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sys/socket.h File Reference

UDP and TCP socket interface definitions. More...

Defines
#define	SOCK_STREAM
	Stream socket.
#define	SOCK_DGRAM
	Datagram socket.
#define	SOCK_RAW
	Raw-protocol interface.
#define	SO_DEBUG
	Turn on debugging info recording.
#define	SO_ACCEPTCONN
	Socket has had listen().
#define	SO_REUSEADDR
	Allow local address reuse.
#define	SO_KEEPALIVE
	Keep connections alive.
#define	SO_DONTROUTE
	Just use interface addresses.
#define	SO_BROADCAST
	Permit sending of broadcast msgs.
#define	SO_USELOOPBACK
	Bypass hardware when possible.
#define	SO_LINGER
	Linger on close if data present.
#define	SO_OOBINLINE
	Leave received OOB data in line.
#define	SO_REUSEPORT
	Allow local address & port reuse.
#define	SO_SNDBUF
	Send buffer size.
#define	SO_RCVBUF
	Receive buffer size.
#define	SO_SNDLOWAT
	Send low-water mark.
#define	SO_RCVLOWAT
	Receive low-water mark.
#define	SO_SNDTIMEO
	Send timeout.
#define	SO_RCVTIMEO
	Receive timeout.
#define	SO_ERROR
	Get error status and clear.
#define	SO_TYPE
	Get socket type.
#define	AF_INET
	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, CONST 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.
int	NutTcpDeviceRead (TCPSOCKET *sock, void *buffer, int size)
	Read from device.
int	NutTcpDeviceWrite (TCPSOCKET *sock, CONST void *buffer, int size)
	Write to a socket.
int	NutTcpDeviceWrite_P (TCPSOCKET *sock, PGM_P buffer, int size)
	Write to device.
int	NutTcpDeviceIOCtl (TCPSOCKET *sock, int cmd, void *param)
	Driver control function.
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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