X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub.c;h=1694a14dd5b0323cd8a92c07a4c25058c3df0ff4;hb=1dc4874f3806146823871718c4450d4d77444947;hp=397103623e1d44e4c25c4e64f61478266c529706;hpb=1b1e3c88d7018e047cf7a04d44f21059ef5d123b;p=o-du%2Fl2.git

diff --git a/src/cu_stub/cu_stub.c b/src/cu_stub/cu_stub.c
index 397103623..1694a14dd 100644
--- a/src/cu_stub/cu_stub.c
+++ b/src/cu_stub/cu_stub.c
@@ -263,6 +263,40 @@ void readCuCfg()
 
 } /* End of readCuCfg */
 
+/*******************************************************************
+ *
+ * @brief Initiates inter DU handover
+ *
+ * @details
+ *
+ *    Function : initiateInterDuHandover
+ *
+ *    Functionality: Initiates the first procedure of inter-DU
+ *    handover i.eG GNB-DU configuration query to source DU
+ *
+ * @params[in] Source DU Id
+ *             Target DU Id
+ *             UE Id to be handed off 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t ueId)
+{
+    DuDb *duDb = NULLP;
+    CuUeCb *ueCb = NULLP;
+
+    duDb = getDuDb(sourceDuId);
+    if(duDb)
+       ueCb = &duDb->ueCb[ueId-1];
+    if(ueCb)
+       ueCb->state = HANDOVER_IN_PROGRESS;
+
+    DU_LOG("\nINFO  --> CU_STUB: Inter-DU Handover Started for ueId [%d] from DU ID [%d] to DU ID [%d]", \
+          ueId, sourceDuId, targetDuId);
+    BuildAndSendUeContextModificationReq(sourceDuId, ueCb, QUERY_CONFIG);
+}
+
 /*******************************************************************
  *
  * @brief Handles Console input
@@ -295,8 +329,9 @@ void *cuConsoleHandler(void *args)
 
    while(true) 
    {
+      ch = getchar();
       /* Send DL user data to CU when user enters 'd' on console */
-      if((ch = getchar()) == 'd')
+      if(ch == 'd')
       {
 
       /* Change #if 0 to #if 1 to take input from user */
@@ -350,6 +385,21 @@ void *cuConsoleHandler(void *args)
 #endif
          continue;
       } 
+
+      /* Start Handover procedure towards DU when 'h' is received from console input */
+      else if(ch == 'h')
+      {
+         uint32_t sourceDuId, targetDuId, ueId;
+
+         DU_LOG("\nEnter Source DU ID for Inter-DU Handover");
+         scanf("%d", &sourceDuId);
+         DU_LOG("\nEnter Target DU ID for Inter-DU Handover");
+         scanf("%d", &targetDuId);
+         DU_LOG("\nEnter DU UE F1AP ID to be handed over");
+         scanf("%d", &ueId);
+
+         initiateInterDuHandover(sourceDuId, targetDuId, ueId);
+      }
    }
 }
 /**********************************************************************