61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
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// Copyright (c) Facebook, Inc. and its affiliates.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <folly/Synchronized.h>
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#include <folly/synchronization/Baton.h>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include "rsocket/statemachine/RSocketStateMachine.h"
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namespace folly {
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class EventBase;
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}
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namespace rsocket {
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/// Set of RSocketStateMachine objects. Stores them until they call
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/// RSocketStateMachine::close().
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///
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/// Also tracks which EventBase is controlling each state machine so that they
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/// can be closed on the correct thread.
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class ConnectionSet : public RSocketStateMachine::CloseCallback {
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public:
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ConnectionSet();
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virtual ~ConnectionSet();
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bool insert(std::shared_ptr<RSocketStateMachine>, folly::EventBase*);
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void remove(RSocketStateMachine&) override;
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size_t size() const;
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void shutdownAndWait();
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private:
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using StateMachineMap = std::
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unordered_map<std::shared_ptr<RSocketStateMachine>, folly::EventBase*>;
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folly::Synchronized<StateMachineMap, std::mutex> machines_;
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folly::Baton<> shutdownDone_;
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size_t removes_{0};
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size_t targetRemoves_{0};
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std::atomic<bool> shutDown_{false};
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};
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} // namespace rsocket
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