;
-   BuildRicRequestId(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICrequestID);
-   
-   idx++;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
-                                    RICsubscriptionRequest_IEs__value_PR_RANfunctionID;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RANfunctionID = 1;
-
-   idx++;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactions_Admitted;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
-                               RICsubscriptionResponse_IEs__value_PR_RICaction_Admitted_List;
-   BuildRicAdmitList(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICaction_Admitted_List);
-
-
-   /* Prints the Msg formed */
-   xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apRicMsg);
-
-   cmMemset((U8 *)encBuf, 0, ENC_BUF_MAX_LEN);
-   encBufSize = 0;
-   encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apRicMsg, PrepFinalEncBuf,\
+        cmMemset((uint8_t *)encBuf, 0, ENC_BUF_MAX_LEN);
+        encBufSize = 0;
+        encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apRicMsg, PrepFinalEncBuf,\
                encBuf);
-   if(encRetVal.encoded == ENCODE_FAIL)
-   {
-          DU_LOG("\nE2AP : Could not encode RIC Subscription Response structure (at %s)\n",\
+        if(encRetVal.encoded == ENCODE_FAIL)
+        {
+                DU_LOG("\nE2AP : Could not encode RIC Subscription Response structure (at %s)\n",\
                           encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-          return RFAILED;
-   }
-   else
-   {
-           DU_LOG("\nE2AP : Created APER encoded buffer for RIC subscription response \n");
-          for(int i=0; i< encBufSize; i++)
-          {
-                  printf("%x",encBuf[i]);
-          } 
-   }
+                break;
+        }
+        else
+        {
+            DU_LOG("\nE2AP : Created APER encoded buffer for RIC subscription response \n");
+                for(int i=0; i< encBufSize; i++)
+                {
+                         printf("%x",encBuf[i]);
+                } 
+        } 
+
+        if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
+        {
+            DU_LOG("\nE2AP : Sending RIC Subscription Response failed");      
+            break;
+        }
 
-   if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
-   {
-      DU_LOG("\nE2AP : Sending RIC Subscription Response failed");      
-      return RFAILED;
-   }
-   
-   return ROK;
-}
+                 ret = ROK;
+                 break;
+
+    }
+        FreeRicSubscriptionRsp(e2apRicMsg);
+    
+        return ret;
+ }
 /******************************************************************
 *
 * @brief Processes E2 Setup Response sent by RIC
@@ -425,11 +724,11 @@ S16 BuildAndSendRicSubscriptionRsp()
 *         RFAILED - failure
 *
 * ****************************************************************/
-S16 procE2SetupRsp(E2AP_PDU_t *e2apMsg)
+uint8_t procE2SetupRsp(E2AP_PDU_t *e2apMsg)
 {
+   uint8_t idx; 
+   uint32_t recvBufLen;             
    E2setupResponse_t *e2SetRspMsg;
-   E2apMsgDb e2SetupRspDb;
-   U8 idx; 
 
    DU_LOG("\nE2AP : E2 Setup Response received"); 
    duCb.e2Status = TRUE; //Set E2 status as true
@@ -442,17 +741,18 @@ S16 procE2SetupRsp(E2AP_PDU_t *e2apMsg)
          case ProtocolIE_IDE2_id_GlobalRIC_ID:
          {
             /* To store the Ric Id Params */
-            U32 recvBufLen;             
-            memset(&e2SetupRspDb.plmn, 0, sizeof(PLMN_IdentityE2_t));
-
-            recvBufLen = sizeof(e2SetRspMsg->protocolIEs.list.array[idx]->value.choice.GlobalRIC_ID.pLMN_Identity);
-
-            bitStringToInt(&e2SetRspMsg->protocolIEs.list.array[idx]->value.choice.GlobalRIC_ID.ric_ID, &e2SetupRspDb.ricId);
-            aper_decode(0, &asn_DEF_PLMN_IdentityE2, (void **)&e2SetupRspDb.plmn, \
-              &e2SetRspMsg->protocolIEs.list.array[idx]->value.choice.GlobalRIC_ID.pLMN_Identity, recvBufLen, 0, 0);
-
-            xer_fprint(stdout, &asn_DEF_PLMN_IdentityE2, &e2SetupRspDb.plmn);
-            break;
+            recvBufLen = sizeof(e2SetRspMsg->protocolIEs.list.array[idx]->value\
+                                .choice.GlobalRIC_ID.pLMN_Identity.size);
+                               e2apMsgDb.plmn = NULLP;
+            DU_ALLOC(e2apMsgDb.plmn, recvBufLen);
+                               if(e2apMsgDb.plmn)
+                               {
+                                  memcpy(e2apMsgDb.plmn, e2SetRspMsg->protocolIEs.list.array[idx]\
+                                        ->value.choice.GlobalRIC_ID.pLMN_Identity.buf, recvBufLen);
+                               }
+            bitStringToInt(&e2SetRspMsg->protocolIEs.list.array[idx]->value.choice.GlobalRIC_ID.ric_ID, &e2apMsgDb.ricId);
+            /*TODO : e2apMsgDb.plmn memory to be deallocated after the usage */
+                          break;
          }
          default:
             DU_LOG("\nE2AP : Invalid IE received in E2SetupRsp:%ld",
@@ -479,15 +779,15 @@ S16 procE2SetupRsp(E2AP_PDU_t *e2apMsg)
 *
 * ****************************************************************/
 
