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/*!\file inc/tcp.h
* Watt-32 public API.
*/
/*
* Waterloo TCP
*
* Copyright (c) 1990-1993 Erick Engelke
*
* Portions copyright others, see copyright.h for details.
*
* This library is free software; you can use it or redistribute under
* the terms of the license included in LICENSE.H.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* file LICENSE.H for more details.
*
*/
#ifndef __WATT_TCP_H
#define __WATT_TCP_H
/*
* Version (major.minor.dev-rel), 8-bit each.
*/
#define WATTCP_MAJOR_VER 2
#define WATTCP_MINOR_VER 2
#define WATTCP_DEVEL_REL 10
#define WATTCP_VER ((WATTCP_MAJOR_VER << 16) + \
(WATTCP_MINOR_VER << 8) + \
WATTCP_DEVEL_REL)
#define WATTCP_VER_STRING "2.2.10"
#if !defined(RC_INVOKED)
#include <stdio.h>
#include <sys/wtypes.h> /* fd_set, iovec */
#include <sys/wtime.h> /* struct timeval, cdecl */
#include <sys/swap.h> /* intel(), intel16() */
#include <sys/w32api.h> /* W32_FUNC, W32_DATA etc. */
#ifdef __WATCOMC__
#pragma read_only_directory;
#endif
#ifdef __cplusplus
extern "C" {
#if 0 /* keep Emacs's auto-indent happy */
}
#endif
#endif
W32_DATA const char *wattcpCopyright; /* "See COPYRIGHT.H for details" */
W32_FUNC const char *wattcpVersion (void); /* WatTCP target version/date */
W32_FUNC const char *wattcpCapabilities (void); /* what's been compiled in */
#if !defined(WATT32_BUILD)
/*
* Typedefs and constants
*/
#ifndef BYTE
#define BYTE unsigned char
#endif
#ifndef WORD
#define WORD unsigned short
#endif
#ifndef DWORD
#define DWORD unsigned long
#endif
#ifndef BOOL
#define BOOL int
#endif
#ifndef sock_type
#define sock_type void
#endif
/*
* Old compatibility
*/
#ifndef byte
#define byte unsigned char
#endif
#ifndef word
#define word unsigned short
#endif
#ifndef dword
#define dword unsigned long
#endif
#ifndef longword
#define longword unsigned long
#endif
/*
* Basic typedefs
*/
typedef BYTE eth_address[6];
typedef BYTE ip6_address[16];
typedef int (*ProtoHandler) (void *sock, const BYTE *data, unsigned len,
const void *tcp_phdr, const void *udp_hdr);
typedef int (*UserHandler) (void *sock);
#endif /* WATT32_BUILD */
typedef struct {
BYTE undoc [4470];
} tcp_Socket;
typedef struct {
BYTE undoc [1740];
} udp_Socket;
/* Silly C++ compilers needs this to supress warning at max warning level
*/
typedef void (*VoidProc)(void);
#define MAX_COOKIES 10
#define MAX_NAMESERVERS 10
#define MAX_HOSTLEN 80
/* Modes for sock_mode()
*/
#define TCP_MODE_BINARY 0x01 /* deprecated */
#define TCP_MODE_ASCII 0x02 /* deprecated */
#define SOCK_MODE_BINARY 0x01 /* new name */
#define SOCK_MODE_ASCII 0x02 /* new name */
#define UDP_MODE_CHK 0x04 /* defaults to checksum */
#define UDP_MODE_NOCHK 0x08
#define TCP_MODE_NAGLE 0x10 /* Nagle's algorithm */
#define TCP_MODE_NONAGLE 0x20
/* wait-states for sock_sselect()
