Philosopher.h

//
// Created by baatochan on 3/14/18.
//

#ifndef DININGPHILOSOPHERSPROBLEM_PHILOSOPHER_H
#define DININGPHILOSOPHERSPROBLEM_PHILOSOPHER_H


#include <thread>
#include <mutex>
#include <condition_variable>

class Waiter;

class Philosopher {
private:
	unsigned int id;

	std::mutex stateMutex;
	unsigned char state; // 0 - not started yet; 1 - thinking; 2 - sleeping (waiting for forks); 3 - eating; 4 - dead

	std::mutex forksAvalibityMutex;
	bool forksAvailable;
	bool terminate;

	void setState(unsigned char state);

	Waiter* waiter;

	std::mutex philosopherMutex;
	std::condition_variable philosopherSleep;
	std::unique_lock<std::mutex> uniqueLock;

	void think(unsigned int deciseconds);

	void eat();

	void live();

public:

	Philosopher(unsigned int id, Waiter* waiter);

	std::thread spawnThread();

	unsigned char getState();

	unsigned int getId();

	void wakeUp();

	void setTerminate(bool terminate);
};


#endif //DININGPHILOSOPHERSPROBLEM_PHILOSOPHER_H