verdnatura-chat/ios/Pods/Flipper-RSocket/rsocket/internal/ConnectionSet.h

61 lines
1.7 KiB
C++

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