#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <netdb.h>
#include <sys/socket.h>

#include <logger.h>
#include <helper.h>

int
helper_connect_server(char* host, char* port)
{
  int s, status;
  struct addrinfo hints, *res;
  memset(&hints, 0, sizeof hints);
  hints.ai_family = AF_INET; //set IP Protocol flag (IPv4 or IPv6 - we don't care)
  hints.ai_socktype = SOCK_STREAM; //set socket flag

  if ((status = getaddrinfo(host, port, &hints, &res)) != 0) { //getaddrinfo() will evaluate the given address, using the hints-flags and port, and return an IP address and other server infos
      fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
      exit(EXIT_FAILURE);
  }

  //res got filled out by getaddrinfo() for us
  s = socket(res->ai_family, res->ai_socktype, res->ai_protocol); //creating Socket

  if ((status = connect(s, res->ai_addr, res->ai_addrlen)) != 0) {
      fprintf(stderr, "Keine Verbindung mit dem Netzwerk möglich.\n");
      freeaddrinfo(res);
      exit(EXIT_FAILURE);
  }

  freeaddrinfo(res);

  return s;
}