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/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup socket
 *  @{
 */

/** @file
 *  Socket application program interface (API).
 *  This is a part of the network application library.
 *  Based on the linux src/include/linux/socket.h header file and BSD socket interface.
 */

#ifndef __NET_SOCKET_H__
#define __NET_SOCKET_H__

#include <sys/types.h>

#include "in.h"
#include "inet.h"

/* Supported address families. */
/** Unspecified address family.
 */
#define AF_UNSPEC   0

/** Unix domain sockets address family.
 */
#define AF_UNIXL    1

/** POSIX name for AF_UNIX address family.
 */
#define AF_LOCAL    1

/** Internet IP Protocol address family.
 */
#define AF_INET     2

/** Amateur Radio AX.25 address family.
 */
#define AF_AX25     3

/** Novell IPX address family.
 */
#define AF_IPX      4

/** AppleTalk DDP address family.
 */
#define AF_APPLETALK    5

/** Amateur Radio NET/ROM address family.
 */
#define AF_NETROM   6

/** Multiprotocol bridge address family.
 */
#define AF_BRIDGE   7

/** ATM PVCs address family.
 */
#define AF_ATMPVC   8

/** Reserved for X.25 project address family.
 */
#define AF_X25      9

/** IP version 6 address family.
 */
#define AF_INET6    10

/** Amateur Radio X.25 PLP address family.
 */
#define AF_ROSE     11

/** Reserved for DECnet project address family.
 */
#define AF_DECnet   12

/** Reserved for 802.2LLC project address family.
 */
#define AF_NETBEUI  13

/** Security callback pseudo AF address family.
 */
#define AF_SECURITY 14

/** PF_KEY key management API address family.
 */
#define AF_KEY      15

/** Alias to emulate 4.4BSD address family.
 */
#define AF_NETLINK  16

/** Packet family address family.
 */
#define AF_PACKET   17

/** Ash address family.
 */
#define AF_ASH      18

/** Acorn Econet address family.
 */
#define AF_ECONET   19

/** ATM SVCs address family.
 */
#define AF_ATMSVC   20

/** Linux SNA Project (nutters!) address family.
 */
#define AF_SNA      22

/** IRDA sockets address family.
 */
#define AF_IRDA     23

/** PPPoX sockets address family.
 */
#define AF_PPPOX    24

/** Wanpipe API Sockets address family.
 */
#define AF_WANPIPE  25

/** Linux LLC address family.
 */
#define AF_LLC      26

/** Controller Area Network address family.
 */
#define AF_CAN      29

/** TIPC sockets address family.
 */
#define AF_TIPC     30

/** Bluetooth sockets address family.
 */
#define AF_BLUETOOTH    31

/** IUCV sockets address family.
 */
#define AF_IUCV     32

/** RxRPC sockets address family.
 */
#define AF_RXRPC    33

/** Maximum address family.
 */
#define AF_MAX      34

/* Protocol families, same as address families. */

#define PF_UNSPEC   AF_UNSPEC
#define PF_UNIX     AF_UNIX
#define PF_LOCAL    AF_LOCAL
#define PF_INET     AF_INET
#define PF_AX25     AF_AX25
#define PF_IPX      AF_IPX
#define PF_APPLETALK    AF_APPLETALK
#define PF_NETROM   AF_NETROM
#define PF_BRIDGE   AF_BRIDGE
#define PF_ATMPVC   AF_ATMPVC
#define PF_X25      AF_X25
#define PF_INET6    AF_INET6
#define PF_ROSE     AF_ROSE
#define PF_DECnet   AF_DECnet
#define PF_NETBEUI  AF_NETBEUI
#define PF_SECURITY AF_SECURITY
#define PF_KEY      AF_KEY
#define PF_NETLINK  AF_NETLINK
#define PF_ROUTE    AF_ROUTE
#define PF_PACKET   AF_PACKET
#define PF_ASH      AF_ASH
#define PF_ECONET   AF_ECONET
#define PF_ATMSVC   AF_ATMSVC
#define PF_SNA      AF_SNA
#define PF_IRDA     AF_IRDA
#define PF_PPPOX    AF_PPPOX
#define PF_WANPIPE  AF_WANPIPE
#define PF_LLC      AF_LLC
#define PF_CAN      AF_CAN
#define PF_TIPC     AF_TIPC
#define PF_BLUETOOTH    AF_BLUETOOTH
#define PF_IUCV     AF_IUCV
#define PF_RXRPC    AF_RXRPC
#define PF_MAX      AF_MAX

/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
#define SOL_IP      0
#define SOL_ICMP    1
#define SOL_TCP     6
#define SOL_UDP     17
#define SOL_IPV6    41
#define SOL_ICMPV6  58
#define SOL_SCTP    132
#define SOL_UDPLITE 136     /* UDP-Lite (RFC 3828) */
#define SOL_RAW     255
#define SOL_IPX     256
#define SOL_AX25    257
#define SOL_ATALK   258
#define SOL_NETROM  259
#define SOL_ROSE    260
#define SOL_DECNET  261
#define SOL_X25     262
#define SOL_PACKET  263
#define SOL_ATM     264 /* ATM layer (cell level) */
#define SOL_AAL     265 /* ATM Adaption Layer (packet level) */
#define SOL_IRDA        266
#define SOL_NETBEUI 267
#define SOL_LLC     268
#define SOL_DCCP    269
#define SOL_NETLINK 270
#define SOL_TIPC    271
#define SOL_RXRPC   272
#define SOL_PPPOL2TP    273
#define SOL_BLUETOOTH   274

//
/* * IPX options.
 */
//#define IPX_TYPE  1

/** Socket type type definition.
 */
typedef enum sock_type{
    /** Stream (connection oriented) socket.
     */
    SOCK_STREAM = 1,
    /** Datagram (connectionless oriented) socket.
     */
    SOCK_DGRAM  = 2,
    /** Raw socket.
     */
    SOCK_RAW    = 3
} sock_type_t;

typedef int32_t socklen_t;

int socket( int domain, int type, int protocol );
int bind( int socket_id, const struct sockaddr * my_addr, socklen_t addrlen );
int listen( int socket_id, int backlog );
int accept( int socket_id, struct sockaddr * cliaddr, socklen_t * addrlen );
int connect( int socket_id, const struct sockaddr * serv_addr, socklen_t addrlen );

int closesocket( int socket_id );

int send( int socket_id, void * data, size_t datalength, int flags );
int sendto( int socket_id, const void * data, size_t datalength, int flags, const struct sockaddr * toaddr, socklen_t addrlen );

int recv( int socket_id, void * data, size_t datalength, int flags );
int recvfrom( int socket_id, void * data, size_t datalength, int flags, struct sockaddr * fromaddr, socklen_t * addrlen );

int getsockopt( int socket_id, int level, int optname, void * value, size_t * optlen );
int setsockopt( int socket_id, int level, int optname, const void * value, size_t optlen );

#endif

/** @}
 */