--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/model/hash-murmur3.h	Tue Nov 13 16:24:59 2012 -0800
@@ -0,0 +1,87 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2012 Lawrence Livermore National Laboratory
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Peter D. Barnes, Jr. <pdbarnes@llnl.gov>
+ */
+
+#ifndef HASH_MURMUR3_H
+#define HASH_MURMUR3_H
+
+#include "ns3/hash.h"
+
+namespace ns3 {
+  
+  namespace HashImplNS {
+
+/**
+ *  \ingroup hash
+ *
+ *  \brief Murmur3 hash function implementation
+ *
+ *  Adapted from http://code.google.com/p/smhasher/
+ *
+ *  MurmurHash3 was written by Austin Appleby, and is placed in the public
+ *  domain. The author hereby disclaims copyright to this source code.
+
+ *  Note - The x86 and x64 versions do _not_ produce the same results, as the
+ *  algorithms are optimized for their respective platforms. You can still
+ *  compile and run any of them on any platform, but your performance with the
+ *  non-native version will be less than optimal.
+ */
+class Murmur3 : public HashImplementation
+{
+public:
+  /**
+   * Compute 32-bit hash of a byte buffer
+   *
+   * \param [in] buffer pointer to the beginning of the buffer
+   * \param [in] size length of the buffer, in bytes
+   * \return 32-bit hash of the buffer
+   */
+  uint32_t  GetHash32  (const char * buffer, const size_t size);
+  /**
+   * Compute 64-bit hash of a byte buffer.
+   *
+   * \param [in] buffer pointer to the beginning of the buffer
+   * \param [in] size length of the buffer, in bytes
+   * \return 64-bit hash of the buffer
+   */
+  uint64_t  GetHash64  (const char * buffer, const size_t size);
+  /**
+   * Get Hash TypeId
+   */
+  static TypeId GetTypeId (void);
+
+private:
+  /**
+   * Seed value
+   *
+   * This has to be a constant for all MPI ranks to generate
+   * the same hash from the same string.
+   */
+  enum seed
+    {
+      SEED = 0x8BADF00D  // Ate bad food
+    };
+
+};  // class Murmur3
+
+}  // namespace HashImplNS
+  
+} // namespace ns3
+
+#endif  /* HASH_MURMUR3_H */