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/*
* Copyright (c) 2017, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_TIMER_TIMER_DIRECTOR_H_
#define SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_TIMER_TIMER_DIRECTOR_H_
#include <map>
#include "utils/threads/thread.h"
#include "utils/conditional_variable.h"
#include "functional_module/timer/module_timer.h"
namespace functional_modules {
template <class T>
class TimerThreadDelegate : public threads::ThreadDelegate {
public:
explicit TimerThreadDelegate(ModuleTimer<T>& timer);
void threadMain();
void exitThreadMain();
/**
* @brief Reset awaiting timer by notifying cond var
*/
void ResetTimer();
private:
ModuleTimer<T>& timer_;
volatile bool keep_running_;
mutable sync_primitives::Lock keep_running_lock_;
mutable sync_primitives::ConditionalVariable keep_running_cond_;
friend class TimerThreadDelegateTest;
};
class TimerDirector {
public:
TimerDirector();
~TimerDirector();
/**
* @brief Register timer for execution in separate thread.
Registers only one timer of a type. Attempt to register timer
of already existing type will fail.
*/
template <class T>
void RegisterTimer(ModuleTimer<T>& timer);
template <class T>
void UnregisterTimer(const ModuleTimer<T>& timer);
void UnregisterAllTimers();
/**
* @brief Reset awaiting timeout for specified module timer
* @param timer timer to reset awaiting timeout
*/
template <class T>
void ResetTimer(ModuleTimer<T>& timer);
private:
DISALLOW_COPY_AND_ASSIGN(TimerDirector);
std::map<std::string, threads::Thread*> timer_threads_;
};
} // namespace functional_modules
#endif // SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_TIMER_TIMER_DIRECTOR_H_
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