src/lxc/lxc_start.c

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * (C) Copyright IBM Corp. 2007, 2008
   5  *
   6  * Authors:
   7  * Daniel Lezcano <dlezcano at fr.ibm.com>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23 #include <stdio.h>
  24 #include <libgen.h>
  25 #include <unistd.h>
  26 #include <string.h>
  27 #include <termios.h>
  28 #include <errno.h>
  29 #include <sys/param.h>
  30 #include <sys/utsname.h>
  31 #include <sys/types.h>
  32 #include <sys/socket.h>
  33 #include <arpa/inet.h>
  34 #include <netinet/in.h>
  35 #include <net/if.h>
  36
  37 #include <lxc/lxc.h>
  38 #include <lxc/log.h>
  39 #include "arguments.h"
  40
  41 lxc_log_define(lxc_start, lxc);
  42
  43 static const struct option my_longopts[] = {
  44         LXC_COMMON_OPTIONS
  45 };
  46
  47 static struct lxc_arguments my_args = {
  48         .progname = "lxc-start",
  49         .help     = "\
  50 --name=NAME -- COMMAND\n\
  51 \n\
  52 lxc-start start COMMAND in specified container NAME\n\
  53 \n\
  54 Options :\n\
  55   -n, --name=NAME      NAME for name of the container",
  56         .options  = my_longopts,
  57         .parser   = NULL,
  58         .checker  = NULL,
  59 };
  60
  61 int main(int argc, char *argv[])
  62 {
  63         char *const *args;
  64         int err = -1;
  65         struct termios tios;
  66
  67         char *const default_args[] = {
  68                 "/sbin/init",
  69                 '\0',
  70         };
  71
  72         if (lxc_arguments_parse(&my_args, argc, argv))
  73                 return err;
  74
  75         if (!my_args.argc)
  76                 args = default_args;
  77         else
  78                 args = my_args.argv;
  79
  80         if (lxc_log_init(my_args.log_file, my_args.log_priority,
  81                          my_args.progname, my_args.quiet))
  82                 return err;
  83
  84         if (tcgetattr(0, &tios)) {
  85                 ERROR("failed to get current terminal settings : %s",
  86                       strerror(errno));
  87                 return err;
  88         }
  89
  90         err = lxc_start(my_args.name, args);
  91
  92         if (tcsetattr(0, TCSAFLUSH, &tios))
  93                 ERROR("failed to restore terminal settings : %s",
  94                       strerror(errno));
  95
  96         return err;
  97 }
  98