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authorLuca Muscariello <lumuscar+fdio@cisco.com>2017-02-23 20:44:26 +0100
committerLuca Muscariello <lumuscar+fdio@cisco.com>2017-02-23 19:51:14 +0000
commitd18ae43123fcd7604d1c36a1ec8450dbe6071824 (patch)
tree2d49fc3aabd0f2607251c854565648d47b56b2e9 /libccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c
parent9b30fc10fb1cbebe651e5a107e8ca5b24de54675 (diff)
Initial commit: ccnxlibs.
Change-Id: I1b376527a7dd01a6b9e083a6cb646955902f45c0 Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'libccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c')
-rwxr-xr-xlibccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c b/libccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c
new file mode 100755
index 00000000..581eb93c
--- /dev/null
+++ b/libccnx-common/ccnx/common/internal/ccnx_ManifestInterface.c
@@ -0,0 +1,55 @@
+/*
+ * 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 <LongBow/runtime.h>
+
+#include <ccnx/common/ccnx_PayloadType.h>
+#include <ccnx/common/internal/ccnx_ManifestInterface.h>
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_TlvDictionary.h>
+
+CCNxManifestInterface *
+ccnxManifestInterface_GetInterface(const CCNxTlvDictionary *dictionary)
+{
+ assertTrue(ccnxTlvDictionary_IsManifest(dictionary), "Expected a Manifest");
+
+ CCNxManifestInterface *impl = (CCNxManifestInterface *) ccnxTlvDictionary_GetMessageInterface(dictionary);
+
+ if (impl == NULL) {
+ // If we're here, we need to update the implementation pointer.
+ // Figure out what the typeImplementation should be, based on the attributes we know.
+ int schemaVersion = ccnxTlvDictionary_GetSchemaVersion(dictionary);
+
+ switch (schemaVersion) {
+ case CCNxTlvDictionary_SchemaVersion_V1:
+ impl = &CCNxManifestFacadeV1_Interface;
+ break;
+ default:
+ trapUnexpectedState("Unknown SchemaVersion encountered in ccnxInterestImplementation_GetImplementation()");
+ break;
+ }
+
+ if (impl == NULL) {
+ // The cast to (CCNxTlvDictionary *) is to break the const.
+ ccnxTlvDictionary_SetMessageInterface((CCNxTlvDictionary *) dictionary, (CCNxMessageInterface *) impl);
+ }
+ }
+
+ return impl;
+}