miniupnp/miniupnpd/upnputils.h

75 lines
1.7 KiB
C

/* $Id: upnputils.h,v 1.9 2018/03/13 10:25:20 nanard Exp $ */
/* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
* (c) 2011-2018 Thomas Bernard
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
#ifndef UPNPUTILS_H_INCLUDED
#define UPNPUTILS_H_INCLUDED
/**
* convert a struct sockaddr to a human readable string.
* [ipv6]:port or ipv4:port
* return the number of characters used (as snprintf)
*/
int
sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size);
/**
* set the file description as non blocking
* return 0 in case of failure, 1 in case of success
*/
int
set_non_blocking(int fd);
/**
* get the LAN which the peer belongs to
*/
struct lan_addr_s *
get_lan_for_peer(const struct sockaddr * peer);
/**
* get the time for upnp (release expiration, etc.)
* Similar to a monotonic time(NULL)
*/
time_t upnp_time(void);
/**
* return either the machine or the daemon uptime
*/
time_t upnp_get_uptime(void);
/**
* get the time for upnp
* Similar to a monotonic gettimeofday(tv, NULL)
*/
int upnp_gettimeofday(struct timeval * tv);
/**
* define portability macros
*/
#if defined(__sun)
static __inline size_t _sa_len(const struct sockaddr *addr)
{
if (addr->sa_family == AF_INET)
return (sizeof(struct sockaddr_in));
else if (addr->sa_family == AF_INET6)
return (sizeof(struct sockaddr_in6));
else
return (sizeof(struct sockaddr));
}
# define SA_LEN(sa) (_sa_len(sa))
#else
#if !defined(SA_LEN)
# define SA_LEN(sa) ((sa)->sa_len)
#endif
#endif
#ifndef MAX
# define MAX(a,b) (((a)>(b))?(a):(b))
#endif
#endif