*/
#define SOCKESTABLISHED 1
#define SOCKDATAREADY 2
#define SOCKCLOSED 4
/*
* Hide "private" symbols by prefixing with "_w32_"
*/
#undef W32_NAMESPACE
#define W32_NAMESPACE(x) _w32_ ## x
#define init_misc W32_NAMESPACE (init_misc)
#define Random W32_NAMESPACE (Random)
#define set_timeout W32_NAMESPACE (set_timeout)
#define chk_timeout W32_NAMESPACE (chk_timeout)
#define cmp_timeout W32_NAMESPACE (cmp_timeout)
#define hires_timer W32_NAMESPACE (hires_timer)
#define set_timediff W32_NAMESPACE (set_timediff)
#define get_timediff W32_NAMESPACE (get_timediff)
#define timeval_diff W32_NAMESPACE (timeval_diff)
#define my_ip_addr W32_NAMESPACE (my_ip_addr)
#define sin_mask W32_NAMESPACE (sin_mask)
#define sock_delay W32_NAMESPACE (sock_delay)
#define sock_inactive W32_NAMESPACE (sock_inactive)
#define sock_data_timeout W32_NAMESPACE (sock_data_timeout)
#define multihomes W32_NAMESPACE (multihomes)
#define block_tcp W32_NAMESPACE (block_tcp)
#define block_udp W32_NAMESPACE (block_udp)
#define block_ip W32_NAMESPACE (block_ip)
#define block_icmp W32_NAMESPACE (block_icmp)
#define last_cookie W32_NAMESPACE (last_cookie)
#define cookies W32_NAMESPACE (cookies)
#define survive_eth W32_NAMESPACE (survive_eth)
#define survive_bootp W32_NAMESPACE (survive_bootp)
#define survive_dhcp W32_NAMESPACE (survive_dhcp)
#define survive_rarp W32_NAMESPACE (survive_rarp)
#define loopback_handler W32_NAMESPACE (loopback_handler)
#define usr_init W32_NAMESPACE (usr_init)
#define usr_post_init W32_NAMESPACE (usr_post_init)
#define in_checksum W32_NAMESPACE (in_checksum)
#define aton W32_NAMESPACE (aton)
#define isaddr W32_NAMESPACE (isaddr)
#define _printf W32_NAMESPACE (_printf)
#define _outch W32_NAMESPACE (_outch)
#define outs W32_NAMESPACE (outs)
#define outsnl W32_NAMESPACE (outsnl)
#define outsn W32_NAMESPACE (outsn)
#define outhexes W32_NAMESPACE (outhexes)
#define outhex W32_NAMESPACE (outhex)
#define rip W32_NAMESPACE (rip)
#define parse_config_table W32_NAMESPACE (parse_config_table)
#define init_timer_isr W32_NAMESPACE (init_timer_isr)
#define exit_timer_isr W32_NAMESPACE (exit_timer_isr)
#undef sock_init
#define sock_init() watt_sock_init (sizeof(tcp_Socket), sizeof(udp_Socket))
W32_FUNC int watt_sock_init (size_t, size_t);
W32_FUNC const char *sock_init_err (int rc);
W32_FUNC void sock_exit (void);
W32_FUNC void dbug_init (void); /* effective if compiled with `USE_DEBUG' */
W32_FUNC void init_misc (void); /* may be called before sock_init() */
W32_FUNC void sock_sig_exit (const char *msg, int sigint);
#if !defined(WATT32_BUILD)
/*
* `s' is the pointer to a udp or tcp socket
*/
W32_FUNC int sock_read (void *s, char *dp, int len);
W32_FUNC int sock_preread (void *s, char *dp, int len);
W32_FUNC int sock_fastread (void *s, char *dp, int len);
W32_FUNC int sock_write (void *s, const char *dp, int len);
