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TCP.H
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1997-03-02
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9KB
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283 lines
#ifndef _wattcp_tcp_h
#define _wattcp_tcp_h
#ifndef WTCP_VER
/* handle some early dumb naming conventions */
#define dbuginit() dbug_init()
/* Kernal version (major major minor minor) */
#define WTCP_VER 0x0102
/*
* Typedefs and constants
*/
#ifndef byte
typedef unsigned char byte;
#endif
#ifndef word
typedef unsigned int word;
#endif
#ifndef longword
typedef unsigned long longword;
#endif
typedef struct {
byte undoc[ 4300 ];
} tcp_Socket;
typedef struct {
byte undoc[ 2200 ];
} udp_Socket;
typedef struct sockaddr {
word s_type;
word s_port;
longword s_ip;
byte s_spares[6]; /* unused in TCP realm */
};
#define sockaddr_in sockaddr
typedef struct in_addr {
longword s_addr;
};
#define MAX_COOKIES 10
#define MAX_NAMESERVERS 10
#define TCP_MODE_BINARY 0
#define TCP_MODE_ASCII 1
#define UDP_MODE_CHK 0 /*default to checksum */
#define UDP_MODE_NOCHK 2
#define TCP_MODE_NAGLE 0 /* Nagle algorithm */
#define TCP_MODE_NONAGLE 4
extern sock_init( void );
/*
* s is the pointer to a udp or tcp socket
*/
extern sock_read(void *s, byte *dp, int len );
extern sock_fastread(void *s, byte *dp, int len );
extern sock_write(void *s, byte *dp, int len);
extern void sock_enqueue(void *s, byte *dp, int len);
extern sock_fastwrite(void *s, byte *dp, int len );
extern sock_flush( void *s );
extern sock_flushnext( void *s);
extern sock_puts( void *s, byte *dp );
extern word sock_gets( void *s, byte *dp, int n );
extern byte sock_putc( void *s, byte c );
extern byte sock_getc( void *s );
extern word sock_dataready( void *s );
extern sock_close( void *s );
extern sock_abort( void *s );
extern sock_printf( void *s, char *format, ... );
extern sock_scanf( void *s, char *format, ... );
extern sock_mode( void *s, word mode ); /* see TCP_MODE_... */
extern void db_write( char *msg );
extern void dbug_init( void );
extern void dbug_printf(char *,... );
/*
* TCP or UDP specific stuff, must be used for open's and listens, but
* sock stuff is used for everything else
*/
extern int udp_open(void *s, word lport, longword ina, word port, int (*datahandler)());
extern int tcp_open(void *s, word lport, longword ina, word port, int (*datahandler)());
extern tcp_listen(void *s, word lport, longword ina, word port, int (*datahandler)(), word timeout);
extern int tcp_established(void *s);
extern char *rip( char *s );
extern longword resolve( char *name);
extern int reverse_addr_lookup(longword ipaddr, char *name);
/*
* less general functions
*/
extern longword aton( char *text );
extern int isaddr( char *text );
extern tcp_cbreak( word mode );
extern longword intel( longword x );
extern word intel16( word x );
/*
* timers
*/
extern void ip_timer_init( void *s , word delayseconds );
extern word ip_timer_expired( void *s );
/*
* TCP/IP system variables - do not change these since they
* are not necessarily the source variables, instead use
* ip_Init function
*/
extern longword my_ip_addr;
extern longword sin_mask; /* eg. 0xfffffe00L */
extern word sock_delay;
/*
* tcp_init/tcp_shutdown
* - init/kill all tcp and lower services
* - only call if you do not use sock_init
* (NOT RECOMMENDED)
*/
extern void tcp_shutdown(void);
extern void tcp_Init(void);
/*
* things you probably won't need to know about
*/
/*
* sock_debugdump
* - dump some socket control block parameters
* used for testing the kernal, not recommended
*/
extern sock_debugdump( void *s);
/*
* tcp_config - read a configuration file
* - if special path desired, call after sock_init()
* - null reads path from executable
* see sock_init();
*/
extern tcp_config( char *path );
/*
* tcp_tick - called periodically by user application in sock_wait_...
