| /* |
| * Copyright (c) 2019 Inria |
| * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__ |
| #define __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__ |
| |
| #include <vector> |
| |
| #include "base/filters/base.hh" |
| |
| struct BloomFilterMultiParams; |
| |
| GEM5_DEPRECATED_NAMESPACE(BloomFilter, bloom_filter); |
| namespace bloom_filter |
| { |
| |
| /** |
| * This BloomFilter has multiple sub-filters, each with its own hashing |
| * functionality. The results of the operations are the results of applying |
| * them to each sub-filter. |
| */ |
| class Multi : public Base |
| { |
| public: |
| Multi(const BloomFilterMultiParams &p); |
| ~Multi(); |
| |
| void clear() override; |
| void set(Addr addr) override; |
| void unset(Addr addr) override; |
| |
| void merge(const Base* other) override; |
| bool isSet(Addr addr) const override; |
| int getCount(Addr addr) const override; |
| int getTotalCount() const override; |
| |
| private: |
| /** Sub-filters used by this filter. */ |
| std::vector<Base*> filters; |
| }; |
| |
| } // namespace bloom_filter |
| |
| #endif // __BASE_FILTERS_MULTI_BLOOM_FILTER_HH__ |