W32_FUNC int sock_enqueue (void *s, const char *dp, int len);
W32_FUNC int sock_fastwrite (void *s, const char *dp, int len);
W32_FUNC size_t sock_setbuf (void *s, char *buf, size_t len);
W32_FUNC void sock_flush (void *s);
W32_FUNC void sock_noflush (void *s);
W32_FUNC void sock_flushnext (void *s);
W32_FUNC int sock_puts (void *s, const char *dp);
W32_FUNC WORD sock_gets (void *s, char *dp, int n);
W32_FUNC BYTE sock_putc (void *s, char c);
W32_FUNC int sock_getc (void *s);
W32_FUNC WORD sock_dataready (void *s);
W32_FUNC int sock_established(void *s);
W32_FUNC int sock_close (void *s);
W32_FUNC int sock_abort (void *s);
W32_FUNC void (*sock_yield (void *s, VoidProc fn)) (void);
W32_FUNC int sock_mode (void *s, WORD mode);
W32_FUNC int sock_sselect (void *s, int waitstate);
W32_FUNC int sock_timeout (void *s, int seconds);
W32_FUNC int sock_recv (void *s, char *buf, unsigned len);
W32_FUNC int sock_recv_init (void *s, char *buf, unsigned len);
W32_FUNC int sock_recv_from (void *s, DWORD *ip, WORD *port, char *buf, unsigned len, int peek);
W32_FUNC int sock_recv_used (void *s);
W32_FUNC int sock_keepalive (void *s);
W32_FUNC size_t sock_rbsize (const void *s);
W32_FUNC size_t sock_rbused (const void *s);
W32_FUNC size_t sock_rbleft (const void *s);
W32_FUNC size_t sock_tbsize (const void *s);
W32_FUNC size_t sock_tbused (const void *s);
W32_FUNC size_t sock_tbleft (const void *s);
W32_FUNC int MS_CDECL sock_printf (void *s, const char *fmt, ...)
#if defined(__GNUC__)
__attribute__((format(printf,2,3)))
#endif
;
W32_FUNC int MS_CDECL sock_scanf (void *s, const char *fmt, ...)
#if defined(__GNUC__)
__attribute__((format(scanf,2,3)))
#endif
;
/*
* TCP or UDP specific stuff, must be used for open's and listens, but
* sock stuff above is used for everything else
*/
W32_FUNC int udp_open (void *s, WORD lport, DWORD ina, WORD port, ProtoHandler handler);
W32_FUNC int tcp_open (void *s, WORD lport, DWORD ina, WORD port, ProtoHandler handler);
W32_FUNC int udp_listen (void *s, WORD lport, DWORD ina, WORD port, ProtoHandler handler);
W32_FUNC int tcp_listen (void *s, WORD lport, DWORD ina, WORD port, ProtoHandler handler, WORD timeout);
W32_FUNC int tcp_established (const void *s);
#endif /* WATT32_BUILD */
W32_FUNC DWORD resolve (const char *name);
W32_FUNC int resolve_ip (DWORD ip, char *name, int len);
W32_FUNC DWORD lookup_host(const char *host, char *ip_str);
W32_FUNC const char *dom_strerror (int err);
/*
* less general functions
*/
W32_FUNC int tcp_cbreak (int mode);
W32_FUNC DWORD aton (const char *name);
W32_FUNC int isaddr (const char *name);
W32_FUNC char *rip (char *s);
W32_FUNC int watt_kbhit (void);
#define tcp_cbrk(mode) tcp_cbreak(mode) /* old name */
/*
* Set MD5 secret for TCP option 19 (RFC-2385).
* Only if built with USE_TCP_MD5.
