A Discrete-Event Network Simulator
API
hash-function.cc
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1 /*
2  * Copyright (c) 2012 Lawrence Livermore National Laboratory
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation;
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  *
17  * Author: Peter D. Barnes, Jr. <pdbarnes@llnl.gov>
18  */
19 
20 #include "hash-function.h"
21 
22 #include "log.h"
23 
30 namespace ns3
31 {
32 
33 NS_LOG_COMPONENT_DEFINE("HashFunction");
34 
35 namespace Hash
36 {
37 
38 uint64_t
39 Implementation::GetHash64(const char* buffer, const std::size_t size)
40 {
41  NS_LOG_WARN("64-bit hash requested, only 32-bit implementation available");
42  return GetHash32(buffer, size);
43 }
44 
45 } // namespace Hash
46 
47 } // namespace ns3
ns3::Hash::Implementation::GetHash64
virtual uint64_t GetHash64(const char *buffer, const std::size_t size)
Compute 64-bit hash of a byte buffer.
Definition: hash-function.cc:39
ns3::Hash::Implementation::GetHash32
virtual uint32_t GetHash32(const char *buffer, const std::size_t size)=0
Compute 32-bit hash of a byte buffer.
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
NS_LOG_WARN
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
Definition: log.h:261
hash-function.h
ns3::Hash::Implementation, ns3::Hash::Function::Hash32 and ns3::Hash::Function::Hash64 declarations.
log.h
Debug message logging.
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.