1 files changed, 146 insertions, 0 deletions
diff --git a/metis/ccnx/forwarder/metis/io/metis_ListenerSet.c b/metis/ccnx/forwarder/metis/io/metis_ListenerSet.c
new file mode 100644
index 00000000..0a0d32fd
--- /dev/null
+++ b/metis/ccnx/forwarder/metis/io/metis_ListenerSet.c
@@ -0,0 +1,146 @@
+/*
+ * 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 <parc/algol/parc_ArrayList.h>
+
+#include <ccnx/forwarder/metis/io/metis_ListenerSet.h>
+
+#include <LongBow/runtime.h>
+
+struct metis_listener_set {
+    PARCArrayList *listOfListeners;
+};
+
+static void
+metisListenerSet_DestroyListenerOps(void **opsPtr)
+{
+    MetisListenerOps *ops = *((MetisListenerOps **) opsPtr);
+    ops->destroy(&ops);
+}
+
+MetisListenerSet *
+metisListenerSet_Create()
+{
+    MetisListenerSet *set = parcMemory_AllocateAndClear(sizeof(MetisListenerSet));
+    assertNotNull(set, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(MetisListenerSet));
+    set->listOfListeners = parcArrayList_Create(metisListenerSet_DestroyListenerOps);
+
+    return set;
+}
+
+void
+metisListenerSet_Destroy(MetisListenerSet **setPtr)
+{
+    assertNotNull(setPtr, "Parameter must be non-null double pointer");
+    assertNotNull(*setPtr, "Parameter must dereference to non-null pointer");
+
+    MetisListenerSet *set = *setPtr;
+    parcArrayList_Destroy(&set->listOfListeners);
+    parcMemory_Deallocate((void **) &set);
+    *setPtr = NULL;
+}
+
+/**
+ * @function metisListenerSet_Add
+ * @abstract Adds the listener to the set
+ * @discussion
+ *     Unique set based on pair (MetisEncapType, localAddress)
+ *
+ * @param <#param1#>
+ * @return <#return#>
+ */
+bool
+metisListenerSet_Add(MetisListenerSet *set, MetisListenerOps *ops)
+{
+    assertNotNull(set, "Parameter set must be non-null");
+    assertNotNull(ops, "Parameter ops must be non-null");
+
+    int opsEncap = ops->getEncapType(ops);
+    const CPIAddress *opsAddress = ops->getListenAddress(ops);
+
+    // make sure its not in the set
+    size_t length = parcArrayList_Size(set->listOfListeners);
+    for (size_t i = 0; i < length; i++) {
+        MetisListenerOps *entry = parcArrayList_Get(set->listOfListeners, i);
+
+        int entryEncap = entry->getEncapType(entry);
+        const CPIAddress *entryAddress = entry->getListenAddress(entry);
+
+        if (opsEncap == entryEncap && cpiAddress_Equals(opsAddress, entryAddress)) {
+            // duplicate
+            return false;
+        }
+    }
+
+    parcArrayList_Add(set->listOfListeners, ops);
+    return true;
+}
+
+size_t
+metisListenerSet_Length(const MetisListenerSet *set)
+{
+    assertNotNull(set, "Parameter set must be non-null");
+    return parcArrayList_Size(set->listOfListeners);
+}
+
+/**
+ * Returns the listener at the given index
+ *
+ * <#Paragraphs Of Explanation#>
+ *
+ * @param [in] set An allocated listener set
+ * @param [in] index The index position (0 <= index < metisListenerSet_Count)
+ *
+ * @retval non-null The listener at index
+ * @retval null An error
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+MetisListenerOps *
+metisListenerSet_Get(const MetisListenerSet *set, size_t index)
+{
+    assertNotNull(set, "Parameter set must be non-null");
+    return parcArrayList_Get(set->listOfListeners, index);
+}
+
+MetisListenerOps *
+metisListenerSet_Find(const MetisListenerSet *set, MetisEncapType encapType, const CPIAddress *localAddress)
+{
+    assertNotNull(set, "Parameter set must be non-null");
+    assertNotNull(localAddress, "Parameter localAddress must be non-null");
+
+    MetisListenerOps *match = NULL;
+
+    for (size_t i = 0; i < parcArrayList_Size(set->listOfListeners) && !match; i++) {
+        MetisListenerOps *ops = parcArrayList_Get(set->listOfListeners, i);
+        assertNotNull(ops, "Got null listener ops at index %zu", i);
+
+        if (ops->getEncapType(ops) == encapType) {
+            if (cpiAddress_Equals(localAddress, ops->getListenAddress(ops))) {
+                match = ops;
+            }
+        }
+    }
+
+    return match;
+}