*/
W32_FUNC const char *tcp_md5_secret (void *s, const char *secret);
/*
* timers
*/
W32_FUNC DWORD set_timeout (DWORD msec);
W32_FUNC int chk_timeout (DWORD value);
W32_FUNC int cmp_timers (DWORD t1, DWORD t2);
W32_FUNC int set_timediff (long msec);
W32_FUNC long get_timediff (DWORD now, DWORD t);
W32_FUNC int hires_timer (int on);
W32_FUNC double timeval_diff (const struct timeval *a, const struct timeval *b);
W32_FUNC void init_timer_isr (void);
W32_FUNC void exit_timer_isr (void);
W32_FUNC void init_userSuppliedTimerTick (void);
W32_FUNC void userTimerTick (DWORD);
W32_FUNC void ip_timer_init (sock_type *s , unsigned delayseconds);
W32_FUNC int ip_timer_expired (const sock_type *s);
/*
* TCP/IP system variables
*/
W32_DATA DWORD my_ip_addr;
W32_DATA DWORD sin_mask; /* eg. 0xFFFFFE00L */
W32_DATA int sock_delay;
W32_DATA int sock_inactive;
W32_DATA int sock_data_timeout;
W32_DATA WORD multihomes;
W32_DATA int block_tcp;
W32_DATA int block_udp;
W32_DATA int block_icmp;
W32_DATA int block_ip;
W32_DATA WORD last_cookie;
W32_DATA DWORD cookies [MAX_COOKIES];
W32_DATA BOOL survive_eth;
W32_DATA BOOL survive_bootp;
W32_DATA BOOL survive_dhcp;
W32_DATA BOOL survive_rarp;
W32_DATA void (*loopback_handler) (void *ip);
/*
* things you probably won't need to know about
*/
/*
* sock_debugdump
* - dump some socket control block parameters
* used for testing the kernal, not recommended
*/
W32_FUNC void sock_debugdump (const sock_type *s);
/*
* tcp_config - read a configuration file
* - if special path desired, call after sock_init()
* - NULL reads path WATTCP.CFG env-var or from program's path
* see sock_init();
*/
W32_FUNC long tcp_config (const char *path);
/*
* tcp_tick - must be called periodically by user application.
* - returns NULL when our socket closes
*/
W32_FUNC WORD tcp_tick (sock_type *s);
/*
* tcp_set_debug_state - set to 1,2 or reset 0
*/
W32_FUNC void tcp_set_debug_state (WORD x);
/*
* name domain constants, etc.
*/
#define def_domain W32_NAMESPACE (def_domain)
#define def_nameservers W32_NAMESPACE (def_nameservers)
#define dns_timeout W32_NAMESPACE (dns_timeout)
#define dom_errno W32_NAMESPACE (dom_errno)
#define last_nameserver W32_NAMESPACE (last_nameserver)
#define _mtu W32_NAMESPACE (_mtu)
#define _mss W32_NAMESPACE (_mss)
#define ctrace_on W32_NAMESPACE (ctrace_on)
#define has_rdtsc W32_NAMESPACE (has_rdtsc)
#define clocks_per_usec W32_NAMESPACE (clocks_per_usec)
#define psocket W32_NAMESPACE (psocket)
#define _inet_ntoa W32_NAMESPACE (_inet_ntoa)
#define _inet_addr W32_NAMESPACE (_inet_addr)
W32_DATA char *def_domain;
W32_DATA int dom_errno;
W32_DATA DWORD def_nameservers [MAX_NAMESERVERS];
W32_DATA WORD dns_timeout;
W32_DATA WORD last_nameserver;
W32_DATA WORD _watt_handle_cbreak; /* ^C/^Break handle mode */
W32_DATA volatile int _watt_cbroke; /* ^C/^Break occured */
W32_DATA unsigned _mtu, _mss;
W32_DATA int ctrace_on;
W32_DATA int has_rdtsc;
W32_DATA DWORD clocks_per_usec;
/* Old compatibility
*/
#define wathndlcbrk _watt_handle_cbreak
#define watcbroke _watt_cbroke
/*
* sock_wait_ .. macros
*/
/*
* sock_wait_established()
* - Waits until connected or aborts if timeout etc.
*
* sock_wait_input()
* - Waits for received input on socket 's'.
* - May not be valid input for sock_gets().. check returned length.
*
* sock_tick()
* - Do tick and jump on abort.
*
* sock_wait_closed()
* - Close socket and wait until fully closed.
* Discards all received data.
*
* All these macros jump to label sock_err with contents of *statusptr
* set to
* 1 on closed normally.
* -1 on error, call sockerr(s) for cause.
