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/*
* Copyright (c) 2017-2019 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 <src/config.h>
#include <stdio.h>
#include <parc/algol/parc_Memory.h>
#include <src/core/numberSet.h>
#include <src/processor/pitEntry.h>
#include <parc/assert/parc_Assert.h>
struct pit_entry {
Message *message;
NumberSet *ingressIdSet;
NumberSet *egressIdSet;
FibEntry *fibEntry;
Ticks creationTime;
Ticks expiryTime;
unsigned refcount;
};
PitEntry *pitEntry_Create(Message *message, Ticks expiryTime,
Ticks creationTime) {
PitEntry *pitEntry = parcMemory_AllocateAndClear(sizeof(PitEntry));
parcAssertNotNull(pitEntry, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(PitEntry));
pitEntry->message = message;
pitEntry->ingressIdSet = numberSet_Create();
pitEntry->egressIdSet = numberSet_Create();
pitEntry->refcount = 1;
// add the message to the reverse path set
numberSet_Add(pitEntry->ingressIdSet,
message_GetIngressConnectionId(message));
// hack in a 4-second timeout
pitEntry->expiryTime = expiryTime;
pitEntry->fibEntry = NULL;
pitEntry->creationTime = creationTime;
return pitEntry;
}
void pitEntry_Release(PitEntry **pitEntryPtr) {
parcAssertNotNull(pitEntryPtr, "Parameter must be non-null double pointer");
parcAssertNotNull(*pitEntryPtr,
"Parameter must dereference to non-null pointer");
PitEntry *pitEntry = *pitEntryPtr;
parcTrapIllegalValueIf(pitEntry->refcount == 0,
"Illegal state: has refcount of 0");
pitEntry->refcount--;
if (pitEntry->refcount == 0) {
if (pitEntry->fibEntry != NULL) {
fibEntry_Release(&pitEntry->fibEntry);
}
numberSet_Release(&pitEntry->ingressIdSet);
numberSet_Release(&pitEntry->egressIdSet);
message_Release(&pitEntry->message);
parcMemory_Deallocate((void **)&pitEntry);
}
*pitEntryPtr = NULL;
}
PitEntry *pitEntry_Acquire(PitEntry *original) {
parcAssertNotNull(original, "Parameter original must be non-null");
original->refcount++;
return original;
}
void pitEntry_AddIngressId(PitEntry *pitEntry, unsigned ingressId) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
numberSet_Add(pitEntry->ingressIdSet, ingressId);
}
void pitEntry_AddEgressId(PitEntry *pitEntry, unsigned egressId) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
numberSet_Add(pitEntry->egressIdSet, egressId);
}
void pitEntry_AddFibEntry(PitEntry *pitEntry, FibEntry *fibEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
// the fibEntry should be always the same for all the interests in the same
// pitEntry
if (pitEntry->fibEntry == NULL) {
fibEntry_Acquire(fibEntry);
pitEntry->fibEntry = fibEntry;
}
}
FibEntry *pitEntry_GetFibEntry(PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return pitEntry->fibEntry;
}
Ticks pitEntry_GetExpiryTime(const PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return pitEntry->expiryTime;
}
Ticks pitEntry_GetCreationTime(const PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return pitEntry->creationTime;
}
void pitEntry_SetExpiryTime(PitEntry *pitEntry, Ticks expiryTime) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
pitEntry->expiryTime = expiryTime;
}
const NumberSet *pitEntry_GetIngressSet(const PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return pitEntry->ingressIdSet;
}
const NumberSet *pitEntry_GetEgressSet(const PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return pitEntry->egressIdSet;
}
Message *pitEntry_GetMessage(const PitEntry *pitEntry) {
parcAssertNotNull(pitEntry, "Parameter pitEntry must be non-null");
return message_Acquire(pitEntry->message);
}
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