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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 <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,
};
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