// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
// which accompanies this distribution, and is available
// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//



/**
 @file
 @publishedAll
 @released
*/

#ifndef	_SYS_SOCKET_H
#define	_SYS_SOCKET_H

#include "_ansi.h"

#ifdef	__cplusplus
extern "C" {
#endif

/*
Types - may be extended by individual protocols
*/
#define	SOCK_STREAM	1		///< stream socket
#define	SOCK_DGRAM	2		///< datagram socket
#define	SOCK_SEQPACKET	3	///< sequenced packet stream
#define	SOCK_RAW	4		///< raw-protocol interface

/*
Options for use with [gs]etsockopt at the socket level.
Note: Symbian OS setsockopt() ignores the options with values <= 0.
*/
#define	SOL_SOCKET	1		///< options for socket level

#define	SO_DEBUG	1		///< turn on debugging info recording
#define	SO_RCVBUF	2		///< receive buffer size
#define	SO_SNDBUF	3		///< send buffer size
#define	SO_ERROR	9		///< get error status and clear
#define	SO_REUSEADDR	0x406		///< reuse local addresses
#define	SO_BROADCAST	-1	///< permit sending of broadcast msgs, not supported in Symbian OS
#define	SO_USELOOPBACK	-2	///< bypass hardware when possible, not supported in Symbian OS
#define	SO_LINGER	    -3  ///< linger on close if data present, not supported in Symbian OS
#define	SO_OOBINLINE	-4	///< leave received OOB data in line, not supported in Symbian OS

/*
Address families - for EPOC32 these are based on the protocol IDs.
*/
#define	AF_UNSPEC	0		///< unspecified
#define	AF_LOCAL	0x666	///< local to host (pipes)
#define	AF_INET		0x0800	///< internetwork: UDP, TCP, etc.
#define	AF_IRDA		0x0100	///< IrDA
#define AF_PLP		273		///< Symbian link protocol

/*
Protocol families, same as address families
*/
#define	PF_UNSPEC	AF_UNSPEC
#define	PF_LOCAL	AF_LOCAL
#define	PF_INET		AF_INET
#define	PF_IRDA		AF_IRDA
#define PF_PLP		AF_PLP

/**
Structure used by EPOC32 to store most addresses.
NB. EPOC32 uses 32-bit family and port numbers internally, but they have been
left as shorts here for compatibility with code that uses htons()/ntohs() explicitly.
*/
struct sockaddr {
	u_short	sa_family;		/* address family */
	u_short sa_port;		/* port number - a common feature of most protocols */
	char	sa_data[24];		/* up to 24 bytes of direct address */
};

#define	SOMAXCONN	5 ///< Maximum queue length specifiable by listen

#define	MSG_PEEK	1 ///< peek at incoming message
#define	MSG_OOB		1 ///< write out-of-band data

IMPORT_C int accept(int, struct sockaddr *, size_t *);
IMPORT_C int bind(int, struct sockaddr *, size_t);
IMPORT_C int connect(int, struct sockaddr *, size_t);
IMPORT_C int getpeername(int, struct sockaddr *, size_t *);
IMPORT_C int getsockname(int, struct sockaddr *, size_t *);
IMPORT_C int getsockopt(int, int, int, void *, size_t *);
IMPORT_C int listen(int, int);
IMPORT_C int recv(int, char *, size_t, int);
IMPORT_C int recvfrom(int, char *, size_t, int, struct sockaddr *, size_t *);
IMPORT_C int send(int, const char *, size_t, int);
IMPORT_C int sendto(int, const char *, size_t, int, struct sockaddr *, size_t);
IMPORT_C int setsockopt(int, int, int, void *, size_t);
IMPORT_C int socket(int, int, int);
IMPORT_C int shutdown(int, int);

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_SOCKET_H */
