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USOCK.H
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C/C++ Source or Header
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1991-03-16
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2KB
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110 lines
#ifndef _USOCK_H
#define _USOCK_H
#ifndef _MBUF_H
#include "mbuf.h"
#endif
#ifndef _LZW_H
#include "lzw.h"
#endif
#ifndef _PROC_H
#include "proc.h"
#endif
#ifndef _TCP_H
#include "tcp.h"
#endif
#ifndef _UDP_H
#include "udp.h"
#endif
#ifndef _IP_H
#include "ip.h"
#endif
#ifndef _NETROM_H
#include "netrom.h"
#endif
#ifndef _SOCKADDR_H
#include "sockaddr.h"
#endif
struct loc {
struct usock *peer;
struct mbuf *q;
int hiwat; /* Flow control point */
int flags;
#define LOC_SHUTDOWN 1
};
#define NULLLOC (struct loc *)0
#define LOCDFLOW 5 /* dgram socket flow-control point, packets */
#define LOCSFLOW 2048 /* stream socket flow control point, bytes */
#define SOBUF 256 /* Size of buffer for usputc()/usprintf() */
#define SOCKBASE 128 /* Start of socket indexes */
union sp {
struct sockaddr *sa;
struct sockaddr_in *in;
struct sockaddr_ax *ax;
struct sockaddr_nr *nr;
char *p;
};
union cb {
struct tcb *tcb;
struct ax25_cb *ax25;
struct udp_cb *udp;
struct raw_ip *rip;
struct raw_nr *rnr;
struct nr4cb *nr4;
struct loc *local;
char *p;
};
/* User sockets */
struct usock {
struct proc *owner;
int refcnt;
char noblock;
char type;
#define NOTUSED 0
#define TYPE_TCP 1
#define TYPE_UDP 2
#define TYPE_AX25I 3
#define TYPE_AX25UI 4
#define TYPE_RAW 5
#define TYPE_NETROML3 6
#define TYPE_NETROML4 7
#define TYPE_LOCAL_STREAM 8
#define TYPE_LOCAL_DGRAM 9
int rdysock;
union cb cb;
char *name;
int namelen;
char *peername;
int peernamelen;
char errcodes[4]; /* Protocol-specific error codes */
struct mbuf *obuf; /* Output buffer */
struct mbuf *ibuf; /* Input buffer */
char eol[3]; /* Text mode end-of-line sequence, if any */
int flag; /* Mode flags, defined in socket.h */
int flush; /* Character to trigger flush, if any */
struct lzw *zout; /* Pointer to compression structure */
struct lzw *zin;
};
#define NULLUSOCK ((struct usock *)0)
extern char Badsocket[];
extern char *Socktypes[];
extern struct usock *Usock;
extern int Nusock;
struct usock *itop __ARGS((int s));
void st_garbage __ARGS((int red));
#endif /* _USOCK_H */