src/lxc/arguments.h

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * (C) Copyright IBM Corp. 2007, 2008
   5  *
   6  * Authors:
   7  * Daniel Lezcano <daniel.lezcano at free.fr>
   8  * Michel Normand <normand at fr.ibm.com>
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  23  */
  24 #ifndef __LXC_ARGUMENTS_H
  25 #define __LXC_ARGUMENTS_H
  26
  27 #include <getopt.h>
  28 #include <stdint.h>
  29
  30 struct lxc_arguments;
  31
  32 typedef int (*lxc_arguments_parser_t) (struct lxc_arguments *, int, char*);
  33 typedef int (*lxc_arguments_checker_t) (const struct lxc_arguments *);
  34
  35 struct lxc_arguments {
  36         const char *help;
  37         void(*helpfn)(const struct lxc_arguments *);
  38         const char *progname;
  39         const struct option* options;
  40         lxc_arguments_parser_t parser;
  41         lxc_arguments_checker_t checker;
  42
  43         const char *name;
  44         char *log_file;
  45         char *log_priority;
  46         int quiet;
  47         int daemonize;
  48         const char *rcfile;
  49         const char *console;
  50         const char *console_log;
  51         const char *pidfile;
  52         const char **lxcpath;
  53         int lxcpath_cnt;
  54         /* set to 0 to accept only 1 lxcpath, -1 for unlimited */
  55         int lxcpath_additional;
  56
  57         /* for lxc-start */
  58         const char *share_ns[32]; // size must be greater than LXC_NS_MAX
  59
  60         /* for lxc-console */
  61         int ttynum;
  62         char escape;
  63
  64         /* for lxc-wait */
  65         char *states;
  66         long timeout;
  67
  68         /* for lxc-autostart */
  69         int shutdown;
  70
  71         /* for lxc-stop */
  72         int hardstop;
  73         int nokill;
  74         int nolock;
  75         int nowait;
  76         int reboot;
  77
  78         /* for lxc-destroy */
  79         int force;
  80
  81         /* close fds from parent? */
  82         int close_all_fds;
  83
  84         /* lxc-create */
  85         char *bdevtype, *configfile, *template;
  86         char *fstype;
  87         uint64_t fssize;
  88         char *lvname, *vgname, *thinpool;
  89         char *zfsroot, *lowerdir, *dir;
  90
  91         /* auto-start */
  92         int all;
  93         int ignore_auto;
  94         int list;
  95         char *groups;
  96
  97         /* remaining arguments */
  98         char *const *argv;
  99         int argc;
 100
 101         /* private arguments */
 102         void *data;
 103 };
 104
 105 #define LXC_COMMON_OPTIONS \
 106         {"name", required_argument, 0, 'n'}, \
 107         {"help", no_argument, 0, 'h'}, \
 108         {"usage", no_argument,  0, OPT_USAGE}, \
 109         {"version", no_argument,        0, OPT_VERSION}, \
 110         {"quiet", no_argument,  0, 'q'}, \
 111         {"logfile", required_argument, 0, 'o'}, \
 112         {"logpriority", required_argument, 0, 'l'}, \
 113         {"lxcpath", required_argument, 0, 'P'}, \
 114         {0, 0, 0, 0}
 115
 116 /* option keys for long only options */
 117 #define OPT_USAGE 0x1000
 118 #define OPT_VERSION OPT_USAGE-1
 119
 120 extern int lxc_arguments_parse(struct lxc_arguments *args,
 121                                int argc, char *const argv[]);
 122
 123 extern int lxc_arguments_str_to_int(struct lxc_arguments *args, const char *str);
 124
 125 extern const char *lxc_strerror(int errnum);
 126
 127 #define lxc_error(arg, fmt, args...) if (!(arg)->quiet)                 \
 128         fprintf(stderr, "%s: " fmt "\n", (arg)->progname,  ## args)
 129
 130 #endif