From d18ae43123fcd7604d1c36a1ec8450dbe6071824 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 23 Feb 2017 20:44:26 +0100 Subject: Initial commit: ccnxlibs. Change-Id: I1b376527a7dd01a6b9e083a6cb646955902f45c0 Signed-off-by: Luca Muscariello --- .../ccnxCodecSchemaV1_OptionalHeadersDecoder.c | 125 +++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100755 libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c (limited to 'libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_OptionalHeadersDecoder.c') 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 + +#include +#include + +#include + +#include +#include + +#include +#include +#include + +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; +} -- cgit 1.2.3-korg