From c580a00aac271a524e5a75b35f4b91c174ed227b Mon Sep 17 00:00:00 2001 From: michele papalini Date: Thu, 23 Feb 2017 17:01:34 +0100 Subject: Initial commit: sb-forwarder, metis. Change-Id: I65ee3c851a6901929ef4417ad80d34bca0dce445 Signed-off-by: michele papalini --- metis/ccnx/forwarder/metis/io/metis_AddressPair.c | 148 ++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 metis/ccnx/forwarder/metis/io/metis_AddressPair.c (limited to 'metis/ccnx/forwarder/metis/io/metis_AddressPair.c') diff --git a/metis/ccnx/forwarder/metis/io/metis_AddressPair.c b/metis/ccnx/forwarder/metis/io/metis_AddressPair.c new file mode 100644 index 00000000..7725281f --- /dev/null +++ b/metis/ccnx/forwarder/metis/io/metis_AddressPair.c @@ -0,0 +1,148 @@ +/* + * 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 + +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)); +} -- cgit 1.2.3-korg