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/*
 * Copyright (C) 2003-2011 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/*
 * This library provides easy helper functions for working with
 * sockets.
 *
 */

#ifndef SOCKET_UTIL_H
#define SOCKET_UTIL_H

#include <glib.h>

struct sockaddr;

/**
 * Converts the specified socket address into a string in the form
 * "IP:PORT".  The return value must be freed with g_free() when you
 * don't need it anymore.
 *
 * @param sa the sockaddr struct
 * @param length the length of #sa in bytes
 * @param error location to store the error occurring, or NULL to
 * ignore errors
 */
char *
sockaddr_to_string(const struct sockaddr *sa, size_t length, GError **error);

/**
 * Creates a socket listening on the specified address.  This is a
 * shortcut for socket(), bind() and listen().
 *
 * @param domain the socket domain, e.g. PF_INET6
 * @param type the socket type, e.g. SOCK_STREAM
 * @param protocol the protocol, usually 0 to let the kernel choose
 * @param address the address to listen on
 * @param address_length the size of #address
 * @param backlog the backlog parameter for the listen() system call
 * @param error location to store the error occurring, or NULL to
 * ignore errors
 * @return the socket file descriptor or -1 on error
 */
int
socket_bind_listen(int domain, int type, int protocol,
		   const struct sockaddr *address, size_t address_length,
		   int backlog,
		   GError **error);

int
socket_keepalive(int fd);

#endif