* - returns 1 when our socket closes
*/
extern tcp_tick( void *s );
/*
* Retransmitter - called periodically to perform tcp retransmissions
* - normally called from tcp_tick, you have to be pretty
* low down to use this one
*/
extern tcp_Retransmitter( void );
/*
* tcp_set_debug_state - set 1 or reset 0 - depends on what I have done
*/
extern tcp_set_debug_state( word x );
extern int _last_cookie;
extern longword _cookie[MAX_COOKIES];
/*
* name domain constants
*/
extern char *def_domain;
extern longword def_nameservers[ MAX_NAMESERVERS ];
extern word wathndlcbrk;
extern word watcbroke;
/*
* sock_wait_... macros
*/
/*
* sock_wait_established()
* - waits then aborts if timeout on s connection
* sock_wait_input()
* - waits for received input on s
* - may not be valid input for sock_Gets... check returned length
* sock_tick()
* - do tick and jump on abort
* sock_wait_closed();
* - discards all received data
*
* jump to sock_err with contents of *statusptr set to
* 1 on closed
* -1 on timeout
*
*/
extern int _ip_delay0( void *s, int seconds, int (*fn)(), void *statusptr );
extern int _ip_delay1( void *s, int seconds, int (*fn)(), void *statusptr );
extern int _ip_delay2( void *s, int seconds, int (*fn)(), void *statusptr );
extern unsigned long set_timeout( unsigned int seconds );
extern unsigned long set_ttimeout( unsigned int ticks );
extern int chk_timeout( unsigned long timeout );
extern int tcp_tick( void *s );
#define sock_wait_established( s, seconds, fn, statusptr ) \
if (_ip_delay0( s, seconds, fn, statusptr )) goto sock_err;
#define sock_wait_input( s, seconds, fn , statusptr ) \
if (_ip_delay1( s, seconds, fn, statusptr )) goto sock_err;
#define sock_tick( s, statusptr ) \
if ( !tcp_tick(s)) { if (statusptr) *statusptr = 1 ; goto sock_err; }
#define sock_wait_closed(s, seconds, fn, statusptr )\
if (_ip_delay2( s, seconds, fn, statusptr )) goto sock_err;
/* user initialization file */
extern void (*usr_init)();
extern void outs( char far * string );
extern longword aton( char * string);
/*
* Send an icmp echo request using specified ttl and tos.
* if(icmp_id != NULL) store copy of the id there
*/
extern int _send_ping( longword host, longword countnum, byte ttl,
byte tos, longword *theid );
/* backward compatibility */
#define _ping( h, c ) _send_ping( h, c, 250, 0, NULL )
extern longword _chk_ping( longword host , longword *ptr);
extern void _arp_register( longword use, longword instead_of );
extern void _eth_init( void );
extern byte *_eth_formatpacket( void *eth_dest, word eth_type );
extern void _eth_send( word len);
extern void _eth_free( void *buf);
extern byte *_eth_arrived( word *type_ptr);
extern void _eth_release( void );
/* bsd-similar stuff */
extern int sock_rbsize( void *s );
extern int sock_rbused( void *s );
extern int sock_rbleft( void *s );
extern int sock_tbsize( void *s );
extern int sock_tbused( void *s );
extern int sock_tbleft( void *s );
extern _chk_socket( tcp_Socket *s );
extern char *inet_ntoa( char *s, longword x );
extern char *psocket( tcp_Socket *s );
extern longword inet_addr( char *s );
extern char *sockerr( tcp_Socket *s );
extern char *sockstate( tcp_Socket *s );
extern getpeername( tcp_Socket *s, void *dest, int *len );
extern getsockname( tcp_Socket *s, void *dest, int *len );
extern longword gethostid( void );
extern longword sethostid( longword ip );
extern char *getdomainname( char *name, int length );
extern char *setdomainname( char *string );
extern char *gethostname( char *name, int length );
extern char *sethostname( char *string );
extern word ntohs( word a );
extern word htons( word a );
extern longword ntohl( longword x );
extern longword htonl( longword x );
extern void _arp_register( longword use, longword instead_of );
extern int _arp_resolve( longword ina, void *ethap, int nowait );
extern _survivebootp;
extern int sock_established( tcp_Socket *s);
extern sock_stats( tcp_Socket *s, word *days, word *inactive, word *cwindow, word *avg, word *sd );
extern int addwattcpd( void (*p)() );
extern int delwattcpd( void (*p)() );
extern int tap_add( void *socket, void *userid );
#endif /* WTCP_VER */
#endif /* ndef _wattcp_tcp_h */