67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/* Copyright (c) 2020, 2024, Oracle and/or its affiliates.
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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 2.0,
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as published by the Free Software Foundation.
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This program is designed to work with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have either included with
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the program or referenced in the documentation.
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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, version 2.0, for more details.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <mysql/components/my_service.h>
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#include <mysql/components/services/registry.h>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include "cache_allocator.h"
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#include "reference_cache_common.h"
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namespace reference_caching {
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class channel_imp;
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class cache_imp : public Cache_malloced {
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public: /* top level APIs */
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static cache_imp *create(channel_imp *channel,
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SERVICE_TYPE(registry) * registry);
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static bool destroy(cache_imp *cache);
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bool get(unsigned service_name_index, const my_h_service **ref);
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bool flush();
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~cache_imp();
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protected:
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explicit cache_imp(channel_imp *channel, SERVICE_TYPE(registry) * registry);
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private:
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// disable copy constructors
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cache_imp(const cache_imp &);
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cache_imp &operator=(const cache_imp &);
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channel_imp *m_channel;
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/*
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This is a opaque pointer handle used to store the acquired service
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implementation handles.
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*/
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my_h_service **m_cache;
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SERVICE_TYPE(registry) * m_registry;
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service_names_set<> m_service_names;
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service_names_set<std::string, std::less<std::string>> m_ignore_list;
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unsigned int m_cache_version;
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bool m_populated;
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};
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} // namespace reference_caching
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