/*
 * Test.cpp
 *      Author: rryan
 */

#include <cstring>
#include <iostream>
#include <stdio.h>
#include <sys/mman.h>
#include <fstream>
#include <assert.h>
// Uthbook items
#include "Uthbook.h"

using namespace std;

int main(int narg, char *argv[]) {

// create shared memory
	uthCreateSharedMem();

	// create 1D float histogram and data
	const char* title2 = "mkFakeData 1D Float Histogram";
	int nBin2 = 100;
	float xMin2 = -6.0;
	float xMax2 = 12.0;

// book 1D float histogram into shared memory
	uthBook1Shared(title2, nBin2, xMin2, xMax2);

    float data;			// file contains an undermined number of integer values
    ifstream fin;		// declare stream variable name

    fin.open("test_data.dat");		// open file
    fin >> data;			// get first number from the file (priming the input statement)
							// You must attempt to read info prior to an eof( ) test.
    while (!fin.eof( )) {	//if not at end of file, continue reading numbers

    	uthFillShared(0, data, 0, 1);
 //   	cout<<data<<endl;	//print numbers to screen
    	fin >> data;		//get next number from file
    }
    fin.close( );       //close file

	uthPrintShared(0);

//	// create 1D float histogram and data
//	const char* title3 = "RFake 1D Float Histogram";
//	int nBin3 = 10;
//	float xMin3 = -6.0;
//	float xMax3 = 12.0;
//
//// book 1D float histogram into shared memory
//	uthBook1Shared(title3, nBin3, xMin3, xMax3);
//	uthFillShared(1, -6.0, 0, 1);
//	uthFillShared(1, -5.0, 0, 1);
//	uthFillShared(1, -4.0, 0, 1);
//	uthFillShared(1, -3.0, 0, 1);
//	uthFillShared(1, -2.0, 0, 1);
//	uthFillShared(1, -1.0, 0, 1);
//	uthFillShared(1, 0.0, 0, 1);
//	uthFillShared(1, 1.0, 0, 1);
//	uthFillShared(1, 2.0, 0, 1);
//	uthFillShared(1, 3.0, 0, 1);
//	uthFillShared(1, 4.0, 0, 1);
//	uthFillShared(1, 5.0, 0, 1);
//	uthFillShared(1, 6.0, 0, 1);
//	uthFillShared(1, 7.0, 0, 1);
//	uthFillShared(1, 8.0, 0, 1);
//	uthFillShared(1, 9.0, 0, 1);
//	uthFillShared(1, 10.0, 0, 1);
//	uthFillShared(1, 11.0, 0, 1);
//	uthFillShared(1, 12.0, 0, 1);
//	uthPrintShared(1);
	// waits until done
	cout << "enter letter to quit..." << endl;
	string dumb;
	cin >> dumb;

	/*
	 * int shm_unlink(const char *name)
	 * removes a shared memory object specified by name. If some
	 * process is still using the shared memory segment associated
	 * to name, the segment is not removed until all references
	 * to it have been closed. Commonly, shm_unlink is called
	 * right after a successful shm_create, in order to assure
	 * the memory object will be freed as soon as it's no longer
	 * used.
	 */
	// requesting the removal of the shm object	--	shm_unlink()
	if (shm_unlink(shmPath) != 0) {
		perror("In shm_unlink()");
	}
}