*
*/
#if !defined(WATT32_BUILD)
W32_FUNC int _ip_delay0 (void *s, int sec, UserHandler fn, void *statusptr);
W32_FUNC int _ip_delay1 (void *s, int sec, UserHandler fn, void *statusptr);
W32_FUNC int _ip_delay2 (void *s, int sec, UserHandler fn, void *statusptr);
#define sock_wait_established(s,seconds,fn,statusptr) \
do { \
if (_ip_delay0 (s,seconds,fn,statusptr)) \
goto sock_err; \
} while (0)
#define sock_wait_input(s,seconds,fn,statusptr) \
do { \
if (_ip_delay1 (s,seconds,fn,statusptr)) \
goto sock_err; \
} while (0)
#define sock_tick(s, statusptr) \
do { \
if (!tcp_tick(s)) { \
if (statusptr) *statusptr = -1; \
goto sock_err; \
} \
} while (0)
#define sock_wait_closed(s,seconds,fn,statusptr) \
do { \
if (_ip_delay2(s,seconds,fn,statusptr)) \
goto sock_err; \
} while (0)
#endif /* WATT32_BUILD */
/*
* User hook for WATTCP.CFG initialisation file.
*/
W32_DATA void (*usr_init) (const char *keyword, const char *value);
W32_DATA void (*usr_post_init) (void);
enum config_tab_types {
ARG_ATOI, /* convert to int */
ARG_ATOB, /* convert to 8-bit byte */
ARG_ATOW, /* convert to 16-bit word */
ARG_ATOIP, /* convert to ip-address on host order */
ARG_ATOX_B, /* convert to hex-byte */
ARG_ATOX_W, /* convert to hex-word */
ARG_ATOX_D, /* convert to hex-word */
ARG_STRDUP, /* duplicate string value */
ARG_STRCPY, /* copy string value */
ARG_RESOLVE, /* resolve host to ip-address */
ARG_FUNC /* call convertion function */
};
struct config_table {
const char *keyword;
enum config_tab_types type;
void *arg_func;
};
W32_FUNC int parse_config_table (const struct config_table *tab,
const char *section,
const char *name,
const char *value);
/*
* Run with no config file (embedded/diskless)
*/
W32_DATA int _watt_no_config;
W32_FUNC void tcp_inject_config (
const struct config_table *cfg,
const char *key,
const char *value);
typedef long (*WattUserConfigFunc) (int pass, const struct config_table *cfg);
W32_FUNC WattUserConfigFunc _watt_user_config (WattUserConfigFunc fn);
/*
* Bypass standard handling of DHCP transient configuration
*/
#include <sys/packon.h>
struct DHCP_config {
DWORD my_ip;
DWORD netmask;
DWORD gateway;
DWORD nameserver;
DWORD server;
DWORD iplease;
DWORD renewal;
DWORD rebind;
DWORD tcp_keep_intvl;
BYTE default_ttl;
char hostname [MAX_HOSTLEN+1];
char domain [MAX_HOSTLEN+1];
char loghost [MAX_HOSTLEN+1]; /* Only used if USE_BSD_FUNC defined */
};
#include <sys/packoff.h>
enum DHCP_config_op {
DHCP_OP_READ = 0,
DHCP_OP_WRITE = 1,
DHCP_OP_ERASE = 2
};
typedef int (*WattDHCPConfigFunc) (enum DHCP_config_op op,
struct DHCP_config *cfg);
W32_FUNC WattDHCPConfigFunc dhcp_set_config_func (WattDHCPConfigFunc fn);
/*
* Various function-pointer hooks etc.
