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 1.1.2.18 1998/04/03 19:21:50 brian Exp $ 20 * 21 */ 22 23 struct bundle; 24 25 struct physical { 26 struct link link; 27 struct descriptor desc; 28 struct async async; /* Our async state */ 29 struct hdlc hdlc; /* Our hdlc state */ 30 int fd; /* File descriptor for this device */ 31 int mbits; /* Current DCD status */ 32 unsigned dev_is_modem : 1; /* Is the device an actual modem? 33 Faked for sync devices, though... 34 (Possibly this should be 35 dev_is_not_tcp?) XXX-ML */ 36 37 struct mbuf *out; /* mbuf that suffered a short write */ 38 int connect_count; 39 struct datalink *dl; /* my owner */ 40 41 struct { 42 char full[40]; 43 char *base; 44 } name; 45 46 unsigned Utmp : 1; /* Are we in utmp ? */ 47 48 /* XXX-ML Most of the below is device specific, and probably do not 49 belong in the generic physical struct. It comes from modem.c. */ 50 51 struct { 52 unsigned is_dedicated : 1; /* Dedicated mode? XXX-ML - not yet used */ 53 unsigned is_direct : 1; /* Direct mode? XXX-ML - not yet used */ 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 63 #define field2phys(fp, name) \ 64 ((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name))) 65 66 #define physical2link(p) (&(p)->link) 67 #define link2physical(l) \ 68 ((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL) 69 70 #define physical2descriptor(p) (&(p)->desc) 71 #define descriptor2physical(d) \ 72 ((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL) 73 74 int Physical_GetFD(struct physical *); 75 int Physical_IsATTY(struct physical *); 76 int Physical_IsSync(struct physical *); 77 int Physical_IsDedicated(struct physical *); 78 int Physical_IsDirect(struct physical *); 79 const char *Physical_GetDevice(struct physical *); 80 81 82 void Physical_SetDeviceList(struct physical *, const char *); 83 int /* Was this speed OK? */ 84 Physical_SetSpeed(struct physical *, int); 85 86 /* XXX-ML I'm not certain this is the right way to handle this, but we 87 can solve that later. */ 88 void Physical_SetSync(struct physical *); 89 90 int /* Can this be set? (Might not be a relevant attribute for this 91 device, for instance) */ 92 Physical_SetRtsCts(struct physical *, int); 93 94 void Physical_SetDedicated(struct physical *, int); 95 void Physical_SetDirect(struct physical *, int); 96 97 void Physical_FD_SET(struct physical *, fd_set *); 98 int Physical_FD_ISSET(struct physical *, fd_set *); 99 100 void Physical_DupAndClose(struct physical *); 101 ssize_t Physical_Read(struct physical *, void *, size_t); 102 ssize_t Physical_Write(struct physical *, const void *, size_t); 103 int Physical_UpdateSet(struct descriptor *, fd_set *, fd_set *, fd_set *, 104 int *, int); 105 int Physical_IsSet(struct descriptor *, const fd_set *); 106 void Physical_DescriptorWrite(struct descriptor *, struct bundle *, 107 const fd_set *); 108 109 void Physical_Login(struct physical *, const char *); 110 void Physical_Logout(struct physical *); 111