/*
 +----------------------------------------------------------------------+
 | PHP Version 7                                                        |
 +----------------------------------------------------------------------+
 | Copyright (c) 1997-2018 The PHP Group                                |
 +----------------------------------------------------------------------+
 | This source file is subject to version 3.01 of the PHP license,      |
 | that is bundled with this package in the file LICENSE, and is        |
 | available through the world-wide-web at the following url:           |
 | http://www.php.net/license/3_01.txt                                  |
 | If you did not receive a copy of the PHP license and are unable to   |
 | obtain it through the world-wide-web, please send a note to          |
 | license@php.net so we can mail you a copy immediately.               |
 +----------------------------------------------------------------------+
 | Authors: Gustavo Lopes    <cataphract@php.net>                       |
 +----------------------------------------------------------------------+
 */

#pragma once

#include "php_swoole_cxx.h"

using swoole::coroutine::Socket;

#if defined(MCAST_JOIN_GROUP) && !defined(__APPLE__)
# define RFC3678_API 1
/* has block/unblock and source membership, in this case for both IPv4 and IPv6 */
# define HAS_MCAST_EXT 1
#elif defined(IP_ADD_SOURCE_MEMBERSHIP) && !defined(__APPLE__)
/* has block/unblock and source membership, but only for IPv4 */
# define HAS_MCAST_EXT 1
#endif

#ifndef RFC3678_API
# define PHP_MCAST_JOIN_GROUP			IP_ADD_MEMBERSHIP
# define PHP_MCAST_LEAVE_GROUP			IP_DROP_MEMBERSHIP
# ifdef HAS_MCAST_EXT
#  define PHP_MCAST_BLOCK_SOURCE		IP_BLOCK_SOURCE
#  define PHP_MCAST_UNBLOCK_SOURCE		IP_UNBLOCK_SOURCE
#  define PHP_MCAST_JOIN_SOURCE_GROUP	IP_ADD_SOURCE_MEMBERSHIP
#  define PHP_MCAST_LEAVE_SOURCE_GROUP	IP_DROP_SOURCE_MEMBERSHIP
# endif
#else
# define PHP_MCAST_JOIN_GROUP			MCAST_JOIN_GROUP
# define PHP_MCAST_LEAVE_GROUP			MCAST_LEAVE_GROUP
# define PHP_MCAST_BLOCK_SOURCE			MCAST_BLOCK_SOURCE
# define PHP_MCAST_UNBLOCK_SOURCE		MCAST_UNBLOCK_SOURCE
# define PHP_MCAST_JOIN_SOURCE_GROUP	MCAST_JOIN_SOURCE_GROUP
# define PHP_MCAST_LEAVE_SOURCE_GROUP	MCAST_LEAVE_SOURCE_GROUP
#endif

int php_do_setsockopt_ip_mcast(Socket *php_sock, int level, int optname, zval *arg4);
int php_do_setsockopt_ipv6_mcast(Socket *php_sock, int level, int optname, zval *arg4);
int php_if_index_to_addr4(unsigned if_index, Socket *php_sock, struct in_addr *out_addr);
int php_add4_to_if_index(struct in_addr *addr, Socket *php_sock, unsigned *if_index);
int php_string_to_if_index(const char *val, unsigned *out);
int php_mcast_join(Socket *sock, int level, struct sockaddr *group, socklen_t group_len, unsigned int if_index);

int php_mcast_leave(Socket *sock, int level, struct sockaddr *group, socklen_t group_len,
        unsigned int if_index);

#ifdef HAS_MCAST_EXT
int php_mcast_join_source(Socket *sock, int level, struct sockaddr *group, socklen_t group_len,
        struct sockaddr *source, socklen_t source_len, unsigned int if_index);

int php_mcast_leave_source(Socket *sock, int level, struct sockaddr *group, socklen_t group_len,
        struct sockaddr *source, socklen_t source_len, unsigned int if_index);

int php_mcast_block_source(Socket *sock, int level, struct sockaddr *group, socklen_t group_len,
        struct sockaddr *source, socklen_t source_len, unsigned int if_index);

int php_mcast_unblock_source(Socket *sock, int level, struct sockaddr *group, socklen_t group_len,
        struct sockaddr *source, socklen_t source_len, unsigned int if_index);
#endif
