/**************************************************************
  File:          pool_tasks.cc
  Description:   A program that implements a pool of tasks
                 model for encrypting a text.
                                                         
  Author:        Dana Vrajitoru                          
  Organization:  IUSB, Computer and Information Sciences
  Date:          October 2020
***************************************************************/

#include <cstdlib>
#include <cstring>
#include <mpi.h>
#include <fstream>
#include <iostream>
using namespace std;
#include "pool_tasks.h"

// Master process. Inputs the text, and sends it to other processes,
// receives the results, and outputs them.
void Master(int nr_proc)
{
    ofstream fout("output.txt");
    MPI_Status status;
    int n, tag = 0, source;
    MPI_Recv(&n, 1, MPI_INT, MPI_ANY_SOURCE, tag, MPI_COMM_WORLD, &status);
    source = status.MPI_SOURCE;
    cout << "Received the value " << n << " from process " << source << endl;
}

// Worker process. Receives a word from the master process, encrypts
// it, then sends it back to the master.
void Worker(int my_id, int nr_proc)
{
    int n = 4, tag = 0, dest = 0;
    if (my_id == 2)
        MPI_Send(&n, 1, MPI_INT, dest, tag, MPI_COMM_WORLD);
}