src/clock.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 enum time_updates {
  31         TIME_UPDATES_UNKNOWN = 0,
  32         TIME_UPDATES_MANUAL  = 1,
  33         TIME_UPDATES_AUTO    = 2,
  34 };
  35
  36 enum timezone_updates {
  37         TIMEZONE_UPDATES_UNKNOWN = 0,
  38         TIMEZONE_UPDATES_MANUAL  = 1,
  39         TIMEZONE_UPDATES_AUTO    = 2,
  40 };
  41
  42 static enum time_updates time_updates_config = TIME_UPDATES_AUTO;
  43 static enum timezone_updates timezone_updates_config = TIMEZONE_UPDATES_AUTO;
  44
  45 static char **timeservers_config = NULL;
  46
  47 static const char *time_updates2string(enum time_updates value)
  48 {
  49         switch (value) {
  50         case TIME_UPDATES_UNKNOWN:
  51                 break;
  52         case TIME_UPDATES_MANUAL:
  53                 return "manual";
  54         case TIME_UPDATES_AUTO:
  55                 return "auto";
  56         }
  57
  58         return NULL;
  59 }
  60
  61 static enum time_updates string2time_updates(const char *value)
  62 {
  63         if (g_strcmp0(value, "manual") == 0)
  64                 return TIME_UPDATES_MANUAL;
  65         else if (g_strcmp0(value, "auto") == 0)
  66                 return TIME_UPDATES_AUTO;
  67
  68         return TIME_UPDATES_UNKNOWN;
  69 }
  70
  71 static const char *timezone_updates2string(enum timezone_updates value)
  72 {
  73         switch (value) {
  74         case TIMEZONE_UPDATES_UNKNOWN:
  75                 break;
  76         case TIMEZONE_UPDATES_MANUAL:
  77                 return "manual";
  78         case TIMEZONE_UPDATES_AUTO:
  79                 return "auto";
  80         }
  81
  82         return NULL;
  83 }
  84
  85 static enum timezone_updates string2timezone_updates(const char *value)
  86 {
  87         if (g_strcmp0(value, "manual") == 0)
  88                 return TIMEZONE_UPDATES_MANUAL;
  89         else if (g_strcmp0(value, "auto") == 0)
  90                 return TIMEZONE_UPDATES_AUTO;
  91
  92         return TIMEZONE_UPDATES_UNKNOWN;
  93 }
  94
  95 static void append_timeservers(DBusMessageIter *iter, void *user_data)
  96 {
  97         int i;
  98
  99         if (timeservers_config == NULL)
 100                 return;
 101
 102         for (i = 0; timeservers_config[i] != NULL; i++) {
 103                 dbus_message_iter_append_basic(iter,
 104                                 DBUS_TYPE_STRING, &timeservers_config[i]);
 105         }
 106 }
 107
 108 static DBusMessage *get_properties(DBusConnection *conn,
 109                                         DBusMessage *msg, void *data)
 110 {
 111         DBusMessage *reply;
 112         DBusMessageIter array, dict;
 113         const char *str;
 114
 115         DBG("conn %p", conn);
 116
 117         reply = dbus_message_new_method_return(msg);
 118         if (reply == NULL)
 119                 return NULL;
 120
 121         dbus_message_iter_init_append(reply, &array);
 122
 123         connman_dbus_dict_open(&array, &dict);
 124
 125         str = time_updates2string(time_updates_config);
 126         if (str != NULL)
 127                 connman_dbus_dict_append_basic(&dict, "TimeUpdates",
 128                                                 DBUS_TYPE_STRING, &str);
 129
 130         str = timezone_updates2string(timezone_updates_config);
 131         if (str != NULL)
 132                 connman_dbus_dict_append_basic(&dict, "TimezoneUpdates",
 133                                                 DBUS_TYPE_STRING, &str);
 134
 135         connman_dbus_dict_append_array(&dict, "Timeservers",
 136                                 DBUS_TYPE_STRING, append_timeservers, NULL);
 137
 138         connman_dbus_dict_close(&array, &dict);
 139
 140         return reply;
 141 }
 142
 143 static DBusMessage *set_property(DBusConnection *conn,
 144                                         DBusMessage *msg, void *data)
 145 {
 146         DBusMessageIter iter, value;
 147         const char *name;
 148         int type;
 149
 150         DBG("conn %p", conn);
 151
 152         if (dbus_message_iter_init(msg, &iter) == FALSE)
 153                 return __connman_error_invalid_arguments(msg);
 154
 155         dbus_message_iter_get_basic(&iter, &name);
 156         dbus_message_iter_next(&iter);
 157         dbus_message_iter_recurse(&iter, &value);
 158
 159         type = dbus_message_iter_get_arg_type(&value);
 160
 161         if (g_str_equal(name, "TimeUpdates") == TRUE) {
 162                 const char *strval;
 163                 enum time_updates newval;
 164
 165                 if (type != DBUS_TYPE_STRING)
 166                         return __connman_error_invalid_arguments(msg);
 167