*/
W32_DATA int (MS_CDECL *_printf) (const char *, ...);
W32_DATA void (*_outch) (char c);
W32_DATA int (*_resolve_hook) (void);
W32_DATA void (*wintr_chain) (void);
W32_DATA int (*tftp_writer) (const void *buf, unsigned length);
W32_DATA int (*tftp_terminator) (void);
W32_FUNC void outs (const char *s);
W32_FUNC void outsnl (const char *s);
W32_FUNC void outsn (const char *s, int n);
W32_FUNC void outhexes(const char *s, int n);
W32_FUNC void outhex (char ch);
W32_FUNC int wintr_enable (void);
W32_FUNC void wintr_disable (void);
W32_FUNC void wintr_shutdown (void);
W32_FUNC void wintr_init (void);
W32_FUNC int _ping (DWORD host, DWORD num, const BYTE *pattern, long len);
W32_FUNC DWORD _chk_ping (DWORD host, DWORD *ping_num);
W32_FUNC int _eth_init (void);
W32_FUNC void _eth_release (void);
W32_FUNC void *_eth_formatpacket (const void *eth_dest, WORD eth_type);
W32_FUNC void _eth_free (const void *buf);
W32_FUNC void *_eth_arrived (WORD *type, BOOL *brdcast);
W32_FUNC int _eth_send (WORD len, const void *sock, const char *file, unsigned line);
W32_FUNC int _eth_set_addr (const void *addr);
W32_FUNC BYTE _eth_get_hwtype (BYTE *hwtype, BYTE *hwlen);
W32_DATA void *(*_eth_recv_hook) (WORD *type);
W32_DATA int (*_eth_recv_peek) (void *mac_buf);
W32_DATA int (*_eth_xmit_hook) (const void *buf, unsigned len);
W32_FUNC WORD in_checksum (const void *buf, unsigned len);
#define inchksum(buf,len) in_checksum(buf, len)
/*
* BSD-socket similarities.
* Refer <sys/socket.h> for the real thing.
*/
#if !defined(WATT32_BUILD)
struct watt_sockaddr { /* for _getpeername, _getsockname */
WORD s_type;
WORD s_port;
DWORD s_ip;
BYTE s_spares[6]; /* unused */
};
W32_FUNC DWORD _gethostid (void);
W32_FUNC DWORD _sethostid (DWORD ip);
W32_FUNC int _getsockname (const void *s, void *dest, int *len);
W32_FUNC int _getpeername (const void *s, void *dest, int *len);
W32_FUNC int _chk_socket (const void *s);
W32_FUNC void psocket (const void *s);
#endif
W32_FUNC char *_inet_ntoa (char *s, DWORD x);
W32_FUNC DWORD _inet_addr (const char *name);
W32_FUNC BOOL _arp_register (DWORD use, DWORD instead_of);
W32_FUNC BOOL _arp_resolve (DWORD ina, eth_address *res);
W32_FUNC int addwattcpd (VoidProc p);
W32_FUNC int delwattcpd (VoidProc p);
W32_FUNC void _sock_debug_on (void);
W32_FUNC void _sock_debug_off (void);
#if !defined(WATT32_BUILD)
W32_FUNC const char *sockerr (const void *s); /* UDP / TCP */
W32_FUNC void sockerr_clear (void *s); /* UDP / TCP */
W32_FUNC const char *sockstate (const void *s); /* UDP / TCP / Raw */
/*
* Reduce internal states to "user-easy" states, GvB 2002-09
*/
enum TCP_SIMPLE_STATE {
TCP_CLOSED,
TCP_LISTENING,
TCP_OPENING,
TCP_OPEN,
TCP_CLOSING
};
W32_FUNC enum TCP_SIMPLE_STATE tcp_simple_state (const tcp_Socket *s);
#endif /* WATT32_BUILD */
/*
* BSD functions for read/write/select
*/
W32_FUNC int close_s (int s);
W32_FUNC int write_s (int s, const char *buf, int nbyte);
W32_FUNC int read_s (int s, char *buf, int nbyte);
W32_FUNC int writev_s (int s, const struct iovec *vector, size_t count);
W32_FUNC int readv_s (int s, const struct iovec *vector, size_t count);
W32_FUNC const sock_type *__get_sock_from_s (int s, int proto);
/* Use 'IPPROTO_x' for proto */
W32_FUNC int select_s (int num_sockets,
fd_set *read_events,
fd_set *write_events,
fd_set *except_events,
struct timeval *timeout);
/* The only BSD/Winsock replacement in this file.
* Normally belongs in djgpp's <unistd.h>.
