1 files changed, 77 insertions, 0 deletions
diff --git a/hicn-light/src/messenger/missiveDeque.c b/hicn-light/src/messenger/missiveDeque.c
new file mode 100755
index 000000000..418027d7a
--- /dev/null
+++ b/hicn-light/src/messenger/missiveDeque.c
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ */
+
+/**
+ * A type-safe wrapper for Missives around a {@link PARCDeque}.  We only
+ * implement the subset of functions used.
+ *
+ */
+
+#include <parc/algol/parc_Deque.h>
+#include <parc/algol/parc_Memory.h>
+#include <parc/assert/parc_Assert.h>
+#include <src/config.h>
+#include <stdio.h>
+
+#include <src/messenger/missive.h>
+#include <src/messenger/missiveDeque.h>
+
+struct missive_deque {
+  PARCDeque *queue;
+};
+
+MissiveDeque *missiveDeque_Create(void) {
+  MissiveDeque *missiveDeque =
+      parcMemory_AllocateAndClear(sizeof(MissiveDeque));
+  parcAssertNotNull(missiveDeque,
+                    "parcMemory_AllocateAndClear(%zu) returned NULL",
+                    sizeof(MissiveDeque));
+  missiveDeque->queue = parcDeque_Create();
+  return missiveDeque;
+}
+
+void missiveDeque_Release(MissiveDeque **dequePtr) {
+  parcAssertNotNull(dequePtr, "Double pointer must be non-null");
+  parcAssertNotNull(*dequePtr, "Double pointer must dereference to non-null");
+  MissiveDeque *missiveDeque = *dequePtr;
+
+  // flush the queue
+  while (!parcDeque_IsEmpty(missiveDeque->queue)) {
+    Missive *missive = missiveDeque_RemoveFirst(missiveDeque);
+    missive_Release(&missive);
+  }
+
+  parcDeque_Release(&missiveDeque->queue);
+  parcMemory_Deallocate((void **)&missiveDeque);
+  *dequePtr = NULL;
+}
+
+MissiveDeque *missiveDeque_Append(MissiveDeque *deque, Missive *missive) {
+  parcAssertNotNull(deque, "Parameter deque must be non-null");
+  parcAssertNotNull(missive, "Parameter missive must be non-null");
+
+  parcDeque_Append(deque->queue, missive);
+  return deque;
+}
+
+Missive *missiveDeque_RemoveFirst(MissiveDeque *deque) {
+  parcAssertNotNull(deque, "Parameter deque must be non-null");
+  return (Missive *)parcDeque_RemoveFirst(deque->queue);
+}
+
+size_t missiveDeque_Size(const MissiveDeque *deque) {
+  parcAssertNotNull(deque, "Parameter deque must be non-null");
+  return parcDeque_Size(deque->queue);
+}