aboutsummaryrefslogtreecommitdiffstats
path: root/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c')
-rwxr-xr-xlibccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c b/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c
new file mode 100755
index 00000000..48554b9a
--- /dev/null
+++ b/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c
@@ -0,0 +1,125 @@
+/*
+ * 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 <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Buffer.h>
+
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.h>
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_Types.h>
+#include <ccnx/common/codec/ccnxCodec_TlvUtilities.h>
+
+static bool
+_decodeType(CCNxCodecTlvDecoder *decoder, CCNxTlvDictionary *packetDictionary, uint16_t type, uint16_t length)
+{
+ bool success = false;
+ switch (type) {
+ case CCNxCodecSchemaV1Types_OptionalHeaders_InterestFragment:
+ success = ccnxCodecTlvUtilities_PutAsBuffer(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_INTFRAG);
+ break;
+
+ case CCNxCodecSchemaV1Types_OptionalHeaders_ContentObjectFragment:
+ success = ccnxCodecTlvUtilities_PutAsBuffer(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_OBJFRAG);
+ break;
+
+ case CCNxCodecSchemaV1Types_OptionalHeaders_InterestLifetime:
+ // its a time, so use an Integer
+ success = ccnxCodecTlvUtilities_PutAsInteger(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_InterestLifetime);
+ break;
+
+ case CCNxCodecSchemaV1Types_OptionalHeaders_RecommendedCacheTime:
+ // its a time, so use an Integer
+ success = ccnxCodecTlvUtilities_PutAsInteger(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_RecommendedCacheTime);
+ break;
+ case CCNxCodecSchemaV1Types_OptionalHeaders_PathLabel:
+ success = ccnxCodecTlvUtilities_PutAsInteger(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_PathLabel);
+ break;
+
+ default: {
+ // if we do not know the TLV type, put it in this container's unknown list
+ success = ccnxCodecTlvUtilities_PutAsListBuffer(decoder, packetDictionary, type, length, CCNxCodecSchemaV1TlvDictionary_Lists_HEADERS);
+ }
+ break;
+ }
+ if (!success) {
+ CCNxCodecError *error = ccnxCodecError_Create(TLV_ERR_DECODE, __func__, __LINE__, ccnxCodecTlvDecoder_Position(decoder));
+ ccnxCodecTlvDecoder_SetError(decoder, error);
+ ccnxCodecError_Release(&error);
+ }
+ return success;
+}
+
+/*
+ * We are given a decoder that points to the first TLV of a list of TLVs. We keep walking the
+ * list until we come to the end of the decoder.
+ */
+bool
+ccnxCodecSchemaV1OptionalHeadersDecoder_Decode(CCNxCodecTlvDecoder *decoder, CCNxTlvDictionary *packetDictionary)
+{
+ return ccnxCodecTlvUtilities_DecodeContainer(decoder, packetDictionary, _decodeType);
+}
+
+// ==== Getters
+
+PARCBuffer *
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetInterestFragmentHeader(CCNxTlvDictionary *packetDictionary)
+{
+ PARCBuffer *buffer = ccnxTlvDictionary_GetBuffer(packetDictionary, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_INTFRAG);
+ return buffer;
+}
+
+PARCBuffer *
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetContentObjectFragmentHeader(CCNxTlvDictionary *packetDictionary)
+{
+ PARCBuffer *buffer = ccnxTlvDictionary_GetBuffer(packetDictionary, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_OBJFRAG);
+ return buffer;
+}
+
+uint64_t
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetInterestLifetimeHeader(CCNxTlvDictionary *packetDictionary)
+{
+ uint64_t lifetime = ccnxTlvDictionary_GetInteger(packetDictionary, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_InterestLifetime);
+ return lifetime;
+}
+
+uint64_t
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetRecommendedCacheTimeHeader(CCNxTlvDictionary *packetDictionary)
+{
+ uint64_t cachetime = ccnxTlvDictionary_GetInteger(packetDictionary, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_RecommendedCacheTime);
+ return cachetime;
+}
+
+uint64_t
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetPathLabel(CCNxTlvDictionary *packetDictionary)
+{
+ uint64_t pathLabel = ccnxTlvDictionary_GetInteger(packetDictionary, CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_PathLabel);
+ return pathLabel;
+}
+
+PARCBuffer *
+ccnxCodecSchemaV1OptionalHeadersDecoder_GetCustomType(CCNxTlvDictionary *packetDictionary, uint32_t key)
+{
+ PARCBuffer *buffer = ccnxTlvDictionary_ListGetByType(packetDictionary, CCNxCodecSchemaV1TlvDictionary_Lists_HEADERS, key);
+ return buffer;
+}