src/liblxc/conf.h

   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 #ifndef _conf_h
  24 #define _conf_h
  25
  26 enum {
  27         VETH,
  28         MACVLAN,
  29         PHYS,
  30         MAXCONFTYPE,
  31 };
  32
  33 /*
  34  * Defines the structure to configure an ipv4 address
  35  * @address   : ipv4 address
  36  * @broadcast : ipv4 broadcast address
  37  * @mask      : network mask
  38  */
  39 struct inetdev {
  40         struct in_addr addr;
  41         struct in_addr bcast;
  42         int prefix;
  43 };
  44
  45 struct route {
  46         struct in_addr addr;
  47 };
  48
  49 /*
  50  * Defines the structure to configure an ipv6 address
  51  * @flags     : set the address up
  52  * @address   : ipv6 address
  53  * @broadcast : ipv6 broadcast address
  54  * @mask      : network mask
  55  */
  56 struct inet6dev {
  57         struct in6_addr addr;
  58         struct in6_addr bcast;
  59         struct in6_addr acast;
  60         int prefix;
  61 };
  62
  63 struct route6 {
  64         struct in6_addr addr;
  65 };
  66 /*
  67  * Defines a structure to configure a network device
  68  * @ifname : network device name
  69  * @flags  : flag of the network device (IFF_UP, ... )
  70  * @ipv4   : a list of ipv4 addresses to be set on the network device
  71  * @ipv6   : a list of ipv6 addresses to be set on the network device
  72  */
  73 struct netdev {
  74         int flags;
  75         char *ifname;
  76         char *newname;
  77         char *hwaddr;
  78         struct list ipv4;
  79         struct list ipv6;
  80         struct list route4;
  81         struct list route6;
  82 };
  83
  84 /*
  85  * Defines the kind of the network to use
  86  * @type : the type of the network virtualization
  87  * @phys : phys configuration type
  88  * @veth : veth configuration type
  89  * @macvlan : macvlan configuration type
  90  */
  91 struct network {
  92         int type;
  93         struct list netdev;
  94 };
  95
  96 /*
  97  * Defines a structure to configure the control data and path
  98  */
  99 struct cgroup {
 100         ;
 101 };
 102
 103 /*
 104  * Defines the global container configuration
 105  * @chroot  : the root directory to run the container
 106  * @mount   : the list of mount points
 107  * @network : the network configuration
 108  * @utsname : the container utsname
 109  */
 110 struct lxc_conf {
 111         char *chroot;
 112         char *fstab;
 113         struct utsname *utsname;
 114         struct cgroup *cgroup;
 115         struct list networks;
 116 };
 117
 118 /*
 119  * Configure the external resources for the container
 120  */
 121 extern int lxc_configure(const char *name, struct lxc_conf *conf);
 122
 123 /*
 124  * Remove the resources created by the configuration
 125  */
 126 extern int lxc_unconfigure(const char *name);
 127
 128 extern int conf_create_network(const char *name, pid_t pid);
 129
 130 extern int conf_destroy_network(const char *name);
 131
 132 /*
 133  * Configure the container from inside
 134  */
 135 extern int lxc_setup(const char *name);
 136
 137 extern int conf_has(const char *name, const char *info);
 138
 139 #define conf_has_fstab(__name)   conf_has(__name, "fstab")
 140 #define conf_has_utsname(__name) conf_has(__name, "utsname")
 141 #define conf_has_network(__name) conf_has(__name, "network")
 142
 143
 144 #endif