socket.h

在ARM7和UC/OSII的平台上实现了GPS自动报站的功能,涉及GPS模块LEA_4S的驱动,位置速寻算法,语音芯片ISD4004的录放音驱动,LED页面管理等等.从启动代码到操作系统的移植以及到业

/*
 * FILENAME: socket.h
 *
 * Copyright 1997 - 2000 By InterNiche Technologies Inc. All rights reserved
 *
 *
 * MODULE: TCP
 *
 *
 * PORTABLE: yes
 */

/* Additional Copyrights: */
/*
 * Copyright (c) 1982, 1985, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef SOCKET_H
#define  SOCKET_H 1

/*
 * Types
 */
#define     SOCK_STREAM    1     /* stream socket */
#define     SOCK_DGRAM     2     /* datagram socket */
#define     SOCK_RAW       3     /* raw-protocol interface */

#ifndef NPPORT
#define     SOCK_RDM       4     /* reliably-delivered message */
#define     SOCK_SEQPACKET 5     /* sequenced packet stream */
#endif   /* NPPORT*/

/*
 * Option flags per-socket.
 */
#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_TCPSACK     0x0200      /* Allow TCP SACK (Selective acknowledgment) */
#define     SO_WINSCALE    0x0400      /* Set scaling window option */ 
#define     SO_TIMESTAMP   0x0800      /* Set TCP timestamp option */ 
#define     SO_BIGCWND     0x1000      /* Large initial TCP Congenstion window */ 
#define     SO_HDRINCL     0x2000      /* user access to IP hdr for SOCK_RAW */
#define     SO_NOSLOWSTART 0x4000      /* suppress slowstart on this socket */
#define     SO_FULLMSS     0x8000      /* force packets to all be MAX size */

extern   unshort socket_defaults;      /* default so_options fo new sockets */

/* for compatability with second-rate stacks: */
#define SO_EXPEDITE     SO_NOSLOWSTART
#define SO_THROUGHPUT   SO_FULLMSS

/*
 * Additional options, not kept in so_options.
 */
#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  SO_HOPCNT      0x1009      /* Hop count to get to dst   */
#define  SO_MAXMSG      0x1010      /* get TCP_MSS (max segment size) */

/* ...And some netport additions to setsockopt: */
#define  SO_RXDATA      0x1011      /* get count of bytes in sb_rcv */
#define  SO_TXDATA      0x1012      /* get count of bytes in sb_snd */
#define  SO_MYADDR      0x1013      /* return my IP address */
#define  SO_NBIO        0x1014      /* set socket into NON-blocking mode */
#define  SO_BIO         0x1015      /* set socket into blocking mode */
#define  SO_NONBLOCK    0x1016      /* set/get blocking mode via optval param */
#define  SO_CALLBACK    0x1017      /* set/get zero_copy callback routine */

/*
 * TCP User-settable options (used with setsockopt).
 * TCP-specific socket options use the 0x2000 number space.
 */

#define  TCP_ACKDELAYTIME 0x2001    /* Set time for delayed acks */
#define  TCP_NODELAY      0x2002    /* suppress delayed ACKs */
#define  TCP_MAXSEG       0x2003    /* set maximum segment size */


/*
 * Structure used for manipulating linger option.
 */
struct   linger
{
   int   l_onoff;    /* option on/off */
   int   l_linger;   /* linger time */
};

/*
 * Address families.
 */
#define  AF_UNSPEC   0     /* unspecified */
#define  AF_NS       1     /* local to host (pipes, portals) */
#define  AF_INET     2     /* internetwork: UDP, TCP, etc. */

#ifdef NOTDEF     /* ...and in the dumpster of history: */
#define  AF_IMPLINK  3     /* arpanet imp addresses */
#define  AF_PUP      4     /* pup protocols: e.g. BSP */
#define  AF_CHAOS    5     /* mit CHAOS protocols */
#define  AF_NS       6     /* XEROX NS protocols */
#define  AF_NBS      7     /* nbs protocols */
#define  AF_ECMA     8     /* european computer manufacturers */
#define  AF_DATAKIT  9     /* datakit protocols */
#define  AF_CCITT    10    /* CCITT protocols, X.25 etc */
#define  AF_SNA      11    /* IBM SNA */
#define  AF_DECnet   12    /* DECnet */
#define  AF_DLI      13    /* Direct data link interface */
#define  AF_LAT      14    /* LAT */
#define  AF_HYLINK   15    /* NSC Hyperchannel */
#define  AF_APPLETALK   16 /* Apple Talk */
#endif

#define  AF_MAX      (AF_INET +  1)

/*
 * Structure used by kernel to store most
 * addresses.
 */
struct sockaddr
{
   u_short     sa_family;     /* address family */
   char     sa_data[14];      /* up to 14 bytes of direct address */
};

/*
 * Structure used by kernel to pass protocol
 * information in raw sockets.
 */
struct sockproto
{
   u_short     sp_family;     /* address family */
   u_short     sp_protocol;   /* protocol */
};

/* Support for Large initial congestion window */
#ifdef TCP_BIGCWND
extern   int      use_default_cwnd;    /* Flag to use this on all sockets */
extern   u_long   default_cwnd;        /* initial cwnd value to use */
#endif   /* TCP_BIGCWND */

/*
 * Protocol families, same as address families for now.
 */
#define  PF_UNSPEC   AF_UNSPEC
#define  PF_UNIX     AF_UNIX
#define  PF_INET     AF_INET
#define  PF_IMPLINK  AF_IMPLINK
#define  PF_PUP      AF_PUP
#define  PF_CHAOS    AF_CHAOS
#define  PF_NS       AF_NS
#define  PF_NBS      AF_NBS
#define  PF_ECMA     AF_ECMA
#define  PF_DATAKIT  AF_DATAKIT
#define  PF_CCITT    AF_CCITT
#define  PF_SNA      AF_SNA
#define  PF_DECnet   AF_DECnet
#define  PF_DLI      AF_DLI
#define  PF_LAT      AF_LAT
#define  PF_HYLINK   AF_HYLINK
#define  PF_APPLETALK   AF_APPLETALK
#define  PF_MAX      AF_MAX

/*
 * Maximum queue length specifiable by listen.
 */
#define     SOMAXCONN   5

#define     MSG_OOB        0x1      /* process out-of-band data */
#define     MSG_PEEK       0x2      /* peek at incoming message */
#define     MSG_DONTROUTE  0x4      /* send without using routing tables */
#define     MSG_NEWPIPE    0x8      /* New pipe for recvfrom call   */
#define     MSG_EOR        0x10     /* data completes record */
#define     MSG_DONTWAIT   0x20     /* this message should be nonblocking */


#endif   /* SOCKET_H */

/* end of file socket.h */