src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <gdbus.h>
  27
  28 #include "connman.h"
  29
  30 struct connman_ipconfig {
  31         gint refcount;
  32         int index;
  33         char *interface;
  34         enum connman_ipconfig_method method;
  35 };
  36
  37 /**
  38  * connman_ipconfig_create:
  39  *
  40  * Allocate a new ipconfig structure.
  41  *
  42  * Returns: a newly-allocated #connman_ipconfig structure
  43  */
  44 struct connman_ipconfig *connman_ipconfig_create(int index)
  45 {
  46         struct connman_ipconfig *ipconfig;
  47
  48         DBG("");
  49
  50         ipconfig = g_try_new0(struct connman_ipconfig, 1);
  51         if (ipconfig == NULL)
  52                 return NULL;
  53
  54         ipconfig->refcount = 1;
  55
  56         ipconfig->index = index;
  57         ipconfig->interface = connman_inet_ifname(index);
  58
  59         DBG("ipconfig %p", ipconfig);
  60
  61         //__connman_rtnl_register_ipconfig(ipconfig);
  62
  63         connman_info("%s {create} index %d", ipconfig->interface,
  64                                                         ipconfig->index);
  65
  66         return ipconfig;
  67 }
  68
  69 /**
  70  * connman_ipconfig_ref:
  71  * @ipconfig: ipconfig structure
  72  *
  73  * Increase reference counter of ipconfig
  74  */
  75 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
  76 {
  77         g_atomic_int_inc(&ipconfig->refcount);
  78
  79         return ipconfig;
  80 }
  81
  82 /**
  83  * connman_ipconfig_unref:
  84  * @ipconfig: ipconfig structure
  85  *
  86  * Decrease reference counter of ipconfig
  87  */
  88 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
  89 {
  90         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
  91                 //__connman_rtnl_unregister_ipconfig(ipconfig);
  92
  93                 connman_info("%s {remove} index %d", ipconfig->interface,
  94                                                         ipconfig->index);
  95
  96                 g_free(ipconfig->interface);
  97                 g_free(ipconfig);
  98         }
  99 }
 100
 101 /**
 102  * connman_ipconfig_set_method:
 103  * @ipconfig: ipconfig structure
 104  * @method: configuration method
 105  *
 106  * Set the configuration method
 107  */
 108 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
 109                                         enum connman_ipconfig_method method)
 110 {
 111         ipconfig->method = method;
 112
 113         return 0;
 114 }
 115
 116 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 117 {
 118         return ipconfig->index;
 119 }
 120
 121 void __connman_ipconfig_update_link(struct connman_ipconfig *ipconfig,
 122                                         unsigned flags, unsigned change)
 123 {
 124         connman_info("%s {update} flags %u change %u", ipconfig->interface,
 125                                                         flags, change);
 126 }
 127
 128 void __connman_ipconfig_add_address(struct connman_ipconfig *ipconfig,
 129                                 const char *label, unsigned char prefixlen,
 130                                 const char *address, const char *broadcast)
 131 {
 132         connman_info("%s {add} address %s/%u label %s", ipconfig->interface,
 133                                                 address, prefixlen, label);
 134 }
 135
 136 void __connman_ipconfig_del_address(struct connman_ipconfig *ipconfig,
 137                                 const char *label, unsigned char prefixlen,
 138                                 const char *address, const char *broadcast)
 139 {
 140         connman_info("%s {del} address %s/%u label %s", ipconfig->interface,
 141                                                 address, prefixlen, label);
 142 }
 143
 144 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
 145 {
 146         switch (method) {
 147         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 148                 break;
 149         case CONNMAN_IPCONFIG_METHOD_OFF:
 150                 return "off";
 151         case CONNMAN_IPCONFIG_METHOD_STATIC:
 152                 return "static";
 153         case CONNMAN_IPCONFIG_METHOD_DHCP:
 154                 return "dhcp";
 155         }
 156
 157         return NULL;
 158 }
 159
 160 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
 161 {
 162         if (g_strcmp0(method, "off") == 0)
 163                 return CONNMAN_IPCONFIG_METHOD_OFF;
 164         else if (g_strcmp0(method, "static") == 0)
 165                 return CONNMAN_IPCONFIG_METHOD_STATIC;
 166         else if (g_strcmp0(method, "dhcp") == 0)
 167                 return CONNMAN_IPCONFIG_METHOD_DHCP;
 168         else
 169                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 170 }
 171
 172 static void append_variant(DBusMessageIter *iter, const char *prefix,
 173                                         const char *key, int type, void *val)
 174 {
 175         char *str;
 176
 177         if (prefix == NULL) {
 178                 connman_dbus_dict_append_variant(iter, key, type, val);
 179                 return;
 180         }
 181
 182         str = g_strdup_printf("%s%s", prefix, key);
 183         if (str != NULL)
 184                 connman_dbus_dict_append_variant(iter, str, type, val);
 185
 186         g_free(str);
 187 }
 188
 189 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 190                                 DBusMessageIter *iter, const char *prefix)
 191 {
 192         const char *str;
 193
 194         str = __connman_ipconfig_method2string(ipconfig->method);
 195         if (str == NULL)
 196                 return;
 197
 198         append_variant(iter, prefix, "Method", DBUS_TYPE_STRING, &str);
 199 }
 200
 201 int __connman_ipconfig_set_ipv4(struct connman_ipconfig *ipconfig,
 202                                 const char *key, DBusMessageIter *value)
 203 {
 204         int type = dbus_message_iter_get_arg_type(value);
 205
 206         DBG("ipconfig %p key %s type %d", ipconfig, key, type);
 207
 208         if (g_strcmp0(key, "Method") == 0) {
 209                 const char *method;
 210
 211                 if (type != DBUS_TYPE_STRING)
 212                         return -EINVAL;
 213
 214                 dbus_message_iter_get_basic(value, &method);
 215
 216                 ipconfig->method = __connman_ipconfig_string2method(method);
 217         } else
 218                 return -EINVAL;
 219
 220         return 0;
 221 }
 222
 223 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
 224                 GKeyFile *keyfile, const char *identifier, const char *prefix)
 225 {
 226         DBG("ipconfig %p identifier %s", ipconfig, identifier);
 227
 228         return 0;
 229 }
 230
 231 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
 232                 GKeyFile *keyfile, const char *identifier, const char *prefix)
 233 {
 234         DBG("ipconfig %p identifier %s", ipconfig, identifier);
 235
 236         return 0;
 237 }
 238
 239 static GSList *driver_list = NULL;
 240
 241 static gint compare_priority(gconstpointer a, gconstpointer b)
 242 {
 243         const struct connman_ipconfig_driver *driver1 = a;
 244         const struct connman_ipconfig_driver *driver2 = b;
 245
 246         return driver2->priority - driver1->priority;
 247 }
 248
 249 /**
 250  * connman_ipconfig_driver_register:
 251  * @driver: IP configuration driver
 252  *
 253  * Register a new IP configuration driver
 254  *
 255  * Returns: %0 on success
 256  */
 257 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 258 {
 259         DBG("driver %p name %s", driver, driver->name);
 260
 261         driver_list = g_slist_insert_sorted(driver_list, driver,
 262                                                         compare_priority);
 263
 264         return 0;
 265 }
 266
 267 /**
 268  * connman_ipconfig_driver_unregister:
 269  * @driver: IP configuration driver
 270  *
 271  * Remove a previously registered IP configuration driver.
 272  */
 273 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 274 {
 275         DBG("driver %p name %s", driver, driver->name);
 276
 277         driver_list = g_slist_remove(driver_list, driver);
 278 }