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/*
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd 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 GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include "term.h"
#include <hurd.h>
#include <fcntl.h>
#include <hurd/trivfs.h>
#include <stdio.h>
#include <hurd/fsys.h>
#include <string.h>
int trivfs_fstype = FSTYPE_TERM;
int trivfs_fsid = 0; /* pid?? */
int trivfs_support_read = 1;
int trivfs_support_write = 1;
int trivfs_support_exec = 0;
int trivfs_allow_open = O_READ|O_WRITE;
struct port_class *trivfs_protid_portclasses[2];
struct port_class *trivfs_cntl_portclasses[2];
int trivfs_protid_nportclasses = 2;
int trivfs_cntl_nportclasses = 2;
int
demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
extern int term_server (mach_msg_header_t *, mach_msg_header_t *);
extern int tioctl_server (mach_msg_header_t *, mach_msg_header_t *);
extern int device_reply_server (mach_msg_header_t *, mach_msg_header_t *);
return (trivfs_demuxer (inp, outp)
|| term_server (inp, outp)
|| tioctl_server (inp, outp)
|| device_reply_server (inp, outp));
}
int
main (int argc, char **argv)
{
struct port_class *ourclass, *ourcntlclass;
struct port_class *peerclass, *peercntlclass;
struct trivfs_control **ourcntl, **peercntl;
mach_port_t bootstrap;
enum {T_DEVICE, T_PTYMASTER, T_PTYSLAVE} type;
term_bucket = ports_create_bucket ();
tty_cntl_class = ports_create_class (trivfs_clean_cntl, 0);
pty_cntl_class = ports_create_class (trivfs_clean_cntl, 0);
tty_class = ports_create_class (trivfs_clean_protid, 0);
pty_class = ports_create_class (trivfs_clean_protid, 0);
cttyid_class = ports_create_class (0, 0);
trivfs_protid_portclasses[0] = tty_class;
trivfs_protid_portclasses[1] = pty_class;
trivfs_cntl_portclasses[0] = tty_cntl_class;
trivfs_cntl_portclasses[1] = pty_cntl_class;
init_users ();
task_get_bootstrap_port (mach_task_self (), &bootstrap);
if (argc != 4)
{
fprintf (stderr, "Usage: term ttyname type arg\n");
exit (1);
}
if (!strcmp (argv[2], "device"))
{
type = T_DEVICE;
bottom = &devio_bottom;
ourclass = tty_class;
ourcntlclass = tty_cntl_class;
ourcntl = &termctl;
peerclass = 0;
peercntlclass = 0;
peercntl = 0;
pterm_name = argv[3];
}
else if (!strcmp (argv[2], "pty-master"))
{
type = T_PTYMASTER;
bottom = &ptyio_bottom;
ourclass = pty_class;
ourcntlclass = pty_cntl_class;
ourcntl = &ptyctl;
peerclass = tty_class;
peercntlclass = tty_cntl_class;
peercntl = &termctl;
}
else if (!strcmp (argv[2], "pty-slave"))
{
type = T_PTYSLAVE;
bottom = &ptyio_bottom;
ourclass = tty_class;
ourcntlclass = tty_cntl_class;
ourcntl = &termctl;
peerclass = pty_class;
peercntlclass = pty_cntl_class;
peercntl = &ptyctl;
}
else
{
fprintf (stderr,
"Allowable types are device, pty-master, and pty-slave.\n");
exit (1);
}
if (bootstrap == MACH_PORT_NULL)
{
fprintf (stderr, "Must be started as a translator\n");
exit (1);
}
/* Set our node */
errno = trivfs_startup (bootstrap, 0,
ourcntlclass, term_bucket, ourclass, term_bucket,
ourcntl);
if (errno)
{
perror ("Starting translator");
exit (1);
}
/* For ptys, the nodename depends on which half is used. For now just use
the hook to store the nodename. */
(*ourcntl)->hook = argv[1];
/* Set peer */
if (peerclass)
{
char *peer_name = argv[3];
file_t file = file_name_lookup (peer_name, O_CREAT|O_NOTRANS, 0666);
if (file != MACH_PORT_NULL)
errno = 0;
if (! errno)
errno = trivfs_create_control (file, peercntlclass, term_bucket,
peerclass, term_bucket, peercntl);
if (! errno)
errno = file_set_translator (file, 0, FS_TRANS_EXCL | FS_TRANS_SET,
0, 0, 0,
ports_get_right (*peercntl),
MACH_MSG_TYPE_MAKE_SEND);
if (errno)
{
perror (peer_name);
exit (1);
}
(*peercntl)->hook = peer_name;
ports_port_deref (*peercntl);
}
bzero (&termstate, sizeof (termstate));
termflags = NO_CARRIER | NO_OWNER;
mutex_init (&global_lock);
term_owner = term_group = 0;
term_mode = (bottom == &ptyio_bottom ? 0666 : 0600) | S_IFCHR | S_IROOT;
inputq = create_queue (256, QUEUE_LOWAT, QUEUE_HIWAT);
rawq = create_queue (256, QUEUE_LOWAT, QUEUE_HIWAT);
outputq = create_queue (256, QUEUE_LOWAT, QUEUE_HIWAT);
if (bottom == &ptyio_bottom)
ptyio_init ();
condition_init (&carrier_alert);
condition_init (&select_alert);
condition_implies (inputq->wait, &select_alert);
condition_implies (outputq->wait, &select_alert);
/* Launch */
ports_manage_port_operations_multithread (term_bucket, demuxer, 0, 0,
0, MACH_PORT_NULL);
return 0;
}
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