// Client side C/C++ program to demonstrate Socket programming
#include <stdio.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <string.h>
#include <arpa/inet.h>
#include <unistd.h>
#define PORT 8080

int
main (int argc, char const *argv[])
{
  struct sockaddr_in address;
  int sock = 0, valread;
  struct sockaddr_in serv_addr;
  char *hello = "Hello from client";
  char buffer[1024] = { 0 };
  if ((sock = socket (AF_INET, SOCK_STREAM, 0)) < 0)
    {
      printf ("\n Socket creation error \n");
      return -1;
    }

  memset (&serv_addr, '0', sizeof (serv_addr));

  serv_addr.sin_family = AF_INET;
  serv_addr.sin_port = htons (PORT);

  // Convert IPv4 and IPv6 addresses from text to binary form
  //if(inet_pton(AF_INET, "192.28.128.8", &serv_addr.sin_addr)<=0)
  if (inet_pton (AF_INET, "172.28.128.13", &serv_addr.sin_addr) <= 0)
    {
      printf ("\nInvalid address/ Address not supported \n");
      return -1;
    }

  if (connect (sock, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0)
    {
      printf ("\nConnection Failed \n");
      return -1;
    }
  send (sock, hello, strlen (hello), 0);
  printf ("Hello message sent\n");
  valread = read (sock, buffer, 1024);
  printf ("%s\n", buffer);
  close (sock);
  return 0;
}