A Discrete-Event Network Simulator
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hash-murmur3.h
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2012 Lawrence Livermore National Laboratory
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Peter D. Barnes, Jr. <pdbarnes@llnl.gov>
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*/
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#ifndef HASH_MURMUR3_H
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#define HASH_MURMUR3_H
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#include "
hash-function.h
"
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namespace
ns3 {
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namespace
Hash {
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namespace
Function {
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class
Murmur3
:
public
Implementation
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{
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public
:
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Murmur3
();
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uint32_t
GetHash32
(
const
char
* buffer,
const
size_t
size);
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uint64_t
GetHash64
(
const
char
* buffer,
const
size_t
size);
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virtual
void
clear
(
void
);
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private
:
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enum
seed
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{
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SEED
= 0x8BADF00D
// Ate bad food
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};
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uint32_t
m_hash32
;
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uint32_t
m_size32
;
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uint64_t
m_hash64
[2];
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uint64_t
m_size64
;
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};
// class Murmur3
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}
// namespace Function
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}
// namespace Hash
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}
// namespace ns3
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#endif
/* HASH_MURMUR3_H */
ns3::Hash::Function::Murmur3::m_size32
uint32_t m_size32
Cache last hash value, and total bytes hashed (needed to finalize), for incremental hashing...
Definition:
hash-murmur3.h:106
hash-function.h
ns3::Hash::Function::Murmur3::clear
virtual void clear(void)
Restore initial state.
Definition:
hash-murmur3.cc:481
ns3::Hash::Function::Murmur3::seed
seed
Seed value.
Definition:
hash-murmur3.h:96
ns3::Hash::Implementation
Hash function implementation base class.
Definition:
hash-function.h:40
ns3::Hash::Function::Murmur3
Murmur3 hash function implementation.
Definition:
hash-murmur3.h:47
ns3::Hash::Function::Murmur3::Murmur3
Murmur3()
Constructor, clears internal state.
Definition:
hash-murmur3.cc:433
ns3::Hash::Function::Murmur3::m_size64
uint64_t m_size64
Cache last hash value, and total bytes hashed (needed to finalize), for incremental hashing...
Definition:
hash-murmur3.h:109
ns3::Hash::Function::Murmur3::GetHash64
uint64_t GetHash64(const char *buffer, const size_t size)
Compute 64-bit hash of a byte buffer.
Definition:
hash-murmur3.cc:452
ns3::Hash::Function::Murmur3::SEED
Definition:
hash-murmur3.h:98
ns3::Hash::Function::Murmur3::m_hash32
uint32_t m_hash32
Cache last hash value, and total bytes hashed (needed to finalize), for incremental hashing...
Definition:
hash-murmur3.h:105
ns3::Hash::Function::Murmur3::m_hash64
uint64_t m_hash64[2]
murmur3 produces 128-bit hash and state; we use just the first 64-bits.
Definition:
hash-murmur3.h:108
ns3::Hash::Function::Murmur3::GetHash32
uint32_t GetHash32(const char *buffer, const size_t size)
Compute 32-bit hash of a byte buffer.
Definition:
hash-murmur3.cc:439
src
core
model
hash-murmur3.h
Generated on Sat Apr 19 2014 14:06:51 for ns-3 by
1.8.6