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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 <LongBow/runtime.h>
#include <stdio.h>
#include <string.h>
#include <ccnx/common/ccnx_Link.h>
#include <parc/algol/parc_Object.h>
struct ccnx_link {
const CCNxName *name;
PARCBuffer *keyId;
PARCBuffer *contentHash;
};
static void
_destroy(CCNxLink **linkP)
{
ccnxName_Release((CCNxName **) &(*linkP)->name);
if ((*linkP)->keyId != NULL) {
parcBuffer_Release(&(*linkP)->keyId);
}
if ((*linkP)->contentHash != NULL) {
parcBuffer_Release(&(*linkP)->contentHash);
}
}
parcObject_ExtendPARCObject(CCNxLink, _destroy, NULL, ccnxLink_ToString, ccnxLink_Equals, NULL, NULL, NULL);
parcObject_ImplementAcquire(ccnxLink, CCNxLink);
parcObject_ImplementRelease(ccnxLink, CCNxLink);
CCNxLink *
ccnxLink_Create(const CCNxName *name, PARCBuffer *keyId, PARCBuffer *contentObjectHash)
{
CCNxLink *link = parcObject_CreateInstance(CCNxLink);
if (link != NULL) {
link->name = ccnxName_Acquire(name);
link->keyId = (keyId == NULL) ? NULL : parcBuffer_Acquire(keyId);
link->contentHash = (contentObjectHash == NULL) ? NULL : parcBuffer_Acquire(contentObjectHash);
}
return link;
}
CCNxLink *
ccnxLink_Copy(const CCNxLink *original)
{
CCNxLink *link = parcObject_CreateInstance(CCNxLink);
if (link != NULL) {
link->name = ccnxName_Copy(original->name);
link->keyId = (original->keyId == NULL) ? NULL : parcBuffer_Copy(original->keyId);
link->contentHash = (original->contentHash == NULL) ? NULL : parcBuffer_Copy(original->contentHash);
}
return link;
}
const CCNxName *
ccnxLink_GetName(const CCNxLink *link)
{
return link->name;
}
PARCBuffer *
ccnxLink_GetKeyID(const CCNxLink *link)
{
return link->keyId;
}
PARCBuffer *
ccnxLink_GetContentObjectHash(const CCNxLink *link)
{
return link->contentHash;
}
bool
ccnxLink_Equals(const CCNxLink *objectA, const CCNxLink *objectB)
{
bool result = false;
if (objectA == objectB) {
result = true;
} else if (objectA != NULL && objectB != NULL) {
if (ccnxName_Equals(objectA->name, objectB->name)) {
if (parcBuffer_Equals(objectA->keyId, objectB->keyId)) {
if (parcBuffer_Equals(objectA->contentHash, objectB->contentHash)) {
return true;
}
}
}
}
return result;
}
char *
ccnxLink_ToString(const CCNxLink *link)
{
char *nameString = ccnxName_ToString(link->name);
char *keyIdString = "NULL";
bool nullKeyIdString = true;
if (link->keyId != NULL) {
keyIdString = parcBuffer_ToString(link->keyId);
nullKeyIdString = false;
}
char *contentObjectHashString = NULL;
bool nullContentObjectHashString = true;
if (link->contentHash != NULL) {
contentObjectHashString = parcBuffer_ToString(link->contentHash);
nullContentObjectHashString = false;
}
char *string;
int failure = asprintf(&string, "CCNxLink { .name=\"%s\", .KeyID=\"%s\", .ContentObjectHash=\"%s\" }",
nameString,
keyIdString,
contentObjectHashString);
assertTrue(failure > -1, "Error asprintf");
parcMemory_Deallocate((void **) &nameString);
if (!nullKeyIdString) {
parcMemory_Deallocate((void **) &keyIdString);
}
if (!nullContentObjectHashString) {
parcMemory_Deallocate((void **) &contentObjectHashString);
}
char *result = parcMemory_StringDuplicate(string, strlen(string));
free(string);
return result;
}
bool
ccnxLink_IsValid(const CCNxLink *link)
{
bool result = false;
if (link != NULL) {
if (ccnxName_IsValid(link->name)) {
if (link->keyId == NULL || parcBuffer_IsValid(link->keyId)) {
if (link->contentHash == NULL || parcBuffer_IsValid(link->contentHash)) {
result = true;
}
}
}
}
return result;
}
void
ccnxLink_AssertValid(const CCNxLink *link)
{
assertTrue(ccnxLink_IsValid(link), "CCNxLink instance is not valid.");
}
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