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genericasioscheduler.h
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106 lines (84 loc) · 3.22 KB
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/*******************************************************************************
* CLI - A simple command line interface.
* Copyright (C) 2016-2021 Daniele Pallastrelli
*
* Boost Software License - Version 1.0 - August 17th, 2003
*
* Permission is hereby granted, free of charge, to any person or organization
* obtaining a copy of the software and accompanying documentation covered by
* this license (the "Software") to use, reproduce, display, distribute,
* execute, and transmit the Software, and to prepare derivative works of the
* Software, and to permit third-parties to whom the Software is furnished to
* do so, all subject to the following:
*
* The copyright notices in the Software and this entire statement, including
* the above license grant, this restriction and the following disclaimer,
* must be included in all copies of the Software, in whole or in part, and
* all derivative works of the Software, unless such copies or derivative
* works are solely in the form of machine-executable object code generated by
* a source language processor.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************/
#ifndef CLI_DETAIL_GENERICASIOSCHEDULER_H_
#define CLI_DETAIL_GENERICASIOSCHEDULER_H_
#include "../scheduler.h"
#include <memory> // unique_ptr
namespace cli
{
namespace detail
{
template <typename ASIOLIB>
class GenericAsioScheduler : public Scheduler
{
public:
using ContextType = typename ASIOLIB::ContextType;
using WorkGuard = typename ASIOLIB::WorkGuard;
GenericAsioScheduler() :
owned{true},
context{new ContextType()},
executor{*context},
work{std::make_unique<WorkGuard>(ASIOLIB::MakeWorkGuard(*context))}
{}
explicit GenericAsioScheduler(ContextType& _context) : context{&_context}, executor{*context} {}
~GenericAsioScheduler() override { if (owned) delete context; }
// non copyable
GenericAsioScheduler(const GenericAsioScheduler&) = delete;
GenericAsioScheduler& operator=(const GenericAsioScheduler&) = delete;
void Stop()
{
if (work)
work->reset();
context->stop();
}
void Run()
{
context->run();
}
bool Stopped() const
{
return context->stopped();
}
void ExecOne() { context->run_one(); }
void PollOne() { context->poll_one(); }
void Post(const std::function<void()>& f) override
{
executor.Post(f);
}
ContextType& AsioContext() { return *context; }
private:
using ExecutorType = typename ASIOLIB::Executor;
bool owned = false;
ContextType* context;
ExecutorType executor;
std::unique_ptr<WorkGuard> work;
};
} // namespace detail
} // namespace cli
#endif // CLI_DETAIL_GENERICASIOSCHEDULER_H_