#ifndef SLS_RECEIVER_USERS_H
#define SLS_RECEIVER_USERS_H

#include <stdio.h>
#include <stdint.h>


class slsReceiver;

  /** 
@short Class for implementing the SLS data receiver in the users application. Callbacks can be defined for processing and/or saving data
  */
/** 


 @libdoc slsReceiverUsers is a class that can be instantiated in the users software to receive the data from the detectors. Callbacks can be defined for processing and/or saving data


 ***********************************************/

class slsReceiverUsers {

public:
	/**
	 * Constructor
	 * reads config file, creates socket, assigns function table
	 * @param argc from command line
	 * @param argv from command line
	 * @param succecc socket creation was successfull
	 */
	slsReceiverUsers(int argc, char *argv[], int &success);


	/** Destructor */
	~slsReceiverUsers();

	/** Close File and exits receiver server */
	void closeFile(int p);

	/**
	 * starts listening on the TCP port for client comminication
	 \return 0 for success or 1 for FAIL in creating TCP server
	 */
	int start();

	/** stops listening to the TCP & UDP port and exit receiver program*/
	void stop();

	/**
	 get get Receiver Version
	 \returns id
	 */
	int64_t getReceiverVersion();

	/**

	@sort register calbback for starting the acquisition 
	 \param func  callback to be called when starting the acquisition. Its arguments are  filepath, filename, fileindex, datasize
	  \returns	   0 callback takes care of open,close,write file; 	   1 callback writes file, we have to open, close it; 2 we open, close, write file, callback does not do anything
	*/
	void registerCallBackStartAcquisition(int (*func)(char* filepath, char* filename, uint64_t fileindex, uint32_t datasize, void*),void *arg);


	/**	
	   @sort register callback for end of acquisition 
	  \param func end of acquisition callback. Argument nf is total frames caught
	  \returns nothing
	*/
	void registerCallBackAcquisitionFinished(void (*func)(uint64_t nf, void*),void *arg);
	


	/**
	   @sort register callback to be called when data are available (to process and/or save the data).
	   \param func raw data ready callback. arguments are index, frame number, timestamp/ bunch id, exposure length/ sub frame number, datapointer, datasize in bytes, file descriptor
	  \returns nothing
	*/
	void registerCallBackRawDataReady(void (*func)(int index, uint64_t framenumber, uint64_t timestamp, uint64_t explength, char* datapointer, uint32_t datasize, FILE* filedescriptor, void*),void *arg);
	
	//receiver object
	slsReceiver* receiver;
};


#endif