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library/s1ap: Support receiving UEContextModificationRequest

Change-Id: Iadb80eea7281b3bdf3359b0e2956e18bdb208207
---
M library/S1AP_Functions.ttcn
M library/s1ap/S1AP_Templates.ttcn
2 files changed, 31 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/75/41075/1

diff --git a/library/S1AP_Functions.ttcn b/library/S1AP_Functions.ttcn
index 63bdaa4..fbdcada 100644
--- a/library/S1AP_Functions.ttcn
+++ b/library/S1AP_Functions.ttcn
@@ -43,6 +43,9 @@
 				return omit;
 			}
 			}
+		case (tr_S1AP_UeContextModificationReq) {
+			return im.value_.UEContextModificationRequest.protocolIEs[1].value_.ENB_UE_S1AP_ID;
+			}
 		case (tr_S1AP_ConnEstInd) {
 			return im.value_.ConnectionEstablishmentIndication.protocolIEs[1].value_.ENB_UE_S1AP_ID;
 			}
@@ -98,6 +101,9 @@
 		case (tr_S1AP_ConnEstInd) {
 			return im.value_.ConnectionEstablishmentIndication.protocolIEs[0].value_.MME_UE_S1AP_ID;
 			}
+		case (tr_S1AP_UeContextModificationReq) {
+			return im.value_.UEContextModificationRequest.protocolIEs[0].value_.MME_UE_S1AP_ID;
+			}
 		/* TODO */
 		}
 	} else if (ischosen(s1ap.successfulOutcome)) {
diff --git a/library/s1ap/S1AP_Templates.ttcn b/library/s1ap/S1AP_Templates.ttcn
index 2ba2b36..70601e8 100644
--- a/library/s1ap/S1AP_Templates.ttcn
+++ b/library/s1ap/S1AP_Templates.ttcn
@@ -990,6 +990,31 @@
 	}
 }
 
+/* 9.1.4.8 UE CONTEXT MODIFICATION REQUEST */
+template (present) S1AP_PDU
+tr_S1AP_UeContextModificationReq(template (present) MME_UE_S1AP_ID mme_id := ?,
+			      template (present) ENB_UE_S1AP_ID enb_id := ?) := {
+	initiatingMessage := {
+		procedureCode := id_UEContextModification,
+		criticality := reject,
+		value_ := {
+			UEContextModificationRequest := {
+				protocolIEs := {
+					{
+						id := S1AP_Constants.id_MME_UE_S1AP_ID,
+						criticality := reject,
+						value_ := {MME_UE_S1AP_ID := mme_id}
+					}, {
+						id := S1AP_Constants.id_eNB_UE_S1AP_ID,
+						criticality := reject,
+						value_ := {ENB_UE_S1AP_ID := enb_id}
+					}, *
+				}
+			}
+		}
+	}
+}
+
 /* 9.1.4.20 CONNECTION ESTABLISHMENT INDICATION */
 template (value) S1AP_PDU
 ts_S1AP_ConnEstInd(template (value) MME_UE_S1AP_ID mme_id,

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