#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <arpa/inet.h>
#include "host.h"
#include "rpc.h"

host::host(char *hname, char *pname)
{
  struct sockaddr_in sock;
  make_sockaddr(hname, pname, &sock);
  addr = sock.sin_addr.s_addr;
  port = sock.sin_port;
}

std::ostream &
operator<<(std::ostream &os, const host h)
{
  struct in_addr in;
  in.s_addr = h.addr;
  os << inet_ntoa(in) << ":" << ntohs(h.port);
  return os;
}

std::ostream &
operator<<(std::ostream &os, const std::vector<host> v)
{
  for(int i = 0; i < (int)v.size(); i++)
    os << v[i] << " ";
  return os;
}

bool
same_hosts(std::vector<host> a, std::vector<host> b)
{
  if(a.size() != b.size())
    return false;
  for(int i = 0; i < (int)a.size(); i++){
    int j;
    for(j = 0; j < (int)b.size(); j++)
      if(a[i] == b[j])
        break;
    if(j >= (int)b.size())
      return false;
  }
  return true;
}

bool
in_hosts(host h, std::vector<host> v)
{
  for(int i = 0; i < (int) v.size(); i++)
    if(v[i] == h)
      return true;
  return false;
}

std::vector<host>
host_union(std::vector<host> a, std::vector<host> b)
{
  std::vector<host> c;
  for(unsigned i = 0; i < a.size(); i++)
    if(!in_hosts(a[i], c))
      c.push_back(a[i]);
  for(unsigned i = 0; i < b.size(); i++)
    if(!in_hosts(b[i], c))
      c.push_back(b[i]);
  return c;
}