1 files changed, 100 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/internal/ccnx_InterestReturnFacadeV1.c b/libccnx-common/ccnx/common/internal/ccnx_InterestReturnFacadeV1.c
new file mode 100755
index 00000000..80c1b718
--- /dev/null
+++ b/libccnx-common/ccnx/common/internal/ccnx_InterestReturnFacadeV1.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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.
+ */
+
+/**
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <LongBow/runtime.h>
+
+#include <ccnx/common/internal/ccnx_InterestReturnFacadeV1.h>
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_TlvDictionary.h>
+
+// =====================
+
+static void
+_assertInvariants(const CCNxTlvDictionary *interestDictionary)
+{
+    assertNotNull(interestDictionary, "Dictionary is null");
+    assertTrue(ccnxTlvDictionary_IsInterestReturn(interestDictionary), "Dictionary is not an interest");
+    assertTrue(ccnxTlvDictionary_GetSchemaVersion(interestDictionary) == CCNxTlvDictionary_SchemaVersion_V1,
+               "Dictionary is wrong schema InterestReturn, got %d expected %d",
+               ccnxTlvDictionary_GetSchemaVersion(interestDictionary), CCNxTlvDictionary_SchemaVersion_V1);
+}
+
+static uint32_t
+_fetchUint32(const CCNxTlvDictionary *interestDictionary, uint32_t key, uint32_t defaultValue)
+{
+    if (ccnxTlvDictionary_IsValueInteger(interestDictionary, key)) {
+        return (uint32_t) ccnxTlvDictionary_GetInteger(interestDictionary, key);
+    }
+    return defaultValue;
+}
+
+// =====================
+// Creation
+
+static CCNxTlvDictionary *
+_ccnxInterestReturnFacadeV1_Create(
+    const CCNxInterest *interest,
+    CCNxInterestReturn_ReturnCode code)
+{
+    assertNotNull(interest, "Parameter name must be non-null");
+
+    assertTrue(ccnxInterestInterface_GetInterface(interest) == &CCNxInterestFacadeV1_Implementation,
+               "Non-V1 CCNxInterest passed to V1 ccnxInterestReturn_Create()");
+
+    CCNxInterestReturnFacadeV1_Implementation.interestImpl = CCNxInterestFacadeV1_Implementation;
+
+
+    CCNxTlvDictionary *dictionary = ccnxTlvDictionary_ShallowCopy(interest);
+
+    //Add InterestReturn specific stuff
+    ccnxTlvDictionary_SetMessageType_InterestReturn(dictionary,
+                                                    CCNxTlvDictionary_SchemaVersion_V1);
+
+    ccnxTlvDictionary_PutInteger(dictionary,
+                                 CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_InterestReturnCode,
+                                 code);
+
+    return dictionary;
+}
+
+static void
+_ccnxInterestReturnFacadeV1_AssertValid(const CCNxTlvDictionary *interestDictionary)
+{
+    _assertInvariants(interestDictionary);
+    assertTrue(ccnxTlvDictionary_IsValueName(interestDictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_NAME), "Name field is not a name");
+}
+
+static CCNxInterestReturn_ReturnCode
+_ccnxInterestReturnFacadeV1_GetReturnCode(const CCNxTlvDictionary *interestDictionary)
+{
+    _assertInvariants(interestDictionary);
+    CCNxInterestReturn_ReturnCode code = _fetchUint32(interestDictionary,
+                                                      CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_InterestReturnCode,
+                                                      0);
+    assertTrue(((code > 0) && (code < CCNxInterestReturn_ReturnCode_END)), "InterestReturn ReturnCode is out of ranage");
+
+    return code;
+}
+
+CCNxInterestReturnInterface CCNxInterestReturnFacadeV1_Implementation = {
+    .Create        = &_ccnxInterestReturnFacadeV1_Create,
+    .AssertValid   = &_ccnxInterestReturnFacadeV1_AssertValid,
+    .GetReturnCode = &_ccnxInterestReturnFacadeV1_GetReturnCode,
+};