*/
#ifndef __DJGPP__
W32_FUNC int W32_CALL select (int num_sockets,
fd_set *read_events,
fd_set *write_events,
fd_set *except_events,
struct timeval *timeout);
#endif
/* Duplicated from <sys/socket.h>
*/
W32_FUNC int W32_CALL gethostname (char *name, int len);
/*
* Multicast stuff (if built with `USE_MULTICAST')
*/
W32_DATA int _multicast_on;
W32_FUNC int join_mcast_group (DWORD ip);
W32_FUNC int leave_mcast_group (DWORD ip);
W32_FUNC int _ip4_is_multicast (DWORD ip);
W32_FUNC int multi_to_eth (DWORD ip, eth_address *eth);
W32_FUNC int udp_SetTTL (udp_Socket *s, BYTE ttl);
/*
* Commandline parsing
*/
#if defined(__DJGPP__)
#include <unistd.h>
#elif defined(__MINGW32__)
#include <getopt.h>
#elif !defined(_GETOPT_H) /* not using a local getopt.c */
#define optarg W32_NAMESPACE (optarg)
#define optind W32_NAMESPACE (optind)
#define opterr W32_NAMESPACE (opterr)
#define optopt W32_NAMESPACE (optopt)
#define optswchar W32_NAMESPACE (optswchar)
#define optmode W32_NAMESPACE (optmode)
#define getopt W32_NAMESPACE (getopt)
W32_DATA char *optarg; /* argument of current option */
W32_DATA int optind; /* index of next argument; default=0: initialize */
W32_DATA int opterr; /* 0=disable error messages; default=1: enable */
W32_DATA int optopt; /* option char returned from getopt() */
W32_DATA char *optswchar; /* characters introducing options; default="-" */
W32_DATA enum _optmode {
GETOPT_UNIX, /* options at start of argument list (default) */
GETOPT_ANY, /* move non-options to the end */
GETOPT_KEEP, /* return options in order */
} optmode;
W32_FUNC int getopt (int argc, char *const *argv, const char *opt_str);
#endif
/*
* Statistics printing
*/
W32_FUNC void print_mac_stats (void);
W32_FUNC void print_pkt_stats (void);
W32_FUNC void print_vjc_stats (void);
W32_FUNC void print_arp_stats (void);
W32_FUNC void print_pppoe_stats(void);
W32_FUNC void print_ip4_stats (void);
W32_FUNC void print_ip6_stats (void);
W32_FUNC void print_icmp_stats (void);
W32_FUNC void print_igmp_stats (void);
W32_FUNC void print_udp_stats (void);
W32_FUNC void print_tcp_stats (void);
W32_FUNC void print_all_stats (void);
W32_FUNC void reset_stats (void);
#if !defined(WATT32_BUILD)
W32_FUNC int sock_stats (void *s, DWORD *days, WORD *inactive,
WORD *cwindow, DWORD *avg, DWORD *sd);
#endif
/*
* Controlling timer interrupt handler for background processing.
* Not recommended, little tested
*/
W32_FUNC void backgroundon (void);
W32_FUNC void backgroundoff (void);
W32_FUNC void backgroundfn (VoidProc func);
/*
* Misc functions
*/
#if !defined(__DJGPP__) && !(defined(__WATCOMC__) && (__WATCOMC__ >= 1240))
#define ffs W32_NAMESPACE (ffs)
W32_FUNC int ffs (int mask);
#endif
#if defined (__HIGHC__)
W32_FUNC int system (const char *cmd);
pragma Alias (system, "_mw_watt_system");
#endif
W32_FUNC unsigned Random (unsigned a, unsigned b);
/*
* Tracing to RS-232 serial port, by Gundolf von Bachhaus <GBachhaus@gmx.net>
* Watt-32 library must be compiled with `USE_RS232_DBG' (see .\src\config.h)
*/
W32_FUNC int trace2com_init (WORD portAddress, DWORD baudRate);
W32_FUNC int MS_CDECL __trace2com (const char *fmt, ...)
#if defined(__GNUC__)
__attribute__((format(printf,1,2)))
#endif
;
#ifdef __cplusplus
}
#endif
#endif /* RC_INVOKED */
#endif /* __WATT_TCP_H */