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/* procfs -- a translator for providing GNU/Linux compatible
proc pseudo-filesystem
procfs.c -- This file is the main file of the translator.
This has important definitions and initializes
the translator
Copyright (C) 2008, FSF.
Written as a Summer of Code Project
procfs 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.
procfs 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 <stdio.h>
#include <argp.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <error.h>
#include <sys/stat.h>
#include <hurd/netfs.h>
#include "procfs.h"
/* Defines this Tanslator Name */
char *netfs_server_name = PROCFS_SERVER_NAME;
char *netfs_server_version = PROCFS_SERVER_VERSION;
int netfs_maxsymlinks = 12;
static const struct argp_child argp_children[] =
{
{&netfs_std_startup_argp, 0, NULL, 0},
{0}
};
const char *argp_program_version = "/proc pseudo-filesystem (" PROCFS_SERVER_NAME
") " PROCFS_SERVER_VERSION "\n"
"Copyright (C) 2008 Free Software Foundation\n"
"This is free software; see the source for copying conditions. There is NO\n"
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
"\n";
static char *args_doc = "PROCFSROOT";
static char *doc = "proc pseudo-filesystem for Hurd implemented as a translator. "
"This is still under very humble and initial stages of development.\n"
"Any Contribution or help is welcome. The code may not even compile";
/* The Filesystem */
struct procfs *procfs;
/* The FILESYSTEM component of PROCFS_FS. */
char *procfs_root = "";
volatile struct mapped_time_value *procfs_maptime;
/* Startup options. */
static const struct argp_option procfs_options[] =
{
{ 0 }
};
/* argp parser function for parsing single procfs command line options */
static error_t
parse_procfs_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case ARGP_KEY_ARG:
if (state->arg_num > 1)
argp_usage (state);
break;
case ARGP_KEY_NO_ARGS:
argp_usage(state);
break;
default:
return ARGP_ERR_UNKNOWN;
}
}
/* Program entry point. */
int
main (int argc, char **argv)
{
error_t err;
mach_port_t bootstrap, underlying_node;
struct stat underlying_stat;
struct argp argp =
{
procfs_options, parse_procfs_opt,
args_doc, doc, argp_children,
NULL, NULL
};
/* Parse the command line arguments */
// argp_parse (&argp, argc, argv, 0, 0, 0);
task_get_bootstrap_port (mach_task_self (), &bootstrap);
netfs_init ();
if (maptime_map (0, 0, &procfs_maptime))
{
perror (PROCFS_SERVER_NAME ": Cannot map time");
return 1;
}
procfs_init ();
err = procfs_create (procfs_root, getpid (), &procfs);
if (err)
error (4, err, "%s", procfs_root);
/* Create our root node */
netfs_root_node = procfs->root;
/* Start netfs activities */
underlying_node = netfs_startup (bootstrap, 0);
if (io_stat (underlying_node, &underlying_stat))
error (1, err, "cannot stat underling node");
/* Initialize stat information of the root node. */
netfs_root_node->nn_stat = underlying_stat;
netfs_root_node->nn_stat.st_mode =
S_IFDIR | (underlying_stat.st_mode & ~S_IFMT & ~S_ITRANS);
for (;;)
netfs_server_loop ();
return 1;
}
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