dbLib.h

/*
 * =========================================================================================
 * Name        : dbLib.h
 * Author      : Duc Dung Nguyen
 * Email       : nddung@hcmut.edu.vn
 * Copyright   : Faculty of Computer Science and Engineering - Bach Khoa University
 * Description : library for Assignment 2 - Data structures and Algorithms - Fall 2017
 *               This library contains functions used for database management
 * =========================================================================================
 */

#ifndef DSA171A2_DBLIB_H
#define DSA171A2_DBLIB_H

#include <string>
#include <string.h>
#include <time.h>
#include <iostream>
#include <iomanip>
#include <functional>

#include "dsaLib.h"
#include "requestLib.h"

#ifdef _MSC_VER
#define _CRT_SECURE_NO_WARNINGS
#endif

#define ID_MAX_LENGTH   16

#ifndef VM_RECORD
#define VM_RECORD
struct VM_Record 
{
	//char    id[ID_MAX_LENGTH];
	std::string id;
	time_t  timestamp;
	double  longitude, latitude;

	// default constructor
	VM_Record() {
		// id[0] = 0;
		id = "";
	}
	VM_Record(const char* busID) {
		//strcpy(id, busID);
		id = busID;
	}
	// copy constructor
	VM_Record(VM_Record& bus) : timestamp(bus.timestamp), longitude(bus.longitude), latitude(bus.latitude) {
		//strcpy(id, bus.id);
		id = bus.id;
	}
};
#endif // !VM_RECORD

void    printVMRecord(VM_Record &);
void    strPrintTime(char* des, time_t& t);
bool    parseVMRecord(char*, VM_Record &);
void    loadVMDB(char*, L1List<VM_Record> &);
double  distanceEarth(double lon1d, double lat1d, double lon2d, double lat2d);

bool processRequest(VM_Request &, L1List<VM_Record> &, void *);// from processData.cpp

/// NOTE: student may create this function to allocate some global data
bool initVMGlobalData(void** pGData);
/// NOTE: student must defined this function if they use dynamically allocated global data.
/// If student do not use any dynamic global data, please define this function as empty function
/// in your code (file processData.cpp) as follows
/// void releaseBusGlobalData() {}
void releaseVMGlobalData(void* pGData);

void process(L1List<VM_Request>& requestList, L1List<VM_Record>& recordList);

#endif //DSA171A2_DBLIB_H