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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 <ccnx/forwarder/metis/io/metis_AddressPair.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_Hash.h>
#include <parc/algol/parc_Object.h>
#include <LongBow/runtime.h>
struct metis_address_pair {
CPIAddress *local;
CPIAddress *remote;
};
static void
_metisAddressPair_Destroy(MetisAddressPair **addressPairPtr)
{
MetisAddressPair *pair = *addressPairPtr;
cpiAddress_Destroy(&pair->local);
cpiAddress_Destroy(&pair->remote);
}
parcObject_ExtendPARCObject(MetisAddressPair, _metisAddressPair_Destroy,
NULL, metisAddressPair_ToString, metisAddressPair_Equals, NULL, metisAddressPair_HashCode, NULL);
parcObject_ImplementAcquire(metisAddressPair, MetisAddressPair);
parcObject_ImplementRelease(metisAddressPair, MetisAddressPair);
MetisAddressPair *
metisAddressPair_Create(const CPIAddress *local, const CPIAddress *remote)
{
assertNotNull(local, "Parameter local must be non-null");
assertNotNull(remote, "Parameter remote must be non-null");
MetisAddressPair *pair = parcObject_CreateInstance(MetisAddressPair);
assertNotNull(pair, "Got null from parcObject_Create()");
pair->local = cpiAddress_Copy(local);
pair->remote = cpiAddress_Copy(remote);
return pair;
}
bool
metisAddressPair_Equals(const MetisAddressPair *a, const MetisAddressPair *b)
{
if (a == b) {
return true;
}
if (a == NULL || b == NULL) {
return false;
}
if (cpiAddress_Equals(a->local, b->local)) {
if (cpiAddress_Equals(a->remote, b->remote)) {
return true;
}
}
return false;
}
bool
metisAddressPair_EqualsAddresses(const MetisAddressPair *a, const CPIAddress *local, const CPIAddress *remote)
{
if (a == NULL || local == NULL || remote == NULL) {
return false;
}
if (cpiAddress_Equals(a->local, local)) {
if (cpiAddress_Equals(a->remote, remote)) {
return true;
}
}
return false;
}
char *
metisAddressPair_ToString(const MetisAddressPair *pair)
{
assertNotNull(pair, "Parameter pair must be non-null");
char *local = cpiAddress_ToString(pair->local);
char *remote = cpiAddress_ToString(pair->remote);
char *output;
int failure = asprintf(&output, "{ .local=%s, .remote=%s }", local, remote);
assertTrue(failure > -1, "Error on asprintf");
parcMemory_Deallocate((void **) &local);
parcMemory_Deallocate((void **) &remote);
return output;
}
const CPIAddress *
metisAddressPair_GetLocal(const MetisAddressPair *pair)
{
assertNotNull(pair, "Parameter pair must be non-null");
return pair->local;
}
const CPIAddress *
metisAddressPair_GetRemote(const MetisAddressPair *pair)
{
assertNotNull(pair, "Parameter pair must be non-null");
return pair->remote;
}
/**
* @function metisAddressPair_HashCode
* @abstract Hash useful for tables. Consistent with Equals.
* @discussion
* Returns a non-cryptographic hash that is consistent with equals. That is,
* if a == b, then hash(a) == hash(b).
*
* @param <#param1#>
* @return <#return#>
*/
PARCHashCode
metisAddressPair_HashCode(const MetisAddressPair *pair)
{
PARCHashCode hashpair[2];
hashpair[0] = cpiAddress_HashCode(pair->local);
hashpair[1] = cpiAddress_HashCode(pair->remote);
return parcHashCode_Hash((const uint8_t *) hashpair, sizeof(hashpair));
// return parcHash32_Data(hashpair, sizeof(hashpair));
}
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