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/*
* usock - socket helper functions
*
* Copyright (C) 2010 Steven Barth <steven@midlink.org>
* Copyright (C) 2011-2012 Felix Fietkau <nbd@openwrt.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef USOCK_H_
#define USOCK_H_
#define USOCK_TCP 0
#define USOCK_UDP 1
#define USOCK_SERVER 0x0100
#define USOCK_NOCLOEXEC 0x0200
#define USOCK_NONBLOCK 0x0400
#define USOCK_NUMERIC 0x0800
#define USOCK_IPV6ONLY 0x2000
#define USOCK_IPV4ONLY 0x4000
#define USOCK_UNIX 0x8000
const char *usock_port(int port);
int usock(int type, const char *host, const char *service);
int usock_inet_timeout(int type, const char *host, const char *service,
void *addr, int timeout);
static inline int
usock_inet(int type, const char *host, const char *service, void *addr)
{
return usock_inet_timeout(type, host, service, addr, -1);
}
/**
* Wait for a socket to become ready.
*
* This may be useful for users of USOCK_NONBLOCK to wait (with a timeout)
* for a socket.
*
* @param fd file descriptor of socket
* @param msecs timeout in microseconds
*/
int usock_wait_ready(int fd, int msecs);
#endif /* USOCK_H_ */