summaryrefslogtreecommitdiffstats
path: root/hicn-light/src/processor/pitEntry.c
diff options
context:
space:
mode:
Diffstat (limited to 'hicn-light/src/processor/pitEntry.c')
-rwxr-xr-xhicn-light/src/processor/pitEntry.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/hicn-light/src/processor/pitEntry.c b/hicn-light/src/processor/pitEntry.c
new file mode 100755
index 000000000..38103cb8e
--- /dev/null
+++ b/hicn-light/src/processor/pitEntry.c
@@ -0,0 +1,142 @@
+/*
+ * 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);
+}