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socket.h File Reference

UDP and TCP socket interface definitions. More...

#include <sys/sock_var.h>

Go to the source code of this file.

Defines
#define	SOCK_STREAM   1
	Stream socket.
#define	SOCK_DGRAM   2
	Datagram socket.
#define	SOCK_RAW   3
	Raw-protocol interface.
#define	SO_DEBUG   0x0001
	Turn on debugging info recording.
#define	SO_ACCEPTCONN   0x0002
	Socket has had listen().
#define	SO_REUSEADDR   0x0004
	Allow local address reuse.
#define	SO_KEEPALIVE   0x0008
	Keep connections alive.
#define	SO_DONTROUTE   0x0010
	Just use interface addresses.
#define	SO_BROADCAST   0x0020
	Permit sending of broadcast msgs.
#define	SO_USELOOPBACK   0x0040
	Bypass hardware when possible.
#define	SO_LINGER   0x0080
	Linger on close if data present.
#define	SO_OOBINLINE   0x0100
	Leave received OOB data in line.
#define	SO_REUSEPORT   0x0200
	Allow local address & port reuse.
#define	SO_SNDBUF   0x1001
	Send buffer size.
#define	SO_RCVBUF   0x1002
	Receive buffer size.
#define	SO_SNDLOWAT   0x1003
	Send low-water mark.
#define	SO_RCVLOWAT   0x1004
	Receive low-water mark.
#define	SO_SNDTIMEO   0x1005
	Send timeout.
#define	SO_RCVTIMEO   0x1006
	Receive timeout.
#define	SO_ERROR   0x1007
	Get error status and clear.
#define	SO_TYPE   0x1008
	Get socket type.
#define	AF_INET   2
	internetwork: UDP, TCP, etc
Functions
TCPSOCKET *	NutTcpCreateSocket (void)
	Create a TCP socket.
int	NutTcpSetSockOpt (TCPSOCKET *sock, int optname, CONST void *optval, int optlen)
	Set value of a TCP socket option.
int	NutTcpGetSockOpt (TCPSOCKET *sock, int optname, void *optval, int optlen)
	Get a TCP socket option value.
int	NutTcpConnect (TCPSOCKET *sock, u_long addr, u_short port)
	Connect to a remote socket.
int	NutTcpAccept (TCPSOCKET *sock, u_short port)
	Wait for incoming connect from a remote socket.
void	NutTcpInput (NETBUF *nb)
	Process incoming TCP segments from IP layer.
int	NutTcpSend (TCPSOCKET *sock, void *data, u_short len)
	Send data on a connected TCP socket.
int	NutTcpCloseSocket (TCPSOCKET *sock)
	Close TCP socket.
void	NutTcpDestroySocket (TCPSOCKET *sock)
	Destroy a previously allocated socket.
int	NutTcpReceive (TCPSOCKET *sock, void *data, u_short size)
	Receive data on a connected TCP socket.
TCPSOCKET *	NutTcpFindSocket (u_short lport, u_short rport, u_long raddr)
	Find a matching socket.
int	NutTcpError (TCPSOCKET *sock)
	Return specific code of the last error.
UDPSOCKET *	NutUdpCreateSocket (u_short port)
	Create an UDP socket.
int	NutUdpSendTo (UDPSOCKET *sock, u_long addr, u_short port, void *data, u_short len)
	Send an UDP datagram.
int	NutUdpReceiveFrom (UDPSOCKET *sock, u_long *addr, u_short *port, void *data, u_short size, u_long timeout)
	Receive an UDP datagram.
int	NutUdpDestroySocket (UDPSOCKET *sock)
	Close UDP socket.
UDPSOCKET *	NutUdpFindSocket (u_short port)
	Find a matching socket.

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Detailed Description

UDP and TCP socket interface definitions.

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