1 files changed, 91 insertions, 0 deletions
diff --git a/metis/ccnx/forwarder/metis/processor/metis_ContentStoreEntry.c b/metis/ccnx/forwarder/metis/processor/metis_ContentStoreEntry.c
new file mode 100644
index 00000000..cefc547a
--- /dev/null
+++ b/metis/ccnx/forwarder/metis/processor/metis_ContentStoreEntry.c
@@ -0,0 +1,91 @@
+/*
+ * 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 <parc/algol/parc_Memory.h>
+#include <ccnx/forwarder/metis/processor/metis_ContentStoreEntry.h>
+
+#include <LongBow/runtime.h>
+
+struct metis_content_store_entry {
+    MetisMessage *message;
+    MetisLruListEntry *lruEntry;
+    unsigned refcount;
+};
+
+MetisContentStoreEntry *
+metisContentStoreEntry_Create(MetisMessage *objectMessage, MetisLruList *lruList)
+{
+    assertNotNull(objectMessage, "Parameter objectMessage must be non-null");
+
+    MetisContentStoreEntry *entry = parcMemory_AllocateAndClear(sizeof(MetisContentStoreEntry));
+    assertNotNull(entry, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(MetisContentStoreEntry));
+    entry->message = metisMessage_Acquire(objectMessage);
+    entry->refcount = 1;
+    entry->lruEntry = metisLruList_NewHeadEntry(lruList, entry);
+
+    return entry;
+}
+
+MetisContentStoreEntry *
+metisContentStoreEntry_Acquire(MetisContentStoreEntry *original)
+{
+    assertNotNull(original, "Parameter must be non-null");
+    original->refcount++;
+    return original;
+}
+
+void
+metisContentStoreEntry_Release(MetisContentStoreEntry **entryPtr)
+{
+    assertNotNull(entryPtr, "Parameter must be non-null double pointer");
+    assertNotNull(*entryPtr, "Parameter must dereference to non-null pointer");
+
+    MetisContentStoreEntry *entry = *entryPtr;
+    assertTrue(entry->refcount > 0, "Illegal state: has refcount of 0");
+
+    entry->refcount--;
+    if (entry->refcount == 0) {
+        metisLruList_EntryDestroy(&entry->lruEntry);
+        metisMessage_Release(&entry->message);
+        parcMemory_Deallocate((void **) &entry);
+    }
+    *entryPtr = NULL;
+}
+
+/**
+ * @function metisContentStoreEntry_GetMessage
+ * @abstract Returns a reference counted copy of the message.
+ * @discussion
+ *   Caller must use <code>metisMessage_Release()</code> on the returned message
+ *
+ * @param <#param1#>
+ * @return <#return#>
+ */
+MetisMessage *
+metisContentStoreEntry_GetMessage(MetisContentStoreEntry *storeEntry)
+{
+    assertNotNull(storeEntry, "Parameter must be non-null");
+    return metisMessage_Acquire(storeEntry->message);
+}
+
+void
+metisContentStoreEntry_MoveToHead(MetisContentStoreEntry *storeEntry)
+{
+    assertNotNull(storeEntry, "Parameter must be non-null");
+    metisLruList_EntryMoveToHead(storeEntry->lruEntry);
+}