-S16 procRicSubsReq(E2AP_PDU_t *e2apMsg)
+uint8_t procRicSubsReq(E2AP_PDU_t *e2apMsg)
 {
-   S16 ret = ROK;
-   U8 idx; 
-   U8 ied; 
+   uint8_t idx; 
+   uint8_t ied; 
+   uint8_t ret = ROK;
+   uint32_t recvBufLen;             
    RICsubscriptionRequest_t *ricSubsReq;
    RICaction_ToBeSetup_ItemIEs_t *actionItem;
-   E2apMsgDb ricReqDb;
-  
+
    DU_LOG("\nE2AP : Ric Subscription request received"); 
    ricSubsReq = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionRequest;
 
@@ -497,39 +797,44 @@ S16 procRicSubsReq(E2AP_PDU_t *e2apMsg)
       {
          case ProtocolIE_IDE2_id_RICrequestID:
          {
-            ricReqDb.ricReqId = ricSubsReq->protocolIEs.list.array[idx]->\
+            e2apMsgDb.ricReqId = ricSubsReq->protocolIEs.list.array[idx]->\
                                    value.choice.RICrequestID.ricRequestorID;
-            ricReqDb.ricInstanceId = ricSubsReq->protocolIEs.list.array[idx]-> \
+            e2apMsgDb.ricInstanceId = ricSubsReq->protocolIEs.list.array[idx]-> \
                                        value.choice.RICrequestID.ricInstanceID;
             break;
          }
          case ProtocolIE_IDE2_id_RANfunctionID:
          {
-            ricReqDb.ranFuncId = ricSubsReq->protocolIEs.list.array[idx]-> \
+            e2apMsgDb.ranFuncId = ricSubsReq->protocolIEs.list.array[idx]-> \
                                    value.choice.RANfunctionID; 
             break;
          }
          case ProtocolIE_IDE2_id_RICsubscriptionDetails:
          {
-            U32 recvBufLen;             
-            memset(&ricReqDb.ricEventTrigger, 0, sizeof(RICeventTriggerDefinition_t));
-
-            recvBufLen = sizeof(ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails.ricEventTriggerDefinition);
-
-            aper_decode(0, &asn_DEF_RICeventTriggerDefinition, (void **)&ricReqDb.ricEventTrigger, &(ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails.ricEventTriggerDefinition), recvBufLen, 0, 0);
-            xer_fprint(stdout, &asn_DEF_RICeventTriggerDefinition, &ricReqDb.ricEventTrigger);
-
-            actionItem = *ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails.ricAction_ToBeSetup_List.list.array;
+                          recvBufLen = sizeof(ricSubsReq->protocolIEs.list.array[idx]->value\
+                                .choice.RICsubscriptionDetails.ricEventTriggerDefinition.size);
+                          e2apMsgDb.ricEventTrigger = NULLP;
+                               DU_ALLOC(e2apMsgDb.ricEventTrigger, recvBufLen);
+                               /*TODO : e2apMsgDb.ricEventTrigger memory to be deallocated after the usage */
+                               if(e2apMsgDb.ricEventTrigger)
+                               {
+                                  memcpy(e2apMsgDb.ricEventTrigger, ricSubsReq->protocolIEs.list.array[idx]\
+                                        ->value.choice.RICsubscriptionDetails.ricEventTriggerDefinition.buf, \
+                                        recvBufLen);
+                          }
+            actionItem =(RICaction_ToBeSetup_ItemIEs_t *)ricSubsReq->protocolIEs.list\
+                                .array[idx]->value.choice.RICsubscriptionDetails.ricAction_ToBeSetup_List\
+                                .list.array[0];
             
