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ad824b4de1
Delete special member functions where they are not used. (as part of applying suggestions from cppcoreguidelines-special-member-functions) These classes don't need to be copyable/movable: # copy/move not used: zmq:: TransportFactory, Socket, Message, UnmanagedRegion, Poller, Context shm:: TransportFactory, Socket, Message, UnmanagedRegion, Poller ofi:: TransportFactory, Socket, Message, Context shm:: ZMsg, Region, Monitor, TerminalConfig, Manager plugins:: Config, Control, TerminalConfig fairmq::StateQueue, StateMachine, ProgOptions, PluginServices, PluginManager, Plugin, Device, StateSubscription TestData, BadDevice, TestDevice (test suite heplers) # used via ptr interface: fairmq::UnmanagedRegion, TransportFactory, Socket, Poller, Message These classes need to be movable/copyable: MyClass (test suite helper), fairmq::Channel, fairmq::Parts
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#ifndef FAIRMQSTATEMACHINE_H_
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#define FAIRMQSTATEMACHINE_H_
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#include <fairmq/States.h>
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#include <string>
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#include <memory>
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#include <functional>
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#include <stdexcept>
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namespace fair::mq
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{
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class StateMachine
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{
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public:
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StateMachine();
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StateMachine(const StateMachine&) = delete;
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StateMachine(StateMachine&&) = delete;
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StateMachine& operator=(const StateMachine&) = delete;
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StateMachine& operator=(StateMachine&&) = delete;
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~StateMachine();
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bool ChangeState(Transition transition);
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bool ChangeState(const std::string& transition) { return ChangeState(GetTransition(transition)); }
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void SubscribeToStateChange(const std::string& key, std::function<void(const State)> callback);
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void UnsubscribeFromStateChange(const std::string& key);
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void HandleStates(std::function<void(const State)> callback);
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void StopHandlingStates();
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void SubscribeToNewTransition(const std::string& key, std::function<void(const Transition)> callback);
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void UnsubscribeFromNewTransition(const std::string& key);
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bool NewStatePending() const;
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void WaitForPendingState() const;
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bool WaitForPendingStateFor(int durationInMs) const;
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State GetCurrentState() const;
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std::string GetCurrentStateName() const;
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void Start();
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void ProcessWork();
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struct ErrorStateException : std::runtime_error { using std::runtime_error::runtime_error; };
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private:
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std::shared_ptr<void> fFsm;
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};
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} // namespace fair::mq
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#endif /* FAIRMQSTATEMACHINE_H_ */
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