 168                 dbus_message_iter_get_basic(&value, &strval);
 169                 newval = string2time_updates(strval);
 170
 171                 if (newval == TIME_UPDATES_UNKNOWN)
 172                         return __connman_error_invalid_arguments(msg);
 173
 174                 if (newval == time_updates_config)
 175                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 176
 177                 time_updates_config = newval;
 178
 179                 connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
 180                                 CONNMAN_CLOCK_INTERFACE, "TimeUpdates",
 181                                 DBUS_TYPE_STRING, &strval);
 182         } else if (g_str_equal(name, "TimezoneUpdates") == TRUE) {
 183                 const char *strval;
 184                 enum timezone_updates newval;
 185
 186                 if (type != DBUS_TYPE_STRING)
 187                         return __connman_error_invalid_arguments(msg);
 188
 189                 dbus_message_iter_get_basic(&value, &strval);
 190                 newval = string2timezone_updates(strval);
 191
 192                 if (newval == TIMEZONE_UPDATES_UNKNOWN)
 193                         return __connman_error_invalid_arguments(msg);
 194
 195                 if (newval == timezone_updates_config)
 196                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 197
 198                 timezone_updates_config = newval;
 199
 200                 connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
 201                                 CONNMAN_CLOCK_INTERFACE, "TimezoneUpdates",
 202                                 DBUS_TYPE_STRING, &strval);
 203         } else if (g_str_equal(name, "Timeservers") == TRUE) {
 204                 DBusMessageIter entry;
 205                 GString *str;
 206
 207                 if (type != DBUS_TYPE_ARRAY)
 208                         return __connman_error_invalid_arguments(msg);
 209
 210                 str = g_string_new(NULL);
 211                 if (str == NULL)
 212                         return __connman_error_invalid_arguments(msg);
 213
 214                 dbus_message_iter_recurse(&value, &entry);
 215
 216                 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 217                         const char *val;
 218
 219                         dbus_message_iter_get_basic(&entry, &val);
 220                         dbus_message_iter_next(&entry);
 221
 222                         if (str->len > 0)
 223                                 g_string_append_printf(str, " %s", val);
 224                         else
 225                                 g_string_append(str, val);
 226                 }
 227
 228                 g_strfreev(timeservers_config);
 229
 230                 if (str->len > 0)
 231                         timeservers_config = g_strsplit_set(str->str, " ", 0);
 232                 else
 233                         timeservers_config = NULL;
 234
 235                 g_string_free(str, TRUE);
 236
 237                 connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 238                                 CONNMAN_CLOCK_INTERFACE, "Timeservers",
 239                                 DBUS_TYPE_STRING, append_timeservers, NULL);
 240         } else
 241                 return __connman_error_invalid_property(msg);
 242
 243         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 244 }
 245
 246 static GDBusMethodTable clock_methods[] = {
 247         { "GetProperties", "",   "a{sv}", get_properties },
 248         { "SetProperty",   "sv", "",      set_property   },
 249         { },
 250 };
 251
 252 static GDBusSignalTable clock_signals[] = {
 253         { "PropertyChanged", "sv" },
 254         { },
 255 };
 256
 257 static DBusConnection *connection = NULL;
 258
 259 int __connman_clock_init(void)
 260 {
 261         DBG("");
 262
 263         connection = connman_dbus_get_connection();
 264         if (connection == NULL)
 265                 return -1;
 266
 267         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 268                                                 CONNMAN_CLOCK_INTERFACE,
 269                                                 clock_methods, clock_signals,
 270                                                 NULL, NULL, NULL);
 271
 272         return 0;
 273 }
 274
 275 void __connman_clock_cleanup(void)
 276 {
 277         DBG("");
 278
 279         if (connection == NULL)
 280                 return;
 281
 282         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 283                                                 CONNMAN_CLOCK_INTERFACE);
 284
 285         dbus_connection_unref(connection);
 286
 287         g_strfreev(timeservers_config);
 288 }