72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/* $Id$
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******************************************************************************
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Fax program for ISDN.
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Handle all communications over a pseudo-tty (pty) to emulate a modem.
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Copyright (C) 1999 Morten Rolland [Morten.Rolland@asker.mail.telia.com]
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Copyright (C) 1998 Andreas Beck [becka@ggi-project.org]
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************************
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*/
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#include <sys/types.h>
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#include <sys/timeb.h>
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#include <ifax/types.h>
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#ifndef _MISC_PTY_H
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#define _MISC_PTY_H
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#define PTY_BUFFERSIZE 512
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#define PTY_DEVNAME_SIZE 64
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struct PtyHandle {
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int ptyfd;
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struct timeb lastinput;
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enum {
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NO_LOGGING=0,
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LOG_ADVANCE_READ=1,
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LOG_SERVICE_READ=2,
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LOG_WRITE=4
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} debug;
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struct PtyBuffer {
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int wp, rp, size;
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ifax_uint8 buffer[PTY_BUFFERSIZE];
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} tx, rx;
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char device[PTY_DEVNAME_SIZE+2];
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};
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extern struct PtyHandle *pty_initialize(char *device);
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extern void pty_reset(struct PtyHandle *ph);
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extern int pty_write_max(struct PtyHandle *ph); /* How large write is OK */
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extern int pty_write_queued(struct PtyHandle *ph); /* Size of current queue */
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extern int pty_read_max(struct PtyHandle *ph); /* How large read is OK */extern void pty_write(struct PtyHandle *ph, void *buf, size_t size);
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extern void pty_prepare_select(struct PtyHandle *, int *,fd_set *, fd_set *);
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extern void pty_service_write(struct PtyHandle *ph);
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extern void pty_service_read(struct PtyHandle *ph);
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extern void pty_readbuffer(struct PtyHandle *ph, ifax_uint8 **buf, size_t *sz);
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extern void pty_advance(struct PtyHandle *ph, size_t size);
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extern void pty_printf(struct PtyHandle *ph, char *format, ... );
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#endif
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