1 /* 2 * Written by Eivind Eklund <eivind@yes.no> 3 * for Yes Interactive 4 * 5 * Copyright (C) 1998, Yes Interactive. All rights reserved. 6 * 7 * Redistribution and use in any form is permitted. Redistribution in 8 * source form should include the above copyright and this set of 9 * conditions, because large sections american law seems to have been 10 * created by a bunch of jerks on drugs that are now illegal, forcing 11 * me to include this copyright-stuff instead of placing this in the 12 * public domain. The name of of 'Yes Interactive' or 'Eivind Eklund' 13 * may not be used to endorse or promote products derived from this 14 * software without specific prior written permission. 15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 18 * 19 * $Id: physical.h,v 1.3 1998/05/29 18:33:10 brian Exp $ 20 * 21 */ 22 23 struct bundle; 24 25 struct physical { 26 struct link link; 27 struct descriptor desc; 28 int type; /* What sort of PHYS_* link are we ? */ 29 struct async async; /* Our async state */ 30 struct hdlc hdlc; /* Our hdlc state */ 31 int fd; /* File descriptor for this device */ 32 int mbits; /* Current DCD status */ 33 unsigned dev_is_modem : 1; /* Is the device an actual modem? 34 Faked for sync devices, though... 35 (Possibly this should be 36 dev_is_not_tcp?) XXX-ML */ 37 38 struct mbuf *out; /* mbuf that suffered a short write */ 39 int connect_count; 40 struct datalink *dl; /* my owner */ 41 42 struct { 43 char full[40]; 44 char *base; 45 } name; 46 47 unsigned Utmp : 1; /* Are we in utmp ? */ 48 pid_t session_owner; /* HUP this when closing the link */ 49 50 /* XXX-ML Most of the below is device specific, and probably do not 51 belong in the generic physical struct. It comes from modem.c. */ 52 53 struct { 54 unsigned rts_cts : 1; /* Is rts/cts enabled? */ 55 unsigned parity; /* What parity is enabled? (TTY flags) */ 56 unsigned speed; /* Modem speed */ 57 char devlist[LINE_LEN]; /* Comma-separated list of devices */ 58 } cfg; 59 60 struct termios ios; /* To be able to reset from raw mode */ 61 62 struct pppTimer Timer; /* CD checks */ 63 }; 64 65 #define field2phys(fp, name) \ 66 ((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name))) 67 68 #define link2physical(l) \ 69 ((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL) 70 71 #define descriptor2physical(d) \ 72 ((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL) 73 74 extern int physical_GetFD(struct physical *); 75 extern int physical_IsATTY(struct physical *); 76 extern int physical_IsSync(struct physical *); 77 extern const char *physical_GetDevice(struct physical *); 78 extern void physical_SetDeviceList(struct physical *, int, const char *const *); 79 extern int physical_SetSpeed(struct physical *, int); 80 81 /* 82 * XXX-ML I'm not certain this is the right way to handle this, but we 83 * can solve that later. 84 */ 85 extern void physical_SetSync(struct physical *); 86 87 /* 88 * Can this be set? (Might not be a relevant attribute for this 89 * device, for instance) 90 */ 91 extern int physical_SetRtsCts(struct physical *, int); 92 93 extern ssize_t physical_Read(struct physical *, void *, size_t); 94 extern ssize_t physical_Write(struct physical *, const void *, size_t); 95 extern int physical_UpdateSet(struct descriptor *, fd_set *, fd_set *, 96 fd_set *, int *, int); 97 extern int physical_IsSet(struct descriptor *, const fd_set *); 98 extern void physical_Login(struct physical *, const char *); 99 extern void physical_Logout(struct physical *); 100 extern int physical_RemoveFromSet(struct physical *, fd_set *, fd_set *, 101 fd_set *); 102 extern int physical_SetMode(struct physical *, int); 103 extern void physical_DeleteQueue(struct physical *); 104