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/* A server for local sockets, of type PF_LOCAL
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program 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.
This program 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <getopt.h>
#include <error.h>
#include <sys/stat.h>
#include <hurd/hurd_types.h>
#include <hurd/trivfs.h>
#include "sock.h"
/* Where to put the file-system ports. */
static struct port_bucket *pf_port_bucket;
/* Trivfs hooks */
int trivfs_fstype = FSTYPE_MISC;
int trivfs_fsid = 0;
int trivfs_support_read = 0;
int trivfs_support_write = 0;
int trivfs_support_exec = 0;
int trivfs_allow_open = 0;
/* Trivfs noise. */
struct port_class *trivfs_protid_portclasses[1];
struct port_class *trivfs_cntl_portclasses[1];
int trivfs_protid_nportclasses = 1;
int trivfs_cntl_nportclasses = 1;
/* ---------------------------------------------------------------- */
#define USAGE "Usage: %s\n"
static void
usage(int status)
{
if (status != 0)
fprintf(stderr, "Try `%s --help' for more information.\n",
program_invocation_name);
else
{
printf(USAGE, program_invocation_name);
}
exit(status);
}
#define SHORT_OPTIONS "D&"
static struct option options[] =
{
{"debug", no_argument, 0, 'D'},
{"help", no_argument, 0, '&'},
{0, 0, 0, 0}
};
/* ---------------------------------------------------------------- */
/* A demuxer to separate out pf-level operations on our node. */
static int
pf_demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
extern int socket_server (mach_msg_header_t *inp, mach_msg_header_t *outp);
return socket_server (inp, outp) || trivfs_demuxer (inp, outp);
}
int debug_flag = 0;
spin_lock_t debug_lock = SPIN_LOCK_INITIALIZER;
void main(int argc, char *argv[])
{
int opt;
error_t err;
mach_port_t bootstrap;
while ((opt = getopt_long(argc, argv, SHORT_OPTIONS, options, 0)) != EOF)
switch (opt)
{
case 'D': debug_flag = 1; break;
case '&': usage(0);
default: usage(1);
}
if (argv[optind] != NULL)
{
fprintf(stderr, USAGE, program_invocation_name);
usage(1);
}
task_get_bootstrap_port (mach_task_self (), &bootstrap);
if (bootstrap == MACH_PORT_NULL)
error(2, 0, "Must be started as a translator");
pf_port_bucket = ports_create_bucket ();
trivfs_cntl_portclasses[0] = ports_create_class (trivfs_clean_cntl, 0);
trivfs_protid_portclasses[0] = ports_create_class (trivfs_clean_protid, 0);
/* Prepare to create sockets. */
err = sock_global_init ();
if (err)
error(3, err, "Initializing");
/* Reply to our parent */
err =
trivfs_startup(bootstrap,
trivfs_cntl_portclasses[0], pf_port_bucket,
trivfs_protid_portclasses[0], pf_port_bucket,
NULL);
if (err)
error(3, err, "Contacting parent");
/* Launch. */
do
ports_manage_port_operations_multithread (pf_port_bucket,
pf_demuxer,
30*1000, 5*60*1000, 0, 0);
while (sock_global_shutdown () != 0);
exit(0);
}
void
trivfs_modify_stat (struct stat *st)
{
st->st_fstype = FSTYPE_MISC;
}
error_t
trivfs_goaway (int flags, mach_port_t realnode,
struct port_class *fsys_port_class,
struct port_class *file_port_class)
{
error_t err;
/* Stop all I/O. */
ports_inhibit_bucket_rpcs (pf_port_bucket);
/* Now see if there are any old sockets lying around. */
err = sock_global_shutdown ();
/* Exit if not, or if we must. */
if (err == 0 || flags & FSYS_GOAWAY_FORCE)
exit (0);
/* We won't go away, so start things going again... */
ports_resume_bucket_rpcs (pf_port_bucket);
return err;
}
void
thread_cancel (thread_t foo __attribute__ ((unused)))
{
}
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