104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
/*
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* Written by Eivind Eklund <eivind@yes.no>
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* for Yes Interactive
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*
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* Copyright (C) 1998, Yes Interactive. All rights reserved.
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*
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* Redistribution and use in any form is permitted. Redistribution in
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* source form should include the above copyright and this set of
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* conditions, because large sections american law seems to have been
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* created by a bunch of jerks on drugs that are now illegal, forcing
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* me to include this copyright-stuff instead of placing this in the
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* public domain. The name of of 'Yes Interactive' or 'Eivind Eklund'
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: physical.h,v 1.1.2.21 1998/04/10 23:51:33 brian Exp $
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*
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*/
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struct bundle;
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struct physical {
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struct link link;
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struct descriptor desc;
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int type; /* What sort of link are we ? */
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struct async async; /* Our async state */
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struct hdlc hdlc; /* Our hdlc state */
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int fd; /* File descriptor for this device */
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int mbits; /* Current DCD status */
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unsigned dev_is_modem : 1; /* Is the device an actual modem?
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Faked for sync devices, though...
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(Possibly this should be
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dev_is_not_tcp?) XXX-ML */
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struct mbuf *out; /* mbuf that suffered a short write */
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int connect_count;
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struct datalink *dl; /* my owner */
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struct {
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char full[40];
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char *base;
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} name;
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unsigned Utmp : 1; /* Are we in utmp ? */
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/* XXX-ML Most of the below is device specific, and probably do not
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belong in the generic physical struct. It comes from modem.c. */
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struct {
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unsigned rts_cts : 1; /* Is rts/cts enabled? */
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unsigned parity; /* What parity is enabled? (TTY flags) */
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unsigned speed; /* Modem speed */
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char devlist[LINE_LEN]; /* Comma-separated list of devices */
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} cfg;
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struct termios ios; /* To be able to reset from raw mode */
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struct pppTimer Timer; /* CD checks */
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};
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#define field2phys(fp, name) \
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((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name)))
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#define physical2link(p) (&(p)->link)
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#define link2physical(l) \
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((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL)
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#define physical2descriptor(p) (&(p)->desc)
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#define descriptor2physical(d) \
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((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL)
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int Physical_GetFD(struct physical *);
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int Physical_IsATTY(struct physical *);
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int Physical_IsSync(struct physical *);
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const char *Physical_GetDevice(struct physical *);
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void Physical_SetDeviceList(struct physical *, int, const char *const *);
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int /* Was this speed OK? */
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Physical_SetSpeed(struct physical *, int);
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/* XXX-ML I'm not certain this is the right way to handle this, but we
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can solve that later. */
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void Physical_SetSync(struct physical *);
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int /* Can this be set? (Might not be a relevant attribute for this
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device, for instance) */
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Physical_SetRtsCts(struct physical *, int);
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void Physical_DupAndClose(struct physical *);
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ssize_t Physical_Read(struct physical *, void *, size_t);
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ssize_t Physical_Write(struct physical *, const void *, size_t);
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int Physical_UpdateSet(struct descriptor *, fd_set *, fd_set *, fd_set *,
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int *, int);
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int Physical_IsSet(struct descriptor *, const fd_set *);
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void Physical_DescriptorWrite(struct descriptor *, struct bundle *,
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const fd_set *);
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void Physical_Login(struct physical *, const char *);
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void Physical_Logout(struct physical *);
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