[HICN-141] Definition of a C API for hicn-light

Change-Id: Id861f0abe58b1e3c9ba8cc76701da0f9c6801748
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Signed-off-by: Angelo Mantellini <manangel@cisco.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/hicn-light/src/hicn/processor/hashTableFunction.c b/hicn-light/src/hicn/processor/hashTableFunction.c
new file mode 100644
index 000000000..2272f0ede
--- /dev/null
+++ b/hicn-light/src/hicn/processor/hashTableFunction.c
@@ -0,0 +1,47 @@
+/*
+ * 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/hicn/config.h>
+#include <stdio.h>
+
+#include <parc/algol/parc_Hash.h>
+#include <parc/algol/parc_Memory.h>
+
+#include <hicn/core/message.h>
+#include <hicn/processor/hashTableFunction.h>
+
+#include <parc/assert/parc_Assert.h>
+
+// ======================================================================
+// Hash table key functions
+// We use a Message as the key data type
+
+bool hashTableFunction_MessageNameEquals(const void *messageA,
+                                         const void *messageB) {
+  const Message *a = (const Message *)messageA;
+  const Message *b = (const Message *)messageB;
+
+  return name_Equals(message_GetName(a), message_GetName(b));
+}
+
+HashCodeType hashTableFunction_MessageNameHashCode(const void *messageA) {
+  const Message *message = (const Message *)messageA;
+  Name *name = message_GetName(message);
+
+  // we want the cumulative hash for the whole name
+  uint32_t hash = name_HashCode(name);
+
+  return hash;
+}
\ No newline at end of file