gem5  v20.1.0.0
multi_bloom_filter.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2019 Inria
3  * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met: redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer;
10  * redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution;
13  * neither the name of the copyright holders nor the names of its
14  * contributors may be used to endorse or promote products derived from
15  * this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__
31 #define __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__
32 
33 #include <vector>
34 
35 #include "base/filters/base.hh"
36 
37 struct BloomFilterMultiParams;
38 
39 namespace BloomFilter {
40 
46 class Multi : public Base
47 {
48  public:
49  Multi(const BloomFilterMultiParams* p);
50  ~Multi();
51 
52  void clear() override;
53  void set(Addr addr) override;
54  void unset(Addr addr) override;
55 
56  void merge(const Base* other) override;
57  bool isSet(Addr addr) const override;
58  int getCount(Addr addr) const override;
59  int getTotalCount() const override;
60 
61  private:
64 };
65 
66 } // namespace BloomFilter
67 
68 #endif // __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__
BloomFilter::Multi::clear
void clear() override
Clear the filter by resetting all values.
Definition: multi_bloom_filter.cc:47
BloomFilter::Multi::unset
void unset(Addr addr) override
Perform the filter specific function to clear the corresponding entries (can be multiple) of an addre...
Definition: multi_bloom_filter.cc:73
BloomFilter::Multi::Multi
Multi(const BloomFilterMultiParams *p)
Definition: multi_bloom_filter.cc:37
std::vector
STL vector class.
Definition: stl.hh:37
base.hh
BloomFilter::Multi::set
void set(Addr addr) override
Perform the filter specific function to set the corresponding entries (can be multiple) of an address...
Definition: multi_bloom_filter.cc:65
BloomFilter::Multi::isSet
bool isSet(Addr addr) const override
Check if the corresponding filter entries of an address should be considered as set.
Definition: multi_bloom_filter.cc:81
BloomFilter::Multi::filters
std::vector< Base * > filters
Sub-filters used by this filter.
Definition: multi_bloom_filter.hh:63
BloomFilter::Base
Definition: base.hh:43
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
BloomFilter::Multi::~Multi
~Multi()
Definition: multi_bloom_filter.cc:42
BloomFilter::Multi::getTotalCount
int getTotalCount() const override
Get the total value stored in the filter entries.
Definition: multi_bloom_filter.cc:103
BloomFilter::Multi::merge
void merge(const Base *other) override
Merges the contents of both filters into this' (Bloom Filter union).
Definition: multi_bloom_filter.cc:55
BloomFilter
Definition: base.hh:41
addr
ip6_addr_t addr
Definition: inet.hh:423
BloomFilter::Multi
This BloomFilter has multiple sub-filters, each with its own hashing functionality.
Definition: multi_bloom_filter.hh:46
MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:323
BloomFilter::Multi::getCount
int getCount(Addr addr) const override
Get the value stored in the corresponding filter entry of an address.
Definition: multi_bloom_filter.cc:93

Generated on Wed Sep 30 2020 14:02:07 for gem5 by doxygen 1.8.17