d8b0c661e4
Allow other submodules to subscribe for added/deleted notifications. This will be used in a later to patch to prioritize unlinked sstables for backup. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
42 lines
897 B
C++
42 lines
897 B
C++
/*
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* Copyright (C) 2025-present ScyllaDB
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*
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include <optional>
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#include <boost/signals2/dummy_mutex.hpp>
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#include <boost/signals2/signal_type.hpp>
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#include "sstables/generation_type.hh"
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namespace bs2 = boost::signals2;
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namespace sstables {
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class sstables_manager;
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class sstables_manager_event_handler {
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std::optional<boost::signals2::scoped_connection> _connection;
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public:
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void subscribe(boost::signals2::scoped_connection&& c) {
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assert(!_connection);
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_connection.emplace(std::move(c));
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}
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void unsubscribe() {
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_connection.reset();
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}
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// Note: other notifications like "added_sstables" may be needed in the future
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virtual future<> deleted_sstable(sstables::generation_type) const { return make_ready_future(); }
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};
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} // namespace sstables
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