             for(ied = 0; ied < ricSubsReq->protocolIEs.list.array[idx]->value.choice.\
-                                RICsubscriptionDetails.ricAction_ToBeSetup_List.list.count; ied++)
+             RICsubscriptionDetails.ricAction_ToBeSetup_List.list.count; ied++)
             {
                switch(actionItem->id)
                {
                   case ProtocolIE_IDE2_id_RICaction_ToBeSetup_Item:
                   {
-                     ricReqDb.ricActionId = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionID;
-                     ricReqDb.ricActionType = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionType;
+                     e2apMsgDb.ricActionId = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionID;
+                     e2apMsgDb.ricActionType = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionType;
                      break;
                   }
                   default:
@@ -549,9 +854,206 @@ S16 procRicSubsReq(E2AP_PDU_t *e2apMsg)
    }
    ret = BuildAndSendRicSubscriptionRsp();
 
-   RETVALUE(ret);
+   return ret;
 }
 
+ /*******************************************************************
+ *
+ * @brief Free the RicIndication Message
+ *
+ * @details
+ *
+ *    Function : FreeRicIndication
+ *
+ * Functionality: Free the RicIndication Message
+ *
+ * @return void
+ *         
+ *
+ ******************************************************************/
+ void FreeRicIndication(E2AP_PDU_t  *e2apMsg) 
+ {
+     uint8_t idx=0;
+     RICindication_t *ricIndicationMsg= NULLP;
+
+
+     if(e2apMsg != NULLP)
+         {
+             if(e2apMsg->choice.initiatingMessage != NULLP)
+                       {
+                                ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+                           if(ricIndicationMsg!= NULLP)
+                                {
+                                    if(ricIndicationMsg->protocolIEs.list.array != NULLP)
+                                         {
+                                             for(idx=0; idx<ricIndicationMsg->protocolIEs.list.count; idx++)
+                                             {
+                                                      if(ricIndicationMsg->protocolIEs.list.array[idx] != NULLP)
+                                                      {
+                                                          switch(ricIndicationMsg->protocolIEs.list.array[idx]->id)
+                                                                         {
+                                                                             case ProtocolIE_IDE2_id_RICrequestID:
+                                                                                            break;
+
+                                                                                       case ProtocolIE_IDE2_id_RANfunctionID:
+                                                                                            break;
+
+                                                                                       case ProtocolIE_IDE2_id_RICactionID:
+                                                                                            break;
+
+                                                                                       case ProtocolIE_IDE2_id_RICindicationType:
+                                                                                            break;
+
+                                                                                       case ProtocolIE_IDE2_id_RICindicationHeader:
+                                                                                       {
+                                                                                           DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf,\
+                                                                                                ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
+                                                                                           break;
+                                                                                       }
+                                                                                       case ProtocolIE_IDE2_id_RICindicationMessage:
+                                                                                       {
+                                                                                           DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf,\
+                                                                                                ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
+                                                                                           break;
+                                                                                       }
+                                                                                       default:
+                                                                                          break;
+                                                                         }
+                                                                         DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx],sizeof(RICindication_IEs_t));
+                                                           }
+                                             }
+                                             DU_FREE(ricIndicationMsg->protocolIEs.list.array,ricIndicationMsg->protocolIEs.list.size);
