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/*
* 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;
}
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