/************************************************
 * @file DataProcessor.h
 * @short creates data processor thread that
 * pulls pointers to memory addresses from fifos
 * and processes data stored in them & writes them to file
 ***********************************************/
#ifndef DATAPROCESSOR_H
#define DATAPROCESSOR_H
/**
 *@short creates & manages a data processor thread each
 */

#include "ThreadObject.h"

class Fifo;

class DataProcessor : private virtual slsReceiverDefs, public ThreadObject {
	
 public:
	/**
	 * Constructor
	 * Calls Base Class CreateThread(), sets ErrorMask if error and increments NumberofDataProcessors
	 * @param f address of Fifo pointer
	 */
	DataProcessor(Fifo*& f);

	/**
	 * Destructor
	 * Calls Base Class DestroyThread() and decrements NumberofDataProcessors
	 */
	~DataProcessor();


	/**
	 * Get RunningMask
	 * @return RunningMask
	 */
	static uint64_t GetErrorMask();

	/**
	 * Reset RunningMask
	 */
	static void ResetRunningMask();


	/**
	 * Set bit in RunningMask to allow thread to run
	 */
	void StartRunning();

	/**
	 * Reset bit in RunningMask to prevent thread from running
	 */
	void StopRunning();

	/**
	 * Set Fifo pointer to the one given
	 * @param f address of Fifo pointer
	 */
	void SetFifo(Fifo*& f);

 private:

	/**
	 * Get Type
	 * @return type
	 */
	std::string GetType();

	/**
	 * Returns if the thread is currently running
	 * @returns true if thread is running, else false
	 */
	bool IsRunning();

	/**
	 * Thread Exeution for DataProcessor Class
	 * Pop bound addresses, process them,
	 * write to file if needed & free the address
	 */
	void ThreadExecution();



	/** type of thread */
	static const std::string TypeName;

	/** Total Number of DataProcessor Objects */
	static int NumberofDataProcessors;

	/** Mask of errors on any object eg.thread creation */
	static uint64_t ErrorMask;

	/** Mask of all listener objects running */
	static uint64_t RunningMask;

	/** mutex to update static items among objects (threads)*/
	static pthread_mutex_t Mutex;

	/** Fifo structure */
	Fifo* fifo;
};

#endif