+                                               }
+                                }
+                                DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+                       }
+             DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+         }
+ }
+ /*******************************************************************
+  *
+  * brief Fill the RicIndication Message
+  *
+  * @details
+  *
+  *    Function : FillRicIndication
+  *
+  * Functionality:Fills the RicIndication Message
+  *
+  * @return ROK     - success
+  *         RFAILED - failure
+  *
+  ******************************************************************/
+uint8_t FillRicIndication(RICindication_t *ricIndicationMsg)
+{
+   uint8_t elementCnt=0;
+   uint8_t idx=0;
+   uint8_t ret = ROK;
+   elementCnt = 6;
+       
+       ricIndicationMsg->protocolIEs.list.count = elementCnt;
+       ricIndicationMsg->protocolIEs.list.size  = elementCnt * sizeof(RICindication_t);
+       /* Initialize the Ric Indication members */
+       DU_ALLOC(ricIndicationMsg->protocolIEs.list.array, \
+       ricIndicationMsg->protocolIEs.list.size);
+       if(ricIndicationMsg->protocolIEs.list.array == NULLP)
+       {
+           DU_LOG("\nE2AP : Memory allocation for RICindicationIEs failed");
+           ret = RFAILED;
+       }
+   else
+       {
+          for(idx=0; idx<elementCnt; idx++)
+      {
+             DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx],\
+             sizeof(RICindication_IEs_t));
+             if(ricIndicationMsg->protocolIEs.list.array[idx] == NULLP)
+             {
+                DU_LOG("\nE2AP : Memory allocation for RICindicationIEs failed");
+                ret = RFAILED;
+                       }
+          }
+               if(ret != RFAILED)
+               {
+         idx = 0;
+           
+             ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+                                                       RICindication_IEs__value_PR_RICrequestID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID =\
+                       e2apMsgDb.ricReqId;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID =\
+                       e2apMsgDb.ricInstanceId;
+
+             idx++;
+             ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+             RICindication_IEs__value_PR_RANfunctionID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RANfunctionID =
+                       e2apMsgDb.ranFuncId;
+               
+             idx++;
+             ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactionID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+                       RICindication_IEs__value_PR_RICactionID;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICactionID =
+                       e2apMsgDb.ricActionId;
+                       
+             idx++;
+             ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationType;
+             ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+                       RICindication_IEs__value_PR_RICindicationType;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationType =
+                       e2apMsgDb.ricActionType;
+             
+                       idx++;
+         ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationHeader;
+         ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+             RICindication_IEs__value_PR_RICindicationHeader;
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size = 3 *
+             sizeof(uint8_t);
+         DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf ,\
+             ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
+             if(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf == NULLP)
+             {
+                DU_LOG("\nE2AP : Memory allocation for RICindicationIEs failed");
+                ret = RFAILED;
+             }
+                  else
+                  {
+                buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
+                &ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader);
+                idx++;
+            /* TO BE CHANGED: RIC INDICATION DATA */
+            /* For now filling a dummy octect data, need to tested with PRBs*/
+            ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationMessage;
+            ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+            ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+            RICindication_IEs__value_PR_RICindicationMessage;
+            ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size = 3 *
+            sizeof(uint8_t);
+            DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf ,\
+                       ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
+                               if(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf == NULLP)
+                               {
+                               DU_LOG("\nE2AP : Memory allocation for RICindicationIEs failed");
+                               ret = RFAILED;
+                       }
+                               else
+                               {
+                                       buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
+                                       &ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage);
+                               }
+                       }
+               }
+       }
+       return ret;
+}
 
