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/* This is part of um-ViewOS
* The user-mode implementation of OSVIEW -- A Process with a View
*
* umviewname.c
* uname extension to view-os (umview)
*
* Copyright 2005 Renzo Davoli University of Bologna - Italy
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* $Id: vuname.c 1062 2012-01-30 09:00:50Z rd235 $
*
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <config.h>
#include <um_lib.h>
void usage()
{
fprintf(stderr,
"Usage: vuname [OPTION]...\n"
"Print certain View-OS system information. With no OPTION, same as -s.\n"
"\n"
" -a, --all print all information, in the following order,\n"
" except omit -p and -i if unknown:\n"
" -s, --kernel-name print the kernel name\n"
" -n, --nodename print the network node hostname\n"
" -r, --kernel-release print the kernel release\n"
" -v, --kernel-version print the kernel version\n"
" -m, --machine print the machine hardware name\n"
" -p, --processor print the processor type or \"unknown\"\n"
" -i, --hardware-platform print the hardware platform or \"unknown\"\n"
" -o, --operating-system print the operating system\n"
" -U, --serverid print the server id\n"
" -V, --viewid print the view id\n"
" -N, --viewname print the view name\n"
"other options\n"
" -q, --quiet quiet mode: silent on errors\n"
" -x, --nouname do not use uname when outside View-OS\n"
" --help display this help and exit\n"
" --version output version information and exit\n"
"\n");
}
char flags[12];
int quiet;
int unameok=1;
struct viewinfo vi;
int main(int argc, char *argv[])
{
int c;
int i;
while (1) {
int option_index = 0;
static struct option long_options[] = {
{"all", 0, 0, 'a'},
{"kernel-name", 0, 0, 's'},
{"nodename",0,0,'n'},
{"kernel-release",0,0,'r'},
{"kernel-version",0,0,'v'},
{"machine",0,0,'m'},
{"processor",0,0,'p'},
{"hardware-platform",0,0,'i'},
{"operating-system",0,0,'o'},
{"serverid",0,0,'U'},
{"viewid",0,0,'V'},
{"viewname",0,0,'N'},
{"quiet",0,0,'q'},
{"nouname",0,0,'x'},
{"help",0,0,0x100},
{"version",0,0,0x101},
{0,0,0,0}
};
c=getopt_long(argc,argv,"asnrvmpioxqUVN",long_options,&option_index);
if (c == -1) break;
switch (c) {
case 'a': flags[0]=1; break;
case 's': flags[1]=1; break;
case 'n': flags[2]=1; break;
case 'r': flags[3]=1; break;
case 'v': flags[4]=1; break;
case 'm': flags[5]=1; break;
case 'p': flags[6]=1; break;
case 'i': flags[7]=1; break;
case 'o': flags[8]=1; break;
case 'U': flags[9]=1; break;
case 'V': flags[10]=1; break;
case 'N': flags[11]=1; break;
case 'q': quiet=1; break;
case 'x': unameok=0; break;
case 0x100:
usage();
exit(0);
break;
case 0x101:
printf("umviewname (View-OS project) 1.0\n"
"Copyright (C) 2007 View-OS Team - University of Bologna\n"
"This is free software. You may redistribute copies of it under the terms of\n"
"the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.\n"
"There is NO WARRANTY, to the extent permitted by law.\n"
"Written by Renzo Davoli\n");
exit(0);
break;
default:
usage();
exit(1);
}
}
if (argc - optind != 0) {
usage();
exit(1);
}
c=um_view_getinfo(&vi);
if (c<0) {
if (unameok)
c=uname(&vi.uname);
if (c<0) {
if (!quiet) perror("umviewname:");
exit (1);
}
} else
unameok=0;
for (c=i=0;i<12;i++)
c+=flags[i];
if (c) {
int n=0;
#define SPACE ((n++ == 0)?"":" ")
if(flags[0] || flags[1])
printf("%s%s",SPACE,vi.uname.sysname);
if(flags[0] || flags[2])
printf("%s%s",SPACE,vi.uname.nodename);
if(flags[0] || flags[3])
printf("%s%s",SPACE,vi.uname.release);
if(flags[0] || flags[4])
printf("%s%s",SPACE,vi.uname.version);
if(flags[0] || flags[5])
printf("%s%s",SPACE,vi.uname.machine);
if(flags[6])
printf("%s%s",SPACE,"unknown");
if(flags[7])
printf("%s%s",SPACE,"unknown");
if(flags[0] || flags[8]) {
if (unameok)
printf("%s%s",SPACE,"GNU/Linux");
else
printf("%s%s",SPACE,"GNU/Linux/View-OS");
}
if (!unameok) {
if(flags[0] || flags[9])
printf("%s%d",SPACE,vi.serverid);
if(flags[0] || flags[10])
printf("%s%lu",SPACE,vi.viewid);
if(flags[0] || flags[11])
printf("%s%s",SPACE,vi.viewname);
}
printf("\n");
} else {
printf("%s\n",vi.uname.sysname);
}
return 0;
}
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