#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <string.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include "nbrcosttable.h"
#include "../common/constants.h"
#include "../topology/topology.h"

//This function creates a neighbor cost table dynamically 
//and initialize the table with all its neighbors' node IDs and direct link costs.
//The neighbors' node IDs and direct link costs are retrieved from topology.dat file. 
nbr_cost_entry_t* nbrcosttable_create()
{
  return 0;
}

//This function destroys a neighbor cost table. 
//It frees all the dynamically allocated memory for the neighbor cost table.
void nbrcosttable_destroy(nbr_cost_entry_t* nct)
{
  return;
}

//This function is used to get the direct link cost from neighbor.
//The direct link cost is returned if the neighbor is found in the table.
//INFINITE_COST is returned if the node is not found in the table.
unsigned int nbrcosttable_getcost(nbr_cost_entry_t* nct, int nodeID)
{
  return 0;
}

//This function prints out the contents of a neighbor cost table.
void nbrcosttable_print(nbr_cost_entry_t* nct)
{
  return;
}