 /*******************************************************************
  *
@@ -568,159 +1070,74 @@ S16 procRicSubsReq(E2AP_PDU_t *e2apMsg)
  *
  ******************************************************************/
 
-S16 BuildAndSendRicIndication()
+uint8_t BuildAndSendRicIndication()
 {
    E2AP_PDU_t                 *e2apMsg = NULLP;
-   RICindication_t            *ricIndicationMsg;
-   E2apMsgDb                   e2apMsgDb;
-   U8   elementCnt;
-   U8   idx;
-   U8   ieId;
+   RICindication_t            *ricIndicationMsg=NULLP;
    asn_enc_rval_t             encRetVal;        /* Encoder return value */
-
-   DU_LOG("\nE2AP : Building Ric Indication Message\n");
-
-   DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
-   if(e2apMsg == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
-      return RFAILED;
-   }
-
-   e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
-   DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
-   if(e2apMsg->choice.initiatingMessage == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
-      DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
-      return RFAILED;
-   }
-   e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICindication;
-   e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
-   e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICindication;
-   
-   DU_ALLOC(ricIndicationMsg, sizeof(RICindication_t));
-   ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
-   
-   elementCnt = 6;
-   
-   ricIndicationMsg->protocolIEs.list.count = elementCnt;
-   ricIndicationMsg->protocolIEs.list.size  = elementCnt * sizeof(RICindication_t);
-
-   /* Initialize the Ric Indication members */
-   DU_ALLOC(ricIndicationMsg->protocolIEs.list.array, \
-            ricIndicationMsg->protocolIEs.list.size);
-   if(ricIndicationMsg->protocolIEs.list.array == NULLP)
-   {
-      DU_LOG("\nE2AP : Memory allocation for RICindicationIEs failed");
-      DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
-      DU_FREE(e2apMsg, (Size)sizeof(E2AP_PDU_t));
-      return RFAILED;
-   }
-   
-   for(idx=0; idx<elementCnt; idx++)
-   {
-      DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx],\
-            sizeof(RICindication_IEs_t));
-      if(ricIndicationMsg->protocolIEs.list.array[idx] == NULLP)
-      {
-         for(ieId=0; ieId<idx; ieId++)
-         {
-            DU_FREE(ricIndicationMsg->protocolIEs.list.array[ieId],\
-                  sizeof(RICindication_IEs_t));
-         }
-         DU_FREE(ricIndicationMsg->protocolIEs.list.array,\
-                 ricIndicationMsg->protocolIEs.list.size);
-         DU_FREE(e2apMsg->choice.initiatingMessage, \
-               sizeof(InitiatingMessageE2_t));
-         DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
-         return RFAILED;
-      }
-   }
-   idx = 0;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                    RICindication_IEs__value_PR_RICrequestID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID = e2apMsgDb.ricReqId;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID = e2apMsgDb.ricInstanceId;
-
-   idx++;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                   RICindication_IEs__value_PR_RANfunctionID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RANfunctionID = e2apMsgDb.ranFuncId;
-
-   idx++;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactionID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                   RICindication_IEs__value_PR_RICactionID;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICactionID = e2apMsgDb.ricActionId;
-
-
-   idx++;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationType;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                   RICindication_IEs__value_PR_RICindicationType;
-
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationType = e2apMsgDb.ricActionType;
-
-
-   idx++;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationHeader;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                   RICindication_IEs__value_PR_RICindicationHeader;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size = 3 * sizeof(U8);
-   DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf ,\
-     ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
-   buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
-                &ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader);
-
-   /* TO BE CHANGED: RIC INDICATION DATA */
-   /* For now filling a dummy octect data, need to tested with PRBs*/ 
-   idx++;
-   ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationMessage;
-   ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
-                                  RICindication_IEs__value_PR_RICindicationMessage;
-   ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size = 3 * sizeof(U8);
-   DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf ,\
-     ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
-   buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
-                &ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage);
-  
-   /* Prints the Msg formed */
-   xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
-
-   cmMemset((U8 *)encBuf, 0, ENC_BUF_MAX_LEN);
-   encBufSize = 0;
-   encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+   uint8_t ret = RFAILED; 
+       uint8_t FillRicIndicationret = ROK;
+
+       while(1)
+       {
+        DU_LOG("\nE2AP : Building Ric Indication Message\n");
+
+        DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+        if(e2apMsg == NULLP)
+        {
+             DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
+             break;
+        }
+
+        e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+        DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+        if(e2apMsg->choice.initiatingMessage == NULLP)
+        {
+             DU_LOG("\nE2AP : Memory allocation for E2AP-PDU failed");
+             break;
+        }
+        e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICindication;
+        e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+        e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICindication;
+        
+                 ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+               
+                 FillRicIndicationret = FillRicIndication(ricIndicationMsg);
+        if(FillRicIndicationret != ROK)
+                 {
+                     break;
+                 }
+                 /* Prints the Msg formed */
+        xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+        cmMemset((uint8_t *)encBuf, 0, ENC_BUF_MAX_LEN);
+                 encBufSize = 0;
+        encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
                encBuf);
-   if(encRetVal.encoded == ENCODE_FAIL)
-   {
-          DU_LOG("\nE2AP : Could not encode RIC Indication Message (at %s)\n",\
+        if(encRetVal.encoded == ENCODE_FAIL)
+        {
+                DU_LOG("\nE2AP : Could not encode RIC Indication Message (at %s)\n",\
                           encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-          return RFAILED;
-   }
-   else
-   {
+                break;
+        }
+        else
+        {
            DU_LOG("\nE2AP : Created APER encoded buffer for RIC Indication Message \n");
-          for(int i=0; i< encBufSize; i++)
-          {
-                  printf("%x",encBuf[i]);
-          } 
+               for(int i=0; i< encBufSize; i++)
+               {
+                        printf("%x",encBuf[i]);
+               } 
+        }
+
+        if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
+        {
+            DU_LOG("\nE2AP : Sending RIC Indication Message");      
+      
+        }
+                 ret = ROK;
+                 break;
    }
-
-   if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK)
-   {
-      DU_LOG("\nE2AP : Sending RIC Indication Message");      
-      return RFAILED;
-   }
-   return ROK;
+   FreeRicIndication(e2apMsg); 
+       return ret;
 }
 
 /*******************************************************************
@@ -740,9 +1157,9 @@ S16 BuildAndSendRicIndication()
 *
 * ****************************************************************/
 
-S16 SendE2APMsg(Region region, Pool pool)
+uint8_t SendE2APMsg(Region region, Pool pool)
 {
-   Buffer *mBuf;
+   Buffer *mBuf=NULLP;
 
    if(SGetMsg(region, pool, &mBuf) == ROK)
    {