#ifndef host_h
#define host_h

/* used by inet_addr, not defined on solaris anywhere!? */
#ifndef INADDR_NONE
#define INADDR_NONE ((unsigned long) -1)
#include <strings.h>
#endif

#include <vector>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <ostream>

struct host {
  host(unsigned int a, unsigned int p) { addr = a; port = p; }
  host(char *hname, char *pname);
  host() { addr = 0; port = 0; }
  sockaddr_in sin() {
    sockaddr_in s;
    bzero(&s, sizeof(s));
    s.sin_family = AF_INET;
    s.sin_addr.s_addr = addr;
    s.sin_port = port;
    return s;
  };
  unsigned int addr;
  unsigned int port;
};

inline bool operator==(const host &a, const host &b) {
  return (a.addr == b.addr) && (a.port == b.port);
}

inline bool operator!=(const host &a, const host &b) {
  return (a.addr != b.addr) || (a.port != b.port);
}

inline bool operator>(const host &a, const host &b) {
  return (ntohl(a.addr) > ntohl(b.addr)) ||
         (a.addr == b.addr && ntohs(a.port) > ntohs(b.port));
}

inline bool operator<(const host &a, const host &b) {
  return (ntohl(a.addr) < ntohl(b.addr)) ||
         (a.addr == b.addr && ntohs(a.port) < ntohs(b.port));
}

std::ostream & operator<<(std::ostream &os, const host h);
std::ostream & operator<<(std::ostream &os, const std::vector<host> v);
bool same_hosts(std::vector<host> a, std::vector<host> b);
bool in_hosts(host h, std::vector<host> v);
std::vector<host> host_union(std::vector<host> a, std::vector<host> b);

#endif